CN112722713A - Electric pulley belt conveyor material blocking leather device - Google Patents
Electric pulley belt conveyor material blocking leather device Download PDFInfo
- Publication number
- CN112722713A CN112722713A CN202110177607.7A CN202110177607A CN112722713A CN 112722713 A CN112722713 A CN 112722713A CN 202110177607 A CN202110177607 A CN 202110177607A CN 112722713 A CN112722713 A CN 112722713A
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- CN
- China
- Prior art keywords
- material blocking
- mounting
- matched
- blocking leather
- motor
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 60
- 230000000903 blocking effect Effects 0.000 title claims abstract description 48
- 239000010985 leather Substances 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 239000002390 adhesive tape Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Images
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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/20—Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
- B65G21/2045—Mechanical means for guiding or retaining the load on the load-carrying surface
- B65G21/2063—Mechanical means for guiding or retaining the load on the load-carrying surface comprising elements not movable in the direction of load-transport
- B65G21/2072—Laterial guidance means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- 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
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a material blocking leather device of an electric pulley rubber belt machine, which comprises a base, a material blocking leather body, a cross beam and a mounting plate, wherein balls are movably mounted at the bottom inside the base through mounting rods, the material blocking leather body is placed at the top of each ball, a groove matched with the balls for use is formed in the bottom of the material blocking leather body, a screw rod is fixedly mounted inside the cross beam, a U-shaped limiting block is slidably mounted on the screw rod through a sliding block, steel balls matched for use are arranged at the top of the sliding block, a motor is fixedly mounted on one side of the cross beam through a motor shell, the output end of the motor is rotatably connected with the screw rod through a coupler, the mounting plate is fixedly mounted at the bottom of the cross beam through a fixing pin, and a sponge sealing. According to the invention, through the screw rod, the sliding block, the U-shaped limiting block and the motor, time and labor are saved during the replacement of the material blocking leather, and the practicability of the device is improved.
Description
Technical Field
The invention relates to the technical field of belt conveyor accessories, in particular to a material blocking leather device of an electric pulley belt conveyor.
Background
At present stage sealing-tape machine is using on a large scale at industrial and mining enterprises, and the fender material skin installation of sealing-tape machine is troublesome, hard and all be manual operation, there is mechanical injury's safe risk in the operation, and simple and easy buckle formula keeps off material skin installation device and has the phenomenon that the fender material skin can't be changed under sealing-tape machine running state, cause the increase of the use operating personnel amount of labour of sealing-tape machine, the appearance of the abominable condition of environment of operation scene, the design of slide rail and pulley is adopted to electronic pulley fender material skin installation device in this design now, the change that the material skin was kept off in the operation realization of electric drive steel wire drive pulley on the slide rail, it is safe convenient, need an electronic pulley sealing-tape machine to keep off the material skin device now, but current electronic pulley sealing-tape machine keeps off the material skin device and has many problems:
1. most of the existing baffle leather devices are fixedly installed in a buckling mode, so that workers are inconvenient to disassemble, assemble and replace, the operation burden of the workers is increased, and meanwhile the practicability of the device is reduced;
2. in addition, in the use process of the existing material blocking leather device, the connection part of the bottom is not firm enough, and the loosening and falling are easy to happen.
Disclosure of Invention
The invention aims to provide a material blocking leather device of an electric pulley belt conveyor, which aims to solve the problem of low working efficiency of the material blocking leather device in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an electric pulley rubber belt machine material blocking leather device comprises a base, a material blocking leather body, a cross beam and a mounting plate, the bottom of the inner part of the base is movably provided with a ball through a mounting rod, the top of the ball is provided with a material blocking leather body, and the bottom of the material blocking leather body is provided with a groove matched with the ball for use, the top and the bottom of one side of the material blocking leather body are both provided with a taking groove, the top of the material blocking leather body is fixedly provided with a beam, the inside of the beam is fixedly provided with a screw rod, the screw rod is provided with a U-shaped limiting block in a sliding way through a sliding block, the top of the sliding block is provided with a steel ball which is matched with the sliding block, one side of the beam is fixedly provided with a motor through a motor shell, the output of motor passes through the shaft coupling and is connected with the lead screw rotation, the bottom of crossbeam has the mounting panel through fixed pin fixed mounting, the inside fixed mounting of mounting panel has the sponge to seal up.
