CN106184238B - Duplex type tail wheel mechanism device - Google Patents
Duplex type tail wheel mechanism device Download PDFInfo
- Publication number
- CN106184238B CN106184238B CN201610786387.7A CN201610786387A CN106184238B CN 106184238 B CN106184238 B CN 106184238B CN 201610786387 A CN201610786387 A CN 201610786387A CN 106184238 B CN106184238 B CN 106184238B
- Authority
- CN
- China
- Prior art keywords
- group
- wheel
- rope
- duplex type
- groups
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The present invention relates to a kind of duplex type tail wheel mechanism devices, including fixed chain, track, fast pulley group, sliding rail component, castor group, sheave group above and below duplex type, duplex type press rope wheel group, connecting steel wire ropes and two haulage cables, sliding rail component is fixedly connected with track, castor group has two groups, and it is connected respectively with corresponding sliding rail component slippage, sheave group and duplex type press rope wheel group are fixedly connected duplex type with track up and down, connecting steel wire ropes are fixedly connected with castor group, and pass through fast pulley group, the other end is fixedly connected with another castor group, one end of two haulage cables passes through duplex type sheave group and duplex type press rope wheel group up and down, and it is returned across corresponding castor group, it is then passed through duplex type sheave group and duplex type press rope wheel group up and down.The present invention realizes large-tonnage, remote and large conveying quantity Coal Transportation demand, and meets the operation demand of the complicated mine of coal mine high inclination-angle, changeable slope and more winding roadways.
Description
Technical field
The present invention relates to a kind of duplex type tail wheel mechanisms of Coal mine transportation system.
Background technology
In recent years, with the continuous quickening of coal mine modernization, the mechanical equipment volume applied to coal production is continuous
Increase, weight of equipment are continuously increased；And along with the continuous improvement of production technique, complicated seam exploitation is more and more, this is just anxious
A kind of new transporting equipment need to be worked out, underground coal mine super-tonnage, super remote can be solved under the premise of transportation safety first
Distance, super large freight volume, high inclination-angle, changeable slope, more winding roadways assistant conveyance tool.The traction of existing Coal mine transportation system
Vehicle can not meet existing demand.
Invention content
The purpose of the present invention is to provide a kind of realization large-tonnage, remote and large conveying quantity Coal Transportation demand, and meet
The duplex type tail wheel mechanism of the operation demand of the complicated mine of coal mine high inclination-angle, changeable slope and more winding roadways.
In order to achieve the above object, the technical scheme is that：A kind of duplex type tail wheel mechanism device, including fixed chain
Sheave group, duplex type press rope wheel group, connection steel wire above and below item, track, fast pulley group, sliding rail component, castor group, duplex type
Rope and two haulage cables, the fast pulley group are slidably connected with track, and fixed chain is fixedly connected with fast pulley group, described
Sliding rail component is fixedly connected with track, and castor group has two groups, and connects respectively with corresponding sliding rail component slippage
Connect, sheave group and duplex type press rope wheel group are fixedly connected duplex type with track up and down, one end of the connecting steel wire ropes with wherein
One castor group is fixedly connected, and across fast pulley group, and the other end is fixedly connected with another castor group, and described two are led
The one end for drawing steel wire rope passes through duplex type sheave group and duplex type press rope wheel group up and down, and return across corresponding castor group, then
Sheave group and duplex type press rope wheel group above and below across duplex type.
The fast pulley group includes fast pulley group mounting bracket, fast pulley group idler wheel and connecting steel wire ropes idler wheel, the fixation
Wheel group idler wheel and connecting steel wire ropes idler wheel are rotatablely connected with fast pulley group mounting bracket, and the fast pulley group idler wheel is rolled with track
Connection, the connecting steel wire ropes pass through connecting steel wire ropes idler wheel.
