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CN207974177U - A kind of automatically controlled ditcher of two-freedom chain-bucket - Google Patents

A kind of automatically controlled ditcher of two-freedom chain-bucket Download PDF

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Publication number
CN207974177U
CN207974177U CN201721465279.6U CN201721465279U CN207974177U CN 207974177 U CN207974177 U CN 207974177U CN 201721465279 U CN201721465279 U CN 201721465279U CN 207974177 U CN207974177 U CN 207974177U
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China
Prior art keywords
bucket
chain
freedom
automatically controlled
ditcher
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Expired - Fee Related
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CN201721465279.6U
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Chinese (zh)
Inventor
索昊
李鑫
周浩
张�林
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Shandong Jiaotong University
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Shandong Jiaotong University
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Priority to CN201721465279.6U priority Critical patent/CN207974177U/en
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Abstract

一种两自由度链斗式电控挖沟机,包含电控挖沟机构、输送链、铲斗、导料板,所述电控挖沟机构包含主臂调节机构和斗架调节支链,所述电控挖沟机构采用连杆传动替代了现有链斗式挖沟机的液压传动,由安装在机架上的电动机通过两主动杆进行动力输入,不仅降低了制造成本,简化了控制系统,而且有效降低了故障率、能耗以及维护保养成本;所述电控挖沟机构为平面两自由度机构,斗架可实现两自由度耦合运动输出,进而实现电控挖沟机构大空间、高灵活度姿态调整,相比现有链斗式挖沟机斗架仅能实现单自由度升降,该种两自由度链斗式电控挖沟机具有更大的工作空间、更好的灵活性,能在更加复杂的环境作业,技术优势明显,市场前景广阔。

A two-degree-of-freedom chain-bucket type electronically controlled ditching machine, comprising an electronically controlled ditching mechanism, a conveyor chain, a bucket, and a material guide plate, the electronically controlled ditching mechanism includes a main arm adjustment mechanism and a bucket frame adjustment branch chain, The electric control ditching mechanism adopts connecting rod transmission to replace the hydraulic transmission of the existing chain bucket ditching machine, and the motor installed on the frame is used for power input through two active rods, which not only reduces the manufacturing cost, but also simplifies the control. system, and effectively reduce the failure rate, energy consumption and maintenance cost; the electronically controlled ditching mechanism is a planar two-degree-of-freedom mechanism, and the bucket frame can realize two-degree-of-freedom coupling motion output, thereby realizing a large space for the electronically controlled ditching mechanism , High flexibility attitude adjustment, compared with the existing chain bucket type ditching machine bucket frame which can only realize single-degree-of-freedom lifting, this two-degree-of-freedom chain bucket type electric control ditching machine has a larger working space and better Flexibility, able to work in more complex environments, with obvious technical advantages and broad market prospects.

Description

A kind of automatically controlled ditcher of two-freedom chain-bucket
Technical field
The utility model is related to chain bucket trencher field, especially a kind of automatically controlled ditcher of two-freedom chain-bucket.
Background technology
Multi-bucket excavator be it is a kind of continuously excavated, transported and the excavating machinery of discharging using multiple scraper bowls, there is continuous make The features such as industry, productivity are high, specific energy consumption is small, the relatively low, soil without bulk sandstone especially suitable for excavation hardness.Chain-bucket Ditcher is one kind of multi-bucket excavator, it is main continuously excavated using the multiple scraper bowls being mounted on ladder endless chain, transport and Discharge operation is mainly used for excavating irrigation canals and ditches, canal, stripping, exploitation and the operation in stock ground for correcting side slope and mining site.
Although chain bucket trencher is widely applied in numerous areas, construction efficiency is effectively increased, reduces and applies Work cost, but existing chain bucket trencher has engineering technology problem to be solved in engineer application there is also many.First, The equipment of existing chain bucket trencher is all made of Hydraulic Power Transmission System and is transmitted into action edge, although Hydraulic Power Transmission System structure It is compact, convenient for executing component layout, but since that there is general powers is low, mechanical efficiency is low, oil accident easily occurs for hydraulic system The problems such as, the problems such as causing poor existing chain bucket trencher power performance, maintenance cost height, poor reliability, high energy consumption;Secondly, Existing chain bucket trencher equipment is plane single-degree-of-freedom executing agency, and ladder can only carry out pitching movement, work Space is small, flexibility ratio is poor, largely affects the transaction capabilities and the scope of application of chain bucket trencher, in addition, with can It is existing to control development and the present computer technology, modern control technology, robot for the theory of mechanisms front subject that mechanism is representative etc. Generation technique is constantly progressive, and provides technical foundation for greenization, the intelligence of chain bucket trencher, multiple degrees of freedom controllable mechanism can To realize that input of doing more physical exercises, complicated flexibility track movement output can preferably meet the requirement of chain bucket trencher, but in weight It carries under environment, compares Hydraulic Power Transmission System, lack effective overload protection function.
How to propose a kind of automatically controlled ditcher of two-freedom chain-bucket, there is mechanical structure simple, low energy consumption, highly reliable Property, low-maintenance cost of upkeep the features such as, and have that equipment flexibility ratio is good, working space is big, ladder removes the adjustable model of pitch angle It encloses outside the features such as wide, can also realize that plane two-freedom is translatable, can further promote the workability of this kind of chain bucket trencher Can, while also possessing certain overload protection function, overcomes existing for hydraulic system that mechanical efficiency is low, energy consumption is big, easily leaks The problems such as oily accident, can preferably meet continuously excavation, transport and the discharge operation requirement such as irrigation canals and ditches, ore faces, it has also become chain-bucket The engineering problem of one urgent need to resolve in ditcher field.
Invention content
The purpose of this utility model is to provide a kind of automatically controlled ditcher of two-freedom chain-bucket, simple with mechanical structure, The features such as low energy consumption, high reliability, low-maintenance cost of upkeep;And having that equipment flexibility ratio is good, working space is big, ladder is bowed The elevation angle except adjustable extent greatly in addition to, can also horizontal and vertical direction realize plane two-freedom movement, further promote chain bucket The transaction capabilities of the automatically controlled ditcher of formula;Simultaneously possess certain overload protection function, overcome general power existing for hydraulic system it is low, The problems such as mechanical efficiency is low, easy generation oil accident preferably meets irrigation canals and ditches, canal, side slope, mining site etc. and continuously excavates, transports With discharge operation requirement.
The utility model reaches above-mentioned purpose by the following technical programs:
A kind of automatically controlled ditcher of two-freedom chain-bucket, including automatically controlled ditching mechanism, carrier chain, scraper bowl, stock guide, described Automatically controlled ditching mechanism is planar two-DOF seven-bar linkage, contains two closed loops, including principal arm regulating mechanism and ladder are adjusted Branch, the principal arm regulating mechanism include principal arm, hydraulic stem, the first driving lever, rack, and the principal arm passes through revolute pair and rack Connection, first driving lever one end are connect by revolute pair with rack, and the other end is connect by revolute pair with hydraulic stem one end, The hydraulic stem other end is connect by revolute pair with principal arm, and first driving lever is by rack-mounted motor drive Control is controlled by the positive and negative rotation of motor, realizes clockwise, the counter-clockwise swing of the first driving lever, and then drives principal arm pendulum It is dynamic, realize pose adjustment;It includes the second driving lever, connecting rod, ladder that the ladder, which adjusts branch, and second driving lever one end is logical Revolute pair is crossed to connect with rack, the other end is connect by revolute pair with connecting rod one end, the connecting rod other end by revolute pair with Ladder connects, and the ladder is connect by revolute pair with principal arm, and second driving lever is driven by rack-mounted motor Dynamic control realizes clockwise, the counter-clockwise swing of the second driving lever by the positive and negative rotation of motor, and then realizes ladder around master Arm is swung up and down, and under the control of a computer system, by the coupled motions of the first driving lever, the second driving lever, realizes ladder Two-freedom flexibility track movement output, and then ensure that this kind of automatically controlled ditching mechanism flexibility ratio is good, working space is big, ladder In addition to the features such as pitch angle adjustable extent is wide, it can also realize that plane two-freedom moves along horizontal and vertical direction, further Improve the transaction capabilities of the automatically controlled ditcher of chain-bucket;The automatically controlled ditching mechanism is also with rod piece number is few, the degree of coupling is low, fortune Dynamic learn solves the advantages that easy, programming Control is simple.
