AU2021101432A4 - Novel Long-Distance Closed Type Conveyor Tensioning Device - Google Patents
Novel Long-Distance Closed Type Conveyor Tensioning Device Download PDFInfo
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- AU2021101432A4 AU2021101432A4 AU2021101432A AU2021101432A AU2021101432A4 AU 2021101432 A4 AU2021101432 A4 AU 2021101432A4 AU 2021101432 A AU2021101432 A AU 2021101432A AU 2021101432 A AU2021101432 A AU 2021101432A AU 2021101432 A4 AU2021101432 A4 AU 2021101432A4
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- AU
- Australia
- Prior art keywords
- tensioning
- trolley
- sleeve
- movable sleeves
- tail sleeve
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Classifications
-
- 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
- B65G23/44—Belt or chain tensioning arrangements
-
- 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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
- B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
-
- 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
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
-
- 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
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/10—Arrangements of rollers
- B65G39/12—Arrangements of rollers mounted on framework
- B65G39/16—Arrangements of rollers mounted on framework for aligning belts or chains
-
- 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
- B65G45/12—Cleaning devices comprising scrapers
-
- 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
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The present disclosure belongs to the technical field of bulk material conveying,
and particularly relates to a novel long-distance closed type conveyor tensioning
5 device. A fixing sleeve is sequentially connected with movable sleeves and a tail
sleeve in a cup joint mode, at least two movable sleeves are arranged, the two
movable sleeves are connected in the cup joint mode, the tail sleeve is fixedly
connected with a protection cover, the protection cover is fixedly mounted at the
upper end of a tensioning trolley, walking wheels are arranged on the two sides of the
10 tail sleeve and the two sides of the movable sleeve adjacent to the tail sleeve
respectively, the tensioning trolley and the walking wheels are arranged on guide rails,
the guide rails are fixedly mounted on supports, carrier rollers are fixedly mounted at
the upper end of the fixing sleeve, the tensioning trolley is connected with a heavy
hammer barrel through steel wire ropes, the heavy hammer barrel is hung in a steel
15 frame structure through steel wire ropes, and the steel frame structure is arranged on
one side of the supports. A sealing telescopic telescoping trolley tensioning device is
adopted, and different tensioning distance adjusting ranges are achieved. The novel
long-distance closed type conveyor tensioning device is used for bulk material
long-distance conveying.
20
1/2
11
10
13-3
12 4 13 13 13
32 1
14
5-1
5-2 15
63 7
FIG. 1
13-2
r13-1
13-3
13-4
-13-5
FIG. 2
Description
1/2
11 10
12 4 13 13 13 32 1
14
5-1 5-2 15 63 7
13-3 FIG. 1
13-2 r13-1
13-3
13-4
-13-5 FIG. 2
TECHNICAL FIELD The present disclosure belongs to the technical field of bulk material conveying, and particularly relates to a novel long-distance closed type conveyor tensioning device.
BACKGROUND Fine particulate matter (PM2.5) pollution is a worldwide problem, and in recent years, relevant national departments, conveyor manufacturers and researchers pay more attention to the requirements for the environment; when bulk materials are conveyed by environment-friendly belt conveyors and air cushion conveyors, the bulk materials contain a large amount of dust particles, a large amount of dust overflows in the material transporting process, and the air pollution problem caused by high dust concentration becomes more and more serious; a tensioning device is a part of a belt conveyor transfer system, in the transporting process, bulk particles and air interact to generate a large amount of dust, and the size of the dust particles seriously exceeds the environmental particle pollution requirement; and a traditional trolley tensioning device is an open system instead of a closed system, and the tensioning stroke is short.
