CN208603172U - A kind of chain scraper conveyor rack and chain scraper conveyor - Google Patents
A kind of chain scraper conveyor rack and chain scraper conveyor Download PDFInfo
- Publication number
- CN208603172U CN208603172U CN201821373304.2U CN201821373304U CN208603172U CN 208603172 U CN208603172 U CN 208603172U CN 201821373304 U CN201821373304 U CN 201821373304U CN 208603172 U CN208603172 U CN 208603172U
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- chain
- scraper conveyor
- support plate
- chain scraper
- rack
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Abstract
The utility model relates to carrier bar conveying technology field, more particularly, to a kind of chain scraper conveyor rack and chain scraper conveyor, to alleviate the existing chain scraper conveyor technical problem short there are rack and the contact site serious wear of chain, rack service life.The utility model includes frame body and chain support plate；Frame body includes two and is mounted on chain support plate at the top of transporting direction crossbeam disposed in parallel, two crossbeams, and chain can be in the surface scrolls of chain support plate；Chain support plate for being isolated crossbeam and chain, and chain support plate be lost after it is replaceable.Since chain support plate is installed on cross rail top, chain support plate is worn at first, and frame body is not worn, a chain support plate need to be only re-layed at the top of chain support plate at this time, without replacing entire chain scraper conveyor rack, maintenance cost is low, and the service life of chain scraper conveyor rack increases.
Description
Technical field
The utility model relates to carrier bar conveying technology fields, convey more particularly, to a kind of chain scraper conveyor rack and carrier bar
Machine.
Background technique
The equipment for occupying critically important status in automatic production line surely belongs to conveyer, it is most important bulk material
Conveying and handling facilities.And conveyer intermediate plate conveyer is most commonly seen conveyer type.Chain scraper conveyor be it is a kind of with
Standard carrier bar is loading end, is powerdriven transmission device by motor reducer.Chain scraper conveyor by power device (motor),
Transmission shaft, roller, tensioning apparatus, sprocket wheel, chain, bearing, lubricant, carrier bar etc. are constituted.Wherein drive the main of material conveying
Two parts are as follows: chain provides traction power using its iterative motion；Metal plate, as the carrying in transmission process
Body.Chain scraper conveyor has the advantage that the conveyor surface flat-satin of 1) chain scraper conveyor, frictional force are small, and material is in pipeline
Between transition it is steady, can transport the materials such as all kinds of vials, PET bottle, pop can, also can transport all kinds of luggages；2) carrier bar has
The materials such as stainless steel and engineering plastics, specification, it is various in style, it can require to select according to conveying material and technique, be able to satisfy each row
The different demand of each industry；3) rack material is divided into aluminum profile, ordinary carbon steel, stainless steel.4) conveying capacity is big, can carry biggish
Load, such as it is used for electric vehicle, motorcycle, generator industry；5) conveying speed accurate stable, can guarantee accurately synchronize it is defeated
It send；6) chain scraper conveyor generally can directly be rinsed with water or be immersed directly in water, and equipment cleaning is convenient, be able to satisfy food
The requirement of product, beverage industry to health；7) device layout is flexible.Horizontal, inclination and turning can be completed on a strip transmission line
Conveying；8) device structure is simple, easy to maintain.Therefore, chain scraper conveyor is widely used among all trades and professions, electric power, smelting
The wide field of gold, wine brewing, chemical industry, medical treatment, machine-building etc..It, can be to automatic for the various demands for meeting production scene
The conveying machine changed in line is specifically designed, to reach requirement and purpose.
In the prior art, chain scraper conveyor rack is what plate was directly converted by size through folder, and not to easy to wear
Position carries out wear-resistant structure reinforcement.It is used by the fatigue accumulated over a long period, rack becomes because of the rolling friction between chain
Rolling and sliding friction are generating abrasion with the contact site of chain so as to cause rack.In addition, not focusing on tieing up using unit
Maintenance is repaired, rack is caused to be aggravated with the abrasion of the contact site of chain.
Therefore, the existing chain scraper conveyor technology short there are rack and the contact site serious wear of chain, rack service life
Problem.
Utility model content
The purpose of this utility model is to provide a kind of chain scraper conveyor rack and chain scraper conveyors, to alleviate existing carrier bar
The conveyer technical problem short there are rack and the contact site serious wear of chain, rack service life.
In order to solve the above technical problems, technical solution provided by the utility model is:
A kind of chain scraper conveyor rack, including frame body and chain support plate；
The frame body includes two and is respectively mounted at the top of transporting direction crossbeam disposed in parallel, two crossbeams
Chain support plate is stated, chain can be in the surface scrolls of the chain support plate；
The chain support plate for being isolated the crossbeam and the chain, and the chain support plate be lost after can
Replacement.
