CN202064642U - Concrete pump truck and arm support device thereof - Google Patents
Concrete pump truck and arm support device thereof Download PDFInfo
- Publication number
- CN202064642U CN202064642U CN201120103652XU CN201120103652U CN202064642U CN 202064642 U CN202064642 U CN 202064642U CN 201120103652X U CN201120103652X U CN 201120103652XU CN 201120103652 U CN201120103652 U CN 201120103652U CN 202064642 U CN202064642 U CN 202064642U
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- expansion
- boom device
- arm
- jib
- arm support
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Abstract
The utility model discloses an arm support device of a concrete pump truck. The arm support device comprises at least two knuckle arms that are sequentially articulated and a driving device used for driving the knuckle arm to rotate relative to the adjacent knuckle arm, and at least one articulation point hole used for an expansion arm support is arranged at the tail end of a tail knuckle arm of the arm support device. The articulation point hole (s) can be used for connecting the expansion arm support and an expansion driving device. When the standard of an arm support on a construction site cannot meet the requirement for material distribution, the material distribution scope of the concrete pump truck can be enlarged and the material distribution height can be increased temporarily; and in the running process, a user can choose to remove the expansion arm support, so as to realize the purpose of improving the safety performance of a chassis capacity. Therefore, the arm support device can flexibly enlarge the pumping scope of the concrete pump truck, and reduce the loading weight, so as to meet the stable requirement of the running. The utility model also comprises a concrete pump truck which is provided with the arm support device.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of boom device of concrete mixer.The utility model also relates to a kind of concrete mixer that comprises above-mentioned boom device.
Background technology
Concrete mixer is meant the plant equipment that concrete pumping unit and cloth jib are housed on the car load chassis simultaneously.The concrete pumping unit is delivered to concrete pump in the conveying pipeline, and conveying pipeline is fixed on the jib, and jib turns round under the driver part effect, then can drive conveying pipeline and move to desired location, thereby with transmission and concrete transmission to the appointed place.
According to the actual cloth height of concrete mixer, pumping vehicle arm rack is typically designed to 3～5 joint arms, and the pump truck of 6 or 7 joint arms is also arranged, and after joint arm number was determined, the cloth scope of pump truck was promptly determined.Jib integral body is articulated on the getting off of concrete mixer, adjacently respectively save employing is parallel to each other between the arm articulated manner and connect, therefore, jib is in working order the time, each saves arm and can rotate under the driver part effect with respect to the adjacent segments arm, operating personnel change the overall length and the height of jib neatly according to actual cloth needs, and conveying pipeline is coordinated to the appointed place.
The rotation that jib respectively saves between the arm relies on amplitude oil cylinder to realize usually.Because amplitude oil cylinder is by hydraulic-driven, then oil cylinder needs bigger cylinder barrel sectional area, could produce the requirement of satisfying pressure and reliability, and the adjacent segments arm all needs to arrange amplitude oil cylinder, and the quantity of amplitude oil cylinder is often more than three.In order to increase the pumping scope, adopt the jib of high rice number, the number of joint arm is more, and then the number of amplitude oil cylinder increases thereupon, and therefore, the amplitude oil cylinder of concrete mixer has suitable weight usually, occupies the weight of getting on the bus of larger proportion; In addition, the jib of high rice number is applied to the Shao Qiao chassis becomes a kind of trend, and the Shao Qiao chassis is subjected to the axle load influence, in the process of moving, certainly exists the problem that weight transfinites.
Therefore, how can increase the pumping scope of concrete mixer neatly, can alleviate the weight of getting on the bus again and become those skilled in the art's technical issues that need to address.
The utility model content
A purpose of the present utility model provides a kind of boom device of concrete mixer, and the minor details arm of this boom device has the hinge hole that connects the expansion jib, can increase the pumping scope of concrete mixer neatly, can alleviate the weight of getting on the bus again.Another purpose of the present utility model provides a kind of concrete mixer that comprises above-mentioned boom device.
For reaching first purpose of the present utility model, the utility model provides a kind of boom device of concrete mixer, comprise the hinged successively joint arm of at least two joints, and driving the drive unit that described joint arm rotates with respect to the adjacent segments arm, the end of the minor details arm of described boom device has at least one hinge hole that is used to expand the joint arm.
Preferably, described boom device also comprises expansion jib and connector, and described connector connects described expansion jib and described minor details arm by described hinge hole.
Preferably, the number in described hinge hole is one, and described connector comprises the column oil cylinder, and described expansion jib is connected by described column oil cylinder with described minor details arm.
Preferably, described connector comprises expansion oil cylinder and expansion connecting rod, and the number in described hinge hole is three; Three described hinge holes connect an end and the described expansion connecting rod of described expansion jib, described expansion oil cylinder respectively; Described expansion jib connects the other end and the described expansion connecting rod of described driving oil cylinder.
Preferably, described expansion jib has connecting hole, and described expansion jib and described minor details arm are hinged by the bearing pin that runs through described hinge hole and described connecting hole.
Preferably, the locking device that also comprises described bearing pin, described locking device comprises the semicircle clamp of two symmetries, and an end of two described semicircle clamps is hinged by being parallel to the axial connecting axle of described semicircle clamp, and the other end of two described semicircle clamps passes through bolt; The outer end of described bearing pin is arranged in the circular hole that the fixing back of two described semicircle clamps forms; The external diameter of two described semicircle clamps is greater than the diameter of described hinge hole and described connecting hole.
Preferably, the other end of two described semicircle clamps all has the radially lock ear of extension, and two described lock ears have the screwed hole of coaxial setting, and described bolt inserts in the described screwed hole of two described lock ears.
Preferably, the outer end of two described lock ears all has boss, and described screwed hole is positioned at the inboard of described boss.
Preferably, the outer end of described bearing pin has radial flange, and described flange inner has chamfering, and the internal perisporium of two described semicircle clamps blocks the fillet surface and the periphery of described flange.
The end of minor details arm provided by the utility model has at least one hinge hole that is used to expand the joint arm, and the hinge hole can be used for connecting expansion jib and external drive device.When the jib specification of job site can't satisfy the cloth demand, can increase expansion jib and external drive device apace, so that increase the cloth scope of concrete mixer or improve the cloth height temporarily, in the process of moving, the user can select to expand jib again and remove, and reaches the purpose that improves chassis axle load security performance.Therefore, this boom device both can increase the concrete pump truck pumping scope flexibly, can alleviate the weight of getting on the bus again, satisfied the requirement of travelling of stability.
For reaching another purpose of the present utility model, the utility model also provides a kind of concrete mixer, comprises panoramic table and the boom device that is connected described panoramic table, and described boom device is above-mentioned each described boom device.Because above-mentioned boom device has above-mentioned technique effect, the concrete mixer with above-mentioned boom device also has constructed effect.
Description of drawings
Fig. 1 provides the structural representation of a kind of specific embodiment of boom device for the utility model;
Fig. 2 is the structural representation of minor details arm among Fig. 1;
Fig. 3 is a kind of overall structure schematic diagram that the minor details arm is connected with the expansion jib among Fig. 1;
Fig. 4 is the local enlarged diagram at A position among Fig. 3;
Fig. 5 is a minor details arm and the scheme of installation that is connected by bearing pin of expansion jib among Fig. 3;
Fig. 6 is the structural representation of locking device among Fig. 5;
Fig. 7 is the axial sectional view behind the installation bearing pin among Fig. 5.
The specific embodiment
A core of the present utility model is for providing a kind of boom device of concrete mixer, and the minor details arm of this boom device has the hinge hole that connects the expansion jib, can increase the pumping scope of concrete mixer neatly, can alleviate the weight of getting on the bus again.Another core of the present utility model is for providing a kind of concrete mixer that comprises above-mentioned boom device.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 to Fig. 4, Fig. 1 provides the structural representation of a kind of specific embodiment of boom device for the utility model; Fig. 2 is the structural representation of minor details arm among Fig. 1; Fig. 3 is a kind of overall structure schematic diagram that the minor details arm is connected with the expansion jib among Fig. 1; Fig. 4 is the local enlarged diagram at A position among Fig. 3.
Concrete pump truck arm device in this embodiment, comprise the hinged successively joint arm of at least two joints, each saves the relative adjacent segments arm of arm and can rotate, usually it is parallel hinged respectively to save arm, in same plane, realize the luffing adjusting, the transformation of angle can be realized by panoramic table, thereby concrete conveying pipeline can be turned round to assigned address, certainly, each saves arm also can be not parallel hinged, the luffing scope that promptly respectively saves arm is not limited in the same plane, in fact, can also realize respectively saving connection between the arm by other folding connected modes; Boom device comprises that also driving respectively saves the drive unit that arm rotates with respect to the adjacent segments arm, this drive unit can be the mode of oil cylinder or the cooperation of oil cylinder connecting rod, the flexible coupler link mechanism of driving oil cylinder is so that change adjacent two angles that save between the arms, certainly, drive unit also can be conventional other drive member of using in this area.
Present embodiment is an example with five joint arms, as shown in Figure 1, boom device has a joint arm 1, two joint arms 2, three joint arms 3, four joint arms 4 and five joint arms 5, then the minor details arm 5 of boom device is five joint arms, minor details arm 5 has the member that converying feeding tube is installed, such as the support of installing terminal carrier pipe flexible pipe and elbow on minor details arm 5 etc., whole boom device can be connected on the panoramic table 6; In addition, the end of minor details arm 5 has at least one hinge hole 51 that is used to expand the joint arm, hinge hole 51 can be used for connecting expansion jib 10 and external drive device, when the jib specification of job site can't satisfy the cloth demand, can increase expansion jib 10 and external drive device apace, so that increase the cloth scope of concrete mixer or improve the cloth height temporarily, in the process of moving, the user can select to expand jib 10 again and remove, and reaches the purpose that improves chassis axle load security performance.Therefore, this boom device both can increase the concrete pump truck pumping scope flexibly, can alleviate the weight of getting on the bus again, satisfied the requirement of travelling of stability.
Boom device can also comprise expansion jib 10, as shown in Figure 3, expansion jib 10 is in the car body driving process and under the general operating mode, be in the dismounting released state, when needing to enlarge the cloth scope, to expand jib 10 again and be connected with minor details arm 5, the end of minor details arm 5 has hinge hole 51, connects minor details arm 5 and expansion jib 10 for connector.Expansion jib 10 can or save arm more than the joint and form for a joint, to satisfy different cloth area requirements, certainly, the specification of expansion jib 10 should be a prerequisite to satisfy the boom device bulk strength, after connecting expansion jib 10, expansion jib 10 is converted into the minor details arm 5 of boom device, therefore, also correspondingly be provided for installing the support of elephant trunk, elbow and terminal flexible pipe on the expansion jib 10, to realize final cloth work.
The end of minor details arm 5 can only have a hinge hole 51, then expanding jib 10 can be connected by drive units such as column oil cylinder or hydraulicefficiency hinges with minor details arm 5, column oil cylinder or hydraulicefficiency hinge all can be when directly connecting expansion jib 10 and minor details arm 5, drive the two relative motion to reach the purpose of luffing, casing such as hydraulicefficiency hinge can be connected minor details arm 5 and expansion jib 10 respectively with circular shaft, during the piston motion of hydraulicefficiency hinge, casing and circular shaft relatively rotate, thereby minor details arm 5 and expansion jib 10 are relatively rotated; Only process a hinge hole 51 at minor details arm 5, processing technology is also comparatively simple.
The end of minor details arm 5 also can process two hinge holes 51, connect drive unit and expansion jib 10 respectively, a hinge hole 51 of the hinged minor details arm 5 of an end of telescopic oil cylinder, the connecting hole of the hinged expansion jib 10 of the other end, when telescopic oil cylinder stretched, expansion jib 10 rotated in the luffing plane.
Further preferred version is that end at minor details arm 5 processes three hinge holes 51, and as shown in Figure 3 and Figure 4, then minor details arm 5 can be connected by the connected mode of oil cylinder with the connecting rod cooperation with expansion jib 10.Three hinge holes 51 connect an end and the expansion connecting rod 30 of expansion jib 10, expansion oil cylinder 20 respectively; Expansion jib 10 also is articulated in the other end of expansion connecting rod 30 and expansion oil cylinder 20.The connected mode that oil cylinder cooperates with connecting rod can make minor details arm 5 bigger with the luffing scope of expansion jib 10.And the range of application of minor details arm 5 when connecting expansion jib 10 with three hinge holes 51 is more extensive, not only goes for the connected mode of oil cylinder connecting rod, is equally applicable to connected modes such as above-mentioned independent oil cylinder connected mode and column oil cylinder.Certainly, the position in three hinge holes 51 relation should be that necessity designs with the annexation of coordinating oil cylinder, expansion connecting rod 30 and expansion jib 10, so that follow-up connection and work.
Please refer to Fig. 5 to Fig. 7, Fig. 5 is a minor details arm and the scheme of installation that is connected by bearing pin of expansion jib among Fig. 3; Fig. 6 is the structural representation of locking device among Fig. 5; Fig. 7 is the axial sectional view behind the installation bearing pin among Fig. 5.
The connector of expansion jib 10 and minor details arm 5 can be a bearing pin 7, and bearing pin 7 runs through the connecting hole on hinge hole 51 and the expansion jib 10, thereby realizes the hinged of expansion jib 10 and minor details arm 5, and the bearing pin 7 shown in Fig. 7 also has housing bushing 72.In order further to guarantee to expand the hinged reliability of jib 10 and minor details arm 5, provide a kind of locking device 8 of bearing pin 7 in this embodiment.This locking device 8 comprises the semicircle clamp 81 of two symmetries, is full circle when closed; The other end of connecting axle hinged 83, the two semicircle clamps 81 of one end of two semicircle clamps 81 by being parallel to semicircle clamp 81 axis can be fixing by bolt 82.As shown in Figure 7, the outer end of bearing pin 7 is owing to need run through the hinge hole 51 of minor details arm 5 ends and the connecting hole on the expansion jib 10, then the external diameter of outer end is less than the internal diameter of hinge hole 51 and connecting hole, in order to prevent that bearing pin 7 breaks away from, make the outer end of bearing pin 7 be arranged in the circular hole that two semicircle clamps, 81 fixing backs form, at first, open two semicircle clamps 81, after it is blocked the outer end of bearing pin 7, again with the direction closure of two semicircles to close semicircle clamp 81 axis, the outer end of bearing pin 7 is clamped in the circular hole, and the external diameter of the full circle clamp that closed back forms is greater than the diameter in connecting hole or hinge hole 51, and then two semicircle clamps 81 can be with bearing pin 7 chuckings.Among this embodiment, an outer end of bearing pin 7 is blocked a side that is placed on hinge hole 51 automatically, and another outer end is by locking device 8 lockings, and in fact, the two ends of bearing pin 7 all can be by 8 lockings of this kind locking device.
In addition, chucking for the ease of two semicircle clamps 81, can process at the other end of two semicircle clamps 81 and have the radially lock ear 811 of extension, two lock ears 811 have coaxial screwed hole, then after two semicircle clamps, 81 closures, can directly screw in the screwed hole with bolt 82 insertions two lock ears 811, be convenient to practical operation.The outer end of two lock ears 811 can also process boss 812, and screwed hole is positioned at the inboard of boss 812, and then boss 812 can prevent that bolt 82 from coming off, and inboard herein refers between the hoop body of boss 812 and semicircle clamp 81.
Further, the outer end of bearing pin 7 can process radial flange 71, and the inboard of flange 71 has chamfering, and the internal perisporium of two semicircle clamps 81 blocks the fillet surface and the periphery of flange 71.As shown in Figure 7, the internal perisporium of semicircle clamp 81 has chamfering equally, and the inclined plane of this chamfering is consistent with the inclined plane of flange 71.The angle that can make the chamfering inclined plane of flange 71 and bearing pin 7 axis is less than 45 °, when locking device 8 is installed, two semicircle clamps 81 are drawn close to axis direction simultaneously, in the process that screws bolt 82, because the chamfering inclined-plane of two semicircle clamps 81 and the fillet surface of bearing pin produce relative motion, make the fillet surface of bearing pin 7 evenly stressed, two semicircle clamps 81 tighten gradually with the chamfering of bearing pin 7, thereby reach the purpose of locking; During dismounting, only need unscrew bolt 82, promptly separable two halves circle clamp 81 is with bearing pin 7 dismountings.
Except the boom device of above-mentioned concrete mixer, the utility model also provides concrete mixer, comprises panoramic table and the boom device that is connected panoramic table, and described boom device is the described boom device of above-mentioned arbitrary embodiment.Because above-mentioned boom device has above-mentioned technique effect, the concrete mixer with this boom device also has identical technique effect, does not give unnecessary details at this.
More than a kind of concrete mixer provided by the utility model and boom device thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. the boom device of a concrete mixer, comprise the hinged successively joint arm of at least two joints, and drive described joint arm with respect to the drive unit that the adjacent segments arm rotates, it is characterized in that the end of the minor details arm (5) of described boom device has at least one hinge hole (51) that is used to expand the joint arm.
2. boom device according to claim 1 is characterized in that, described boom device also comprises expansion jib (10) and connector, and described connector connects described expansion jib (10) and described minor details arm (5) by described hinge hole (51).
3. boom device according to claim 2 is characterized in that, the number in described hinge hole (51) is one, and described connector comprises the column oil cylinder, and described expansion jib (10) is connected by described column oil cylinder with described minor details arm (5).
4. boom device according to claim 2 is characterized in that, described connector comprises expansion oil cylinder (20) and expansion connecting rod (30), and the number in described hinge hole (51) is three; Three described hinge holes (51) connect an end and the described expansion connecting rod (30) of described expansion jib (10), described expansion oil cylinder (20) respectively; Described expansion jib (10) connects the other end and the described expansion connecting rod (30) of described driving oil cylinder (20).
5. according to each described boom device of claim 1 to 4, it is characterized in that, described expansion jib (10) has connecting hole, and described expansion jib (10) is hinged by the bearing pin (7) that runs through described hinge hole (51) and described connecting hole with described minor details arm (5).
6. boom device according to claim 5, it is characterized in that, the locking device (8) that also comprises described bearing pin (7), described locking device (8) comprises the semicircle clamp (81) of two symmetries, one end of two described semicircle clamps (81) is hinged by the connecting axle (83) that is parallel to described semicircle clamp (81) axis, and the other end of two described semicircle clamps (81) is fixing by bolt (82); The outer end of described bearing pin (7) is arranged in the circular hole that the fixing back of two described semicircle clamps (81) forms; The external diameter of two described semicircle clamps (81) is greater than the diameter of described hinge hole (51) and described connecting hole.
7. boom device according to claim 6, it is characterized in that, the other end of two described semicircle clamps (81) all has the radially lock ear (811) of extension, two described lock ears (811) have the screwed hole of coaxial setting, and described bolt (82) inserts in the described screwed hole of two described lock ears (811).
8. boom device according to claim 7 is characterized in that, the outer end of two described lock ears (811) all has boss (812), and described screwed hole is positioned at the inboard of described boss (812).
9. boom device according to claim 8, it is characterized in that, the outer end of described bearing pin (7) has radial flange (71), and the inboard of described flange (71) has chamfering, the fillet surface and the periphery of the described flange of internal perisporium clamping (71) of two described semicircle clamps (81).
10. a concrete mixer comprises panoramic table and the boom device that is connected described panoramic table, it is characterized in that, described boom device is each described boom device of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120103652XU CN202064642U (en) | 2011-04-11 | 2011-04-11 | Concrete pump truck and arm support device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120103652XU CN202064642U (en) | 2011-04-11 | 2011-04-11 | Concrete pump truck and arm support device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202064642U true CN202064642U (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120103652XU Expired - Fee Related CN202064642U (en) | 2011-04-11 | 2011-04-11 | Concrete pump truck and arm support device thereof |
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| Country | Link |
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| CN (1) | CN202064642U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535853A (en) * | 2012-01-31 | 2012-07-04 | 三一重工股份有限公司 | Concrete pumping equipment |
| CN102537005A (en) * | 2011-12-15 | 2012-07-04 | 中联重科股份有限公司 | Thread locking component, hinge-connected pin locking structure and concrete pump truck |
| CN102900235A (en) * | 2012-09-19 | 2013-01-30 | 三一重工股份有限公司 | Material distribution arm support, method for manufacturing material distribution arm support, and pumping equipment |
| CN104220359A (en) * | 2012-02-14 | 2014-12-17 | 西法股份公司 | Segment of an articulated arm and articulated arm comprising said segment |
-
2011
- 2011-04-11 CN CN201120103652XU patent/CN202064642U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537005A (en) * | 2011-12-15 | 2012-07-04 | 中联重科股份有限公司 | Thread locking component, hinge-connected pin locking structure and concrete pump truck |
| CN102535853A (en) * | 2012-01-31 | 2012-07-04 | 三一重工股份有限公司 | Concrete pumping equipment |
| CN102535853B (en) * | 2012-01-31 | 2014-10-15 | 三一汽车制造有限公司 | Concrete pumping equipment |
| CN104220359A (en) * | 2012-02-14 | 2014-12-17 | 西法股份公司 | Segment of an articulated arm and articulated arm comprising said segment |
| CN102900235A (en) * | 2012-09-19 | 2013-01-30 | 三一重工股份有限公司 | Material distribution arm support, method for manufacturing material distribution arm support, and pumping equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XCMG Schwing Machinery Co., Ltd. Assignor: Building Machinery Co., Ltd., XCMG Construction Machinery Co., Ltd. Contract record no.: 2013320000351 Denomination of utility model: Concrete pump truck and boom device thereof Granted publication date: 20111207 License type: Exclusive License Record date: 20130418 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: BUILDING MACHINERY CO., LTD., XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20131030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131030 Address after: 221004 Xuzhou economic and Technological Development Zone, Jiangsu Peach Road, No. 29 Patentee after: XCMG Schwing Machinery Co., Ltd. Address before: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: Building Machinery Co., Ltd., XCMG Construction Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20190411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |