CN109750708A - A kind of excavator quick switching joint - Google Patents
A kind of excavator quick switching joint Download PDFInfo
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- CN109750708A CN109750708A CN201910231134.7A CN201910231134A CN109750708A CN 109750708 A CN109750708 A CN 109750708A CN 201910231134 A CN201910231134 A CN 201910231134A CN 109750708 A CN109750708 A CN 109750708A
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- frame body
- swing arm
- hook
- jam plate
- crossover sub
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- Operation Control Of Excavators (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of excavator quick switching joints, belong to technical field of engineering machinery.The forearm mounting hole with small arm of digger assembly is offered at the top of crossover sub frame body, crossover sub frame body bottom is equipped with two hook of left and right, left side hook is fixed hook, right side hook is Removable hook, convert the bucket installation axle that connector frame body passes through fixed hook and Removable hook clamping bucket attachment base, Removable hook is linked up with by right side, swing arm and gusset form, and the Removable hook is fixed by locking device;Locking device is made of jam plate, link arm and oscillating control device, oscillating control device is manual overvide or electric controller, the swing of oscillating control device control jam plate, when jam plate playbacks, the swing arm that the device limits Removable hook keeps it movable, realizes clamping, controls the swing of jam plate, so that swing arm is swung, allows the fast quick-detach of Removable hook.
Description
Technical field
The present invention relates to a kind of excavator quick switching joints, belong to technical field of engineering machinery.
Background technique
In order to expand the use scope of excavator, the connecting rod forearm of excavator need to realize by quick coupling bucket,
The replacement of the work accessories such as quartering hammer and hydraulic shear.Well known excavator quick coupling can be divided into fluid pressure type and mechanical;
Hydraulic joint higher cost, Removable hook control the flexible installation for realizing bucket by hydraulic stem, it is also desirable to the several seconds, and
And need to connect with excavator liquid channel system, it is easy to happen failure.
The structure of existing mechanical quickly adapter is again complex, and the operating time is longer extremely to waste time.Patent
Number: CN201710298205.6 discloses a kind of excavator quick coupling, which needs manual rotation to adjust bolt, make closing piece
It slides back and forth, and then adjusts Removable hook rotation, and then hook bucket, since the screw pitch of bolt is limited, it is desirable to which adjusting activity is hung
The realization of hook rotational angle is first caught in bucket installation axle and hooks installation axle again, needs rotation bolt to be repeatedly just able to achieve, and closing piece
By spring top clamping, a large amount of physical strength can be consumed by turning bolt, can also waste the more time, so that practical operation effect is not
Ideal, therefore, highly desirable one kind novel quick adapter of excavator solve the above problems, and should save cost, again
Quickly realize switching.
Summary of the invention
In order to solve above-mentioned the shortcomings of the prior art, the present invention provides a kind of excavator quick switching joint, knots
Structure is simpler, and cost of manufacture is cheap, can be in the disassembly and installation of moment realization bucket, one can be operated with one hand, can also
By installation electromagnetism push rod, lifting electric cylinders realize remote operation, high degree shorten excavator transit working accessory when
Between, reduce the labor intensity of staff, improve the working efficiency of staff.
