CN112374019B - Intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device - Google Patents
Intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device Download PDFInfo
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- CN112374019B CN112374019B CN202011255251.6A CN202011255251A CN112374019B CN 112374019 B CN112374019 B CN 112374019B CN 202011255251 A CN202011255251 A CN 202011255251A CN 112374019 B CN112374019 B CN 112374019B
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- chute
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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
- B65G11/00—Chutes
- B65G11/02—Chutes of straight form
- B65G11/026—Chutes of straight form for bulk
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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
- B65G11/00—Chutes
- B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
- B65G11/206—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids for bulk
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Abstract
The invention discloses an intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device, and particularly relates to the field of conveying equipment. Above-mentioned scheme, drive case and reciprocal drive case carry out swing joint through reciprocal bracing piece to sealed chute, and at the in-process that grit aggregate was carried, accessible driving motor's drive realizes sealed chute and wear-resisting conveying mechanism's vibrations and carries, makes less granule grit aggregate pile up in wear-resisting conveying mechanism's surface through equipment vibrations and forms fine and close protective structure, prevents that great aggregate from damaging because of gravity to wear-resisting conveying mechanism's sliding friction, realizes the protection to carrying the chute.
Description
Technical Field
The invention relates to the technical field of conveying equipment, in particular to an intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device.
Background
The sandstone aggregate is a general name of materials such as sand, gravel, broken stone, block stone, material stone and the like in hydraulic engineering. The sandstone aggregate is a main building material of structures such as concrete, piled stone and the like in hydraulic engineering, the existing sandstone aggregate conveying shuttle groove mainly comprises a groove type shuttle groove and a box type shuttle groove, the groove type shuttle groove is small in volume, but the sandstone aggregate is relatively large in abrasion to the shuttle groove during conveying, the steel consumption is large, and particularly when the conveying aggregate is granite with high quartz content, the steel consumption is particularly large, and the noise is also large; although the box-type shuttle groove can reduce the abrasion to the shuttle groove when the sandstone aggregate is conveyed, the box-type shuttle groove has large noise and volume, the correspondingly used material quantity and the occupied space are large, the box-type shuttle groove cannot be used in a place with narrow space, and the corresponding engineering quantity of the use part of the shuttle groove is increased.
The tradition is carried chute mechanism and is mainly adopted belt conveyor structure, carries the material by supreme or arbitrary angle down through the belt, and the phenomenon of landing easily appears in the aggregate in the transportation process of grit aggregate, and the aggregate slides the wearing and tearing to the chute because the high speed that self action of gravity produced, leads to carrying chute internal friction serious, reduces the life who carries the chute.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides an intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device, vibration conveying of a sealing chute and a wear-resistant conveying mechanism is realized through driving of a driving motor, in the conveying process, smaller granular sandstone aggregates are accumulated on the surface of the wear-resistant conveying mechanism through equipment vibration to form a compact protective structure, a certain movement blocking trend is provided for downward sliding movement of the sandstone aggregates by installing a plurality of limiting convex strips on the surface of a conveying belt, and the sliding movement of the sandstone aggregates is further prevented, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme that the intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device comprises a fixed base and a wear-resistant conveying mechanism, wherein a driving box and a lifting support frame are fixedly installed on the top surface of the fixed base, a driving motor is fixedly installed in the driving box, a reciprocating driving box is fixedly installed on the top surface of the driving box, a reciprocating supporting rod is movably installed on the top surface of the reciprocating driving box, a sealing chute is hinged to the top ends of the reciprocating supporting rod and the lifting support frame, the wear-resistant conveying mechanism is located in the sealing chute, and a feeding hopper is fixedly installed on the top surface of one end of the sealing chute;
the output end of the driving motor is fixedly connected with a butting disc positioned in the reciprocating driving box, the bottom end of the reciprocating supporting rod is fixedly connected with a lifting button positioned in the reciprocating driving box, a butting rotating rod is fixedly installed on the inner side of the lifting button, moving wheels are rotatably installed at two ends of the butting rotating rod, the bottom surfaces of the moving wheels are in sliding butting contact with the top surface of the butting disc, the butting discs are obliquely arranged, and the connecting position of the butting disc and the output end of the driving motor is positioned at one end of the bottom surface of the butting disc;
wear-resisting conveying mechanism changes roller, support including power and changes roller, conveying chain and conveyor belt, power changes the roller and supports the both sides of changeing the roller and rotate with the inner wall of sealed chute to be connected, the conveying chain activity is cup jointed in power changes the roller and is supported the outside of changeing the roller, conveyor belt is fixed to be cup jointed in the outside of conveying chain, conveyor belt's fixed surface installs a plurality of spacing sand grips and evenly distributed, power changes the tip of roller and runs through to the outside of sealed chute and the transmission is connected with drive structure.
Preferably, the quantity of lifting support frame is a plurality of, lifting support frame is elasticity telescopic link structure, and is a plurality of lifting support frame is evenly distributed in fixed baseplate's top surface, drive box and reciprocating drive case are located the one end of sealed chute bottom surface.
Preferably, wear-resisting conveying mechanism's one end extends to the outside of sealed chute, sealed chute is closed box structure, the inner wall fixed paste of sealed chute has the noise insulation bed course, the noise insulation bed course is the rubber slab structure.
Preferably, the fixed cover of driving motor's output has connect sealed bearing, sealed bearing joint in the top surface of drive case, the butt joint dish is the circular cone disc structure, the motion wheel be the toper structure, the contact surface of butt joint dish and motion wheel is the case hardening.
Preferably, the butt bull stick is the slope and arranges in the inboard of lift button, reciprocating drive case's top surface is run through to reciprocating support rod's bottom, reciprocating support rod's the outside slides with reciprocating drive case's top surface and cup joints, reciprocating support rod's bottom and lift button's top surface fixed connection.
Preferably, the conveying chain comprises a plurality of transmission chain plates and connecting rods, through holes matched with the connecting rods are formed in the surfaces of the transmission chain plates, the transmission chain plates are sequentially connected end to end through the connecting rods to form an annular structure, a plurality of connecting clamping blocks are fixedly mounted at two ends of the bottom surface of the conveying belt, and the connecting clamping blocks are fixedly mounted on the top surfaces of the transmission chain plates.
Preferably, gears are fixedly sleeved at two ends of the power rotating roller and the supporting rotating roller, two ends of the connecting rod penetrate through the surface of the transmission chain plate and extend, the extending end of the connecting rod is rotatably sleeved with the meshing ring, and the periphery of the gear is meshed with the meshing ring.
Preferably, the outside of spacing sand grip is convex protruding structure, the inboard of spacing sand grip is equipped with arc top groove face, spacing sand grip is the steel material component, the bottom surface of spacing sand grip is equipped with the rivet, the top surface fixed connection of conveyor belt and connection fixture block is run through to the bottom of rivet.
The invention has the technical effects and advantages that:
1. in the scheme, the driving box and the reciprocating driving box are movably connected with the sealing chute through the reciprocating supporting rod, in the process of conveying the sandstone aggregate, the sealing chute and the wear-resistant conveying mechanism can be conveyed in a vibrating manner under the driving of the driving motor, in the process of conveying, the smaller granular sandstone aggregate is accumulated on the surface of the wear-resistant conveying mechanism to form a compact protective structure through the vibration of equipment, so that the sliding friction damage of the larger aggregate to the wear-resistant conveying mechanism due to gravity is prevented, and the protection of the conveying chute is realized;
2. in the above-mentioned scheme, the conveyer belt surface has certain hindrance motion trend to the downstream landing motion of grit aggregate through installing a plurality of spacing sand grips, further prevents the landing motion of grit aggregate, and special conveying chain structure, and the independent dismouting of being convenient for is changed, reduces the maintenance degree of difficulty, improves this conveying chute's life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a wear-resistant conveying mechanism of the present invention;
FIG. 3 is a schematic view of the internal structure of the drive housing and the reciprocating drive housing of the present invention;
FIG. 4 is a schematic view of the reciprocating drive configuration of the present invention;
FIG. 5 is a schematic view of the surface structure of the conveyor belt of the present invention;
FIG. 6 is a schematic view of a partial structure of a conveyor chain according to the present invention;
fig. 7 is a schematic view of a mounting structure of the limiting protrusion of the present invention.
