CN110203624A - A kind of process units of modified high attachment continuous casting production dry materials - Google Patents

A kind of process units of modified high attachment continuous casting production dry materials Download PDF

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Publication number
CN110203624A
CN110203624A CN201910360173.7A CN201910360173A CN110203624A CN 110203624 A CN110203624 A CN 110203624A CN 201910360173 A CN201910360173 A CN 201910360173A CN 110203624 A CN110203624 A CN 110203624A
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CN
China
Prior art keywords
wall
belt
support plate
idler wheel
fixedly connected
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.)
Granted
Application number
CN201910360173.7A
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Chinese (zh)
Other versions
CN110203624B (en
Inventor
江群英
朱振华
施永益
张新财
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Panxi Metallurgical Material Co Ltd
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Zhejiang Panxi Metallurgical Material Co Ltd
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Priority to CN201910360173.7A priority Critical patent/CN110203624B/en
Publication of CN110203624A publication Critical patent/CN110203624A/en
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Publication of CN110203624B publication Critical patent/CN110203624B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/02Belt- or chain-engaging elements
    • B65G23/04Drums, rollers, or wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/24Gearing between driving motor and belt- or chain-engaging elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G41/00Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Framework For Endless Conveyors (AREA)

Abstract

The invention discloses a kind of process units of modified high attachment continuous casting production dry materials, including conveyer belt and adjust main body, the back end activity of the conveyer belt is equipped with the first support plate, the front end of the conveyer belt is movably installed with the second support plate, the rear end for adjusting main body is fixedly connected on the front lower ends of the first support plate, the front end for adjusting main body is fixedly connected on the rear portion lower end of the second support plate, the conveyer belt includes belt roller, support frame, belt, first idler wheel, elastic force feed belt and the second idler wheel, the front and rear end of the belt roller is rotatably installed in the inner wall upper end of support frame, the upper inside wall of the belt rolls the external wall of upper portion center for being socketed in elastic force feed belt, lower part outer wall of the lower inner wall rolling support of the belt in belt roller.The present invention can adjust material transmission efficiency, while can be avoided material and being revealed by side, better meet and use needs.

Description

A kind of process units of modified high attachment continuous casting production dry materials
Technical field
The present invention relates to the production equipment technology of continuous casting production dry materials, specially a kind of modified high attachment connects Cast the process units of tundish dry materials.
Background technique
Continuous casting is the abbreviation of continuous casting steel machine, steel plant produce all kinds of steel products during, using molten steel solidification at There are two types of methods for type: traditional die casting and Continuous Casting Under.And the company occurred in American-European countries in nineteen fifties Casting technology is an advanced technology the direct castable of molten steel.It is compared with the traditional method, continuous casting technology, which has, to be greatly improved Recovery rate of iron and slab quality, energy saving equal significant advantages,
Conveyer belt is one of essential device in dry materials production process, since dry materials are in powdery, using common Conveyer belt be easy from side reveal, the sinking degree of the conveyer belt of a small number of depression in centre is limited, therefore single freight volume is limited, institute To be unable to satisfy high efficiency transmission work, so being badly in need of wanting a kind of device for being able to solve the above problem.
Summary of the invention
The purpose of the present invention is to provide a kind of process units of modified high attachment continuous casting production dry materials, to solve The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of modified high attachment continuous casting production dry type The process units of material, including conveyer belt and adjusting main body, the back end activity of the conveyer belt are equipped with the first support plate, the biography The front end of band is sent to be movably installed with the second support plate, the rear end for adjusting main body is fixedly connected under the front of the first support plate End, the front end for adjusting main body are fixedly connected on the rear portion lower end of the second support plate;The conveyer belt includes belt roller, branch Support, belt, the first idler wheel, elastic force feed belt and the second idler wheel, the front and rear end of the belt roller are rotatably installed in The inner wall upper end of support frame, the upper inside wall of the belt rolls the external wall of upper portion center for being socketed in elastic force feed belt, described For the lower inner wall rolling support of belt in the lower part outer wall of belt roller, elastic force feed belt rolling is socketed in the first idler wheel With the outer wall of the second idler wheel, first idler wheel and the second idler wheel are rotatably installed in the first support plate and adjust the top of main body Inner wall, support frame as described above are fixedly connected on the upper end for adjusting main body;The adjusting main body includes knob, first support bar, second Support rod and threaded rod, the knob thread are mounted on the middle part outer wall of threaded rod, and the middle part inner wall of the first support bar is sliding The dynamic external wall of upper portion for being socketed in threaded rod, the middle part inner wall of the second support bar are slidably socketed the lower part outer wall in threaded rod, The front and rear end of the first support bar and second support bar is fixedly connected in the lower part of the first support plate and adjusting main body Wall.
Preferably, the lower inner wall of second support plate is fixedly connected with first connecting rod, first support plate Lower inner wall is fixedly connected with the second connecting rod, and the rear end for adjusting main body is fixedly connected in the front end face of the second connecting rod The heart, the front end for adjusting main body are fixedly connected on the rear end face center of first connecting rod.
Preferably, the side interior wall of second support plate is fixedly installed with motor, and the front end of the motor is fixed It is connected with protective shell, the upper rear end of the protective shell is fixedly connected with the second support plate.
Preferably, the conveyer belt further includes the first roller wheel shaft and the second roller wheel shaft, first roller wheel shaft pair Claim the front and rear end for being fixedly connected on belt roller, the belt roller is rotatably installed in by the first roller wheel shaft and bearing The upper inside wall of support frame, first idler wheel and the second idler wheel are rotatably installed in first by the second roller wheel shaft and bearing The upper inside wall of fagging and the second support plate.
Preferably, the adjusting main body further includes sliding slot, hand handle peace sliding cutting face, and the sliding slot hollow out is provided with first The upper surface center of strut and second support bar, the threaded rod are slidably mounted on first support bar and the second support by sliding slot The inner wall of bar, the hand handle are uniformly fixedly connected on the outer wall of knob, and the smooth section is symmetrically provided with the front end of threaded rod With rear end.
Preferably, the motor is rotatably installed in the front end of the first idler wheel by external pulley blocks, and the first idler wheel is logical It crosses the second roller wheel shaft to be fixedly mounted through the second support plate and pulley blocks, working power and the external power supply electricity of the motor Property connection.
Compared with prior art, beneficial effects of the present invention are as follows:
Rotation energy is converted electrical energy by motor using external power supply, passes through external pulley blocks and the second idler wheel is driven to turn Axis rotation, the second roller wheel shaft are fixedly connected with the first idler wheel, and the second roller wheel shaft passes through bearing and the first support plate and adjusting Body rotation installation is rotated by the second roller wheel shaft and drives the rotation of the first idler wheel, rotated by the first idler wheel and elastic force is driven to pass It send belt to rotate, is rotated by elastic force feed belt and drive the rotation of the second idler wheel, while belt being driven to rotate, rotated by belt Belt roller rotation is driven, so that the upper end of belt and elastic force feed belt is able to carry out conventional transmission work, benefit benefit elastic force To lower recess in the middle part of feed belt, prevents material from being revealed or being detached from by side, improve the stability for transporting material;Either manually or by Hand handle screws knob, drives threaded rod to move up by knob, is moved up by threaded rod and drive support frame upward It is mobile, subtract loose belt to the pulling force of elastic force feed belt, so that the negative area of the Upper Upper of elastic force feed belt passes through bullet Power is restored upwards, similarly changes the amplitude that support frame moves up by threaded rod, changes what elastic force feed belt restored upwards Amplitude similarly reversely screws knob, improves the sinking degree of elastic force feed belt, the drawing for needing belt downward due to recess amplitude Power, therefore more big then the first idler wheel of pulling force, adjusting main body, the rotary resistance of the second idler wheel raw material that is bigger, but can be transmitted It is more, the sinking degree of elastic force feed belt is similarly adjusted by adjusting main body, coordinates the relationship between transport and energy conservation, is improved The flexibility ratio of conveyer belt operating.
