CN203050124U - Arm frame device and engineering machinery - Google Patents
Arm frame device and engineering machinery Download PDFInfo
- Publication number
- CN203050124U CN203050124U CN201220702825.4U CN201220702825U CN203050124U CN 203050124 U CN203050124 U CN 203050124U CN 201220702825 U CN201220702825 U CN 201220702825U CN 203050124 U CN203050124 U CN 203050124U
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- jib
- joint
- boom device
- joint jib
- folded
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- 239000000463 material Substances 0.000 claims abstract description 4
- 239000010720 hydraulic oil Substances 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The utility model discloses an arm frame device which comprises at least five sections of arm frames which are hinged in sequence from head to tail, wherein a third section of arm frame (3) is an inflected arm frame. When the arm frame device is in a folded state, a first section of arm frame (1), a second section of arm frame (2) and the third section of the arm frame (3) are folded to be in an R type, a fourth section of arm frame (4) is folded above the third section of the arm frame (3), and the third section of the arm frame (3), the fourth section of the arm frame (4) and a fifth section of arm frame (5) are folded to be in a Z type. A first driving device with a hydraulic oil cylinder (31) is arranged between the second section of the arm frame (2) and the third section of the arm frame (3). A cylinder barrel of the hydraulic oil cylinder is arranged in an internal space of the second section of the arm frame (2). The utility model further provides engineering machinery which comprises a rotating table, wherein the arm frame device is arranged on the rotating table. The arm frame device and the engineering machinery are beneficial for increasing the section number of the foldable arm frames and effective extending length of the arm frame device, and improving flexibility of material distribution of the arm frame device.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of boom device and engineering machinery.
Background technology
Concrete mixer has turntable and the boom device that is arranged on the turntable.Boom device comprises the more piece jib, and by the driving of drive unit, the more piece jib can launch, draws in, rotates and fold etc.Carrier pipe is fixedly arranged on the boom device, and it is mobile together that carrier pipe is followed boom device, concrete can be transported to appointed positions.When concrete mixer was in off working state, the more piece jib folded up to reduce the occupied space of concrete mixer as far as possible.
Boom device because it suffers restraints in short transverse, causes the arrangement space of in the vertical direction less when folded state.Therefore, the space that takes full advantage of vertical direction is folded up boom device compactly, and is very crucial for the flexibility of the total length that increases boom device and raising boom device cloth.The folding mode of the boom device of concrete mixer mainly contains foldable integral modes such as R type, Z type and RZ type at present.What Fig. 1 showed in the accompanying drawing is the structure of typical boom device of the prior art.The first segment jib 1 of the boom device among Fig. 1, the second joint jib 2 and the 3rd joint jib 3 are folded into the R type, are folded into the Z type with the 3rd joint jib 3 and the 5th joint jib 5 behind the 4th joint jib 4 reflexeds.That is, the boom device shown in Fig. 1 is typical RZ type folding mode.In order to prevent that boom device from folding superelevation, the 5th joint jib 5 and the 6th joint jib 6 are folded in the 4th joint jib 4 tops in the same direction in turn.
But in said structure, on the one hand, drive unit set between the adjacent jib need occupy certain space; On the other hand, if connect the jib of other folding directions again at the tail end of minor details jib, folding space is not enough again.Therefore, cause boom device all to be subjected to very big restriction at aspect the increase of total length and the variation aspect of folding mode.In addition, in order to reach the total length requirement of boom device, the length with the 4th joint jib 4 arranges longly as far as possible usually.Like this, the connecting portion of the 4th joint jib 4 and the 5th joint jib 5 can be positioned at the top of driver's cabin usually, needs in this case very strict control is carried out in the expansion of boom device in proper order, has increased design and manufacture cost thus.
The utility model content
The purpose of this utility model provides a kind of boom device and engineering machinery, makes boom device compactlyer folding, thereby is conducive to increase folding jib joint number and effective spread length of boom device, and the cloth flexibility that improves boom device.
To achieve these goals, the utility model provides a kind of boom device, and this boom device comprises at least five joint jibs, and these at least five joints jib head and the tail hinged and the 3rd joint jib in turn are the jib that turns round; Wherein, in being in the described boom device of folded state, first segment jib to the three joint jibs are folded into the R type, and top and the 3rd joint jib to the five joint jibs that the 4th joint jib is folded to the 3rd joint jib are folded into the Z type.Wherein, be provided with first drive unit that comprises hydraulic jack between the second joint jib and the 3rd joint jib, and the cylinder barrel of hydraulic jack is arranged in the inner space of the second joint jib.
Preferably, first drive unit also comprises: first connecting rod, and this first connecting rod is triangular in shape, and the first end of this first connecting rod is rotatably connected on the second joint jib; And second connecting rod, the first end of this second connecting rod is rotatably connected on the 3rd joint jib; Wherein, the second end of first connecting rod is connected rotationally with the second end of second connecting rod, and the 3rd end of first connecting rod and the piston rod of hydraulic jack are rotatably connected; And in being in the described boom device of folded state, second connecting rod is folded in the inner space of the 3rd joint jib.
Preferably, boom device comprises seven joint jibs at least; Wherein, in being in the described boom device of folded state, the extremely minor details jib of the 4th joint jib is folded into the R type.
Preferably, boom device has seven joint jibs; Wherein, in being in the described boom device of folded state, the 5th joint jib and the 6th joint jib are folding in turn in the same direction; And the 7th joint jib is folded in the position between the 4th joint jib and the 6th joint jib.
Preferably, be provided with second drive unit between the 6th joint jib and the 7th joint jib, this second drive unit is the driven unit that hydraulic jack and linkage form, and perhaps is the driven unit that hydraulic motor and linkage form.
Preferably, boom device comprises and is connected the carrier pipe for delivery of material that respectively saves on the jib that the end of this carrier pipe is bent to form curved portions (9); Wherein, in being in the described boom device of folded state, in the interval that forms in the horizontal direction between the arc part interval that in the vertical direction forms between the 4th joint jib and the 6th joint jib and first segment jib and the 7th joint jib.
On the other hand, the utility model also provides a kind of engineering machinery, and this project machinery comprises turntable; Turntable is provided with above-mentioned boom device; Wherein, engineering machinery comprises concrete mixer.
By technique scheme, the utility model provides more reasonably boom device of a kind of arrangement.Owing to the second joint jib and the 3rd cylinder barrel that saves the hydraulic jack of first drive unit between the jib have been arranged in the inner space of the second joint jib, therefore can have reduced the spacing between the second joint jib and the 3rd joint jib.Like this, can reduce the fold height of the 4th joint jib that being folded in the 3rd joint jib top, thereby respectively save the folding more space that provides of jib for after the 5th joint jib other.By this, can increase effective folding space of boom device, make boom device can be improved at aspect the increase of total length and the variation aspect of folding mode.And then, can suitably shorten the length of the 4th joint jib, fall within driver's cabin top with the connecting portion of avoiding the 4th joint jib and the 5th joint jib, thereby simplified the expansion action of boom device.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of manual, is used from explanation the utility model with the following specific embodiment one, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the folded state structural representation of a kind of boom device of the prior art;
Fig. 2 is the not stereogram of deployed condition fully of boom device shown in Figure 1;
Fig. 3 is the folded state structural representation according to boom device of the present utility model;
Fig. 4 is the not stereogram of deployed condition fully of boom device shown in Figure 3;
Fig. 5 is the vertical view of boom device shown in Figure 3, and the folding position of carrier pipe bend pipe end is shown.
Description of reference numerals
1 first segment jib, 2 second joint jibs
3 the 3rd joint jibs, 31 hydraulic jacks, 32 first connecting rods
33 second connecting rods
4 the 4th joint jibs 5 the 5th joint jib 6 the 6th joint jib
7 the 7th joint jibs
100 driver's cabins
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, under the situation of not doing opposite explanation, the noun of locality of use " top " typically refers to the position that position, " end " away from ground typically refers to close ground.
With reference to figure 3 and Fig. 4, the utility model provides a kind of boom device.This boom device comprises at least five joint jibs, and it is hinged in turn that each saves the jib head and the tail.Should be clear and definite be, head end and the turntable of first segment jib 1 are hinged, the tail end of minor details jib is the cloth terminal.Be provided with drive unit between the adjacent jib, in order to drive expansion, gathering, the rotation or folding between each jib.
In more detail, according to embodiment of the present utility model, when boom device was in folded state, first segment jib 1 to the 3rd joint jib 3 was folded into the R type.Wherein, the 3rd joint jib 3 is the jib that turns round.That is, in the vertical view or upward view when boom device is in folded state, head end and the tail end of the 3rd joint jib 3 have certain interval.Like this, can make the folding position and the 4th of first segment jib 1 and the second joint jib 2 save the later folding position in the vertical direction staggered positions that respectively saves jib of jib 4, to avoid interfering and realizing rational foldable integral shape.
Further, according to embodiment of the present utility model, when boom device was in folded state, top and the 3rd joint jib 3 to the 5th joint jibs 5 that the 4th joint jib 4 is folded in the 3rd joint jib 3 were folded into the Z type.According to embodiment of the present utility model, the second joint jib 2 and the 3rd joint jib 3 are the body structure with housing.And, be provided with first drive unit between the second joint jib 2 and the 3rd joint jib 3.According to an embodiment of the present utility model, can use hydraulic jack as drive unit.According to another embodiment of the present utility model, also can use the driven unit of being formed by hydraulic jack and connecting rod machine as drive unit.
In more detail, the cylinder barrel of hydraulic jack 31 is arranged in the inner space of the second joint jib 2.Piston rod by hydraulic jack 31 flexible can drive relatively moving between the second joint jib and the 3rd joint jib 3.Should be appreciated that the position corresponding with first drive unit on the housing of the second joint jib 2 and the 3rd joint jib 3 offers the opening of the flexible perforation of the piston rod that allows hydraulic jack 31.By this, can reduce the second joint jib 2 and the 3rd spacing that saves between the jib 3.And then, can reduce the fold height of the 4th joint jib 4 that being folded in the 3rd joint jib 3 tops, thereby respectively save the folding more space that provides of jib for after the 5th joint jib 5 other.And therefore, can also realize suitably shortening the length of the 4th joint jib, fall within the driver's cabin top with the connecting portion of avoiding the 4th joint jib and the 5th joint jib.
In addition, first drive unit also comprises can comprise link assembly, is used for increasing the angle of revolution between the second joint jib 2 and the 3rd joint jib 3.According to embodiment of the present utility model, link assembly comprises first connecting rod 32 and second connecting rod 33.First connecting rod 32 is triangular in shape, and the first end of this first connecting rod 32 is rotatably connected on the second joint jib 2.The first end of second connecting rod 33 is rotatably connected on the 3rd joint jib 3.Wherein, the second end of first connecting rod 32 is connected rotationally with the second end of second connecting rod 33, and the 3rd end of first connecting rod 32 and the piston rod of hydraulic jack 31 are rotatably connected.When the piston rod of hydraulic jack 31 was flexible, the connecting portion that promotes or spur first connecting rod 32 and second connecting rod 33 moved, thereby realized relatively moving between the second joint jib 2 and the 3rd joint jib 3.And when boom device was in folded state, second connecting rod 33 was pulled in the inner space that is folded in the 3rd joint jib 3 by the piston rod of hydraulic jack 31.Like this, be conducive to reduce the second joint jib 2 and the 3rd spacing that saves between the jib 3.
Continuation is with reference to figure 3 and Fig. 4, and according to embodiment of the present utility model, boom device comprises seven joint jibs at least.Wherein, when boom device was in folded state, the 4th joint jib 4 to minor details jib was folded into the R type.Like this, first segment jib 1 to the 3rd joint jib 3 is folded into the R type, and the 3rd joint jib 3 to the 5th joint jibs 5 are folded into the Z type, and the 4th joint jib 4 to minor details jib is folded into the R type, thereby first segment jib 1 to minor details jib is folded into the RZR type.
