CN106628864A - Puller driven frame - Google Patents
Puller driven frame Download PDFInfo
- Publication number
- CN106628864A CN106628864A CN201611209744.XA CN201611209744A CN106628864A CN 106628864 A CN106628864 A CN 106628864A CN 201611209744 A CN201611209744 A CN 201611209744A CN 106628864 A CN106628864 A CN 106628864A
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- China
- Prior art keywords
- chain
- longitudinal direction
- screw rod
- driven shaft
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims description 6
- 230000008901 benefit Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000011430 maximum method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to a puller driven frame. The puller driven frame comprises two tensioning devices arranged at the two ends of the frame in a mirror image manner. Each tensioning device is provided with a chain plate. An annular chain is connected to the periphery positions of the two chain plates in an engaged manner. Chain transmission is achieved between the chain and the two chain plates. The corresponding chain plates can be driven to oppositely move in the horizontal direction by rotating and regulating threaded rods on the tensioning devices correspondingly, and therefore the maximum distance between the two chain plates can be regulated, and the maximum tensioning stroke during chain transmission can be met. According to the puller driven frame, by means of the design of the threaded rods and springs, the distance between the two chain plates can be regulated in the horizontal direction, operation is convenient, production is stable, the automatic transmission level of the driven frame is effectively improved, and the production efficiency of the device is greatly improved.
Description
Technical field
The present invention relates to circuit board technology field, more particularly to a kind of pull head driven carriage.
Background technology
In the process of circuit board, circuit board to be processed need to be sequentially transferred, be adopted more common conveyer
With forms such as conveyer belt, crawler belts, and the transmission such as conveyer belt, crawler belts is driven using two chain drums, the multiple pull heads of device on conveyer belt,
Circuit board is captured respectively using pull head, is touched so as to prevent from being produced between circuit board.In transmit process, because pull head captures circuit board
Action of Gravity Field afterwards, can usually make conveyer belt produce stress deformation or make chain drum produce the inclination of horizontal level, common to do
Method is respectively configured weight below two chain drums, this kind of to do so as to make to be formed between two chain drums the tightening force of maximum
Method, due to the effect of gravity, is very easy to change chain drum position vertically in the course of time, and the weight of counterweight is grasped
If bad, easily make to produce skidding between chain and chain drum, What is more, and chain departs from from chain drum, so as to affect whole biography
The precision of journey is passed through, large-scale production is highly detrimental to.
The content of the invention
It is an object of the invention to provide a kind of pull head driven carriage.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：A kind of pull head driven carriage, for will be multiple
Pull head is taken advantage of a situation transmission along the direction of the chain of an annular, and it includes a vehicle frame, and the chain of annular is provided with the vehicle frame,
The pull head is separable to be fixed on the chain, also including two tensioning apparatus that the vehicle frame two ends are arranged in mirror image,
A chain drum is provided with each described tensioning apparatus, two chain drums are arranged in same level, annular is described
Chain engagement is connected at the periphery of two chain drums, and between the chain and two chain drums Chain conveyer is formed；Adjust
Two tensioning apparatus can drive respectively the corresponding chain drum in the horizontal direction relative motion, to meet the chain transmission
When maximum tension travel.
In a preferred embodiment, the tensioning apparatus includes：The driven shaft that vertical direction is arranged, covers on the driven shaft
Installing is equipped with the chain drum；Two groups of screw rods that are being separately positioned on the driven shaft both sides and be arrangeding in parallel in the horizontal direction, often
The quantity of the group screw rod is no less than 3；Connect setting per group of screw rod with one end spring top board；It is sleeved on described
PE guide pin bushings outside screw rod；And the spring being sleeved on outside the PE guide pin bushings.
In a preferred embodiment, also including two transverse plates be arrangeding in parallel in the horizontal direction, the two of the driven shaft
End is connected respectively with the middle part of the transverse plate and can move back and forth along the transverse plate direction；The end of two transverse plates
Two first longitudinal direction plates and second longitudinal direction plate are vertically connected between portion, two first longitudinal direction plates are near the spring
Arrange, two second longitudinal direction plates are arranged away from the spring；Screw rod described in one group is respectively sequentially through adjacent described the
One longitudinal plate and second longitudinal direction plate, screw rod described in another group is respectively sequentially through the first longitudinal direction plate and second adjacent in addition
Longitudinal plate.