The carrier chain is mounted on ladder, and the scraper bowl is mounted on carrier chain, and the stock guide is pacified by revolute pair On principal arm, the automatically controlled ditcher of this kind of two-freedom chain-bucket during the work time, driving of the carrier chain in motor Under around ladder rotate, and then drive the continuous digging operation of scraper bowl, coordinate the automatically controlled ditching mechanism kinematic of two-freedom, meet irrigation canals and ditches, Ore faces etc. continuously excavates, transport and discharge operation require.The hydraulic stem includes cylinder body, piston rod, the cylinder body and piston rod Between connected by prismatic pair, it is hydraulically full in the cylinder body, under normal operation load, piston rod and cylinder body composition hydraulic pressure Bar is equal to a non-telescoping rod piece, when the automatically controlled ditcher load of this kind of chain-bucket is beyond rated load, passes through introducing The auxiliary equipments such as overflow valve, the piston rod contained by hydraulic stem can be flexible relative to cylinder body, can effectively solve this kind of automatically controlled ditcher Structure lacks the problem of overload protection.In order to improve the bearing capacity and stability of this kind of automatically controlled ditcher of two-freedom chain-bucket, Principal arm regulating mechanism is usually installed in parallel two the first driving levers, two hydraulic stems, the first cylinder body of two hydraulic stem, second Cylinder body can be made by the first cylinder body and the second cylinder body unicom in two cylinder bodies by 19 unicom of hydraulic line, according to Pascal's law The pressure of liquid maintains balance, and then effectively increases the bearing capacity and stabilization of this kind of automatically controlled ditcher of two-freedom chain-bucket Property.
The automatically controlled ditching mechanism of this kind of automatically controlled ditcher of two-freedom chain-bucket is passed through by rack-mounted motor Two driving levers are inputted into action edge, using link transmission instead of the hydraulic drive of existing chain bucket trencher, are not only reduced Manufacturing cost simplifies control system, and effectively reduces failure rate, energy consumption and maintaining cost;Compared to existing chain Bucket trencher ladder is only capable of realizing single-degree-of-freedom lifting, this kind of automatically controlled ditching mechanism is plane two-freedom mechanism, passes through two The kinematic parameter of driving lever inputs, and ladder can realize horizontal and vertical direction two-freedom coupled motions output, has work empty Between it is big, flexibility is good the advantages that, effectively improve the transaction capabilities of the automatically controlled ditcher of chain-bucket, coordinate in carrier chain and scraper bowl Under, more complicated operating environment can be coped with well, completed irrigation canals and ditches, canal, side slope, mining site etc. and continuously excavated, transport and unload Expect operation.The automatically controlled ditcher technical advantage of this kind of two-freedom chain-bucket is apparent, wide market.
Compared with prior art, the utility model has the prominent advantages that:
1. the automatically controlled ditching mechanism of this kind of automatically controlled ditcher of two-freedom chain-bucket uses plane two-freedom link mechanism Design contains two closed loops, and it is excellent to have that rod piece number is few, the degree of coupling is low, kinematics solution is easy, programming Control is simple etc. Point;The automatically controlled ditching mechanism of this kind of automatically controlled ditcher of two-freedom chain-bucket is using link transmission instead of existing chain-bucket ditching The hydraulic drive that machine uses avoids existing for hydraulic system the problems such as mechanical efficiency is low, energy consumption is big, easy generation oil accident, The power performance for effectively improving the automatically controlled ditcher of chain-bucket reduces maintaining cost, have good reliability, low energy consumption, The features such as convenient for maintaining.
2. being only capable of carrying out single-degree-of-freedom pitching movement, the automatically controlled ditching of this kind of chain-bucket compared to existing chain bucket trencher ladder Not only pitch angle adjustable extent is wide for the ladder of machine, can also be achieved the movement of plane two-freedom, effectively improves the automatically controlled digging of chain-bucket The transaction capabilities of ditch machine.This kind of ditching Electrical Control ditcher structure under the control of a computer system, passes through the first driving lever, second The coupled motions of driving lever are, it can be achieved that ladder makes this kind in the two-freedom flexibility track movement output in horizontal and vertical direction The automatically controlled ditcher of chain-bucket has better flexibility and working space.
3. this kind of automatically controlled ditcher of two-freedom chain-bucket mainly uses computer system control, acted in control circuit Under, it is controlled by the in due course positive and negative rotation of motor, realizes the two-freedom coupled motions of automatically controlled ditching mechanism, compare existing liquid Pressure or mechanical handling mode have many advantages, such as that intelligence degree is high, controllability is good, and control system is simple and reliable, and easily real Existing remote control and unmanned control.
4. the automatically controlled ditching mechanism introduces hydraulic stem, under normal operation load, the liquid of piston rod and cylinder body composition Compression bar is equal to a non-telescoping rod piece, when the automatically controlled ditcher load of this kind of chain-bucket is beyond rated load, by drawing Enter the auxiliary equipments such as overflow valve, can effectively solve the problems, such as that this kind of automatically controlled ditching mechanism lacks overload protection, this kind of two-freedom The automatically controlled ditcher of chain-bucket has great research significance and market application potential.
Description of the drawings
Fig. 1 is the automatically controlled ditcher schematic diagram of two-freedom chain-bucket described in the utility model.
