CN109778929A - A kind of parasitic mechanisms formula space excavating mechanism of controllable - Google Patents
A kind of parasitic mechanisms formula space excavating mechanism of controllable Download PDFInfo
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- CN109778929A CN109778929A CN201811585402.7A CN201811585402A CN109778929A CN 109778929 A CN109778929 A CN 109778929A CN 201811585402 A CN201811585402 A CN 201811585402A CN 109778929 A CN109778929 A CN 109778929A
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- connecting rod
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- scraper bowl
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Abstract
A kind of parasitic mechanisms formula space excavating mechanism of controllable, entire hemisphere face of the power idler wheel of the Three dimensional rotation arm mechanism of the digging mechanism in pedestal rolls, so that cursor club realizes spatial rotational by swing arm sphere, so that dipper and scraper bowl be driven to realize spatial rotational.Parasitic mechanisms part drives crank rotation by the rotation of first motor, so that the second motor frame plate being connected with seven-link assembly is moved back and forth along cursor club, to drive the first spring and second spring to move back and forth along cursor club, dipper is rotated upwardly and downwardly by intermediate connecting rod, second motor, third motor respectively reversely rotate the first spring and second spring by reduction gearing, make dipper left-right rotation by intermediate connecting rod, increases scraper bowl working space.Host mechanism and parasitic mechanisms can control respectively or jointly control the movement of scraper bowl, keep the movement of scraper bowl more stable, will not shut down because a kind of control mechanism breaks down, and digging force is big, stress is good.
Description
Technical field
The present invention relates to mechanical engineering fields, especially a kind of parasitic mechanisms formula space excavating mechanism of controllable.
Background technique
Excavator is a kind of common excavating machinery, is mainly used for various earthwork constructions, the excavation of various types and function
Machine is widely used in industry and civil buildings, communications and transportation, hydraulic engineering, farmland improvement, mine excavation, and modernization army
In the mechanized construction of the industries such as thing engineering, hydraulic crawler excavator is most widely used a kind of excavator at present, but hydraulic system
Manufacturing cost is high, the problems such as oil leak easily occurs, and be unable to normal use at low ambient temperatures, these are all hydraulic excavating captains
Thorny problem existing for phase.
With the development of electronic control technology and the raising of controlling technology, controllable mechanism provides very big for the development of engineering machinery
Improvement space, by controllable motor drive multiple degrees of freedom spatial excavator structure, not only have larger working space, flexibility ratio
It is high, moreover it is possible to complete the output of compound movement, while maintenance cost is low, movement reliability is more stable, has very big development prospect.
Summary of the invention
The object of the present invention is to provide a kind of parasitic mechanisms formula space excavating mechanism of controllable, not only have conventional hydraulic mechanism
Working space is big, and digging force is big, the good advantage of stress, while conventional hydraulic excavator maintenance cost can be overcome high, manufacture essence
Degree is high, and the problem and existing design for reacting not sensitive enough only have the automatically controlled excavator of a set of control system in the feelings of failure
The problem of being unable to normal use under condition.
Above-mentioned purpose that the invention is realized by the following technical scheme: provide a kind of parasitic mechanisms formula space controllable excavator
Structure, including Three dimensional rotation arm mechanism, three-dimensional stfck mechanism, parasitic mechanisms, one-dimensional shovel mechanism and fuselage, which is characterized in that tool
Body structure and connection relationship are as follows:
The Three dimensional rotation arm mechanism includes power idler wheel, idler wheel straight pin, rolling wheel support frame, taper connection bar, rotation
Arm sphere, the first ball set, pedestal sleeve, first motor frame plate and cursor club, the power idler wheel are mounted on idler wheel circle
On pin, idler wheel straight pin is mounted on rolling wheel support frame, and rolling wheel support frame is fixedly connected with taper connection bar, taper connection bar
The other end be fixedly connected with cursor sphere, cursor sphere installation the first ball set in, the other end of cursor sphere
It is fixedly connected with pedestal sleeve, the first ball set is connect with pedestal, and the other end and first motor frame plate of pedestal sleeve are fixed to be connected
It connects, first motor frame plate is fixedly connected with cursor club, and the other end of cursor club is fixedly connected with the second ball set；
It is described three-dimensional stfck mechanism mechanism include the second ball set, dipper sphere, dipper, semicircle connecting rod, first connecting rod,
Second connecting rod, first hole sleeve and scraper bowl square hole sleeve, the dipper sphere installation is in the second ball set, dipper and dipper
Sphere interference fit installation, one end of dipper and first hole sleeve interference fit are installed, and scraper bowl is installed in the other end of dipper
Square hole sleeve, one end of second connecting rod and first hole sleeve interference fit are installed, and the other end and semicircle of second connecting rod are even
Bar is hinged, and the other end and first connecting rod of semicircle connecting rod are hinged, and the other end and the first straight pin of scraper bowl of first connecting rod are hinged；
The parasitic mechanisms include first motor, crank, the second motor frame plate, the second motor, third motor, the first tooth
Wheel, second gear, third gear, the 4th gear, the first spring, second spring, spring spool, second connecting rod, third connecting rod, the
Tricyclic ball cover, spring sphere, fourth link, the 5th connecting rod, six-bar linkage, seven-link assembly, first hole sleeve, second hole set
Cylinder, third hole sleeve, semicircle connecting rod and first connecting rod, the first motor are fixed on first motor frame plate, the first electricity
Machine is connected with crank, and the crank other end is connect with seven-link assembly, and the seven-link assembly other end is connect with the second motor frame plate, the second electricity
Frame plate and cursor club clearance fit are installed, and the other end of the second motor frame plate is fixedly connected with spring spool, the second electricity
Machine and third motor are separately fixed on the second motor frame plate, and the second motor is connect with first gear, first gear and the second tooth
Wheel engagement, second gear are fixedly mounted on spring spool, and spring spool is provided with the first spring, and one end of the first spring is fixed
In second gear, the other end of the first spring is fixedly connected with six-bar linkage, and the other end of six-bar linkage and the 5th connecting rod are cut with scissors
It connects, the other end and fourth link of the 5th connecting rod are hinged, and the other end of fourth link and the interference of third hole sleeve are installed, third
Square hole sleeve interference is mounted in dipper, and third motor is connect with third gear, and third gear is engaged with the 4th gear, the 4th tooth
Wheel is fixedly mounted on spring spool, and one end of second spring is fixed on the 4th gear, the other end and third of second spring
Global set is fixedly connected, and spring sphere is mounted in the global set of third, and the second square sleeve interference is mounted in spring ball body, the
Three-link interference is mounted in second hole sleeve, and the other end of third connecting rod is connect with semicircle connecting rod and second connecting rod, the
Two connecting rods and the interference of first hole sleeve are installed, and first hole sleeve interference is mounted in dipper, the other end of semicircle connecting rod
It is connect with first connecting rod, the other end and the second cylinder of scraper bowl pin connection of first connecting rod；
The one-dimensional shovel mechanism includes dipper stick, the first straight pin of scraper bowl, the second straight pin of scraper bowl and scraper bowl, scraper bowl
Square hole sleeve interference is mounted in dipper, and dipper stick interference fit is mounted in scraper bowl square hole sleeve, the dipper stick other end
Hinged with the first straight pin of scraper bowl, the first straight pin of scraper bowl and scraper bowl clearance fit are installed, between the second straight pin of scraper bowl and scraper bowl
Gap is coupled, and is hinged with first connecting rod on the second straight pin of scraper bowl；
The fuselage includes pedestal and the first ball set, four peaces of four mounting holes of the pedestal and the first ball set
Dress intercrural space is coupled.
The power idler wheel is contacted with the Internal Spherical Surface of pedestal.