The reference signs are:
1. a fixed base; 2. a drive box; 3. a reciprocating drive box; 4. lifting the support frame; 5. sealing the chute; 6. a wear-resistant conveying mechanism; 7. feeding into a hopper; 21. a drive motor; 31. a butting tray; 32. a lifting button; 33. abutting against the rotating rod; 34. a motion wheel; 51. a reciprocating support rod; 61. a power roller; 62. supporting the roller; 63. a conveyor chain; 64. limiting convex strips; 65. a conveyor belt; 631. a transmission chain plate; 632. a connecting rod; 633. an engaging ring; 651. and connecting the clamping blocks.
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.
The embodiment of the invention provides an intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device as shown in the attached drawings 1-7, which comprises a fixed base 1 and a wear-resistant conveying mechanism 6, wherein a driving box 2 and a lifting support frame 4 are fixedly arranged on the top surface of the fixed base 1, a driving motor 21 is fixedly arranged in the driving box 2, a reciprocating driving box 3 is fixedly arranged on the top surface of the driving box 2, a reciprocating support rod 51 is movably arranged on the top surface of the reciprocating driving box 3, a sealing chute 5 is hinged to the top ends of the reciprocating support rod 51 and the lifting support frame 4, the wear-resistant conveying mechanism 6 is positioned in the sealing chute 5, and a feeding hopper 7 is fixedly arranged on the top surface of one end of the sealing chute 5;
the output end of the driving motor 21 is fixedly connected with a butting disc 31 positioned in the reciprocating driving box 3, the bottom end of the reciprocating supporting rod 51 is fixedly connected with a lifting button 32 positioned in the reciprocating driving box 3, the inner side of the lifting button 32 is fixedly provided with a butting rotating rod 33, two ends of the butting rotating rod 33 are rotatably provided with moving wheels 34, the bottom surfaces of the moving wheels 34 are in sliding butting connection with the top surface of the butting disc 31, the butting disc 31 is obliquely arranged, and the connecting position of the butting disc 31 and the output end of the driving motor 21 is positioned at one end of the bottom surface of the butting disc 31;
wear-resisting conveying mechanism 6 includes that power changes roller 61, support and change roller 62, conveying chain 63 and conveyor belt 65, power changes roller 61 and supports the both sides of changeing roller 62 and the inner wall rotation of sealed chute 5 is connected, the outside that roller 61 and support change roller 62 is changeed in power to the activity of conveyor chain 63 cup joints, conveyor belt 65 is fixed to cup joint in the outside of conveying chain 63, conveyor belt 65's fixed surface installs a plurality of spacing sand grips 64 and evenly distributed, power changes the tip of roller 61 and runs through to the outside of sealed chute 5 and the transmission is connected with drive structure.
Preferably, the quantity of lifting support frame 4 is a plurality of, and lifting support frame 4 is elasticity telescopic link structure, and a plurality of lifting support frame 4 are evenly distributed in the top surface of fixed baseplate 1, and drive box 2 and reciprocating drive case 3 are located the one end of sealed chute 5 bottom surface.
As shown in fig. 1, one end of the wear-resistant conveying mechanism 6 extends to the outside of the sealing chute 5, the sealing chute 5 is of a closed box structure, a sound insulation cushion layer is fixedly adhered to the inner wall of the sealing chute 5, and the sound insulation cushion layer is of a rubber plate structure.
Specifically, utilize the noise insulation bed course of rubber texture to prevent the grit aggregate with the frictional slip of the contact of sealed chute 5 inner wall, prevent to cause the damage to the inner wall of sealed chute 5, and prevent the grit aggregate with the noise of the impact of sealed chute 5 inner wall.
