CN208245129U - Roller bearing screen assembly and material screening machine structure - Google Patents
Roller bearing screen assembly and material screening machine structure Download PDFInfo
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- CN208245129U CN208245129U CN201721786125.7U CN201721786125U CN208245129U CN 208245129 U CN208245129 U CN 208245129U CN 201721786125 U CN201721786125 U CN 201721786125U CN 208245129 U CN208245129 U CN 208245129U
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- sieve plate
- roller bearing
- conveyer belt
- chute
- plate ontology
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Abstract
The utility model relates to a kind of roller bearing screen assembly and material screening machine structures, are related to screening plant field.The roller bearing screen assembly includes the first chute, the arc roller bearing screen plate mechanism with the cooperation of the first chute, and the second chute with the cooperation of arc roller bearing sieve plate, arc roller bearing screen plate mechanism includes the sieve plate ontology with gap, for driving the driving device of sieve plate ontology.First chute and first conveyer belt cooperation are for receiving raw material from first conveyer belt conveying and by feedstock transportation to sieve plate ontology, raw material is delivered to the second conveyer belt through the second chute by sieve plate ontology, and raw material is made to be in that arc trajectory moves when sieve plate ontology, the plane where first conveyer belt is located at the top for the plane that the second conveyer belt is located at.Its is simple for structure, and maintenance is simple, is designed for frangible material screening, the percentage of damage of screening is effectively reduced.Material screening machine structure including above-mentioned roller bearing screen assembly effectively sieves frangible raw material, while the percentage of damage in screening process is effectively reduced.
Description
Technical field
The present invention relates to screening plant fields, in particular to a kind of roller bearing screen assembly and material screening machine structure.
Background technique
Screening for blocky frangible raw material is always to sieve industry-specific problem, even if sieve itself is to the percentage of damage of raw material
Minimize, but when entering equipment and equipment out, drop and speed difference when due to having bad luck, raw material and raw material or raw material with set
Standby direct collision leads to the broken of blocky frangible raw material.
Although existing Screen assemblies are down to very low, the drop and speed difference condition of raw material itself in the percentage of damage of equipment itself
Under impact, cause percentage of damage still high.
Summary of the invention
Simple for structure the purpose of the present invention is to provide a kind of roller bearing screen assembly, maintenance is simple, sieves for frangible raw material
Divide and be designed, the percentage of damage of screening is effectively reduced.
Another object of the present invention is to provide a kind of material screening machine structure, frangible raw material can be effectively sieved, while effectively
Reduce the percentage of damage in screening process.
The embodiment of the present invention is achieved in that
A kind of roller bearing screen assembly comprising the first chute, the arc roller bearing screen plate mechanism with the cooperation of the first chute, Yi Jiyu
Second chute of arc roller bearing screen plate mechanism cooperation, arc roller bearing screen plate mechanism includes the sieve plate ontology with gap, Yi Jiyong
In the driving device of driving sieve plate bulk transport raw material.
First chute and first conveyer belt cooperation for receives from first conveyer belt conveying raw material and by feedstock transportation to
Raw material is delivered to the second conveyer belt through the second chute by sieve plate ontology, sieve plate ontology, and raw material is made to be in camber line when sieve plate ontology
Track movement, the plane where first conveyer belt are located at the top for the plane that the second conveyer belt is located at.
In preferred embodiments of the present invention, above-mentioned sieve plate ontology includes the conical roller of multiple interval connections, any phase
There is gap between two adjacent conical rollers, the width in the gap between two conical rollers of arbitrary neighborhood is equal,
The axis of each conical roller passes through the center of circle of sieve plate ontology, and multiple conical rollers are connected by chain drive, each taper rolling
Axis and driving device are sequentially connected.
In preferred embodiments of the present invention, one end to the one end far from the center of circle of above-mentioned each conical roller close to the center of circle
Diameter become larger.
In preferred embodiments of the present invention, above-mentioned sieve plate ontology is equipped with first baffle, sieve plate sheet close to the one end in the center of circle
Body is equipped with second baffle, each conical roller and first baffle far from the one end in the center of circle and second baffle is rotatablely connected.
In preferred embodiments of the present invention, above-mentioned driving device includes motor, and the one-to-one shaft coupling of motor, with
And gear, the same end of each conical roller are coaxially connected with gear, adjacent any two conical roller gear drive, motor
It is coaxially connected with conical roller by shaft coupling.
In preferred embodiments of the present invention, the distance between above-mentioned first conveyer belt and the first chute are leaned on along the first chute
One end of nearly first conveyer belt becomes larger to one end far from first conveyer belt.
In preferred embodiments of the present invention, the distance between above-mentioned second conveyer belt and the second chute are leaned on along the second chute
One end of nearly second conveyer belt becomes larger to one end far from the second conveyer belt.
In preferred embodiments of the present invention, above-mentioned sieve plate ontology between the side and first conveyer belt in the center of circle away from
From greater than side of the sieve plate ontology far from the center of circle.
A kind of material screening machine structure comprising rack, the above-mentioned roller bearing screen assembly and collection device for being set to rack are collected
Device is located at the lower section of sieve plate ontology for collecting the raw material fallen from gap.
In preferred embodiments of the present invention, above-mentioned further includes the dust cover for being set to rack, and dust cover is covered in roller bearing
The top of screen assembly.
The beneficial effect of the embodiment of the present invention is:
By working in coordination for the first slide carriage, the second slide carriage and arc roller bearing screen plate mechanism, on the one hand subtract as far as possible
Drop between few first conveyer belt and the second conveyer belt, is effectively reduced the drop and speed difference of raw material, makes raw material in conveying
It can guarantee that the speed of service and downstream conveying equipment of raw material, the i.e. speed of the second conveyer belt are consistent as far as possible in the process,
Meanwhile the setting of arc roller bearing screen plate mechanism can guarantee that the traffic direction of raw material and the traffic direction of downstream conveying equipment keep one
It causes, further decreases impact force, prevent broken generation.
Meanwhile in transmission process, short grained raw material is flowed out through gap, so that the raw material with bulky grain is sieved, and
And the setting of arc roller bearing screen plate mechanism, the sieve plate ontology of arc can guarantee that the traffic direction of raw material is set with downstream conveying
It is standby to be consistent, impact force is further decreased, broken generation is prevented.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the roller bearing screen assembly that the embodiment of the present invention 1 provides；
The local signal amplification figure that Fig. 2 is in Fig. 1 II；
Fig. 3 is the structural schematic diagram at the first visual angle of the material screening machine structure that the embodiment of the present invention 2 provides；
Fig. 4 is the structural schematic diagram at the second visual angle of the material screening machine structure that the embodiment of the present invention 2 provides.
In figure: 100- roller bearing screen assembly；The first chute of 110-；The second chute of 120-；130- arc roller bearing screen plate mechanism；
131- sieve plate ontology；1311- conical roller；1313- chain；The gap 1315-；133- first baffle；135- second baffle；
140- driving device；141- motor；142- speed reducer；143- shaft coupling；145- gear；1451- first gear；1453- second
Gear；200- first conveyer belt；The second conveyer belt of 300-；10- material screening machine structure；400- rack；410- first bearing support；
420- second bearing support；430- collection device；440- dust cover；450- shield；451- funnel；460- elephant trunk.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " first ", " second ", " third " etc. are only used for distinguishing and retouch
It states, is not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
First embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of roller bearing screen assemblies 100 comprising the first chute 110, the second chute
120 and arc roller bearing screen plate mechanism 130.
Optionally, the one end of the first chute 110 far from sieve plate ontology 131 and first conveyer belt 200 cooperate, for receiving
The raw material conveyed from first conveyer belt 200, the one end and the second conveying of the second chute 120 close to arc roller bearing screen plate mechanism 130
Band 300 cooperates, for making raw material through arc in the process the feedstock transportation on the second chute 120 to the second conveyer belt 300
It is moved when shape roller bearing screen plate mechanism 130 in arc trajectory.Preferably, the plane where first conveyer belt 200 is located at the second conveying
Transferring raw material is convenient in the top for the plane being located at 300.
In order to reduce raw material itself drop and speed difference under the conditions of impact, it is preferable that first conveyer belt 200 is slipped with first
The distance between slot 110 is along the first chute 110 close to one end of first conveyer belt 200 to one end far from first conveyer belt 200
It becomes larger.It is further preferred that the distance between the second conveyer belt 300 and the second chute 120 are along the second chute 120 close to
One end of two conveyer belts 300 becomes larger to one end far from the second conveyer belt 300.
Hold above-mentioned, i.e. the first chute 110 is obliquely installed respectively with the second chute 120, optionally, first conveyer belt 200 with
And second conveyer belt 300 be horizontally disposed with respectively, wherein the angle between the first chute 110 and first conveyer belt 200 is 135-
160 degree, the angle between the second chute 120 and the second conveyer belt 300 is 20-45 degree, while in order to further make raw material and fortune
Defeated speed is consistent, and the first chute 110 is arranged in parallel with the second chute 120, makes it during transportation, not only by raw material
Falling height minimizes, and reduces Crushing Problem caused by speed difference of the raw material when falling to greatest extent.
Referring to Fig. 1, arc roller bearing screen plate mechanism 130 includes sieve plate ontology 131 and driving device 140.
Wherein, sieve plate ontology 131 is projected as arc in horizontal plane, wherein preferably, sieve plate ontology 131 arcuately prolongs
The one end stretched and the first chute 110 cooperate, and the other end and the second chute 120 cooperate.To which raw material is defeated from the first chute 110
It send to sieve plate ontology 131, through sieve plate ontology 131 in camber line transportation route by feedstock transportation to the second chute 120.The sieve plate of arc
Ontology 131 can guarantee that the traffic direction of raw material is consistent with downstream conveying equipment, further decrease impact force, prevent
Broken generation.
Optionally, the central angle of sieve plate ontology 131 is preferably 90 degree, effective conversion direction and reduction breakage rate.
Wherein, sieve plate ontology 131 can be horizontally disposed with, and be may be set to be and be obliquely installed along material traffic direction, thus
In the case where material conditions permit, driving can be cancelled, make unpowered freely to roll screening using material gravity potential energy.Preferred angled
Setting, the distance between the side that being obliquely installed herein refers to sieve plate ontology 131 close to the center of circle and first conveyer belt 200 are greater than
Side of the sieve plate ontology 131 far from the center of circle.By being obliquely installed, raw material makees fan-shaped circular motion on arc roller bearing sieve plate, makes
Gravity G suffered by raw material and sieve plate ontology 131 are directed toward the center of circle of sieve plate ontology 131 to the resultant force F of the support force F1 of raw material, to mention
For raw material, when making fan shape moving on sieve plate ontology 131, required centripetal force, guarantee raw material are not in centrifugation in the process of running
Phenomenon.
Also referring to Fig. 1 and Fig. 2, sieve plate ontology 131 includes multiple conical rollers 1311 and chain 1313,
In multiple conical rollers 1311 be sequentially connected by chain 1313.
Wherein, it should be noted that it is multiple in the present invention to refer to two and more than two, such as three, seven, ten,
30,50 etc., those skilled in the art can set according to the actual situation.
The setting of multiple intervals of conical roller 1311, i.e., have gap between the two of arbitrary neighborhood conical roller 1311
1315, for during transportation, export tiny raw material from gap 1315, the raw material of bulk through the second chute 120,
It slips to downstream conveying equipment, and then reaches screening effect.
In order to keep screening effect good, the width phase in the gap 1315 preferably between two conical rollers 1311 of arbitrary neighborhood
Deng, and the setting of conical roller 1311, it is uniform that gap between roller bearing is effectively ensured.The axis of each conical roller 1311 is worn simultaneously
Cross the center of circle of sieve plate ontology 131.
Preferably, the surface linear velocity at the intermediate position of each conical roller 1311 and first conveyer belt 200 and
The transmission speed of second conveyer belt 300 is close, that is, the operating rate and downstream conveying equipment that raw material is effectively ensured are consistent, most
Limits reduce raw material, and there are the Crushing Problems caused by speed difference between the conveying equipment of downstream.Therefore, it further effectively drops
Low percentage of damage.
More preferably, diameter of each conical roller 1311 close to one end to the one end far from the center of circle in the center of circle becomes larger,
I.e. each conical roller 1311 is arranged in the same manner.
Sieve plate ontology 131 is equipped with first baffle 133 close to the one end in the center of circle, and sieve plate ontology 131 is set far from the one end in the center of circle
There is second baffle 135, each conical roller 1311 is rotatablely connected with first baffle 133 and second baffle 135, specifically, the
One baffle 133 is equipped with each conical roller 1311 close to the matched notch in one end in the center of circle, second baffle 135 be equipped with it is each
One end matched notch of the conical roller 1311 close to the center of circle, wherein each conical roller 1311 and first baffle 133 and
Second baffle 135 is rotatablely connected.
Specifically, between can have between each conical roller 1311 and 135 turns of first baffle 133 and second baffle
Gap 1315 can also not have, in the present embodiment, each conical roller 1311 and first baffle 133 and 135 turns of second baffle it
Between there is gap 1315, such as the gap 1315 of 1-3mm, to have under conditions of not influencing sieve plate ontology 131 and operating normally
Effect stops the raw material for being located at sieve plate ontology 131 because of the effect of centrifugal force, falls off from sieve plate ontology 131.
Referring to Fig. 1, driving device 140 includes motor 141, with the one-to-one shaft coupling 143, Yi Jichi of motor 141
Wheel 145.
Specifically, the one end of gear 145 with conical roller 1311 far from the center of circle is coaxially connected, and optionally, gear 145 is arranged
In side of the first baffle far from second baffle, convenient for operation.Adjacent 1311 gear 145 of any two conical roller transmission,
Motor 141 is coaxially connected by shaft coupling 143 and conical roller 1311, to be moved by motor 141 with moving gear 145, tooth
It takes turns 145 transmission belts and moves the rotation of conical roller 1311, while shaft coupling 143 controls adjacent any conical roller 1311 and rotates jointly
To transmit torque, make the operating that remains a constant speed of sieve plate ontology 131.
In order to reduce revolving speed, increases torque, control the accurately speed control of each conical roller 1311, optionally, also
Including speed reducer 142, speed reducer 142 is set between motor 141 and shaft coupling 143 and connects motor 141 and shaft coupling 143.
Optionally, the quantity of motor 141 can be multiple, accordingly increase the quantity of shaft coupling 143, that is, may be configured as
Multiple drive stations do not do excessive repeat herein.
Referring to Fig. 2, gear 145 includes first gear 1451 and second gear 1453, first gear in the present embodiment
1451 and second gear 1453 be respectively arranged at each one end of conical roller 1311 far from the center of circle, first gear 1451 and
The setting of two gears 1453 interval.Wherein, first gear 1451 is located at the one end of second gear 1453 far from the center of circle, wherein each
The first gear 1451 of conical roller 1311 is only logical with the first gear 1451 of one of conical roller 1311 adjacent thereto
Cross the transmission connection of chain 1313, the first gear 1451 of each conical roller 1311 only another conical roller adjacent thereto
1311 second gear 1453 is sequentially connected by another chain 1313, to guarantee two adjacent conical rollers 1311
It operates normally, and runs more steady by identical rate.