The sliding rail component includes two pieces of connecting plates and two sliding rails, and two pieces of connecting plates are fixedly connected with
Portion in orbit, two sliding rails are fixedly connected by two pieces of connecting plates, and positioned at track both sides, and the castor group includes
Castor mounting bracket, castor group idler wheel and haulage cable idler wheel, castor group idler wheel and haulage cable idler wheel with work
Driving wheel mounting bracket is rotatablely connected, and the castor group idler wheel of two groups of castor groups slides respectively with corresponding two sliding rails
Connection, and two haulage cables are passed through from corresponding haulage cable idler wheel.
Sheave group has two groups, and be separately mounted to the upper and lower part of track to the duplex type up and down, on the duplex type
Lower sheave group includes conductor rope wheel carrier and four groups of position-limited wheel groups, and four groups of position-limited wheel groups are connect, and described with conductor rope wheel carrier
The two main ropes and two secondary ropes of two haulage cables are passed through from four groups of position-limited wheel groups respectively.
The duplex type press rope wheel group includes two groups, and is separately mounted to the both sides of track, and duplex type press rope wheel group includes pressure and restricts
Wheel carrier, main rope press rope wheel group and secondary rope press rope wheel group, main rope press rope wheel group and secondary rope press rope wheel group are connect with press rope wheel frame, institute
It states main rope press rope wheel group and includes two groups of elasticity pressure rope components, pair rope press rope wheel group includes two groups of clamping pressure rope components, two groups of clampings
Pressure rope component is located at main rope press rope wheel group both sides.
Duplex type bend wheel group is also fixedly connected on the track, duplex type bend wheel group includes bend wheel carrier, first group of limit
Position wheel group, second group of position-limited wheel group and third group position-limited wheel group, three groups of position-limited wheel groups are connect with bend wheel carrier, second group of position-limited wheel
Group is between first group of position-limited wheel group and third group position-limited wheel group, wherein the main rope of a haulage cable is from first group of limiting
It is passed through between wheel group and second group of position-limited wheel group, pair rope is passed through from first group of position-limited wheel group, the main rope of another haulage cable
It is passed through between second group of position-limited wheel group and third group position-limited wheel group, pair rope is passed through from third group position-limited wheel group.
With the above structure, fixation chain of the invention is connected on the fixation anchor of mine laneway, for fixed
Wheel group, and two groups of castor groups are connected by connecting steel wire ropes, and castor group can be in corresponding sliding rail component
Upper slip, two groups of castor groups can mutually adjust position according to the pulling force of two haulage cables.And it is led with two
Draw steel wire rope, one end of two haulage cables passes through duplex type sheave group and duplex type press rope wheel group up and down, and across accordingly
Castor group returns, and is then passed through duplex type sheave group and duplex type press rope wheel group up and down.Therefore the tractive force of two traction ropes is big, long
Degree length, realizes large-tonnage, and remote and large conveying quantity Coal Transportation demand meets coal mine high inclination-angle, changeable slope and is bent lane more
The complicated track circuit in road.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is fast pulley group schematic diagram in Fig. 1；
Fig. 4 is the castor group schematic diagram of Fig. 2；
Fig. 5 is sheave group schematic diagram above and below the duplex type of Fig. 2；
Fig. 6 is the left view of Fig. 5, and rotates counterclockwise 90 °；
Fig. 7 is duplex type press rope wheel group schematic diagram in Fig. 2；
Fig. 8 is the duplex type bend wheel group schematic diagram of Fig. 2；
Fig. 9 is the left view of Fig. 8, and rotates counterclockwise 90 °.
Specific embodiment
The present invention is described in further detail for the embodiment provided below in conjunction with attached drawing.
