CN1038574C - Device for extending and storing horizontal boom - Google Patents
Device for extending and storing horizontal boom Download PDFInfo
- Publication number
- CN1038574C CN1038574C CN94194367A CN94194367A CN1038574C CN 1038574 C CN1038574 C CN 1038574C CN 94194367 A CN94194367 A CN 94194367A CN 94194367 A CN94194367 A CN 94194367A CN 1038574 C CN1038574 C CN 1038574C
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- China
- Prior art keywords
- mentioned
- horizontal boom
- vertical hoisting
- stretching out
- hoisting arm
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- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0321—Travelling cranes
- B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Jib Cranes (AREA)
Abstract
A device for extending and storing a horizontal boom, said apparatus enabling turning of the horizontal boom to a side surface of a vertical boom for storing in parallel with the latter, and easy extending of the same. Therefore, pin bores (6) are formed in brackets (5) secured to a tip end of the vertical boom (2), brackets (11) are secured to a support frame (10) mounted to the horizontal boom (3), pin bores (12) are formed longitudinally of the brackets (11), the pin bores (6) and the pin bores (12) are turnably connected to each other by connection pins (14), and a turning drive device (16) is provided on a center line of the connection pins (14).
Description
The present invention relates to the stretching out of horizontal boom, holding device fo, particularly relate to the stretching out of horizontal boom, the holding device fo that horizontal boom are arranged on abreast the movable crane of the side of vertical hoisting arm collecting.
As everyone knows, the bendable crane arm of existing movable crane is for example shown in the open clear 63-41092 communique of communique of Japanese Utility Model, the vertical hoisting arm of this bendable crane arm is installed on the car body, it can rotate freely along the vertical direction and become stand up posture or the lodging posture, horizontal boom is connected on this vertical hoisting arm, and it can rotate freely along the vertical direction.Like this, the time make the vertical hoisting arm become the lodging posture, horizontal boom is overlapped on the vertical hoisting arm and collect with the bending posture in walking.In addition, during crane job, make the vertical hoisting arm become the posture of standing up, horizontal boom is rotated along the vertical direction.
But there is following problem in this bendable crane arm, that is, because horizontal boom overlaps on the vertical hoisting arm when collection, so the height dimension up and down of crane arm is big, the sight line that can hinder operating personal when walking.
In order to address this problem, the scheme that the flat 4-091512 of undocumented Japanese utility model application proposes is, on the carriage that vertical hoisting arm front end edge Width is provided with, establish a pin-and-hole along its length, on the supporting frame that horizontal boom (this horizontal boom can freely rise and fall) is housed, broad ways is provided with carriage, and establishes a pin-and-hole along its length, with pin the pin-and-hole of vertical hoisting arm and the pin-and-hole of supporting frame is linked up.Like this, supporting frame can be rotated on the Width of vertical hoisting arm.And after when collection became horizontal boom maximum lodging posture, supporting frame Rotate 180 ° was collected in horizontal boom the side of vertical hoisting arm abreast.Therefore, during collecting state, the height dimension up and down of crane arm is little, the sight line that can not hinder operating personal when walking.
But, adopt said structure, have following problem, that is, and stretch out or when collect horizontal boom because unpowered device must manually be operated in dependence, so labour that need cost a lot of money in operation also can be dangerous; In addition, when horizontal boom was become the collection posture, the winch cable between vertical hoisting arm and the horizontal boom bent to the U font, becomes irrational shape, damages steel rope easily.
The present invention studies in order to solve the existing in prior technology shortcoming.The purpose of this invention is to provide the stretching out of a kind of horizontal boom of operating, can not damage winch cable in operation on the seat easily, holding device fo.
The stretching out of the horizontal boom that the present invention relates to, holding device fo comprise the fixing means of the stretching out of horizontal boom, collection means and vertical hoisting arm and horizontal boom.Above-mentionedly stretch out, the collection means comprise: at the fixing carriage of the front end edge Width of vertical hoisting arm; The fixing carriage of broad ways on the supporting frame that horizontal boom is is freely risen and fallen; The pin-and-hole that will be provided with along its length on pin-and-hole that is provided with along its length on the carriage of vertical hoisting arm and the carriage at supporting frame links up, the connecting pin that carriage energy broad ways is rotated freely; The rotating driving device that on the connecting pin line of centers, is provided with.