Preferably, the base is internally provided with a mounting groove matched with the mounting rod, and the mounting rod is internally provided with a rolling groove matched with the rolling ball.
Preferably, the inside at crossbeam top is equipped with the spacing sliding tray that uses with the steel ball cooperation.
Preferably, the front surface of the motor shell is fixedly provided with a sealing plate, the sealing plate is provided with a heat dissipation hole matched with the sealing plate, and the bottom of the motor shell is fixedly provided with a support frame matched with the cross beam.
Preferably, a fixing groove matched with the fixing pin is formed in the cross beam, and the fixing pin and the mounting plate are fixedly mounted through a mounting block.
Compared with the prior art, the invention has the following innovative effects: this electronic pulley sealing-tape machine keeps off material skin device is rational in infrastructure, has following advantage:
(1) through the matched use among the lead screw, the sliding block, the U-shaped limiting block and the motor, a worker can conveniently replace the material blocking leather body without stopping the machine in the use process of the adhesive tape machine, the worker does not need to manually disassemble the adhesive tape machine, the replacement and the use can be completed only by sliding out the material blocking leather body through the sliding block, the operation burden of the worker is reduced, the repeated sliding operation of the sliding block is facilitated through the steel ball arranged on the sliding block, the service life of the sliding block is effectively prolonged, and the use convenience of the device is improved;
(2) through the matching use between the mounting rod and the balls, the supporting force used by the material blocking leather body can be increased in the use process of the material blocking leather body, the loosening and falling situations in the use process can be avoided, meanwhile, the abrasion of the bottom of the material blocking leather body caused by the friction force generated on the base when the material blocking leather body is replaced in a sliding mode is avoided, the taking groove is formed in the material blocking leather body, the force is fixed by using the working groove and the taking groove when workers replace, the influence on the taking of the workers due to the fact that the surface of the material blocking leather body is smooth and has no stress point is avoided, and the beneficial effect of the use of the device is improved;
(3) through the cooperation use between mounting panel, the sealed pad of sponge and the fixed pin, increased and kept off the leakproofness between material skin body and the crossbeam, avoided the operation in-process, the produced dust of sealing-tape machine escapes from the gap of junction and causes construction environmental pollution's the condition to take place, and the staff of being convenient for dismantles cleanly and uses repeatedly, has improved the practicality of device.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a first partial front cross-sectional view of the present invention;
fig. 4 is a second partial front cross-sectional structure diagram of the present invention.