The technical solution adopted by the present invention to solve the technical problems is: a kind of excavator quick switching joint, including turns
Changing-over head holder, fixed hook and Removable hook, crossover sub frame body top is offered pacifies with the forearm of small arm of digger assembly
Hole is filled, crossover sub frame body bottom is equipped with two hook of left and right, and left side hook is fixed hook, and right side hook is Removable hook, turns
Changing-over connector frame body passes through the bucket installation axle of fixed hook and Removable hook clamping bucket attachment base, and the Removable hook is logical
Locking device is crossed to fix;
The crossover sub frame body by front and back side plate, intermediate rotary shaft, lower rotary shaft, the left connecting column of frame body, the right connecting column of frame body and
Baffle composition, the front and back side sheet room is fixedly connected by the left connecting column of frame body with the right connecting column of frame body, in crossover sub frame
The front and back side plate lower left of body offers fixed hook gap, which is that the left side in opening towards left side is linked up with, in front and back side
The forearm mounting hole with small arm of digger assembly is offered on plate, inserted with small arm of digger installation axle in forearm mounting hole,
The middle part of side sheet room is equipped with intermediate rotary shaft before and after crossover sub frame body, and the lower right of side sheet room is set before and after crossover sub frame body
There is lower rotary shaft;Locking device is installed in intermediate rotary shaft, Removable hook is installed on lower rotary shaft;
The Removable hook is linked up with by right side, swing arm and gusset form, and right side hook is located at side plate before and after crossover sub frame body
Lower right, roof are contacted with crossover sub frame body bottom wall, and opening is equipped with end and its towards right, in right side hook left end
The swing arm being fixedly connected, middle part of swing arm offer axle sleeve hole, and swing arm is covered on lower rotary shaft by its axle sleeve hole, make right side hook with
The connection of crossover sub frame body is equipped with the gusset increased with right side hook attachment force in swing arm, sets on the top and bottom sidewall of swing arm
There is the gusset for increasing its torsion;
The locking device is made of jam plate, link arm and oscillating control device, and jam plate is the plate body for being axle sleeve hole with top,
Jam plate is covered in intermediate rotary shaft by its axle sleeve hole, connect it with crossover sub frame body;It is fixed on the top side wall of jam plate to connect
It is connected to link arm, end in contact behind jam plate bottom end and swing arm, jam plate right end is equipped with the block for stopping it to swing forward, a pair of of block point
It is not fixed on the front-rear side walls of crossover sub frame body, oscillating control device, weave control dress is equipped on crossover sub frame body
It sets and is connect with the linking arm of jam plate, control its swing;
The oscillating control device be manual overvide or electric controller, manual overvide by compression bar, intermediate plate and
Tension spring composition, is equipped with the tension spring hinged with the link arm of jam plate, on jam plate top on the left connecting column of frame body of crossover sub frame body
End is equipped with the compression bar stretched out to the right, and equipped with the intermediate plate for clamping compression bar after energy deformation in swing arm, lower moulded rod makes compression bar front end
Now it is located between the intermediate plate in swing arm, the grip force of intermediate plate is avoided that tension spring is lifted under the action of lever principle;Jam plate passes through
Compression bar clockwise oscillation separates its bottom end with swing arm rear end, and limit of the swing arm due to rear end without jam plate makes swing arm on the right side of it
Using lower rotary shaft as axis swing under the gravity of hook, right side is linked up with then using lower rotary shaft as axis rotation, is increasingly towards its opening
Lower section, for bucket using left side bucket installation axle as axis swing, right side bucket installation axle is suitable as axle center using left side bucket installation axle
Hour hands are swung, and are detached from from the right side hook of opening gradually downward, are realized the disassembly of bucket;When smoothly needle is swung for swing arm,
The intermediate plate of top is gradually detached from compression bar, and locking plate playbacks under the action of tension spring;
The electric controller is made of telescoping electromagnetic valve and connecting rod, solid on the left connecting column of frame body of crossover sub frame body
Surely there is telescoping electromagnetic valve, the telescopic rod end of telescoping electromagnetic valve is hinged by the link arm of connecting rod and jam plate;Telescoping electromagnetic valve is logical
Circuit connection in conducting wire and excavator is crossed, the switch of telescoping electromagnetic valve is located in excavator driving room, flexible by switch control
Solenoid valve stretches out, and telescoping electromagnetic valve props link arm by connecting rod, is jam plate using intermediate rotary shaft as axle center clockwise oscillation, makes it
Unlock is implemented separately in bottom end and swing arm rear end, turns off the switch after bucket disassembly, jam plate playbacks under the action of telescoping electromagnetic valve, institute
The telescoping electromagnetic valve stated is miniature electromagnetic valve, and the telescoping electromagnetic valve can also be replaced by the identical flexible electric cylinders of principle.
