CN106759564A - A kind of excavator tunnel gauche form equipment structure - Google Patents
A kind of excavator tunnel gauche form equipment structure Download PDFInfo
- Publication number
- CN106759564A CN106759564A CN201611257287.1A CN201611257287A CN106759564A CN 106759564 A CN106759564 A CN 106759564A CN 201611257287 A CN201611257287 A CN 201611257287A CN 106759564 A CN106759564 A CN 106759564A
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- hinge
- swing arm
- cylinder
- deflection
- bucket
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
Abstract
The present invention discloses a kind of excavator tunnel gauche form equipment structure, including bottom swing arm, boom cylinder, deflection oil cylinder, deflection swing arm, bucket arm cylinder, dipper, bucket cylinder, inner rocker, rocker-arm link, outer rocking bar, outside connecting rod and scraper bowl, boom cylinder is connected with bottom swing arm, bottom swing arm is connected with deflection swing arm, deflection oil cylinder connection bottom swing arm and deflection swing arm, the anterior upside of deflection swing arm are connected with the root of dipper;The front portion of dipper is connected with scraper bowl;Bucket arm cylinder is connected to deflection swing arm and dipper;Bucket cylinder, inner rocker, rocker-arm link are arranged in dipper inner side.Equipment of the present invention can free deflection, can carry out without dead angle operation;The accessible implementation of operation at top, can carry out arch correction of the flank shape operation and without having to worry about being unable to reach;Full protection is designed, the damage without having to worry about falling object to particular component;Whole machine transfer is more convenient;Make constructing tunnel operation more convenient efficiently.
Description
Technical field
The present invention relates to a kind of excavator tunnel gauche form equipment structure, belong to excavator technical field.
Background technology
In daily construction production, often use excavator and the operation such as excavated, loaded, crushed or removed.Work
Make device as the device for being done directly above-mentioned task, including swing arm, dipper, the big structure part of scraper bowl three, and hydraulic jack, liquid
The widgets such as pressure pipe road, rocking bar, connecting rod.Wherein, the figure that the equipment scraper bowl between cog scope to be reached is formed is referred to as bag
Network figure.In other words, any equipment scraper bowl inside envelope diagram can reach.Therefore, in theory, in excavator work
During work, digging operation a little can be carried out in the range of excavation.
However, in real work, because of the limitation of operating environment, many positions are to be unable to reach.Constructing tunnel is to belong to
Such case.Constructing tunnel belongs to closing space construction, and its interface is domed, and space has size to limit up and down.Highly
According to unidirectional tunnel, the difference of bidirectional tunnel, highest have 10m or so, it is minimum have 7m or so, while according to constructing tunnel commonly use
Staircase method is constructed, then working face height only 4.5m residing for excavator.But because the structure of swing arm in equipment, dipper sets
Meter is limited, and when scraper bowl between cog is raised to 4m height, swing arm dipper has encountered tunnel top, it is impossible to be further continued for excavating top
Material.Meanwhile, tunnel width is narrower, and in tunnel, excavator cannot carry out large range of revolution, and tunnel arch edge is general
Cannot be carried out sweeping side operation with excavator, manpower less important work need to be used, it is impossible to guaranteed efficiency, lost time and money.
Additionally, because working condition environment is more severe, the part such as equipment upper cylinder, pipeline is easily damaged, in tunnel
It is not easy to directly carry out part replacement in road, tunnel need to be exited, replacing part is carried out in outside, after service cost is higher, sternly
The construction speed of engineering is have impact on again.
The content of the invention
For the problem that above-mentioned prior art is present, the present invention provides a kind of excavator tunnel gauche form equipment knot
Structure, can carry out deflection operation, and excavation operation can be carried out on certain altitude, and related easily worn part is protected, full
The construction operating mode of sufficient Tunnel Engineering operation, improves operating efficiency.
To achieve these goals, a kind of excavator tunnel gauche form equipment structure that the present invention is used, including
Bottom swing arm, boom cylinder, deflection oil cylinder, deflection swing arm, bucket arm cylinder, dipper, bucket cylinder, inner rocker, rocker-arm link, shake outward
Bar, outside connecting rod and scraper bowl, the cylinder head of the boom cylinder are connected with the front portion of bottom swing arm, and the top of the bottom swing arm is dynamic with deflection
The bottom connection of arm, two deflection oil cylinders are arranged symmetrically in the both sides of bottom swing arm and deflection swing arm, deflect cylinder body and the bottom of oil cylinder
Swing arm sidepiece is connected, and cylinder head is connected with the sidepiece of deflection swing arm;The anterior upside of deflection swing arm is connected with the root of dipper;Dipper
Front portion be connected with scraper bowl;The bucket arm cylinder has two, is arranged symmetrically between deflection swing arm and dipper;The cylinder of bucket arm cylinder
Body is connected with deflection swing arm underside of forward, and cylinder head is connected with the bottom of dipper;The bucket cylinder, inner rocker, rocker-arm link cloth
Put on the inside of dipper, the cylinder body of bucket cylinder is connected with the rear end of dipper, one end of inner rocker is connected with the middle part of dipper, inside shakes
Bar other end cylinder head respectively with bucket cylinder, one end of rocker-arm link are connected;The other end of rocker-arm link and the one of outer rocking bar
End, one end connection of outside connecting rod;The other end of outer rocking bar is connected with the front portion of dipper;The other end of outside connecting rod and the rear portion of scraper bowl
Connection.
Preferably, the bottom swing arm is provided with five groups of hinge holes, i.e. root hinge hole, anterior hinge hole, two groups of side hinges
Spot hole and top deflection hinge hole;Root hinge hole is used to be connected with turntable, and anterior hinge hole is connected with boom cylinder, two groups
Hinge axially bored line is parallel to turntable axially bored line;Two groups of side hinge pore size distributions and rear side in the side plate of both sides, and perpendicular to root axle
Line, is connected with deflection oil cylinder, for driving top deflection swing arm to carry out deflection action;Hang down in bottom swing arm top deflection hinge hole
Straight in root axis, this group of axis hole is made up of four holes, and four groups of holes are coaxial, two-by-two one group of formation mountain type prong like.Cut with scissors root
Spot hole need to assemble bearing, so that bottom swing arm is rotated relative to axle on turntable;Anterior hinge hole need not assemble bearing, with a length
With left and right boom cylinder be connected this hinge by axle, drives boom cylinder to make equipment realize moving up and down;Side hinge hole and
Top deflects the equal assembled shaft in hinge hole and stop device, makes it with axle without relative motion.
Preferably, the deflection swing arm is provided with five groups of hinge holes, i.e., lower section hinge hole, two groups of rear side side hinge holes,
Front fork hinge hole and front lower hinge hole;Lower section hinge hole comprising two groups with forging shaft hole, arrangement before and after holes, axis perpendicular to
Turret axis, size is formed with bottom swing arm top chevron prong like hole and coordinated, and bearing is installed in two groups of holes during assembling, moves deflection
Axle of the upper-arm circumference on the swing arm of bottom carries out deflection action;Side hinge hole or so is distributed in deflection swing arm both sides, axis on rear side of in the of two groups
It is parallel with lower section hinge hole and form an obtuse angle isosceles triangle therewith, two groups of hinge holes by deflect oil cylinder respectively with bottom swing arm
Side hinge hole connects, and deflection oil cylinder is driven, to realize deflection action;Front fork hinge axially bored line is parallel with turntable, totally four holes
Coaxially formed mountain type prong like, is connected with dipper root hinge, from axis hole while assembling bearing pin and stop device, make this hole with
Bearing pin is without relative rotation;Front lower hinge axially bored line is parallel with turntable, and hole has four herein, and one group is used to assemble under two pieces two-by-two
Formula bucket arm cylinder is put, bearing pin has two pieces herein, assembled from both sides respectively, each forming bearing pin with bucket arm cylinder is connected, two pieces pin
Axle and stop device are assembled on deflection swing arm, make it with deflection swing arm hole without relative rotation.
