CN1136798A - Device for extending and storing horizontal boom - Google Patents
Device for extending and storing horizontal boom Download PDFInfo
- Publication number
- CN1136798A CN1136798A CN94194367A CN94194367A CN1136798A CN 1136798 A CN1136798 A CN 1136798A CN 94194367 A CN94194367 A CN 94194367A CN 94194367 A CN94194367 A CN 94194367A CN 1136798 A CN1136798 A CN 1136798A
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- mentioned
- horizontal boom
- hoisting arm
- vertical hoisting
- pin
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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
- 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
- B66C23/62—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
- 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 comprises horizontal boom stretches out, the fixing means of collection means and vertical hoisting arm and horizontal boom, and can control on the operation seat.Above-mentionedly stretch out, the collection means are at vertical hoisting arm front end edge Width analog bracket, length direction at carriage is provided with pin-and-hole, broad ways analog bracket on the supporting frame that is provided with horizontal boom (this horizontal boom can freely rise and fall), on the carriage of supporting frame, be provided with pin-and-hole along its length, pass through connecting pin, the pin-and-hole of vertical hoisting arm and the pin-and-hole broad ways of supporting frame are linked up freely to rotate, on above-mentioned connecting pin line of centers, also rotating driving device can be set.The said fixing means are at the Width of the front end of vertical hoisting arm and the Width difference installation bracket of supporting frame, under the attitude that horizontal boom stretches out, on the position that the carriage of the carriage of vertical hoisting arm and supporting frame overlaps, pin-and-hole is connected, on the line of centers of this pin-and-hole, the oil pressure pressurized strut of band connecting pin can be set.This fixing means is fixedly connected axle on supporting frame also, and to be installed in horizontal boom on the vertical hoisting arm be when stretching out posture and chimeric suspension hook and the suspension hook of connection shaft carries out chimeric action and break away from the driving device of using when moving.In addition, also can the steel cable leading sheave that winch cable is used be set at the leading section of vertical hoisting arm or the base end part of horizontal boom.Adopt said structure, can between pulley that the winch cable that is installed in vertical hoisting arm leading section is used and the leading sheave and the winch cable that is contained in the horizontal boom base end part wire line guide is set between with pulley and leading sheave.And the spring that adjustment leading sheave and wire line guide position are used can be set also.The installation site of wire line guide is such: at horizontal boom when stretching out posture, for the steel rope 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: the oil pressure pressurized strut that is contained on the supporting frame, vertical hoisting arm and horizontal boom are used as rise and fall; Be contained on the leading section of vertical hoisting arm, make the parallel four mobile joint connecting rods of supporting frame broad ways; Be contained on the leading section of vertical hoisting arm, make the oil pressure pressurized strut of above-mentioned four joint connecting rods actions.
Adopt said structure, on the operation seat, can control various drivings device such as oil pressure pressurized strut.That is, can carry out horizontal boom stretches out horizontal boom along the Width rotation of vertical hoisting arm operation and horizontal boom on the seat in operation is the operation of when stretching out posture vertical hoisting arm and supporting frame being fixed.In addition, owing to be provided with leading sheave and the wire line guide that winch cable is used, utilize the spring adjustable position, therefore, when horizontal boom was the collection posture, steel rope can not become inappropriate shape.And horizontal boom is when stretching out posture, and steel rope becomes under the straight line situation, with the not contacted position of steel rope on be provided with wire line guide, so steel rope does not contact wire line guide during operation, can prevent that steel rope from producing wearing and tearing.Because be provided with four joint connecting rods and make the oil pressure pressurized strut etc. of its action usefulness, during the collection horizontal boom, horizontal boom is parallel to be moved by making, and horizontal boom is risen and fallen.Like this, horizontal boom can be collected in side by side the side of vertical hoisting 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 be Fig. 1 wheel dynamic formula hoisting crane front portion in face figure;
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.The vertical hoisting arm 2 that is installed on the body 1 lodges 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 (9)
1, the stretching out of a kind of movable crane horizontal boom, holding device fo, described movable crane is at the front end of the vertical hoisting arm that can freely rise and fall, rise and fall horizontal boom freely is installed, side at above-mentioned vertical hoisting arm is collected above-mentioned horizontal boom abreast, it is characterized in that, the stretching out of above-mentioned horizontal boom, holding device fo comprises above-mentioned horizontal boom stretches out, the fixing means of collection means and above-mentioned vertical hoisting arm and above-mentioned horizontal boom, and can control on the operation seat.
2, the stretching out of the horizontal boom of putting down in writing according to claim 1, holding device fo is characterized in that, above-mentionedly stretch out, the collection means are at the front end edge Width analog bracket of above-mentioned vertical hoisting arm; Length direction along above-mentioned carriage is provided with pin-and-hole; The Width analog bracket of the supporting frame of above-mentioned horizontal boom freely being installed along rising and falling; Length direction along the carriage of above-mentioned supporting frame is provided with pin-and-hole; With connecting pin the rotation of the pin-and-hole broad ways of the pin-and-hole of above-mentioned vertical hoisting arm and above-mentioned supporting frame is freely coupled together; On the line of centers of above-mentioned connecting pin, device of rotation driving is set.
3, according to the stretching out of claim 1 or 2 horizontal booms of being put down in writing, holding device fo, it is characterized in that the said fixing means are respectively along the Width of above-mentioned vertical hoisting arm front end and the Width analog bracket of above-mentioned supporting frame; Be when stretching out attitude at above-mentioned horizontal boom, on the position that the carriage of the carriage of above-mentioned vertical hoisting arm and above-mentioned supporting frame overlaps, pin-and-hole connected; On the line of centers of above-mentioned pin-and-hole, be provided with the oil pressure pressurized strut that embeds the connecting pin in the above-mentioned pin-and-hole.
4, according to the stretching out of claim 1 or 2 horizontal booms of being put down in writing, holding device fo, it is characterized in that, the said fixing means comprise: fixed connection shaft on above-mentioned supporting frame, on above-mentioned vertical hoisting arm, suspension hook is set, combines with above-mentioned adapter shaft when stretching out attitude with convenient horizontal boom; Above-mentioned suspension hook engages, breaks away from the driving device of action usefulness.
5, the stretching out of the horizontal boom of putting down in writing according to claim 2, holding device fo is characterized in that, are provided with the wire line guide that winch cable is used at the front end of above-mentioned vertical hoisting arm and the base end part of above-mentioned horizontal boom.
6, the stretching out of the horizontal boom of putting down in writing according to claim 5, holding device fo, it is characterized in that, between pulley and above-mentioned wire line guide that the winch cable that is arranged on above-mentioned vertical hoisting arm front end is used, and between the winch cable that is arranged on the base end part of above-mentioned the horizontal boom pulley and above-mentioned wire line guide used, be respectively equipped with wire line guide.
7, the stretching out of the horizontal boom of putting down in writing according to claim 6, holding device fo is characterized in that, are provided with the spring of adjusting above-mentioned leading sheave and above-mentioned wire line guide.
8, according to the stretching out of claim 6 and 7 horizontal booms of being put down in writing, 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 attitude, above-mentioned winch cable becomes a linear state between the pulley of the pulley of above-mentioned vertical hoisting arm front end and above-mentioned horizontal boom base end part, at this moment, wire line guide is on the position that does not contact winch cable.
9, the stretching out of the horizontal boom of putting down in writing according to claim 1, holding device fo is characterized in that, above-mentionedly stretch out, holding device fo comprises: be installed on the supporting frame, above-mentioned vertical hoisting arm and above-mentioned horizontal boom done rise and fall the oil pressure pressurized strut of action; Be installed in the front end 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 front end of above-mentioned vertical hoisting arm, make the oil pressure pressurized strut of four joint connecting rod actions.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP302270/93 | 1993-11-08 | ||
| JP30227093A JP3258472B2 (en) | 1993-11-08 | 1993-11-08 | Horizontal boom overhang, containment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1136798A true CN1136798A (en) | 1996-11-27 |
| CN1038574C 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) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174092A (en) * | 2007-11-29 | 2015-12-23 | 马尼托瓦克起重机有限公司 | Connection system for crane boom segments |
| CN108756781A (en) * | 2018-05-23 | 2018-11-06 | 徐工集团工程机械有限公司 | A kind of truck-mounted drilling rig crane arm control device |
| CN109689562A (en) * | 2016-09-13 | 2019-04-26 | 株式会社多田野 | Crane |
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| JPH11199177A (en) * | 1998-01-09 | 1999-07-27 | Kobe Steel Ltd | Crane jib overhang and storage method and its device |
| 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 |
| FR3049593A1 (en) * | 2016-04-01 | 2017-10-06 | Manitowoc Crane Group France | FOLDABLE STRUCTURE FOR COMPOSING A TOWER 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 |
| 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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| JPS4517015Y1 (en) * | 1967-04-19 | 1970-07-13 | ||
| JPS5430757Y2 (en) * | 1974-05-15 | 1979-09-27 | ||
| US4141455A (en) * | 1977-07-14 | 1979-02-27 | Harnischfeger Corporation | Means for storing and connecting jib on telescopic crane boom |
| 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 |
| 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 |
-
1993
- 1993-11-08 JP JP30227093A patent/JP3258472B2/en not_active Expired - Lifetime
-
1994
- 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
- 1994-11-08 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
- 1994-11-19 TW TW085211191U patent/TW298901U/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174092A (en) * | 2007-11-29 | 2015-12-23 | 马尼托瓦克起重机有限公司 | Connection system for crane boom segments |
| CN109689562A (en) * | 2016-09-13 | 2019-04-26 | 株式会社多田野 | Crane |
| CN108756781A (en) * | 2018-05-23 | 2018-11-06 | 徐工集团工程机械有限公司 | A kind of truck-mounted drilling rig crane arm control device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW298901U (en) | 1997-02-21 |
| CN1038574C (en) | 1998-06-03 |
| KR960705731A (en) | 1996-11-08 |
| EP0728695A1 (en) | 1996-08-28 |
| WO1995013240A1 (en) | 1995-05-18 |
| DE69427033T2 (en) | 2001-10-25 |
| JP3258472B2 (en) | 2002-02-18 |
| EP0728695A4 (en) | 1997-06-04 |
| KR100332941B1 (en) | 2002-11-23 |
| EP0728695B1 (en) | 2001-04-04 |
| DE69427033D1 (en) | 2001-05-10 |
| JPH07125986A (en) | 1995-05-16 |
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