CN102182167B - Stayed bidirectional portal opening and closing machine for dam gate - Google Patents
Stayed bidirectional portal opening and closing machine for dam gate Download PDFInfo
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- CN102182167B CN102182167B CN2011100953174A CN201110095317A CN102182167B CN 102182167 B CN102182167 B CN 102182167B CN 2011100953174 A CN2011100953174 A CN 2011100953174A CN 201110095317 A CN201110095317 A CN 201110095317A CN 102182167 B CN102182167 B CN 102182167B
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Abstract
The invention discloses a stayed bidirectional portal machine for a dam gate. The stayed bidirectional portal machine comprises a cart operating mechanism, a portal, a main trolley arranged at the top of the portal and lifting mechanisms; the cart operating mechanism consists of a track trolley, a balance beam arranged on the track trolley, and a supporting seat arranged on the balance beam; the track trolley is connected with the balance beam through a rotary bearing; the lifting mechanisms are two sets of winches symmetrically arranged on the main trolley, and the longitudinal midline of a fixed pulley beam and the longitudinal midline of a fixed pulley in each set of winch are arranged eccentrically; and a pull rod passing shaft system is arranged on the portal. The trolley frame can rotate relative to the balance beam is ensured, the wheels can adapt to the circular track all the time, and deflection of the wheels is avoided. Two winding drums are connected through a coupling, so that vector closed-loop electric synchronization of the two sets of winches is realized, and the two sets of winches are not limited by the volume of the lifting mechanisms and the number of steel wire ropes. Through the pull rod passing shaft system, the labor intensity of operators is lightened, and the opening and closing operation time of the gate is shortened.
Description
Technical field
The present invention relates to the dam body gate hoist, especially relate to be used for the dam body gate tiltedly draw two-way gantry gate hoists.
Background technology
Tiltedly draw two-way gantry gate hoists to be widely used on the building of Hydraulic and Hydro-Power Engineering porous mouth.Be used at present tiltedly drawing two-way gantry gate hoists on the dam crest arc-shaped rail, its structure is mainly by traveling mechanism of the larger traveller, be arranged on door frame on the traveling mechanism of the larger traveller, be arranged on the main carriage on the door frame and the lifting mechanism that is arranged on the main carriage is formed through supporting base.The deficiency of its existence mainly shows as:
1, because gantry gate hoists run on the arc track, the axle center of each wheel of traveling mechanism of the larger traveller set of wheels makes the wheelspan that is positioned on inside and outside two tracks not wait all through the track circular arc center of curvature.Adopt at present usually the different wheels of upstream and downstream sidecar wheel footpath, identical and do not produce slip with the angular speed of wheel on the outside track in guaranteeing, simultaneously for easily manufactured, it is high that four door frame supporting legs are designed to wait, and adjusts through the height of the balancing stand on the traveling mechanism of the larger traveller.At present adopt sliding bearing to be connected between the bogie frame of traveling mechanism of the larger traveller and the equalizer bar, to adapt to the trace rotation of wheel on arc track; Sliding bearing structure is simple, and is easy for installation, but phenomenon such as sliding bearing exists that operation is dumb, wheel gnawing rail and noise are bigger.
2, because arranging, the part gate slot has gradient; When adopting gantry gate hoists to open and close gate; The direction of tiltedly drawing of main carriage lifting mechanism wire rope becomes certain included angle with the plummet direction, and must remain unchanged during work to guarantee that gate normally opens and closes along the inclination gate slot.The lifting mechanism of the oblique pull gate of conventional lifting arranges it is that reel, fixed pulley are arranged on the main carriage body panel, and equalizer pulley hangs under the main carriage frame, below the fixed pulley beam, establishes one group of leading block simultaneously, satisfies the requirement of tiltedly drawing with vertical lifting gate.But when the lifting mechanism capacity is big, wire rope quantity is more, when tiltedly drawing direction and plummet angular separation big, the setting of leading block is comparatively difficult; Remove stressed complicacy, safeguard outside the inconvenience that wire rope very easily produces the disorder cable phenomenon, influences security of operation.
3, the oblique pull gate on the dam body opens and closes and manyly realizes through the pull bar that is arranged on the gate, every fan brake pull bar that door is joined have tens save more than, between pull bar and the pull bar, be connected through bearing pin between pull bar and the gate; Need be during lift gate by joint dismounting pull bar; Need pull bar be installed by saving during closed shutter, and each bearing pin weight reaches the hundreds of kilogram, the many employings of the operation manual work that wears off of bearing pin is at present accomplished; For dam body with many fan brakes door; Wear off axle and operate that labour intensity is big well imagines, and the operating time is long, can not satisfy the dam flood control time requirement of controlling flood.
Summary of the invention
The object of the invention be to provide a kind of cart is stable, main carriage hoists handling safety is reliable, the pull bar bearing pin wears off operating machine be used for the dam body gate tiltedly draw two-way gantry gate hoists,
For realizing above-mentioned purpose, the present invention can take following technical proposals:
According to the invention be used for the dam body gate tiltedly draw the bidirectional gate machine; It comprises the traveling mechanism of the larger traveller that is arranged on the arc track and the door frame that is provided with above that, and be arranged on the said door frame top platform track by the main carriage of Driven by Hydraulic Cylinder be arranged on the lifting mechanism on the said main carriage; Said traveling mechanism of the larger traveller by the track chassis, be arranged on equalizer bar on the said track chassis, be arranged on the supporting base that is used to support door frame on the said equalizer bar and constitute; Said track chassis is connected with equalizer bar through floating bearing; The external toothing of said floating bearing is connected with equalizer bar through bolt, and ring gear is connected through the bogie frame of bolt with the track chassis; Said lifting mechanism is to be arranged symmetrically in the cover of two on main carriage hoist engine, and the spool shaft of said two cover hoist engines is connected through shaft coupling, on the motor of every cover hoist engine, is separately installed with incremental encoder, stall switch, temperature detecting resistance; The fixed pulley beam longitudinal midline of every cover hoist engine and the fixed pulley longitudinal midline arranged off-centre that is provided with above that; Door frame is provided with pull bar and wears off axle system; Said pull bar wears off axle system and forms by being set in place the pillar cantilever crane on door frame upstream side lower transverse beam and wearing off shaft device; The said shaft device that wears off is made up of carriage and the flexible push rod that is horizontally set on the said carriage.
Said carriage is by forming with the diameter of axle arc transverse slat that adapts and the riser that is vertically set on said transverse slat rear and front end; Offer the circular arc gap downwards at middle part, said front end riser upper edge, offer a plurality of dowel holes around said circular arc gap; Said flexible push rod is the flexible push rod of electrodynamic type.
Advantage of the present invention mainly is presented as:
1, the track chassis is except that adopting methods such as the big trundle of existing wide tread, frequency control, creatively floating bearing applied to being connected of equalizer bar and bogie frame; Guaranteed that bogie frame can rotate with respect to equalizer bar, made wheel can adapt to arc orbit all the time, avoided the deflection of wheel.Made full use of that floating bearing can bear axially simultaneously, the advantage of radial load and overturning moment; The vertical stress component when vertical force when having solved traveling mechanism of the larger traveller and can bear vertical lifting, inclined pull hoisting and the difficult problem of horizontal component; Be rolling bearing because of it again; Frictional resistance is little and rotate flexibly, and it is big to have overcome the sliding bearing frictional resistance, is prone to gnaw rail and the big shortcoming of noise.
2, lifting mechanism adopts two suspension centres to arrange, through equalizer bar two suspension centres is become single suspension centre and is connected with pull bar or gate.Connect through shaft coupling between two reels of two suspension centres, realized that the mechanical rigid of two cover lifting mechanisms is synchronous, the tail end of two motors is all installed incremental encoder, stall switch and temperature detecting resistance, and is electric synchronously to realize two cover hoist engine vector closed loops.Fixed pulley beam longitudinal midline and the fixed pulley longitudinal midline arranged off-centre that is provided with above that are about to fixed pulley beam center relative fixed pulley off-centring certain distance, do not interfere to guarantee door machine wire rope and fixed pulley beam when vertical lifting and the inclined pull hoisting; Both satisfied the functional requirement of gantry gate hoists; Avoided being provided with the trouble of leading block again, do not received the restriction of lifting mechanism capacity and wire rope quantity, stress condition is good; Connect simple, easy for installation.
3, the pull bar that is provided with on the door frame wears off axle system, has alleviated labor intensity of operating personnel greatly, has improved pull bar and has worn off an operating efficiency, has shortened the gate opening/closing operating time.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the plan structure sketch map of main carriage according to the invention.
Fig. 4 is the structural representation of traveling mechanism of the larger traveller according to the invention.
Fig. 5 is the structural representation of lifting mechanism according to the invention.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the structural representation that wears off shaft device according to the invention.
Fig. 8 is the left view of Fig. 7.
The specific embodiment
Like Fig. 1,2,3, shown in 4; Of the present invention be used for the dam body gate tiltedly draw the bidirectional gate machine; It comprises traveling mechanism of the larger traveller that is arranged on the arc track and the door frame 1 that is provided with above that, and is arranged on the main carriage 4 that is driven by hydraulic cylinder 3 on the said door frame 1 top platform track 2 and is arranged on the lifting mechanism on the said main carriage 4; Said traveling mechanism of the larger traveller by track chassis 5, be arranged on equalizer bar 6 on the said track chassis 5, be arranged on the supporting base 7 that is used to support door frame 1 on the said equalizer bar 6 and constitute; Said track chassis 5 is connected with equalizer bar 6 through floating bearing 8; The external toothing of said floating bearing 8 is connected with equalizer bar 6 through bolt, and ring gear is connected through the bogie frame of bolt with track chassis 5; Said lifting mechanism is to be arranged symmetrically in the cover of two on the main carriage 4 hoist engine, and the spool shaft of said two cover hoist engines is connected through shaft coupling 9, on the motor of every cover hoist engine, is separately installed with incremental encoder, stall switch, temperature detecting resistance; Like Fig. 5, shown in 6, fixed pulley beam 10 longitudinal midlines 11 and longitudinal midline 13 arranged off-centre that fixed pulley 12 above that is set of every cover hoist engine; As shown in Figure 1, door frame 1 is provided with pull bar and wears off axle system; Said pull bar wears off axle system and forms by being set in place the pillar cantilever crane 14 on door frame 1 upstream side lower transverse beam and wearing off shaft device; Like Fig. 7, shown in 8, the said shaft device that wears off is made up of carriage and the flexible push rod 15 that is horizontally set on the said carriage; Said carriage is by forming with the diameter of axle arc transverse slat 16 that adapts and the riser 17,18 that is vertically set on said transverse slat rear and front end; Offer the circular arc gap downwards at middle part, said front end riser 17 upper edges, offer a plurality of dowel holes 19 around said circular arc gap; Said flexible push rod 15 is the flexible push rod of electrodynamic type.
Claims (2)
- One kind be used for the dam body gate tiltedly draw the bidirectional gate machine; It comprises traveling mechanism of the larger traveller that is arranged on the arc track and the door frame (1) that is provided with above that, and is arranged on the main carriage (4) that is driven by hydraulic cylinder (3) on said door frame (1) the top platform track (2) and is arranged on the lifting mechanism on the said main carriage (4); Said traveling mechanism of the larger traveller by track chassis (5), be arranged on equalizer bar (6) on the said track chassis (5), be arranged on the supporting base (7) that is used to support door frame (1) on the said equalizer bar (6) and constitute; It is characterized in that: said track chassis (5) is connected with equalizer bar (6) through floating bearing (8); The external toothing of said floating bearing (8) is connected with equalizer bar (6) through bolt, and ring gear is connected through the bogie frame of bolt with track chassis (5); Said lifting mechanism is for being arranged symmetrically in the cover of two on the main carriage (4) hoist engine, and the spool shaft of said two cover hoist engines is connected through shaft coupling (9), on the motor of every cover hoist engine, is separately installed with incremental encoder, stall switch, temperature detecting resistance; Fixed pulley beam (10) longitudinal midline (11) of every cover hoist engine and longitudinal midline (13) arranged off-centre that fixed pulley (12) above that is set; Door frame (1) is provided with pull bar and wears off axle system; Said pull bar wears off axle system and forms by being set in place the pillar cantilever crane (14) on door frame (1) upstream side lower transverse beam and wearing off shaft device; The said shaft device that wears off is made up of carriage and the flexible push rod (15) that is horizontally set on the said carriage.
