CN202936116U - Folding type truck crane - Google Patents

Folding type truck crane Download PDF

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Publication number
CN202936116U
CN202936116U CN 201220629438 CN201220629438U CN202936116U CN 202936116 U CN202936116 U CN 202936116U CN 201220629438 CN201220629438 CN 201220629438 CN 201220629438 U CN201220629438 U CN 201220629438U CN 202936116 U CN202936116 U CN 202936116U
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CN
China
Prior art keywords
hinge
oil cylinder
amplitude oil
jib
inner arm
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Expired - Lifetime
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CN 201220629438
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Chinese (zh)
Inventor
程磊
陈志伟
李文峰
周波
孙文涛
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Xuzhou XCMG Truck Mounted Crane Co Ltd
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Xuzhou XCMG Truck Mounted Crane Co Ltd
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Abstract

The utility model relates to a folding type truck crane which comprises a chassis, an integrated auxiliary frame, a rotary table, an arm rest, derricking cylinders and telescopic cylinders, wherein the frame is mounted on the chassis, the rotary stable is mounted on the frame, and the arm rest is connected with the telescopic cylinders; the folding type truck crane further comprises an inner arm with one end hinged with the rotary table at a first hinge point and the other end hinged with the arm rest at a second hinge point; and the derricking cylinders comprise a first derricking cylinder and a second derricking cylinder, wherein the first derricking cylinder is hinged with the rotary table and the inner arm at the same time, the second derricking cylinder is hinged with the inner arm and the arm rest, and the inner arm can rotate around the first hinge point under the action of the first derricking cylinder, and the arm rest can rotate around the second hinge point under the action of the second derricking cylinder. The folding type truck crane can be operated in a space with a limited height, has high hoisting capacity, and solves the technical problem that a conventional truck crane can not be operated due to the limited height of a working space.

Description

A kind of foldable truck crane
Technical field
The utility model relates to a kind of hoisting crane, relates in particular to a kind of foldable truck crane.
Background technology
At present, the hoisting crane that has a better manoevreability has two kinds of car hosit and lorry-mounted cranes.Lorry-mounted crane has the function of hauling goods, therefore load-carrying ability is greatly limited.The orthodox car hoisting crane is straight arm type; has very big advantage on sling height; but the working space that requires is higher; in lifting; need to guarantee that the maximum height of jib elongation will be lower than the height of the working space that provides; therefore be difficult to adapt to and carry out operation in height-limited space, this usually can be very inconvenient in the application of reality.For example carry out the elevator machinery of transport operation under factory building resettlement, tunneling operation and high tension cord, usually need to have crossing ability, manoevreability and stronger space adaptability and corresponding load-carrying ability preferably.
Shown in Fig. 1 is the structural representation of car hosit traditional in prior art.As shown in Figure 1, traditional car hosit comprises jib 1 ', amplitude oil cylinder 2 ' and turntable 3 ', and wherein, turntable 3 ' is arranged on the mounting base of chassis special.Jib 1 ' is hinged with turntable 3 ', and hinge-point is A ' point.Amplitude oil cylinder 2 ' has upper hinge C ' and lower hinge B ', and amplitude oil cylinder 2 ' is hinged with jib 1 ' at upper hinge C ', and amplitude oil cylinder 2 ' is hinged with turntable 3 ' at lower hinge B '.The orthodox car crane telescopic adopts the single-cylinder bolt technology, and the method by amplitude oil cylinder 2 ' rotating band swing arm frame 1 ' lifting realizes luffing.
Be specially: the large chamber oil-feed of amplitude oil cylinder 2 ' during work, jib 1 ' is steeved under amplitude oil cylinder 2 ' drives, and the luffing that namely makes progress just can carry out the operation of little work range large-tonnage lift heavy.As can be seen from Figure 1, the height of the desired working space of car hosit of this structure is larger, is only applicable to spacious outdoor work.And in the situation that the working space height is restricted, if operation is careless when lifting amplitude-change, the jib 1 ' in operation is easy to collide factory building, tunnel top or high tension cord, causes serious safety misadventure.Therefore, the hoisting crane of operation need to be limited in the operation height of jib 1 ' in certain scope in the space of limitation in height is arranged, thereby the installation dimension that is arranged on the hoisting crane on the chassis needs to reduce as much as possible or change original version under the prerequisite of meeting spatial and construction requirement.But cross and reduce greatly installation dimension and mean that lifting performance reduces, and is difficult to satisfy the carrying requirement of large-tonnage goods.
In sum: traditional car hosit is not suitable with in factory building, tunnel top or high tension cord equal altitudes extremely limited place and uses.
The utility model content
The purpose of this utility model is to propose a kind of foldable truck crane, it can operation in the space of limitation in height is arranged, and have higher load-carrying ability, solved the technical matters that can't work in the height-limited system of working space due to the orthodox car hoisting crane.
For achieving the above object, the utility model provides following technical scheme: a kind of foldable truck crane comprises chassis 1, integral type subframe 2, turntable 3, jib 4, amplitude oil cylinder and telescopic oil cylinder 5; Wherein: described vehicle frame 2 is arranged on described chassis 1, and described turntable 3 is installed on described vehicle frame 2, and described jib 4 connects described telescopic oil cylinder 5; Also comprise inner arm 6, an end of described inner arm 6 is hinged at the first hinge A and described turntable 3, and the other end is hinged at the second hinge B and described jib 4; Described amplitude oil cylinder comprises the first amplitude oil cylinder 7 and the second amplitude oil cylinder 8, and wherein: described the first amplitude oil cylinder 7 is simultaneously hinged with described turntable 3 and described inner arm 6; Described the second amplitude oil cylinder 8 is simultaneously hinged with described inner arm 6 and described jib 4; Described inner arm 6 can rotate around described the first hinge A under described the first amplitude oil cylinder 7 effects, and described jib 4 can rotate around described the second hinge B under described the second amplitude oil cylinder 8 effects.
Further, the axis of described inner arm 6 is positioned at above horizontal surface or horizontal surface, and is adjustable in the scopes of 0 degree-80 degree with the angle of horizontal surface.
Further, the axis of described jib 4 is positioned at above or below horizontal surface or horizontal surface, and is adjustable in the scopes of 80 degree-180 degree with the angle of the axis of described inner arm 6.
Further, described the first amplitude oil cylinder 7 has hinge C and first time hinge D on first, and described the first amplitude oil cylinder 7 is hinged at described first time hinge D and described turntable 3, and hinge C and described inner arm 6 are hinged on described first; Described the second amplitude oil cylinder 8 has hinge E and second time hinge F on second; Described the second amplitude oil cylinder 8 is hinged at described second time hinge F and described inner arm 6, and hinge E and described jib 4 are hinged on described second.
Further, also comprise adjustable weight 9, described adjustable weight 9 comprises erecting frame 91, counter weight construction 92, counterweight cross cylinder 93 and counterweight assembly 95; Wherein: described erecting frame 91 is fixedly mounted on described turntable 3, and described erecting frame 91 is by described counterweight cross cylinder 93 and described counter weight construction 92 sliding block joints; Described counter weight construction 92 connects described counterweight assembly 95; Horizontal extension action by described counterweight cross cylinder 93 can be regulated distance between the center of gyration line of the center of described counterweight assembly 95 and described hoisting crane to stablize the center of gravity of described hoisting crane.
Further, the cylinder barrel of described counterweight cross cylinder 93 is fixedly connected on described erecting frame 91, the described counter weight construction 92 of bar head captive joint.
Further, the internal face of described erecting frame 91 has the rail groove that can slide, and can pull out or advance in the interior slip of described erecting frame 91 for the slide construction on described counter weight construction 92.
Further, also comprise counterweight Vertical Cylinders 94, its cylinder barrel is fixedly connected on the external part of described counter weight construction 92, between its bar head and described counterweight assembly 95 for removably connecting.
Further, the vertical distance range between described the first hinge A and described first time hinge D is 900 ~ 1100mm; Horizontal throw scope between described the first hinge A and described first time hinge D is 800 ~ 1000mm; Vertical distance range between described the first hinge A and described second time hinge F is 300 ~ 400mm; Horizontal throw scope between described the first hinge A and described second time hinge F is 200 ~ 400mm; Vertical distance range on described second time hinge F and described first between hinge C is 60 ~ 100mm; Horizontal throw scope on described second time hinge F and described first between hinge C is 1800 ~ 2000mm; Vertical distance range on described the second hinge B and described first between hinge C is 10 ~ 100mm; Horizontal throw scope on described the second hinge B and described first between hinge C is 600 ~ 800mm; Vertical distance range on described the second hinge B and described second between hinge E is 700 ~ 900mm; Horizontal throw scope on described the second hinge B and described second between hinge E is 300 ~ 500mm.
Further, described chassis 1 is universal chassis.
Based on the arbitrary technical scheme in technique scheme, the utility model embodiment can produce following technique effect at least:
due to the utility model in the prior art on the basis of the structure of traditional car hosit, an inner arm and an amplitude oil cylinder have been set up, the two ends of inner arm are hinged with turntable and jib respectively, one of them amplitude oil cylinder connects turntable and is connected another amplitude oil cylinder with inner arm and connects inner arm and jib, this structure is similar to the doublejointed of arm, control separately a wherein amplitude oil cylinder, the axis of inner arm is positioned at above horizontal surface or horizontal surface, adjustable in the scopes of 0 degree-80 degree with the angle of horizontal surface, control separately another amplitude oil cylinder, jib can be rotated in a clockwise direction, and can be positioned at above or below horizontal surface or horizontal surface, and the angle of jib and inner arm is spent in the 180 degree scopes adjustable 80, control simultaneously two amplitude oil cylinder actions, can make jib with level or under two kinds of different operating attitudes of lying prone come lifting cargo, therefore the utility model can be by promoting the height of inner arm, to reduce the height of jib, realize with prior art in traditional car hosit same distance lifting (meaning of " lifting " is lifting cargo), thereby the height of the straight arm type car hosit that the aspect ratio that has guaranteed car hosit is traditional is low, namely relatively lower to the requirement of working space, solved the problem that to work in the height-limited system of working space due to traditional straight arm type car hosit, possesses simultaneously higher load-carrying ability.
In addition, at least also there is following advantage in optimal technical scheme of the present utility model:
1, due to jib of the present utility model in hoisting heavy, towards a direction lateral deviation, and the car hosit car load is generally a stationary value towards the moment of the direction generation lateral deviation of hoisting heavy, and the utility model is by being the balance weight mechanism improvement adjustable balance weight mechanism (hereinafter all claiming " adjustable weight "), this adjustable weight can be by the distance between the center of gyration line that changes its center and hoisting crane, stablize the center of gravity of complete machine, therefore the utility model can be controlled flexibly according to the practical working situation of car hosit the center of gravity of car load, to strengthen the stability of car hosit mode of operation.
2, due to of the present utility model in the situation that moment is stable, distance between center that can be by increasing adjustable weight and the center of gyration line of hoisting crane, effectively reduce size and the weight of balance weight mechanism, bigger than normal with gravity with the balance weight mechanism size of car hosit traditional in prior art and need to be equipped with transport trolley and compare, the size of adjustable weight of the present utility model and weight less separately.
3, because the utility model also is provided with the counterweight Vertical Cylinders, between itself and described counterweight assembly for removably connecting, when the utility model only has mode of operation, just utilize the level of extendable weight cross cylinder to stretch out motion, the bar head of counterweight Vertical Cylinders is reached directly over the counterweight assembly, and then utilize the counterweight Vertical Cylinders that the counterweight assembly is hung up, the counterweight assembly is played a role, the counterweight assembly can be disassembled when the utility model is in off working state, thereby realize the self-loading and self-unloading functions of counterweight assembly.
The chassis of 4, using due to utility model is universal chassis, must adopt chassis special to compare with existing car hosit, and commonality of the present utility model is stronger, and Applicable scope is wider.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the side schematic view of car hosit traditional in prior art;
Fig. 2 is the perspective view of an embodiment of foldable truck crane provided by the utility model;
Fig. 3 is the side schematic view of Fig. 2;
Fig. 4 is part-structure schematic diagram in Fig. 2;
Fig. 5 is the part-structure schematic diagram of jib and telescopic oil cylinder in Fig. 2;
Fig. 6 is the operation contrast schematic diagram of orthodox car hoisting crane and foldable truck crane provided by the utility model;
Fig. 7 is the first structural representation of adjustable weight in Fig. 2;
Fig. 8 is the second structural representation of adjustable weight in Fig. 2;
Fig. 9 is the 3rd structural representation of adjustable weight in Fig. 2;
Figure 10 is the 4th structural representation of adjustable weight in Fig. 2;
Figure 11 is the schematic side view of adjustable weight in Fig. 2;
Figure 12 is the structural representation of attaching parts in adjustable weight;
Figure 13-24 are the different operating view of foldable truck crane provided by the utility model;
Mark in figure: 1, chassis; 2, integral type subframe; 3, turntable; 4, jib; 5, telescopic oil cylinder; 6, inner arm; 7, the first amplitude oil cylinder; 8, the second amplitude oil cylinder; 9, adjustable weight; 91, erecting frame; 92, counter weight construction; 93, counterweight cross cylinder; 94, counterweight Vertical Cylinders; 95, counterweight assembly; 96, attaching parts; 961, pipe; 962, transverse slat; 963, gap; 10, suspension hook; 11, leg system; 1 ', jib; 2 ', amplitude oil cylinder; 3 ', turntable; A, the first hinge; B, the second hinge; Hinge on C, first; D, first time hinge; Hinge on E, second; F, second time hinge.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 2-5 are the structural representation of an embodiment of foldable truck crane provided by the utility model.As shown in Fig. 2-5, foldable truck crane provided by the utility model comprises chassis 1, integral type subframe 2, turntable 3, jib 4, amplitude oil cylinder, telescopic oil cylinder 5, suspension hook 10 and leg system 11.Wherein:
What adopted on chassis 1 is universal chassis, must adopt chassis special to compare with car hosit traditional in prior art, and commonality of the present utility model is stronger, and Applicable scope is wider.Integrated subframe 2 is fixedly mounted on the crossbeam on chassis 1, and integrated subframe 2 is connected with turntable 5 by pivoting support.Leg system 11 is arranged on the inside of integrated subframe 2.
The utility model is mainly used in three joints or four joints or five joint telescopic arm support structures, jib 4 in the present embodiment comprises five joint telescopic booms (as Fig. 4, shown in Figure 5), specifically comprise outermost first segment telescopic boom G1, be arranged with successively some joint telescopic booms in it, according to order from outside to inside, be followed successively by second section telescopic boom G2, the 3rd joint telescopic boom G3, the 4th joint telescopic boom G4 and the 5th joint telescopic boom G5.The bar head of first telescopic oil cylinder 5 of telescopic boom G1 captive joint, the cylinder barrel of first telescopic oil cylinder 5 is captiveed joint with telescopic boom G2, and by first telescopic oil cylinder 5, telescopic boom G2 can carry out expanding-contracting action with respect to telescopic boom G1.In like manner, the cylinder barrel of second telescopic oil cylinder 5 of telescopic boom G2 captive joint, the bar head of second telescopic oil cylinder 5 is captiveed joint with telescopic boom G3, and telescopic boom G3 can carry out expanding-contracting action with respect to telescopic boom G2.The cylinder barrel of the 3rd telescopic oil cylinder 5 of telescopic boom G3 captive joint, the bar head of the 3rd telescopic oil cylinder 5 is captiveed joint with telescopic boom G4, and telescopic boom G4 can carry out expanding-contracting action with respect to telescopic boom G3.The cylinder barrel of the 4th telescopic oil cylinder 5 of telescopic boom G4 captive joint, the bar head of the 4th telescopic oil cylinder 5 is captiveed joint with telescopic boom G5, and telescopic boom G5 can carry out expanding-contracting action with respect to telescopic boom G4.Telescopic boom G5 installs suspension hook 10 by attaching parts.
In order to make car hosit provided by the utility model adapt to narrow and small working space fully, the utility model has been set up inner arm 6, and jib 4 is changed into by two amplitude oil cylinder connection drivings (as shown in Figure 2 and Figure 3) by an original amplitude oil cylinder 2 ' (as shown in Figure 1) driving, as follows in detail:
One end of the inner arm 6 in the utility model is connected with turntable 3 by articulation piece at the first hinge A, and the other end is hinged by articulation piece and jib 4 at the second hinge B.
Amplitude oil cylinder in the utility model comprises the first amplitude oil cylinder 7 and the second amplitude oil cylinder 8.Wherein: the first amplitude oil cylinder 7 is connected with inner arm with turntable 3 by articulation piece and is connected, and the second amplitude oil cylinder 8 is connected with jib with inner arm 6 by articulation piece and is connected.
Particularly, as shown in Figure 2, the first amplitude oil cylinder 7 has hinge C and first time hinge D on first.The first amplitude oil cylinder 7 is connected with turntable 3 by articulation piece at first time hinge D, and the first amplitude oil cylinder 7 hinge C on first is connected with inner arm 6 by articulation piece.
The second amplitude oil cylinder 8 has hinge E and second time hinge F on second.The second amplitude oil cylinder 8 is connected with inner arm 6 by articulation piece at second time hinge F, and the second amplitude oil cylinder 8 hinge E on second is connected with jib 4 by articulation piece.
Inner arm 6 can rotate around the first hinge A under the first amplitude oil cylinder 7 effects, and jib 4 can rotate around the second hinge B under the second amplitude oil cylinder 8 effects.
Because the utility model has adopted two amplitude oil cylinder, namely the first amplitude oil cylinder 7 be connected amplitude oil cylinder 8 and connect respectively turntable 3 and inner arm 6, inner arm 6 and jib 4, this structure is similar to the doublejointed of arm, control separately the first amplitude oil cylinder 7, the axis of inner arm 6 is positioned at above horizontal surface, adjustable in the scopes of 0 degree-80 degree with the angle of horizontal surface, the axis of inner arm 6 with the angle of horizontal direction at 45 °--in the scope of 60 °, use is relative frequent.Control separately the second amplitude oil cylinder 8, jib 4 can be around the second hinge B rotation, and its axis can be positioned at above or below horizontal surface, and the angle between jib 4 and inner arm 6 is adjustable to 180 scopes of spending at 80 degree.Control simultaneously the first amplitude oil cylinder 7 and the second amplitude oil cylinder 8, can make jib 4 be in level or under the mode of operation (as shown in Figure 13-24) of lying prone, the utility model has been abandoned the version of traditional single jib, has strengthened the spatial altitude comformability of car hosit in a kind of comparatively simple mode.
as shown in Figure 6, car hosit of the prior art is compared with hoisting crane provided by the utility model, if both wanting lifting is the words of the weight of S from the hoisting crane distance, the height that the jib 1 ' of car hosit of the prior art need to be raised is H1, the height that the jib 4 of hoisting crane provided by the utility model only needs to raise is that H2 gets final product, and as can be seen from Figure 6, H1 is far longer than H2, this shows, when carrying out the lifting of same distance, the utility model can be by promoting the height of inner arm 6, and then the height of reduction jib 4, thereby the height of the straight arm type car hosit that the aspect ratio that guarantees car hosit is traditional is low, foldable truck crane is lower to the requirement of working space than traditional straight arm type car hosit to the requirement of working space, solved the problem that to work in the height-limited system of working space due to traditional straight arm type car hosit, change the version of orthodox car hoisting crane, height when reducing operation, can adapt to highly lower working space.Therefore, in actual applications, the utility model can be more widely used than straight arm type car hosit.
In above-described embodiment, the vertical distance range between the first hinge A and first time hinge D is 900 ~ 1100mm.Horizontal throw scope between the first hinge A and first time hinge D is 800 ~ 1000mm.Vertical distance range between the first hinge A and second time hinge F is 300 ~ 400mm.Horizontal throw scope between the first hinge A and second time hinge F is 200 ~ 400mm.Vertical distance range on second time hinge F and first between hinge C is 60 ~ 100mm.Horizontal throw scope on second time hinge F and first between hinge C is 1800 ~ 2000mm.Vertical distance range on the second hinge B and first between hinge C is 10 ~ 100mm.Horizontal throw scope on the second hinge B and first between hinge C is 600 ~ 800mm.Vertical distance range on the second hinge B and second between hinge E is 700 ~ 900mm.Horizontal throw scope on the second hinge B and second between hinge E is 300 ~ 500mm.
In the various embodiments described above, foldable truck crane that the utility model provides also comprises balance weight mechanism, and the balance weight mechanism in the present embodiment is adjustable weight 9.
As Fig. 7-shown in Figure 10, adjustable weight 9 comprises erecting frame 91, counter weight construction 92, counterweight cross cylinder 93 and counterweight assembly 95.Wherein: erecting frame 91 fixed installation (for example weld, cast, forging or Shooting Technique is one-body molded creates) is on turntable 3.Erecting frame 91 and counter weight construction 92 sliding block joints, particularly, the internal face of erecting frame 91 has the rail groove (not shown) that can slide, can pull out or advance in the interior slip of erecting frame 91 for the slide construction (not shown) on counter weight construction 92.
Erecting frame 91 is by counterweight cross cylinder 93 and counter weight construction 92 sliding block joints, the cylinder barrel captive joint of counterweight cross cylinder 93 (for example bearing pin connects or flange connects) on erecting frame 91, bar head captive joint (for example bearing pin connects or flange connects) counter weight construction 92.Utilize the fore and aft motion of counterweight cross cylinder 93, just can control counter weight construction 92 and carry out horizontal stretching motion along the rail groove that erecting frame 91 provides.Certainly, use other connection mode with the technical scheme that substitutes above-mentioned disclosed other connection mode also within protection domain of the present utility model.
Adjustable weight 9 also comprises counterweight Vertical Cylinders 94, and its cylinder barrel is fixedly connected on the external part of counter weight construction 92, and the bar head is by attaching parts 96(as shown in figure 12) removably connect with counterweight assembly 95.
As shown in figure 12, attaching parts 96 comprises pipe 961, pipe 961 vertically fixing (for example weld, cast, forging or Shooting Technique is one-body molded creates) at counterweight assembly 95 tops.Captive joint on the internal face on pipe 961 tops (for example weld, cast, forging or Shooting Technique is one-body molded creates) has transverse slat 962, and transverse slat 962 is with gap 963.The top side wall of pipe 961 offers T-shaped opening, and this opening is connected with gap 963.