More specifically, boom device has seven joint jibs.When boom device was in folded state, the 5th joint jib 5 and the 6th joint jib 6 were folding in turn in the same direction.And, because the fold height of the 4th joint jib 4 will reduce, therefore can have bigger spacing between the 4th joint jib 4 and the 6th joint jib 6.Thus, according to the embodiment that the utility model provides, when boom device was in folded state, the 7th joint jib 7 was folded in the 4th joint jib 4 and the 6th gap of saving between the jib 6.
Further, because the fold height of the 4th joint jib 4 will reduce, so respectively the saving jib and can be assigned to bigger space of boom device.By this, improve in the bigger angle of revolution of needs between the 6th joint jib 6 and the 7th joint jib 7 of cloth flexibility, the complicated drive unit of structure can be set.According to embodiment of the present utility model, the driven unit that use is made up of hydraulic jack and connecting rod machine or use the driven unit of being made up of hydraulic motor and linkage as drive unit drives the 6th and saves jib 6 and the 7th revolution that saves between the jib 7 is moved.Compare with the drive unit that has only hydraulic jack or hydraulic motor, the drive unit with linkage can be realized bigger moving range.For example, utilize the drive unit with linkage can drive the 7th joint jib 7 and carry out 240 ° of revolutions in the scope with respect to the 6th joint jib, thereby effectively improve the cloth flexibility of boom device.
With reference to figure 5, according to embodiment of the present utility model, boom device comprises and is connected the carrier pipe for delivery of material that respectively saves on the jib.The end of this carrier pipe is bent to form curved portions 9, to be conducive to cloth.In the prior art, owing to do not had enough spaces to hold curved portions 9 in the folding space of each joint jib, therefore when boom device was in folded state, curved portions 9 was normally drawn the outside at the folding space of each joint jib in.Like this, be equivalent to increase boom device in the occupied space of folded state.According to embodiment of the present utility model, as mentioned above, in the vertical direction is formed with at interval between the 4th joint jib 4 and the 6th joint jib 6.And, in the horizontal direction, be formed with at interval between first segment jib 1 and the 7th joint jib 7.Like this, just provide folding space for curved portions 9.Curved portions 9 can be drawn in the inside of the folding space of each joint jib, thereby has reduced boom device in the occupied space of folded state.
On the other hand, the utility model also provides a kind of engineering machinery.This project machinery comprises turntable and is arranged on boom device on the turntable.This boom device is above-described boom device.Wherein, this project machinery comprises concrete mixer.
Below describe preferred embodiment of the present utility model by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (7)
1. boom device, this boom device comprise at least five joint jibs, and these at least five joints jib head and the tail hinged and the 3rd joint jib (3) in turn are the jib that turns round; Wherein, in being in the described boom device of folded state, first segment jib (1) is folded into the R type to described the 3rd joint jib (3), and top and described the 3rd joint jib (3) to the 5th joint jib (5) that the 4th joint jib (4) is folded to described the 3rd joint jib (3) are folded into the Z type; It is characterized in that, be provided with first drive unit that comprises hydraulic jack (31) between the second joint jib (2) and described the 3rd joint jib (3); Wherein, the cylinder barrel of described hydraulic jack (31) is arranged in the inner space of the described second joint jib (2).
2. boom device according to claim 1 is characterized in that, described first drive unit also comprises:
First connecting rod (32), this first connecting rod (32) is triangular in shape, and the first end of this first connecting rod (32) is rotatably connected on the described second joint jib (2); And
Second connecting rod (33), the first end of this second connecting rod (33) are rotatably connected on described the 3rd joint jib (3);
Wherein, the second end of described first connecting rod (32) is connected rotationally with the second end of described second connecting rod (33), and the piston rod of the 3rd end of described first connecting rod (32) and described hydraulic jack (31) is rotatably connected; And
In being in the described boom device of folded state, described second connecting rod (32) is folded in the inner space of described the 3rd joint jib (3).
3. boom device according to claim 1 and 2 is characterized in that, described boom device comprises seven joint jibs at least;
Wherein, in being in the described boom device of folded state, the extremely minor details jib of described the 4th joint jib (4) is folded into the R type.
4. boom device according to claim 3 is characterized in that, described boom device has seven joint jibs;
Wherein, in being in the described boom device of folded state, described the 5th joint jib (5) is folding in turn in the same direction with the 6th joint jib (6); And
The 7th joint jib (7) is folded in the position between described the 4th joint jib (4) and the 6th joint jib (6).
5. boom device according to claim 4, it is characterized in that, be provided with second drive unit between described the 6th joint jib (6) and the 7th joint jib (7), this second drive unit is the driven unit that hydraulic jack and linkage form, and perhaps is the driven unit that hydraulic motor and linkage form.
6. boom device according to claim 4 is characterized in that, described boom device comprises and be connected the carrier pipe for delivery of material that respectively saves on the jib that the end of this carrier pipe is bent to form curved portions (9);
Wherein, in being in the described boom device of folded state, described curved portions (9) is arranged in interval and the first segment jib (1) and the described the 7th that in the vertical direction forms between described the 4th joint jib (4) and the 6th joint jib (6) and saves the interval that forms in the horizontal direction between the jib (7).
7. engineering machinery, this project machinery comprises turntable; It is characterized in that described turntable is provided with each described boom device among the claim 1-6;
Wherein, described engineering machinery comprises concrete mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220702825.4U CN203050124U (en) | 2012-12-18 | 2012-12-18 | Arm frame device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220702825.4U CN203050124U (en) | 2012-12-18 | 2012-12-18 | Arm frame device and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050124U true CN203050124U (en) | 2013-07-10 |
Family
ID=48733091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220702825.4U Expired - Fee Related CN203050124U (en) | 2012-12-18 | 2012-12-18 | Arm frame device and engineering machinery |
Country Status (1)
| Country | Link |
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| CN (1) | CN203050124U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470049A (en) * | 2013-09-04 | 2013-12-25 | 三一汽车制造有限公司 | Boom system and material distribution equipment |
| CN104514375A (en) * | 2013-09-13 | 2015-04-15 | 普茨迈斯特工程有限公司 | Foldable bar frame, especially concret distribution bar frame |
| CN109931078A (en) * | 2019-04-22 | 2019-06-25 | 中国铁建重工集团有限公司 | Filling concrete vehicle and its folding arm |
| CN112252727A (en) * | 2020-08-26 | 2021-01-22 | 河北雷萨重型工程机械有限责任公司 | Arm support device and engineering machinery |
| WO2022105241A1 (en) * | 2020-11-20 | 2022-05-27 | 三一汽车制造有限公司 | Boom device and operation vehicle |
| CN115142678A (en) * | 2021-03-31 | 2022-10-04 | 三一汽车制造有限公司 | Arm support device and engineering machinery |
| EP4230823A4 (en) * | 2020-11-20 | 2024-04-03 | Sany Automobile Manufacturing Co., Ltd. | Operation vehicle |
-
2012
- 2012-12-18 CN CN201220702825.4U patent/CN203050124U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470049A (en) * | 2013-09-04 | 2013-12-25 | 三一汽车制造有限公司 | Boom system and material distribution equipment |
| CN103470049B (en) * | 2013-09-04 | 2016-05-11 | 三一汽车制造有限公司 | Boom system and apparatus for distributing |
| CN104514375A (en) * | 2013-09-13 | 2015-04-15 | 普茨迈斯特工程有限公司 | Foldable bar frame, especially concret distribution bar frame |
| CN109931078A (en) * | 2019-04-22 | 2019-06-25 | 中国铁建重工集团有限公司 | Filling concrete vehicle and its folding arm |
| CN112252727A (en) * | 2020-08-26 | 2021-01-22 | 河北雷萨重型工程机械有限责任公司 | Arm support device and engineering machinery |
| WO2022105241A1 (en) * | 2020-11-20 | 2022-05-27 | 三一汽车制造有限公司 | Boom device and operation vehicle |
| EP4230823A4 (en) * | 2020-11-20 | 2024-04-03 | Sany Automobile Manufacturing Co., Ltd. | Operation vehicle |
| CN115142678A (en) * | 2021-03-31 | 2022-10-04 | 三一汽车制造有限公司 | Arm support device and engineering machinery |
| CN115142678B (en) * | 2021-03-31 | 2024-02-06 | 三一汽车制造有限公司 | Arm support device and engineering machinery |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20171218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |