CN101839003B - Multifunctional crane excavator - Google Patents

Multifunctional crane excavator Download PDF

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Publication number
CN101839003B
CN101839003B CN2009100586303A CN200910058630A CN101839003B CN 101839003 B CN101839003 B CN 101839003B CN 2009100586303 A CN2009100586303 A CN 2009100586303A CN 200910058630 A CN200910058630 A CN 200910058630A CN 101839003 B CN101839003 B CN 101839003B
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hydraulic cylinder
arm
end
counter
jib
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CN2009100586303A
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CN101839003A (en
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陈炯
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陈炯
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Abstract

The invention relates to a multifunctional crane excavator which has both the hoisting function and the excavating function. By using a chassis of a crawler excavator as an excavator body, the multifunctional crane excavator is provided with a main arm, an auxiliary arm, a balance arm, a supporting seat, a derricking hydraulic cylinder, a main hydraulic winch, an auxiliary hydraulic winch and a balance weight. A gravitational moment which is generated when the multifunctional crane excavator carries out lifting and excavating operations is balanced by a gravitational moment of the balance arm at the other end of the supporting seat; the gravitational moment which is generated during lifting and excavation does not act on the body of the multifunctional crane excavator fully, the roll-over action on the multifunctional crane excavator is very small, therefore, the safety under the condition of the same lifting and excavating capability is improved. Accordingly, the invention is quite suitable for application in special lifting sites and special excavating operations.

Description

Multifunctional crane excavator

Technical field

The present invention relates to a kind of hoisting function that both had, there is again the multifunctional crane excavator of data mining duty.Therefore, this machine not only can be used as hydraulic crane and uses, but also can be used as hydraulic crawler excavator, uses.Can be used at urban construction, development of real estate, traffic engineering construction, especially, in water conservancy, electric power, petrochemical industry, mine metallurgical construction engineering, substantial use value be arranged.

Background technology

Hydraulic crane is during with cantilever crane form hoisting heavy, and hoisting heavy will, to gravitational moment of tumbling of hydraulic crane effect, make hydraulic crane in rollover conditions.This plays lift heavy for the lifting trimming moment institute balance that hard iron is had by hydraulic crane, makes hydraulic crane keep stable.The lifting moment of hydraulic crane is consisted of the product of the lifting arm of force and fuselage gravity: the distance between the position of centre of gravity of fuselage and hydraulic pressure leg is the lifting force arm lengths, and hydraulic crane weight and balance weight sum are fuselage gravity.Because of lifting force arm lengths and hydraulic crane weight, counterweight, fix, therefore, the lifting trimming moment of hydraulic crane is a fixed value.When the lifting gravitational moment of hoisting heavy increases, only have by operation luffing hydraulic cylinder and change ,Yi place, the arm elevation angle short lifting weight arm vertical length mode, reduce the lifting gravitational moment and tumble to prevent hydraulic crane.Because the lifting equilibrant force hard iron of hydraulic crane is fixed value, along with the increase of hoisting heavy weight, the lifting safety factor is reducing gradually, is unfavorable for safty hoisting.For safty hoisting, along with the increase liquid of hoisting weight.Press length, width and the weight of crane all to increase, to increase lifting equilibrant force hard iron.But make the driving power of hydraulic crane increase, fuel consume increases thereupon.

In urban construction, development of real estate, traffic engineering construction mid-early stage construction, its basic production operation is mining clay or sandy soil, and this generally uses hydraulic crawler excavator.In hydraulic and electric engineering, petrochemical industry, mine smelter construction project, also use hydraulic crawler excavator mining clay, sandy soil or ore but in hydraulic and electric engineering, petrochemical industry, the special job site of mine smelter: due to the demand of engineering construction, sometimes both needed to use the engineering machinery with hoisting function, need again to use the engineering machinery with data mining duty, but, because job site is narrow and small, can not place the engineering machinery such as lower hydraulic crane, hydraulic crawler excavator simultaneously; Sometimes complete special production operation task, need a kind of engineering machinery that simultaneously there is hoisting function, data mining duty.But the domestic engineering machinery that hoisting function, data mining duty are integrated that there is no at present.

From the above mentioned, while adopting the hydraulic crane hoisting heavy of prior art, hoisting heavy will make hydraulic crane in rollover conditions to gravitational moment of tumbling of hydraulic crane effect, limit the performance of the maximum hoisting function of hydraulic crane.During hoisting heavy, the luffing hydraulic cylinder supports arm, and the lifting gravitational moment all acts on the luffing hydraulic cylinder, while promoting the overhanging change arm of the luffing hydraulic cylinder piston rod elevation angle, needs the very hydraulic pressure of high pressure.Form hydraulic system Hydraulic Elements---hydraulic pump, pressure-control valve, flow control valve, directional control valve, hydraulic cylinder etc. had both needed to select the very grade of High Voltage, needing again has very large flow, this will cause the hydraulic system price to increase, and the hydraulic crane cost of production increases.The operation function of hydraulic crane, hydraulic crawler excavator is single, purchases separately, increases construction cost.

Summary of the invention

For the domestic engineering machinery that hoisting function, data mining duty are integrated that there is no at present, the present invention, by changing the frame for movement of lifting machinery, excavation machinery, is integrated in one hoisting function, data mining duty.Main order of the present invention is: a kind of hoisting function that both had is provided, has again the multifunctional crane excavator of data mining duty, to adapt to the needs of various engineering constructions, improve the ratio of performance to price of multifunctional crane excavator.Multifunctional crane excavator is with special stern structure and the arm mounting means of hanging, reduce the power of the tumbling hard iron, driving power and the cost of production that bear of multifunctional crane excavator under the prerequisite of lifting identical weight, realize lifting easily and safely weight, mining clay at the special construction scene.

Above-mentioned purpose of the present invention is achieved in that take wheeled excavator, crawler-mounted excavator is body, principal arm, auxiliary, counter-jib, supporting base, luffing hydraulic cylinder, main hydraulic wireline winch, secondary hydraulic wireline winch, activity balancing counterweight is installed and is formed multifunctional crane excavator.The supporting base be comprised of pedestal, pan seat is installed on the revolving dial on crawler-mounted excavator chassis.Principal arm is comprised of head pulley, principal arm body, V-arrangement arm, main travelling arm, main travelling arm hydraulic cylinder, principal arm hydraulic cylinder.Hinge axis is installed in two sides in the middle rear end of principal arm body, and hinge seat is installed on top, the two sides processing of the rear end long gathering sill that slides, piston rod connection pan.Principal arm body rear end and counter-jib front end chain connection form folding hanging-arm, and the hinge axis that in folding hanging-arm, install rear end is placed in the pan seat on supporting base and becomes the lever mounting means.The piston rod of luffing hydraulic cylinder and principal arm rear end pan chain connection, the hinge seat chain connection of installing on the tail end of luffing hydraulic cylinder and revolving dial.Auxiliary is comprised of bucket, auxiliary body, auxiliary pulley, secondary travelling arm, secondary travelling arm hydraulic cylinder, auxiliary hydraulic cylinder, reinforcement gusset, auxiliary postmedian and principal arm front end chain connection.Counter-jib mountain counter-jib gathering sill, displacement hydraulic cylinder, balance hydraulic cylinder, counter-jib body, activity balancing counterweight, lifting body form.The hinge seat at counter-jib middle part is connected with an end of raising plate, the hinge axis chain connection in the long gathering sill of the other end of raising plate and principal arm rear end.Jacking hydraulic cylinder tail end is arranged on the middle rear end of principal arm, and the hinge axis in long gathering sill is installed in the hinge seat of jacking hydraulic cylinder piston rod, and the activity balancing counterweight is connected with bolt with counter-jib, and balance hydraulic cylinder connects principal arm rear end and counter-jib.Main hydraulic wireline winch, secondary hydraulic wireline winch are arranged on counter-jib, and an end of main hydraulic wireline winch cable wire, around principal arm front end fixed pulley group, connects running block main hoisting hook.One end of secondary hydraulic wireline winch rete cord, around auxiliary rear end fixed pulley, connects the secondary suspension hook of front end running block.Luffing hydraulic cylinder, main hydraulic wireline winch connect respectively corresponding hydraulic control circuit, and secondary hydraulic wireline winch, displacement hydraulic cylinder, balance hydraulic cylinder, jacking hydraulic cylinder connect respectively newly-increased separately hydraulic control circuit.

Adopt technique scheme, the hinge axis of the folding hanging-arm of multifunctional crane excavator is arranged in supporting base, becomes the lever installation form.Operation balance hydraulic cylinder, lifting body, make counter-jib become level.During hoisting heavy, in advance the activity balancing ballast water horizontal sliding of counter-jib is gone out, be arranged on main hydraulic wireline winch on counter-jib, secondary hydraulic wireline winch, activity balancing counterweight also along with level is released, increased the lifting force arm lengths of counter-jib, greatly increased lifting balancing gravity hard iron, equal crane capacity is increased.Hoisting heavy is suspended in the running block suspension hook, operating main hydraulic wireline winch, secondary hydraulic wireline winch coiling steel cable has lifted by crane the weight lifting, has excavated the lifting gravitational moment produced, counter-jib gravity hard iron institute balance by the supporting base other end, the gravity hard iron that lifting, excavation produce does not all act on it multifunctional crane excavator, roll-over action to multifunctional crane excavator is very little, has improved equal lifting, mining ability and safety.Therefore, in very suitable, special digging operation on-the-spot at Special Hoisting, use, needn't lift little weight weight with the large-tonnage lifting appliance, saved large-tonnage lifting appliance purchase commodity.During due to hoisting heavy, the luffing hydraulic cylinder not exclusively bears up the effect of lift heavy moment, promotes the overhanging change arm of the luffing hydraulic cylinder piston rod elevation angle, only needs lower hydraulic pressure.Hydraulic pump, pressure-control valve, flow control valve, directional control valve, hydraulic cylinder etc. do not need to select the very grade of High Voltage, and hydraulic system driving power, cost of production descend, and then multifunctional crane excavator fuel consume, cost of production are descended.The principal arm of multifunctional crane excavator, auxiliary are that folding hinge connects, and therefore, have main hoisting hook, two kinds of forms of secondary suspension hook, can adapt to multiple lifting operating mode.Can secondary little suspension hook, the foldable suspension arm form of hanging lifts by crane little weight object; With main hoisting hook, cantilever crane form lifting medium wt object; At the special construction scene, when best lifting position can not be put in the position of multifunctional crane excavator, principal arm, auxiliary can the liftings of folded boom arm form.Due to the force way change of hoisting heavy, hoisting heavy only produces moment of flexure to principal arm, does not lift by crane moment balancing gravity moment problem, and its crane capacity increases greatly.Scraper bowl and principal arm, auxiliary compounding practice that the auxiliary front end is installed complete data mining duty.Multifunctional crane excavator had not only had hoisting function, but also had had the data mining duty multi-purpose machine, had improved capacity utilization, had saved construction equipment and had bought fund; Simultaneously, shorten construction non-cutting time, reduced fuel consume, improved engineering construction speed.

The accompanying drawing explanation

Below in conjunction with accompanying drawing, the employing embodiments of the invention are specifically described, wherein:

Fig. 1 is the front view that adopts multifunctional crane excavator of the present invention;

Fig. 2 adopts multifunctional crane excavator of the present invention to lift by crane the view of little weight weight;

Fig. 3 is the view that adopts multifunctional crane excavator lifting medium wt weight of the present invention;

Fig. 4 adopts multifunctional crane excavator of the present invention to lift by crane the view of large weight weight;

Fig. 5 is the view that adopts multifunctional crane excavator of the present invention to excavate;

In Fig. 1, label 1 is auxiliary, the 2nd, main travelling arm, the 3rd, secondary travelling arm, the 4th, bucket, the 5th, principal arm, the 6th, luffing hydraulic cylinder, the 7th, V-arrangement arm, the 8th, supporting base, the 9th, balance hydraulic cylinder, the 10th, counter-jib, the 11st, hydraulic wireline winch, the 12nd, activity balancing counterweight.

The specific embodiment

As shown in Figure 1, multifunctional crane excavator is to take the crawler-mounted excavator chassis as body, and principal arm, auxiliary, counter-jib, supporting base, luffing hydraulic cylinder, balance hydraulic cylinder, main hydraulic wireline winch, secondary hydraulic wireline winch, activity balancing counterweight composition are installed.

As shown in Figure 1, principal arm is comprised of head pulley, principal arm body, V-arrangement arm, main travelling arm, main travelling arm hydraulic cylinder, principal arm hydraulic cylinder, luffing hydraulic cylinder, reinforcement gusset.

The principal arm body adopts the square-section section steel manufacture, the pan that middle part processing is connected with the luffing hydraulic cylinder piston rod.The infall of " V " shape arm of square-section section steel manufacture and the end of principal arm body are welded to connect, this end processing and the hinged pan of main travelling arm hydraulic cylinder tail end of principal arm body.Two parallel long sides on huge tee section of " V " shape arm are processed with respectively: with the hinged installing hole of jacking hydraulic cylinder tail end, the installing hole of hinge axis is installed in middle part processing, the long gathering sill of two sides processing slip of rear end.V-arrangement arm hinge axis is comprised of axle and junction plate, and axle adopts No. 45 steel processing, one section short keyway of an end processing.Junction plate adopts No. 20 steel plates to be processed into disc, disk endoporus processing keyway, the hole that the circumference processing of disk is installed.Axle connects with key, is pressed into the endoporus of junction plate, and hinge axis connects and fixes in week respectively on " V " shape arm with the bolt of interference.Main travelling arm is by the square-section section steel manufacture, and two parallel long sides of square-section are processed with respectively: front end is processed with the pan be connected with rear end in auxiliary, the head pulley installing hole, and rear end is processed with the pan be connected with main travelling arm hydraulic cylinder piston rod head end.Main travelling arm rear end and main travelling arm hydraulic cylinder piston rod head end chain connection, the main travelling arm hydraulic cylinder principal arm body of packing into, main travelling arm hydraulic cylinder tail end and principal arm body rear end chain connection, hinge axis is fixed with gland and bolt.

As shown in Figure 1, auxiliary is comprised of bucket, auxiliary pulley, auxiliary body, secondary travelling arm, secondary travelling arm hydraulic cylinder, auxiliary hydraulic cylinder, reinforcement gusset.

The auxiliary body adopts the square-section section steel manufacture, middle part processing and the hinged pan of secondary travelling arm hydraulic cylinder tail end, and postmedian processing and the hinged hinge seat of principal arm body, the pulley hinge seat is installed at rear portion.The auxiliary body adopts the square-section section steel manufacture, the pan that front end processing is connected with auxiliary pulley axle, bucket pivot hinge, middle part processing and the hinged pan of secondary travelling arm hydraulic piston rod end.

As shown in Figure 1, counter-jib is comprised of hinge seat, counter-jib gathering sill, displacement hydraulic cylinder, balance hydraulic cylinder, counter-jib body, activity balancing counterweight, lifting body.

The counter-jib gathering sill adopts the section steel manufacture of square-section, at two sides, rear end welded and installed hinge axle bed.The displacement hydraulic cylinder is installed in the counter-jib gathering sill, and the tail end of displacement hydraulic cylinder and an end of counter-jib gathering sill are connected with bearing pin hinge vessel used to hold grain at the imperial sacrifice, with gland, pin.The counter-jib body adopts the section steel manufacture of square-section, at one end two sides processing joint pin installing hole.The activity balancing counterweight adopts cast iron to be made into the rectangular shape with arc, and with the cuboid lower end processing pan of arc, the activity balancing counterweight is connected with counter-jib with bolt.The counter-jib body inserts in the counter-jib gathering sill, and the piston rod head end of displacement hydraulic cylinder is connected by pin hinge with an end of counter-jib, with gland, pins.The counter-jib side is installed vertical steel plate and is stretched out in the counter-jib gathering sill, and hydraulic wireline winch is installed.Lifting body is comprised of jacking hydraulic cylinder, raising plate, and raising plate adopts steel plate to make, and cross sectional shape is "T"-shaped, two ends processing pan.

Main travelling arm hydraulic cylinder, principal arm hydraulic cylinder, secondary travelling arm hydraulic cylinder, auxiliary hydraulic cylinder, displacement hydraulic cylinder, balance hydraulic cylinder, hydraulic wireline winch, multiple directional control valve are chosen the Hydraulic Elements that meet national standard.

As shown in Figure 1, installation bearing seat on the revolving dial on crawler-mounted excavator chassis.Principal arm body rear end and counter-jib front end chain connection form folding hanging-arm, and the hinge axis that in folding hanging-arm, install rear end is placed in the pan seat on supporting base and becomes the lever mounting means.The piston rod of luffing hydraulic cylinder and principal arm body rear end pan chain connection, the hinge seat hinge of installing on the tail end of luffing hydraulic cylinder and revolving dial is by connecing.Auxiliary postmedian and main travelling arm front end chain connection, principal arm hydraulic cylinder tail end is arranged in the hinge seat on the principal arm body, head sheave hinge seat chain connection after principal arm hydraulic cylinder piston rod head end and auxiliary.Secondary travelling arm front end is installed fixed pulley, scraper bowl, two linkages, and auxiliary hydraulic cylinder tail end is arranged in the hinge seat on the auxiliary body, auxiliary hydraulic cylinder piston rod head end and two linkages, scraper bowl chain connection.The hinge seat at counter-jib middle part is connected with an end of raising plate, the hinge axis chain connection in the long gathering sill of the other end of raising plate and principal arm rear end.Jacking hydraulic cylinder tail end is arranged in the middle rear end of principal arm body, and the hinge axis in long gathering sill is installed in the hinge seat of jacking hydraulic cylinder piston stalk, and the activity balancing counterweight is connected with bolt with counter-jib, and balance hydraulic cylinder connects principal arm body rear end and counter-jib.Main hydraulic wireline winch, secondary hydraulic wireline winch are arranged on counter-jib, and an end of main hydraulic wireline winch cable wire, around guiding fixed pulley, the front end fixed pulley group at principal arm body middle part, connects running block main hoisting hook.One end of secondary hydraulic wireline winch cable wire, around guiding fixed pulley, the secondary stern body rear end fixed pulley at principal arm body middle part, connects the secondary suspension hook of front end running block.Luffing hydraulic cylinder, main hydraulic wireline winch connect respectively corresponding hydraulic control circuit, and secondary hydraulic wireline winch, displacement hydraulic cylinder, balance hydraulic cylinder, jacking hydraulic cylinder connect respectively newly-increased separately hydraulic control circuit.

Crawler-mounted excavator has possessed hydraulic system, and the multifunctional crane excavator hydraulic system is utilized former machine hydraulic system, increases commutation loop, the locking loop of displacement hydraulic cylinder, balance hydraulic cylinder, hydraulic wireline winch, hydraulic motor, is connected in parallel on former hydraulic circuit and forms.Hydraulic control system is described in " engineering machinery hydraulic and hydraulic power ", " mechanical design handbook volume two " literary composition, in selected commutation loop, locking loop, the loop of floating, and after the control element such as overflow valve, multiple directional control valve, electromagnetic valve, the connection of its hydraulic control component in system, can connect by the using method of element regulation, its concrete grammar, the professional and technical personnel is quite familiar to this, repeat no more, only multifunctional crane excavator is explained.

When multifunctional crane excavator carries out operation at the Special Hoisting scene, operation luffing hydraulic cylinder raising principal arm, operation balance hydraulic cylinder, jacking hydraulic cylinder, make counter-jib remain on level.Operation counter-jib displacement hydraulic cylinder, counter-jib stretches out the length that increases the lifting balance arm of force from level in the counter-jib gathering sill, the hydraulic wireline winch be arranged on counter-jib is also caught up with the length of hanging the balance arm of force along with moving horizontally to increase, and has greatly increased the lifting trimming moment.The hoisting heavy of folding hanging-arm application lever balance theory, the lifting gravitational moment of hoisting heavy acts on an end of folding hanging-arm, the balancing gravity hard iron of counter-jib acts on the other end of folding hanging-arm, position by mobile activity balancing counterweight, make the folding hanging-arm state that substantially tends to balance, lifting, excavate the gravitational moment produced the multifunctional crane excavator body is not produced to the countertorque of inclining.Under the prerequisite that guarantees the lifting safety, equal lifting, mining ability are greatly increased.The luffing hydraulic cylinder operates and is controlled folding hanging-arm, when the heavy weight weight of lifting, only supplements part and lifts by crane moment.Therefore, very suitable, the special digging operation huge use on-the-spot at Special Hoisting of multifunctional crane excavator.

Multifunctional crane excavator has following youngster to plant operation function and operational motion:

As shown in Figure 2, lift by crane little weight weight, weight hangs on secondary suspension hook, operates secondary hydraulic wireline winch hoisting heavy.Operating multifunction crane excavator revolving dial rotation after hoisting heavy, hoisting heavy can be done 360 degree rotations.

As shown in Figure 3, lifting medium wt weight, weight hangs on the main hoisting hook, operates main hydraulic wireline winch hoisting heavy.Operating multifunction crane excavator revolving dial rotation after hoisting heavy, hoisting heavy can be done 360 degree rotations.

As shown in Figure 4, lift by crane large weight weight, operating multifunction crane excavator revolving dial rotates to the lifting position, operates secondary travelling arm hydraulic cylinder, makes the protruding support of secondary travelling arm and ground, as a fulcrum.The principal arm of multifunctional crane excavator and auxiliary become the folded boom arm form.Weight hangs on the main hoisting hook, operates main hydraulic wireline winch hoisting heavy.Force way when folded boom arm lifting form has changed principal arm, auxiliary hoisting heavy, hoisting heavy only produces moment of flexure to principal arm, auxiliary, does not lift by crane trimming moment balancing lifting gravity torque problem, and the equal crane capacity of multifunctional crane excavator is increased greatly.

As shown in Figure 5, secondary suspension hook is recovered on auxiliary, and the main hoisting uncinate gyrus is received on principal arm.Operation counter-jib displacement hydraulic cylinder, counter-jib stretches out from level in the counter-jib gathering sill length that increases the balance arm of force, is arranged on hydraulic wireline winch on counter-jib also along with moving horizontally the length that increases the balance arm of force, has greatly increased the excavation trimming moment.Operation scraper bowl hydraulic cylinder, the auxiliary hydraulic cylinder, the principal arm hydraulic cylinder is excavated.

Above-described is only to adopt the principle of the invention, will only have the engineering machinery of single hoisting function, data mining duty, changes system into and both has hoisting function, has again the optimization embodiment of the multifunctional crane excavator of data mining duty.It should be pointed out that for a person skilled in the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, so that develop other product, also should be considered as belonging to guarantor of the present invention and expand scope.

Claims (6)

1. a multifunctional crane excavator, described multifunctional crane excavator comprises body, auxiliary, principal arm, the scraper bowl of rubber-tyred, crawler-mounted excavator, it is characterized in that also having counter-jib, supporting base, balance hydraulic cylinder, main hydraulic wireline winch, secondary hydraulic wireline winch, activity balancing counterweight, concrete structure is: installation bearing seat on revolving dial, principal arm body rear end and counter-jib front end chain connection form folding hanging-arm, the hinge axis that in folding hanging-arm, install rear end is placed in the pan seat on supporting base and becomes the lever mounting means, the piston rod of luffing hydraulic cylinder and principal arm body rear end pan chain connection, the hinge seat chain connection of installing on the tail end of luffing hydraulic cylinder and revolving dial, auxiliary postmedian and main travelling arm front end chain connection, principal arm hydraulic cylinder tail end is arranged in the hinge seat on the principal arm body, head sheave hinge seat chain connection after principal arm hydraulic cylinder piston rod head end and auxiliary, secondary travelling arm front end is installed fixed pulley, scraper bowl, two linkages, auxiliary hydraulic cylinder tail end is arranged in the hinge seat on the auxiliary body, auxiliary hydraulic cylinder piston rod head end and two linkages, the scraper bowl chain connection, the hinge seat at counter-jib middle part is connected with an end of raising plate, hinge axis chain connection in the long gathering sill of the other end of raising plate and principal arm rear end, jacking hydraulic cylinder tail end is arranged in the middle rear end of principal arm body, hinge axis in long gathering sill is installed in the hinge seat of jacking hydraulic cylinder piston rod, the activity balancing counterweight is connected with bolt with counter-jib, the two ends of balance hydraulic cylinder connect respectively principal arm body rear end and counter-jib, main hydraulic wireline winch, secondary hydraulic wireline winch is arranged on counter-jib, one end of main hydraulic wireline winch cable wire is around the guiding fixed pulley at principal arm body middle part, front end fixed pulley group, connect running block main hoisting hook, one end of secondary hydraulic wireline winch cable wire is around the guiding fixed pulley at principal arm body middle part, auxiliary body rear end fixed pulley, connect the secondary suspension hook of front end running block, the luffing hydraulic cylinder, main hydraulic wireline winch connects respectively corresponding hydraulic control circuit, secondary hydraulic wireline winch, the displacement hydraulic cylinder, balance hydraulic cylinder, the jacking hydraulic cylinder connects respectively newly-increased separately hydraulic control circuit.
2. multifunctional crane excavator as claimed in claim 1, is characterized in that principal arm is comprised of head pulley, principal arm body, V-arrangement arm, main travelling arm, main travelling arm hydraulic cylinder, principal arm hydraulic cylinder, luffing hydraulic cylinder, reinforcement gusset, the principal arm body adopts the square-section section steel manufacture, the pan that middle part processing is connected with the luffing hydraulic cylinder piston rod, the infall of " V " shape arm of square-section section steel manufacture and an end of principal arm body are welded to connect, this end processing and the hinged pan of main travelling arm hydraulic cylinder tail end of principal arm body, two parallel long sides on the square-section of " V " shape arm are processed with respectively: with the hinged installing hole of jacking hydraulic cylinder tail end, the installing hole of hinge axis is installed in middle part processing, the long gathering sill of two sides processing slip of rear end, V-arrangement arm hinge axis is comprised of axle and junction plate, axle adopts No. 45 steel processing, one section short keyway of one end processing, junction plate adopts No. 20 steel plates to be processed into disc, disk endoporus processing keyway, the hole that the circumference processing of disk is installed, axle connects with key, be pressed into the endoporus of junction plate, hinge axis is separately fixed on " V " shape arm with the bolt connection of interference, main travelling arm is by the square-section section steel manufacture, two parallel long sides of square-section are processed with respectively: front end is processed with the pan be connected with rear end in auxiliary, the head pulley installing hole, rear end is processed with the pan be connected with main travelling arm hydraulic cylinder piston rod head end, main travelling arm rear end and main travelling arm hydraulic cylinder piston rod head end chain connection, the main travelling arm hydraulic cylinder principal arm body of packing into, main travelling arm hydraulic cylinder tail end and principal arm body rear end chain connection, hinge axis is fixed with gland and bolt.
3. multifunctional crane excavator as claimed in claim 1, is characterized in that auxiliary is comprised of bucket, auxiliary pulley, auxiliary body, secondary travelling arm, secondary travelling arm hydraulic cylinder, auxiliary hydraulic cylinder, reinforcement gusset; The auxiliary body adopts the square-section section steel manufacture, middle part processing and the hinged pan of secondary travelling arm hydraulic cylinder tail end, postmedian processing and the hinged hinge seat of principal arm body, the pulley hinge seat is installed at rear portion, secondary travelling arm body adopts the square-section section steel manufacture, the pan that front end processing is connected with auxiliary pulley axle, scraper bowl pivot hinge, middle part processing and the hinged pan of secondary travelling arm hydraulic piston rod end.
4. multifunctional crane excavator as claimed in claim 1, is characterized in that counter-jib is comprised of hinge seat, counter-jib gathering sill, displacement hydraulic cylinder, balance hydraulic cylinder, counter-jib body, activity balancing counterweight, lifting body, the counter-jib gathering sill adopts the section steel manufacture of square-section, at two sides, rear end welded and installed hinge axle bed, the displacement hydraulic cylinder is installed in the counter-jib gathering sill, the tail end of displacement hydraulic cylinder and an end of counter-jib gathering sill are connected by pin hinge, with gland, pin, counter-jib adopts the section steel manufacture of square-section, at one end two sides processing joint pin installing hole, the activity balancing counterweight adopts cast iron to be made into the rectangular shape with arc, cuboid lower end processing pan with arc, the activity balancing counterweight is connected with the counter-jib body with bolt, the counter-jib body inserts in the counter-jib gathering sill, the piston rod head end of displacement hydraulic cylinder is connected by pin hinge with an end of counter-jib, with gland, pin, the counter-jib side is installed vertical steel plate and is stretched out in the counter-jib gathering sill, the major-minor hydraulic wireline winch is installed, lifting body is by the jacking hydraulic cylinder, raising plate forms, raising plate adopts steel plate to make, cross sectional shape is "T"-shaped, two ends processing pan.
5. multifunctional crane excavator as claimed in claim 1, it is characterized in that the arm seat is comprised of pedestal, pan seat, pedestal adopts steel plate to be made into triangle, gusset is strengthened in the two sides welding, the circular arc that the pan seat is installed is processed on top, bottom and installing plate welding, processing mounting holes on installing plate, the pan seat adopts thick walled steel tube processing, separately be welded and fixed plate at split, use bolton, the sliding bearing of the brass processing pan seat of packing into, the pan seat is welded on pedestal top, and the welding stiffener is connected with pedestal below the pan seat.
6. multifunctional crane excavator as claimed in claim 1, is characterized in that the activity balancing counterweight adopts cast iron to be made into the rectangular shape with arc, with the processing of cuboid upper end pan, arcwall face and the bottom thread mill drilling of arc.
CN2009100586303A 2009-03-18 2009-03-18 Multifunctional crane excavator CN101839003B (en)

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