In the figure: 1. a base; 101. mounting grooves; 102. mounting a rod; 103. a ball bearing; 104. a rolling groove; 2. the material blocking leather body; 201. a groove; 202. taking the groove; 3. a cross beam; 301. a screw rod; 302. a slider; 303. steel balls; 304. a limiting sliding groove; 305. a U-shaped limiting block; 306. a motor housing; 307. an electric motor; 308. a support frame; 4. mounting a plate; 401. a sponge seal pad; 402. and fixing the pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, an embodiment of the present invention is shown: a material blocking leather device of an electric pulley belt conveyor comprises a base 1, a material blocking leather body 2, a cross beam 3 and a mounting plate 4, wherein a ball 103 is movably mounted at the bottom inside the base 1 through a mounting rod 102, and the mounting rod 102 and the ball 103 are matched for use, so that the supporting force of the material blocking leather body 2 can be increased in the use process of the material blocking leather body 2, the loosening and falling conditions can not occur in the reuse process, meanwhile, the abrasion of the bottom of the material blocking leather body 2 caused by the friction force generated on the base 1 when the material blocking leather body 2 is replaced in a sliding mode is avoided, a mounting groove 101 matched with the mounting rod 102 for use is arranged in the base 1, and a rolling groove 104 matched with the ball 103 for use is arranged in the mounting rod 102;
specifically, the material blocking leather body 2 is placed at the top of the ball 103, the bottom of the material blocking leather body 2 is provided with a groove 201 matched with the ball 103 for use, the top and the bottom of one side of the material blocking leather body 2 are both provided with a taking groove 202, and the taking groove 202 arranged on the material blocking leather body 2 is used for facilitating fixing force generation by using the working groove 202 and the taking groove 202 when workers replace the material blocking leather body, so that the problem that the taking of the workers is influenced due to the fact that the surface of the material blocking leather body 2 is smooth and has no stress point is avoided, the beneficial effect of the use of the device is improved, and the top of the material blocking leather body 2 is fixedly provided with a cross beam;
specifically, a screw rod 301 is fixedly installed inside a cross beam 3, a U-shaped limiting block 305 is installed on the screw rod 301 through a sliding block 302 in a sliding mode, a steel ball 303 used in a matched mode is arranged at the top of the sliding block 302, a limiting sliding groove 304 used in a matched mode with the steel ball 303 is arranged inside the top of the cross beam 3, a motor 307 is fixedly installed on one side of the cross beam 3 through a motor shell 306, the model of the motor 307 is YRJ series, a sealing plate is fixedly installed on the front face of the motor shell 306, heat dissipation holes used in a matched mode are formed in the sealing plate, through the matching use of the screw rod 301, the sliding block 302, the U-shaped limiting block 305 and the motor 307, a worker can conveniently replace a material blocking leather body 2 without stopping the machine in the using process of the adhesive tape machine, the worker does not need to manually disassemble the worker, the worker, the steel balls 303 arranged on the sliding block 302 facilitate the repeated sliding operation of the sliding block 302, effectively prolong the service life of the sliding block 302 and improve the use convenience of the device;
specifically, the bottom fixed mounting of motor housing 306 has support frame 308 with crossbeam 3 cooperation use, the output of motor 307 passes through the shaft coupling and is connected with lead screw 301 rotation, fixed pin 402 fixed mounting has mounting panel 4 through fixed pin 402 in the bottom of crossbeam 3, the inside fixed mounting of mounting panel 4 has sponge sealing pad 401, be equipped with the fixed slot that uses with fixed pin 402 cooperation in the crossbeam 3, and through installation piece fixed mounting between fixed pin 402 and the mounting panel 4, use through the cooperation between mounting panel 4 and sponge sealing pad 401 and the fixed pin 402, the leakproofness between fender material skin body 2 and the crossbeam 3 has been increased, the operation in-process has been avoided, the condition that the dust that the sealing-tape machine produced escaped from the gap of junction and causes construction environmental pollution takes place, and be convenient for the staff to dismantle cleanly and use repeatedly, the practicality of device has been improved.
The working principle is as follows: during the use, at first, the recess 201 that is equipped with bottom the fender skin body 2 that will need to change aims at ball 103 on the installation pole 102 and slides in, rethread motor 307 operation drives lead screw 301 rotatory, make U type stopper 305 on the sliding block 302 drive and keep off the slip of skin body 2 to a direction, accomplish the installation and the change of keeping off skin body 2, through the cooperation between mounting panel 4 and the sealed pad 401 of sponge, can increase the leakproofness of keeping off skin body 2 and the 3 contact surfaces of crossbeam, the dust of having avoided the tape unit operation in-process to produce escapes from the gap, cause the pollution to the operational environment, the holistic practicality of device has been improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides an electronic pulley sealing-tape machine keeps off material skin device, includes base (1), keeps off material skin body (2), crossbeam (3) and mounting panel (4), its characterized in that: the bottom of the interior of the base (1) is movably provided with a ball (103) through an installation rod (102), the top of the ball (103) is provided with a material blocking leather body (2), the bottom of the material blocking leather body (2) is provided with a groove (201) matched with the ball (103) for use, the top and the bottom of one side of the material blocking leather body (2) are provided with taking grooves (202), the top of the material blocking leather body (2) is fixedly provided with a beam (3), the interior of the beam (3) is fixedly provided with a screw rod (301), the screw rod (301) is provided with a U-shaped limiting block (305) through a sliding block (302), the top of the sliding block (302) is provided with a steel ball (303) matched for use, one side of the beam (3) is fixedly provided with a motor (307) through a motor shell (306), and the output end of the motor (307) is rotatably connected with the screw rod (301, the bottom of crossbeam (3) has mounting panel (4) through fixed pin (402) fixed mounting, the inside fixed mounting of mounting panel (4) has sponge to seal up (401).