- According to claim 1 said be used for the dam body gate tiltedly draw the bidirectional gate machine, it is characterized in that: said carriage is made up of arc transverse slat (16) that adapts with the diameter of axle and the riser (17,18) that is vertically set on said transverse slat rear and front end; Offer the circular arc gap downwards at middle part, said front end riser (17) upper edge, offer a plurality of dowel holes (19) around said circular arc gap; Said flexible push rod (15) is the flexible push rod of electrodynamic type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100953174A CN102182167B (en) | 2011-04-16 | 2011-04-16 | Stayed bidirectional portal opening and closing machine for dam gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100953174A CN102182167B (en) | 2011-04-16 | 2011-04-16 | Stayed bidirectional portal opening and closing machine for dam gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102182167A CN102182167A (en) | 2011-09-14 |
| CN102182167B true CN102182167B (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100953174A Active CN102182167B (en) | 2011-04-16 | 2011-04-16 | Stayed bidirectional portal opening and closing machine for dam gate |
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| CN (1) | CN102182167B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556869A (en) * | 2011-12-30 | 2012-07-11 | 大连华锐重工集团股份有限公司 | Mechanism for lifting two rotary drums |
| CN103573999B (en) * | 2013-09-16 | 2016-10-05 | 上海船厂船舶有限公司 | Crane travelling wheel exposed gear lubricating system and include its crane |
| CN106013002B (en) * | 2016-07-04 | 2017-12-08 | 黄河勘测规划设计有限公司 | Possesses the one-way door type headstock gear of two-way gantry gate hoists function |
| CN108532556A (en) * | 2018-06-04 | 2018-09-14 | 安徽省六安恒源机械有限公司 | Headstock gear |
| CN111123768B (en) * | 2019-12-12 | 2021-02-12 | 国网浙江省电力有限公司紧水滩水力发电厂 | Dam crest portal crane auxiliary alignment system and method |
| CN113585189A (en) * | 2021-08-03 | 2021-11-02 | 中铁二十局集团第六工程有限公司 | Dam crest two-way portal crane construction system and construction method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1186728A1 (en) * | 1984-04-05 | 1985-10-23 | Ленинградское Специальное Конструкторское Бюро "Ленгидросталь" | Arrangement for lifting hydraulic gate |
| CN101672027A (en) * | 2009-09-28 | 2010-03-17 | 杜培文 | Portal crane |
| CN202023178U (en) * | 2011-04-16 | 2011-11-02 | 黄河勘测规划设计有限公司 | Slantingly pulling two-way gantry hoist for dam body gate |
-
2011
- 2011-04-16 CN CN2011100953174A patent/CN102182167B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1186728A1 (en) * | 1984-04-05 | 1985-10-23 | Ленинградское Специальное Конструкторское Бюро "Ленгидросталь" | Arrangement for lifting hydraulic gate |
| CN101672027A (en) * | 2009-09-28 | 2010-03-17 | 杜培文 | Portal crane |
| CN202023178U (en) * | 2011-04-16 | 2011-11-02 | 黄河勘测规划设计有限公司 | Slantingly pulling two-way gantry hoist for dam body gate |
Non-Patent Citations (3)
| Title |
|---|
| 张庆军 |
| 张庆军;汤双清.山秀水电站2×800kN双向门机的设计.《水利电力机械》.2007,(第07期),第19-22页. * |
| 汤双清.山秀水电站2×800kN双向门机的设计.《水利电力机械》.2007,(第07期),第19-22页. |
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| CN102182167A (en) | 2011-09-14 |
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Address after: 450003 Jinshui Road 109, Zhengzhou City, Henan Province Patentee after: Yellow River Survey Planning and Design Research Institute Co., Ltd. Address before: 450003 Jinshui Road 109, Zhengzhou City, Henan Province Patentee before: Yellow River Engineering Consulting Co., Ltd. |