Fixing means comprises: be fixed on the connection shaft on the supporting frame; Be fixed on the vertical hoisting arm, when horizontal boom is when stretching out posture and the chimeric carriage of connection shaft; Make connection shaft and above-mentioned carriage carry out the driving device of chimeric action and disengaging action.
In addition, be provided with the leading sheave that winch cable is used at the leading section of vertical hoisting arm and the base end part of horizontal boom; Between pulley that the winch cable that is installed in vertical hoisting arm front end is used and the leading sheave and be installed between pulley that the winch cable of horizontal boom base end part uses and the leading sheave and be respectively equipped with wire line guide.In addition, the spring that adjustment wire line guide position is used also can be set.The installation site of wire line guide is such: at horizontal boom when stretching out posture, for the winch cable that becomes a linear state between the pulley of the pulley of vertical hoisting arm leading section and horizontal boom base end part, wire line guide is on the discontiguous position.
Stretch out, the collection means also comprise: be installed on the supporting frame, vertical hoisting arm and horizontal boom done rise and fall the oil pressure pressurized strut of action; Be installed in the leading section of above-mentioned vertical hoisting arm, make the parallel four mobile joint connecting rods of above-mentioned supporting frame broad ways; Be installed in the leading section of above-mentioned vertical hoisting arm, make the oil pressure pressurized strut of above-mentioned four joint connecting rod actions.
Adopt said structure, on the operation seat, can control the device of various transmissions such as oil pressure pressurized strut.That is, can carry out the Width rotation of horizontal boom on the seat, and then stretch out the operation of horizontal boom and be the operation of when stretching out posture vertical hoisting arm and supporting frame being fixed at horizontal boom along the vertical hoisting arm in operation.In addition, owing to be provided with leading sheave and wire line guide, utilize spring can adjust the position.Therefore, when horizontal boom was the collection posture, winch cable (hereinafter referred to as steel rope) can not become inappropriate shape.In addition, for stretching out posture, steel rope becomes under the situation of straight line at horizontal boom, with the not contacted position of steel rope on wire line guide is installed, so during operation, steel rope is the contact guidance device not, can prevent that steel rope from producing wearing and tearing.Owing to be provided with four joint connecting rods and make the oil pressure pressurized strut etc. of its action usefulness, when the collection operation of carrying out horizontal boom,, horizontal boom is risen and fallen by parallel mobile and horizontal crane arm.Like this, horizontal boom can be arranged side by side, be collected in the side that vertically restarts weighing arm.
Brief description of drawings is as follows:
Fig. 1 is the transparent view that the horizontal boom of the embodiment of the invention is collected in the wheel dynamic formula hoisting crane of vertical hoisting arm side;
Fig. 2 is the right side view of the wheel dynamic formula hoisting crane of Fig. 1;
Fig. 3 is the planar view of the wheel dynamic formula hoisting crane front portion of Fig. 1;
Fig. 4 is that the horizontal boom of the wheel dynamic formula hoisting crane that relates to of embodiment stretches out the lateral plan of posture;
Fig. 5 is first embodiment of the stretching out of the horizontal boom that relates to of embodiment, holding device fo, is the transparent view of the connecting portion structure of vertical hoisting arm and horizontal boom;
Fig. 6 a and Fig. 6 b are the first embodiment scheme drawings of the fixing means that relates to of embodiment, and the instruction diagram when Fig. 6 a is oil pressure pressurized strut elongation, Fig. 6 b are the instruction diagram of oil pressure pressurized strut when shortening;
Fig. 7 is the lateral plan of second embodiment of the fixing means that relates to of embodiment;
Fig. 8 is along the cutaway view of A-A line among Fig. 7;
Fig. 9 is the detailed perspective view of the carriage of Fig. 7;
Figure 10 a～Figure 10 c is the action scheme drawing of second embodiment of fixing means, and Figure 10 a is the instruction diagram of horizontal boom when stretching out, and Figure 10 b is the instruction diagram when removing the combining of vertical hoisting arm and supporting frame, the instruction diagram when Figure 10 c is the connection shaft disengagement;
Figure 11 is the planar view of the horizontal boom of second embodiment of stretching out of relating to of embodiment, holding device fo when stretching out;
Figure 12 be stretch out, the planar view during the horizontal boom collection of second embodiment of holding device fo;
Figure 13 is that expression is stretched out, the transparent view of the component parts of holding device fo second embodiment;
Figure 14 is that the horizontal boom that expression embodiment relates to stretches out, the horizontal boom of the 3rd embodiment of holding device fo is vertical when collecting, the front elevation of horizontal boom front end;
Figure 15 is that horizontal boom stretches out, the horizontal boom of the 3rd embodiment of holding device fo is vertical when stretching out in the way, the front view of horizontal boom front end;
Figure 16 is that horizontal boom stretches out, the front view of vertical, the horizontal boom front end the when horizontal boom of the 3rd embodiment of holding device fo stretches out;
Figure 17 is that horizontal boom stretches out, the leading sheave of the 3rd embodiment of holding device fo and adjust the instruction diagram of wire line guide position with spring.