During use, at first, stretch out motion by the level of extendable weight cross cylinder 93, make the bar head of counterweight Vertical Cylinders 94 reach directly over counterweight assembly 95 near; Then, by counterweight Vertical Cylinders 94 vertically stretch out motion, the opening that the bar head of counterweight Vertical Cylinders 94 is moved to pipe 961 is positioned at sustained height; Then, stretch out motion by the level of extendable weight cross cylinder 93, the bar head that makes counterweight Vertical Cylinders 94 enters gap 963 and snaps in wherein from the opening of pipe 961; At last, by the vertical retracting motion of counterweight Vertical Cylinders 94, mention counterweight assembly 95, just counterweight assembly 95 can be hung up.Reverse order by above-mentioned steps also can disassemble counterweight assembly 95.This shows, the utility model can be realized the self-loading and self-unloading functions of counterweight assembly 95.
In hoisting heavy, towards a direction lateral deviation, and the car hosit car load is generally a stationary value towards the moment of the direction generation lateral deviation of hoisting heavy due to jib 4.As can be seen from Figure 11, the moment that the center of gyration line L of 9 pairs of hoisting cranes of adjustable weight produces is: G * L, and wherein: G represents the gravity of counterweight assembly 95, L represents the distance between the center of gyration line L of the center of counterweight assembly 95 and hoisting crane.If require the center of stabilizing cars hoisting crane car load stable, the moment of the center of gyration line L of 9 pairs of hoisting cranes of adjustable weight generation equals the moment that jib 4 produces, and is stationary value.In the situation that moment is identical, increase arm of force L, just can reduce the gravity G of counterweight assembly 95.Therefore, utilize extendable weight cross cylinder 93, arm of force L is increased, the gravity G of counterweight assembly 95 is reduced.
Because the balance weight mechanism gravity of orthodox car hoisting crane in prior art is very large, size is also very large, usually needs to be equipped with special-purpose transport vehicle and consigns.And after having adopted the adjustable weight 9 that the utility model provides, not only can control flexibly according to the practical working situation of car hosit the center of gravity of car load, strengthen the stability of car hosit mode of operation, can also be when the travelling position of car hosit distance between the center of gyration line L of center by increasing counterweight assembly 95 and hoisting crane, effectively reduce size and the weight of adjustable weight 9.
Car hosit provided by the utility model is with hydraulic-driven, by the take-off (not shown), the mechanical energy of driving engine (not shown) is converted into the pressure of liquid, the action of controlling the first amplitude oil cylinder 7, the second amplitude oil cylinder 8, counterweight cross cylinder 93, counterweight Vertical Cylinders 94, telescopic oil cylinder 5 and rotary motor (not shown) by the multiway valve (not shown) realizes the luffing of hoisting crane, flexible and revolution action.
During the utility model work, at first, the inner arm 6 of steeving, by pivoting support rotating table 5, make suspension hook 10 go to the orientation at goods place, stretch out jib 4 according to the operation amplitude, jib is lain prone to desired location for 4 times, goods is suspended on suspension hook 10, the jib 4 that hoists is sling goods and is got final product.This working process is specific as follows:
The working process of the horizontal lifting cargo of car hosit is:
1) as shown in figure 13, by the first amplitude oil cylinder 7 and the second amplitude oil cylinder 8, the axis of inner arm 6 and the axial line control of jib 4 are become parallel with horizontal surface, the angle of the axis of the axis of inner arm 6 and jib 4 and horizontal surface is 0 degree at this moment.
2) as shown in Figure 14-17, by the first amplitude oil cylinder 7 and the second amplitude oil cylinder 8, inner arm 6 and jib 4 progressively to be faced upward simultaneously, the axis of the axis of inner arm 6 and jib 4 and the angle of horizontal surface increase gradually, are controlled in the scope less than 80 degree.
3) drive rotary reducer by rotary motor, reductor drives pivoting support and makes turntable 5 revolutions, and suspension hook 10 is moved to the goods position.
4) as shown in figure 18, according to the goods position, by telescopic oil cylinder 5, make five joint telescopic boom G1-5 of jib 4 stretch out suitable length or not stretch out.
5) as shown in Figure 19-22, by the second amplitude oil cylinder 8, make jib 4 clockwise direction luffings, until the axial line control of jib 4 is become parallel with horizontal surface, drive rotary reducer by rotary motor, reductor drives pivoting support and makes turntable 5 revolutions, and suspension hook 10 is accurately moved to the goods position, completes the horizontal lifting cargo work of car hosit.
The working process of lifting cargo of lying prone under car hosit is:
1) as shown in figure 13, by the first amplitude oil cylinder 7 and the second amplitude oil cylinder 8, the axis of inner arm 6 and the axial line control of jib 4 are become parallel with horizontal surface, the angle of the axis of the axis of inner arm 6 and jib 4 and horizontal surface is 0 degree at this moment.
2) as shown in Figure 14-17, by the first amplitude oil cylinder 7 and the second amplitude oil cylinder 8, inner arm 6 and jib 4 progressively to be faced upward simultaneously, the axis of the axis of inner arm 6 and jib 4 and the angle of horizontal surface increase gradually, are controlled in the scope less than 180 degree.
3) drive rotary reducer by rotary motor, reductor drives pivoting support and makes turntable 5 revolutions, and suspension hook 10 is moved to the goods position.
4) as shown in figure 18, according to the goods position, by telescopic oil cylinder 5, make five joint telescopic boom G1-5 of jib 4 stretch out suitable length or not stretch out.
5) as shown in Figure 19-24, by the second amplitude oil cylinder 8, make jib 4 clockwise direction luffings, until with the axial line control of jib 4 below horizontal surface, and with the angle of horizontal surface be less than 80 degree, drives rotary reducer by rotary motor, reductor drives pivoting support turns round turntable 5, suspension hook 10 is accurately moved to the goods position, complete car hosit under the lifting cargo work of lying prone.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.

Claims (10)

1. a foldable truck crane, comprise chassis (1), integral type subframe (2), turntable (3), jib (4), amplitude oil cylinder and telescopic oil cylinder (5); Wherein: described vehicle frame (2) is arranged on described chassis (1), the upper described turntable (3) of installing of described vehicle frame (2), and described jib (4) connects described telescopic oil cylinder (5); It is characterized in that,
Also comprise inner arm (6), an end of described inner arm (6) is hinged at the first hinge (A) and described turntable (3), and the other end is hinged at the second hinge (B) and described jib (4);
Described amplitude oil cylinder comprises the first amplitude oil cylinder (7) and the second amplitude oil cylinder (8), and wherein: described the first amplitude oil cylinder (7) is simultaneously hinged with described turntable (3) and described inner arm (6); Described the second amplitude oil cylinder (8) is simultaneously hinged with described inner arm (6) and described jib (4);
Described inner arm (6) can rotate around described the first hinge (A) under described the first amplitude oil cylinder (7) effect, and described jib (4) can rotate around described the second hinge (B) under described the second amplitude oil cylinder (8) effect.
2. hoisting crane as claimed in claim 1, is characterized in that,
The axis of described inner arm (6) is positioned at above horizontal surface or horizontal surface, and is adjustable in the scopes of 0 degree-80 degree with the angle of horizontal surface.
3. hoisting crane as claimed in claim 1, is characterized in that,
The axis of described jib (4) is positioned at above or below horizontal surface or horizontal surface, and is adjustable in the scopes of 80 degree-180 degree with the angle of the axis of described inner arm (6).
4. hoisting crane as claimed in claim 1, is characterized in that,
Described the first amplitude oil cylinder (7) has hinge on first (C) and first time hinge (D), described the first amplitude oil cylinder (7) is hinged at described first time hinge (D) and described turntable (3), and hinge on described first (C) is hinged with described inner arm (6);
Described the second amplitude oil cylinder (8) has hinge on second (E) and second time hinge (F); Described the second amplitude oil cylinder (8) is hinged at described second time hinge (F) and described inner arm (6), and hinge on described second (E) is hinged with described jib (4).
5. hoisting crane as described in any one in claim 1-4, is characterized in that,
Also comprise adjustable weight (9), described adjustable weight (9) comprises erecting frame (91), counter weight construction (92), counterweight cross cylinder (93) and counterweight assembly (95); Wherein:
Described erecting frame (91) is fixedly mounted on described turntable (3), and described erecting frame (91) is by described counterweight cross cylinder (93) and described counter weight construction (92) sliding block joint; Described counter weight construction (92) connects described counterweight assembly (95);
Horizontal extension action by described counterweight cross cylinder (93) can be regulated distance between the center of gyration line of the center of described counterweight assembly (95) and described hoisting crane to stablize the center of gravity of described hoisting crane.
6. hoisting crane as claimed in claim 5, is characterized in that,
The cylinder barrel of described counterweight cross cylinder (93) is fixedly connected on described erecting frame (91), the described counter weight construction of bar head captive joint (92).
7. hoisting crane as claimed in claim 5, is characterized in that,
The internal face of described erecting frame (91) has the rail groove that can slide, and slides in described erecting frame (91) and can pull out or advance for the slide construction on described counter weight construction (92).
8. hoisting crane as claimed in claim 5, is characterized in that,
Also comprise counterweight Vertical Cylinders (94), its cylinder barrel is fixedly connected on the external part of described counter weight construction (92), between its bar head and described counterweight assembly (95) for removably connecting.
9. hoisting crane as claimed in claim 1, is characterized in that,
Vertical distance range between described the first hinge (A) and described first time hinge (D) is 900 ~ 1100mm; Horizontal throw scope between described the first hinge (A) and described first time hinge (D) is 800 ~ 1000mm;
Vertical distance range between described the first hinge (A) and described second time hinge (F) is 300 ~ 400mm; Horizontal throw scope between described the first hinge (A) and described second time hinge (F) is 200 ~ 400mm; Vertical distance range on described second time hinge (F) and described first between hinge (C) is 60 ~ 100mm; Horizontal throw scope on described second time hinge (F) and described first between hinge (C) is 1800 ~ 2000mm; Vertical distance range on described the second hinge (B) and described first between hinge (C) is 10 ~ 100mm; Horizontal throw scope on described the second hinge (B) and described first between hinge (C) is 600 ~ 800mm;
Vertical distance range on described the second hinge (B) and described second between hinge (E) is 700 ~ 900mm; Horizontal throw scope on described the second hinge (B) and described second between hinge (E) is 300 ~ 500mm.
10. hoisting crane as claimed in claim 1, is characterized in that,
Described chassis (1) is universal chassis.
CN 201220629438 2012-11-26 2012-11-26 Folding type truck crane Expired - Lifetime CN202936116U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103496639A (en) * 2013-10-17 2014-01-08 长沙中联恒通机械有限公司 Overall loading and unloading vehicle based on slidable vehicle -mounted crane
CN103832934A (en) * 2012-11-26 2014-06-04 徐州徐工随车起重机有限公司 Foldable car crane
CN104842968A (en) * 2015-04-17 2015-08-19 徐州徐工随车起重机有限公司 Chassis leveling system for mixture arm high-altitude operation vehicle
CN106167232A (en) * 2016-08-31 2016-11-30 刘长富 A kind of utilization is got off the truck crane that engine cooling water heats for lifting control cabinl pulpit
CN108285108A (en) * 2017-12-08 2018-07-17 安徽通润汽车零部件有限公司 Elevator Antiskid chassis
CN108502734A (en) * 2018-04-25 2018-09-07 宁波城市职业技术学院 Crane with gravity center adjuster and its method of adjustment
CN109513142A (en) * 2018-11-20 2019-03-26 三汽车制造有限公司 Boom device and special vehicle
CN110040218A (en) * 2019-04-30 2019-07-23 上海海事大学 Boom type body section weld seam detection vehicle
CN110963422A (en) * 2019-12-18 2020-04-07 中铁建设集团市政工程有限公司 Large-scale hub station building complete equipment
CN111606222A (en) * 2020-05-19 2020-09-01 河南工业职业技术学院 Combined telescopic arm system and engineering machinery

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103832934A (en) * 2012-11-26 2014-06-04 徐州徐工随车起重机有限公司 Foldable car crane
CN103496639A (en) * 2013-10-17 2014-01-08 长沙中联恒通机械有限公司 Overall loading and unloading vehicle based on slidable vehicle -mounted crane
CN103496639B (en) * 2013-10-17 2016-06-29 长沙中联恒通机械有限公司 A kind of self-contained complete-loading-unloading vehicle based on slip with car hoisting apparatus
CN104842968A (en) * 2015-04-17 2015-08-19 徐州徐工随车起重机有限公司 Chassis leveling system for mixture arm high-altitude operation vehicle
CN106167232A (en) * 2016-08-31 2016-11-30 刘长富 A kind of utilization is got off the truck crane that engine cooling water heats for lifting control cabinl pulpit
CN106167232B (en) * 2016-08-31 2017-08-08 刘长富 A kind of truck crane that engine cooling water is the heating of lifting control cabinl pulpit using getting off
CN108285108A (en) * 2017-12-08 2018-07-17 安徽通润汽车零部件有限公司 Elevator Antiskid chassis
CN108502734A (en) * 2018-04-25 2018-09-07 宁波城市职业技术学院 Crane with gravity center adjuster and its method of adjustment
CN108502734B (en) * 2018-04-25 2023-05-02 宁波城市职业技术学院 Crane with gravity center adjusting device and adjusting method thereof
CN109513142A (en) * 2018-11-20 2019-03-26 三汽车制造有限公司 Boom device and special vehicle
CN110040218A (en) * 2019-04-30 2019-07-23 上海海事大学 Boom type body section weld seam detection vehicle
CN110963422A (en) * 2019-12-18 2020-04-07 中铁建设集团市政工程有限公司 Large-scale hub station building complete equipment
CN111606222A (en) * 2020-05-19 2020-09-01 河南工业职业技术学院 Combined telescopic arm system and engineering machinery
CN111606222B (en) * 2020-05-19 2022-03-22 河南工业职业技术学院 Combined telescopic arm system and engineering machinery

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