Detailed description of the invention
Fig. 1 is agent structure schematic diagram of the invention;
Fig. 2 is conveyer structure schematic diagram of the invention;
Fig. 3 is adjusting agent structure schematic diagram of the invention.
In figure: 1, the first support plate;2, conveyer belt;3, the second support plate;4, first connecting rod;5, main body is adjusted;6, it protects Protective case;7, motor;8, the second connecting rod;9, belt roller;10, the first roller wheel shaft;11, support frame;12, the second idler wheel turns Axis;13, belt;14, the first idler wheel;15, elastic force feed belt;16, the second idler wheel;17, knob;18, first support bar;19, Sliding slot;20, hand handle;21, second support bar;22, smooth section;23, threaded rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
Fig. 1-3 is please referred to, a kind of embodiment provided by the invention: a kind of modified high attachment continuous casting production dry materials Process units, including conveyer belt 2 and adjusting main body 5, the back end activity of conveyer belt 2 are equipped with the first support plate 1, conveyer belt 2 Front end is movably installed with the second support plate 3, and the rear end for adjusting main body 5 is fixedly connected on the front lower ends of the first support plate 1, adjusts The front end of main body 5 is fixedly connected on the rear portion lower end of the second support plate 3;Conveyer belt 2 includes belt roller 9, support frame 11, belt 13, the first idler wheel 14, elastic force feed belt 15 and the second idler wheel 16, the front and rear end of belt roller 9 are rotatably installed in support The inner wall upper end of frame 11, the upper inside wall of belt 13 roll the external wall of upper portion center for being socketed in elastic force feed belt 15, belt 13 Lower inner wall rolling support belt roller 9 lower part outer wall, elastic force feed belt 15 rolling be socketed in 14 He of the first idler wheel The outer wall of second idler wheel 16, the first idler wheel 14 and the second idler wheel 16 are rotatably installed in the first support plate 1 and adjust the upper of main body 5 Portion's inner wall, support frame 11 are fixedly connected on the upper end for adjusting main body 5;Adjusting main body 5 includes knob 17, first support bar 18, the Two support rods 21 and threaded rod 23, knob 17 are threadably mounted at the middle part outer wall of threaded rod 23, in the middle part of first support bar 18 Wall is slidably socketed the external wall of upper portion in threaded rod 23, and the middle part inner wall of second support bar 21 is slidably socketed in the lower part of threaded rod 23 The front and rear end of outer wall, first support bar 18 and second support bar 21 is fixedly connected on the first support plate 1 and adjusts main body 5 Lower inner wall converts electrical energy into rotation energy by motor 7 using external power supply, passes through external pulley blocks and drive the second idler wheel Shaft 12 rotates, and the second roller wheel shaft 12 is fixedly connected with the first idler wheel 14, and the second roller wheel shaft 12 passes through bearing and first Fagging 1 and adjusting main body 5 are rotatablely installed, and are rotated by the second roller wheel shaft 12 and are driven the rotation of the first idler wheel 14, are passed through first and are rolled 14 rotation of wheel drives elastic force feed belt 15 to rotate, and is rotated by elastic force feed belt 15 and drives the rotation of the second idler wheel 16, simultaneously It drives belt 13 to rotate, is rotated by belt 13 and belt roller 9 is driven to rotate, so that belt 13 and elastic force feed belt 15 is upper End is able to carry out conventional transmission work, 15 middle part of benefit benefit elastic force feed belt to lower recess, prevent material by side leakage or It is detached from, improves the stability for transporting material;Knob 17 is screwed either manually or by hand handle 20, is rotated by knob 17 and drives screw thread Bar 23 moves up, and is moved up by threaded rod 23 and support frame 11 is driven to move up, and subtracts loose belt 13 and transmits skin to elastic force Similarly pass through spiral shell so that the negative area of the Upper Upper of elastic force feed belt 15 is restored upwards by elastic force with 15 pulling force Rasp bar 23 changes the amplitude that support frame 11 moves up, and changes the amplitude that elastic force feed belt 15 restores upwards, similarly reversed rotation Knob 17 is twisted, the sinking degree of elastic force feed belt 15 is improved, due to the pulling force that recess amplitude needs belt 13 downward, therefore pulling force More big then the first idler wheel 14, to adjust main body 5, the rotary resistance of the second idler wheel 16 bigger, but the raw material that can be transmitted is more, The sinking degree of elastic force feed belt 15 is similarly adjusted by adjusting main body 5, is coordinated the relationship between transport and energy conservation, is improved The flexibility ratio that conveyer belt 2 operates.
The lower inner wall of second support plate 3 is fixedly connected with first connecting rod 4, and the lower inner wall of the first support plate 1 is fixed It is connected with the second connecting rod 8, the rear end for adjusting main body 5 is fixedly connected on the front end face center of the second connecting rod 8, adjusts main body 5 Front end be fixedly connected on the rear end face center of first connecting rod 4, the side interior wall of the second support plate 3 is fixedly installed with motor 7, the front end of motor 7 is fixedly connected with protective shell 6, and the upper rear end of protective shell 6 is fixedly connected with the second support plate 3, transmission Band 2 further includes the first roller wheel shaft 10 and the second roller wheel shaft 12, and the first roller wheel shaft 10 is symmetrically fixedly connected on belt roller 9 Front and rear end, belt roller 9 is rotatably installed in the upper inside wall of support frame 11 by the first roller wheel shaft 10 and bearing, First idler wheel 14 and the second idler wheel 16 are rotatably installed in the first support plate 1 and second by the second roller wheel shaft 12 and bearing and support The upper inside wall of plate 3, adjusting main body 5 further includes sliding slot 19, the peaceful sliding cutting of hand handle 20 face 22, and 19 hollow out of sliding slot is provided with first The upper surface center of strut 18 and second support bar 21, threaded rod 23 are slidably mounted on 18 He of first support bar by sliding slot 19 The inner wall of second support bar 21, hand handle 20 are uniformly fixedly connected on the outer wall of knob 17, and smooth section 22 is symmetrically provided with screw thread The front and rear end of bar 23, motor 7 are rotatably installed in the front end of the first idler wheel 14, and the first idler wheel by external pulley blocks 14 are fixedly mounted through the second support plate 3 with pulley blocks by the second roller wheel shaft 12, the working power of motor 7 and external electricity Source is electrically connected.