Below, will describe the preferred embodiment of the stretching out of the horizontal weighing arm that the present invention relates to, holding device fo with reference to the accompanying drawings in detail.
Wheel dynamic formula hoisting crane when Fig. 1～Fig. 3 represents that crane arm is collecting state.Vertical hoisting arm 2 examples that are installed on the body 1 lie prostrate on body 1, and this vertical hoisting arm 2 can freely rise and fall, and has collected horizontal boom 3 side by side in the side of vertical hoisting arm 2.Fig. 4 is that expression is stood up vertical hoisting arm 2 and stretched out the state of horizontal boom 3, and horizontal boom 3 is maximum lodging posture.
Fig. 5 represents to stretch out, first embodiment of holding device fo.The oil pressure pressurized strut 4 of horizontal boom 3 and horizontal boom fluctuating usefulness is installed on the supporting frame 10, can freely rise and fall.On vertical hoisting arm 2, be fixed with carriage 5, on the length direction of one side, be provided with pin-and-hole 6, on the length direction of its opposite side, be provided with pin-and-hole 7 along Width.Broad ways is fixed with carriage 11 on supporting frame 10, is provided with pin-and-hole 12 on the length direction of one side, is provided with pin-and-hole 13 on the length direction of its opposite side.The pin-and-hole 6 of one side and pin-and-hole 12 usefulness connecting pins 14 rotate and link up freely.On the position of center line of the pin-and-hole 6 of vertical hoisting arm 2 one sides, be fixed with carriage 8, on the position of center line of the pin-and-hole 12 of supporting frame 10 1 sides, be fixed with carriage 15, with motor 16 they are coupled together by rotation.From the operation seat, can control rotation motor 16.By driven in rotation motor 16, supporting frame 10 is the center with connecting pin 14, along the Width rotation of vertical hoisting arm 2.
Below, describe for first embodiment of the fixing means of vertical hoisting arm 2 and horizontal boom 3.In Fig. 5, Fig. 6 a and Fig. 6 b, when horizontal boom 3 stretches out, the opposite side pin-and-hole 7 of vertical hoisting arm 2 is positioned at the position that coincides with the opposite side pin-and-hole 13 of supporting frame 10, on the position of center line of the pin-and-hole 7 of vertical hoisting arm 2 the oil pressure pressurized strut 17 with connecting pin 18 is installed.From the operation seat, can control oil pressure pressurized strut 17.Shown in Fig. 6 a,, in the pin-and-hole 7 of connecting pin 18 insertion vertical hoisting arms 2 and the pin-and-hole 13 of supporting frame 10, when stretching out posture, supporting frame 10 is fixed on the vertical hoisting arm 2 by elongation oil pressure pressurized strut 17.In addition, when shortening oil pressure pressurized strut 17, shown in Fig. 6 b, connecting pin 18 breaks away from the pin-and-hole 13 of supporting frame 10, and supporting frame 10 is disarm state.
