CN104746876A - Circumferential rotated adjacent arm frame type arm frame set and concrete pump truck - Google Patents
Circumferential rotated adjacent arm frame type arm frame set and concrete pump truck Download PDFInfo
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- CN104746876A CN104746876A CN201510159272.0A CN201510159272A CN104746876A CN 104746876 A CN104746876 A CN 104746876A CN 201510159272 A CN201510159272 A CN 201510159272A CN 104746876 A CN104746876 A CN 104746876A
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- arm
- circumferential direction
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- jib
- rotate
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Abstract
The invention relates to a circumferential rotated adjacent arm frame type arm frame set and a concrete pump truck. The circumferential rotated adjacent arm frame type arm frame set comprises at least three arm sections; a circumferential rotating transmission device is arranged between two adjacent arm sections in at least one group; the adjacent two arm sections can be circumferentially rotated through the circumferential rotating transmission device. With the adoption of the circumferential rotated adjacent arm frame type arm frame set, the material can be flexibly distributed on the premise that the material distribution range is unchanged; in addition, the material can be avoided a barrier and directly distributed in a material distributing area; meanwhile, the shaking of the whole arm frame can be reduced, and the working stability and the working efficiency of the concrete pump trunk can be improved.
Description
Technical field
The present invention relates to engineering machinery field, particularly relate to jib group and concrete mixer that a kind of adjacent jib can rotate in a circumferential direction.
Background technology
Concrete mixer refers to plant equipment motor vehicle chassis being equipped with simultaneously concrete pumping unit and distributing arm support.Concrete mixer is provided with the jib for installing fixed ducts.As shown in Figure 1, jib 1 ' has single oil cylinder, and all connected by jointed shaft between adjacent two joint arms, jib 1 ' has folder function, jib 1 ' fixing carrier pipe is installed in order to delivering concrete, jib 1 ' entirety is articulated with on the slew gear 2 ' of lower bassinet structure 3 '.Each joint arm, can the change of position, implementation space by the driving of connecting rod and hydraulic jack, in conjunction with the rotation of slew gear, thus realizes concrete pump being delivered to the position of specifying.According to actual pump truck cloth height, common pumping vehicle arm rack is traditionally arranged to be 3 ~ 5 joint arms, also has the pump truck of 6 or 7 joint arms to exist.
As shown in Figure 2, for jib in prior art respectively saves a kind of connected mode between arm, in this jib connected mode, all connected by the jointed shaft 4 ' of horizontally set between adjacent two joint arms, each jointed shaft 4 ' is parallel to each other, each joint arm can carry out the rotation of certain angle around jointed shaft 4 ', and then realizes pumping of concrete to assigned address.But the jib connected mode shown in Fig. 2, when casting position is far away, when jib level is stretched entirely, need the change being realized end casting position by the rotation of slew gear, and when the full elongation of jib level is longer, the rotation of slew gear must bring jib teeter to a certain degree.
As shown in Figure 3, for jib in prior art respectively saves the another kind of connected mode between arm, in this connected mode, minor details arm is adjacent between arm and is connected by the vertical jointed shaft 5 ' arranged, minor details arm can relative to its alternate arm lateral rotation, and other are respectively saved between arm and are connected by the jointed shaft 4 ' of horizontally set.In this jib connected mode, the transverse rotation by minor details arm realizes the change of casting position, and need not be realized by the rotation of slew gear, and the entirety that can reduce jib is to a certain extent rocked.Meanwhile, minor details arm can bypass obstruction 6 ', carries out cloth (as shown in Figure 4) in certain area.
But, jib connected mode shown in Fig. 3 cannot realize the cloth of the area of cloth 7 ' shown in Fig. 5 as the connected mode shown in Fig. 2 by the action of last two joint arms, must could be realized the normal cloth of area of cloth 7 ' shown in Fig. 5 by the cooperation of other jibs.Meanwhile, when high-rise operation, effective cloth height of the jib connected mode shown in Fig. 3 needs the rotation guarantee by slew gear, and efficiency is lower.
Summary of the invention
The object of the invention is to propose a kind of adjacent jib jib group that can rotate in a circumferential direction and concrete mixer, its cloth is flexible, and entirety can be avoided to rock.
For achieving the above object, the invention provides the jib group that a kind of adjacent jib can rotate in a circumferential direction, it comprises at least three joint arms, is provided with the transmission device that rotates in a circumferential direction between at least one group of adjacent two joint arms, by the described transmission device that rotates in a circumferential direction, can rotate in a circumferential direction between two adjacent joint arms.
One preferably or in embodiment, connected by the jointed shaft of horizontally set between at least one group of adjacent two joint arms, the jointed shaft of each horizontally set is parallel to each other.
, connected by the vertical jointed shaft arranged between the arm joint that minor details arm is adjacent preferably or in embodiment one.
One preferably or in embodiment, described in the transmission device that rotates in a circumferential direction be arranged between second section arm and Section of three arm.
One preferably or in embodiment, rotate in a circumferential direction described in arranging between second section arm and Section three arm transmission device, other alternate arms connect by arranging jointed shaft between saving.
One preferably or in embodiment, the described transmission device that rotates in a circumferential direction comprises worm gear, worm screw and power set, described worm gear is fixedly installed on the wherein joint arm in adjacent two joint arms, described worm gear can rotate in a circumferential direction relative to another joint arm in adjacent two joint arms, described worm screw and described worm gear engaged transmission, described power set drive and connect described worm screw.
One preferably or in embodiment, described power set are hydraulic motor.
One preferably or in embodiment, the described transmission device that rotates in a circumferential direction comprises oscillating oil cylinder, the cylinder barrel and adjacent two of described oscillating oil cylinder saves wherein saving arm and be fixedly connected with in arm, the cylinder bar and adjacent two of described oscillating oil cylinder save in arm another save arm and be fixedly connected with.
One preferably or in embodiment, the described transmission device that rotates in a circumferential direction comprises pivoting support, described pivoting support comprises revolution outer ring and revolution inner ring, wherein one saving arm and be fixedly connected with in arm is saved in described revolution outer ring and adjacent two, described revolution inner ring and adjacent two save in arm another save arm and be fixedly connected with, described revolution inner ring can rotate in a circumferential direction relative to described revolution outer ring.
For achieving the above object, present invention also offers a kind of concrete mixer, it comprises the jib group that the adjacent arms frame in above-mentioned any embodiment can rotate in a circumferential direction.
Based on technique scheme, the present invention at least has following beneficial effect:
The present invention arranges the transmission device that rotates in a circumferential direction between at least one group of adjacent two joint arms, save arm by the transmission device two that rotates in a circumferential direction can rotate in a circumferential direction, under making jib ensure the prerequisite that cloth scope is constant in the course of the work, cloth is more flexible, and can cut-through thing directly at cloth district cloth, simultaneously, the entirety also reducing jib is rocked, and improves the stability of operation and the operating efficiency of concrete mixer.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of concrete mixer of the prior art;
Fig. 2 is the structural representation of a kind of jib type of attachment of the prior art;
Fig. 3 is the structural representation of another kind of jib type of attachment of the prior art;
Fig. 4 is the schematic diagram of minor details arm cut-through thing in the jib type of attachment shown in Fig. 3;
Fig. 5 cannot realize the schematic diagram of the area of cloth of cloth for the jib type of attachment shown in Fig. 3 by last two joint arm simple motions;
Fig. 6 is the structural representation of the jib group that adjacent jib provided by the invention can rotate in a circumferential direction;
Fig. 7 is the structural representation of the first illustrative examples of the transmission device that rotates in a circumferential direction provided by the invention;
Fig. 8 is the structural representation of the second illustrative examples of the transmission device that rotates in a circumferential direction provided by the invention;
Fig. 9 is the structural representation of the 3rd illustrative examples of the transmission device that rotates in a circumferential direction provided by the invention.
Attached number in the figure:
1-first segment arm; 2-second section arm; 3-Section of three arm; 4-Section of four arm;
10-rotates in a circumferential direction transmission device; 11-worm gear; 12-worm screw; 13-cylinder barrel; 14-cylinder bar; 15-turns round outer ring; 16-turns round inner ring.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
As shown in Figure 6, for the illustrative examples of the jib group that adjacent jib provided by the invention can rotate in a circumferential direction, in this illustrative examples, jib group comprises at least three joint arms, the first segment arm 1 that having at least shown in Fig. 6 connects successively, second section arm 2, Section of three arm 3 and Section of four arm 4 are (actual when arranging, be not limited to arrange four joint arms), wherein, first segment arm 1 is minor details arm, the transmission device 10 that rotates in a circumferential direction is provided with between at least one group of adjacent two joint arms, by the described transmission device 10 that rotates in a circumferential direction, can rotate in a circumferential direction between two adjacent joint arms.