Wherein, described to offer chamfering above swing arm rear end, chamfering is offered on the right of jam plate bottom end, when
When swing arm rear end is lockked in jam plate bottom end, jam plate bottom end fillet surface lower sideline is contacted with swing arm fillet surface lower sideline;
In the case that swing arm links up with stress on the right side of end, it is desirable to when clockwise oscillation, below the fillet surface lower sideline of its rear end
End face contacted with the end face below the chamfering lower sideline of jam plate bottom end, engage the contact surface realization of swing arm and jam plate, i.e. jam plate
It needs using intermediate rotary shaft as axle center counter-clockwise swing, and jam plate cannot achieve rotation by block bumping post, pass through jam plate to play
The effect that swing arm is locked swing swing arm can not smoothly needle, and the bottom wall of the roof and crossover sub frame body of right side hook
Contact, swing arm also can not counter-clockwise swing, then right side link up with opening can not change direction, thus the bucket of stuck fast bucket
Installation axle.
When disassembly is desired, by manual overvide or electric controller by jam plate clockwise oscillation, due to jam plate
It is equipped with chamfering with swing arm contact position, when jam plate clockwise oscillation, the chamfering inclined-plane above the chamfering lower sideline of jam plate bottom end is not
It can be contacted with the end face of swing arm rear end, can easily realize swing, after jam plate unlock, then lift quick switching joint frame body
When, under the action of bucket self weight, right side bucket installation axle just directly drives right side hook, since swing arm is without the tight of jam plate
Fixed, its rear end can continue to clockwise oscillation, makes right side hook with lower rotary shaft axle center clockwise oscillation, is right side hooking slits
It is increasingly towards lower section, so that bucket installation axle on the right side of bucket be allowed to fall off from the hook of right side;
The right connecting column of the frame body can limit the oscillating quantity of swing arm, in the case where jam plate unlock, when swing arm is on the end right side
When the self weight lower swing of side hanging hook, its rear end swing arm is contacted with the right connecting column of frame body, when swing arm is contacted with the right connecting column of frame body,
Axle center is linked up with to the distance on swing arm end right side hooking slits top in left side, identical at a distance from two bucket installation axles of bucket.
When needing Fast Installation bucket, upward by the bucket attachment base of bucket, i.e., two bucket installation axles are located at bucket
Top, control be equipped with the quick switching joint excavator forearm, be crossover sub frame body left side hook be stuck in a left side
In the bucket installation axle of side, small arm of digger is pushed by axle center of left side bucket installation axle, makes crossover sub frame body with left side bucket
Installation axle is axle center clockwise oscillation, links up with the right side below the swing arm contacted with the right connecting column of the frame body of crossover sub frame body
Close to right side bucket installation axle, then the open top end that right side is linked up with is contacted with the roof of right side bucket installation axle, continues to move, right
The axle center and right side bucket that side hanging hook then can be such that right side links up with using the contact line of its right side bucket installation axle as axis rotation are installed
The axle center of axis is gradually overlapped, and the direction of hooking slits is also increasingly towards right side on the right side of the process, until right side hook roof and is turned
The contact of changing-over head holder bottom wall, swing arm are lockked by jam plate, and the side wall below the hooking slits of right side holds right side bucket installation axle
Fixed, right side hook is limited, and entire bucket is installed;During the installation process, jam plate is in locked state, and swing arm is counterclockwise
When swing, its rear end first contacts the chamfering of jam plate bottom end, revert to along its chamfering and does not set with jam plate bottom end contact condition, jam plate
Clockwise oscillation limiting device is set, the tension spring of moment manual overvide or the connecting rod of electric controller of contact can allow for
Subtle clockwise oscillation occurs for jam plate.
A kind of excavator of model the bucket of matched work accessory, quartering hammer and hydraulic shear installation shaft position it is homogeneous
Together, so the excavator quick switching joint can be achieved at the same time the quick despatch of bucket, quartering hammer and hydraulic shear.
The device can be zoomed in or out according to the difference of dimension of excavator model, equal proportion, to cooperate different types of machines
It uses.
The beneficial effects of the present invention are: solve the problems, such as that the quick adapter of existing excavator is at high cost, low efficiency, structure
Layout is few, and structure is simpler, and production gets up to be more easier, and cost of manufacture is cheaper, only needs single singlehanded lower moulded rod,
The disassembly that can realize bucket moment mitigates the dynamics of manual operation moulded rod at present using link mechanism, after bucket disassembly from
Dynamic return directly just can be carried out installation there are no palpus manual operation when bucket is installed;Minimum, the miniature electricity of power needed for jam plate unlocks
Magnetic push rod or lifting electric cylinders can also push it, and by conducting wire and interior circuit connection, be able to achieve remote operation, high degree
It shortens the time of excavator transit working accessory, reduce the labor intensity of staff, improve the work of staff
Efficiency.
Detailed description of the invention
The present invention is further described with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is structural schematic diagram of the invention.
Fig. 3 is the structural schematic diagram after broken section of the present invention.
Fig. 4 is the enlarged drawing after broken section of the present invention.
Structural schematic diagram when Fig. 5 is present invention unlock.
Procedure chart when Fig. 6 is present invention disassembly bucket.
Fig. 7 is that the present invention disassembles the structural schematic diagram after bucket.
Structural schematic diagram when Fig. 8 is present invention installation bucket.
Fig. 9 is the structural schematic diagram after present invention installation bucket.
Figure 10 is the structural schematic diagram of present invention replacement jam plate electric controller.
Figure 11 is the partial enlarged view of present invention replacement jam plate electric controller.
Structural schematic diagram when Figure 12 is present invention replacement jam plate electric controller unlock.
Figure 13 is crossover sub frame structure schematic diagram of the present invention.
Figure 14 is the structure sectional view of crossover sub frame body of the present invention.
Figure 15 is the frame structure schematic diagram of present invention installation jam plate.
Figure 16 is the structural schematic diagram of present invention installation swing arm Removable hook.
Figure 17 is the structural schematic diagram of present invention installation swing arm Removable hook.
Figure 18 is schematic structural view of the invention.
Figure 19 is schematic structural view of the invention.
Figure label:
1, crossover sub frame body, 2, left side hook, 3, right side hook, 4, bucket, 5, bucket installation axle, 6, bucket attachment base, 7,
Forearm installation axle, 8, intermediate rotary shaft, 9, lower rotary shaft, 10, swing arm, 11, jam plate, 12, the left connecting column of frame body, 13, the right connection of frame body
Column, 14, block, 15, link arm, 16, compression bar, 17, intermediate plate, 18, tension spring, 19, telescoping electromagnetic valve, 20, connecting rod, 21, forearm peace
Fill hole, 22, gusset.
Specific embodiment
As shown in figures 1-19, a kind of excavator quick switching joint, including crossover sub frame body 1, fixed hook and activity
It links up with, the forearm mounting hole 21 with small arm of digger assembly, 1 bottom of crossover sub frame body is offered at the top of crossover sub frame body 1
Equipped with two hook of left and right, left side hook 2 is fixed hook, and right side hook 3 is Removable hook, and conversion connector frame body 1 passes through solid
The bucket installation axle 4 of fixed hook and Removable hook clamping bucket attachment base 6, the Removable hook are fixed by locking device;
The crossover sub frame body 1 is by front and back side plate, intermediate rotary shaft 8, lower rotary shaft 9, the left connecting column 12 of frame body, the right connection of frame body
Column 13 and baffle 14 form, and the front and back side sheet room is fixedly connected by the left connecting column 12 of frame body with the right connecting column 13 of frame body,
Side plate lower left offers fixed hook gap before and after crossover sub frame body 1, which is left side of the opening towards left side
Hook 2 offers the forearm mounting hole 21 with small arm of digger assembly on the side plate of front and back, in forearm mounting hole 21 inserted with
Small arm of digger installation axle 7 is equipped with intermediate rotary shaft 8 at the middle part of 1 front and back side sheet room of crossover sub frame body, in crossover sub frame body
The lower right of 1 front and back side sheet room is equipped with lower rotary shaft 9;Locking device is installed in intermediate rotary shaft 8, activity is installed on lower rotary shaft 9
Hook;
The Removable hook is made of right side hook 3, swing arm 10 and gusset 22, before right side hook 3 is located at crossover sub frame body 1
Back side panel lower right, roof are contacted with 1 bottom wall of crossover sub frame body, and opening is linked up with 3 left ends on right side and be equipped with towards right
The swing arm 10 that end is firmly connected with it offers axle sleeve hole in the middle part of swing arm 10, and swing arm 10 is covered by its axle sleeve hole in lower rotary shaft 9
On, it connect right side hook 3 with crossover sub frame body 1, the gusset for increasing and linking up with 3 attachment force with right side is equipped in swing arm 10
22, the gusset 22 for increasing its torsion is equipped on the top and bottom sidewall of swing arm 10;
The locking device is made of jam plate 11, link arm 15 and oscillating control device, and it is axle sleeve hole that jam plate 11, which is with top,
Plate body, jam plate 11 covered in intermediate rotary shaft 8 by its axle sleeve hole, connect it with crossover sub frame body 1;The top of jam plate 11
Link arm 15, end in contact behind 11 bottom end of jam plate and swing arm 10 are fixedly connected on side wall, 11 right end of jam plate, which is equipped with, stops it forward
The block 14 of swing, a pair of of block 14 is separately fixed on the front-rear side walls of crossover sub frame body 1, on crossover sub frame body 1
Equipped with oscillating control device, oscillating control device is connect with the linking arm 15 of jam plate 11, controls its swing;
The oscillating control device is manual overvide or electric controller, and manual overvide is by compression bar 16, intermediate plate
17 and tension spring 18 form, be equipped on the left connecting column 12 of frame body of crossover sub frame body 1 hinged with the link arm 15 of jam plate 11
Tension spring 18 is equipped with the compression bar 16 stretched out to the right on 11 top of jam plate, and compression bar 16 can be clamped after deformation by being equipped in swing arm 10
Intermediate plate 17, lower moulded rod 16 are located at 16 front end of compression bar now between the intermediate plate 17 in swing arm 10, and the grip force of intermediate plate 17 is in lever principle
Under the action of be avoided that tension spring 18 is lifted;Jam plate 11 makes its bottom end and 10 rear end of swing arm by 16 clockwise oscillation of compression bar
It separates, limit of the swing arm 10 due to rear end without jam plate 11 links up with swing arm 10 on the right side of it under 3 gravity with 9 axis of lower rotary shaft
The heart is swung, and right side hook 3 is then axis rotation with lower rotary shaft 9, so that its opening is increasingly towards lower section, bucket is with the installation of left side bucket
Axis 5 is axis swing, right side bucket installation axle 5 with left side bucket installation axle 5 for axle center clockwise oscillation, from opening gradually to
Under right side hook 3 in be detached from, realize the disassembly of bucket;When swing arm 10 smoothly needle swing when, above intermediate plate 7 gradually with pressure
Bar 16 is detached from, and locking plate 11 playbacks under the action of tension spring 18;
The electric controller is made of telescoping electromagnetic valve 19 and connecting rod 20, in the left connection of the frame body of crossover sub frame body 1
Telescoping electromagnetic valve 19 is fixed on column 12, the telescopic rod end of telescoping electromagnetic valve 19 passes through the link arm 15 of connecting rod 20 and jam plate 11
Hingedly;Telescoping electromagnetic valve 19 is located at excavator driving by circuit connection in conducting wire and excavator, the switch of telescoping electromagnetic valve 19
Interior is stretched out by switch control telescoping electromagnetic valve 19, and it is jam plate 11 that telescoping electromagnetic valve 19, which props link arm 15 by connecting rod 20,
With intermediate rotary shaft 8 for axle center clockwise oscillation, makes its bottom end and 10 rear end of swing arm that unlock be implemented separately, close and open after bucket disassembly
It closes, jam plate 11 playbacks under the action of telescoping electromagnetic valve 19, and the telescoping electromagnetic valve 19 is miniature electromagnetic valve, and described is flexible
Solenoid valve 19 can also be replaced by the identical flexible electric cylinders of principle.
Wherein, described to offer chamfering above 10 rear end of swing arm, it is offered down on the right of 11 bottom end of jam plate
Angle, when 10 rear end of swing arm is lockked in 11 bottom end of jam plate, 11 bottom end fillet surface lower sideline of jam plate connects with 10 fillet surface lower sideline of swing arm
Touching;
In the case that swing arm 10 links up with 3 stress on the right side of end, it is desirable to when clockwise oscillation, under the fillet surface lower sideline of its rear end
The end face of side is contacted with the end face below 11 bottom end chamfering lower sideline of jam plate, nibbles swing arm 10 and the contact surface realization of jam plate 11
It closing, i.e., jam plate 11 is needed with intermediate rotary shaft 8 for axle center counter-clockwise swing, and jam plate 11 cannot achieve rotation by 14 bumping post of block,
It to play the effect for locking swing arm 10 by jam plate 11, swing swing arm 10 can not smoothly needle, and the roof of right side hook 3
Again contacted with the bottom wall of crossover sub frame body 1, swing arm 10 also can not counter-clockwise swing, then right side hook 3 opening can not change
Direction, thus the bucket installation axle 5 of stuck fast bucket.
When disassembly is desired, by manual overvide or electric controller by 11 clockwise oscillation of jam plate, due to lock
Plate 11 and 10 contact position of swing arm are equipped with chamfering, when 11 clockwise oscillation of jam plate, above 11 bottom end chamfering lower sideline of jam plate
Chamfering inclined-plane will not be contacted with the end face of 10 rear end of swing arm, can easily realize swing, after the unlock of jam plate 11, then be lifted quickly
When crossover sub frame body 1, under the action of bucket self weight, right side bucket installation axle 5 just directly drives right side hook 3, due to pendulum
Without the tightening of jam plate 11, its rear end can continue to clockwise oscillation, keeps right side hook 3 suitable with 9 axle center of lower rotary shaft arm 10
Hour hands are swung, and are that hook 3 opening in right side is increasingly towards lower section, so that bucket installation axle 5 on the right side of bucket be allowed to take off from right side hook 3
It falls;
The right connecting column 13 of the frame body can limit the oscillating quantity of swing arm 10, in the case where jam plate 11 unlocks, when swing arm 10
On the right side of end when the self weight lower swing of hook 3, its rear end swing arm 10 is contacted with the right connecting column 13 of frame body, when swing arm 10 and frame body
When right connecting column 13 contacts, the distance of 13 open top ends of hook on the right side of 12 axle center to 10 end of swing arm is linked up in left side, with bucket
The distance of two bucket installation axles 5 is identical.
When needing Fast Installation bucket, upward by the bucket attachment base 6 of bucket, i.e. two bucket installation axles 5, which are located at, is dug
The top of bucket, control are equipped with the forearm of the excavator of the quick switching joint, are 2 cards of left side hook of crossover sub frame body 1
In left side bucket installation axle 5, it is that axle center pushes small arm of digger with left side bucket installation axle 5, makes crossover sub frame body 1 with a left side
Side bucket installation axle 5 is axle center clockwise oscillation, is made under the swing arm 10 contacted with the right connecting column 13 of the frame body of crossover sub frame body 1
The right side hook 3 of side is close to right side bucket installation axle 5, then 3 open top end and the roof of right side bucket installation axle 5 are linked up in right side
Contact, continues to move, and right side hook 3 then can make right side hook 3 using the contact line of its right side bucket installation axle 5 as axis rotation
Axle center be gradually overlapped with the axle center of right side bucket installation axle 5, the direction of 3 opening of hook is also increasingly towards the right side on the right side of the process
Side is linked up with 3 roofs until right side and is contacted with 1 bottom wall of crossover sub frame body, and swing arm 10 is lockked by jam plate 11,3 opening of right side hook
Right side bucket installation axle 5 is held fixation by the side wall of lower section, and right side hook 3 is limited, and entire bucket is installed;It was installing
Cheng Zhong, jam plate 11 are in locked state, and when 10 counter-clockwise swing of swing arm, its rear end first contacts the chamfering of 11 bottom end of jam plate, along it
Chamfering, which is revert to, is not provided with clockwise oscillation limiting device, the moment hand of contact with 11 bottom end contact condition of jam plate, jam plate 11
The tension spring 18 of dynamic control device or the connecting rod 20 of electric controller can allow for jam plate 11 that subtle clockwise oscillation occurs.
A kind of excavator of model the bucket of matched work accessory, quartering hammer and hydraulic shear installation shaft position it is homogeneous
Together, so the excavator quick switching joint can be achieved at the same time the quick despatch of bucket, quartering hammer and hydraulic shear.
The device can be zoomed in or out according to the difference of dimension of excavator model, equal proportion, to cooperate different types of machines
It uses.
Claims (5)
1. a kind of excavator quick switching joint, including crossover sub frame body (1), fixed hook and Removable hook, crossover sub
The forearm mounting hole (21) with small arm of digger assembly is offered at the top of frame body (1), crossover sub frame body (1) bottom is equipped with left and right
Two hooks, it is fixed hook that (2) are linked up in left side, and it is Removable hook that (3) are linked up on right side, and conversion connector frame body (1) passes through fixation
The bucket installation axle (4) of hook and Removable hook clamping bucket attachment base (6), the Removable hook are solid by locking device
It is fixed;It is characterized by: the crossover sub frame body (1) is by front and back side plate, intermediate rotary shaft (8), lower rotary shaft (9), the left company of frame body
It connects column (12), the right connecting column of frame body (13) and baffle (14) composition, the front and back side sheet room and passes through the left connecting column of frame body (12)
It is fixedly connected with the right connecting column of frame body (13), side plate lower left offers fixed hook and slits before and after crossover sub frame body (1)
Mouthful, which is that (2) are linked up in the left side in opening towards left side, is offered on the side plate of front and back small with small arm of digger assembly
Arm mounting hole (21), forearm mounting hole (21) is interior inserted with small arm of digger installation axle (7), before and after crossover sub frame body (1)
The middle part of side sheet room is equipped with intermediate rotary shaft (8), and the lower right of side sheet room is equipped with lower rotary shaft (9) before and after crossover sub frame body (1);
Locking device is installed, lower rotary shaft is equipped with Removable hook on (9) in intermediate rotary shaft (8);The Removable hook is hung by right side
Hook (3), swing arm (10) and gusset (22) composition, right side hook (3) are located at side plate lower right before and after crossover sub frame body (1),
Roof is contacted with crossover sub frame body (1) bottom wall, and opening is equipped with end in right side hook (3) left end and it is solid towards right
Surely the swing arm (10) connected, swing arm (10) middle part offer axle sleeve hole, and swing arm (10) is covered by its axle sleeve hole in lower rotary shaft (9)
On, it connect right side hook (3) with crossover sub frame body (1), is equipped with to increase on swing arm (10) and links up with (3) attachment force with right side
Gusset (22), on the top and bottom sidewall of swing arm (10) be equipped with increase its torsion gusset (22);The locking device is by locking
Plate (11), link arm (15) and oscillating control device composition, jam plate (11) are the plate body for being axle sleeve hole with top, and jam plate (11) is logical
It crosses its axle sleeve hole to cover on intermediate rotary shaft (8), connect it with crossover sub frame body (1);It is solid on the top side wall of jam plate (11)
Surely it is connected with link arm (15), jam plate (11) bottom end and swing arm (10) end in contact afterwards, jam plate (11) right end, which is equipped with, stops it forward
The block (14) of swing, a pair of of block (14) is separately fixed on the front-rear side walls of crossover sub frame body (1), in crossover sub frame
Body (1) is equipped with oscillating control device, and oscillating control device is connect with the linking arm (15) of jam plate (11), controls its swing;Institute
The oscillating control device stated is manual overvide, and manual overvide is made of compression bar (16), intermediate plate (17) and tension spring (18),
The tension spring hinged with the link arm (15) of jam plate (11) is equipped on the left connecting column of frame body (12) of crossover sub frame body (1)
(18), the compression bar (16) stretched out to the right is equipped on jam plate (11) top, compression bar can be clamped after deformation by being equipped on swing arm (10)
(16) intermediate plate (17), lower moulded rod (16) are located at compression bar (16) front end now between the intermediate plate (17) on swing arm (10), intermediate plate
(17) grip force is avoided that tension spring (18) is lifted under the action of lever principle;Jam plate (11) is clockwise by compression bar (16)
It swings, separates its bottom end with swing arm (10) rear end, limit of the swing arm (10) due to rear end without jam plate (11) makes swing arm (10) exist
With lower rotary shaft (9) for axis swing under the gravity of its right side hook (3), right side is linked up with (3) and is then turned with lower rotary shaft (9) for axle center
It is dynamic, so that its opening is increasingly towards lower section, bucket with left side bucket installation axle (5) for axis swing, right side bucket installation axle (5)
With left side bucket installation axle (5) for axle center clockwise oscillation, it is detached from from the right side hook (3) of opening gradually downward, realizes and dig
The disassembly of bucket;When smoothly needle is swung for swing arm (10), above intermediate plate (7) be gradually detached from compression bar (16), locking plate (11) exists
Tension spring playbacks under the action of (18).
2. a kind of excavator quick switching joint according to claim 1, it is characterised in that: the electric controller
It is made of telescoping electromagnetic valve (19) and connecting rod (20), is fixed with and stretches on the left connecting column of frame body (12) of crossover sub frame body (1)
The telescopic rod end of contracting solenoid valve (19), telescoping electromagnetic valve (19) is cut with scissors by the link arm (15) of connecting rod (20) and jam plate (11)
It connects;Telescoping electromagnetic valve (19) is driven by circuit connection in conducting wire and excavator, the switch of telescoping electromagnetic valve (19) positioned at excavator
Interior is sailed, is stretched out by switch control telescoping electromagnetic valve (19), telescoping electromagnetic valve (19) props link arm by connecting rod (20)
(15), it is jam plate (11) with intermediate rotary shaft (8) for axle center clockwise oscillation, makes its bottom end and swing arm (10) rear end that solution be implemented separately
Lock turns off the switch after bucket disassembly, and jam plate (11) playbacks under the action of telescoping electromagnetic valve (19), the telescoping electromagnetic valve
It (19) is miniature electromagnetic valve, the telescoping electromagnetic valve (19) can also be replaced by the identical flexible electric cylinders of principle.
3. a kind of excavator quick switching joint according to claim 1, it is characterised in that: described after swing arm (10)
Chamfering is offered above end, offers chamfering on the right of jam plate (11) bottom end, when swing arm is lockked in jam plate (11) bottom end
(10) when rear end, jam plate (11) bottom end fillet surface lower sideline is contacted with swing arm (10) fillet surface lower sideline.
4. a kind of excavator quick switching joint according to claim 1, it is characterised in that: the right connecting column of the frame body
(13) oscillating quantity that swing arm (10) can be limited, in the case where jam plate (11) unlock, when swing arm (10) is linked up on the right side of end
(3) when self weight lower swing, its rear end swing arm (10) is contacted with the right connecting column of frame body (13), when swing arm (10) and the right connection of frame body
When column (13) contacts, the distance of hook (13) open top end on the right side of (12) axle center to swing arm (10) end is linked up in left side, with bucket
Two bucket installation axles (5) distance it is identical.
5. a kind of excavator quick switching joint according to claim 1, it is characterised in that: the device can be according to excavator
The difference of size model number, equal proportion zoom in or out, to cooperate the use of different types of machines.
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CN110792121A (en) * | 2019-10-23 | 2020-02-14 | 广西柳工机械股份有限公司 | Quick changing device for loader accessories |
CN115369938A (en) * | 2022-09-22 | 2022-11-22 | 钱薛飞 | Hydraulic excavator with quick-change bucket |
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