Further,
The chain support plate and the beam welding；
Or, the chain support plate is detachably connected with the crossbeam.
Further,
The crossbeam is provided with mounting hole, and the chain support plate is installed on the mounting hole by bolt.
A kind of chain scraper conveyor including the chain scraper conveyor rack, is installed on the biography of the chain scraper conveyor rack
Motivation structure and power mechanism；
The power mechanism is installed on the side of the chain scraper conveyor rack, and connect with the transmission mechanism, can
Power is provided for the transmission mechanism.
Further,
The transmission mechanism includes driving shaft, driven shaft, sprocket wheel and chain；
The driving shaft is connect with the power mechanism；The driving shaft across two crossbeams, and with the crossbeam
It is vertically arranged；
The driven shaft is arranged in parallel with the driving shaft, and is installed on the separate master of the chain scraper conveyor rack
The side of moving axis；
The driving shaft and the driven shaft are set with the sprocket wheel, and the sprocket wheel is engaged with the chain.
Further,
Multiple carrier bars disposed in parallel are installed at the top of the chain, the carrier bar is arranged in parallel with the crossbeam.
Further,
The carrier bar is detachably connected with the chain.
Further,
It further include the strainer for being installed on the chain scraper conveyor rack, the strainer can be tensioned the chain
Item.
Further,
The strainer includes lead screw, and the lead screw is installed on the outside of the frame body, and with the driven axis connection.
Further,
It further include guardrail, the two sides of the chain scraper conveyor rack are mounted on the guardrail.
In conjunction with above technical scheme, the beneficial effect that the utility model reaches is:
Chain scraper conveyor rack includes frame body and chain support plate；Frame body includes two along transporting direction cross disposed in parallel
Beam is mounted on chain support plate at the top of two crossbeams, and chain can be in the surface scrolls of chain support plate；Chain support plate
For being isolated crossbeam and chain, and chain support plate be lost after it is replaceable.
In use process, chain is directly contacted with chain support plate, and chain support plate plays the work of support chains and carrier bar
With.In chain transportational process, rolling friction is generated with chain contact at the top of chain support plate.With the increase of use time, chain
Rolling friction between support plate and chain gradually becomes sliding friction, chain support plate during continuous friction gradually
Damage, at this point, chain support plate is worn at first, and frame body is not ground since chain support plate is installed on cross rail top
Damage only need to re-lay a chain support plate at this time at the top of chain support plate, without replacing entire chain scraper conveyor
Rack, maintenance cost is low, and the service life of chain scraper conveyor rack increases.Meanwhile the utility model has the advantages of simple structure, existing
On the basis of technology, chain support plate is installed on frame body, other positions are not changed, the outer dimension and production system of frame body
It makes mode and technique varies without, so that the improving cost of the utility model and application cost reduce, it is easy to repair.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the top view of chain scraper conveyor rack provided by the embodiment of the utility model；
Fig. 2 is the left view of chain scraper conveyor rack provided by the embodiment of the utility model；
Fig. 3 is the partial enlarged view of chain support plate in chain scraper conveyor rack provided by the embodiment of the utility model；
Fig. 4 is the partial sectional view of chain scraper conveyor provided by the embodiment of the utility model；
Fig. 5 is the main view of chain scraper conveyor provided by the embodiment of the utility model.
Icon: 100- chain scraper conveyor rack；200- transmission mechanism；300- power mechanism；400- strainer；
500- guardrail；110- frame body；111- crossbeam；120- chain support plate；210- driving shaft；220- driven shaft；230- chain
Wheel；240- chain；250- carrier bar；410- lead screw.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1 to embodiment 2 is described in detail with reference to the accompanying drawing.
Embodiment 1
A kind of chain scraper conveyor rack 100 is present embodiments provided, please with reference to Fig. 1 to Fig. 5.Fig. 1 is that this is practical new
The top view for the chain scraper conveyor rack that type embodiment provides；Fig. 2 is chain scraper conveyor machine provided by the embodiment of the utility model
The left view of frame；Fig. 3 is the partial enlarged view of chain support plate in chain scraper conveyor rack provided by the embodiment of the utility model；
Fig. 4 is the partial sectional view of chain scraper conveyor provided by the embodiment of the utility model；Fig. 5 is provided by the embodiment of the utility model
The main view of chain scraper conveyor.
