CN102795487B - Mechanical opening parallel mechanism with sector gate for quantitative loading of skip - Google Patents

Mechanical opening parallel mechanism with sector gate for quantitative loading of skip Download PDF

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Publication number
CN102795487B
CN102795487B CN201210320557.4A CN201210320557A CN102795487B CN 102795487 B CN102795487 B CN 102795487B CN 201210320557 A CN201210320557 A CN 201210320557A CN 102795487 B CN102795487 B CN 102795487B
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China
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connecting rod
side plate
hinged
support abutment
shaped side
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CN201210320557.4A
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CN102795487A (en
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李中凯
千红涛
程志红
江晓红
崔海龙
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

The invention relates to a mechanical opening parallel mechanism with a sector gate for quantitative loading of a skip. Right and left transfer connection rods of the mechanical opening parallel mechanism are distributed on the right and left sides of a slide block; one end of each of the two transfer connection rods is articulated with the slide block; one end of a left magnifying connection rod is articulated with an intermediate left support; the other end of the left transfer connection rod is articulated with the intermediate left support; one end of a right magnifying connection rod is articulated with an intermediate right support; the other end of the right transfer connection rod is articulated with the intermediate right support; one end of a left opening connection rod is articulated with the other end of the left magnifying connection rod; one end of a right opening connection rod is articulated with the other end of the right magnifying connection rod; the other ends of the right and left opening connection rods are articulated with arc sides of a right sector side plate and a left sector side plate respectively; and a left support and a right support are arranged on outer side faces of the left sector side plate and the right sector side plate respectively, and articulated with parts near circle centers of the left sector side plate and the right sector side plate respectively. The working performance is excellent; the opening is stable; the falling back is rapid; and the maintenance is easy.

Description

Sector gate mechanical type for skip bucket quantitative loading is opened parallel institution
Technical field
The present invention relates to a kind of parallel institution of opening, especially a kind of sector gate mechanical type for skip bucket quantitative loading is opened parallel institution.
Background technology
In all too many levels of coal production, the safety of mine hoisting Load System, reliability service, very important to the safe and efficient production of mine.The quantitative loading mode of skip hoisting can totally be divided into constant volume loading and determine two kinds of heavy cartridges.
During constant volume loads, conventionally adopt a kind of mechanical loading gate of tiger mouth formula, this device is very heavy, and the open and close of gate could realize by counterweight, the not smooth and stagnant coal phenomenon of the coal that easily occurs slipping.Frequent and skip bucket collision in the complete reseting procedure of loading, the impulsive force causing is very large, and skip bucket distortion is large, and sector gate maintenance workload is large.Mechanical position limitation is inaccurate simultaneously, and the phenomenon that easily appearance does not reset, has had a strong impact on lifting safety and raising efficiency.
Determine in heavy cartridges, conventionally adopt the hydraulic efficiency pressure system of automation control, but because bottom, colliery working condition is severe, mine ponding is very serious to the corrosion of hydraulic efficiency pressure system, easily occur fluid leakage, component wear, until lost efficacy, therefore adopt the Hydraulic System Reliability of automatically controlling not high, daily attention amount is large.Meanwhile, due to the feature such as creep of life period hysteresis quality, hydraulic efficiency impact, actr in fluid control, it is larger that system itself is subject to external influence, increased a lot of difficulties to the control of hydraulic efficiency pressure system.
Hence one can see that, and current all kinds of devices all exist certain defect in the use.For this reason, be necessary to design a kind of technical solution of new physical construction, for coaling effective opening and closing of sector gate of skip bucket.
Summary of the invention
The object of the invention is the problem existing for prior art, the sector gate mechanical type for skip bucket quantitative loading that a kind of simple in structure, excellent working performance is provided, steadily opens, falls after rise fast and is easy to safeguard is opened parallel institution.
For achieving the above object, sector gate mechanical type unlatching parallel institution of the present invention comprises slide block, transmission lever group, amplifies bar group, easing lever group, sector gate, bearing group; Described bearing group comprises left support abutment, right support abutment, middle left support abutment and middle right support abutment; Described transmission lever group comprises left transmission connecting rod and right transmission connecting rod; Above-mentioned left transmission connecting rod and right transmission connecting rod are distributed in the arranged on left and right sides of slide block, and two one end of transmitting connecting rod are hinged and connected to respectively on slide block; Described amplification bar group comprises left amplification connecting rod and right amplification connecting rod; In the middle of one end of described left amplification connecting rod is hinged and connected to, on left support abutment, the other end of left transmission connecting rod is also hinged and connected on middle left support abutment; In the middle of one end of described right amplification connecting rod is hinged and connected to, on right support abutment, the other end of right transmission connecting rod is also hinged and connected on middle right support abutment; Described easing lever group comprises left unlatching connecting rod and right unlatching connecting rod; The other end of one end of described left unlatching connecting rod and left amplification connecting rod is hinged; The other end of one end of right unlatching connecting rod and right amplification connecting rod is hinged; Described sector gate comprises cambered surface base plate, left fan-shaped side plate and right wing shape side plate; The fan-shaped side plate in a described left side and right wing shape side plate are arranged in parallel each other, and the arc-shaped side of described two blocks of fan-shaped side plates is connected on the concave surface of cambered surface base plate; The other end of left unlatching connecting rod is hinged and connected on the arc-shaped side of left fan-shaped side plate, and the other end of right unlatching connecting rod is hinged and connected on the arc-shaped side of right wing shape side plate; Described left support abutment is arranged on the lateral surface of left fan-shaped side plate, is hinged and connected to the nearly circle centre position of left fan-shaped side plate; Described right support abutment is arranged on the lateral surface of right wing shape side plate, is hinged and connected to the nearly circle centre position of right wing shape side plate.
In the present invention, slide block, left transmission connecting rod, left amplification connecting rod, left unlatching connecting rod, sector gate and left support abutment form a plane six-bar linkage; Slide block, right transmission connecting rod, right amplification connecting rod, right unlatching connecting rod, sector gate and right support abutment form another plane six-bar linkage.Slide block connects left and right two plane six-bar linkages simultaneously, plays interlock intermediary, and left and right two plane six-bar linkages are moved simultaneously, has good concertedness.In real work, left amplification connecting rod and right amplification connecting rod are hinged and connected to respectively the epimere of weighing hopper.Left support abutment and right support abutment are fixedly connected on respectively the hypomere of weighing hopper.In the time of the carrying coal skip bucket and decline along vertical track of sky, the edge band movable slider of skip bucket moves downward along track, and slide block drives both sides connecting rod mechanism movement simultaneously, realize the amplification of motion by amplifying bar group, stroke extension, opens sector gate, and the coal in loading facilities flows into skip bucket smoothly; After loading completes, carry coal skip bucket and rise, depart from and the contacting of slide block, now sector gate relies on Action of Gravity Field, drives transmission lever group and slide block to reset, and realizes closure automatically.Utilize the stroke amplification of plane six-bar linkage, in motion process, be fixedly hinged a little owing to amplifying connecting rod, to amplifying connecting rod and the distance of transmitting rod hinge connection center-point, be fixedly hinged a little to amplifying connecting rod and the distance of opening rod hinge connection center-point much smaller than amplifying connecting rod, make to transmit the little displacement of connecting rod, in the situation that amplifying connecting rod Small-angle Rotation, can obtain the large displacement transmission of opening connecting rod.Because skip bucket descending speed is large, it is large to impact, be applied to force of inertia on slide block very large, this version of amplifying bar group makes transmission lever group be applied to the power of amplifying in bar group, and the balance due to moment in transmittance process is decayed; Again through the transmission of easing lever group, the process that makes to open sector gate is stressed evenly, without impacting, steadily opening.Simultaneously, in the time that sector gate is closed, be fixedly hinged a little owing to amplifying connecting rod, to amplifying connecting rod and the distance of opening rod hinge connection center-point, be fixedly hinged a little to amplifying connecting rod and the distance of transmitting rod hinge connection center-point, under the condition of moment balance much larger than amplifying connecting rod, the gravity of gate is by the gain of the amplification realizable force of amplification bar group, drive transmission lever group and slide block movement to reset rapidly, realize the quick landing of sector gate, parking position accuracy.
Tool of the present invention has the following advantages:
(1) overcome bottom, colliery because the not high problem of Hydraulic System Reliability of the automatic control that working condition is severe, trickle is many, corrosive property is large etc. causes.
(2) realize stroke in opening process and amplify, the decay of power, without the steady unlatching of impact shock; The gain of closing course realizable force, rapid sensitive, parking position accuracy.
(3) plane six-bar linkage is used in combination, can makes driven member obtain multiple path of motion by the long ratio of bar, the phase angle that change each member, be used for meeting the needs of other similar operating modes.
As improvement of the present invention, on the arc-shaped side of the fan-shaped side plate in a described left side, there is the left connection lug that stretches out and form; On the arc-shaped side of described right wing shape side plate, there is the right connection lug that stretches out and form; The other end of above-mentioned left connection lug and left unlatching connecting rod is hinged; The other end of right connection lug and right unlatching connecting rod is hinged.
Connect the setting of lug and be convenient to open being connected of connecting rod and sector gate.
As improvement of the present invention, the present invention also comprises roller set; Above-mentioned rollers group comprises left wheel and right roller; Described left wheel and right roller are distributed in left and right two parts of slide block medial surface, and interconnect by bearing pin and bearing between slide block.
The support slipper that can be used for of roller set moves up and down along vertical track.
Accompanying drawing explanation
Fig. 1 is the structural representation that sector gate mechanical type is opened parallel institution;
Fig. 2 is the front view of the embodiment of the present invention;
Fig. 3 transmits connecting rod axonometric projection graph;
Fig. 4 amplifies connecting rod axonometric projection graph;
Fig. 5 opens connecting rod axonometric projection graph;
Fig. 6 is sector gate axonometric projection graph;
Fig. 7 is right side plane six-bar linkage kinematic sketch.
Wherein, 1-slide block; 2-transmission lever group; The left transmission connecting rod of 2-1-; The right transmission connecting rod of 2-2-; 3-amplifies bar group; The left amplification connecting rod of 3-1-; The right amplification connecting rod of 3-2-; 4-easing lever group; The left unlatching connecting rod of 4-1-; The right unlatching connecting rod of 4-2-; 5-sector gate; 5-1-cambered surface base plate; The left fan-shaped side plate of 5-2-; The left connection lug of 5-2-1-; 5-3-right wing shape side plate; The right connection lug of 5-3-1-; 6-bearing group; 6-1-left support abutment; 6-2-right support abutment; Left support abutment in the middle of 6-3-; Right support abutment in the middle of 6-4-; 7-roller set; 7-1-left wheel; The right roller of 7-2-; 8-weighing hopper; 8-1-skip bucket left side board; 8-2-skip bucket right side board; 9-chute.
The specific embodiment
As shown in Figure 1, present embodiment comprises slide block 1, transmission lever group 2, amplify bar group 3, easing lever group 4, sector gate 5, bearing group 6 and roller set 7.Described bearing group 6 comprises left support abutment 6-1, right support abutment 6-2, middle left support abutment 6-3 and middle right support abutment 6-4.
Described transmission lever group 2 comprises left transmission connecting rod 2-1 and right transmission connecting rod 2-2.Above-mentioned left transmission connecting rod 2-1 and right transmission connecting rod 2-2 are distributed in the arranged on left and right sides of slide block 1, and two one end of transmitting connecting rod are hinged and connected to respectively on slide block 1.Fig. 3 has shown a kind of structure of transmitting connecting rod.
Described amplification bar group 3 comprises left amplification connecting rod 3-1 and right amplification connecting rod 3-2.In the middle of one end of described left amplification connecting rod 3-1 is hinged and connected to, left support abutment 6-3 is upper, and the other end of left transmission connecting rod 2-1 is also hinged and connected on middle left support abutment 6-3; In the middle of one end of described right amplification connecting rod 3-2 is hinged and connected to, right support abutment 6-4 is upper, and the other end of right transmission connecting rod 2-2 is also hinged and connected on middle right support abutment 6-4.Fig. 4 has shown a kind of structure of amplifying connecting rod.
Described easing lever group 4 comprises left unlatching connecting rod 4-1 and right unlatching connecting rod 4-2.The other end of one end of described left unlatching connecting rod 4-1 and left amplification connecting rod 3-1 is hinged; The other end of one end of right unlatching connecting rod 4-2 and right amplification connecting rod 3-2 is hinged.Fig. 5 has shown a kind of structure of opening connecting rod.
As shown in Figure 6, described sector gate 5 comprises cambered surface base plate 5-1, left fan-shaped side plate 5-2 and right wing shape side plate 5-3.The fan-shaped side plate 5-2 in a described left side and right wing shape side plate 5-3 are arranged in parallel each other.The arc-shaped side of described two blocks of fan-shaped side plates is connected on the concave surface of cambered surface base plate 5-1.On the arc-shaped side of the fan-shaped side plate 5-2 in a described left side, there is the left connection lug 5-2-1 that stretches out and form; Similarly, on the arc-shaped side of described right wing shape side plate 5-3, there is the right connection lug 5-3-1 that stretches out and form.
Described sector gate left support abutment 6-1 is arranged on the lateral surface of left fan-shaped side plate 5-2, is hinged and connected to the nearly circle centre position of left fan-shaped side plate 5-2; Described sector gate right support abutment 6-2 is arranged on the lateral surface of right wing shape side plate 5-3, is hinged and connected to the nearly circle centre position of right wing shape side plate 5-3.
As shown in Figure 1, the other end of above-mentioned left connection lug 5-2-1 and left unlatching connecting rod 4-1 is hinged; The other end of right connection lug 5-3-1 and right unlatching connecting rod 4-2 is hinged.
Described roller set 7 is arranged on the medial surface of described slide block 1.Above-mentioned rollers group 7 comprises left wheel 7-1 and right roller 7-2, and described left wheel 7-1 and right roller 7-2 are distributed in left and right two parts of slide block 1 medial surface, and interconnect by bearing pin and bearing between slide block 1.Above-mentioned two rollers can be respectively around line of centers rotation separately.
As shown in Figure 2, described middle left support abutment 6-3 and middle right support abutment 6-4 are fixedly connected on respectively on the skip bucket left side board 8-1 and skip bucket right side board 8-2 of epimere of weighing hopper 8.Described left support abutment 6-1 and right support abutment 6-2 are fixedly connected on respectively the hypomere of weighing hopper 8.
In the course of the work, sector gate 5 is in first closure position, and belt conveyor is transported to the coal of certain mass in loading facilities.Now, empty lifting skip bucket moves straight down along vertical track, contacts and be with together with movable slider 1 to move downward after slowing down with certain speed with slide block 1.Slide block 1, under the support of roller set 7, moves down along vertical track.Meanwhile, transmission lever group 2 moves down, and amplify bar group 3 and rotate counterclockwise, easing lever group 4 upward movements, sector gate 5 clockwise rotates unlatching around axial line, and coal flows into and promotes skip bucket along chute 9.After skip loading completes, risen along vertical track by rope traction.After skip bucket rises, disengaging contacts with slide block 1, and opener enters reversal of stroke motion stage.Now sector gate 5 is driving link, under Action of Gravity Field, falls after rise around its center of gyration conter clockwise, easing lever group 4 moves downward, and amplifies bar group 3 and clockwise rotates, transmission lever group 2 upward movements, slide block 1 upward movement, resets along vertical track, and sector gate 5 is realized automatically closed.

Claims (1)

1. open parallel institution for the sector gate mechanical type of skip bucket quantitative loading, comprise sector gate (5), it is characterized in that: also comprise slide block (1), transmission lever group (2), amplify bar group (3), easing lever group (4), bearing group (6); Described bearing group (6) comprises left support abutment (6-1), right support abutment (6-2), middle left support abutment (6-3) and middle right support abutment (6-4); Described transmission lever group (2) comprises left transmission connecting rod (2-1) and right transmission connecting rod (2-2); Above-mentioned left transmission connecting rod (2-1) and right transmission connecting rod (2-2) are distributed in the arranged on left and right sides of slide block (1), and two one end of transmitting connecting rod are hinged and connected to respectively on slide block (1); Described amplification bar group (3) comprises left amplification connecting rod (3-1) and right amplification connecting rod (3-2); In the middle of one end of described left amplification connecting rod (3-1) is hinged and connected to, left support abutment (6-3) is upper, and the other end of left transmission connecting rod (2-1) is also hinged and connected on middle left support abutment (6-3); In the middle of one end of described right amplification connecting rod (3-2) is hinged and connected to, right support abutment (6-4) is upper, and the other end of right transmission connecting rod (2-2) is also hinged and connected on middle right support abutment (6-4); Described easing lever group (4) comprises left unlatching connecting rod (4-1) and right unlatching connecting rod (4-2); The other end of one end of described left unlatching connecting rod (4-1) and left amplification connecting rod (3-1) is hinged; The other end of one end of right unlatching connecting rod (4-2) and right amplification connecting rod (3-2) is hinged; Described sector gate (5) comprises cambered surface base plate (5-1), left fan-shaped side plate (5-2) and right wing shape side plate (5-3); The fan-shaped side plate in a described left side (5-2) and right wing shape side plate (5-3) are arranged in parallel each other, and the arc-shaped side of described two blocks of fan-shaped side plates is connected on the concave surface of cambered surface base plate (5-1); The other end of left unlatching connecting rod (4-1) is hinged and connected on the arc-shaped side of left fan-shaped side plate (5-2), and the other end of right unlatching connecting rod (4-2) is hinged and connected on the arc-shaped side of right wing shape side plate (5-3); Described left support abutment (6-1) is arranged on the lateral surface of left fan-shaped side plate (5-2), is hinged and connected to the nearly circle centre position of left fan-shaped side plate (5-2); Described right support abutment (6-2) is arranged on the lateral surface of right wing shape side plate (5-3), is hinged and connected to the nearly circle centre position of right wing shape side plate (5-3).
2. the sector gate mechanical type for skip bucket quantitative loading according to claim 1 is opened parallel institution, it is characterized in that: on the arc-shaped side of the fan-shaped side plate in a described left side (5-2), have the left connection lug (5-2-1) that stretches out and form; On the arc-shaped side of described right wing shape side plate (5-3), there is the right connection lug (5-3-1) that stretches out and form; Above-mentioned left connection lug (5-2-1) is hinged with the other end of left unlatching connecting rod (4-1); Right connection lug (5-3-1) is hinged with the other end of right unlatching connecting rod (4-2).
3. the sector gate mechanical type for skip bucket quantitative loading according to claim 1 and 2 is opened parallel institution, it is characterized in that: also comprise roller set (7); Above-mentioned rollers group (7) comprises left wheel (7-1) and right roller (7-2); Described left wheel (7-1) and right roller (7-2) are distributed in left and right two parts of slide block (1) medial surface, and interconnect by bearing pin and bearing between slide block (1).
CN201210320557.4A 2012-09-03 2012-09-03 Mechanical opening parallel mechanism with sector gate for quantitative loading of skip Expired - Fee Related CN102795487B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109649885A (en) * 2018-12-14 2019-04-19 中国矿业大学 A kind of large-tonnage skip bucket gate combines opening device with pod

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU171776U1 (en) * 2016-12-20 2017-06-15 Общество с ограниченной ответственностью "Пневмотранспорт" SECTOR BUNKER LOCK FOR LARGE-GRAIN, BULK AND POWDERED MATERIALS
RU196923U1 (en) * 2020-01-22 2020-03-20 Общество с ограниченной ответственностью "Пневмотранспорт" DEVICE FOR PNEUMATIC TRANSPORTATION IN PISTON MODE OF POWDER AND LIQUID MATERIALS
RU196947U1 (en) * 2020-01-22 2020-03-23 Общество с ограниченной ответственностью "Пневмотранспорт" DEVICE FOR PNEUMATIC TRANSPORTATION IN PISTON MODE OF POWDER AND LIQUID MATERIALS

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Publication number Priority date Publication date Assignee Title
GB1112483A (en) * 1964-11-23 1968-05-08 Siemag Masch Stahlbau System for loading skip conveyors
CN2663383Y (en) * 2003-12-10 2004-12-15 山东煤矿泰安机械厂 Hoisting skip bottom-discharging apparatus
CN1569602A (en) * 2004-05-10 2005-01-26 中国矿业大学 Energy absorption type automatically quantitative loading device
CN201411308Y (en) * 2009-05-22 2010-02-24 徐州煤矿安全设备制造有限公司 Self-powered up-open type fan-shaped gate skip

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Publication number Priority date Publication date Assignee Title
JP2003012260A (en) * 2001-07-04 2003-01-15 Nissei Koki Kk Skip device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1112483A (en) * 1964-11-23 1968-05-08 Siemag Masch Stahlbau System for loading skip conveyors
CN2663383Y (en) * 2003-12-10 2004-12-15 山东煤矿泰安机械厂 Hoisting skip bottom-discharging apparatus
CN1569602A (en) * 2004-05-10 2005-01-26 中国矿业大学 Energy absorption type automatically quantitative loading device
CN201411308Y (en) * 2009-05-22 2010-02-24 徐州煤矿安全设备制造有限公司 Self-powered up-open type fan-shaped gate skip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109649885A (en) * 2018-12-14 2019-04-19 中国矿业大学 A kind of large-tonnage skip bucket gate combines opening device with pod

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