SUMMARY Aiming at the technical problem that the tensioning device cannot be closed and is short in tensioning stroke, the present disclosure provides a novel long-distance closed type conveyor tensioning device which is high in good in sealing performance, long in stroke and high in efficiency. In order to solve the technical problem, the technical scheme adopted by the present disclosure is as follows: A novel long-distance closed type conveyor tensioning device comprises a fixing sleeve, movable sleeves, a tail sleeve, a protection sleeve, a tensioning trolley, walking wheels, guide rails, supports, carrier rollers, steel wire ropes, a heavy hammer barrel and a steel frame structure, the fixing sleeve is sequentially connected with the movable sleeves and the tail sleeve in a cup joint mode, at least two movable sleeves are arranged, the two movable sleeves are connected in the cup joint mode, the tail sleeve is fixedly connected with a protection cover, the protection cover is fixedly mounted at the upper end of the tensioning trolley, the walking wheels are arranged on the two sides of the tail sleeve and the two sides of the movable sleeve adjacent to the tail sleeve respectively, the tensioning trolley and the walking wheels are arranged on the guide rails, the guide rails are fixedly mounted on the supports, the carrier rollers are fixedly mounted at the upper end of the fixing sleeve, the tensioning trolley is connected with the heavy hammer barrel through the steel wire ropes, the heavy hammer barrel is hung in the steel frame structure through the steel wire ropes, and the steel frame structure is arranged on one side of the supports. Sealing structures are arranged at the cup joint positions of the fixing sleeve and the movable sleeves and the cup joint positions of the movable sleeves and the tail sleeve respectively, each sealing structure comprises a flange, a sealing plate and a pressing plate, and each flange is sequentially and fixedly connected with the corresponding sealing plate and the corresponding pressing plate through a bolt. A sealing strip is arranged at the end part of each sealing plate. The sealing plates adopt industrial rubber, and the pressing plates adopt Q235. The tensioning trolley comprises a trolley type tensioning frame, wheels and a roller, the protection cover is fixedly connected to the upper end of the trolley type tensioning frame, the wheels are arranged at the bottom of the trolley type tensioning frame, the roller is fixedly mounted on the trolley type tensioning frame, the roller comprises a roller shaft, a receiving disc, metal strips, the roller shaft is rotationally connected with the receiving disc, and the metal strips are distributed on the outer side of the receiving disc along the circumferential direction. A sweeper is fixed to the lower end of a side plate of the fixing sleeve, and an electric push rod device is arranged on the sweeper. Compared with the prior art, the novel long-distance closed type conveyor tensioning device has the following beneficial effects: A sealing telescopic telescoping trolley tensioning device is adopted, and different tensioning distance adjusting ranges are achieved; due to the arrangement of the roller structure, the manufacturing cost of a traditional roller is reduced, and the phenomenon that a conveyor belt deviates due to dust compaction caused by material accumulation of bulk material dust between the roller and the conveyor belt is avoided; and a closed space and a sweeping device can effectively prevent dust from flying, and pollution to the surrounding environment and conveyed materials is avoided.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a structural schematic diagram of the present disclosure; FIG. 2 is a structural schematic diagram of a sealing structure in the present disclosure; FIG. 3 is a structural schematic diagram of a roller in the present disclosure; FIG. 4 is a schematic diagram of the maximum position of a tensioning stroke in the present disclosure; and FIG. 5 is a schematic diagram of the minimum position of the tensioning stroke in the present disclosure. Reference signs: 1, fixing sleeve; 2, movable sleeve; 3, tail sleeve; 4, protection cover; 5, tensioning trolley; 6, walking wheel; 7, guide rail; 8, support; 9, carrier roller; 10, steel wire rope; 11, heavy hammer barrel; 12, steel frame structure; 13, sealing structure; 14, sweeper; 15, electric push rod; 5-1, trolley type tensioning frame; 5-2, wheel; 5-3, roller; 5-3-1, roller shaft; 5-3-2, receiving disc; 5-3-3, metal strip; 13-1, flange; 13-2, sealing plate; 13-3, pressing plate; 13-4, bolt; and 13-5, sealing strip.
DETAILED DESCRIPTION The following clearly and completely describes the technical scheme in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are merely a part rather than all of the embodiments of the present disclosure. All other embodiments obtained by those skilled in the art based on the embodiments of the present disclosure without creative efforts shall fall within the protection scope of the present disclosure. A novel long-distance closed type conveyor tensioning device, as shown in FIG. 1, comprises a fixing sleeve 1, movable sleeves 2, a tail sleeve 3, a protection sleeve 4, a tensioning trolley 5, walking wheels 6, guide rails 7, supports 8, carrier rollers 9, steel wire ropes 10, a heavy hammer barrel 11 and a steel frame structure 12, the fixing sleeve 1 is sequentially connected with the movable sleeves 2 and the tail sleeve 3 in a cup joint mode, at least two movable sleeves 2 are arranged, the two movable sleeves 2 are connected in the cup joint mode, the cup joint number of the movable sleeves 2 can be increased according to the tensioning stroke requirement of the trolley, and the long tensioning stroke is achieved. The tail sleeve 3 is fixedly connected with a protection cover 4, the protection cover 4 is fixedly mounted at the upper end of the tensioning trolley 5, the walking wheels 6 are arranged on the two sides of the tail sleeve 3 and the two sides of the movable sleeve 2 adjacent to the tail sleeve 3 respectively, the tensioning trolley 5 and the walking wheels 6 are arranged on the guide rails 7, the guide rails 7 are fixedly mounted on the supports 8, the carrier rollers 9 are fixedly mounted at the upper end of the fixing sleeve 1, a conveyor belt enters the tensioning trolley 5 through the carrier rollers 9, the tensioning trolley 5 is connected with the heavy hammer barrel 11 through the steel wire ropes 10, the heavy hammer barrel 11 is hung in the steel frame structure 12 through the steel wire ropes 10, and the steel frame structure 12 is arranged on one side of the supports 8. Under the action of gravity of the heavy hammer barrel 11, due to the transmissibility of force, at the moment, due to the acting force of the heavy hammer barrel 11 on the tail sleeve 3, the tail sleeve 3 acts on the movable sleeves 2, and the movable sleeves 2 act on the fixing sleeve 1, so that telescopic displacement between the movable sleeves 2 and the tail sleeve 3 is achieved. Further, as shown in FIG. 2, sealing structures 13 are arranged at the cup joint positions of the fixing sleeve 1 and the movable sleeves 2 and the cup joint positions of the movable sleeves 2 and the tail sleeve 3 respectively, each sealing structure 13 comprises a flange 13-1, a sealing plate 13-2 and a pressing plate 13-3, and each flange 13-1 is sequentially and fixedly connected with the corresponding sealing plate 13-2 and the corresponding pressing plate 13-3 through a bolt 13-4. By mounting the flanges 13-1, the sealing plates 13-2 and the pressing plates 13-3, dust overflow of materials conveyed inside is avoided. Further, preferably, a sealing strip 13-5 is arranged at the end part of each sealing plate 13-2, so that the phenomenon of dust overflow when the materials are conveyed inside is prevented more effectively. Further, preferably, the sealing plates 13-2 adopt industrial rubber, and the pressing plates 13-3 adopt Q235. Further, the tensioning trolley 5 comprises a trolley type tensioning frame 5-1, wheels 5-2 and a roller 5-3, the protection cover 4 is fixedly connected to the upper end of the trolley type tensioning frame 5-1, the wheels 5-2 are arranged at the bottom of the trolley type tensioning frame 5-1, the roller 5-3 is fixedly mounted on the trolley type tensioning frame 1, as shown in FIG. 3, the roller 5-3 comprises a roller shaft 5-3-1, a receiving disc 5-3-2, metal strips 5-5-3, the roller shaft 5-3-1 is rotationally connected with the receiving disc 5-3-2, and the metal strips 5-3-3 are distributed on the outer side of the receiving disc 5-3-2 along the circumferential direction. The conveyor belt enters the tensioning trolley 5 through the carrier roller 9 and passes through the roller 5-3, and the structure of the roller 5-3 avoids the phenomenon that dust of bulk materials is accumulated between the roller 5-3 and the conveyor belt so that the conveyor belt deviates. Further, a sweeper 14 is fixed to the lower end of a side plate of the fixing sleeve 1, and an electric push rod device 15 is arranged on the sweeper 14. The width of the sweeper 14 is adjusted through the electric push rod 15, viscous materials bonded to the surface of the conveyor belt are scraped away from the conveyor belt, the materials do not flow out along with the conveyor belt, and the sealing and dust suppression effects are achieved. According to the working process, the tensioning trolley formed by connecting the fixing sleeve 1, the movable sleeves 2 and the tail sleeve 3 in the cup joint mode is mounted on the guide rails 7 of the supports 8, under the action of gravity of the heavy hammer barrel 11, due to the transmissibility of force, at the moment, due to the acting force of the heavy hammer barrel 11 on the tail sleeve 3, the tail sleeve 3 acts on the movable sleeves 2, and the movable sleeves 2 act on the fixing sleeve 1, so that telescopic displacement between the movable sleeves 2 and the tail sleeve 3 is achieved; due to the action