Working principle: rotation energy is converted electrical energy by motor 7 using external power supply, is driven by external pulley blocks The rotation of second roller wheel shaft 12, the second roller wheel shaft 12 are fixedly connected with the first idler wheel 14, and the second roller wheel shaft 12 passes through bearing It is rotatablely installed with the first support plate 1 and adjusting main body 5, is rotated by the second roller wheel shaft 12 and drive the rotation of the first idler wheel 14, it is logical Crossing the rotation of the first idler wheel 14 drives elastic force feed belt 15 to rotate, and is rotated by elastic force feed belt 15 and drives 16 turns of the second idler wheel It is dynamic, while belt 13 being driven to rotate, it is rotated by belt 13 and belt roller 9 is driven to rotate, so that belt 13 and elastic force transmit skin Upper end with 15 is able to carry out conventional transmission work, and 15 middle part of benefit benefit elastic force feed belt prevents material by side to lower recess Portion's leakage is detached from, and improves the stability for transporting material;Knob 17 is screwed either manually or by hand handle 20, is rotated by knob 17 It drives threaded rod 23 to move up, is moved up by threaded rod 23 and support frame 11 is driven to move up, subtract 13 pairs of bullets of loose belt The pulling force of power feed belt 15, so that the negative area of the Upper Upper of elastic force feed belt 15 is restored upwards by elastic force, together Reason changes the amplitude that support frame 11 moves up by threaded rod 23, changes the amplitude that elastic force feed belt 15 restores upwards, together Reason reversely screws knob 17, improves the sinking degree of elastic force feed belt 15, the drawing for needing belt 13 downward due to recess amplitude Power, therefore more big then the first idler wheel 14 of pulling force, adjust that main body 5, the rotary resistance of the second idler wheel 16 are bigger, but can be transmitted Raw material is more, and the sinking degree of elastic force feed belt 15 is similarly adjusted by adjusting main body 5, coordinates the pass between transport and energy conservation System improves the flexibility ratio of the operating of conveyer belt 2.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of process units of modified high attachment continuous casting production dry materials, including conveyer belt (2) and adjusting main body (5), It is characterized by: the back end activity of the conveyer belt (2) is equipped with the first support plate (1), the front end activity of the conveyer belt (2) It is equipped with the second support plate (3), the rear end for adjusting main body (5) is fixedly connected on the front lower ends of the first support plate (1), institute The front end for stating adjusting main body (5) is fixedly connected on the rear portion lower end of the second support plate (3);
The conveyer belt (2) includes belt roller (9), support frame (11), belt (13), the first idler wheel (14), elastic force transmission skin Band (15) and the second idler wheel (16), the front and rear end of the belt roller (9) is rotatably installed on the inner wall of support frame (11) End, the upper inside wall of the belt (13) roll the external wall of upper portion center for being socketed in elastic force feed belt (15), the belt (13) in the lower part outer wall of belt roller (9), the elastic force feed belt (15) rolls and is socketed in lower inner wall rolling support The outer wall of first idler wheel (14) and the second idler wheel (16), first idler wheel (14) and the second idler wheel (16) are rotatably installed in One support plate (1) and the upper inside wall for adjusting main body (5), support frame as described above (11) are fixedly connected on the upper end for adjusting main body (5);
The adjusting main body (5) includes knob (17), first support bar (18), second support bar (21) and threaded rod (23), institute The middle part outer wall that knob (17) is threadably mounted at threaded rod (23) is stated, the middle part inner wall of the first support bar (18) is slidably socketed The middle part inner wall of external wall of upper portion in threaded rod (23), the second support bar (21) is slidably socketed in the lower part of threaded rod (23) The front and rear end of outer wall, the first support bar (18) and second support bar (21) be fixedly connected on the first support plate (1) and Adjust the lower inner wall of main body (5).
2. a kind of process units of modified high attachment continuous casting production dry materials according to claim 1, feature exist In: the lower inner wall of second support plate (3) is fixedly connected with first connecting rod (4), the lower part of first support plate (1) Inner wall is fixedly connected with the second connecting rod (8), before the rear end for adjusting main body (5) is fixedly connected on the second connecting rod (8) End face center, the front end for adjusting main body (5) are fixedly connected on the rear end face center of first connecting rod (4).
3. a kind of process units of modified high attachment continuous casting production dry materials according to claim 2, feature exist In: the side interior wall of second support plate (3) is fixedly installed with motor (7), and the front end of the motor (7) is fixedly connected Have protective shell (6), the upper rear end of the protective shell (6) is fixedly connected with the second support plate (3).
4. a kind of process units of modified high attachment continuous casting production dry materials according to claim 1, feature exist In: the conveyer belt (2) further includes the first roller wheel shaft (10) and the second roller wheel shaft (12), first roller wheel shaft (10) It is symmetrically fixedly connected on the front and rear end of belt roller (9), the belt roller (9) passes through the first roller wheel shaft (10) and axis The upper inside wall for being rotatably installed in support frame (11), first idler wheel (14) and the second idler wheel (16) is held to turn by the second idler wheel Axis (12) and bearing are rotatably installed in the upper inside wall of the first support plate (1) and the second support plate (3).
5. a kind of process units of modified high attachment continuous casting production dry materials according to claim 1, feature exist In: the adjusting main body (5) further includes sliding slot (19), the peaceful sliding cutting face (22) of hand handle (20), and sliding slot (19) hollow out opens up At the upper surface center of first support bar (18) and second support bar (21), the threaded rod (23) passes through sliding slot (19) sliding peace Mounted in the inner wall of first support bar (18) and second support bar (21), the hand handle (20) is uniformly fixedly connected on knob (17) Outer wall, the smooth section (22) are symmetrically provided with the front and rear end of threaded rod (23).
6. a kind of process units of modified high attachment continuous casting production dry materials according to claim 3, feature exist The front end of the first idler wheel (14) is rotatably installed in by external pulley blocks in: the motor (7), and the first idler wheel (14) passes through Second roller wheel shaft (12) is fixedly mounted through the second support plate (3) and pulley blocks, the working power of the motor (7) and outer Connect power supply electric connection.
CN201910360173.7A 2019-04-30 2019-04-30 Production device of modified high-adhesion dry material for continuous casting tundish Active CN110203624B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910360173.7A CN110203624B (en) 2019-04-30 2019-04-30 Production device of modified high-adhesion dry material for continuous casting tundish

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910360173.7A CN110203624B (en) 2019-04-30 2019-04-30 Production device of modified high-adhesion dry material for continuous casting tundish

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CN110203624A true CN110203624A (en) 2019-09-06
CN110203624B CN110203624B (en) 2020-12-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1603557A (en) * 1978-05-24 1981-11-25 Conveyors Yorkshire Ltd Troughed belt conveyor
JP3384175B2 (en) * 1995-03-14 2003-03-10 宇部興産株式会社 Belt conveyor device
US20160340127A1 (en) * 2015-05-22 2016-11-24 Richwood Industries, Inc. Snub Idler for Conveyor
CN206859007U (en) * 2017-07-04 2018-01-09 滁州高仁建设工程有限公司 A kind of asphalt feed device
CN208530980U (en) * 2018-08-03 2019-02-22 永顺和纸业(苏州)有限公司 A kind of automatic feeding of box packing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1603557A (en) * 1978-05-24 1981-11-25 Conveyors Yorkshire Ltd Troughed belt conveyor
JP3384175B2 (en) * 1995-03-14 2003-03-10 宇部興産株式会社 Belt conveyor device
US20160340127A1 (en) * 2015-05-22 2016-11-24 Richwood Industries, Inc. Snub Idler for Conveyor
CN206859007U (en) * 2017-07-04 2018-01-09 滁州高仁建设工程有限公司 A kind of asphalt feed device
CN208530980U (en) * 2018-08-03 2019-02-22 永顺和纸业(苏州)有限公司 A kind of automatic feeding of box packing machine

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