Preferably, the scraper bowl is provided with six groups of hinge holes, i.e. root hinge hole, lower ear plate hinge hole, interior otic placode hinge
Hole, inner rocker hinge hole, outer rocking bar hinge hole, scraper bowl hinge hole;Root hinge hole is divided right and left distribution, with deflection movable arm front fork
Hinge hole mountain type prong like is formed and coordinated, and bearing is assembled in the hinge hole of root, and relative turning is carried out with deflection swing arm hinge hole
It is dynamic to act dipper;Lower ear plate hinge hole is bucket arm cylinder cylinder head hinge hole, is underneath type bucket arm cylinder, totally four holes two-by-two
The two pieces bucket arm cylinder assembled in group, with deflection swing arm is assembled together, and side is attached with a bearing pin, uses stop mechanism
Assembled with dipper and completed, make axle with dipper without relative rotation;Interior otic placode hinge hole is bucket cylinder cylinder body hinge hole, otic placode arrangement
In box inside, it is connected with pipe with dipper side sheet room, is connected with oil cylinder by the axle assembled from outside, stop mechanism is assembled to side
Plate outside, makes axle with lug plate holes without relative rotation, and slotted hole is opened in dipper top, so that bucket cylinder can be placed from slotted hole
Enter box house to be assembled, side perforate, auxiliary is observed when convenient for assembly;Inner rocker hinge pore size distribution is shaken in the middle part of dipper
Bar is tri-joint mechanism formula, and lower hinge is hinged with inner rocker hinge in box house, and the second hinge is hinged with bucket cylinder cylinder head, the 3rd
Hinge is hinged with rocker-arm link, and inner rocker hinge bearing pin is assembled on dipper, and stop mechanism, the second hinge and the are assembled in outside
Tri-joint mechanism bearing pin opened from dipper side plate and be assembled at slotted hole on tri-joint mechanism rocking bar, uses stop sleeve stop;Outer rocking bar hinge hole
Assembling bearing, and be hinged with outside rocking bar, outside rocking bar other end hinge is hinged with rocker-arm link, outer link, and axle is assembled to
On outside rocking bar, and stop sleeve stop is used, make axle with outside rocking bar without relative rotation;T-shaped set is assembled in scraper bowl hinge hole, and with pine
Hinge is hinged before soil bucket, and bearing pin is assembled to and loosens the soil on bucket, and keeps geo-stationary with the bucket that loosens the soil;The hinge after struggling against that loosens the soil connects with outside
Another hinge of bar is hinged, and the hinge of outer link two assembles bearing pin, is rotated with axle.
Preferably, the bucket tooth on the scraper bowl is crane bill type or double crane bill type bucket tooths.
Preferably, the deflection swing arm deflection angle is ± 45 °, and turntable cannot be turned round significantly when meeting tunnelling
When construction operation is carried out to edge.
Preferably, the deflection swing arm top welding protective cover, and protective plate is assembled, the hydraulic pressure of side is assembled to protect
Pipeline, lamp line, lubricating pipe;The fluid pressure line of dipper, lamp line, lubricating pipe are all disposed within box inside or casing lower section, make
Top falling object cannot be pounded;Boom cylinder, deflection oil cylinder top are protected by deflection swing arm guard system, and bucket arm cylinder is underlying
Formula, bucket cylinder is built-in.
Preferably, the deflection swing arm top is provided with the extremely strong hanger of weight capacity, hanger and the upper sealing plate for deflecting swing arm
And reinforcing plate is welded as a whole in casing.
Compared with prior art, excavator tunnel of the present invention gauche form equipment structure, aims at constructing tunnel design,
Equipment can free deflection, can carry out without dead angle operation;The accessible implementation of operation at top, can carry out arch correction of the flank shape operation and nothing
Need to worry to be unable to reach;Full protection is designed, the damage without having to worry about falling object to particular component;Whole machine transfer more facilitates fast
It is prompt;Make constructing tunnel operation more convenient efficiently.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the front view of Fig. 1.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of excavator tunnel gauche form equipment structure, including bottom swing arm 1, swing arm oil
Cylinder 2, deflection oil cylinder 3, deflection swing arm 4, bucket arm cylinder 5, dipper 6, bucket cylinder 7, inner rocker 8, rocker-arm link 9, outer rocking bar 10,
Outside connecting rod 11 and scraper bowl 12, the cylinder head of the boom cylinder 2 are connected with the front portion of bottom swing arm 1, the top of the bottom swing arm 1 with it is inclined
The bottom connection of cursor 4, two deflection oil cylinders 3 are arranged symmetrically in the both sides of bottom swing arm 1 and deflection swing arm 4, deflection oil cylinder 3
Cylinder body is connected with the sidepiece of bottom swing arm 1, and cylinder head is connected with the sidepiece of deflection swing arm 4;Anterior upside and the dipper 6 of deflection swing arm 4
Root connects;The front portion of dipper 6 is connected with scraper bowl 12;The bucket arm cylinder 5 has two, is arranged symmetrically in deflection swing arm 4 and bucket
Between bar 6;The cylinder body of bucket arm cylinder 5 is connected with the deflection underside of forward of swing arm 4, and cylinder head is connected with the bottom of dipper 6;The scraper bowl
Oil cylinder 7, inner rocker 8, rocker-arm link 9 are arranged in the inner side of dipper 6, and the cylinder body of bucket cylinder 7 is connected with the rear end of dipper 6, inside shakes
One end of bar 8 is connected with the middle part of dipper 6, the other end of inner rocker 8 cylinder head, one end of rocker-arm link 9 respectively with bucket cylinder 7
Connection;The other end of rocker-arm link 9 is connected with one end of outer rocking bar 10, one end of outside connecting rod 11;The other end of outer rocking bar 10 with
The anterior connection of dipper 6;The other end of outside connecting rod 11 is connected with the rear portion of scraper bowl 12.Connection between above-mentioned all parts can be adopted
Carried out with the mode being hinged.
Preferably, the bottom swing arm 1 is provided with five groups of hinge holes, i.e. root hinge hole, anterior hinge hole, two groups of side hinges
Spot hole and top deflection hinge hole;Root hinge hole is used to be connected with turntable, and anterior hinge hole is connected with boom cylinder 2, and two
Group hinge axially bored line is parallel to turntable axially bored line;Two groups of side hinge pore size distributions and rear side in the side plate of both sides, and perpendicular to root
Axis, is connected with deflection oil cylinder 3, for driving top deflection swing arm 4 to carry out deflection action;Bottom swing arm top deflects hinge
Perpendicular to root axis, this group of axis hole is made up of four holes in hole, and four groups of holes are coaxial, two-by-two one group of formation mountain type prong like.Root
Portion hinge hole need to assemble bearing, so that bottom swing arm 1 is rotated relative to axle on turntable;Anterior hinge hole need not assemble bearing,
This hinge is connected with left and right boom cylinder with a major axis, drives boom cylinder to make equipment realize moving up and down;Cut with scissors side
Spot hole and top the deflection equal assembled shaft in hinge hole and stop device, make it with axle without relative motion.
Preferably, the deflection swing arm 4 is provided with five groups of hinge holes, i.e., lower section hinge hole, two groups of rear side side hinge holes,
Front fork hinge hole and front lower hinge hole;Lower section hinge hole comprising two groups with forging shaft hole, arrangement before and after holes, axis perpendicular to
Turret axis, size is formed with bottom swing arm top chevron prong like hole and coordinated, and bearing is installed in two groups of holes during assembling, moves deflection
Axle of the arm 4 on bottom swing arm 1 carries out deflection action;Side hinge hole or so is distributed in deflection swing arm 4 both sides, axle on rear side of in the of two groups
Line is parallel with lower section hinge hole and forms an obtuse angle isosceles triangle therewith, and two groups of hinge holes are dynamic the bottom of with respectively by deflecting oil cylinder
Arm side hinge hole connects, and deflection oil cylinder is driven, to realize deflection action;Front fork hinge axially bored line is parallel with turntable, totally four
The coaxially formed mountain type prong like in hole, is connected with dipper root hinge, from axis hole while assembling bearing pin and stop device, make this hole
With bearing pin without relative rotation;Front lower hinge axially bored line is parallel with turntable, and hole has four herein, and one group is used to assemble two pieces two-by-two
Underneath type bucket arm cylinder, herein bearing pin have two pieces, respectively from both sides assemble, each with bucket arm cylinder formed bearing pin be connected, two pieces
Bearing pin and stop device are assembled on deflection swing arm, make it with deflection swing arm hole without relative rotation.
Preferably, the scraper bowl 12 is provided with six groups of hinge holes, i.e. root hinge hole, lower ear plate hinge hole, interior otic placode hinge
Spot hole, inner rocker hinge hole, outer rocking bar hinge hole, scraper bowl hinge hole;Root hinge hole is divided right and left distribution, with deflection swing arm 4
Front fork hinge hole mountain type prong like is formed and coordinated, and bearing is assembled in the hinge hole of root, and phase is carried out with deflection swing arm hinge hole
Act dipper rotation;Lower ear plate hinge hole is bucket arm cylinder cylinder head hinge hole, is underneath type bucket arm cylinder, totally four holes two
The two pieces bucket arm cylinder 5 assembled on two 1 groups, with deflection swing arm 4 is assembled together, and side is attached with a bearing pin, with only
Motivation structure is assembled with dipper and completed, and makes axle with dipper without relative rotation;Interior otic placode hinge hole is bucket cylinder cylinder body hinge hole, ear
Plate is arranged in box inside, is connected with pipe with dipper side sheet room, is connected with oil cylinder by the axle assembled from outside, stop mechanism dress
Side plate outside is assigned to, makes axle with lug plate holes without relative rotation, slotted hole is opened in dipper top, so that bucket cylinder can be from slotted hole
In be placed into box house and assembled, auxiliary is observed in side perforate when convenient for assembly;Inner rocker hinge pore size distribution is in dipper
Portion, rocking bar is tri-joint mechanism formula, and lower hinge is hinged with inner rocker hinge in box house, and the second hinge cuts with scissors with bucket cylinder cylinder head
Connect, tri-joint mechanism is hinged with rocker-arm link, inner rocker hinge bearing pin is assembled on dipper, stop mechanism, second are assembled in outside
Hinge and tri-joint mechanism bearing pin opened from dipper side plate and be assembled at slotted hole on tri-joint mechanism rocking bar, use stop sleeve stop;Shake outward
Bearing is assembled in bar hinge hole, and is hinged with outside rocking bar, and outside rocking bar other end hinge is hinged with rocker-arm link, outer link,
Axle is assembled on outside rocking bar, and uses stop sleeve stop, makes axle with outside rocking bar without relative rotation;The assembling of scraper bowl hinge hole is T-shaped
Set, and be hinged with the preceding hinge of the bucket that loosens the soil, bearing pin is assembled to and loosens the soil on bucket, and keeps geo-stationary with the bucket that loosens the soil;Loosen the soil and cut with scissors after struggling against
Point is hinged with another hinge of outer link, and the hinge of outer link two assembles bearing pin, is rotated with axle.
Preferably, the scraper bowl 12 can be loosened the soil bucket using tunnel tailored version, and the bucket tooth on scraper bowl 12 is crane bill type or double cranes
Mouth formula bucket tooth.The penetration capacity of crane bill type bucket tooth is stronger, and the cleaning ability of double crane-mouth-shaped bucket tooths is stronger, is more convenient tunneling operation.
In actual use, crown can make adjustment according to specific operating mode.
Preferably, the deflection swing arm 4 deflection angle is ± 45 °, and turntable cannot be returned significantly when meeting tunnelling
Construction operation is carried out to edge when turning.
Preferably, the top welding protective cover of the deflection swing arm 4, and protective plate is assembled, the liquid of side is assembled to protect
Pressure pipe road, lamp line, lubricating pipe;The fluid pressure line of dipper 6, lamp line, lubricating pipe are all disposed within box inside or casing lower section,
Top falling object is set to pound;Boom cylinder 2, the top of deflection oil cylinder 3 are protected by deflection swing arm guard system, bucket arm cylinder 5
It is underneath type, bucket cylinder 7 is built-in.By these protection or the selection of installation site, the parts such as oil cylinder, pipeline can be entered
Row protection well.
Preferably, the top of deflection swing arm 4 is provided with the extremely strong hanger of weight capacity, hanger and the upper envelope for deflecting swing arm 4
Reinforcing plate is welded as a whole in plate and casing.The weight of whole machine can be born, can be used for the lifting of whole machine, convenience crane is by tunnel
Road excavator is lifted to tunnel etc. is inconvenient to the place driven into.
Installment work process:
The root hinge hole of bottom swing arm 1 is connected with turntable, and anterior hinge hole is connected with boom cylinder 2, two groups of side hinges
Hole is connected with the deflection cylinder body of oil cylinder 3, and top deflects hinge hole and is connected with deflection swing arm 4 lower section hinge hole;After 4 two groups of swing arm of deflection
Side side hinge hole with deflection the cylinder head of oil cylinder 3 be connected, front fork hinge hole is connected with the root hinge hole of dipper 6, front lower hinge hole and
The cylinder body of bucket arm cylinder 5 is connected;The lower ear plate hinge hole of dipper 6 is connected with the cylinder head of bucket arm cylinder 5, interior otic placode hinge hole and bucket cylinder
7 cylinder bodies are connected, and inner rocker hinge hole is connected with inner rocker 8, and outer rocking bar hinge hole is connected with outer rocking bar 10, scraper bowl hinge hole with it is loose
Soil bucket 12 is connected;Each hinge of inner rocker 8 another two is connected with bucket cylinder 7, rocker-arm link 9 respectively, outer rocking bar 10 and rocker-arm link
9th, outside connecting rod 11 is connected, and hinge is connected with another hinge of outside connecting rod 11 after the bucket 12 that loosens the soil.
During work, by controlling the flexible of each oil cylinder, each of bottom swing arm 1, deflection swing arm 4, dipper 6 and scraper bowl 12 is realized
Individual action, finally realizes the excavation to all angles in tunnel, is carried out without dead angle.
Excavator tunnel of the present invention gauche form equipment structure, aims at constructing tunnel design, and equipment can be free
Deflection, can be carried out without dead angle operation;The accessible implementation of operation at top, can carry out arch correction of the flank shape operation and without having to worry about cannot reach
Arrive;Full protection is designed, the damage without having to worry about falling object to particular component;Whole machine transfer is more convenient;Apply tunnel
Work industry is more convenient efficiently.
Claims (8)
1. a kind of excavator tunnel gauche form equipment structure, it is characterised in that including bottom swing arm (1), boom cylinder
(2), deflection oil cylinder (3), deflection swing arm (4), bucket arm cylinder (5), dipper (6), bucket cylinder (7), inner rocker (8), rocking arm connect
Bar (9), outer rocking bar (10), outside connecting rod (11) and scraper bowl (12),
The cylinder head of the boom cylinder (2) is connected with the front portion of bottom swing arm (1), top and the deflection swing arm of the bottom swing arm (1)
(4) bottom connection, two deflections oil cylinder (3) are arranged symmetrically in the both sides of bottom swing arm (1) and deflection swing arm (4), deflect oil cylinder
(3) cylinder body is connected with bottom swing arm (1) sidepiece, and cylinder head is connected with the sidepiece of deflection swing arm (4);
The anterior upside of deflection swing arm (4) is connected with the root of dipper (6);The front portion of dipper (6) is connected with scraper bowl (12);
The bucket arm cylinder (5) has two, is arranged symmetrically between deflection swing arm (4) and dipper (6);The cylinder of bucket arm cylinder (5)
Body is connected with deflection swing arm (4) underside of forward, and cylinder head is connected with the bottom of dipper (6);
The bucket cylinder (7), inner rocker (8), rocker-arm link (9) are arranged in dipper (6) inner side, the cylinder body of bucket cylinder (7)
Rear end with dipper (6) is connected, and one end of inner rocker (8) is connected with the middle part of dipper (6), inner rocker (8) other end respectively with
One end connection of the cylinder head, rocker-arm link (9) of bucket cylinder (7);
The other end of rocker-arm link (9) is connected with one end of one end of outer rocking bar (10), outside connecting rod (11);Outer rocking bar (10) it is another
One end is connected with the front portion of dipper (6);The other end of outside connecting rod (11) is connected with the rear portion of scraper bowl (12).
2. a kind of excavator tunnel gauche form equipment structure according to claim 1, it is characterised in that the bottom
Swing arm (1) is provided with five groups of hinge holes, i.e. root hinge hole, anterior hinge hole, two groups of sides hinge hole and top deflection hinge
Spot hole;Root hinge hole is used to be connected with turntable, and anterior hinge hole is connected with boom cylinder (2), and two groups of hinge axially bored lines are parallel
In turntable axially bored line;Two groups of side hinge pore size distributions and rear side in the side plate of both sides, and perpendicular to root axis, with deflection oil
Cylinder (3) is connected, for driving top deflection swing arm (4) to carry out deflection action;Bottom swing arm top deflection hinge hole is perpendicular to root
Axis, this group of axis hole is made up of four holes, and four groups of holes are coaxial, two-by-two one group of formation mountain type prong like.
3. a kind of excavator tunnel gauche form equipment structure according to claim 2, it is characterised in that it is described partially
Cursor (4) is provided with five groups of hinge holes, i.e. lower section hinge hole, two groups of rear side side hinge holes, front fork hinge hole and front lower
Hinge hole;Lower section hinge hole, with forging shaft hole, arranges that axis is perpendicular to turret axis, size and bottom comprising two groups before and after holes
Swing arm top chevron prong like hole is formed and coordinates, and bearing is installed in two groups of holes during assembling, makes deflection swing arm (4) around bottom swing arm
(1) axle on carries out deflection action;Side hinge hole or so is distributed in deflection swing arm (4) both sides, axis and lower section on rear side of in the of two groups
Hinge hole is parallel and forms an obtuse angle isosceles triangle therewith, and two groups of hinge holes are cut with scissors with bottom swing arm side respectively by deflecting oil cylinder
Spot hole is connected, and deflection oil cylinder is driven, to realize deflection action;Front fork hinge axially bored line is parallel with turntable, totally four coaxial shapes in hole
Into mountain type prong like, be connected with dipper root hinge, from axis hole while assembling bearing pin and stop device, make this hole and bearing pin without
Relatively rotate;Front lower hinge axially bored line is parallel with turntable, and hole has four herein, and one group is used to assemble two pieces underneath type bucket two-by-two
Rod oil cylinder, herein bearing pin have two pieces, respectively from both sides assemble, each with bucket arm cylinder formed bearing pin be connected, two pieces bearing pin and stop
Dynamic device is assembled on deflection swing arm, makes it with deflection swing arm hole without relative rotation.