Referring to shown in Fig. 1-9, a kind of duplex type tail wheel mechanism device including fixed chain 1, track 2, fast pulley group 3, slides
Sheave group 6, duplex type press rope wheel group 7, connecting steel wire ropes 8 and two traction steel wires above and below rail assembly 4, castor group 5, duplex type
Rope 9, the fast pulley group 3 is slidably connected with track 2, and fixed chain 1 is fixedly connected with fast pulley group 3, the sliding rail group
Part 4 is fixedly connected with track 2, and castor group 5 has two groups, and is slidably connected respectively with corresponding sliding rail component 4, duplex type
Upper and lower sheave group 6 and duplex type press rope wheel group 7 are fixedly connected with track 2, one end of the connecting steel wire ropes 8 and one of them
Castor group 5 is fixedly connected, and across fast pulley group 3, and the other end is fixedly connected with another castor group 5, and described two are led
The one end for drawing steel wire rope 9 passes through duplex type sheave group 6 and duplex type press rope wheel group 7, and returned across corresponding castor group 5 up and down
It returns, is then passed through duplex type sheave group 6 and duplex type press rope wheel group 7 up and down.
Shown in Figure 3, the fast pulley group 3 includes fast pulley group mounting bracket 31, fast pulley group idler wheel 32 and connection steel
Cord idler wheel 33, the fast pulley group idler wheel 32 and connecting steel wire ropes idler wheel 33 are rotatablely connected with fast pulley group mounting bracket 31,
The fast pulley group idler wheel 32 is rolled with track 2 and is connected, and the connecting steel wire ropes 8 pass through connecting steel wire ropes idler wheel 33.Fast pulley
Group 3 is connected to by fixed chain 1 on the fixation anchor of mine laneway, and fast pulley group 3 is mainly installed connecting steel wire ropes 8 and used, Gu
Fixed wheel group 3 can be slided on track 2, for adjusting the tension variations of two haulage cables 9.
Referring to shown in Fig. 2 and 4, the sliding rail component 4 includes two pieces of connecting plates 41 and two sliding rails 42, described
Two pieces of connecting plates 41 are fixedly connected on 2 top of track, and two sliding rails 42 are fixedly connected, and position by two pieces of connecting plates 41
In 2 both sides of track, the castor group 5 includes castor mounting bracket 51, castor group idler wheel 52 and haulage cable idler wheel 53,
Castor group idler wheel 52 and haulage cable idler wheel 53 are rotatablely connected with castor mounting bracket 51, two groups of castor groups 5
Castor group idler wheel 52 be slidably connected respectively with corresponding two sliding rails 42, and two haulage cables 9 are from corresponding
Haulage cable idler wheel 53 passes through.This mounting structure can adjust the pulling force of two haulage cables 9, when wherein one traction
The pulling force of steel wire rope 9 is excessive, and the castor group 5 of the root haulage cable 9 connection will be and another as shown in Fig. 2, move right
Root haulage cable 9 connect castor group 5 will be moved to the left, ensure trailer wagon can trouble-free operation, meet two lead
Draw the design of steel wire rope 9.
Referring to shown in Fig. 5,6, sheave group 6 has two groups to the duplex type up and down, and be separately mounted to track 2 top and
Lower part, sheave group 6 includes conductor rope wheel carrier 61 and four groups of position-limited wheel groups 62 to the duplex type up and down, and four groups of position-limited wheel groups 62 are equal
It is connect with conductor rope wheel carrier 61, and two main ropes 95 of two haulage cables 9 and two secondary ropes 96 are respectively from four groups of limitings
It is passed through in wheel group 62.After passing through castor group 5 due to two haulage cables 9, four will be become, the upper and lower conductor rope of two groups of duplex types
The top that four steel wire ropes can will be directed to track 2 by the design of wheel group 6 from the lower part of track 2 simultaneously.
Shown in Figure 7, the duplex type press rope wheel group 7 includes two groups, and is separately mounted to the both sides of track 2, duplex type pressure
Pulley set 7 includes press rope wheel frame 71, main rope press rope wheel group 72 and secondary rope press rope wheel group 73, main rope press rope wheel group 72 and secondary rope pressure rope
Wheel group 73 is connect with press rope wheel frame 71, and the main rope press rope wheel group 72 includes two groups of elasticity pressure rope components 721, pair rope press rope wheel
Group 73 includes two groups of clamping pressure rope components 731, and two groups of clamping pressure rope components 731 are located at main 72 both sides of rope press rope wheel group.Duplex type pressure
Pulley set 7 is evenly spaced in the top of track 2, for two haulage cables 9 to be arranged along track 2, for limiting two
Haulage cable 9.