In a preferred embodiment, it is separable on the first longitudinal direction plate side wall relative with the spring top board to fix one
The individual PE guide pin bushings, the spring is sleeved on the outside of two PE guide pin bushings, and the screw rod sequentially passes through the spring top board
Pass with the PE guide pin bushings on first longitudinal direction plate, by the second longitudinal direction plate, rotating the screw rod can change the spring top board
The distance between with first longitudinal direction plate.
In a preferred embodiment, the chain drum is connected on the driven shaft by an adpting flange, the chain drum with
It is fixed by the first securing member between the adpting flange, the chain drum can be along around driven shaft rotation；It is described driven
The two ends of axle are connected respectively by a square connecting base bearing with the transverse plate, the two ends of the driven shaft respectively with it is corresponding
It is fixed by the second securing member between the connection bearing.
The beneficial effect of pull head driven carriage of the present invention is：It is tensioned by arranging one in mirror image respectively at the two ends of vehicle frame
A chain drum is provided with device, and each tensioning apparatus, ring chain engagement is connected at the periphery of two chain drums, chain
Chain conveyer is formed between bar and two chain drums；Rotating the screw rod adjusted on each tensioning apparatus respectively can respectively drive corresponding chain
Disk relative motion in the horizontal direction, so as to can adjust the ultimate range between two chain drums, to meet maximum when chain is transmitted
Tension travel.The present invention pull head driven carriage, using the design of screw rod and spring, can adjust in the horizontal direction two chain drums it
Between distance, be easy to operation, production is stable, effectively raises the automation transmission level of driven carriage, and substantially increases
The production efficiency of equipment.
Description of the drawings
Fig. 1 is the front view of pull head driven carriage in an embodiment.
Fig. 2 is the front view of tensioning apparatus in Fig. 1.
Fig. 3 is the lateral plan of tensioning apparatus in Fig. 2.
Specific embodiment
The pull head driven carriage of the present invention is described in further detail below in conjunction with specific embodiment and accompanying drawing.
Refer to Fig. 1, a kind of pull head driven carriage, for by multiple pull heads (figure is not regarded) along the direction of the chain of an annular
Take advantage of a situation transmission.It includes a vehicle frame 20, and the length of vehicle frame 20 can be according to the quantity of the length of chain and pull head to be transmitted according to gesture
It is lengthened or shortened, the chain 30 of an annular is provided with the inside of vehicle frame 20, multiple pull heads are separable is fixed on the chain 30
On, chain 30 is rotated, and drives pull head sequentially to be transmitted.
Preferably, please referring also to Fig. 2, the pull head driven carriage of the present invention is also arranged on vehicle frame 20 including two in mirror image
The tensioning apparatus 10 at two ends, is provided with a chain drum 12 on each tensioning apparatus 10, two chain drums 12 are arranged on same level
On face, the engagement of chain 30 of annular is connected at the periphery of two chain drums 12, chain is formed between chain 30 and two chain drums 12 and is passed
Dynamic, adjusting two tensioning apparatus 10 can respectively drive the relative motion in the horizontal direction of corresponding chain drum 12, when chain 30 is transmitted,
Because the elastic elongation caused by tension force is required, by adjusting the ultimate range between two chain drums 12, the chain of annular can be met
The maximum tension travel of bar 30.
Tensioning apparatus 10 includes：The driven shaft 11 that vertical direction is arranged, suit is provided with chain drum 12 on driven shaft 11；Two groups
Screw rod 13 that is being separately positioned on the both sides of driven shaft 11 and be arrangeding in parallel in the horizontal direction, the quantity of every group of screw rod is no less than 3
It is individual；Connect setting every group of screw rod 13 with one end spring top board 16；The PE guide pin bushings 15 being sleeved on outside screw rod 13；And set
The spring 12 being mounted in outside PE guide pin bushings 15.
Preferably, tensioning apparatus 10 also include two transverse plates 191 be arrangeding in parallel in the horizontal direction, the two of driven shaft 11
End is connected respectively with the middle part of two transverse plates 191 and transversely can move back and forth in the direction of plate 191；The end of two transverse plates 191
Two first longitudinal direction plates 192 and second longitudinal direction plate 193 are vertically connected between portion, two first longitudinal direction plates 192 are near bullet
Spring 14 and spring top board 16 are arranged, and two second longitudinal direction plates 193 are arranged away from spring 14；One of which screw rod 13 is sequentially worn respectively
Cross adjacent first longitudinal direction plate 192 and second longitudinal direction plate 193, another group of screw rod 13 is sequentially indulged through in addition adjacent first respectively
To plate 192 and second longitudinal direction plate 193.
It is separable on the side wall relative with spring top board 16 of first longitudinal direction plate 192 to fix a PE guide pin bushing 15,14 sets of spring
Be mounted in the outside of two PE guide pin bushings 15, screw rod 13 sequentially through the PE guide pin bushings 15 on spring top board 16 and first longitudinal direction plate 192, after
Jing second longitudinal directions plate 193 is passed, and rotating screw rod 13 can change the distance between spring top board 16 and first longitudinal direction plate 192.
Please referring also to Fig. 3, chain drum 12 is connected on driven shaft 11 by an adpting flange 17, chain drum 12 and adpting flange
It is fixed by the first securing member 40 between 17, chain drum 12 can be rotated around driven shaft 11；The two ends of driven shaft 11 pass through respectively
One square connecting base bearing 18 is connected with transverse plate 191, and the two ends of driven shaft 11 lead to respectively between corresponding connection bearing 18
Cross the second securing member 50 to be fixed.
During actual transmission, can pass through to rotate the screw rod on each tensioning apparatus, to change spring top board and first longitudinal direction plate
The distance between, it can make chain drum all the time in tensioning shape due to the spring being arranged between spring top board and first longitudinal direction plate
State, it is to avoid the displacement of chain drum in transmission process.
To sum up, pull head driven carriage of the invention, by arranging a tensioning apparatus in mirror image respectively at the two ends of vehicle frame, and
And a chain drum is provided with each tensioning apparatus, ring chain engagement is connected at the periphery of two chain drums, chain and two
Chain conveyer is formed between individual chain drum；Rotating the screw rod adjusted on each tensioning apparatus respectively can respectively drive corresponding chain drum along water
Square to relative motion, so as to can adjust the ultimate range between two chain drums, to meet tension row maximum when chain is transmitted
Journey.The pull head driven carriage of the present invention, using the design of screw rod and spring, can adjust in the horizontal direction between two chain drums away from
From, it is easy to operation, production is stable, effectively raises the automation transmission level of driven carriage, and substantially increases equipment
Production efficiency.
Although the description of this invention is carried out with reference to embodiments above, those skilled in the art
Member can carry out many replacements, modifications and variations, be obvious according to above-mentioned content.Therefore, it is all it is such substitute,
Improve and change is included in the spirit and scope of appended claims.
Claims (5)
1. a kind of pull head driven carriage, for multiple pull heads to be taken advantage of a situation transmission along the direction of the chain of an annular, it includes a car
Frame, is provided with the chain of annular on the vehicle frame, the pull head is separable to be fixed on the chain, it is characterised in that
Also include two tensioning apparatus that the vehicle frame two ends are arranged in mirror image, a chain is provided with each described tensioning apparatus
Disk, two chain drums are arranged in same level, and the chain engagement of annular is connected to the periphery of two chain drums
Place, between the chain and two chain drums Chain conveyer is formed；Two tensioning apparatus of regulation can drive respectively corresponding
The chain drum in the horizontal direction relative motion, meeting tension travel maximum when the chain is transmitted.
2. pull head driven carriage according to claim 1, it is characterised in that the tensioning apparatus includes：
The driven shaft that vertical direction is arranged, suit is provided with the chain drum on the driven shaft；
Two groups of screw rods that are being separately positioned on the driven shaft both sides and be arrangeding in parallel in the horizontal direction, per group of screw rod
Quantity is no less than 3；
Connect setting per group of screw rod with one end spring top board；
The PE guide pin bushings being sleeved on outside the screw rod；And
The spring being sleeved on outside the PE guide pin bushings.
3. pull head driven carriage according to claim 2, it is characterised in that also be arranged in parallel in the horizontal direction including two
Transverse plate, the two ends of the driven shaft are connected respectively with the middle part of the transverse plate and can be reciprocal along the transverse plate direction
Motion；Two first longitudinal direction plates and second longitudinal direction plate, two institutes are vertically connected between the end of two transverse plates
State first longitudinal direction plate to arrange near the spring, two second longitudinal direction plates are arranged away from the spring；Screw rod described in one group
Adjacent the first longitudinal direction plate and second longitudinal direction plate, screw rod described in another group is sequentially passed through sequentially to pass through other phase respectively respectively
The first longitudinal direction plate and second longitudinal direction plate of neighbour.
4. pull head driven carriage according to claim 3, it is characterised in that the first longitudinal direction plate and the spring top board
Separable on relative side wall to fix a PE guide pin bushing, the spring is sleeved on the outside of two PE guide pin bushings, described
Screw rod rotates institute sequentially through the PE guide pin bushings on the spring top board and first longitudinal direction plate, pass by the second longitudinal direction plate
Stating screw rod can change the distance between the spring top board and first longitudinal direction plate.
5. pull head driven carriage according to claim 4, it is characterised in that the chain drum is connected to by an adpting flange
On the driven shaft, be fixed by the first securing member between the chain drum and the adpting flange, the chain drum can along around
The driven shaft is rotated；The two ends of the driven shaft are connected respectively by a square connecting base bearing with the transverse plate, described
The two ends of driven shaft are fixed respectively between the corresponding connection bearing by the second securing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209744.XA CN106628864A (en) | 2016-12-23 | 2016-12-23 | Puller driven frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209744.XA CN106628864A (en) | 2016-12-23 | 2016-12-23 | Puller driven frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106628864A true CN106628864A (en) | 2017-05-10 |
Family
ID=58827627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611209744.XA Pending CN106628864A (en) | 2016-12-23 | 2016-12-23 | Puller driven frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106628864A (en) |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB424504A (en) * | 1933-09-06 | 1935-02-22 | Gardiner S Conveyors Ltd | Improvements in or relating to endless conveyors |
| GB722182A (en) * | 1950-12-06 | 1955-01-19 | Stephen Stewart Walde | Improvements in or relating to apparatus for washing and like treatment of hollow vessels |
| JPH02132011U (en) * | 1989-04-03 | 1990-11-02 | ||
| US5524725A (en) * | 1994-07-01 | 1996-06-11 | Arctco, Inc. | Automatic chain tension adjustor |
| CN2601397Y (en) * | 2003-03-04 | 2004-01-28 | 中国石油天然气股份有限公司 | Tension tester for transmission adhesive tape |
| CN101205964A (en) * | 2007-12-18 | 2008-06-25 | 上海人造板机器厂有限公司 | Tensioning mechanism of harrow for paving |
| CN201137681Y (en) * | 2007-08-01 | 2008-10-22 | 柳州市华力实业有限责任公司 | Chain tensioning compensation apparatus |
| CN201415863Y (en) * | 2009-05-27 | 2010-03-03 | 大连世达重工有限公司 | Chain conveyer tail automatic tensioning device |
| CN201517594U (en) * | 2009-10-13 | 2010-06-30 | 中国石油天然气集团公司 | Chain tension device for floating box-type amphibious driving chassis |
| CN201818746U (en) * | 2011-01-25 | 2011-05-04 | 洛阳升华感应加热有限公司 | Floating adjustment mechanism |
| CN102310988A (en) * | 2011-09-06 | 2012-01-11 | Mps肉类加工机械（北京）有限公司 | Novel tensioning transmission device |
| CN202296188U (en) * | 2011-09-30 | 2012-07-04 | 东莞市新泽谷机械制造股份有限公司 | Chain tightness adjusting device of plug-in device |
| CN202429648U (en) * | 2011-12-30 | 2012-09-12 | 福建联丰机械有限公司 | Synchronous tensioner of bucket elevator |
| CN202558197U (en) * | 2012-04-18 | 2012-11-28 | 青岛神舟锅炉辅机有限公司 | Lifting machine |
| CN103453092A (en) * | 2013-09-06 | 2013-12-18 | 鞍钢股份有限公司 | Chain tensioning device and method for slag raking machine |
| CN203667422U (en) * | 2013-12-19 | 2014-06-25 | 浙江楠宋瓷业有限公司 | Tensioning device of conveying chain |
| CN203822975U (en) * | 2014-02-26 | 2014-09-10 | 阳兴造机（昆山）有限公司 | Chain tensioner |
| CN204038416U (en) * | 2014-08-28 | 2014-12-24 | 福建省邵武市永飞化工有限公司 | A kind of chain tensioning mechanism being applied to bucket elevator |
| CN204606896U (en) * | 2015-05-06 | 2015-09-02 | 无锡市华天物流设备有限公司 | Compensation spring take-up |
| CN205350231U (en) * | 2016-02-15 | 2016-06-29 | 徐州徐工基础工程机械有限公司 | A overspeed device tensioner for chain drive |
| CN105905534A (en) * | 2016-05-27 | 2016-08-31 | 江苏新美星包装机械股份有限公司 | Driving device of barrel carrying frame in inner washing machine |
| CN106115148A (en) * | 2016-08-09 | 2016-11-16 | 无锡德林船舶设备有限公司 | Automatic goods shelf chain transmission tensioning device |
| CN205824072U (en) * | 2016-07-15 | 2016-12-21 | 北京起重运输机械设计研究院 | A kind of tensioner for sprocket wheel |
| CN206345346U (en) * | 2016-12-23 | 2017-07-21 | 广东成功自动化设备有限公司 | A kind of pull head driven carriage |
-
2016
- 2016-12-23 CN CN201611209744.XA patent/CN106628864A/en active Pending
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB424504A (en) * | 1933-09-06 | 1935-02-22 | Gardiner S Conveyors Ltd | Improvements in or relating to endless conveyors |
| GB722182A (en) * | 1950-12-06 | 1955-01-19 | Stephen Stewart Walde | Improvements in or relating to apparatus for washing and like treatment of hollow vessels |
| JPH02132011U (en) * | 1989-04-03 | 1990-11-02 | ||
| US5524725A (en) * | 1994-07-01 | 1996-06-11 | Arctco, Inc. | Automatic chain tension adjustor |
| CN2601397Y (en) * | 2003-03-04 | 2004-01-28 | 中国石油天然气股份有限公司 | Tension tester for transmission adhesive tape |
| CN201137681Y (en) * | 2007-08-01 | 2008-10-22 | 柳州市华力实业有限责任公司 | Chain tensioning compensation apparatus |
| CN101205964A (en) * | 2007-12-18 | 2008-06-25 | 上海人造板机器厂有限公司 | Tensioning mechanism of harrow for paving |
| CN201415863Y (en) * | 2009-05-27 | 2010-03-03 | 大连世达重工有限公司 | Chain conveyer tail automatic tensioning device |
| CN201517594U (en) * | 2009-10-13 | 2010-06-30 | 中国石油天然气集团公司 | Chain tension device for floating box-type amphibious driving chassis |
| CN201818746U (en) * | 2011-01-25 | 2011-05-04 | 洛阳升华感应加热有限公司 | Floating adjustment mechanism |
| CN102310988A (en) * | 2011-09-06 | 2012-01-11 | Mps肉类加工机械（北京）有限公司 | Novel tensioning transmission device |
| CN202296188U (en) * | 2011-09-30 | 2012-07-04 | 东莞市新泽谷机械制造股份有限公司 | Chain tightness adjusting device of plug-in device |
| CN202429648U (en) * | 2011-12-30 | 2012-09-12 | 福建联丰机械有限公司 | Synchronous tensioner of bucket elevator |
| CN202558197U (en) * | 2012-04-18 | 2012-11-28 | 青岛神舟锅炉辅机有限公司 | Lifting machine |
| CN103453092A (en) * | 2013-09-06 | 2013-12-18 | 鞍钢股份有限公司 | Chain tensioning device and method for slag raking machine |
| CN203667422U (en) * | 2013-12-19 | 2014-06-25 | 浙江楠宋瓷业有限公司 | Tensioning device of conveying chain |
| CN203822975U (en) * | 2014-02-26 | 2014-09-10 | 阳兴造机（昆山）有限公司 | Chain tensioner |
| CN204038416U (en) * | 2014-08-28 | 2014-12-24 | 福建省邵武市永飞化工有限公司 | A kind of chain tensioning mechanism being applied to bucket elevator |
| CN204606896U (en) * | 2015-05-06 | 2015-09-02 | 无锡市华天物流设备有限公司 | Compensation spring take-up |
| CN205350231U (en) * | 2016-02-15 | 2016-06-29 | 徐州徐工基础工程机械有限公司 | A overspeed device tensioner for chain drive |
| CN105905534A (en) * | 2016-05-27 | 2016-08-31 | 江苏新美星包装机械股份有限公司 | Driving device of barrel carrying frame in inner washing machine |
| CN205824072U (en) * | 2016-07-15 | 2016-12-21 | 北京起重运输机械设计研究院 | A kind of tensioner for sprocket wheel |
| CN106115148A (en) * | 2016-08-09 | 2016-11-16 | 无锡德林船舶设备有限公司 | Automatic goods shelf chain transmission tensioning device |
| CN206345346U (en) * | 2016-12-23 | 2017-07-21 | 广东成功自动化设备有限公司 | A kind of pull head driven carriage |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |