CN107419707A - A kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device - Google Patents
A kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device Download PDFInfo
- Publication number
- CN107419707A CN107419707A CN201710709058.7A CN201710709058A CN107419707A CN 107419707 A CN107419707 A CN 107419707A CN 201710709058 A CN201710709058 A CN 201710709058A CN 107419707 A CN107419707 A CN 107419707A
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- Prior art keywords
- slide rail
- gate
- hydraulic
- mechanical
- hydraulic pressure
- 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.)
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- 229920001971 elastomer Polymers 0.000 claims description 11
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 31
- 230000006378 damage Effects 0.000 abstract description 5
- 239000010727 cylinder oil Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000295 complement effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/40—Swinging or turning gates
- E02B7/44—Hinged-leaf gates
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The present invention discloses a kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device, including gate, concrete floor, hydraulic lifting oil cylinder and support meanss, support meanss include the branch hinge being fixed on concrete floor, the support bar for being arranged on the slide rail of gate back side and being arranged between branch hinge and slide rail；Concentric lock hole is provided with the two sides of slide rail lower end, the sliding end on support bar top sets cross through hole, and support meanss also include wearing moving back pin assembly, and described wear moves back locking bearing pin of the pin assembly including hydraulically extensible oil and connection hydraulically extensible oil.Gate, support bar and concrete floor are linked to be the support that gate stablize by gusseted device by the present invention using mechanical structure, avoid pipeline rupture and when hoist cylinder oil sealing damages oil leak, the accident that gate glides occur.
Description
Technical field
The invention belongs to hydraulic pressure landscape dam technical field, and in particular to a kind of hydraulic pressure landscape dam mechanical-hydraulic lock support dress
Put.
Background technology
Hydraulic pressure landscape dam is the easy movable dam of comparison.It is widely used in agricultural irrigation, fishery, ship lock, seawater gear tide,
City river landscape engineering and small hydropower station etc. are built.Hydraulic pressure landscape dam mechanical structure science, do not block water, be not afraid of sediment deposition；
Do not influenceed by floating object；In the case where losing minimum water, the floating object of upstream just can be easily washed out, makes river clear
It is clear；It is quick to put dam, does not influence flood control safety；The ability of flood fighting water slug is strong.The construction on hydraulic pressure dam is generally by gate, hydraulic lifting
Oil cylinder and hydraulic power unit etc. form.It is the back part for blocking sluice gate that bottom activity is directly withstood with gate hoist cylinder, real
Dam is now risen to block water and drop the purpose of dam flood discharge.
Existing hydraulic pressure landscape dam supports gate in vertical dam water storage, by the pressurize of hoist cylinder, in pipeline rupture and oil
When cylinder oil sealing damages oil leak, gate can cause the accident because hydraulic action is glided.As long as the and wherein a certain portion in whole dam body
The hydraulic lifting oil cylinder failure on liquid separation pressure dam, huge current will cause serious personal injury and property loss.
The content of the invention
Goal of the invention：In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of easy to control, structure is steady
It is fixed, ensure the hydraulic pressure landscape dam mechanical-hydraulic lock support device that gate will not glide.
Technical scheme：In order to realize foregoing invention purpose, the technical solution adopted by the present invention is as follows：
A kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device, including gate, concrete floor, hydraulic lifting oil cylinder and
Support meanss, the support meanss include the branch hinge being fixed on concrete floor, are arranged on the slide rail of gate back side and set
The support bar between branch hinge and slide rail is put, the bottom of support bar and branch hinge are be hinged, and the top of support bar is sliding end, sliding end
It is located in the track of slide rail；The two sides of the slide rail lower end are provided with concentric lock hole, on the support bar
The sliding end in portion sets cross through hole, and the support meanss also include wearing moving back pin assembly, and described wear is moved back pin assembly and stretched including hydraulic pressure
The locking bearing pin of contracting oil cylinder and connection hydraulically extensible oil, wear move back pin assembly by the stretching of hydraulically extensible oil, contract stop pin
Axle penetrates or exited the lock hole on slide rail, and bearing pin is locked when gate completely closes and is slided with the lock hole on slide rail and support bar
The cross through hole axis of moved end is concentrically.
Further, the support meanss are provided with two groups, are symmetrically arranged on the both sides of hydraulic lifting oil cylinder, the cunning
Rail is arranged on the scuncheon of the both sides of gate.
Further, slide rail contact surface side is provided with tourelle on the sliding end on described support bar top.
Further, the tourelle includes being fixed on the ball orbit of sliding end medial surface and is arranged on ball orbit
Interior ball.
Further, limited block is provided with the upper end of the slide rail, the limited block is welded in the track of slide rail.
Further, the front end of the bottom of the limited block and/or support bar is provided with buffer unit.
Further, the buffer unit is cylindrical helical spring, and the cylindrical helical spring is weldingly fixed on limit
The position inner side of block or the front end of support bar.
Further, the buffer unit is block rubber, and the block rubber is block rubber made of nitrile rubber.
Further, the gate bottom is fixedly installed lower shaft, and two groups of bearing blocks are provided with the concrete floor,
The lower shaft is set through bearing block.
Beneficial effect：Compared with prior art, the present invention has advantages below：
Gate, support bar and concrete floor are linked to be gusseted device using mechanical structure and carry out gate by the present invention
Stable support, when avoiding pipeline rupture and the damage oil leak of hoist cylinder oil sealing, there is the accident of gate downslide, ensure gate
Stability when erecting, gate ability resistant to pressure is enhanced, while also mitigate the stress of hydraulic lifting oil cylinder, hydraulic lifting
Both oil cylinder and support meanss play complementary effect, ensure the service behaviour of gate, while it is whole also to extend hydraulic pressure dam
The service life of body.Wearing for the present invention moves back pin assembly using the flexible of hydraulically extensible oil control locking bearing pin, in hydraulic power unit
The control of producing means can be achieved, it is time saving and energy saving；Slide rail both ends set limited block and buffer unit, limited block to prevent support bar
Track is skidded off, buffer unit avoids support bar from carrying out rigid contact, stability when increase support bar slides with limited block.
Brief description of the drawings
Fig. 1 is hydraulic pressure landscape dam mechanical-hydraulic lock support apparatus structure schematic diagram；
Profile when Fig. 2 is the mechanical-hydraulic lock support device locking bearing pin insertion of hydraulic pressure landscape dam；
Fig. 3 is profile when hydraulic pressure landscape dam mechanical-hydraulic lock support device locking bearing pin exits；
Fig. 4 is hydraulic pressure landscape dam mechanical-hydraulic lock support device tourelle structural representation.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, embodiment using technical solution of the present invention as
Under the premise of implemented, it should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.
As shown in Figures 1 to 4, a kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device, including gate 1, concrete bottom
Plate 2, two groups of hydraulic lifting oil cylinders 3 and support meanss, the one end of hydraulic lifting oil cylinder 3 is be hinged with gate 1, and the other end is fixed on coagulation
It is connected on native bottom plate 4 and by fluid pressure line with hydraulic power unit；Support meanss include the branch hinge being fixed on concrete floor 2
4, the support bar 6 for being arranged on the slide rail 5 of the back side of gate 1 and being arranged between branch hinge 4 and slide rail 5, the bottom of support bar 6 and branch
Hinge 4 is be hinged, and the top of support bar 6 is sliding end 63, and sliding end 63 is arranged in the track of slide rail 5 and can slided along track；
Concentric lock hole 7 is provided with the two sides of the lower end of slide rail 5, the sliding end 63 on the top of support bar 6 sets cross through hole.
The effect of slide rail 5 is that constraint support bar 6 slides in non-supported state along slide rail 5, support bar 6 is left gate 1.
Support meanss also include wearing moving back pin assembly, wear and move back pin assembly including hydraulically extensible oil 8 and connect hydraulically extensible oil
The locking bearing pin 9 of cylinder 8, wear move back pin assembly by the stretching of hydraulically extensible oil 8, contracting penetrates locking bearing pin 9 or exits on slide rail 5
Lock hole 7, when gate 1 completely closes lock bearing pin 9 and the lock hole 7 on slide rail 5 and the sliding end of support bar 6 transverse direction lead to
Axially bored line is concentrically.Hydraulically extensible oil 8 is connected (not shown) with hydraulic power unit by fluid pressure line, and hydraulic power unit is simultaneously
Realize the control of hydraulic lifting oil cylinder 3 and hydraulically extensible oil 8.
Support meanss are provided with two groups, are symmetrically arranged on the both sides of hydraulic lifting oil cylinder 3, and slide rail 5 is arranged on gate 1
The scuncheon of both sides.The top both sides of slide rail 5 are provided with the plate washer extended in parallel to inner side, prevent support bar 6 out of track
Abjection.The sliding end 63 on the top of support bar 6 is arranged in the track of slide rail 5, and the width of the sliding end 63 on the top of support bar 6 is more than
The width of the lever arm of support bar 6, limited block 51 is provided with the top and bottom of slide rail 5, or is only set in the upper end of slide rail 5
Limited location block 51, limited block 51 are welded in the track of slide rail 5.The setting of limited block 51 can prevent support bar 6 in slide rail 5
Track is not departed from during slip, prevents gate 1 from the accident surprisingly to glide occur.
Because gate 1 is conducted oneself with dignity heavier, resistance of the support bar 6 in 5 internal slide of slide rail is larger, so on support bar 6
The contact surface side of slide rail 5 is provided with tourelle on the sliding end 63 in portion.Tourelle includes being fixed on sliding end medial surface
Ball orbit 61 and the ball 62 that is arranged in ball orbit, when support bar 6 slides relative to slide rail 5, ball 62 is rolling
Rotated in pearl track 61, reduce resistance when support bar 6 slides.
The front end of the bottom of limited block 51 and/or support bar 6 is provided with buffer unit.Buffer unit is cylindrical helical
Spring 52, cylindrical helical spring 52 is weldingly fixed on the inner side of limited block 51 and/or the front end of support bar 6, when support bar 6
Between sliding end 63 touches limited block 51, row buffering is entered by cylindrical helical spring 52, prevents sliding end 63 and limited block
51 directly carry out the impact that rigid contact is brought to limited block 51；Buffer unit can also be block rubber 53, and block rubber 53 is simultaneously
Block rubber is block rubber 53 made of nitrile rubber, and block rubber 53 made of nitrile rubber has good water resistance, excellent
Adhesive property and excellent physical and mechanical properties, the situation for being adapted to the hydraulic pressure landscape dam length phase to use under water.
The bottom of gate 1 is fixedly installed lower shaft 10, and two groups of bearing blocks 11 are provided with concrete floor 2, and lower shaft 10 passes through
Bearing block 11 is set.Lower shaft 1 is supported on bearing block 11 through bearing block 11 and around the central rotation of bearing block 11, will come from gate
1 head pressure and gate weight transfer are on concrete floor 2.
The course of work of the present invention：Wear move back pin assembly by the stretching of hydraulically extensible oil, contracting penetrates locking bearing pin or moves back
The lock hole gone out on slide rail.When gate erects completely, the lock hole on locking bearing pin insertion slide rail, locking bearing pin is locked with gate
Concentrically, gate can be pinned to the cross through hole axis for determining hole and support bar sliding end by now penetrating locking bearing pin, to lock shape
State.When locking bearing pin exits the lock hole on slide rail, support bar sliding end can be released state along slide rail slidably,
Gate can rotate, and when support bar slides into the top of slide rail, gate is laid flat closing in place.
Gate, support bar and concrete floor are linked to be gusseted device using mechanical structure and carry out gate by the present invention
Stable support, when avoiding pipeline rupture and the damage oil leak of hoist cylinder oil sealing, there is the accident of gate downslide, ensure gate
Stability when erecting, gate ability resistant to pressure is enhanced, while also mitigate the stress of hydraulic lifting oil cylinder, hydraulic lifting
Both oil cylinder and support meanss play complementary effect, ensure the service behaviour of gate, while it is whole also to extend hydraulic pressure dam
The service life of body.Wearing for the present invention moves back pin assembly using the flexible of hydraulically extensible oil control locking bearing pin, in hydraulic power unit
The control of producing means can be achieved, it is time saving and energy saving；Slide rail both ends set limited block and buffer unit, limited block to prevent support bar
Track is skidded off, buffer unit avoids support bar from carrying out rigid contact, stability when increase support bar slides with limited block.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
- A kind of 1. hydraulic pressure landscape dam mechanical-hydraulic lock support device, it is characterised in that：Including gate (1), concrete floor (2), hydraulic lifting oil cylinder (3) and support meanss, the support meanss include the branch hinge (4) being fixed on concrete floor (2), The support bar (6) for being arranged on the slide rail (5) of gate (1) back side and being arranged between branch hinge (4) and slide rail (5), support bar (6) Bottom and branch hinge (4) it is be hinged, the top of support bar (6) is sliding end (63), and the sliding end (63) is located in slide rail (5) In track；The two sides of the slide rail (5) lower end are provided with concentric lock hole (7), set on the sliding end (63) Cross through hole is put, the support meanss also include wearing moving back pin assembly, and described wear is moved back pin assembly including hydraulically extensible oil (8) and connected Connect the locking bearing pin (9) of hydraulically extensible oil (8), it is described wear move back pin assembly by the stretching of hydraulically extensible oil (8), contract will locking The lock hole (7) that bearing pin (9) penetrates or exited on slide rail (5), bearing pin (9) and slide rail (5) are locked when gate (1) erects completely On lock hole (7) and sliding end (63) on cross through hole axis concentrically.
- 2. mechanical-hydraulic lock support device in hydraulic pressure landscape dam according to claim 1, it is characterised in that：The support dress Install and be equipped with two groups, be symmetrically arranged on the both sides of hydraulic lifting oil cylinder (3), the slide rail (5) is arranged on the both sides of gate (1) Scuncheon.
- 3. mechanical-hydraulic lock support device in hydraulic pressure landscape dam according to claim 1, it is characterised in that：In described branch Slide rail (5) contact surface side is provided with tourelle on the sliding end (63) on strut (6) top.
- 4. mechanical-hydraulic lock support device in hydraulic pressure landscape dam according to claim 3, it is characterised in that：It is described to roll dress Put the ball (62) including being fixed on the ball orbit (61) of sliding end (63) medial surface and being arranged in ball orbit (61).
- 5. mechanical-hydraulic lock support device in hydraulic pressure landscape dam according to claim 1, it is characterised in that：In the slide rail (5) upper end is provided with limited block (51), and the limited block (51) is welded in the track of slide rail (5).
- 6. mechanical-hydraulic lock support device in hydraulic pressure landscape dam according to claim 5, it is characterised in that：Described spacing The bottom of block (51) and/or the front end of support bar (6) are provided with buffer unit.
- 7. mechanical-hydraulic lock support device in hydraulic pressure landscape dam according to claim 6, it is characterised in that：The buffering dress Cylindrical helical spring (52) is set to, the cylindrical helical spring (52) is weldingly fixed on inner side or the branch of limited block (51) The front end on strut (6) top.
- 8. mechanical-hydraulic lock support device in hydraulic pressure landscape dam according to claim 6, it is characterised in that：The buffering dress Block rubber (53) is set to, the block rubber is block rubber (53) made of nitrile rubber.
- 9. mechanical-hydraulic lock support device in hydraulic pressure landscape dam according to claim 1, it is characterised in that：The gate (1) bottom is fixedly installed lower shaft (10), and two groups of bearing blocks (11), the lower shaft are provided with the concrete floor (2) (10) set through bearing block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709058.7A CN107419707A (en) | 2017-08-17 | 2017-08-17 | A kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709058.7A CN107419707A (en) | 2017-08-17 | 2017-08-17 | A kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107419707A true CN107419707A (en) | 2017-12-01 |
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ID=60438304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710709058.7A Pending CN107419707A (en) | 2017-08-17 | 2017-08-17 | A kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device |
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| CN (1) | CN107419707A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677908A (en) * | 2018-07-24 | 2018-10-19 | 中国葛洲坝集团机电建设有限公司 | Large-scale headstock gear sunpender pitman shaft, which is worn, moves back axis method and device |
| CN112112132A (en) * | 2020-09-18 | 2020-12-22 | 王林 | High-strength bearing mechanism for water retaining surface of movable dam |
| CN112323733A (en) * | 2020-10-23 | 2021-02-05 | 安徽华晶机械有限公司 | Stable hydraulic lifting dam with locking mechanism |
| CN112681239A (en) * | 2020-12-21 | 2021-04-20 | 芜湖市银鸿液压件有限公司 | Adjustable supporting structure of hydraulic dam |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5199812A (en) * | 1991-09-10 | 1993-04-06 | The United States Of America As Represented By The Secretary Of The Army | Hydraulic fixed strut game |
| CN202247813U (en) * | 2011-08-30 | 2012-05-30 | 扬州水安水工设备制造有限公司 | Hydraulic flat-slab deck dam |
| CN103556913A (en) * | 2013-11-21 | 2014-02-05 | 杨健儿 | Seal bin gate system provided with lock pin and driven by slide block |
| KR20140032517A (en) * | 2014-02-24 | 2014-03-14 | 한상관 | Naturally friendly water purification eco-friendly method that saves natural water by saving river water in multiple stages while producing electricity and purifying polluted river water |
| CN204039988U (en) * | 2014-08-19 | 2014-12-24 | 衢州市河圣水力自控翻板门有限公司 | Lying type flap gate |
| CN105064914A (en) * | 2015-07-17 | 2015-11-18 | 方华俤 | Cross-country type soft shaft driving multi-functional shallow drilling machine |
| CN105625278A (en) * | 2014-11-07 | 2016-06-01 | 扬州市永强液压成套设备有限公司 | Cambered-surface down-turning steel hydraulic dam |
| US20160281314A1 (en) * | 2016-06-10 | 2016-09-29 | Shahriar Eftekharzadeh | Stretch Dam |
| CN206319305U (en) * | 2016-11-09 | 2017-07-11 | 山西方盛液压机电设备有限公司 | A kind of upset steel dam of hydraulic jack horizontal drive |
| CN207331640U (en) * | 2017-08-17 | 2018-05-08 | 江苏扬州富达液压机械集团有限公司 | A kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device |
-
2017
- 2017-08-17 CN CN201710709058.7A patent/CN107419707A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5199812A (en) * | 1991-09-10 | 1993-04-06 | The United States Of America As Represented By The Secretary Of The Army | Hydraulic fixed strut game |
| CN202247813U (en) * | 2011-08-30 | 2012-05-30 | 扬州水安水工设备制造有限公司 | Hydraulic flat-slab deck dam |
| CN103556913A (en) * | 2013-11-21 | 2014-02-05 | 杨健儿 | Seal bin gate system provided with lock pin and driven by slide block |
| KR20140032517A (en) * | 2014-02-24 | 2014-03-14 | 한상관 | Naturally friendly water purification eco-friendly method that saves natural water by saving river water in multiple stages while producing electricity and purifying polluted river water |
| CN204039988U (en) * | 2014-08-19 | 2014-12-24 | 衢州市河圣水力自控翻板门有限公司 | Lying type flap gate |
| CN105625278A (en) * | 2014-11-07 | 2016-06-01 | 扬州市永强液压成套设备有限公司 | Cambered-surface down-turning steel hydraulic dam |
| CN105064914A (en) * | 2015-07-17 | 2015-11-18 | 方华俤 | Cross-country type soft shaft driving multi-functional shallow drilling machine |
| US20160281314A1 (en) * | 2016-06-10 | 2016-09-29 | Shahriar Eftekharzadeh | Stretch Dam |
| CN206319305U (en) * | 2016-11-09 | 2017-07-11 | 山西方盛液压机电设备有限公司 | A kind of upset steel dam of hydraulic jack horizontal drive |
| CN207331640U (en) * | 2017-08-17 | 2018-05-08 | 江苏扬州富达液压机械集团有限公司 | A kind of hydraulic pressure landscape dam mechanical-hydraulic lock support device |
Non-Patent Citations (1)
| Title |
|---|
| 钟柳华等编著: "《汽车座椅设计与制造》", 国防工业出版社, pages: 21 - 22 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677908A (en) * | 2018-07-24 | 2018-10-19 | 中国葛洲坝集团机电建设有限公司 | Large-scale headstock gear sunpender pitman shaft, which is worn, moves back axis method and device |
| CN112112132A (en) * | 2020-09-18 | 2020-12-22 | 王林 | High-strength bearing mechanism for water retaining surface of movable dam |
| CN112323733A (en) * | 2020-10-23 | 2021-02-05 | 安徽华晶机械有限公司 | Stable hydraulic lifting dam with locking mechanism |
| CN112681239A (en) * | 2020-12-21 | 2021-04-20 | 芜湖市银鸿液压件有限公司 | Adjustable supporting structure of hydraulic dam |
| CN112681239B (en) * | 2020-12-21 | 2022-08-30 | 芜湖市银鸿液压件有限公司 | Adjustable supporting structure of hydraulic pressure dam |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |