CN102795487A - 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
CN102795487A
CN102795487A CN2012103205574A CN201210320557A CN102795487A CN 102795487 A CN102795487 A CN 102795487A CN 2012103205574 A CN2012103205574 A CN 2012103205574A CN 201210320557 A CN201210320557 A CN 201210320557A CN 102795487 A CN102795487 A CN 102795487A
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China
Prior art keywords
connecting rod
hinged
side plate
support abutment
slide block
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CN2012103205574A
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Chinese (zh)
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CN102795487B (en
Inventor
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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Publication of CN102795487A publication Critical patent/CN102795487A/en
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Publication of CN102795487B publication Critical patent/CN102795487B/en
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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

The sector gate mechanical type that is used for the skip bucket quantitative loading is opened parallel institution
Technical field
The present invention relates to a kind of unlatching parallel institution, especially a kind of sector gate mechanical type that is used for the skip bucket quantitative loading is opened parallel institution.
Background technology
In many links 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 the constant volume loading and decide two kinds of heavy cartridges.
During constant volume loads, adopt a kind of mechanical loading gate of tiger mouth formula usually, this device ten minutes is heavy, and the open and close of gate lean on counterweight to realize, occur the not smooth and stagnant coal phenomenon of slide coal easily.Frequent and skip bucket collision in the loaded reseting procedure, the impulsive force that causes is very big, and the skip bucket distortion is big, and the sector gate maintenance workload is big.Mechanical position limitation is inaccurate simultaneously, and the phenomenon that easy appearance does not reset has had a strong impact on and promoted safely and promote efficient.
Decide in the heavy cartridges, adopt the hydraulic efficiency pressure system of automation control usually, but because bottom, colliery working condition is abominable; Mine ponding is very serious to the corrosion of hydraulic efficiency pressure system; Occur fluid easily and reveal, component wear is until inefficacy; So adopt the automatically controlled Hydraulic System Reliability not high, the daily attention amount is big.Simultaneously, because life period hysteresis quality, hydraulic efficiency impact, actr characteristics such as creep in the fluid control, it is bigger that system itself receives external influence, increased a lot of difficulties for the control of hydraulic efficiency pressure system.
Hence one can see that, and all there is certain defective in the use in present all kinds of devices.For this reason, be necessary to design a kind of technical solution of new physical construction, be used for coaling effective opening and closing of sector gate of skip bucket.
Summary of the invention
The objective of the invention is the problem that exists to prior art, the sector gate mechanical type that is used for the skip bucket quantitative loading of a kind of simple in structure, excellent working performance is provided, steadily opening, fall after rise fast and be easy to safeguard is opened parallel institution.
For realizing above-mentioned purpose, sector gate mechanical type of the present invention is opened parallel institution and is comprised slide block, transmits the bar group, amplifies bar group, easing lever group, sector gate, bearing group; Said bearing group comprises left support abutment, right support abutment, middle left support abutment and middle right support abutment; Said transmission linkage rod group comprises that connecting rod is transmitted on a left side and connecting rod is transmitted on the right side; An above-mentioned left side is transmitted connecting rod and is transmitted the and arranged on left and right sides that connecting rod is distributed in slide block with the right side, and two ends that transmit connecting rod are hinged and connected on the slide block respectively; Said amplification bar group comprises that connecting rod is amplified on a left side and connecting rod is amplified on the right side; On the left support abutment, the other end that connecting rod is transmitted on a left side also was hinged and connected on the middle left support abutment in the middle of a said left end that amplifies connecting rod was hinged and connected to; On the right support abutment, the right other end that transmits connecting rod also was hinged and connected on the middle right support abutment in the middle of the end that connecting rod is amplified on the said right side was hinged and connected to; Said easing lever group comprises that connecting rod is opened on a left side and connecting rod is opened on the right side; The end that connecting rod is opened on a said left side is hinged with the left other end that amplifies connecting rod; A right end of opening connecting rod is hinged with the right other end that amplifies connecting rod; Said sector gate comprises cambered surface base plate, left fan-shaped side plate and right wing shape side plate; Fan-shaped side plate in a said left side and right wing shape side plate are arranged in parallel each other, and the arc limit of said two blocks of fan-shaped side plates is connected on the concave surface of cambered surface base plate; The other end that connecting rod is opened on a left side is hinged and connected on the arc limit of left fan-shaped side plate, and the right other end of opening connecting rod is hinged and connected on the arc limit of right wing shape side plate; Said 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; Said 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, connecting rod is amplified on slide block, left side transmission connecting rod, a left side, connecting rod, sector gate and plane six-bar linkage of left support abutment formation are opened in a left side; Slide block, right transmission connecting rod, right connecting rod, right connecting rod, sector gate and another plane six-bar linkage of right support abutment formation opened of amplifying.Slide block connects left and right two plane six-bar linkages simultaneously, plays interlock intermediary, makes left and right two plane six-bar linkages move simultaneously, has concertedness preferably.In the real work, a left side is amplified connecting rod and is amplified the epimere that connecting rod is hinged and connected to weighing hopper respectively with the right side.Left support abutment and right support abutment are fixedly connected on the hypomere of weighing hopper respectively.When sky carry the coal skip bucket when the vertical track descends, the edge of skip bucket drives slide block and moves downward along track, slide block drives the both sides connecting rod mechanism movement simultaneously; Through amplifying the amplification of bar group realization motion; Enlarge stroke, make sector gate open, the coal in the loading facilities flows into skip bucket smoothly; After load accomplishing, carry the coal skip bucket and rise, break away from and the contacting of slide block, this moment, sector gate relied on action of gravity, drove to transmit the bar group and slide block resets, the realization auto-closing.Utilize the stroke amplification of plane six-bar linkage; In motion process, be fixedly hinged a little owing to amplify connecting rod, to amplifying connecting rod and the distance of transmitting the rod hinge connection center-point; Be fixedly hinged a little to amplifying connecting rod and the distance of opening the rod hinge connection center-point much smaller than amplifying connecting rod; Feasible little displacement of transmitting connecting rod, under the situation of amplifying the rotation of connecting rod low-angle, the big displacement transmission that can obtain to open connecting rod.Because the skip bucket descending speed is big, it is big to impact, the force of inertia that affacts on the slide block is very big, and this version of amplifying the bar group makes that transmitting the bar group affacts the power of amplifying on the bar group, in transmittance process because the balance of moment obtains decay; Through the transmission of easing lever group, make that the process of opening sector gate is stressed evenly, do not have and impact, steadily open again.Simultaneously, when sector gate is closed, be fixedly hinged a little owing to amplify connecting rod; To amplifying connecting rod and the distance of opening the rod hinge connection center-point, be fixedly hinged a little to amplifying connecting rod and the distance of transmitting the rod hinge connection center-point, under the condition of moment balance much larger than amplifying connecting rod; The gravity of gate is through the gain of the amplification realizable force of amplification bar group; Drive transmission bar group and slide block movement and reset rapidly, realize the quick landing of sector gate, accurately reset.
The present invention has following advantage:
(1) overcome the bottom, colliery because the not high problem of automatically controlled Hydraulic System Reliability that working condition is abominable, trickle is many, corrosive property is big etc. causes.
(2) realize that stroke amplifies in the opening process, the decay of power, the steady unlatching of no impact shock; The gain of closing course realizable force, rapid sensitive accurately resets.
(3) the plane six-bar linkage combination is used, can made driven member obtain multiple path of motion, be used for satisfying the needs of other similar operating modes through the long ratio of the bar that changes each member, phase angle.
As improvement of the present invention, the left side that on the arc limit of the fan-shaped side plate in a said left side, having stretches out forms connects lug; The right side that on the arc limit of said right wing shape side plate, having stretches out forms connects lug; An above-mentioned left side connects lug and is hinged with the left other end of opening connecting rod; The right lug that connects is hinged with the right other end of opening connecting rod.
The setting that connects lug is convenient to open being connected of connecting rod and sector gate.
As improvement of the present invention, the present invention also comprises roller set; The above-mentioned rollers group comprises left wheel and right roller; Said left wheel and right roller are distributed on left and right two parts of slide block medial surface, and interconnect through bearing pin and bearing between the slide block.
The support slipper that can be used for of roller set moves along the vertical track is upper and lower.
Description of drawings
Fig. 1 is the structural representation that the sector gate mechanical type is opened parallel institution;
Fig. 2 is the front view of the embodiment of the invention;
Fig. 3 transmits the connecting rod axonometric projection graph;
Fig. 4 amplifies the connecting rod axonometric projection graph;
Fig. 5 opens the connecting rod axonometric projection graph;
Fig. 6 is the sector gate axonometric projection graph;
Fig. 7 is a right side plane six-bar linkage kinematic sketch.
Wherein, 1-slide block; 2-transmits the bar group; 2-1-transmits connecting rod in a left side; The right connecting rod that transmits of 2-2-; 3-amplifies the bar group; 3-1-amplifies connecting rod in a left side; The right connecting rod that amplifies of 3-2-; 4-easing lever group; 4-1-opens connecting rod in a left side; The right connecting rod of opening of 4-2-; The 5-sector gate; 5-1-cambered surface base plate; The fan-shaped side plate in a 5-2-left side; A 5-2-1-left side connects lug; 5-3-right wing shape side plate; The right lug that connects of 5-3-1-; 6-bearing group; The 6-1-left support abutment; The 6-2-right support abutment; Left support abutment in the middle of the 6-3-; Right support abutment in the middle of the 6-4-; The 7-roller set; The 7-1-left wheel; The right roller of 7-2-; The 8-weighing hopper; 8-1-skip bucket left side board; 8-2-skip bucket right side board; The 9-chute.
The specific embodiment
As shown in Figure 1, comprise slide block 1 in this embodiment, transmit bar group 2, amplify bar group 3, easing lever group 4, sector gate 5, bearing group 6 and roller set 7.Said 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.
Said transmission bar group 2 comprises that connecting rod 2-1 is transmitted on a left side and connecting rod 2-2 is transmitted on the right side.An above-mentioned left side is transmitted connecting rod 2-1 and is transmitted the and arranged on left and right sides that connecting rod 2-2 is distributed in slide block 1 with the right side, and two ends that transmit connecting rod are hinged and connected to respectively on the slide block 1.Fig. 3 has shown a kind of structure of transmitting connecting rod.
Said amplification bar group 3 comprises that connecting rod 3-1 is amplified on a left side and connecting rod 3-2 is amplified on the right side.On the left support abutment 6-3, the other end that connecting rod 2-1 is transmitted on a left side also was hinged and connected on the middle left support abutment 6-3 in the middle of a said left end that amplifies connecting rod 3-1 was hinged and connected to; On the right support abutment 6-4, the right other end that transmits connecting rod 2-2 also was hinged and connected on the middle right support abutment 6-4 in the middle of the end that connecting rod 3-2 is amplified on the said right side was hinged and connected to.Fig. 4 has shown a kind of structure of amplifying connecting rod.
Said easing lever group 4 comprises that connecting rod 4-1 is opened on a left side and connecting rod 4-2 is opened on the right side.The end that connecting rod 4-1 is opened on a said left side is hinged with the left other end that amplifies connecting rod 3-1; A right end of opening connecting rod 4-2 is hinged with the right other end that amplifies connecting rod 3-2.Fig. 5 has shown a kind of structure of opening connecting rod.
As shown in Figure 6, said 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.Fan-shaped side plate 5-2 in a said left side and right wing shape side plate 5-3 are arranged in parallel each other.The arc limit of said two blocks of fan-shaped side plates is connected on the concave surface of cambered surface base plate 5-1.The left side that on the arc limit of the fan-shaped side plate 5-2 in a said left side, having stretches out forms connects lug 5-2-1; Similarly, on the arc limit of said right wing shape side plate 5-3, have the right side that forms that stretches out and connect lug 5-3-1.
Said 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; Said 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, an above-mentioned left side connects lug 5-2-1 and is hinged with the left other end of opening connecting rod 4-1; The right lug 5-3-1 that connects is hinged with the right other end of opening connecting rod 4-2.
Said roller set 7 is arranged on the medial surface of said slide block 1.Above-mentioned rollers group 7 comprises left wheel 7-1 and right roller 7-2, and said left wheel 7-1 and right roller 7-2 are distributed on left and right two parts of slide block 1 medial surface, and interconnect through bearing pin and bearing between the slide block 1.Above-mentioned two rollers can be respectively around line of centers rotation separately.
As shown in Figure 2, said in the middle of left support abutment 6-3 and middle right support abutment 6-4 be 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.Said left support abutment 6-1 and right support abutment 6-2 are fixedly connected on the hypomere of weighing hopper 8 respectively.
In the course of the work, sector gate 5 is in the first closure position, and belt conveyor is transported to the coal of certain mass in the loading facilities.At this moment, empty lifting skip bucket moves along the vertical track straight down, after slowing down, moves downward with slide block 1 contact and drive slide block 1 with certain speed.Slide block 1 moves down along the vertical track under the support of roller set 7.Simultaneously, transmit bar group 2 and move down, amplify bar group 3 and rotate counterclockwise, easing lever group 4 upward movements, sector gate 5 clockwise rotate unlatching around axial line, and coal flows into along chute 9 and promotes skip buckets.Skip loading is risen along the vertical track by rope traction after accomplishing.After skip bucket rose, disengaging contacted with slide block 1, and opener gets into the reversal of stroke motion stage.This moment, sector gate 5 was a driving link, and by gravity falls after rise around its center of gyration conter clockwise; Easing lever group 4 moves downward, and amplifies bar group 3 and clockwise rotates, and transmits bar group 2 upward movements; Slide block 1 upward movement resets along the vertical track, and sector gate 5 is realized auto-closing.

Claims (3)

1. the sector gate mechanical type that is used for the skip bucket quantitative loading is opened parallel institution, it is characterized in that: comprise slide block (1), transmit bar group (2), amplify bar group (3), easing lever group (4), sector gate (5), bearing group (6); Said 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); Said transmission linkage rod group (2) comprises that connecting rod (2-1) is transmitted on a left side and connecting rod (2-2) is transmitted on the right side; Connecting rod (2-1) is transmitted on an above-mentioned left side and the and arranged on left and right sides that connecting rod (2-2) is distributed in slide block (1) is transmitted on the right side, and two ends that transmit connecting rods are hinged and connected to respectively on the slide block (1); Said amplification bar group (3) comprises that connecting rod (3-1) is amplified on a left side and connecting rod (3-2) is amplified on the right side; On the left support abutment (6-3), the other end that connecting rod (2-1) is transmitted on a left side also was hinged and connected on the middle left support abutment (6-3) in the middle of a said left end that amplifies connecting rod (3-1) was hinged and connected to; On the right support abutment (6-4), the right other end that transmits connecting rod (2-2) also was hinged and connected on the middle right support abutment (6-4) in the middle of the end that connecting rod (3-2) is amplified on the said right side was hinged and connected to; Said easing lever group (4) comprises that connecting rod (4-1) is opened on a left side and connecting rod (4-2) is opened on the right side; The end that connecting rod (4-1) is opened on a said left side is hinged with the left other end that amplifies connecting rod (3-1); A right end of opening connecting rod (4-2) is hinged with the right other end that amplifies connecting rod (3-2); Said 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); Fan-shaped side plate in a said left side (5-2) and right wing shape side plate (5-3) are arranged in parallel each other, and the arc limit of said two blocks of fan-shaped side plates is connected on the concave surface of cambered surface base plate (5-1); The other end that connecting rod (4-1) is opened on a left side is hinged and connected on the arc limit of left fan-shaped side plate (5-2), and the right other end of opening connecting rod (4-2) is hinged and connected on the arc limit of right wing shape side plate (5-3); Said 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); Said 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 that is used for the skip bucket quantitative loading according to claim 1 is opened parallel institution, it is characterized in that: the left side that on the arc limit of the fan-shaped side plate in a said left side (5-2), having stretches out forms connects lug (5-2-1); The right side that on the arc limit of said right wing shape side plate (5-3), having stretches out forms connects lug (5-3-1); An above-mentioned left side connects lug (5-2-1) and is hinged with the left other end of opening connecting rod (4-1); The right lug (5-3-1) that connects is hinged with the right other end of opening connecting rod (4-2).
3. the sector gate mechanical type that is used for the 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); Said left wheel (7-1) and right roller (7-2) are distributed on left and right two parts of slide block (1) medial surface, and interconnect through bearing pin and bearing between the 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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CN102795487B CN102795487B (en) 2014-06-25

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Cited By (4)

* 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
WO2020119198A1 (en) * 2018-12-14 2020-06-18 中国矿业大学 Apparatus for jointly opening large-tonnage skip gates and diversion cover

Citations (5)

* 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
JP2003012260A (en) * 2001-07-04 2003-01-15 Nissei Koki Kk Skip device
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

Patent Citations (5)

* 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
JP2003012260A (en) * 2001-07-04 2003-01-15 Nissei Koki Kk Skip device
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 (4)

* 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
WO2020119198A1 (en) * 2018-12-14 2020-06-18 中国矿业大学 Apparatus for jointly opening large-tonnage skip gates and diversion cover
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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