Fig. 2 is the topology diagram of the automatically controlled ditcher of two-freedom chain-bucket described in the utility model.
Fig. 3 is principal arm regulating mechanism schematic diagram described in the utility model.
Fig. 4 is that ladder described in the utility model adjusts branch schematic diagram.
Fig. 5 is the automatically controlled ditcher pitch plane view of two-freedom chain-bucket described in the utility model.
Fig. 6 is one of automatically controlled ditcher schematic three dimensional views of two-freedom chain-bucket described in the utility model.
Fig. 7 is the two of the automatically controlled ditcher schematic three dimensional views of two-freedom chain-bucket described in the utility model.
Specific implementation mode
The technical solution of the utility model is described further below by way of drawings and examples.
Compares figure 1, Fig. 2, Fig. 3, Fig. 4, a kind of automatically controlled ditcher of two-freedom chain-bucket, including automatically controlled ditching mechanism, defeated It is planar two-DOF seven-bar linkage to send chain 20, scraper bowl 18, stock guide 17, the automatically controlled ditching mechanism, contains two closed loops, Including principal arm regulating mechanism and ladder adjust branch, the principal arm regulating mechanism includes principal arm 9, hydraulic stem 14, the first driving lever 12, rack 1, the principal arm 9 are connect by revolute pair 10 with rack 1, described first driving lever, 12 one end by revolute pair 11 with Rack 1 connects, and the other end is connect by revolute pair 13 with 14 one end of hydraulic stem, and 14 other end of the hydraulic stem passes through revolute pair 15 It is connect with principal arm 9, first driving lever 12 is controlled by the motor drive in rack 1, passes through the positive and negative of motor Turn control, realizes clockwise, the counter-clockwise swing of the first driving lever 12, and then principal arm 9 is driven to swing, realize pose adjustment;Institute It includes the second driving lever 3, connecting rod 5, ladder 8 to state ladder and adjust branch, and described second driving lever, 3 one end passes through revolute pair 2 and machine Frame 1 connects, and the other end is connect by revolute pair 4 with 5 one end of connecting rod, and 5 other end of the connecting rod is connected by revolute pair 6 and ladder 8 It connects, the ladder 8 is connect by revolute pair 7 with principal arm 9, and second driving lever 3 is by rack-mounted motor drive Control realizes clockwise, the counter-clockwise swing of the second driving lever 3 by the positive and negative rotation of motor, and then realizes ladder 8 around master Arm 9 is swung up and down, and under the control of a computer system, by the coupled motions of the first driving lever 12, the second driving lever 3, is realized The two-freedom flexibility track movement output of ladder 8, and then ensure that this kind of automatically controlled ditching mechanism flexibility ratio be good, working space Greatly, ladder 8 can also realize plane two-freedom fortune in addition to the features such as pitch angle adjustable extent is wide along horizontal and vertical direction It is dynamic, further improve the transaction capabilities of the automatically controlled ditcher of chain-bucket;The automatically controlled ditching mechanism also few, coupling with rod piece number The advantages that right low, kinematics solution is easy, programming Control is simple.
Compares figure 3, Fig. 6, the carrier chain 20 are mounted on ladder 8, and the scraper bowl is mounted on carrier chain 20, described to lead Flitch 17 by revolute pair 16 be mounted on principal arm 9 on, the automatically controlled ditcher of this kind of two-freedom chain-bucket during the work time, Carrier chain 20 rotates under the driving of motor around ladder 8, and then drives 18 continuous digging operation of scraper bowl, cooperation two-freedom electricity Ditching mechanism kinematic is controlled, continuously excavation, transport and the discharge operation requirement such as irrigation canals and ditches, ore faces are met.The hydraulic stem 14 includes cylinder Body 14.1, piston rod 14.3, are connected between the cylinder body 14.1 and piston rod 14.3 by prismatic pair 14.2, the cylinder body 14.1 Interior hydraulically full, under normal operation load, the hydraulic stem 14 of piston rod 14.3 and the composition of cylinder body 14.1 is equal to one can not Flexible rod piece, when the automatically controlled ditcher load of this kind of chain-bucket is beyond rated load, by introducing the auxiliary equipments such as overflow valve, Piston rod 14.3 contained by hydraulic stem 14 can be flexible relative to cylinder body 14.1, can effectively solve this kind of automatically controlled ditching mechanism and lack The problem of carrying protection.In order to improve the bearing capacity and stability of this kind of automatically controlled ditcher of two-freedom chain-bucket, principal arm is adjusted Mechanism is usually installed in parallel two the first driving levers, 12, two hydraulic stems 14, the first cylinder body 14.11 of two hydraulic stem 14, Second cylinder body 14.12, can by the first cylinder body and the second cylinder body unicom according to Pascal's law by 19 unicom of hydraulic line So that the pressure of liquid in two cylinder bodies is maintained balance, and then effectively increases the carrying of this kind of automatically controlled ditcher of two-freedom chain-bucket Ability and stability.
Compares figure 5, Fig. 6, Fig. 7, the automatically controlled ditching mechanism of this kind of automatically controlled ditcher of two-freedom chain-bucket is by being mounted on machine Motor on frame is inputted by two driving levers into action edge, using link transmission instead of the hydraulic pressure of existing chain bucket trencher Transmission, not only reduces manufacturing cost, simplifies control system, and effectively reduce failure rate, energy consumption and maintaining Cost;Be only capable of realizing single-degree-of-freedom lifting compared to existing chain bucket trencher ladder, this kind of automatically controlled ditching mechanism be plane two from By degree mechanism, inputted by the kinematic parameter of two driving levers, ladder 8 can realize horizontal and vertical direction two-freedom coupled motions Output, has many advantages, such as that working space is big, flexibility is good, the transaction capabilities of the automatically controlled ditcher of chain-bucket is effectively improved, defeated Under sending chain 20 and scraper bowl 18 to coordinate, more complicated operating environment can be coped with well, complete irrigation canals and ditches, canal, side slope, mining site etc. Continuous excavation, transport and discharge operation.The automatically controlled ditcher technical advantage of this kind of two-freedom chain-bucket is apparent, and market prospects are wide It is wealthy.

