CN204113317U - High inclination-angle hydraulic shield support - Google Patents
High inclination-angle hydraulic shield support Download PDFInfo
- Publication number
- CN204113317U CN204113317U CN201420482388.9U CN201420482388U CN204113317U CN 204113317 U CN204113317 U CN 204113317U CN 201420482388 U CN201420482388 U CN 201420482388U CN 204113317 U CN204113317 U CN 204113317U
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- hole
- strip
- slide unit
- caving shield
- bearing pin
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- 230000000694 effects Effects 0.000 abstract description 5
- 239000003245 coal Substances 0.000 description 33
- 238000005065 mining Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002153 concerted effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of high inclination-angle hydraulic shield support, slide unit is provided with telescopic column one, front rod and back link is provided with in slide unit, front rod and back link and slide unit are fixed, front rod and back link are connected with caving shield, caving shield is connected with back timber, back timber is connected with telescopic column one, slide unit is provided with hydraulic pump, caving shield is provided with strip through-hole one, back timber is provided with strip through-hole two, alignment pin is provided with in strip through-hole one, alignment pin is through strip through-hole one and strip through-hole two, back timber and caving shield are provided with arc-shaped through-hole, arc-shaped through-hole is communicated with strip through-hole one or strip through-hole two, caving shield is fixed with telescopic column two, telescopic column two and caving shield are fixed, the other end and back timber are fixed, hydraulic pump is communicated with telescopic column two inside.This hydraulic support, by improving the syndeton of back timber and caving shield, can adapt to the change of seam inclination angle, reaches the contact of maximum area, ensures that support effect is best.
Description
Technical field
The utility model relates to a kind of support, especially relates to a kind of high inclination-angle hydraulic shield support.
Background technology
Hydraulic support is used to the works controlling coal-face mine pressure.Adopt the form of carrying beyond the pressure of ore deposit, face to act on hydraulic support.At hydraulic support and adopting in the interactional mechanical system of face country rock, if each supporting member of hydraulic support is made a concerted effort, make a concerted effort just in time same straight line in outer year of acting on top board on hydraulic support, then this hydraulic support is adopted face country rock and extremely adapted to this.Hydraulic support is that a kind of fluid pressure generation support force that utilizes also realizes automatically moving a kind of hydraulic power unit of establishing to carry out roof timbering and management, is the indispensable corollary equipment of comprehensive mechanical coal mining.The longwall full-mechanized mining technique work plane that the gently inclined thick coal seam that hydraulic support is mainly used in horizontal plane and is less than or equal to 10 degree is exploited along base plate Sub-Level Caving mining full height, is also applicable to severe inclined thick coal seam horizontal slice caving fully mechanized face.Hydraulic support in length and breadth to good stability, barrier propterty is strong, and advancing velocity is fast, to top board strong adaptability.Hydraulic support is when supporting coal seam, along with the exploitation in coal seam, the thickness in coal seam and surface angle are all changing, this just requires that hydraulic support needs the moment to carry out the change of angle, to tackle the change in coal seam, large-area contact is carried out to coal seam, traditional hydraulic support is mainly used in horizontal plane and is less than or equal to the gently inclined thick coal seam of 10 degree, after the angle of inclination in coal seam is greater than 10 degree, just cause the contact area in hydraulic support and coal seam little, hydraulic support cannot reach maximum support angle, just easily causes security incident when exploiting.
Utility model content
The purpose of this utility model is that overcoming above-mentioned existing hydraulic support causes too greatly the contact area in hydraulic support and coal seam little in the recovery process medium dip angle of gently inclined thick coal seam, hydraulic support cannot reach the problem of maximum support angle, devise a kind of high inclination-angle hydraulic shield support, this hydraulic support is by improving the syndeton of back timber and caving shield, the angle of back timber and caving shield is made to carry out maximized adjustment, the change of seam inclination angle can be adapted to, reach the contact of maximum area, guarantee support effect is best, solving existing hydraulic support causes too greatly the contact area in hydraulic support and coal seam little in the recovery process medium dip angle of gently inclined thick coal seam, hydraulic support cannot reach the problem of maximum support angle.
The purpose of this utility model is achieved through the following technical solutions: high inclination-angle hydraulic shield support, comprise slide unit, the top end face of described slide unit is provided with telescopic column one, the bottom of telescopic column one and the top end face of slide unit are fixed, front rod and back link is provided with in slide unit, and the bottom of the bottom of front rod and back link is all fixed with slide unit, the top of front rod and the top of back link are all connected with caving shield, caving shield is arranged on above slide unit, caving shield is connected with back timber, back timber is connected with the top of telescopic column one, back timber is arranged on the top of slide unit, slide unit is provided with hydraulic pump, hydraulic pump is communicated with telescopic column one inside, the top of described caving shield is arranged in back timber, caving shield is provided with strip through-hole one, and strip through-hole one is arranged in the part that caving shield is arranged in back timber, strip through-hole one is arranged on the top of the junction of front rod and back link and caving shield, back timber is provided with strip through-hole two, and strip through-hole two is arranged in the back timber part overlapping with caving shield, strip through-hole one and strip through-hole two are parallel to each other, alignment pin is provided with in strip through-hole one, alignment pin is simultaneously through strip through-hole one and strip through-hole two, and alignment pin can move in strip through-hole one and strip through-hole two, back timber and caving shield are provided with arc-shaped through-hole, arc-shaped through-hole is communicated with corresponding strip through-hole one or strip through-hole two, and the center line of the center line of arc-shaped through-hole with corresponding strip through-hole one or the central axis of strip through-hole two, the center line of strip through-hole one or the center line of strip through-hole two pass the center of corresponding arc-shaped through-hole, caving shield is fixed with telescopic column two, telescopic column two one end and caving shield are fixed, the other end and back timber are fixed, and hydraulic pump is communicated with telescopic column two inside, telescopic column two is arranged on the top of slide unit.
The below of described slide unit is provided with base, base is provided with slide rail, slide rail is fixed on the top end face of base, the bottom indent of slide unit forms chute, slide rail is arranged in chute, and slide unit can move horizontally along the centerline direction of slide rail, the concave side wall of slide unit forms several through holes, through hole is communicated with slide rail, the sidewall of slide rail is provided with through hole, the sidewall of base is provided with location-plate, the sidewall of location-plate one end and base is fixed, the other end is through being arranged in corresponding through hole after through hole, location-plate is provided with spring, spring one end and location-plate are fixed, the sidewall of the other end and base is fixed.
Be provided with bearing pin one between described caving shield and front rod, bearing pin one is simultaneously through caving shield and front rod, and caving shield and front rod all can rotate around bearing pin one; Be provided with bearing pin two between described caving shield and back link, bearing pin two is simultaneously through caving shield and back link, and caving shield and back link all can rotate around bearing pin two; Be provided with bearing pin three between described back link and slide unit, bearing pin San Tong method is through back link and slide unit, and back link and slide unit can rotate around bearing pin three; Described slide unit is provided with rotating shaft, rotating shaft is arranged on the top end face of slide unit, and rotating shaft can be rotated on slide unit around himself axis, is provided with bearing pin four between rotating shaft and front rod, bearing pin four is simultaneously through rotating shaft and front rod, and front rod can along with bearing pin four be around axis of rotation.
In sum, the beneficial effects of the utility model are: this hydraulic support is by improving the syndeton of back timber and caving shield, the angle of back timber and caving shield is made to carry out maximized adjustment, the change of seam inclination angle can be adapted to, reach the contact of maximum area, guarantee support effect is best, solving existing hydraulic support causes too greatly the contact area in hydraulic support and coal seam little in the recovery process medium dip angle of gently inclined thick coal seam, and hydraulic support cannot reach the problem of maximum support angle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding component title in accompanying drawing: 1-back timber; 2-telescopic column two; 3-arc-shaped through-hole; 4-strip through-hole two; 5-alignment pin; 6-strip through-hole one; 7-bearing pin one; 8-front rod; 9-bearing pin two; 10-caving shield; 11-back link; 12-bearing pin four; 13-bearing pin three; 14-spring; 15-rotating shaft; 16-through hole; 17-through hole; 18-location-plate; 19-base; 20-slide rail; 21-chute; 22-towing plate; 23-slide unit; 24-hydraulic pump; 25-telescopic column one.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.
Embodiment 1:
As shown in Figure 1, high inclination-angle hydraulic shield support, comprise slide unit 23, the top end face of described slide unit 23 is provided with telescopic column 1, the bottom of telescopic column 1 and the top end face of slide unit 23 are fixed, front rod 8 and back link 11 is provided with in slide unit 23, and the bottom of the bottom of front rod 8 and back link 11 is all fixed with slide unit 23, the top of front rod 8 and the top of back link 11 are all connected with caving shield 10, caving shield 10 is arranged on above slide unit 23, caving shield 10 is connected with back timber 1, back timber 1 is connected with the top of telescopic column 1, back timber 1 is arranged on the top of slide unit 23, slide unit 23 is provided with hydraulic pump 24, hydraulic pump 24 is communicated with telescopic column 1 inside, the top of described caving shield 10 is arranged in back timber 1, caving shield 10 is provided with strip through-hole 1, and strip through-hole 1 is arranged in the part that caving shield 10 is arranged in back timber 1, strip through-hole 1 is arranged on the top of the junction of front rod 8 and back link 11 and caving shield 10, back timber 1 is provided with strip through-hole 24, and strip through-hole 24 is arranged in back timber 1 part overlapping with caving shield 10, strip through-hole 1 and strip through-hole 24 are parallel to each other, alignment pin 5 is provided with in strip through-hole 1, alignment pin 5 is simultaneously through strip through-hole 1 and strip through-hole 24, and alignment pin 5 can move in strip through-hole 1 and strip through-hole 24, back timber 1 with caving shield 10 are provided with arc-shaped through-hole 3, arc-shaped through-hole 3 is communicated with corresponding strip through-hole 1 or strip through-hole 24, and the center line of the center line of arc-shaped through-hole 3 with corresponding strip through-hole 1 or the central axis of strip through-hole 24, the center line of strip through-hole 1 or the center line of strip through-hole 24 pass the center of corresponding arc-shaped through-hole 3, caving shield 10 is fixed with telescopic column 22, telescopic column 22 one end and caving shield 10 are fixed, the other end and back timber 1 are fixed, and hydraulic pump 24 is communicated with telescopic column 22 inside, telescopic column 22 is arranged on the top of slide unit 23.In the exploitation in coal seam, because the situation of seam mining is different, coal seam is different relative to the angle of inclination of hydraulic support, some angles of inclination have exceeded 10 degree, contact like this with regard to causing hydraulic support and coal seam does not reach best contact condition, the coal seam when exploiting is made to occur the situation of landslide, so in the technical program, by back timber 1 and caving shield 10 part fit overlap, utilize the strip through-hole 1 and strip through-hole 24 that arrange, connected by alignment pin 5, alignment pin 5 is utilized to move in strip through-hole 1 and strip through-hole 24 and arc-shaped through-hole 3, change the angle between back timber 1 and caving shield 10, make back timber 1 more with the contact area in coal seam, the actuating unit that telescopic column 22 changes as the angle promoted between back timber 1 and caving shield 10, angle between back timber 1 and caving shield 10 is changed more accurately reach, hydraulic support can contact with coal seam rapidly, the hydraulic support of this programme can adapt to 25 degree to 45 degree large-inclination-angle coal bed combining and adopt supporting, and have antiskid function concurrently, this hydraulic support is by improving the syndeton of back timber and caving shield, the angle of back timber and caving shield is made to carry out maximized adjustment, the change of seam inclination angle can be adapted to, reach the contact of maximum area, guarantee support effect is best, solving existing hydraulic support causes too greatly the contact area in hydraulic support and coal seam little in the recovery process medium dip angle of gently inclined thick coal seam, hydraulic support cannot reach the problem of maximum support angle.
The below of described slide unit 23 is provided with base 19, base 19 is provided with slide rail 20, slide rail 20 is fixed on the top end face of base 19, the bottom indent of slide unit 23 forms chute 21, slide rail 20 is arranged in chute 21, and slide unit 23 can move horizontally along the centerline direction of slide rail 20, the concave side wall of slide unit 23 forms several through holes 17, through hole 17 is communicated with slide rail 20, the sidewall of slide rail 20 is provided with through hole 16, the sidewall of base 19 is provided with location-plate 18, the sidewall of location-plate 18 one end and base 19 is fixed, the other end is through being arranged in corresponding through hole 16 after through hole 17, location-plate 18 is provided with spring 14, spring 14 one end and location-plate 18 are fixed, the sidewall of the other end and base 19 is fixed.Hydraulic support is fixed on a certain position by base and supports, coal excavation apparatus carries out digging to coal seam, after the coal seam at this place reaches maximum degree of excavating, need to move horizontally hydraulic support, change the contact position in hydraulic support and coal seam, by being arranged on towing plate 22 on slide unit 23 as permanent position, then slide unit 23 is pulled to move with haulage gear, back timber 1 is contacted with precalculated position gradually, in traditional hydraulic support, after slide unit 23 moves, due to reaction force or other factors in back timber 1 and coal seam, back timber 1 is caused easily to cause slide unit 23 to occur back skating, even operationally there is the phenomenon be shifted, this is breakneck phenomenon in coal mining, easily cause landslide, the technical program is in order to overcome this phenomenon, so arrange location-plate 18 to realize location on slide unit 23 and base 19, prevent naturally sliding of slide unit 23, after slide unit 23 position is fixing, location-plate 18 one end is fixed with base 19, the other end realizes location by extending in through hole 17 and through hole 16 simultaneously, prevent slide unit 23 along the slip of slide rail 20, this time, spring 14 was in nature retracted position, when needs Mobile Slide 23, location-plate 18 is shifted out from through hole 17 and through hole 16, slide unit 23 just can move along slide rail 20, now spring 14 is in extended state, after moving to suitable distance, by location-plate 18 aligned through holes 17, under the return effect of spring 14, location-plate 18 is stretched in corresponding through hole 16, the position of locking slide unit 23 and base 19, realize location, because location-plate 18 extend in hole, achieve the slip blocking slide unit, even if back timber 1 is subject to reaction force, slide unit 23 also can not move relative to base 19, safer, this hydraulic support utilizes location-plate to be inserted in hole, utilize the elastic reaction of spring 14, position after moving is completely fixed, there will not be the problem of back skating or displacement, enough support forces can be born.
Be provided with bearing pin 1 between described caving shield 10 and front rod 8, bearing pin 1 is simultaneously through caving shield 10 and front rod 8, and caving shield 10 and front rod 8 all can rotate around bearing pin 1; Be provided with bearing pin 29 between described caving shield 10 and back link 11, bearing pin 29 is simultaneously through caving shield 10 and back link 11, and caving shield 10 and back link 11 all can rotate around bearing pin 29; Be provided with bearing pin 3 13 between described back link 11 and slide unit 23, bearing pin 3 13 is simultaneously through back link 11 and slide unit 23, and back link 11 and slide unit 23 can rotate around bearing pin 3 13; Described slide unit 23 is provided with rotating shaft 15, rotating shaft 15 is arranged on the top end face of slide unit 23, and rotating shaft 15 can be rotated on slide unit 23 around himself axis, bearing pin 4 12 is provided with between rotating shaft 15 and front rod 8, bearing pin 4 12 is simultaneously through rotating shaft 15 and front rod 8, and front rod 8 can rotate around rotating shaft 15 along with bearing pin 4 12.Bearing pin 1, bearing pin 29, bearing pin 3 13 are linked and rotate, make the height of hydraulic support can carry out adjusting to suitable angle and highly contacting support to coal seam, the setting of multiple bearing pin, when carrying out contact and supporting, realize self-align, more stable during work.
The above; it is only preferred embodiment of the present utility model; not any pro forma restriction is done to the utility model; every according to technology of the present utility model, method in fact to any simple modification, equivalent variations that above embodiment is done, all fall within protection domain of the present utility model.
Claims (3)
1. high inclination-angle hydraulic shield support, it is characterized in that: comprise slide unit (23), the top end face of described slide unit (23) is provided with telescopic column one (25), the bottom of telescopic column one (25) and the top end face of slide unit (23) are fixed, front rod (8) and back link (11) is provided with in slide unit (23), and the bottom of the bottom of front rod (8) and back link (11) is all fixed with slide unit (23), the top of front rod (8) and the top of back link (11) are all connected with caving shield (10), caving shield (10) is arranged on slide unit (23) top, caving shield (10) is connected with back timber (1), back timber (1) is connected with the top of telescopic column one (25), back timber (1) is arranged on the top of slide unit (23), slide unit (23) is provided with hydraulic pump (24), hydraulic pump (24) is communicated with telescopic column one (25) inside, the top of described caving shield (10) is arranged in back timber (1), caving shield (10) is provided with strip through-hole one (6), and strip through-hole one (6) is arranged in the part that caving shield (10) is arranged in back timber (1), strip through-hole one (6) is arranged on the top of the junction of front rod (8) and back link (11) and caving shield (10), back timber (1) is provided with strip through-hole two (4), and strip through-hole two (4) is arranged in back timber (1) part overlapping with caving shield (10), strip through-hole one (6) and strip through-hole two (4) are parallel to each other, alignment pin (5) is provided with in strip through-hole one (6), alignment pin (5) is simultaneously through strip through-hole one (6) and strip through-hole two (4), and alignment pin (5) can be mobile in strip through-hole one (6) and strip through-hole two (4), back timber (1) with caving shield (10) are provided with arc-shaped through-hole (3), arc-shaped through-hole (3) is communicated with corresponding strip through-hole one (6) or strip through-hole two (4), and the center line of the center line of arc-shaped through-hole (3) with corresponding strip through-hole one (6) or the central axis of strip through-hole two (4), the center line of strip through-hole one (6) or the center line of strip through-hole two (4) pass the center of corresponding arc-shaped through-hole (3), caving shield (10) is fixed with telescopic column two (2), telescopic column two (2) one end and caving shield (10) are fixed, the other end and back timber (1) are fixed, and hydraulic pump (24) is communicated with telescopic column two (2) inside, telescopic column two (2) is arranged on the top of slide unit (23).
2. high inclination-angle hydraulic shield support according to claim 1, it is characterized in that: the below of described slide unit (23) is provided with base (19), base (19) is provided with slide rail (20), slide rail (20) is fixed on the top end face of base (19), the bottom indent of slide unit (23) forms chute (21), slide rail (20) is arranged in chute (21), and slide unit (23) can move horizontally along the centerline direction of slide rail (20), the concave side wall of slide unit (23) forms several through holes (17), through hole (17) is communicated with slide rail (20), the sidewall of slide rail (20) is provided with through hole (16), the sidewall of base (19) is provided with location-plate (18), the sidewall of location-plate (18) one end and base (19) is fixed, the other end is through being arranged in corresponding through hole (16) after through hole (17), location-plate (18) is provided with spring (14), spring (14) one end and location-plate (18) are fixed, the sidewall of the other end and base (19) is fixed.
3. high inclination-angle hydraulic shield support according to claim 1, it is characterized in that: between described caving shield (10) and front rod (8), be provided with bearing pin one (7), bearing pin one (7) is simultaneously through caving shield (10) and front rod (8), and caving shield (10) and front rod (8) all can rotate around bearing pin one (7); Be provided with bearing pin two (9) between described caving shield (10) and back link (11), bearing pin two (9) is simultaneously through caving shield (10) and back link (11), and caving shield (10) and back link (11) all can rotate around bearing pin two (9); Be provided with bearing pin three (13) between described back link (11) and slide unit (23), bearing pin three (13) is simultaneously through back link (11) and slide unit (23), and back link (11) and slide unit (23) can rotate around bearing pin three (13); Described slide unit (23) is provided with rotating shaft (15), rotating shaft (15) is arranged on the top end face of slide unit (23), and rotating shaft (15) can around himself axis in the upper rotation of slide unit (23), bearing pin four (12) is provided with between rotating shaft (15) and front rod (8), bearing pin four (12) is simultaneously through rotating shaft (15) and front rod (8), and front rod (8) can rotate around rotating shaft (15) along with bearing pin four (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482388.9U CN204113317U (en) | 2014-08-26 | 2014-08-26 | High inclination-angle hydraulic shield support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482388.9U CN204113317U (en) | 2014-08-26 | 2014-08-26 | High inclination-angle hydraulic shield support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113317U true CN204113317U (en) | 2015-01-21 |
Family
ID=52330641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420482388.9U Expired - Lifetime CN204113317U (en) | 2014-08-26 | 2014-08-26 | High inclination-angle hydraulic shield support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113317U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089276A (en) * | 2016-07-22 | 2016-11-09 | 刘丹 | A kind of rotary coal-mine hydraulic support |
| CN106194228A (en) * | 2016-07-22 | 2016-12-07 | 刘丹 | A kind of coal-mine hydraulic support of adjustable support point |
| CN108999626A (en) * | 2018-07-11 | 2018-12-14 | 安徽南方煤矿机械有限公司 | A kind of mine inclined-plane hydraulic support |
-
2014
- 2014-08-26 CN CN201420482388.9U patent/CN204113317U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089276A (en) * | 2016-07-22 | 2016-11-09 | 刘丹 | A kind of rotary coal-mine hydraulic support |
| CN106194228A (en) * | 2016-07-22 | 2016-12-07 | 刘丹 | A kind of coal-mine hydraulic support of adjustable support point |
| CN108999626A (en) * | 2018-07-11 | 2018-12-14 | 安徽南方煤矿机械有限公司 | A kind of mine inclined-plane hydraulic support |
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| CP01 | Change in the name or title of a patent holder |
Address after: 610000 Sichuan city of Chengdu province Jinniu District eight days to Tumen group Patentee after: SICHUAN AEROSPACE SUNKUN EQUIPMENT CO.,LTD. Address before: 610000 Sichuan city of Chengdu province Jinniu District eight days to Tumen group Patentee before: SICHUAN SUNKUN EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
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Effective date of registration: 20170613 Address after: 610000 801 factory of aerospace 062 base industrial zone, Longquan Town, Longquanyi District, Chengdu, Sichuan Patentee after: SICHUAN SHENKUN ELECTRO-HYDRAULIC CONTROL TECHNOLOGY Co.,Ltd. Address before: 610000 Sichuan city of Chengdu province Jinniu District eight days to Tumen group Patentee before: SICHUAN AEROSPACE SUNKUN EQUIPMENT CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 Longquanyi District Longquanzhen Aerospace 062 Base Industrial Zone 801 Factory, Chengdu City, Sichuan Province Patentee after: SICHUAN AEROSPACE SHENKUN TECHNOLOGY Co.,Ltd. Address before: 610000 Longquanyi District Longquanzhen Aerospace 062 Base Industrial Zone 801 Factory, Chengdu City, Sichuan Province Patentee before: SICHUAN SHENKUN ELECTRO-HYDRAULIC CONTROL TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190531 Address after: 610041 No. 18 Baichuan Road, West Park, Chengdu High-tech Zone, Sichuan Province Patentee after: SICHUAN AEROSPACE ELECTRO & HYDRAULIC CONTROL Co.,Ltd. Address before: 610000 Longquanyi District Longquanzhen Aerospace 062 Base Industrial Zone 801 Factory, Chengdu City, Sichuan Province Patentee before: SICHUAN AEROSPACE SHENKUN TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150121 |