The host mechanism and parasitic mechanisms can control respectively or jointly control the movement of scraper bowl, make the movement of scraper bowl more
Stablize.
Entire hemisphere face of the power idler wheel of the Three dimensional rotation arm mechanism of the digging mechanism in pedestal rolls, so that rotation
Arm club realizes spatial rotational by swing arm sphere, so that dipper and scraper bowl be driven to realize spatial rotational.
The parasitic mechanisms part drives crank rotation by the rotation of first motor, so that be connected with seven-link assembly the
Two motor frame plates are moved back and forth along cursor club, to drive the first spring and second spring reciprocal along cursor club
Movement, rotate upwardly and downwardly dipper by intermediate connecting rod, the second motor, third motor by reduction gearing make respectively the first spring and
Second spring reversely rotates, and makes dipper left-right rotation by intermediate connecting rod, increases scraper bowl working space.
Of the invention has the prominent advantages that:
It introduces controllable parasitic mechanisms and can be realized digging mechanism and combine control, host with parasitic mechanisms by host mechanism
Structure and parasitic mechanisms can control respectively or jointly control the movement of scraper bowl, keep the movement of scraper bowl more stable, will not be because of one kind
Control mechanism breaks down and shuts down, and increases the motion credibility of digging mechanism, can complete different condition, different rings
Action under border improves the reliability of control to solve traditional mechanism, the general insoluble problem of controllable mechanism.
Entire hemisphere face of the power idler wheel of the Three dimensional rotation arm mechanism of the digging mechanism in pedestal rolls, so that rotation
Arm club realizes spatial rotational by swing arm sphere, so that dipper and scraper bowl be driven to realize spatial rotational.Parasitic mechanisms part is logical
The rotation for crossing first motor drives crank rotation, so that the second motor frame plate being connected with seven-link assembly is past along cursor club
Multiple movement is made on dipper so that the first spring and second spring be driven to move back and forth along cursor club by intermediate connecting rod
Lower rotation, the second motor, third motor respectively reversely rotate the first spring and second spring, pass through centre by reduction gearing
Connecting rod makes dipper left-right rotation, increases scraper bowl working space.Host mechanism and parasitic mechanisms can control respectively or combine control
The movement of scraper bowl processed keeps the movement of scraper bowl more stable, will not shut down because a kind of control mechanism breaks down, and dig
Pick power is big, and stress is good.
Detailed description of the invention
Fig. 1 is the overall structure diagram of parasitic mechanisms formula of the present invention space excavating mechanism of controllable.
Fig. 2 is the cursor structural scheme of mechanism of parasitic mechanisms formula of the present invention space excavating mechanism of controllable.
Fig. 3 is small arm mechanism-shovel mechanism schematic diagram of parasitic mechanisms formula of the present invention space excavating mechanism of controllable.
Fig. 4 is the spring arrangement schematic diagram of parasitic mechanisms formula of the present invention space excavating mechanism of controllable.
Fig. 5 is the power idler wheel schematic diagram of parasitic mechanisms formula of the present invention space excavating mechanism of controllable.
In the figure, it is marked as pedestal 1, taper connection bar 2, the first ball set 3, cursor sphere 4, the 5, first electricity of pedestal sleeve
Frame plate 6, first motor 7A, the second motor 7B, third motor 7C, first gear 8, second gear 9, second spring 10, spring
Sleeve 11, dipper 12, scraper bowl 13, first connecting rod 14, dipper sphere 15, the second ball set 16, semicircle connecting rod 17, first hole
Sleeve 18, second connecting rod 19, third connecting rod 20, fourth link 21, the 5th connecting rod 22, second hole sleeve 23, spring sphere 24,
Six-bar linkage 25, third ball cover the 26, first spring 27, third gear 28, the 4th gear 29, the second motor frame plate 30, rotation
Arm club 31, seven-link assembly 32, crank 33, third hole sleeve 34, power idler wheel 35, idler wheel straight pin 36, rolling wheel support frame
37, dipper stick 38, scraper bowl square hole sleeve 39, the first straight pin of scraper bowl 40, the second straight pin of scraper bowl 41.
Specific embodiment
Technical solution of the present invention is described further below by way of drawings and examples.
Parasitic mechanisms formula of the present invention space excavating mechanism of controllable, including Three dimensional rotation arm mechanism, three-dimensional dipper machine
Structure, parasitic mechanisms, one-dimensional shovel mechanism and fuselage, specific structure and connection relationship are as follows:
The Three dimensional rotation arm mechanism includes power idler wheel 35, idler wheel straight pin 36, rolling wheel support frame 37, taper connection bar
2, cursor sphere 4, the first ball set 3, pedestal sleeve 5, first motor frame plate 6, cursor club 31, the power idler wheel 35
It is mounted on idler wheel straight pin 36, idler wheel straight pin 36 is mounted on rolling wheel support frame 37, rolling wheel support frame 37 and taper connection
Bar 2 is fixedly connected, and the other end of taper connection bar 2 is fixedly connected with cursor sphere 4, and cursor sphere 4 is mounted on the first ball
In ring set 3, the other end of cursor sphere 4 is fixedly connected with pedestal sleeve 5, and the first ball set 3 is connect with pedestal 1, base sheath
The other end of cylinder 5 is fixedly connected with first motor frame plate 6, and first motor frame plate 6 is fixedly connected with cursor club 31, cursor
The other end of club 31 is fixedly connected with the second ball set 16；
It is described three-dimensional stfck mechanism mechanism include the second ball set 16, dipper sphere 15, dipper 12, semicircle connecting rod 17,
First connecting rod 14, second connecting rod 19, first hole sleeve 18 and scraper bowl square hole sleeve 39, the dipper sphere 15 are mounted on second
In ball set 16, dipper 12 and the interference fit of dipper sphere 15 are installed, and one end and 18 interference of first hole sleeve of dipper 12 are matched
Installation is closed, scraper bowl square hole sleeve 39, one end of second connecting rod 19 and 18 mistake of first hole sleeve are installed in the other end of dipper 12
It is full of and is coupled, the other end of second connecting rod 19 and semicircle connecting rod 17 is hinged, and the other end of semicircle connecting rod 17 and first connects
Bar 14 is hinged, and the other end and the first straight pin of scraper bowl 40 of first connecting rod 14 are hinged；
The parasitic mechanisms include first motor 7A, crank 33, the second motor frame plate 30, the second motor 7B, third motor
7C, first gear 8, second gear 9, third gear 28, the 4th gear 29, the first spring 27, second spring 10, spring spool
11, second connecting rod 19, third connecting rod 20, the global set 6 of third, spring sphere 24, fourth link 21, the 5th connecting rod 22, the 6th connects
Bar 25, seven-link assembly 32, first hole sleeve 18, second hole sleeve 23, third hole sleeve 34, semicircle connecting rod 17 and
One connecting rod 14, the first motor 7A are fixed on first motor frame plate 6, and first motor 7A is connected with crank 33, and crank 33 is another
One end is connect with seven-link assembly 32, and 32 other end of seven-link assembly is connect with the second motor frame plate 30, the second motor frame plate 30 with turn
The installation of 31 clearance fit of swing arm club, the other end and spring spool 11 of the second motor frame plate 30 consolidate, the second motor 7B, third
Motor 7C is separately fixed on the second motor frame plate 30, and the second motor 7B is connect with first gear 8, first gear 8 and the second tooth
9 engagement of wheel, second gear 9 are fixedly mounted on spring spool 11, and spring spool 11 is provided with the first spring 27, the first spring 27
One end be fixed in second gear 9, the other end of the first spring 27 is fixedly connected with six-bar linkage 25, six-bar linkage 25 it is another
One end is hinged with the 5th connecting rod 22, and the other end and fourth link 21 of the 5th connecting rod 22 are hinged, the other end of fourth link 21 with
34 interference of third hole sleeve installation, third hole cover 34 interference and are mounted in dipper 12；Third motor 7C and third gear
28 connections, third gear 28 are engaged with the 4th gear 29, and the 4th gear 29 is fixedly mounted on spring spool 11, second spring 10
One end be fixed on the 4th gear 29, the other end of second spring 10 is fixedly connected with the global set 26 of third, spring sphere 24
It is mounted in the global set 26 of third, 23 interference of the second square sleeve is mounted in spring sphere 24,20 interference of third connecting rod installation
In second hole sleeve 23, the other end of third connecting rod 20 is connect with semicircle connecting rod 17 and second connecting rod 19, second connecting rod
19 install with 18 interference of first hole sleeve, and 18 interference of first hole sleeve is mounted in dipper 12, semicircle connecting rod 17 it is another
One end is connect with first connecting rod 14, and the other end of first connecting rod 14 is connect with the second straight pin of scraper bowl 41.
The one-dimensional shovel mechanism includes dipper stick 38, the first straight pin of scraper bowl 40, the second straight pin of scraper bowl 41 and shovel
Bucket 13,39 interference of scraper bowl square hole sleeve is mounted in dipper 12, and the interference fit of dipper stick 38 is mounted on scraper bowl square hole sleeve 39
Interior, 38 other end of dipper stick and the first straight pin of scraper bowl 40 are hinged, and the first straight pin of scraper bowl 40 and 13 clearance fit of scraper bowl are pacified
Dress, the second straight pin of scraper bowl 41 and 13 clearance fit of scraper bowl are installed, and are hinged with first connecting rod 14 on the second straight pin of scraper bowl 41；
The fuselage includes pedestal 1 and the first ball set 3.The fuselage connection relationship: four mounting holes of pedestal 1 and
Four installation foot clearance fits installation of one ball set 3.
The power idler wheel 35 is contacted with the Internal Spherical Surface of pedestal 1.
Operation principle and process:
The main object of the present invention is the working space in order to increase excavator, increases the flexibility ratio of excavator, increases and digs
The digging force of pick machine increases the control stability of excavator.It is entire hemisphere face rolling of the power idler wheel 35 in pedestal 1 first
It is dynamic, so that cursor club 31 realizes spatial rotational by swing arm sphere 4, so that dipper 12, scraper bowl 13 be driven to realize that space turns
It is dynamic.Parasitic mechanisms part drives crank 33 to rotate by the rotation of first motor 7A, so that be connected with seven-link assembly 32 second
Motor frame plate 30 is moved back and forth along cursor club 31, to drive the first spring 27 and second spring 10 along cursor ball
Bar 31 moves back and forth, and rotates upwardly and downwardly dipper 12 by intermediate connecting rod, respectively corresponds and loads cargo and topple over cargo operating condition, fixed
The second motor 7B, the rotation of third motor 7C opposite direction on the second motor frame plate 30, make first by reduction gearing respectively
Spring 27 and second spring 10 reversely rotate, and make 12 left-right rotation of dipper by intermediate connecting rod, increase 13 working space of scraper bowl.
Existing host mechanism, power idler wheel 35, cursor club 31 and dipper 12 control the movement of scraper bowl, and have parasitic mechanisms control shovel
The movement of bucket 13, both can be controlled separately, and can also jointly control scraper bowl 13, and kept the movement of scraper bowl 13 more stable, will not be because of
A kind of control mechanism breaks down and shuts down, while also adding the motion credibility of digging mechanism, and digging force is big, stress
Good etc. performance.
Claims (5)
1. a kind of parasitic mechanisms formula space excavating mechanism of controllable, including Three dimensional rotation arm mechanism, three-dimensional stfck mechanism, parasitic machine
Structure, one-dimensional shovel mechanism and fuselage, which is characterized in that specific structure and connection relationship are as follows:
The Three dimensional rotation arm mechanism includes power idler wheel, idler wheel straight pin, rolling wheel support frame, taper connection bar, cursor ball
Body, the first ball set, pedestal sleeve, first motor frame plate and cursor club, the power idler wheel are mounted on idler wheel straight pin
On, idler wheel straight pin is mounted on rolling wheel support frame, and rolling wheel support frame is fixedly connected with taper connection bar, taper connection bar it is another
One end is fixedly connected with cursor sphere, and cursor sphere installation is in the first ball set, the other end of cursor sphere and bottom
Cover for seat cylinder is fixedly connected, and the first ball set is connect with pedestal, and the other end of pedestal sleeve is fixedly connected with first motor frame plate, the
One motor frame plate is fixedly connected with cursor club, and the other end of cursor club is fixedly connected with the second ball set；
It is described three-dimensional stfck mechanism mechanism include the second ball set, dipper sphere, dipper, semicircle connecting rod, first connecting rod, second
Connecting rod, first hole sleeve and scraper bowl square hole sleeve, the dipper sphere installation is in the second ball set, dipper and dipper sphere
Interference fit installation, one end of dipper and first hole sleeve interference fit are installed, and scraper bowl square hole is installed in the other end of dipper
Sleeve, one end of second connecting rod and first hole sleeve interference fit are installed, and the other end of second connecting rod and semicircle connecting rod are cut with scissors
It connects, the other end and first connecting rod of semicircle connecting rod are hinged, and the other end and the first straight pin of scraper bowl of first connecting rod are hinged；
The parasitic mechanisms include first motor, crank, the second motor frame plate, the second motor, third motor, first gear, and
Two gears, third gear, the 4th gear, the first spring, second spring, spring spool, second connecting rod, third connecting rod, third ring
Ball cover, spring sphere, fourth link, the 5th connecting rod, six-bar linkage, seven-link assembly, first hole sleeve, second hole sleeve,
Third hole sleeve, semicircle connecting rod and first connecting rod, the first motor are fixed on first motor frame plate, first motor with
Crank is connected, and the crank other end is connect with seven-link assembly, and the seven-link assembly other end is connect with the second motor frame plate, the second motor rack
Plate and cursor club clearance fit are installed, and the other end of the second motor frame plate is fixedly connected with spring spool, the second motor with
Third motor is separately fixed on the second motor frame plate, and the second motor is connect with first gear, and first gear is nibbled with second gear
It closes, second gear is fixedly mounted on spring spool, and spring spool is provided with the first spring, and one end of the first spring is fixed on the
On two gears, the other end of the first spring is fixedly connected with six-bar linkage, and the other end of six-bar linkage and the 5th connecting rod are hinged, the
The other end of five connecting rods and fourth link are hinged, and the other end of fourth link and the interference of third hole sleeve are installed, third hole
Sleeve interference is mounted in dipper, and third motor is connect with third gear, and third gear is engaged with the 4th gear, and the 4th gear is solid
Dingan County is on spring spool, and one end of second spring is fixed on the 4th gear, and the other end and third of second spring are global
Set is fixedly connected, and spring sphere is mounted in the global set of third, and the second square sleeve interference is mounted in spring ball body, and third connects
Bar interference is mounted in second hole sleeve, and the other end of third connecting rod is connect with semicircle connecting rod and second connecting rod, and second connects
Bar and the interference of first hole sleeve are installed, and first hole sleeve interference is mounted in dipper, the other end of semicircle connecting rod and the
The connection of one connecting rod, the other end and the second cylinder of scraper bowl pin connection of first connecting rod；
The one-dimensional shovel mechanism includes dipper stick, the first straight pin of scraper bowl, the second straight pin of scraper bowl and scraper bowl, scraper bowl square hole
Sleeve interference is mounted in dipper, and dipper stick interference fit is mounted in scraper bowl square hole sleeve, the dipper stick other end and shovel
First straight pin that struggles against is hinged, and the first straight pin of scraper bowl and scraper bowl clearance fit are installed, and the second straight pin of scraper bowl is matched with scraper bowl gap
Installation is closed, is hinged with first connecting rod on the second straight pin of scraper bowl；
The fuselage includes pedestal and the first ball set, four installation feet of four mounting holes of the pedestal and the first ball set
Clearance fit installation.
2. parasitic mechanisms formula according to claim 1 space excavating mechanism of controllable, which is characterized in that the power idler wheel with
The Internal Spherical Surface of pedestal contacts.
3. parasitic mechanisms formula according to claim 1 space excavating mechanism of controllable, which is characterized in that the host mechanism and
Parasitic mechanisms can control respectively or jointly control the movement of scraper bowl, keep the movement of scraper bowl more stable.
4. parasitic mechanisms formula according to claim 1 space excavating mechanism of controllable, which is characterized in that the three of the digging mechanism
Entire hemisphere face of the power idler wheel of dimension rotation arm mechanism in pedestal rolls, so that cursor club is realized by swing arm sphere
Spatial rotational, so that dipper and scraper bowl be driven to realize spatial rotational.
5. parasitic mechanisms formula according to claim 1 space excavating mechanism of controllable, which is characterized in that parasitic mechanisms part is logical
The rotation for crossing first motor drives crank rotation, so that the second motor frame plate being connected with seven-link assembly is past along cursor club
Multiple movement is made on dipper so that the first spring and second spring be driven to move back and forth along cursor club by intermediate connecting rod
Lower rotation, the second motor, third motor respectively reversely rotate the first spring and second spring, pass through centre by reduction gearing
Connecting rod makes dipper left-right rotation, increases scraper bowl working space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585402.7A CN109778929B (en) | 2018-12-24 | 2018-12-24 | Parasitic mechanism type space controllable excavating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585402.7A CN109778929B (en) | 2018-12-24 | 2018-12-24 | Parasitic mechanism type space controllable excavating mechanism |
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| Publication Number | Publication Date |
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| CN109778929A true CN109778929A (en) | 2019-05-21 |
| CN109778929B CN109778929B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811585402.7A Active CN109778929B (en) | 2018-12-24 | 2018-12-24 | Parasitic mechanism type space controllable excavating mechanism |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3128677A (en) * | 1962-04-30 | 1964-04-14 | Hydraulic Unit Specialities Co | Control instrumentality having detent mechanism |
| EP0214633A1 (en) * | 1985-09-07 | 1987-03-18 | Hitachi Construction Machinery Co., Ltd. | Control system for hydraulically-operated construction machinery |
| CN103388345A (en) * | 2012-05-12 | 2013-11-13 | 刘素华 | Reciprocating impact heading and loading machine |
| CN106223382A (en) * | 2016-09-30 | 2016-12-14 | 山东省水利科学研究院 | A kind of multi-functional mud-rock flow excavator |
-
2018
- 2018-12-24 CN CN201811585402.7A patent/CN109778929B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3128677A (en) * | 1962-04-30 | 1964-04-14 | Hydraulic Unit Specialities Co | Control instrumentality having detent mechanism |
| EP0214633A1 (en) * | 1985-09-07 | 1987-03-18 | Hitachi Construction Machinery Co., Ltd. | Control system for hydraulically-operated construction machinery |
| CN103388345A (en) * | 2012-05-12 | 2013-11-13 | 刘素华 | Reciprocating impact heading and loading machine |
| CN106223382A (en) * | 2016-09-30 | 2016-12-14 | 山东省水利科学研究院 | A kind of multi-functional mud-rock flow excavator |
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|---|---|
| CN109778929B (en) | 2021-06-04 |
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