of a limiting baffle plate, separation is avoided; the cup joint number of the movable sleeves 2 can be increased according to the tensioning stroke requirement of the trolley, and the long tensioning stroke is achieved; the structural diagram of the maximum position of the tensioning stroke of the trolley is shown in FIG. 4, and the structural diagram of the minimum position of the tensioning stroke is shown in FIG. 5; in the telescopic process of the movable sleeves 2 and the tail sleeve 3, due to the fact that the flanges 13-1, the sealing plates 13-2 and the pressing plates 13-3 are all mounted, dust overflow of materials conveyed in the movable sleeves 2 and the tail sleeve 3 is avoided; the conveyor belt enters the tensioning trolley 5 through the carrier rollers 9 and passes through the roller 5-3, the roller 5-3 structure prevents dust from causing dust accumulation of bulk materials between the roller 5-3 and the conveyor belt and causing deviation of the conveyor belt, and the sweeper 14 adjusts the width of the sweeper 14 through the electric push rod 15 to scrape viscous materials bonded to the surface of the conveyor belt away from the conveyor belt, so that the materials do not flow out along with the conveyor belt, and the sealing and dust suppression effects are achieved. Only the preferred embodiments of the present disclosure have been described in detail above, but the present disclosure is not limited to the embodiments described above, and various changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present disclosure, which are intended to be encompassed within the scope of protection of the present disclosure. Reference numbers and letters appearing between parentheses in the claims, identifying features described in the embodiment(s) and/or example(s) and/or illustrated in the accompanying drawings, are provided as an aid to the reader as an exemplification of the matter claimed. The inclusion of such reference numbers and letters is not to be interpreted as placing any limitations on the scope of the claims. Throughout the specification and claims, unless the context requires otherwise, the word "comprise" or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated integer or group of integers but not the exclusion of any other integer or group of integers.
Claims (5)
1. A novel long-distance closed type conveyor tensioning device, comprising a fixing sleeve (1), movable sleeves (2), a tail sleeve (3), a protection sleeve (4), a tensioning trolley (5), walking wheels (6), guide rails (7), supports (8), carrier rollers (9), steel wire ropes (10), a heavy hammer barrel (11) and a steel frame structure (12), wherein the fixing sleeve (1) is sequentially connected with the movable sleeves (2) and the tail sleeve (3) in a cup joint mode, at least two movable sleeves (2) are arranged, the two movable sleeves (2) are connected in the cup joint mode, the tail sleeve (3) is fixedly connected with a protection cover (4), the protection cover (4) is fixedly mounted at the upper end of the tensioning trolley (5), the walking wheels (6) are arranged on the two sides of the tail sleeve (3) and the two sides of the movable sleeve (2) adjacent to the tail sleeve (3) respectively, the tensioning trolley (5) and the walking wheels (6) are arranged on the guide rails (7), the guide rails (7) are fixedly mounted on the supports (8), the carrier rollers (9) are fixedly mounted at the upper end of the fixing sleeve (1), the tensioning trolley (5) is connected with the heavy hammer barrel (11) through the steel wire ropes (10), the heavy hammer barrel (11) is hung in the steel frame structure (12) through the steel wire ropes (10), and the steel frame structure (12) is arranged on one side of the supports (8).
2. The novel long-distance closed type conveyor tensioning device according to claim 1, wherein sealing structures (13) are arranged at the cup joint positions of the fixing sleeve (1) and the movable sleeves (2) and the cup joint positions of the movable sleeves (2) and the tail sleeve (3) respectively, each sealing structure (13) comprises a flange (13-1), a sealing plate (13-2) and a pressing plate (13-3), and each flange (13-1) is sequentially and fixedly connected with the corresponding sealing plate (13-2) and the corresponding pressing plate (13-3) through a bolt (13-4).
3. The novel long-distance closed type conveyor tensioning device according to claim 2, wherein a sealing strip (13-5) is arranged at the end part of each sealing plate (13-2); wherein the sealing plates (13-2) adopt industrial rubber, and the pressing plates (13-3) adopt Q235.
4. The novel long-distance closed type conveyor tensioning device according to claim 1, wherein the tensioning trolley (5) comprises a trolley type tensioning frame (5-1), wheels (5-2) and a roller (5-3), the protection cover (4) is fixedly connected to the upper end of the trolley type tensioning frame (5-1), the wheels (5-2) are arranged at the bottom of the trolley type tensioning frame (5-1), the roller (5-3) is fixedly mounted on the trolley type tensioning frame (1), the roller (5-3) comprises a roller shaft (5-3-1), a receiving disc (5-3-2), metal strips (5-5-3), the roller shaft (5-3-1) is rotationally connected with the receiving disc (5-3-2), and the metal strips (5-3-3) are distributed on the outer side of the receiving disc (5-3-2) along the circumferential direction.