Referring to duplex type bend wheel group 10 is also fixedly connected with shown in Fig. 8,9, on the track, duplex type bend wheel group 10 includes
11, first groups of position-limited wheel groups 12 of bend wheel carrier, second group of position-limited wheel group 13 and third group position-limited wheel group 14, three groups of position-limited wheel groups with
Bend wheel carrier 11 connects, second group of position-limited wheel group 13 between first group of position-limited wheel group 12 and third group position-limited wheel group 14,
In the main rope 95 of a haulage cable 9 passed through between first group of position-limited wheel group 12 and second group of position-limited wheel group 13, pair rope 96
It is passed through from first group of position-limited wheel group 12, the main rope 95 of another haulage cable 9 is limited from second group of position-limited wheel group 13 and third group
It is passed through between position wheel group 14, pair rope 96 is passed through from third group position-limited wheel group 14.Duplex type bend wheel group 10 is arranged on turning for track 2
Crook, for limiting two haulage cables 9 at the turning of track 2 without departing from track 2.
For the present invention in use, the present invention is designed, while pull trailer wagon using two haulage cables 9, tractive force is big,
Length is long, realizes large-tonnage, and remote and large conveying quantity Coal Transportation demand meets coal mine high inclination-angle, changeable slope and more bendings
The complicated track circuit in tunnel.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. a kind of duplex type tail wheel mechanism device, it is characterised in that：Including fixed chain (1), track (2), fast pulley group (3), slide
Move rail assembly (4), castor group (5), duplex type up and down sheave group (6), duplex type press rope wheel group (7), connecting steel wire ropes (8) and
Two haulage cables (9), the fast pulley group (3) are slidably connected with track (2), and fixed chain (1) and fast pulley group (3) are solid
Fixed connection, the sliding rail component (4) are fixedly connected with track (2), castor group (5) with two groups, and respectively with accordingly
Sliding rail component (4) be slidably connected, duplex type up and down sheave group (6) and duplex type press rope wheel group (7) with track (2) fixation
Connection, one end of the connecting steel wire ropes (8) are fixedly connected with one of castor group (5), and pass through fast pulley group (3),
The other end is fixedly connected with another castor group (5), and one end of two haulage cables (9) passes through duplex type conductor rope up and down
Wheel group (6) and duplex type press rope wheel group (7), and returned across corresponding castor group (5), it is then passed through duplex type sheave group up and down
(6) and duplex type press rope wheel group (7).
2. duplex type tail wheel mechanism device according to claim 1, it is characterised in that：The fast pulley group (3) is including fixation
Wheel group mounting bracket (31), fast pulley group idler wheel (32) and connecting steel wire ropes idler wheel (33), the fast pulley group idler wheel (32) and company
It connects steel wire rope idler wheel (33) to be rotatablely connected with fast pulley group mounting bracket (31), the fast pulley group idler wheel (32) and track (2)
Connection is rolled, the connecting steel wire ropes (8) are across connecting steel wire ropes idler wheel (33).
3. duplex type tail wheel mechanism device according to claim 1, it is characterised in that：The sliding rail component (4) includes
Two pieces of connecting plates (41) and two sliding rails (42), two pieces of connecting plates (41) are fixedly connected on track (2) top, and two
Root sliding rail (42) is fixedly connected by two pieces of connecting plates (41), and positioned at track (2) both sides, castor group (5) packet
It includes castor mounting bracket (51), castor group idler wheel (52) and haulage cable idler wheel (53), castor group idler wheel (52) and leads
Draw steel wire rope idler wheel (53) to be rotatablely connected with castor mounting bracket (51), the castor group rolling of two groups of castor groups (5)
Wheel (52) is slidably connected respectively with corresponding two sliding rails (42), and two haulage cables (9) draw steel from corresponding
Cord idler wheel (53) passes through.
4. duplex type tail wheel mechanism device according to claim 1, it is characterised in that：Sheave group (6) above and below the duplex type
With two groups, and the upper and lower part of track (2) is separately mounted to, sheave group (6) includes conductor rope wheel carrier to the duplex type up and down
(61) and four groups of position-limited wheel groups (62), four groups of position-limited wheel groups (62) connect with conductor rope wheel carrier (61), and described two are led
The two main ropes (95) and two secondary ropes (96) for drawing steel wire rope (9) pass through from four groups of position-limited wheel groups (62) respectively.
5. duplex type tail wheel mechanism device according to claim 1, it is characterised in that：The duplex type press rope wheel group (7) includes
Two groups, and the both sides of track (2) are separately mounted to, duplex type press rope wheel group (7) includes press rope wheel frame (71), main rope press rope wheel group
(72) connect with pair rope press rope wheel group (73), main rope press rope wheel group (72) and secondary rope press rope wheel group (73) with press rope wheel frame (71)
It connects, the main rope press rope wheel group (72) includes two groups of elasticity pressure rope components (721), and pair rope press rope wheel group (73) includes two groups of clampings
Pressure rope component (731), two groups of clamping pressure rope components (731) are positioned at main rope press rope wheel group (72) both sides.
6. duplex type tail wheel mechanism device according to claim 1, it is characterised in that：It is also fixedly connected on the track double
Bend wheel group of restricting (10), duplex type bend wheel group (10) include bend wheel carrier (11), first group of position-limited wheel group (12), second group of limiting
Wheel group (13) and third group position-limited wheel group (14), three groups of position-limited wheel groups are connect with bend wheel carrier (11), second group of position-limited wheel group
(13) between first group of position-limited wheel group (12) and third group position-limited wheel group (14), wherein the master of a haulage cable (9)
Rope (95) passes through between first group of position-limited wheel group (12) and second group of position-limited wheel group (13), and secondary restrict (96) are from first group of position-limited wheel
Group (12) passes through, and the main rope (95) of another haulage cable (9) is from second group of position-limited wheel group (13) and third group position-limited wheel group
(14) it is passed through between, pair rope (96) is passed through from third group position-limited wheel group (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786387.7A CN106184238B (en) | 2016-08-30 | 2016-08-30 | Duplex type tail wheel mechanism device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786387.7A CN106184238B (en) | 2016-08-30 | 2016-08-30 | Duplex type tail wheel mechanism device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106184238A CN106184238A (en) | 2016-12-07 |
| CN106184238B true CN106184238B (en) | 2018-06-29 |
Family
ID=58087591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610786387.7A Active CN106184238B (en) | 2016-08-30 | 2016-08-30 | Duplex type tail wheel mechanism device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106184238B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455201A (en) * | 2018-02-10 | 2018-08-28 | 常州御发工矿设备有限公司 | The mobile tail wheel mechanism of duplex type Coal mine transportation system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4473011A (en) * | 1981-03-14 | 1984-09-25 | Phb Weserhutte Ag | Circulating aerial ropeway and car therefor |
| WO2000068057A1 (en) * | 1999-05-11 | 2000-11-16 | Roberto Impero | Power and free conveyer system using a towing cable |
| CN101659259A (en) * | 2009-10-01 | 2010-03-03 | 常州科研试制中心有限公司 | Double-rope drawing endless rope continuous traction system |
| CN102152789A (en) * | 2009-10-01 | 2011-08-17 | 常州科研试制中心有限公司 | Traction balancing device of double-rope hauled endless rope continuous traction system |
| CN201963353U (en) * | 2011-01-18 | 2011-09-07 | 河北同成矿业科技有限公司 | Continuous transportation device in steel wire rope transportation |
| CN202753957U (en) * | 2012-08-04 | 2013-02-27 | 阳泉阳煤中小企业投资管理集团第七有限公司 | Frequency conversion endless rope continuous tractor |
| CN206327356U (en) * | 2016-08-30 | 2017-07-14 | 常州御发工矿设备有限公司 | A kind of duplex type tail wheel mechanism device |
-
2016
- 2016-08-30 CN CN201610786387.7A patent/CN106184238B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4473011A (en) * | 1981-03-14 | 1984-09-25 | Phb Weserhutte Ag | Circulating aerial ropeway and car therefor |
| WO2000068057A1 (en) * | 1999-05-11 | 2000-11-16 | Roberto Impero | Power and free conveyer system using a towing cable |
| CN101659259A (en) * | 2009-10-01 | 2010-03-03 | 常州科研试制中心有限公司 | Double-rope drawing endless rope continuous traction system |
| CN102152789A (en) * | 2009-10-01 | 2011-08-17 | 常州科研试制中心有限公司 | Traction balancing device of double-rope hauled endless rope continuous traction system |
| CN201963353U (en) * | 2011-01-18 | 2011-09-07 | 河北同成矿业科技有限公司 | Continuous transportation device in steel wire rope transportation |
| CN202753957U (en) * | 2012-08-04 | 2013-02-27 | 阳泉阳煤中小企业投资管理集团第七有限公司 | Frequency conversion endless rope continuous tractor |
| CN206327356U (en) * | 2016-08-30 | 2017-07-14 | 常州御发工矿设备有限公司 | A kind of duplex type tail wheel mechanism device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106184238A (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201660390U (en) | Tensioning device of stepless rope winch system | |
| CN104791003A (en) | Big-gradient crossheading step-forward self-moving equipment train | |
| CN106335514B (en) | Duplex type draws overhead trolley system | |
| CN106184238B (en) | Duplex type tail wheel mechanism device | |
| CN206327356U (en) | A kind of duplex type tail wheel mechanism device | |
| CN102745205A (en) | Mechanical system of endless rope mechanical speed regulating winch system | |
| CN202829249U (en) | Mechanical system of continuous rope mechanical speed-adjusting winch system | |
| CN206171450U (en) | Dual -rope pulls overhead monorail system | |
| CN103264700A (en) | Mineral rope traction remote control auxiliary transportation device | |
| CN106428613A (en) | Vehicle-mounted height-adjustable escalator for airports | |
| CN203667819U (en) | Large-dip angle lane monorail crane transporting device | |
| CN204627663U (en) | Heavy grade crossheading is taken a step from moving device train | |
| CN207241726U (en) | A kind of mining narrow gage vehicle double rail device | |
| CN203427789U (en) | Turnout rope pressing apparatus of endless rope | |
| CN106184240B (en) | The duplex type tractor of Coal mine transportation system | |
| CN204642952U (en) | The long distance rope traction system of sealing-tape machine multiple spot assistive drive | |
| CN101607633B (en) | Combined supporting device for chain type rope way | |
| CN207595981U (en) | A kind of novel turnover machine | |
| CN103088730B (en) | Translation type turnout junction used for drawing distant controlled auxiliary transport equipment by mining rope | |
| CN205440344U (en) | Mining aerial cableway knick point protection device that falls to restrict | |
| CN205573946U (en) | Uncouple in undulation lane endless rope hoist's fork | |
| CN208054779U (en) | A kind of SQ-1200 endless rope series tractor transportation system turning wheel | |
| CN103552562A (en) | Device for statically getting on and off monkey vehicle in coal mine cableway | |
| CN206842882U (en) | Tractor with driver's cabin | |
| CN204096517U (en) | The stretching device of Coal mine transportation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190605 Address after: 213000 No. 10 Wangtian Road, Airport Industrial Park, Luoxi Town, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Changzhou Hongdi Coal Mine Equipment Technology Co., Ltd. Address before: 213000 No. 10 Wangtian Road, Airport Industrial Park, Luoxi Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Changzhou Yufa Mining Equipment Co., Ltd. |