CN207699078U - A kind of three section folding conveyers that hoist engine automatically controls - Google Patents
A kind of three section folding conveyers that hoist engine automatically controls Download PDFInfo
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- CN207699078U CN207699078U CN201721535830.XU CN201721535830U CN207699078U CN 207699078 U CN207699078 U CN 207699078U CN 201721535830 U CN201721535830 U CN 201721535830U CN 207699078 U CN207699078 U CN 207699078U
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- Prior art keywords
- conveying arm
- hoist engine
- portal frame
- arm
- hinge hole
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Abstract
The utility model discloses the three section folding conveyers that a kind of hoist engine automatically controls, including three section conveying arms, main portal frame, hoist engine, it is characterised in that:Further include auxiliary portal frame I, auxiliary portal frame II, hydraulic cylinder, limiting device I, limiting device II, steel wire rope;The conveying arm is all made of parallel chord truss formula structure;The auxiliary portal frame I is hinged on the second conveying arm big end hinge hole, and limiting device I is provided on hinge hole;The auxiliary portal frame II is hinged on the second conveying arm small end hinge hole, and limiting device II is provided on hinge hole;The hoist engine, hydraulic cylinder, main portal frame are installed on hull.The utility model has sufficiently long conveying arm, while hydraulic cylinder is flipped up and do not used in folding process, and it is negative remaining to reduce belt, reduce cost, mitigate conveying arm quality, solve conveying arm quality it is excessive lead to problems such as ship center of gravity lean forward cause occur safety accident, improve safety coefficient.
Description
Technical field
The utility model belongs to conveyer field, and conveying is folded more particularly to three sections that a kind of hoist engine automatically controls
Machine.
Background technology
Since the fixed conveying arm of self-unloading ship is easy to collide to generate security risk with bridge or ship, so
Most of current self-unloading ship uses the conveying arm of recoverable free-standing.But it is still deposited in current foldable conveying arm
In problems with:(1)Conveying arm is folded down, and it is larger that belt bears surplus;(2)Because of the limitation of structure design, lead to structure bulky,
Of high cost, delivered length is limited;(3)Safety coefficient is not high, and conveying arm is susceptible to the phenomenon that fractureing.
1) patent document CN201310014167.9 discloses a kind of hydraulic folding transfer arm for self-unloading sand carriers.Its
Main technical schemes are:Including three-level arm, the four-bar mechanism of three-level arm, two level arm, level-one arm, steel wire rope, draw off gear, work
The four-bar mechanism composition of platform, two level arm;It can realize the function of upwardly or downwardly folding, by Finite Element Analysis Design, ensure
Conveying arm has enough structural rigidities to ensure its safety when unrestrained when unloading excess load and to the wind;But it, which is folded, uses hydraulic oil
Cylinder not only considerably increases production cost, while outrigger own wt being made to increase, and there is folding, conveying arm quality is excessive leads to ship
Oceangoing ship center of gravity, which leans forward, leads to occur safety accident, and operation is not steady enough, and there are security risks.
2) patent document CN201410530965.1 discloses a kind of self-unloading oceangoing ship outrigger foldable belt conveyor
And its application method.Its main technical schemes is:The second outrigger for being hinged on hull including one end, bottom end are hinged on outside second
First outrigger of the frame other end, is arranged in second outrigger one end the first outrigger portal frame being hinged on above the first outrigger bottom end
Overturning portal frame, outrigger overturning telescopic oil cylinder, the first outrigger activity draw the take-up oil cylinder of cable, hoist engine, the first outrigger to adjust
Draw cable, the second outrigger lift adjustment that cable, the first outrigger is drawn to draw cable I;This utility model mainly describes a kind of folding arm, can realize
The folder function of arm is folded, but it does not have sufficiently long folding arm, cannot solve the increasing with self-unloading oceangoing ship tonnage, ship is therewith
Increase lengthening, draft also further increases this major issue.And fold arm and be folded down, make the negative remaining mistake of belt belt
Greatly, there are security risks.
3) patent document CN201120544218.5 discloses a kind of foldable arm rack.Its main technical schemes is:Including principal arm,
Fold arm and jib lubbing mechanism;Jib lubbing mechanism includes first connecting rod, telescopic oil cylinder and second connecting rod;One end of first connecting rod and principal arm
Front be articulated with the second hinge, the second hinge is located at the rear side of the first hinge;Telescopic oil cylinder is placed in the hinged end of principal arm
In the front ontology of principal arm, and the two is articulated with third hinge, and the 4th hinge is articulated in the middle part of overhanging end and first connecting rod.
This utility model mainly describes a kind of foldable arm rack, can realize folding process, but its folding process uses hydraulic cylinder, aggravate
The weight of foldable arm rack, cumbersome, cost is higher and there are security risks, so not being suitable for being mounted on self-unloading oceangoing ship.
Invention content
Technically exist for existing self-unloading oceangoing ship conveying arm it is of high cost, belt bear surplus it is big, from the various aspects such as great
Deficiency, the utility model provide a kind of three section folding conveyers that hoist engine safe and reliable to operation, easy to operate automatically controls.
A kind of three section folding conveyers that hoist engine automatically controls, including three section conveying arms, main portal frame 6, hoist engine;Its
It is characterized in that:Further include auxiliary portal frame I 14, auxiliary portal frame II 18, hydraulic cylinder 5, limiting device I 15, limiting device II 17, steel
Cord;First conveying arm 13 uses parallel chord truss formula structure, and big end and the pedestal on hull are hinged, small end
It is hinged with 16 big end of the second conveying arm;The big end of the third conveying arm 19 and the small end of the second conveying arm 16 are hinged;It is described auxiliary
Portal frame I 14 is hinged on 16 big end hinge hole of the second conveying arm, and limiting device I 15 is provided on hinge hole;Described auxiliary gantry
Frame II 18 is hinged on 16 small end hinge hole of the second conveying arm, and limiting device II 17 is provided on hinge hole;The hoist engine
It including hoist engine I 1, hoist engine II 2, hoist engine III 3, hoist engine IV 4, is sequentially arranged on hull, hoist engine I 1 passes through steel wire
It restricts I 12 pulley blocks for connecting the first conveying arm 13 side around main portal frame top pulley blocks 7, hoist engine II 2 passes through steel wire rope
II 11 connect the pulley blocks of auxiliary portal frame I 14 around main portal frame top pulley blocks 7, hoist engine III 3 by steel wire rope III 10 around
The pulley blocks of the auxiliary portal frame of 7 groups of connections of main portal frame top pulley II 18 are crossed, hoist engine IV 4 bypasses main dragon by steel wire rope IV 9
Door frame top pulley blocks 7 connect the pulley blocks of 19 side of third conveying arm;The main portal frame 6 is mounted on hull, passes through liquid
Compressing cylinder 5 realizes its 90 degree foldings, and support shaft 8 and pressure sensor are equipped on the outside of portal frame upper end.
The limitation axis of the limiting device is Step Shaft, and one end is helicitic texture, and the other end is terraced steps, is prevented auxiliary
Portal frame I is moved left and right with auxiliary portal frame II, it is made steadily to rely on limitation axis.
Support shaft 8 and pressure sensor are installed on the outside of 6 upper end of main portal frame, contacted with support shaft 8 when arm support or
Separation, pressure sensor detect that pressure or pressure disappear, and automatic control system can start or stop hydraulic cylinder 5, make automatically
Main portal frame 6 and hydraulic cylinder 5 can accurately arrive at operating position, and easy to operate, effectively operation error be avoided to bring
Security risk.
The main portal frame 6 is sequentially installed with four groups of pulleys from the bottom up, be respectively intended to around hoist engine I 1, hoist engine II 2,
The steel wire rope of hoist engine III 3, hoist engine IV 4, enables each steel wire rope independently to work, and does not generate interference.
The pulley blocks of first conveying arm 13, the second conveying arm 16 and third conveying arm 19 are welded on conveying arm side
Face, and welding position is provided with reinforcing plate, in the connecting plate that is provided at both ends with of the first conveying arm 13 and the second conveying arm 16, and
It is provided with hinge hole, the big end of third conveying arm 19 is provided with connecting plate, and is provided with hinge hole;Second conveying arm, 16 both ends
Hinged hole site is different, and one end hinge hole is positioned close to conveying arm upper surface, and other end hinge hole is positioned close to conveying arm
Lower surface, three section conveying arms are rotated by hinge hole, realize the folding and expansion of arm support.
The three section folding conveyers that the hoist engine automatically controls are controlled using programmable control system, and hoist engine passes through hand
Hold remote controller operation so that in folding process, operation is simpler, and positioning is more accurate.
The hoist engine automatically control three section folding conveyers operating method be:1)Arm support is unfolded, starts hydraulic oil
Cylinder 5 is jacked up three sections of arm at vertical state by main portal frame 6;Start hoist engine I 1, broadcasts steel wire rope I 12, make conveying arm
It is unfolded under the action of self-weight;Start hoist engine II 2, tense wire rope II 11, by the second conveying arm 16 together with third conveying arm
19 are stretched to the first conveying arm 13 collinearly;Start hoist engine III 3, tense wire rope III 10 reversely draws third conveying arm 19
Rise to vertical state;Start hoist engine IV 4, tense wire rope IV 9 slowly broadcasts third conveying arm 19, makes it in the work of dead weight
With it is lower with it is other two section conveying arm it is conllinear, it is in running order;2)Recycle arm support, removal process and expansion arm support operating process phase
Instead, principle is identical.
Compared with existing similar product, the utility model advantageous effect is:It is simple for structure to weld three sections of arm, remote control
Remote operation is simple;There is the conveying arm of overlength simultaneously, can solve the key technology difficulty of self-unloading oceangoing ship extra long distance conveying, and with
The increasing of self-unloading oceangoing ship tonnage, ship increase lengthening therewith, and draft also further increases this problem;Third conveying arm simultaneously
It flips up and is overlapped with the second conveying arm, greatly reduce the negative remaining of belt;And oil cylinder is not used in the process of folding, significantly
It reduces and installs and uses cost;Truss light-weight design conveying arm, arm support own wt reduce, and not only reduce directly production system
It causes this, can solve that conveying arm quality is excessive to be led to problems such as ship center of gravity lean forward to lead to that safety accident occurs, make operation more
Steadily, safety coefficient is greatly improved.
Description of the drawings
Fig. 1 is the schematic diagram under folding conveyer operational configuration.
Fig. 2 is that portal frame jacks up three section conveying arms to the schematic diagram of vertical state;.
Fig. 3 is the schematic diagram that the first conveying arm and the second conveying arm are unfolded under the pulling force of gravity and steel wire rope.
Fig. 4 is that the first conveying arm and the second conveying arm reach operating position, the also not deployed schematic diagram of third conveying arm.
Fig. 5 is pulling force of the third conveying arm in steel wire rope III after the first conveying arm and the second conveying arm reach operating position
The schematic diagram of vertical state is expanded under effect.
Fig. 6 is the schematic diagram under folding conveyer working condition.
Fig. 7 is the schematic diagram of third conveying arm and the second conveying arm junction.
Fig. 8 is the schematic diagram of the limiting device on the second conveying arm hinge hole.
Reference sign:1-hoist engine I, 2-hoist engines II, 3-hoist engines III, 4-hoist engines IV, 5-hydraulic oil
Cylinder, 6-main portal frames, 7-main portal frame top pulley blocks, 8-support shafts, 9-steel wire ropes IV, 10-steel wire ropes III, 11-
Steel wire rope II, 12-steel wire ropes I, the 13-the first conveying arm, 14-auxiliary portal frames I, 15-limiting devices I, the 16-the second conveying
Arm, 17-limiting devices II, 18-auxiliary portal frames II, 19-third conveying arms.
Specific implementation mode
The utility model will be further described with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the three section folding conveyers that a kind of hoist engine automatically controls, including three section conveying arms, main portal frame
6, hoist engine;It is characterized in that:Further include auxiliary portal frame I 14, auxiliary portal frame II 18, hydraulic cylinder 5, limiting device I 15, limit
Device II 17, steel wire rope;First conveying arm 13 uses parallel chord truss formula structure, big end and the pedestal on hull
Hinged, small end and 16 big end of the second conveying arm are hinged, and junction is located at below the first conveying arm 13 and the second conveying arm 16;
The big end of the third conveying arm 19 and the small end of the second conveying arm 16 are hinged, and junction is located at the second conveying arm 16 and third
The upper surface of conveying arm 19;The auxiliary portal frame I 14 is hinged on 13 big end hinge hole of the second conveying arm;The centre of the conveying arm
Roller station is uniformly installed, side is welded with pulley blocks, and welding position is provided with reinforcing plate on truss cross bar;The auxiliary dragon
Door frame II 18 is hinged on 16 small end hinge hole of the second conveying arm, and is provided with by helicitic texture and terraced steps group on hinge hole
At limiting device 17;The hoist engine includes hoist engine I 1, hoist engine II 2, hoist engine III 3, hoist engine IV 4, is installed successively
On hull, hoist engine I 1 connects the cunning of 13 side of the first conveying arm by steel wire rope I 12 around main portal frame top pulley blocks 7
Wheel group, hoist engine II 2 are connected the pulley blocks of auxiliary portal frame I 14 around main portal frame top pulley blocks 7 by steel wire rope II 11, made
The second conveying arm 16 is obtained to overlap with the first conveying arm 13 downwards together with third conveying arm 19;Hoist engine III 3 passes through steel wire rope III 10
The pulley blocks of auxiliary portal frame II 18 are connected around main portal frame top pulley blocks 7, hoist engine IV 4 is by steel wire rope IV 9 around master
Portal frame top pulley blocks 7 connect the pulley blocks of 19 side of third conveying arm so that third conveying arm 19 flips up and second
Conveying arm 16 overlaps;The main portal frame 6 is mounted on hull, its 90 degree foldings, portal frame upper end are realized by hydraulic cylinder 5
Outside is equipped with support shaft 8 and pressure sensor.
As shown in Fig. 2, support shaft 8 and pressure sensor are equipped on the outside of 6 upper end of main portal frame, when arm support and support
Axis 8 contacts or separation, and pressure sensor detects that pressure or pressure disappear, and automatic control system can start or stop hydraulic pressure automatically
Oil cylinder 5;The main portal frame 6 is sequentially installed with four groups of pulleys from the bottom up, is respectively intended to around hoist engine I 1, hoist engine II 2, volume
Raise the steel wire rope of machine III 3, hoist engine IV 4;The pulley blocks of first conveying arm 13, the second conveying arm 16 and third conveying arm 19
It is welded on conveying arm side, and welding position is provided with reinforcing plate, the two of the first conveying arm 13 and the second conveying arm 16
End is provided with connecting plate, and is provided with hinge hole, and the big end of third conveying arm 19 is provided with connecting plate, and is provided with hinge hole;It is described
The hinged hole site at 16 both ends of the second conveying arm is different, and one end hinge hole is positioned close to conveying arm upper surface, and the other end is hinged
Hole is positioned close to conveying arm lower surface, and three section conveying arms are rotated by hinge hole, realize the folding and expansion of arm support.
It is the different operating attitude of conveyer as shown in figures 2-6, the operation principle of conveyer is:In the process of expansion arm support
In, start hydraulic cylinder 5 first, is jacked up three sections of arm at vertical state by main portal frame 6;Restart hoist engine I 1, puts
Steel wire rope I 12 is sent, conveying arm is made to be unfolded under the action of self-weight, the first conveying arm 13 reaches operating position;Then start elevator
Second conveying arm 16 is stretched to the first conveying arm 13 collinearly by machine II 2, tense wire rope II 11 together with third conveying arm 19,
The second conveying arm 16 is in running order at that time;Finally carry out broadcasting for third conveying arm 19:Start hoist engine III 3, tenses steel
Third conveying arm 19 is reversely pulled up to vertical state by cord III 10, and then startup hoist engine IV 4, tense wire rope IV 9,
Third conveying arm 19 slowly is broadcasted, keeps it conllinear with other two section conveying arm under the action of self-weight, it is in running order;Recycling
Arm support, removal process is with expansion arm support operating process on the contrary, principle is identical.
Fig. 7 is the schematic diagram of third conveying arm and the second conveying arm junction, and connecting plate is provided with hinge hole;Fig. 8 is
The limitation axis of limiting device on two conveying arm hinge holes, the limiting device is Step Shaft, and one end is helicitic texture, the other end
For terraced steps.
Claims (7)
1. the three section folding conveyers that a kind of hoist engine automatically controls, including three section conveying arms, main portal frame(6), hoist engine,
It is characterized in that:Further include auxiliary portal frame I (14), auxiliary portal frame II (18), hydraulic cylinder (5), limiting device I (15), limit dress
Set II (17), steel wire rope;The three sections conveying arm comprising the first conveying arm (13), the second conveying arm (16) and third conveying
Arm (19), the first conveying arm (13) use parallel chord truss formula structure, and big end and the pedestal on hull are hinged, small end
It is hinged with the second conveying arm (16) big end;The big end of the third conveying arm (19) is hinged with the small end of the second conveying arm (16);
The auxiliary portal frame I (14) is hinged on the second conveying arm (16) big end hinge hole, and limiting device I is provided on hinge hole
(15);The auxiliary portal frame II (18) is hinged on the second conveying arm small end hinge hole, and limiting device is provided on hinge hole
Ⅱ(17);The hoist engine includes hoist engine I (1), hoist engine II (2), hoist engine III (3), hoist engine IV (4), is installed successively
On hull, hoist engine I (1) passes through steel wire rope I(12)Around main portal frame top pulley blocks(7)Connect the first conveying arm(13)
The pulley blocks of side, hoist engine II(2)Pass through steel wire rope II(11)Around main portal frame top pulley blocks(7)Connect auxiliary portal frame
Ⅰ(14)Pulley blocks, hoist engine III (3) connects auxiliary gantry by steel wire rope III (10) around main portal frame top pulley (7) group
The pulley blocks of frame II (18), hoist engine IV (4) pass through steel wire rope IV(9)Third is connected around main portal frame top pulley blocks (7)
The pulley blocks of conveying arm (19) side;The main portal frame(6)On hull, pass through hydraulic cylinder(5)Realize its 90 degree
It folds, support shaft is installed on the outside of portal frame upper end(8), and pressure sensor is provided on axis.
2. the three section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:The limit
Device I (15) and limiting device II(17)Limitation axis be Step Shaft, one end is helicitic texture, and the other end is terraced steps.
3. the three section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:The main dragon
Door frame(6)Support shaft is installed on the outside of upper end(8), and pressure sensor is provided on axis, when arm support and support shaft(8)Contact or
Separation, pressure sensor detect that pressure or pressure disappear, and automatic control system can start or stop hydraulic cylinder automatically(5).
4. the three section folding conveyers that a kind of hoist engine according to claim 3 automatically controls, it is characterized in that:The main dragon
Door frame(6)It is sequentially installed with four groups of pulleys from the bottom up, is respectively intended to around hoist engine I (1), hoist engine II (2), hoist engine III
(3), the steel wire rope of hoist engine IV (4).
5. the three section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:Described first
Conveying arm(13), the second conveying arm(16)It is welded on conveying arm side with the pulley blocks of third conveying arm (19), and is being welded
Position is provided with reinforcing plate, in the first conveying arm(13)With the second conveying arm(16)Be provided at both ends with connecting plate, and be provided with hinge
Hole is connect, the big end of third conveying arm (19) is provided with connecting plate, and is provided with hinge hole.
6. the three section folding conveyers that a kind of hoist engine according to claim 5 automatically controls, it is characterized in that:Described second
Conveying arm(16)The hinged hole site at both ends is different, and one end hinge hole is positioned close to conveying arm upper surface, other end hinge hole
It is positioned close to conveying arm lower surface.
7. the three section folding conveyers that a kind of hoist engine according to claim 1 automatically controls, it is characterized in that:The elevator
The three section folding conveyers that machine automatically controls are controlled using programmable control system, and hoist engine is operated by hand-held remote controller.
Priority Applications (1)
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CN201721535830.XU CN207699078U (en) | 2017-11-17 | 2017-11-17 | A kind of three section folding conveyers that hoist engine automatically controls |
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CN201721535830.XU CN207699078U (en) | 2017-11-17 | 2017-11-17 | A kind of three section folding conveyers that hoist engine automatically controls |
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CN201721535830.XU Expired - Fee Related CN207699078U (en) | 2017-11-17 | 2017-11-17 | A kind of three section folding conveyers that hoist engine automatically controls |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107720572A (en) * | 2017-11-17 | 2018-02-23 | 长沙理工大学 | The three section folding conveyers that a kind of hoist engine automatically controls |
CN110697436A (en) * | 2019-10-16 | 2020-01-17 | 长沙理工大学 | Horizontal rotation's folding arm conveyer |
WO2021072894A1 (en) * | 2019-10-16 | 2021-04-22 | 长沙理工大学 | Large-span bulk material conveying system |
-
2017
- 2017-11-17 CN CN201721535830.XU patent/CN207699078U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107720572A (en) * | 2017-11-17 | 2018-02-23 | 长沙理工大学 | The three section folding conveyers that a kind of hoist engine automatically controls |
CN110697436A (en) * | 2019-10-16 | 2020-01-17 | 长沙理工大学 | Horizontal rotation's folding arm conveyer |
WO2021072894A1 (en) * | 2019-10-16 | 2021-04-22 | 长沙理工大学 | Large-span bulk material conveying system |
WO2021072896A1 (en) * | 2019-10-16 | 2021-04-22 | 长沙理工大学 | Horizontally rotating folding arm conveyor |
US10994935B1 (en) | 2019-10-16 | 2021-05-04 | Changsha University Of Science And Technology | Large-span bulk material conveying system |
US11498769B2 (en) | 2019-10-16 | 2022-11-15 | Changsha University Of Science And Technology | Horizontal rotary folding arm conveyor |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20181117 |
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CF01 | Termination of patent right due to non-payment of annual fee |