5. The novel long-distance closed type conveyor tensioning device according to claim 1, wherein a sweeper (14) is fixed to the lower end of a side plate of the fixing sleeve (1), and an electric push rod device (15) is arranged on the sweeper (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236675.1A CN111332705B (en) | 2020-03-30 | 2020-03-30 | Tensioning device of long-distance closed conveyor |
| CN202010236675.1 | 2020-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2021101432A4 true AU2021101432A4 (en) | 2021-05-13 |
Family
ID=71178579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2021101432A Active AU2021101432A4 (en) | 2020-03-30 | 2021-03-19 | Novel Long-Distance Closed Type Conveyor Tensioning Device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111332705B (en) |
| AU (1) | AU2021101432A4 (en) |
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| DE3617794A1 (en) * | 1985-06-15 | 1987-02-05 | Adam Udo Maschinenfabrik | Belt return station for tension belt sleds and storage belt sleds of rubber belt conveyors |
| KR20020053617A (en) * | 2000-12-27 | 2002-07-05 | 이구택 | Pallet protection apparatus of transfort belt |
| RU2209753C1 (en) * | 2002-01-31 | 2003-08-10 | Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (Технический университет) | Belt conveyor |
| JP3893327B2 (en) * | 2002-07-09 | 2007-03-14 | 精研工業株式会社 | Tension adjustment device for transverse feed conveyor |
| JP2004142859A (en) * | 2002-10-23 | 2004-05-20 | Hitachi Metals Ltd | Conveyor |
| CN202807640U (en) * | 2012-08-31 | 2013-03-20 | 沃祖成 | Whole-sealing belt conveyor with adjustable tensity |
| CN202828760U (en) * | 2012-09-14 | 2013-03-27 | 江苏通达机械设备制造有限公司 | Vehicle-type gravity tensioning device |
| CN102887338A (en) * | 2012-09-14 | 2013-01-23 | 江苏通达机械设备制造有限公司 | Vehicle type gravity tension device |
| KR101638503B1 (en) * | 2013-12-23 | 2016-07-11 | 주식회사 에스에프에이 | Transport Apparatus |
| CN204433729U (en) * | 2015-01-27 | 2015-07-01 | 山东山矿机械有限公司 | Sealed-box type broadband conveyer |
| CN205114317U (en) * | 2015-11-11 | 2016-03-30 | 河北鹏宇冶金机械制造有限公司 | Automatic taut belt conveyor of weight car formula |
| CN205397252U (en) * | 2016-03-02 | 2016-07-27 | 上海岚致环保科技有限公司 | Automatic telescopic belt feeder protection casing |
| CN106395295B (en) * | 2016-06-16 | 2019-06-04 | 山西煤矿机械制造股份有限公司 | High angle downward running belt conveyor |
| CN205771554U (en) * | 2016-07-12 | 2016-12-07 | 郑州市嵩阳煤机制造有限公司 | Ribbon conveyer with counterweighted take-up |
| CN207956850U (en) * | 2018-03-09 | 2018-10-12 | 中交机电工程局有限公司 | Slope vehicle type tensioning apparatus based on pulley blocks |
| CN208560632U (en) * | 2018-06-08 | 2019-03-01 | 伯曼机械制造（上海）有限公司 | A kind of vehicle type counterweighted take-up |
| CN208631424U (en) * | 2018-06-22 | 2019-03-22 | 河源市东源鹰牌陶瓷有限公司 | Transportation system |
| CN209834779U (en) * | 2019-01-26 | 2019-12-24 | 上海宝新特种沥青混凝土有限公司 | Stable aggregate conveyer of operation |
| KR20190059875A (en) * | 2019-04-19 | 2019-05-31 | 주식회사터보젠 | Hermetic Conveyor |
-
2020
- 2020-03-30 CN CN202010236675.1A patent/CN111332705B/en active Active
-
2021
- 2021-03-19 AU AU2021101432A patent/AU2021101432A4/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111332705A (en) | 2020-06-26 |
| CN111332705B (en) | 2021-07-27 |
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