As shown in fig. 3 and 4, the output end of the driving motor 21 is fixedly sleeved with a sealing bearing, the sealing bearing is clamped on the top surface of the driving box 2, the abutting disc 31 is in a conical disc-shaped structure, the moving wheel 34 is in a conical structure, the contact surface of the abutting disc 31 and the moving wheel 34 is subjected to surface hardening treatment, the abutting rotating rod 33 is obliquely arranged on the inner side of the lifting button 32, the bottom end of the reciprocating supporting rod 51 penetrates through the top surface of the reciprocating driving box 3, the outer side of the reciprocating supporting rod 51 is in sliding sleeve connection with the top surface of the reciprocating driving box 3, and the bottom end of the reciprocating supporting rod 51 is fixedly connected with the top surface of the lifting button 32.
Specifically, the rotational mechanical energy of the driving motor 21 is converted into the vertical mechanical energy of the elevating knob 32 and the reciprocating support rod 51 by the rotational movement of the inclined abutting plate 31 and the abutting of the moving wheel 34.
As shown in fig. 2 and 6, the conveying chain 63 includes a plurality of transmission chain plates 631 and a connecting rod 632, a through hole matched with the connecting rod 632 is provided on the surface of the transmission chain plate 631, the transmission chain plates 631 are sequentially connected end to end through the connecting rod 632 to form an annular structure, a plurality of connecting fixture blocks 651 are fixedly installed at two ends of the bottom surface of the conveying belt 65, and the connecting fixture blocks 651 are fixedly installed on the top surface of the transmission chain plate 631.
Specifically, a plurality of independent transmission chain plates 631 are used for alternation and are connected to form an annular conveying structure, so that the conveying chain 63 is replaced and maintained by a single component, and the maintenance efficiency is improved.
As shown in fig. 2, gears are fixedly sleeved at both ends of the power roller 61 and the support roller 62, both ends of the connecting rod 632 penetrate through the surface of the transmission chain plate 631 and extend, the extending end of the connecting rod 632 is rotatably sleeved with the meshing ring 633, and the periphery of the gear is meshed with the meshing ring 633.
Specifically, the driving movement of the power roller 61 utilizes the mutual engagement of the gear and the meshing ring 633 to realize the transmission movement of the conveying chain 63, so as to feed materials.
As shown in fig. 5 and 7, the outer side of the limit protruding strip 64 is in a circular arc protrusion structure, the inner side of the limit protruding strip 64 is provided with an arc top groove surface, the limit protruding strip 64 is a steel member, the bottom surface of the limit protruding strip 64 is provided with a rivet, and the bottom end of the rivet penetrates through the conveying belt 65 and is fixedly connected with the top surface of the connecting block 651.
Specifically, the downward sliding motion of the gravel aggregate is blocked by installing the plurality of limiting convex strips 64, so that the sliding motion of the gravel aggregate is further prevented.
The working process of the invention is as follows:
in the scheme, the driving box 2 and the reciprocating driving box 3 are movably connected with the sealing chute 5 through the reciprocating supporting rod 51, the driving motor 21 drives the abutting disc 31 to rotate, the abutting disc 31 slides against the moving wheel 34, the rotating mechanical energy of the driving motor 21 is converted into the up-and-down movement mechanical energy of the lifting button 32 and the reciprocating supporting rod 51, the vibration frequency of the reciprocating supporting rod 51 and the sealing chute 5 can be intelligently regulated and controlled by changing the rotating speed of the driving motor 21, the vibration frequency is regulated and controlled according to the crushed aggregate proportion of the sand aggregate, in the process of conveying the sand aggregate, the vibration conveying of the sealing chute 5 and the wear-resistant conveying mechanism 6 is realized through the driving of the driving motor 21, in the conveying process, small granular sand aggregate is accumulated on the surface of the wear-resistant conveying mechanism 6 through the vibration of the equipment to form a compact protective structure, and the sliding friction damage of the large aggregate to the wear-resistant conveying mechanism 6 due to gravity is prevented, the protection of the conveying chute is realized;
in the above-mentioned scheme, conveyor belt 65 surface has certain hindrance motion trend to the downstream landing motion of grit aggregate through a plurality of spacing sand grips 64 of installation, further prevents the landing motion of grit aggregate, and special conveying chain 63 structure, and the independent dismouting of being convenient for is changed, reduces the maintenance degree of difficulty, improves the life of this transport chute.
Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the invention can be combined with each other;
finally, the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like which are within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device comprises a fixed base and a wear-resistant conveying mechanism, wherein a driving box and a lifting support frame are fixedly mounted on the top surface of the fixed base, and the intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device is characterized in that a driving motor (21) is fixedly mounted inside the driving box, a reciprocating driving box is fixedly mounted on the top surface of the driving box, a reciprocating supporting rod (51) is movably mounted on the top surface of the reciprocating driving box, a sealing chute is hinged to the top ends of the reciprocating supporting rod (51) and the lifting support frame, the wear-resistant conveying mechanism is located inside the sealing chute, and a feeding hopper is fixedly mounted on the top surface of one end of the sealing chute;
the output end of the driving motor (21) is fixedly connected with a butting disc (31) positioned in a reciprocating driving box, the bottom end of the reciprocating supporting rod (51) is fixedly connected with a lifting button (32) positioned in the reciprocating driving box, a butting rotating rod (33) is fixedly installed on the inner side of the lifting button (32), two ends of the butting rotating rod (33) are rotatably installed with moving wheels (34), the bottom surface of each moving wheel (34) is in sliding butting connection with the top surface of the butting disc (31), the butting discs (31) are obliquely arranged, and the connection position of the butting discs (31) and the output end of the driving motor (21) is positioned at one end of the bottom surface of the butting disc (31);
wear-resisting conveying mechanism changes roller (61), support including power and changes roller (62), conveying chain (63) and conveyor belt (65), roller (61) is changeed with the support to power and the both sides of changeing roller (62) are rotated with sealed chute's inner wall and is connected, the outside that roller (62) was changeed in power and support is changeed in the activity of conveying chain (63), conveyor belt (65) are fixed to be cup jointed in the outside of conveying chain (63), the fixed surface of conveyor belt (65) installs a plurality of spacing sand grips (64) and evenly distributed, the tip that roller (61) was changeed to power runs through to sealed chute's the outside and the transmission is connected with the drive structure.
2. The intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device as claimed in claim 1, wherein the number of the lifting support frames is several, the lifting support frames are of elastic telescopic rod structures, the several lifting support frames are uniformly distributed on the top surface of the fixed base, and the driving box and the reciprocating driving box are positioned at one end of the bottom surface of the sealed chute.
3. The intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device according to claim 1, wherein one end of the wear-resistant conveying mechanism extends to the outer side of the sealed chute, the sealed chute is of a closed box structure, a sound-insulating cushion layer is fixedly adhered to the inner wall of the sealed chute, and the sound-insulating cushion layer is of a rubber plate structure.
4. The intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device as claimed in claim 1, wherein a sealing bearing is fixedly sleeved at the output end of the driving motor (21), the sealing bearing is clamped on the top surface of the driving box, the abutting disc (31) is in a conical disc-shaped structure, the moving wheel (34) is in a conical structure, and the contact surface of the abutting disc (31) and the moving wheel (34) is subjected to surface hardening treatment.
5. The intelligent wear-resisting quality-guaranteeing sandstone aggregate closed conveying chute device according to claim 1, wherein the abutting rotating rod (33) is obliquely arranged on the inner side of the lifting button (32), the bottom end of the reciprocating support rod (51) penetrates through the top surface of the reciprocating drive box, the outer side of the reciprocating support rod (51) is slidably sleeved with the top surface of the reciprocating drive box, and the bottom end of the reciprocating support rod (51) is fixedly connected with the top surface of the lifting button (32).