Including frame body 110 and chain support plate 120；Frame body 110 includes two along transporting direction crossbeam disposed in parallel
111, the top of two crossbeams 111 is mounted on chain support plate 120, and chain 240 can roll on the surface of chain support plate 120
It is dynamic；Chain support plate 120 for being isolated crossbeam 111 and chain 240, and chain support plate 120 be lost after it is replaceable.
In use process, chain 240 is directly contacted with chain support plate 120, and chain support plate 120 plays support chains
240 and carrier bar 250 effect.In 240 transportational process of chain, 120 top of chain support plate contacts generation rolling with chain 240 and rubs
It wipes.With the increase of use time, the rolling friction between chain support plate 120 and chain 240 gradually becomes sliding friction, chain
Support plate 120 is gradually damaged during continuous friction, at this point, pushing up since chain support plate 120 is installed on crossbeam 111
Portion, chain support plate 120 is worn at first, and frame body 110 is not worn, at this time only need to be at 120 top of chain support plate
A chain support plate 120 is re-layed, without replacing entire chain scraper conveyor rack 100, maintenance cost is low, and carrier bar is defeated
The service life of machine rack 100 is sent to increase.Meanwhile the structure of chain scraper conveyor rack 100 provided in this embodiment is simple, existing
On the basis of having technology, chain support plate 120 is installed on frame body 110, other positions are not changed, the shape ruler of frame body 110
Very little and manufacturing mode and technique vary without, so that the improving cost of the present embodiment and application cost reduce, are convenient for
Maintenance.
In the optinal plan of the present embodiment, more preferably,
Chain support plate 120 and crossbeam 111 weld；Or, chain support plate 120 is detachably connected with crossbeam 111.
Chain support plate 120 is welded in the top of crossbeam 111, and installation form is simple, after chain support plate 120 is damaged,
A chain support plate 120 is welded again in the top surface of original chain support plate 120, then chain scraper conveyor rack 100 can continue
It uses.But not limited to this, chain support plate 120 and crossbeam 111 can also be connected by screw bolts, rivet and pin connection etc. is detachable
Connection type is conveniently replaceable chain support plate 120.
Further,
Crossbeam 111 is provided with mounting hole, and chain support plate 120 is installed on mounting hole by bolt.
In use process, chain 240 is directly contacted with chain support plate 120, and chain support plate 120 plays support chains
240 and carrier bar 250 effect.In 240 transportational process of chain, 120 top of chain support plate contacts generation rolling with chain 240 and rubs
It wipes.With the increase of use time, the rolling friction between chain support plate 120 and chain 240 gradually becomes sliding friction, chain
Support plate 120 is gradually damaged during continuous friction, at this point, since frame body 110 and chain support plate 120 use bolt
Installation, only needs to change chain support plate 120, and without replacing entire chain scraper conveyor rack 100, maintenance cost is low, chain
The service life of plate conveyer frame 100 increases.Meanwhile the structure of the present embodiment is simple, improving cost and application cost reduce,
It is easy to repair.
Embodiment 2
The embodiment is another preferred embodiment arranged side by side with 1 phase of embodiment, 1 institute of embodiment except distinguishing feature
Disclosed technical solution belongs to range disclosed in the present embodiment, skill disclosed in the embodiment 1 except distinguishing feature
Art scheme is not repeated to describe.
A kind of chain scraper conveyor is present embodiments provided, please with reference to Fig. 1 to Fig. 5.Fig. 1 is the utility model embodiment
The top view of the chain scraper conveyor rack of offer；Fig. 2 is the left view of chain scraper conveyor rack provided by the embodiment of the utility model
Figure；Fig. 3 is the partial enlarged view of chain support plate in chain scraper conveyor rack provided by the embodiment of the utility model；Fig. 4 is this
The partial sectional view for the chain scraper conveyor that utility model embodiment provides；Fig. 5 is that carrier bar provided by the embodiment of the utility model is defeated
Send the main view of machine.
Including chain scraper conveyor rack 100, it is installed on the transmission mechanism 200 and power mechanism of chain scraper conveyor rack 100
300；Power mechanism 300 is installed on the side of chain scraper conveyor rack 100, and connect with transmission mechanism 200, can be driver
Structure 200 provides power.
Power mechanism 300 includes motor and retarder.Power mechanism 300 is used as power source, provides for transmission mechanism 200 dynamic
Power is transferred to chain 240 by power, transmission mechanism 200, and chain 240 rolls advance at the top of chain support plate 120, is installed on chain
The carrier bar 250 at 240 top of item is by goods transportation to designated position, and chain 240 is moved on along transmission mechanism 200,240 edge of chain
Arc track movement, carrier bar 250 also follow chain 240 to move, then article falls to specified region, and chain 240 drives carrier bar 250
Initial position is returned to, is and so on carried out.