Below, the action of first embodiment of this fixing means is illustrated.As depicted in figs. 1 and 2, when the crane arm that is in collecting state stretches out, vertical hoisting arm 2 is erected, driven in rotation makes the Width rotation of supporting frame 10 along vertical hoisting arm 2 with motor 16 from the operation seat again, becomes the posture of stretching out shown in Figure 4.After the pin-and-hole 7 of vertical hoisting arm 2 and the pin-and-hole of supporting frame 10 13 overlap, make oil pressure pressurized strut 17 elongations that are in the shortening state, connecting pin 18 just inserts pin-and-hole 7 and 13, and supporting frame 10 just is fixed on the vertical hoisting arm 2.When collection is in the horizontal boom 3 of operating condition, according to operating just passable with above-mentioned opposite order.
Fig. 7～Figure 10 c represents second embodiment of fixing means.Connection shaft 21 is fixed on the supporting frame 10 by carriage 20.On vertical hoisting arm 2, be fixed with carriage 22 with recess 23.Carriage 22 is provided with support 25, and this support 25 has otch 24.Insert pivoting part 30 in the recess 23 of carriage 22, this pivoting part 30 can freely turn round.On pivoting part 30, be provided with support 32 and handle 33 with otch 31.On the operation seat, handle 33 and vertical hoisting arm 2 are linked up,, pivoting part 30 is turned round by stretching of oil pressure pressurized strut 34 by the pressurized strut 34 of controollable oil pressure.Horizontal boom 3 is in when stretching out state, and the support 25 of carriage 22 and the support of pivoting part 30 32 combine with connection shaft 21.
Below, be illustrated for the action of second embodiment of the fixing means of this structure.Horizontal boom 3 is when stretching out posture, and shown in Figure 10 a, connection shaft 21 is entrenched in the support 32 of the support 25 of carriage 22 and pivoting part 30.By elongation oil pressure pressurized strut 34 (with reference to Fig. 7), just can make pivoting part 30 revolutions, staggered by making notch 31 with the otch parts 24 of carriage, just can connection shaft 21 is fixing, supporting frame 10 is combined on the vertical hoisting arm 2.Remove vertical hoisting arm 2 and supporting frame 10 in conjunction with the time, shown in Figure 10 b,, make pivoting part 30 along direction of arrow revolution by shortening oil pressure pressurized strut 34, make the notch 24 of carriage 22 consistent with the notch 31 of pivoting part 30.Then, shown in Figure 10 c, connection shaft 21 just is separated from carriage 22 and pivoting part 30.
Figure 11～Figure 13 represents second embodiment of the stretching out of horizontal boom, holding device fo.At the front end of vertical hoisting arm 2, broad ways analog bracket 40 and 41.On side of carriage 40 and carriage 41, be provided with the pin-and-hole 42,43 of mutual perforation, be provided with pin-and-hole 44 at the opposite side of carriage 40.Horizontal boom 3 and horizontal boom are contained on the supporting frame 50 by pin 51 and 52 with oil pressure pressurized strut 4, can freely rise and fall.Supporting frame 50 is provided with the pin-and-hole 53,54 and 55 that links usefulness.The pin-and-hole 42,43 of vertical hoisting arm 2 and the pin-and-hole 53 of supporting frame 50, the first connecting rod 60 that has pin-and-hole 61 by two ends also couples together with pin 45 and 56, the pin-and-hole 44 of vertical hoisting arm 2 and the pin-and-hole 54 of supporting frame 50, the second connecting rod 62 that has pin-and-hole 63 by two ends couples together, as shown in figure 11, constitute parallel four joint connecting rods.
In addition, be provided with carriage 64 in the side of first connecting rod 60 with pin-and-hole 65.The pin-and-hole 55 of supporting frame 50 and the pin-and-hole 65 of first connecting rod 60 also couple together with pin 67 by oil pressure pressurized strut 66.Like this, when oil pressure pressurized strut 66 is stretched,, make horizontal boom 3 broad wayss parallel mobile by parallel four joint connecting rods.
Below, be illustrated for the action of this structure.During elongation oil pressure pressurized strut 66, as shown in figure 11, vertical hoisting arm 2 and horizontal boom 3 configurations in a straight line, horizontal boom 3 becomes and stretches out posture.When shortening oil pressure pressurized strut 66, as shown in figure 12, supporting frame 50 broad wayss move abreast, make 3 one-tenth lodging states of horizontal boom, and like this, horizontal boom 3 just is configured in the side of vertical hoisting arm 2 side by side, becomes the collection posture.
Followingly the 3rd embodiment of the stretching out of horizontal boom, holding device fo is illustrated with reference to Figure 14～Figure 17.In Figure 14,70,71 pulleys of using for the winch cable that is installed in vertical hoisting arm 2 leading sections, 72,73 for being installed in the pulley of horizontal boom 3 base end parts.On pulley 70,72 and pulley 71,73, pass through steel rope 74 and 75 respectively.The carriage 5 of vertical hoisting arm 2 front ends and the supporting frame 10 of horizontal boom 3 are centre of gration with hole 6 and are connected.Be provided with leading sheave 80 on the extended line position of the line of centers in this hole 6, during for the collection posture, this leading sheave leads to the steel rope 74,75 that is the U font at horizontal boom 3.In addition, between leading sheave 80 and pulley 70,71, be provided with wire line guide 81, between leading sheave 80 and pulley 72,73, be provided with wire line guide 82, under the state that does not apply gryposis power, steel rope 74,75 is led.Leading sheave 80 can not rotate, and can be used as the parts that steel rope is led yet.
Figure 15 represents to make horizontal boom 3 to become the transition condition that stretches out posture from the collection posture, and Figure 16 represents to stretch out the state of posture.As shown in figure 16, when steel rope 74,75 is in line state between pulley 70 and pulley 72 and between pulley 71 and the pulley 73, wire line guide 81 and 82 is positioned at the position that does not contact steel rope 74 and 75, therefore can prevent to produce skimming wear, thereby can not shorten the life-span of steel rope 74,75.
Figure 17 shows that on leading sheave 80 and wire line guide 81, to be provided with and adjust the spring that the position is used.Apply elastic force by 84 pairs of control stalks 83 of spring, control stalk 83 is installed on the leading sheave 80, and it can freely shake.In addition, apply elastic force by 86 pairs of control stalks 85 of spring, control stalk 85 is installed on the wire line guide 81, and it can freely shake.When steel rope is subjected to the very big masterpiece time spent, play automatic compensation position separately by spring 84,86.
The present invention is the stretching out of a kind of horizontal boom, holding device fo.This device is the control by the driving device that carries out on the operation seat, can be safely and easily carry out horizontal boom stretch out, collect operation and fixed operation, can prevent simultaneously the wearing and tearing of steel rope, and move and rise and fall by horizontal boom parallel, can be easily and the side that is listed in the vertical hoisting arm collect and stretch out.This device is of great use.
Claims (7)
1, stretching out of a kind of movable crane horizontal boom, holding device fo, described movable crane freely is equipped with horizontal boom in the front end fluctuating of the vertical hoisting arm that can freely rise and fall, side at above-mentioned vertical hoisting arm is collected above-mentioned horizontal boom abreast, stretching out of above-mentioned horizontal boom, holding device fo comprises stretching out of above-mentioned horizontal boom, the fixing means of collection means and above-mentioned vertical hoisting arm and above-mentioned horizontal boom, it is characterized in that above-mentioned stretching out, the collection means comprise: at the fixing carriage of above-mentioned vertical hoisting arm front end edge Width; The fixing carriage of broad ways on the supporting frame that above-mentioned horizontal boom is is freely risen and fallen; To on pin-and-hole set along its length on the carriage of above-mentioned vertical hoisting arm and carriage, link up by set along its length pin-and-hole the connecting pin that carriage energy broad ways is rotated freely at above-mentioned supporting frame; Be configured in the rotating driving device on the above-mentioned connecting pin position of center line.
2, the stretching out of horizontal boom according to claim 1, holding device fo is characterized in that the said fixing means comprise: be fixed on the adapter shaft on the above-mentioned supporting frame; Be fixed on the above-mentioned vertical hoisting arm and when above-mentioned horizontal boom be the carriage that engages with above-mentioned adapter shaft when stretching out posture; Carry out above-mentioned connection shaft and the above-mentioned driving device that engages the joint action of carriage and break away from action usefulness.
3, the stretching out of horizontal boom according to claim 1, holding device fo is characterized in that, are provided with the leading sheave that winch cable is used at the leading section of above-mentioned vertical hoisting arm and the base end part of above-mentioned horizontal boom; Between pulley that the winch cable that is contained in above-mentioned vertical hoisting arm leading section is used and the above-mentioned leading sheave and be contained between the pulley and above-mentioned leading sheave that the winch cable of the base end part of above-mentioned horizontal boom uses, be respectively equipped with wire line guide.
4, the stretching out of horizontal boom according to claim 3, holding device fo is characterized in that, are provided with to adjust the spring that above-mentioned wire line guide position is used.
5, according to the stretching out of claim 3 or 4 described horizontal booms, holding device fo, it is characterized in that, the installation site of above-mentioned wire line guide is such: at above-mentioned horizontal boom when stretching out posture, above-mentioned winch cable becomes a linear state between the pulley of the pulley of above-mentioned vertical hoisting arm leading section and above-mentioned horizontal boom base end part, at this moment, wire line guide is on the position that does not contact winch cable.
6, stretching out of a kind of movable crane horizontal boom, holding device fo, described movable crane freely is equipped with horizontal boom in the front end fluctuating of the vertical hoisting arm that can freely rise and fall, side at above-mentioned vertical hoisting arm is collected above-mentioned horizontal boom abreast, stretching out of above-mentioned horizontal boom, holding device fo comprises stretching out of above-mentioned horizontal boom, the fixing means of collection means and above-mentioned vertical hoisting arm and above-mentioned horizontal boom, it is characterized in that above-mentioned stretching out, the collection means comprise: be contained in and make above-mentioned vertical hoisting arm and above-mentioned horizontal boom do the oil pressure pressurized strut of rise and fall on the supporting frame; Be contained in and make the parallel four mobile joint connecting rods of above-mentioned supporting frame broad ways on the leading section of above-mentioned vertical hoisting arm; Be contained on the leading section of above-mentioned vertical hoisting arm, make the oil pressure pressurized strut of above-mentioned four joint connecting rods actions.
7, stretching out of a kind of movable crane horizontal boom, holding device fo, described movable crane freely is equipped with horizontal boom in the front end fluctuating of the vertical hoisting arm that can freely rise and fall, side at above-mentioned vertical hoisting arm is collected above-mentioned horizontal boom abreast, it is characterized in that, stretching out of above-mentioned horizontal boom, holding device fo comprises stretching out of above-mentioned horizontal boom, the fixing means of collection means and above-mentioned vertical hoisting arm and above-mentioned horizontal boom, the said fixing means comprise: be fixed on the connection shaft that makes on the supporting frame that above-mentioned horizontal boom freely rises and falls; Be fixed on the above-mentioned vertical hoisting arm and be when stretching out posture and the chimeric carriage of above-mentioned connection shaft at above-mentioned horizontal boom; Above-mentioned connection shaft and above-mentioned chimeric carriage carry out chimeric action and break away from the driving device of action usefulness, when described horizontal arm stretches out, and by described chimeric action, fixing described upright arm and described horizontal arm; When described horizontal arm is collected,, make the fixedly disengaging of described upright arm and described horizontal arm by described disengaging action.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30227093A JP3258472B2 (en) | 1993-11-08 | 1993-11-08 | Horizontal boom overhang, containment device |
| JP302270/93 | 1993-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1136798A CN1136798A (en) | 1996-11-27 |
| CN1038574C true CN1038574C (en) | 1998-06-03 |
Family
ID=17906993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94194367A Expired - Fee Related CN1038574C (en) | 1993-11-08 | 1994-11-08 | Device for extending and storing horizontal boom |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0728695B1 (en) |
| JP (1) | JP3258472B2 (en) |
| KR (1) | KR100332941B1 (en) |
| CN (1) | CN1038574C (en) |
| DE (1) | DE69427033T2 (en) |
| TW (1) | TW298901U (en) |
| WO (1) | WO1995013240A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544341B (en) * | 2009-03-27 | 2011-05-11 | 沈阳北方交通重工有限公司 | Auxiliary arm installation regulator of an automobile crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11199177A (en) * | 1998-01-09 | 1999-07-27 | Kobe Steel Ltd | Crane jib overhang and storage method and its device |
| JP2009149438A (en) * | 2007-11-29 | 2009-07-09 | Manitowoc Crane Companies Ltd | Connection system for crane boom segment |
| FR3049593A1 (en) * | 2016-04-01 | 2017-10-06 | Manitowoc Crane Group France | FOLDABLE STRUCTURE FOR COMPOSING A TOWER CRANE |
| CN109689562B (en) * | 2016-09-13 | 2020-02-14 | 株式会社多田野 | Crane with a movable crane |
| CN107473101B (en) * | 2017-09-09 | 2019-06-18 | 南京登峰起重设备制造有限公司 | A kind of intelligent foldable crane for town road |
| CN108756781B (en) * | 2018-05-23 | 2023-07-04 | 江苏徐工工程机械研究院有限公司 | Control device for crane boom of vehicle-mounted drilling machine |
| DE102018115519B3 (en) * | 2018-06-27 | 2019-09-12 | Terex Global Gmbh | Mobile crane with a movable adapter between main boom and main boom extension |
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| JPS5420560A (en) * | 1977-07-14 | 1979-02-16 | Harnischfeger Corp | Crane |
| JP4534306B2 (en) * | 2000-05-19 | 2010-09-01 | ソニー株式会社 | Item combination presentation device, item combination presentation system, item combination presentation method, and item information presentation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4517015Y1 (en) * | 1967-04-19 | 1970-07-13 | ||
| JPS5430757Y2 (en) * | 1974-05-15 | 1979-09-27 | ||
| US4595108A (en) * | 1982-01-26 | 1986-06-17 | Kabushiki Kaisha Kobe Seiko Sho | Method for stretching and folding extension jib in wheeled type crane |
| JPS6327396A (en) * | 1986-07-21 | 1988-02-05 | 株式会社タダノ | Jib extended to expansion boom |
| FR2661665B1 (en) * | 1990-05-03 | 1992-09-04 | Ppm Sa | HANDLING BOOM COMPRISING A MAIN BOOM AND A COMPLEMENTARY BOOM. |
| JPH0485298A (en) * | 1990-07-25 | 1992-03-18 | Tadano Ltd | Jib-provided telescopic boom |
-
1993
- 1993-11-08 JP JP30227093A patent/JP3258472B2/en not_active Expired - Lifetime
-
1994
- 1994-11-08 DE DE69427033T patent/DE69427033T2/en not_active Expired - Fee Related
- 1994-11-08 CN CN94194367A patent/CN1038574C/en not_active Expired - Fee Related
- 1994-11-08 KR KR1019960702373A patent/KR100332941B1/en not_active IP Right Cessation
- 1994-11-08 EP EP94931694A patent/EP0728695B1/en not_active Expired - Lifetime
- 1994-11-08 WO PCT/JP1994/001876 patent/WO1995013240A1/en active IP Right Grant
- 1994-11-19 TW TW085211191U patent/TW298901U/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420560A (en) * | 1977-07-14 | 1979-02-16 | Harnischfeger Corp | Crane |
| JP4534306B2 (en) * | 2000-05-19 | 2010-09-01 | ソニー株式会社 | Item combination presentation device, item combination presentation system, item combination presentation method, and item information presentation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544341B (en) * | 2009-03-27 | 2011-05-11 | 沈阳北方交通重工有限公司 | Auxiliary arm installation regulator of an automobile crane |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0728695B1 (en) | 2001-04-04 |
| TW298901U (en) | 1997-02-21 |
| KR960705731A (en) | 1996-11-08 |
| CN1136798A (en) | 1996-11-27 |
| EP0728695A4 (en) | 1997-06-04 |
| DE69427033D1 (en) | 2001-05-10 |
| DE69427033T2 (en) | 2001-10-25 |
| JPH07125986A (en) | 1995-05-16 |
| JP3258472B2 (en) | 2002-02-18 |
| WO1995013240A1 (en) | 1995-05-18 |
| KR100332941B1 (en) | 2002-11-23 |
| EP0728695A1 (en) | 1996-08-28 |
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