4. a kind of excavator tunnel gauche form equipment structure according to claim 3, it is characterised in that the shovel
Bucket (12) is provided with six groups of hinge holes, i.e. root hinge hole, lower ear plate hinge hole, interior otic placode hinge hole, inner rocker hinge hole, outer
Rocking bar hinge hole, scraper bowl hinge hole;Root hinge hole is divided right and left distribution, forked with deflection swing arm (4) front fork hinge hole mountain type
Structure is formed and coordinated, and bearing is assembled in the hinge hole of root, and dipper is acted to carry out relative rotation with deflection swing arm hinge hole;Under
Otic placode hinge hole is bucket arm cylinder cylinder head hinge hole, is underneath type bucket arm cylinder, totally four one group two-by-two of holes, with deflection swing arm
(4) the two pieces bucket arm cylinder (5) assembled on is assembled together, and side is attached with a bearing pin, with stop mechanism and dipper
Assembling is completed, and makes axle with dipper without relative rotation;Interior otic placode hinge hole is bucket cylinder cylinder body hinge hole, and otic placode is arranged in casing
Inner side, is connected with dipper side sheet room with pipe, is connected with oil cylinder by the axle assembled from outside, and stop mechanism is assembled to outside side plate
Side, makes axle with lug plate holes without relative rotation, and slotted hole is opened in dipper top, so that bucket cylinder can place inlet from slotted hole
Internal portion is assembled, and auxiliary is observed in side perforate when convenient for assembly;In the middle part of dipper, rocking bar is for inner rocker hinge pore size distribution
Tri-joint mechanism formula, lower hinge is hinged with inner rocker hinge in box house, and the second hinge is hinged with bucket cylinder cylinder head, tri-joint mechanism
It is hinged with rocker-arm link, inner rocker hinge bearing pin is assembled on dipper, stop mechanism, the second hinge and the 3rd hinge is assembled in outside
Point bearing pin opened from dipper side plate and be assembled at slotted hole on tri-joint mechanism rocking bar, uses stop sleeve stop;Outer rocking bar hinge hole assembling
Bearing, and be hinged with outside rocking bar, outside rocking bar other end hinge is hinged with rocker-arm link, outer link, and axle is assembled to outside
On rocking bar, and stop sleeve stop is used, make axle with outside rocking bar without relative rotation;T-shaped set is assembled in scraper bowl hinge hole, and with the bucket that loosens the soil
Preceding hinge is hinged, and bearing pin is assembled to and loosens the soil on bucket, and keeps geo-stationary with the bucket that loosens the soil;The hinge after struggling against that loosens the soil is another with outer link
One hinge is hinged, and the hinge of outer link two assembles bearing pin, is rotated with axle.
5. a kind of excavator tunnel gauche form equipment structure according to claim 1, it is characterised in that the shovel
Bucket tooth on bucket (12) is crane bill type or double crane bill type bucket tooths.
6. a kind of excavator tunnel gauche form equipment structure according to claim 1, it is characterised in that it is described partially
Cursor (4) deflection angle is ± 45 °, and edge is carried out when turntable cannot be turned round significantly when meeting tunnelling
Construction operation.
7. a kind of excavator tunnel gauche form equipment structure according to claim 1, it is characterised in that it is described partially
Cursor (4) top welding protective cover, and protective plate is assembled, fluid pressure line, lamp line, the lubrication management of side are assembled to protect
Road;The fluid pressure line of dipper (6), lamp line, lubricating pipe be all disposed within box inside or casing lower section, make top falling object cannot
Pound;Boom cylinder (2), deflection oil cylinder (3) top are protected by deflection swing arm guard system, and bucket arm cylinder (5) is underneath type, shovel
Bucket oil cylinder (7) is built-in.
8. a kind of excavator tunnel gauche form equipment structure according to claim 1, it is characterised in that it is described partially
Cursor (4) top is provided with the extremely strong hanger of weight capacity, hanger and reinforcing plate weldering in the upper sealing plate and casing of deflection swing arm (4)
It is connected in one.
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CN201611257287.1A CN106759564A (en) | 2016-12-30 | 2016-12-30 | A kind of excavator tunnel gauche form equipment structure |
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Cited By (5)
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CN110080319A (en) * | 2019-04-17 | 2019-08-02 | 徐州徐工矿业机械有限公司 | A kind of multi-arm power shovel |
CN112252387A (en) * | 2020-10-30 | 2021-01-22 | 徐州徐工挖掘机械有限公司 | Boom deflection system of excavator, excavator and boom deflection control method of excavator |
CN112443001A (en) * | 2019-09-02 | 2021-03-05 | 徐州徐工挖掘机械有限公司 | Low space working device and excavator |
CN112832309A (en) * | 2020-12-31 | 2021-05-25 | 徐州徐工挖掘机械有限公司 | Deflection type mechanism and excavator |
CN114541500A (en) * | 2022-04-06 | 2022-05-27 | 山东泰进机械装备有限公司 | Oil cylinder protection mechanism of excavator bucket |
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