In use process, chain 240 is directly contacted with chain support plate 120, and chain support plate 120 plays support chains
240 and carrier bar 250 effect.In 240 transportational process of chain, 120 top of chain support plate contacts generation rolling with chain 240 and rubs
It wipes.With the increase of use time, the rolling friction between chain support plate 120 and chain 240 gradually becomes sliding friction, chain
Support plate 120 is gradually damaged during continuous friction, at this point, pushing up since chain support plate 120 is installed on crossbeam 111
Portion, chain support plate 120 is worn at first, and frame body 110 is not worn, at this time only need to be at 120 top of chain support plate
A chain support plate 120 is re-layed, without replacing entire chain scraper conveyor rack 100, maintenance cost is low, and carrier bar is defeated
The service life of machine rack 100 is sent to increase.Meanwhile the structure of chain scraper conveyor provided in this embodiment is simple, in the prior art
On the basis of, chain support plate 120 is installed on frame body 110, other positions are not changed, the outer dimension of frame body 110 and
Manufacturing mode and technique vary without, so that the improving cost of the present embodiment and application cost reduce, it is easy to repair.
In the optinal plan of the present embodiment, more preferably,
Transmission mechanism 200 includes driving shaft 210, driven shaft 220, sprocket wheel 230 and chain 240；Driving shaft 210 and engine
Structure 300 connects；Driving shaft 210 is vertically arranged across two crossbeams 111, and with crossbeam 111；Driven shaft 220 and driving shaft 210 are flat
Row setting, and it is installed on the side of the separate driving shaft 210 of chain scraper conveyor rack 100；Driving shaft 210 and driven shaft 220 are equal
It is set with sprocket wheel 230, sprocket wheel 230 is engaged with chain 240.
Specifically, driving shaft 210 and driven shaft 220 are installed on the two sides of frame body 110, connected on driving shaft 210 by key
Installation is connect there are two sprocket wheel 230, the position corresponding with driving shaft 210 of driven shaft 220 is also equipped with the identical sprocket wheel 230 of model,
Two groups of driving wheels are formed, every group of driving wheel, which engages, is equipped with a chain 240, for transporting article.
Driving shaft 210 is also equipped with a sprocket wheel 230 close to one end of power mechanism 300, and the sprocket wheel 230 and retarder are defeated
Sprocket wheel 230 on shaft is connected by chain 240.The power of motor output is transferred to the chain on reducer output shaft through retarder
Wheel 230, and makes its rotation, by the effect of chain 240 so that being installed on driving shaft 210 and matched sprocket wheel 230 rotates,
And then driving shaft 210 is driven to rotate, to realize the rotation of above-mentioned two groups of driving wheels, complete transport.
Further,
Multiple carrier bars disposed in parallel 250 are installed, carrier bar 250 is arranged in parallel with crossbeam 111 at the top of chain 240.
Carrier bar 250 is across two sprocket wheels 230, and multiple carrier bars 250 are arranged in parallel, and the sky between two neighboring carrier bar 250
Gap is smaller, forms the loading end for capableing of bearing article, and article is not easy to fall from gap.
Further,
Carrier bar 250 is detachably connected with chain 240.
Carrier bar 250 is bolted with chain 240, or riveting.After a carrier bar 250 damages, damage can be only replaced
Carrier bar 250 reduces maintenance cost without replacing entire chain 240 and carrier bar 250.
In the optinal plan of the present embodiment, more preferably,
Chain scraper conveyor further includes the strainer 400 for being installed on chain scraper conveyor rack 100, and strainer 400 can
Tension chain 240.
Chain 240 will appear the phenomenon that loosening in transmission process, and the loosening of chain 240 will lead to chain 240 and sprocket wheel 230
Disengaging, chain 240 unevenly cause 120 concentrated wear of chain support plate serious with the contact of chain support plate 120, reduce chain
The service life of support plate 120, it is therefore desirable to install strainer 400.
Further,
Strainer 400 includes lead screw 410, and lead screw 410 is installed on the outside of frame body 110, and connect with driven shaft 220.
Strainer 400 further includes adjustment plate and lead screw mounting base, and lead screw mounting base is installed on 110 outside of frame body, is used for
Support lead screw 410.410 one end of lead screw is installed on lead screw mounting base, and the other end is connect with adjustment plate, and adjustment plate is far from lead screw 410
One end connect with driven shaft 220, by the rotation of lead screw 410, between adjustable driven shaft 220 and driving shaft 210 away from
From, and then realize the purpose of tension chain 240.