2. The material blocking device of the electric pulley belt conveyor as claimed in claim 1, wherein: the base (1) is internally provided with a mounting groove (101) matched with a mounting rod (102) for use, and the mounting rod (102) is internally provided with a rolling groove (104) matched with a rolling ball (103) for use.
3. The material blocking device of the electric pulley belt conveyor as claimed in claim 1, wherein: and a limiting sliding groove (304) matched with the steel ball (303) for use is formed in the top of the cross beam (3).
4. The material blocking device of the electric pulley belt conveyor as claimed in claim 1, wherein: the front fixed mounting of motor housing (306) has the closing plate, and is equipped with the louvre that the cooperation was used on the closing plate, the bottom fixed mounting of motor housing (306) has support frame (308) with crossbeam (3) cooperation use.
5. The material blocking device of the electric pulley belt conveyor as claimed in claim 1, wherein: a fixing groove matched with the fixing pin (402) is formed in the cross beam (3), and the fixing pin (402) and the mounting plate (4) are fixedly mounted through a mounting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110177607.7A CN112722713A (en) | 2021-02-09 | 2021-02-09 | Electric pulley belt conveyor material blocking leather device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110177607.7A CN112722713A (en) | 2021-02-09 | 2021-02-09 | Electric pulley belt conveyor material blocking leather device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112722713A true CN112722713A (en) | 2021-04-30 |
Family
ID=75597004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110177607.7A Pending CN112722713A (en) | 2021-02-09 | 2021-02-09 | Electric pulley belt conveyor material blocking leather device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112722713A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54110577A (en) * | 1978-02-16 | 1979-08-30 | Martin Eng Co | Stoker plate device for conveyor |
| CN1039391A (en) * | 1988-06-05 | 1990-02-07 | 株式会社洋行 | The rehandling facilities of band conveyor |
| FR2845071A1 (en) * | 2002-10-01 | 2004-04-02 | Olivier Benoit Alexand Lacroix | Tank band transportation device for transporting bulk materials, is displaced on horizontal rollers mounted on pivoting support, with edges of tank band sliding on pivotally mounted sliders |
| CN200978126Y (en) * | 2006-12-07 | 2007-11-21 | 蒋玉龄 | Shield sheet fast change self-locking compacting device for conveyer belt gathering sill |
| CN204489941U (en) * | 2015-02-06 | 2015-07-22 | 河南东大矿业股份有限公司 | A kind of backgauge skin rapid dismounting apparatus |
| KR101700635B1 (en) * | 2016-08-24 | 2017-01-31 | 김호연 | Belt conveyor for loading and unloading of material |
| CN206798533U (en) * | 2017-05-22 | 2017-12-26 | 武汉钢铁有限公司 | Novel waistband dust cover seals skin block fixed system |
| CN107685954A (en) * | 2017-09-28 | 2018-02-13 | 王春江 | Servicing unit based on food processing long-distance transportation |
| CN108609353A (en) * | 2018-04-20 | 2018-10-02 | 石家庄钢铁有限责任公司 | A kind of raw materials for sintering belt conveyor stop gauge |