6. The intelligent wear-resisting quality-guaranteeing sandstone aggregate closed conveying chute device according to claim 1, wherein the conveying chain (63) comprises a plurality of transmission chain plates (631) and a connecting rod (632), through holes matched with the connecting rod (632) are formed in the surface of each transmission chain plate (631), the transmission chain plates (631) are sequentially connected end to end through the connecting rod (632) to form an annular structure, a plurality of connecting fixture blocks (651) are fixedly installed at two ends of the bottom surface of the conveying belt (65), and the connecting fixture blocks (651) are fixedly installed on the top surface of each transmission chain plate (631).
7. The intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device according to claim 6, wherein gears are fixedly sleeved at two ends of the power rotating roller (61) and the supporting rotating roller (62), two ends of the connecting rod (632) penetrate through the surface of the transmission chain plate (631) and extend, the extending end of the connecting rod (632) is rotatably sleeved with a meshing ring (633), and the periphery of each gear is meshed with the meshing ring (633).
8. The intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device according to claim 1, wherein the outer side of the limiting convex strip (64) is of a circular arc-shaped convex structure, the inner side of the limiting convex strip (64) is provided with an arc top groove surface, the limiting convex strip (64) is a steel component, the bottom surface of the limiting convex strip (64) is provided with a rivet, and the bottom end of the rivet penetrates through the conveying belt (65) and is fixedly connected with the top surface of the connecting clamping block (651).
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| CN202011255251.6A CN112374019B (en) | 2020-11-11 | 2020-11-11 | Intelligent wear-resistant quality-guaranteeing sandstone aggregate closed conveying chute device |
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| CN105668149A (en) * | 2016-02-25 | 2016-06-15 | 黎钊彬 | Material vibrating device with guiding and buffering functions |
| CN105905528A (en) * | 2016-05-21 | 2016-08-31 | 浙江科佳机械有限公司 | Conveyor for thread rolling machine |
| CN207704319U (en) * | 2017-06-28 | 2018-08-07 | 新昌县雅智电子科技有限公司 | A kind of computer display device with height and angle adjustable function |
| CN107265093A (en) * | 2017-07-26 | 2017-10-20 | 焦作科瑞森重装股份有限公司 | Earth's surface batcher |
| CN107902330A (en) * | 2017-10-10 | 2018-04-13 | 成都君华睿道科技有限公司 | A kind of automatic lifting device of anti-tamper |
| CN108421578A (en) * | 2018-04-13 | 2018-08-21 | 韩银兰 | A kind of chemical experiment with height adjusting function test tube supporting rack |
| CN108569517A (en) * | 2018-04-18 | 2018-09-25 | 深圳市安思科电子科技有限公司 | A kind of uniform autoloader of feeding with drying function |
| CN109230375A (en) * | 2018-07-20 | 2019-01-18 | 夏天 | Automate charging device |
| CN109335502A (en) * | 2018-11-08 | 2019-02-15 | 盐城神瑞胶带有限公司 | It is a kind of to wash bright and beautiful canvas apron with angle regulating function |
| CN109335522A (en) * | 2018-11-15 | 2019-02-15 | 刘贵学 | A kind of biomass power generation feed device |
| CN210001005U (en) * | 2019-04-11 | 2020-01-31 | 四川森海润环境管理有限公司 | Chain plate conveying device for sorting household garbage |
| CN211392753U (en) * | 2019-05-08 | 2020-09-01 | 大连成金特钢制品有限公司 | Finished product collection device that rod peeler was used |
| CN211309947U (en) * | 2019-12-28 | 2020-08-21 | 颜少娜 | Mining conveyer |
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Denomination of invention: An intelligent wear-resistant and high-quality closed conveying chute device for sand and gravel aggregates Effective date of registration: 20230629 Granted publication date: 20220114 Pledgee: China Everbright Bank Co.,Ltd. Changsha Renmin Road sub branch Pledgor: HUNAN CEBO TRAFFIC ENGINEERING CO.,LTD. Registration number: Y2023980046638 |