In the optinal plan of the present embodiment, more preferably,
Chain scraper conveyor further includes guardrail 500, and the two sides of chain scraper conveyor rack 100 are mounted on guardrail 500.
Specifically, guardrail 500 includes angle steel support base, guardrail support plate and the guardrail sheet for being installed on 110 two sides of frame body
Body；Angle steel support base is welded in the outside of frame body 110；The bottom end of guardrail support plate is installed on angle steel support base, top and guardrail
Ontology connection；The length of guardrail ontology and the equal length of frame body 110, can prevent higher building product from falling from 250 two sides of carrier bar
And damage goods or injury staff.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of chain scraper conveyor rack, which is characterized in that including frame body and chain support plate；
The frame body includes two and is mounted on the chain at the top of transporting direction crossbeam disposed in parallel, two crossbeams
Support plate, chain can be in the surface scrolls of the chain support plate；
The chain support plate for being isolated the crossbeam and the chain, and the chain support plate be lost after can be more
It changes.
2. chain scraper conveyor rack according to claim 1, which is characterized in that the chain support plate and the crossbeam weld
It connects；
Or, the chain support plate is detachably connected with the crossbeam.
3. chain scraper conveyor rack according to claim 2, which is characterized in that the crossbeam is provided with mounting hole, described
Chain support plate is installed on the mounting hole by bolt.
4. a kind of chain scraper conveyor including chain scraper conveyor rack as described in any one of claims 1-3, which is characterized in that
It further include the transmission mechanism and power mechanism for being installed on the chain scraper conveyor rack；
The power mechanism is installed on the side of the chain scraper conveyor rack, and connect with the transmission mechanism, can be institute
It states transmission mechanism and power is provided.
5. chain scraper conveyor according to claim 4, which is characterized in that the transmission mechanism include driving shaft, driven shaft,
Sprocket wheel and chain；
The driving shaft is connect with the power mechanism；The driving shaft across two crossbeams, and with the beam vertical
Setting；
The driven shaft is arranged in parallel with the driving shaft, and is installed on the separate driving shaft of the chain scraper conveyor rack
Side；
The driving shaft and the driven shaft are set with the sprocket wheel, and the sprocket wheel is engaged with the chain.
6. chain scraper conveyor according to claim 5, which is characterized in that be equipped with multiple be arranged in parallel at the top of the chain
Carrier bar, the carrier bar is arranged in parallel with the crossbeam.
7. chain scraper conveyor according to claim 6, which is characterized in that the carrier bar is detachably connected with the chain.
8. chain scraper conveyor according to claim 5, which is characterized in that further include being installed on the chain scraper conveyor rack
Strainer, the strainer can be tensioned the chain.
9. chain scraper conveyor according to claim 8, which is characterized in that the strainer includes lead screw, the lead screw
Be installed on the outside of the frame body, and with the driven axis connection.
10. chain scraper conveyor according to claim 5, which is characterized in that it further include guardrail, the chain scraper conveyor rack
Two sides be mounted on the guardrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373304.2U CN208603172U (en) | 2018-08-23 | 2018-08-23 | A kind of chain scraper conveyor rack and chain scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373304.2U CN208603172U (en) | 2018-08-23 | 2018-08-23 | A kind of chain scraper conveyor rack and chain scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208603172U true CN208603172U (en) | 2019-03-15 |
Family
ID=65679497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821373304.2U Expired - Fee Related CN208603172U (en) | 2018-08-23 | 2018-08-23 | A kind of chain scraper conveyor rack and chain scraper conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208603172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451166A (en) * | 2019-07-31 | 2019-11-15 | 华晓精密工业(苏州)有限公司 | Circulation conveying structure |
| CN110954774A (en) * | 2019-12-29 | 2020-04-03 | 江苏达晨冠图电气科技有限公司 | Test system applied to zinc oxide resistance card |
-
2018
- 2018-08-23 CN CN201821373304.2U patent/CN208603172U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451166A (en) * | 2019-07-31 | 2019-11-15 | 华晓精密工业(苏州)有限公司 | Circulation conveying structure |
| CN110451166B (en) * | 2019-07-31 | 2024-04-09 | 华晓精密工业(苏州)有限公司 | Circulation conveying structure |
| CN110954774A (en) * | 2019-12-29 | 2020-04-03 | 江苏达晨冠图电气科技有限公司 | Test system applied to zinc oxide resistance card |
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Granted publication date: 20190315 |