| CN110216206A (en) * | 2019-05-30 | 2019-09-10 | 黄石华强数控机床有限公司 | A kind of telescopic stock stop of servo |
| CN209740268U (en) * | 2019-01-31 | 2019-12-06 | 日照港股份有限公司第二港务分公司 | Y-shaped guide chute from ship unloader forked funnel to belt conveyor |
| CN110884986A (en) * | 2019-11-30 | 2020-03-17 | 吉林建筑科技学院 | Novel electric control safety door device between building headframe layers |
| CN111719982A (en) * | 2020-06-02 | 2020-09-29 | 南京天普机电产品制造有限公司 | High-speed railway door with prevent pressing from both sides function |
| CN111874524A (en) * | 2020-08-06 | 2020-11-03 | 山东水利职业学院 | Make things convenient for mechanical transmission equipment of dismouting conveyer belt |
| CN211845989U (en) * | 2020-03-05 | 2020-11-03 | 驰宏科技工程股份有限公司 | Simple and efficient belt transportation sealing device |
| CN212291605U (en) * | 2020-05-07 | 2021-01-05 | 陕西秦邦速运物流有限公司 | Stable form belt conveyer for commodity circulation |
-
2021
- 2021-02-09 CN CN202110177607.7A patent/CN112722713A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54110577A (en) * | 1978-02-16 | 1979-08-30 | Martin Eng Co | Stoker plate device for conveyor |
| CN1039391A (en) * | 1988-06-05 | 1990-02-07 | 株式会社洋行 | The rehandling facilities of band conveyor |
| FR2845071A1 (en) * | 2002-10-01 | 2004-04-02 | Olivier Benoit Alexand Lacroix | Tank band transportation device for transporting bulk materials, is displaced on horizontal rollers mounted on pivoting support, with edges of tank band sliding on pivotally mounted sliders |
| CN200978126Y (en) * | 2006-12-07 | 2007-11-21 | 蒋玉龄 | Shield sheet fast change self-locking compacting device for conveyer belt gathering sill |
| CN204489941U (en) * | 2015-02-06 | 2015-07-22 | 河南东大矿业股份有限公司 | A kind of backgauge skin rapid dismounting apparatus |
| KR101700635B1 (en) * | 2016-08-24 | 2017-01-31 | 김호연 | Belt conveyor for loading and unloading of material |
| CN206798533U (en) * | 2017-05-22 | 2017-12-26 | 武汉钢铁有限公司 | Novel waistband dust cover seals skin block fixed system |
| CN107685954A (en) * | 2017-09-28 | 2018-02-13 | 王春江 | Servicing unit based on food processing long-distance transportation |
| CN108609353A (en) * | 2018-04-20 | 2018-10-02 | 石家庄钢铁有限责任公司 | A kind of raw materials for sintering belt conveyor stop gauge |
| CN209740268U (en) * | 2019-01-31 | 2019-12-06 | 日照港股份有限公司第二港务分公司 | Y-shaped guide chute from ship unloader forked funnel to belt conveyor |
| CN110216206A (en) * | 2019-05-30 | 2019-09-10 | 黄石华强数控机床有限公司 | A kind of telescopic stock stop of servo |
| CN110884986A (en) * | 2019-11-30 | 2020-03-17 | 吉林建筑科技学院 | Novel electric control safety door device between building headframe layers |
| CN211845989U (en) * | 2020-03-05 | 2020-11-03 | 驰宏科技工程股份有限公司 | Simple and efficient belt transportation sealing device |
| CN212291605U (en) * | 2020-05-07 | 2021-01-05 | 陕西秦邦速运物流有限公司 | Stable form belt conveyer for commodity circulation |
| CN111719982A (en) * | 2020-06-02 | 2020-09-29 | 南京天普机电产品制造有限公司 | High-speed railway door with prevent pressing from both sides function |
| CN111874524A (en) * | 2020-08-06 | 2020-11-03 | 山东水利职业学院 | Make things convenient for mechanical transmission equipment of dismouting conveyer belt |
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Application publication date: 20210430 |