The working principle of roller bearing screen assembly 100 is:
Firstly, adjusting the rate of sieve plate ontology 131, make the intermediate surface linear velocity and the of each conical roller 1311
The travelling speed of the transporting rate of one conveyer belt and the second conveyer belt is close, by raw material through the first chute 110, slowly slide to
Sieve plate ontology 131, by the conical roller 1311 of rotation, by raw material fine crushing through the gap 1315 between conical roller 1311
It is sieved with the raw material of bulk, the raw material for retaining in sieve plate ontology 131 is slipped through the second chute 120 to be sent to the second conveyer belt
300。
Second embodiment
Referring to Fig. 3, the present embodiment provides a kind of material screening machine structures 10 comprising the roller bearing screen assembly that embodiment 1 provides
100, it further include rack 400 and collection device 430.
Wherein, roller bearing screen assembly 100 is set to rack 400, and specifically, the two sides of rack 400 are respectively equipped with first bearing
Support 410 and second bearing support 420, first bearing support 410 and the setting of the interval of second bearing support 420, wherein
The one end of sieve plate ontology 131 far from the center of circle is connect with first bearing support 410 by bearing, and sieve plate ontology 131 is close to the center of circle
One end is connect with second bearing support 420 by bearing, convenient for rotation, and provides better bearing capacity, it is empty to provide installation
Between.
Optionally, first baffle 133 and second baffle 135 are fixed in rack 400 using angle steel, convenient for fixing
Installation.
Collection device 430 is set to rack 400, is set to the lower section of sieve plate ontology 131 for collecting through gap 1315
The tiny raw material fallen prevents wastage of material, while convenient for centralized processing.
Since certain dust can be generated in transmission process, it is preferable that further include the dust cover for being set to rack 400
440, specifically, dust cover 440 is covered in sieve plate ontology 131, and dust removal port (not shown) is arranged in preferably dust cover 440, convenient for removing
Dirt.Meanwhile driving device 140 is set to the outside of dust cover 440, and dust is effectively prevent to cause bad shadow to motor 141 etc.
It rings,
In order to further reach environmental protection, preventing dust and recycle the purpose of raw material, optionally, referring to Fig. 4, first is defeated
The top for the position for sending band 200 and the first chute 110 to cooperate is equipped with shield 450, which prevents sundries from entering, shield 450
It is connected to funnel 451, funnel 451 is set to the lower section of the position of first conveyer belt 200 and the cooperation of the first chute 110, funnel 451
It is connected to collection device 430 by elephant trunk 460, to slipping the small particles material at funnel 451 through elephant trunk 460 to collection device
430, with meet the requirement of environmental protection.Optionally, dust cover 440 is connect with 450 flanged joint of shield or butt welding, and fixed effect is good.
The working principle of material screening machine structure 10 is:
Firstly, adjusting the rate of sieve plate ontology 131, make the intermediate surface linear velocity and the of each conical roller 1311
The travelling speed of the transporting rate of one conveyer belt and the second conveyer belt is close, by raw material through the first chute 110, slowly slide to
Sieve plate ontology 131, by the conical roller 1311 of rotation, by raw material fine crushing through the gap 1315 between conical roller 1311
It is sieved with the raw material of bulk, and raw material fine crushing is collected by collection device 430, retain in the raw material of sieve plate ontology 131
It slips and is sent to the second conveyer belt 300 through the second chute 120.Dust cover 440 prevents dust from descending slowly and lightly to workshop simultaneously, pollutes environment.
To sum up, roller bearing screen assembly 100 provided by the invention, simple for structure, maintenance is simple, for frangible material screening into
Row design, is effectively reduced the percentage of damage of screening.Material screening machine structure 10 including above-mentioned roller bearing screen assembly 100, can effectively sieve
Frangible raw material, while the percentage of damage in screening process is effectively reduced.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of roller bearing screen assembly, which is characterized in that the arc roller bearing sieve plate including the first chute, with first chute cooperation
Mechanism, and the second chute with arc roller bearing screen plate mechanism cooperation, the arc roller bearing screen plate mechanism include between having
The sieve plate ontology of gap, and the driving device for driving the sieve plate bulk transport raw material；
First chute and first conveyer belt cooperation are for receiving raw material from first conveyer belt conveying and by the original
Material is delivered to sieve plate ontology, and the raw material is delivered to the second conveyer belt through second chute by the sieve plate ontology, and makes institute
Stating raw material is in that arc trajectory moves when the sieve plate ontology, and the plane where the first conveyer belt is located at second conveying
The top for the plane that band is located at.
2. roller bearing screen assembly according to claim 1, which is characterized in that the sieve plate ontology includes multiple interval connections
Conical roller has the gap, the taper rolling of two of arbitrary neighborhood between two conical rollers of arbitrary neighborhood
The width in the gap between axis is equal, and the axis of each conical roller passes through the center of circle of the sieve plate ontology, multiple
The conical roller is connected by chain drive, and each conical roller and the driving device are sequentially connected.
3. roller bearing screen assembly according to claim 2, which is characterized in that each conical roller is close to the center of circle
The diameter of one end to one end far from the center of circle becomes larger.
4. roller bearing screen assembly according to claim 2, which is characterized in that the one end of the sieve plate ontology close to the center of circle
Equipped with first baffle, the sieve plate ontology is equipped with second baffle, each conical roller and institute far from the one end in the center of circle
State first baffle and second baffle rotation connection.
5. roller bearing screen assembly according to claim 2, which is characterized in that the driving device includes motor, with the electricity
The one-to-one shaft coupling of machine and gear, the same end of each conical roller is coaxially connected with the gear, adjacent
Any two conical roller gear drive, the motor are coaxially connected by the shaft coupling and the conical roller.
6. roller bearing screen assembly according to claim 1, which is characterized in that the first conveyer belt and first chute it
Between distance along first chute close to one end of the first conveyer belt to far from the first conveyer belt one end gradually
Become larger.
7. roller bearing screen assembly according to claim 2, which is characterized in that second conveyer belt and second chute it
Between distance along second chute close to one end of second conveyer belt to far from second conveyer belt one end gradually
Become larger.
8. roller bearing screen assembly described in -7 any one according to claim 1, which is characterized in that the sieve plate ontology is close to the center of circle
Side and the distance between the first conveyer belt be greater than the side of the sieve plate ontology far from the center of circle.
9. a kind of material screening machine structure, which is characterized in that including rack, be set to the rack such as claim 1-8 any one
The roller bearing screen assembly and collection device, the collection device are located at the lower section of the sieve plate ontology for collecting from institute
State the raw material that gap is fallen.
10. material screening machine structure according to claim 9, which is characterized in that further include the dust cover for being set to the rack, institute
Dust cover is stated to cover in the top of the roller bearing screen assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786125.7U CN208245129U (en) | 2017-12-19 | 2017-12-19 | Roller bearing screen assembly and material screening machine structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786125.7U CN208245129U (en) | 2017-12-19 | 2017-12-19 | Roller bearing screen assembly and material screening machine structure |
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| Publication Number | Publication Date |
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| CN208245129U true CN208245129U (en) | 2018-12-18 |
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ID=64619703
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| CN201721786125.7U Active CN208245129U (en) | 2017-12-19 | 2017-12-19 | Roller bearing screen assembly and material screening machine structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794081A (en) * | 2021-02-05 | 2021-05-14 | 南通润邦重机有限公司 | Detachable abrasionproof decreases return bend |
-
2017
- 2017-12-19 CN CN201721786125.7U patent/CN208245129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794081A (en) * | 2021-02-05 | 2021-05-14 | 南通润邦重机有限公司 | Detachable abrasionproof decreases return bend |
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