Owing to can rotate in a circumferential direction between at least one group of adjacent two joint arms in the present invention, compare traditional jib type of attachment, there is cloth flexible, do not need in specific region just can realize cloth by jib Combination Operation Modes, and do not need to rotate by slew gear the advantage just can carrying out cloth, therefore, the present invention effectively can improve the flexibility of cloth, and can cut-through thing directly at cloth district cloth, simultaneously, relative to traditional jib type of attachment, the entirety that this jib type of attachment also effectively can reduce jib is rocked, improve the stability of operation, improve the operating efficiency of concrete mixer.
In above-mentioned illustrative examples, can be connected by the jointed shaft of horizontally set between at least one group of adjacent two joint arms, the jointed shaft of each horizontally set is parallel to each other.Further, can be connected by the vertical jointed shaft arranged between the arm joint that minor details arm is adjacent.There is the rotating function realizing around pin joint by amplitude oil cylinder between adjacent two joint arms in jib group, have and realize the spinfunction of adjacent two joint arms by the transmission device 10 that rotates in a circumferential direction.
In the illustrative examples of the jib group shown in Fig. 6, the described transmission device 10 that rotates in a circumferential direction can be arranged between second section arm 2 and Section of three arm 3, or can be arranged between Section of three arm 3 and Section of four arm 4, be not limited to above-mentioned two kinds of settings, can connect by arranging jointed shaft between other adjacent two joint arms, each jointed shaft can horizontally set, and is parallel to each other, or by other types of attachment, to ensure between alternate arm also rotatable certain angle.
In the illustrative examples of the jib group that the adjacent jib provided in the invention described above can rotate in a circumferential direction, the transmission device 10 that rotates in a circumferential direction can adopt various ways, rotate in a circumferential direction as long as can meet between adjacent jib, simultaneously, this transmission device 10 that rotates in a circumferential direction preferably includes stopping and check mechanism, thus make the two joint arms that can rotate in a circumferential direction be locked at desired position securely, and the invention provides three kinds of illustrative examples of the transmission device 10 that rotates in a circumferential direction, as follows.
As shown in Figure 7, be the first illustrative examples of the transmission device 10 that rotates in a circumferential direction provided by the invention:
In the first illustrative examples rotating in a circumferential direction transmission device 10, the described transmission device 10 that rotates in a circumferential direction comprises worm gear 11, worm screw 12 and power set, described worm gear 11 is fixedly installed on the wherein joint arm in adjacent two joint arms, such as: can be arranged in adjacent two joint arms away from that joint arm of slew gear 2 ' (as shown in Figure 1), described worm gear 11 can rotate in a circumferential direction relative to another joint arm in adjacent two joint arms, and worm gear 11 can be connected by another joint arm of bearing and this, described worm screw 12 and described worm gear 11 engaged transmission, described power set drive and connect described worm screw 12, worm screw 12 is rotated and drives worm gear 11 to rotate, and then drive the arm that is fixedly connected with worm gear 11 to save to save circumferential rotation relative to the arm be adjacent.
Rotate in a circumferential direction in the first illustrative examples of transmission device 10 above-mentioned, described power set can be hydraulic motor, but are not limited to hydraulic motor, also can be other mechanical drive modes.
Such as: in one embodiment, connected by the jointed shaft of horizontally set or the vertical jointed shaft arranged between first segment arm 1 and second section arm 2, connected by the transmission device 10 that rotates in a circumferential direction between second section arm 2 and Section of three arm 3, the transmission device 10 that rotates in a circumferential direction comprises worm gear 11 and worm screw 12, worm screw 12 is by fluid motor-driven, wherein, worm gear 11 is fixedly connected with second section arm 2, worm gear 11 can rotate in a circumferential direction by relative Section of three arm 3, and finally realizing second section arm 2 can rotate in a circumferential direction around Section of three arm 3.
As shown in Figure 8, be the second illustrative examples of the transmission device 10 that rotates in a circumferential direction provided by the invention:
In the second illustrative examples rotating in a circumferential direction transmission device 10, the described transmission device 10 that rotates in a circumferential direction comprises oscillating oil cylinder, such as spiral oscillating oil cylinder, the cylinder barrel 13 and adjacent two of described oscillating oil cylinder saves wherein saving arm and be fixedly connected with in arm, the cylinder bar 14 and adjacent two of described oscillating oil cylinder save in arm another save arm and be fixedly connected with.The cylinder bar 14 of oscillating oil cylinder can rotate relative to the cylinder barrel 13 of oscillating oil cylinder, and then realizes rotating in a circumferential direction between adjacent two joint arms.
Such as: in one embodiment, be connected by oscillating oil cylinder between second section arm 2 with Section of three arm 3, wherein the cylinder barrel 13 of oscillating oil cylinder is fixed with Section of three arm 3 and is connected, and is fixedly connected with by modes such as bearing pins, and the cylinder bar 14 of oscillating oil cylinder is fixed with second section arm 2.Because the cylinder bar 14 of oscillating oil cylinder can rotate relative to cylinder barrel 13, this kind of connected mode can realize rotating in a circumferential direction between second section arm 2 and Section of three arm 3.
As shown in Figure 9, be the 3rd illustrative examples of the transmission device 10 that rotates in a circumferential direction provided by the invention:
In the 3rd illustrative examples of the transmission device 10 that rotates in a circumferential direction, the described transmission device 10 that rotates in a circumferential direction comprises pivoting support, pivoting support comprises revolution outer ring 15 and revolution inner ring 16, wherein one saving arm and be fixedly connected with in arm is saved in described revolution outer ring 15 and adjacent two, described revolution inner ring 16 and adjacent two save in arm another save arm and be fixedly connected with, described revolution inner ring 16 can rotate in a circumferential direction relative to described revolution outer ring 15.
One preferably or in embodiment, pivoting support can be driven by rotary reducer.
Such as: in one embodiment, be connected between second section arm 2 with Section of three arm 3 by pivoting support, revolution outer ring 15 is fixedly connected with second section arm 2, and revolution inner ring 16 is fixedly connected with Section of three arm 3.Can rotate in a circumferential direction between revolution outer ring 15 and revolution inner ring 16, and then realize rotating in a circumferential direction between second section arm 2 and Section of three arm 3.
The jib group that adjacent jib provided by the invention can rotate in a circumferential direction can be applied on concrete mixer or other apparatus for distributing.
In the illustrative examples of concrete mixer provided by the invention, concrete mixer comprises the jib group that the adjacent jib in above-mentioned any embodiment can rotate in a circumferential direction.
The concrete mixer of the jib group of application provided by the invention this kind of form of structure, relative to the pump truck of other numbers such as rice such as grade, dissimilar arm shelf structure form, can ensure under the prerequisite that cloth scope is constant, the flexibility of effective raising concrete pump truck arm cloth, and can cut-through thing directly at cloth district cloth, reduce the shaking volume of jib, improve the stability of operation.
In describing the invention; it will be appreciated that; the word such as " first ", " second ", " the 3rd ", " the 4th " is used to limit component; be only used to be convenient to distinguish above-mentioned parts; as there is no Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as limiting the scope of the invention.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. the adjacent jib jib group that can rotate in a circumferential direction, comprise at least three joint arms, it is characterized in that: between at least one group of adjacent two joint arms, be provided with the transmission device that rotates in a circumferential direction (10), by the described transmission device that rotates in a circumferential direction (10), can rotate in a circumferential direction between two adjacent joint arms.
2. the adjacent jib as claimed in claim 1 jib group that can rotate in a circumferential direction, is characterized in that: connected by the jointed shaft of horizontally set between at least one group of adjacent two joint arms, the jointed shaft of each horizontally set is parallel to each other.
3. the adjacent jib as claimed in claim 2 jib group that can rotate in a circumferential direction, is characterized in that: connected by the vertical jointed shaft arranged between the arm joint that minor details arm is adjacent.
4. the adjacent jib as claimed in claim 1 jib group that can rotate in a circumferential direction, is characterized in that: described in the transmission device (10) that rotates in a circumferential direction be arranged between second section arm (2) and Section of three arm (3).
5. the adjacent jib as claimed in claim 2 jib group that can rotate in a circumferential direction, it is characterized in that: rotate in a circumferential direction described in arranging between second section arm (2) and Section of three arm (3) transmission device (10), connecting by arranging jointed shaft between other alternate arms joint.
6. the jib group that the adjacent jib as described in any one of claim 1-5 can rotate in a circumferential direction, it is characterized in that: described in the transmission device (10) that rotates in a circumferential direction comprise worm gear (11), worm screw (12) and power set, described worm gear (11) is fixedly installed on the wherein joint arm in adjacent two joint arms, described worm gear (11) can rotate in a circumferential direction relative to another joint arm in adjacent two joint arms, described worm screw (12) and described worm gear (11) engaged transmission, described power set drive and connect described worm screw (12).
7. the adjacent jib as claimed in claim 6 jib group that can rotate in a circumferential direction, is characterized in that: described power set are hydraulic motor.
8. the jib group that the adjacent jib as described in any one of claim 1-5 can rotate in a circumferential direction, it is characterized in that: described in the transmission device (10) that rotates in a circumferential direction comprise oscillating oil cylinder, the cylinder barrel (13) and adjacent two of described oscillating oil cylinder saves wherein saving arm and be fixedly connected with in arm, the cylinder bar (14) and adjacent two of described oscillating oil cylinder save in arm another save arm and be fixedly connected with.
9. the jib group that the adjacent jib as described in any one of claim 1-5 can rotate in a circumferential direction, it is characterized in that: described in the transmission device (10) that rotates in a circumferential direction comprise pivoting support, described pivoting support comprises revolution outer ring (15) and revolution inner ring (16), described revolution outer ring (15) and adjacent two saves wherein saving arm and be fixedly connected with in arm, described revolution inner ring (16) and adjacent two save in arm another save arm and be fixedly connected with, described revolution inner ring (16) can rotate in a circumferential direction relative to described revolution outer ring (15).
10. a concrete mixer, is characterized in that: comprise the jib group that the adjacent arms frame as described in any one of claim 1-9 can rotate in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159272.0A CN104746876A (en) | 2015-04-03 | 2015-04-03 | Circumferential rotated adjacent arm frame type arm frame set and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159272.0A CN104746876A (en) | 2015-04-03 | 2015-04-03 | Circumferential rotated adjacent arm frame type arm frame set and concrete pump truck |
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| CN104746876A true CN104746876A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510159272.0A Pending CN104746876A (en) | 2015-04-03 | 2015-04-03 | Circumferential rotated adjacent arm frame type arm frame set and concrete pump truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435720A (en) * | 2017-09-07 | 2017-12-05 | 吴烈 | Driving joint, power arm and Versatile Construction Machinery |
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| CN102535855A (en) * | 2012-02-17 | 2012-07-04 | 三一重工股份有限公司 | Rotatable cantilever crane and concrete pump truck |
| CN203583893U (en) * | 2013-12-03 | 2014-05-07 | 中联重科股份有限公司 | Cantilever crane group of concrete pump truck and concrete pump truck |
| CN204676901U (en) * | 2015-04-03 | 2015-09-30 | 徐州徐工施维英机械有限公司 | The jib group that adjacent jib can rotate in a circumferential direction and concrete mixer |
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2015
- 2015-04-03 CN CN201510159272.0A patent/CN104746876A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202031332U (en) * | 2011-03-30 | 2011-11-09 | 北汽福田汽车股份有限公司 | Arm support mechanism for concrete pump truck |
| CN102518307A (en) * | 2011-12-29 | 2012-06-27 | 中联重科股份有限公司 | Arm section, arm support and concrete pumping equipment |
| CN102535855A (en) * | 2012-02-17 | 2012-07-04 | 三一重工股份有限公司 | Rotatable cantilever crane and concrete pump truck |
| CN203583893U (en) * | 2013-12-03 | 2014-05-07 | 中联重科股份有限公司 | Cantilever crane group of concrete pump truck and concrete pump truck |
| CN204676901U (en) * | 2015-04-03 | 2015-09-30 | 徐州徐工施维英机械有限公司 | The jib group that adjacent jib can rotate in a circumferential direction and concrete mixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107435720A (en) * | 2017-09-07 | 2017-12-05 | 吴烈 | Driving joint, power arm and Versatile Construction Machinery |
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Application publication date: 20150701 |