Claims (2)

1. a kind of automatically controlled ditcher of two-freedom chain-bucket, it is characterised in that:Including automatically controlled ditching mechanism, carrier chain, scraper bowl, leading Flitch, the automatically controlled ditching mechanism be planar two-DOF seven-bar linkage, contain two closed loops, comprising principal arm regulating mechanism with Ladder adjusts branch, and the principal arm regulating mechanism includes principal arm, hydraulic stem, the first driving lever, rack, and the principal arm passes through rotation Pair is connect with rack, and first driving lever one end is connect by revolute pair with rack, and the other end passes through revolute pair and hydraulic stem One end connects, and the hydraulic stem other end is connect by revolute pair with principal arm, and first driving lever is by rack-mounted Motor drive controls;It includes the second driving lever, connecting rod, ladder that the ladder, which adjusts branch, and second driving lever one end is logical Revolute pair is crossed to connect with rack, the other end is connect by revolute pair with connecting rod one end, the connecting rod other end by revolute pair with Ladder connects, and the ladder is connect by revolute pair with principal arm, and second driving lever is driven by rack-mounted motor Dynamic control.
2. a kind of automatically controlled ditcher of two-freedom chain-bucket according to claim 1, it is characterised in that:Including cylinder body, piston Bar is connected between the cylinder body and piston rod by prismatic pair, hydraulically full in the cylinder body, under normal operation load, liquid Compression bar is equal to a non-telescoping rod piece, when the automatically controlled ditcher load of this kind of chain-bucket is beyond rated load, hydraulic stem Contained piston rod is flexible relative to cylinder body.
CN201721465279.6U 2017-11-07 2017-11-07 A kind of automatically controlled ditcher of two-freedom chain-bucket Expired - Fee Related CN207974177U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109653266A (en) * 2019-01-25 2019-04-19 韩璇卿 A kind of slusher chain type trenching machine
CN109750709A (en) * 2017-11-07 2019-05-14 山东交通学院 A two-degree-of-freedom chain bucket type electric control trencher
CN109745802A (en) * 2017-11-07 2019-05-14 山东交通学院 A two-degree-of-freedom controllable haze and fog cannon mechanism
CN112772239A (en) * 2021-01-07 2021-05-11 杭州良渚麟海蔬果专业合作社 Green vegetable prevention and control method for repelling snails by using insect-proof net

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109750709A (en) * 2017-11-07 2019-05-14 山东交通学院 A two-degree-of-freedom chain bucket type electric control trencher
CN109745802A (en) * 2017-11-07 2019-05-14 山东交通学院 A two-degree-of-freedom controllable haze and fog cannon mechanism
CN109653266A (en) * 2019-01-25 2019-04-19 韩璇卿 A kind of slusher chain type trenching machine
CN109653266B (en) * 2019-01-25 2020-12-01 韩璇卿 A rake bucket chain groove forming machine
CN112772239A (en) * 2021-01-07 2021-05-11 杭州良渚麟海蔬果专业合作社 Green vegetable prevention and control method for repelling snails by using insect-proof net

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Granted publication date: 20181016

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