CN102720363B - Arm support device and concrete pump truck - Google Patents
Arm support device and concrete pump truck Download PDFInfo
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- CN102720363B CN102720363B CN201210207079.6A CN201210207079A CN102720363B CN 102720363 B CN102720363 B CN 102720363B CN 201210207079 A CN201210207079 A CN 201210207079A CN 102720363 B CN102720363 B CN 102720363B
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- arm support
- bend pipe
- wire rope
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- pipe
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Abstract
The invention provides an arm support device comprising a tail-end arm support, a delivery straight pipe fixedly arranged on the tail-end arm support, and a fixed elbow pipe, a tail-end elbow pipe and a tail-end hose pipe, which are connected in sequence with the tail end of the delivery straight pipe, wherein the fixed elbow pipe is connected with the tail-end elbow pipe through a fixed pipe clamp, the fixed elbow pipe and the tail-end elbow pipe can rotate relative to each other, the arm support device also comprises a rotation driving device which is arranged between the tail-end arm support and the tail-end elbow pipe, and the rotation driving device can drive the tail-end arm support and the tail-end hose pipe to rotate relative to the fixed elbow pipe. The invention also provides a concrete pump truck. Owing to the rotation driving device, the tail-end hose pipe can be retracted under the action of a steady driving force, so as to reduce the risk that the arm support is unstable due to the impact force of pipe throwing during retraction of the arm support. Besides, the arm support device reduces the labor intensity of operators and increases the intelligent level of the pump truck.
Description
Technical field
The present invention relates to engineering machinery, more specifically, relate to a kind of boom device and a kind of concrete mixer.
Background technology
Along with the develop rapidly of China's economic construction, market increases day by day for the demand of constructional engineering machinery especially concrete mixer.Meanwhile, also new requirement has been had to the function of concrete mixer.Such as, further requirement has been had to the flexibility of the end hose on pump truck end arm support, intelligence degree.
In concrete mixer, the comparatively normal end arm support that adopts and end hose form of structure as shown in Figure 1: this structure mainly contains following a few part composition: end arm support 1, end hose 6, end bend pipe 4, Duct fixing clamp 5, fixed bending tube 3.Duct fixing clamp 5 pairs of end bend pipes 4 play with fixed bending tube 3 effect being connected and locating.
At jib rounding state, end hose 6 lies in flexible pipe and supports, and rely on flexible pipe to support and be fixed on end arm support 1 by end hose, to ensure that concrete mixer in the process of moving, end hose 6 can keep firm; Launch or pumping of concrete state at jib, under self gravitation effect, end bend pipe 6 and end bend pipe 4 rotate relative to fixed bending tube 3, and end hose 6 is kept straight down.
This end hose form of structure, without any power set, the main Action of Gravity Field of end hose that relies on meets practical operation requirement.In jib gathering process, need whipping end hose, be put into flexible pipe to make end hose and support, the impact force of getting rid of pipe will increase the unstability risk of jib.In addition, under special circumstances, during as arm support folding state carwash, need to use external force and regain end hose.Therefore, this structure will increase the labour intensity of operating personnel, and will have influence on the intelligence degree of concrete mixer.
Summary of the invention
In order to solve the problem in above-mentioned prior art, jib driving end hose rotation without any power set, the invention provides a kind of boom device.In addition, present invention also offers a kind of concrete mixer.
In view of this, the invention provides a kind of boom device, comprise end arm support, described end arm support is fixedly installed conveying straight tube, the end of conveying straight tube is connected with fixed bending tube in turn, end bend pipe, end hose, described fixed bending tube is connected with described end bend pipe by Duct fixing clamp, described fixed bending tube and described end bend pipe can relatively rotate, also comprise the rotating driving device be arranged between described end arm support and described end bend pipe, described rotating driving device can drive described end bend pipe and described end hose to rotate relative to described fixed bending tube.
Technical scheme provided by the invention, jib arranges rotating driving device, rotating driving device drives described end bend pipe and described end hose to rotate relative to described fixed bending tube, end hose is made to regain under stable driving force effect or open, the jib unstability risk that the impact force of getting rid of pipe when can reduce withdrawal jib is brought, reduce the labour intensity of operating personnel simultaneously, improve pump truck intelligence degree.
In technique scheme, preferably, described Duct fixing clamp is arranged on the extended line of described end arm support.Like this, the connection of fixed bending tube and end bend pipe can be facilitated, and the scope of activities of end hose can be increased, improve the flexibility of cloth.
In technique scheme, preferably, described rotating driving device comprises driving wheel, driven pulley and wire rope, described driving wheel to be arranged on described end arm support and to be driven by actuating unit, described driven pulley is arranged on described end bend pipe, described wire rope is arranged between described driving wheel and driven pulley, described actuating unit drives described driving wheel to rotate, described driving wheel is rotated by driven pulley described in Steel rope drive, and described driven pulley drives described end bend pipe and described end hose to rotate.Adopt driving wheel, driven pulley and wire rope to carry out transmission, component structural is simple, and cost is low, is convenient to arrange install, and reliable transmission, saves installing space simultaneously, makes the mechanism of boom device compacter.
In technique scheme, preferably, described wire rope comprises the first wire rope and the second wire rope, the two ends of the first wire rope and the second wire rope are fixed respectively and are wound on described driving wheel and driven pulley, and the first wire rope and the winding direction of described second wire rope on driving wheel and driven pulley are contrary.Adopt the transmission that the first wire rope and the second wire rope carry out between driving wheel and driven pulley, the transmission of positive and negative both direction can be realized, prevent from skidding, reliable transmission.
In technique scheme, preferably, described rotating driving device comprises worm gear and worm screw, described worm screw to be arranged on described end arm support and to be driven by actuating unit, described worm gear is arranged on described end bend pipe, described actuating unit drives described worm screw to rotate, described worm screw by with described worm gear engaged transmission, rotate to drive described end bend pipe and described end hose.It is large that Worm Wheel System has gearratio, and compact conformation, stable drive, revesal has the features such as self-locking performance, and self-locking performance feature can ensure the safety of job site.
In technique scheme, preferably, described end bend pipe is arranged with switching pipe clamp, described worm gear is fixedly mounted on described switching pipe clamp.Worm gear is arranged on end bend pipe by switching pipe clamp, easy to assembly.
In technique scheme, preferably, described rotating driving device comprises the first gear and the second gear, described first gear to be arranged on described end arm support and to be driven by actuating unit, described second gear is arranged on described end bend pipe, described actuating unit drives described first pinion rotation, and described first gear, by rotating with described second gears meshing, rotates to drive described end bend pipe and described end hose.Gear drive has that transmission is accurate, and steadily, mechanical efficiency is high, long service life, work safety, the feature such as reliable, the power that gear drive is simultaneously transmitted and applicable velocity interval large, opening and regaining job requirements of end hose can be met.
In technique scheme, preferably, described rotating driving device comprises the first sprocket wheel, the second sprocket wheel and chain, described first sprocket wheel to be arranged on described end arm support and to be driven by actuating unit, described second sprocket wheel is arranged on described end bend pipe, described chain is sheathed on described first sprocket wheel and the second sprocket wheel, described actuating unit drives described first sprocket rotation, described first sprocket wheel is by the second sprocket rotation described in described chain drive, and described second sprocket wheel drives described end bend pipe and described end hose to rotate.Sprocket wheel chain drive has the low feature of cost, under the prerequisite that can automatically open realizing end hose and regain, farthest reduces repacking cost, improves productivity effect.
In technique scheme, preferably, described actuating unit is hydraulic motor.Adopt hydraulic motor as drive unit, the load increased jib is less, and hydraulic motor work noise is little, reliable and stable simultaneously, is convenient to manipulation.
On the other hand, present invention also offers a kind of concrete mixer, comprise above-mentioned boom device.
Technical scheme provided by the invention, has following beneficial effect:
Drive described end bend pipe and described end hose to rotate relative to described fixed bending tube by rotating driving device, be in folded state at jib, carwash demand can be realized, reduce energy ezpenditure, realize energy-saving and emission-reduction; End hose is regained under stable driving force effect, the jib unstability risk that the impact force of getting rid of pipe when can reduce gathering jib is brought; External force can not be used and regain end hose, reduce labor intensity of operating staff, improve pump truck intelligence degree.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of end hose structure in correlation technique;
Fig. 2 is the structural representation according to boom device one embodiment of the present invention;
Fig. 3 is the schematic top plan view of structure shown in Fig. 2;
Fig. 4 is the fundamental diagram of structure shown in Fig. 2.
Wherein, the corresponding relation in Fig. 1 to Fig. 4 between Reference numeral and component names is:
1 end arm support 2 carries straight tube 3 fixed bending tube 4 end bend pipe
5 Duct fixing clamp 6 end hose 71 driving wheel 72 driven pulleys
73 wire rope 731 first wire rope 732 second wire rope
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
As shown in Figures 2 to 4, the invention provides a kind of boom device, comprise end arm support 1, described end arm support 1 is fixedly installed conveying straight tube 2, the end of conveying straight tube 2 is connected with fixed bending tube 3 in turn, end bend pipe 4, end hose 6, described fixed bending tube 3 is connected with described end bend pipe 4 by Duct fixing clamp 5, described fixed bending tube 3 and described end bend pipe 4 can relatively rotate, also comprise the rotating driving device be arranged between described end arm support 1 and described end bend pipe 4, described rotating driving device can drive described end bend pipe 4 and described end hose 6 to rotate relative to described fixed bending tube 3.
Technical scheme provided by the invention, jib arranges rotating driving device, rotating driving device drives end bend pipe and end hose to rotate relative to fixed bending tube, end hose is made to regain under stable driving force effect or open, the jib unstability risk that the impact force of getting rid of pipe when can reduce withdrawal jib is brought, reduce the labour intensity of operating personnel simultaneously, improve pump truck intelligence degree.
As shown in Figure 2, described Duct fixing clamp 5 is arranged on the extended line of described end arm support 1.Like this, the connection of fixed bending tube and end bend pipe can be facilitated, and the scope of activities of end hose can be increased, improve the flexibility of cloth.
As shown in Figures 2 and 3, described rotating driving device comprises driving wheel 71, driven pulley 72 and wire rope 73, described driving wheel 71 to be arranged on described end arm support 1 and to be driven by actuating unit, described driven pulley 72 is arranged on one section that described end bend pipe 4 is connected with fixed bending tube 3, the pivot center of driven pulley 72 is concentric with the axis of end bend pipe 4, described wire rope 73 is arranged between described driving wheel 71 and driven pulley 72, described actuating unit drives described driving wheel 71 to rotate, described driving wheel 71 drives described driven pulley 72 to rotate by wire rope 73, described driven pulley 72 drives described end bend pipe 4 and described end hose 6 to rotate.In this embodiment, adopt driving wheel, driven pulley and wire rope to carry out transmission, component structural is simple, and cost is low, and be convenient to arrange and install, reliable transmission, saves installing space simultaneously, makes the mechanism of boom device compacter.
As shown in Figure 4, described wire rope 73 comprises the first wire rope 731 and the second wire rope 732, the two ends of the first wire rope 731 and the second wire rope 732 are fixed respectively and are wound on described driving wheel 71 and driven pulley 72, and the first wire rope 731 and the winding direction of described second wire rope 732 on driving wheel 71 and driven pulley 72 are contrary.Adopt the transmission that the first wire rope and the second wire rope carry out between driving wheel and driven pulley, the transmission of positive and negative both direction can be realized, prevent from skidding, reliable transmission.Certainly, wire rope can also have other canoe, also can reach the object from positive and negative both direction transmission, not repeat them here.In actual application, described wire rope all can be wound around multi-turn on described driving wheel 71 and driven pulley 72, can increase the rotational angle of end bend pipe 4 like this, the demand of the application that more gears to actual circumstances.
In a preferred embodiment, the present invention can also adopt worm-and-wheel gear to carry out transmission: described rotating driving device comprises worm gear and worm screw, described worm screw to be arranged on described end arm support 1 and to be driven by actuating unit, described worm gear is arranged on described end bend pipe 4, described actuating unit drives described worm screw to rotate, described worm screw by with described worm gear engaged transmission, rotate to drive described end bend pipe 4 and described end hose 6.
Further, described end bend pipe 4 is arranged with switching pipe clamp, described worm gear is fixedly mounted on described switching pipe clamp.Worm gear is arranged on end bend pipe by switching pipe clamp, easy to assembly.Switching pipe clamp can make worm gear and end hose couple together, and avoids worm gear to be directly installed on end hose, causes stress to concentrate so that damaged, extend the application life of end hose to end hose.It is large that Worm Wheel System has gearratio, and compact conformation, stable drive, revesal has the features such as self-locking performance, and self-locking performance feature can ensure the safety of job site.
In a preferred embodiment, the present invention can also adopt gear to carry out transmission: described rotating driving device comprises the first gear and the second gear, described first gear to be arranged on described end arm support 1 and to be driven by actuating unit, described second gear is arranged on described end bend pipe 4, described actuating unit drives described first pinion rotation, described first gear, by rotating with described second gears meshing, rotates to drive described end bend pipe 4 and described end hose 6.Gear drive has that transmission is accurate, and steadily, mechanical efficiency is high, long service life, work safety, the feature such as reliable, the power that gear drive is simultaneously transmitted and applicable velocity interval large, the job requirements opened and regain of end hose can be met.
In a preferred embodiment, the present invention can also adopt sprocket wheel chain to carry out transmission: described rotating driving device comprises the first sprocket wheel, second sprocket wheel and chain, described first sprocket wheel to be arranged on described end arm support 1 and to be driven by actuating unit, described second sprocket wheel is arranged on described end bend pipe 4, described chain is sheathed on described first sprocket wheel and the second sprocket wheel, described actuating unit drives described first sprocket rotation, described first sprocket wheel is by the second sprocket rotation described in described chain drive, described second sprocket wheel drives described end bend pipe 4 and described end hose 6 to rotate.Sprocket wheel chain drive has the low feature of cost, under the prerequisite that can automatically open realizing end hose and regain, farthest reduces repacking cost, improves productivity effect.
In the above-described embodiments, described actuating unit is hydraulic motor.Adopt hydraulic motor as drive unit, the load increased jib is less, and hydraulic motor work noise is little, reliable and stable simultaneously, is convenient to manipulation.Certainly, actuating unit can also adopt the combination of motor and reductor.
Moreover, present invention also offers a kind of concrete mixer, comprise the boom device in above-described embodiment.
Technical scheme provided by the invention has following beneficial effect: drive described end bend pipe and described end hose to rotate relative to described fixed bending tube by rotating driving device, folded state is at jib, carwash demand can be realized, reduce energy ezpenditure, realize energy-saving and emission-reduction; End hose is regained under stable driving force effect, the jib unstability risk that the impact force of getting rid of pipe when can reduce gathering jib is brought; External force can not be used and regain end hose, reduce labor intensity of operating staff, improve pump truck intelligence degree.
In the present invention, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a boom device, comprise end arm support (1), described end arm support (1) is fixedly installed conveying straight tube (2), the end of conveying straight tube (2) is connected with fixed bending tube (3) in turn, end bend pipe (4), end hose (6), described fixed bending tube (3) is connected with described end bend pipe (4) by Duct fixing clamp (5), described fixed bending tube (3) and described end bend pipe (4) can relatively rotate, it is characterized in that, also comprise the rotating driving device be arranged between described end arm support (1) and described end bend pipe (4), described rotating driving device can drive described end bend pipe (4) and described end hose (6) to rotate relative to described fixed bending tube (3).
2. boom device according to claim 1, is characterized in that, described Duct fixing clamp (5) is arranged on the extended line of described end arm support (1).
3. boom device according to claim 2, it is characterized in that, described rotating driving device comprises driving wheel (71), driven pulley (72) and wire rope (73), described driving wheel (71) is arranged on described end arm support (1) and goes up and driven by actuating unit, described driven pulley (72) is arranged on described end bend pipe (4), described wire rope (73) is arranged between described driving wheel (71) and driven pulley (72), described actuating unit drives described driving wheel (71) to rotate, described driving wheel (71) drives described driven pulley (72) to rotate by wire rope (73), described driven pulley (72) drives described end bend pipe (4) and described end hose (6) to rotate.
4. boom device according to claim 3, it is characterized in that, described wire rope (73) comprises the first wire rope (731) and the second wire rope (732), the two ends of the first wire rope (731) and the second wire rope (732) are fixed respectively and are wound on described driving wheel (71) and driven pulley (72), and the first wire rope (731) and the winding direction of described second wire rope (732) on driving wheel (71) and driven pulley (72) are contrary.
5. boom device according to claim 2, it is characterized in that, described rotating driving device comprises worm gear and worm screw, described worm screw is arranged on described end arm support (1) and goes up and driven by actuating unit, described worm gear is arranged on described end bend pipe (4), described actuating unit drives described worm screw to rotate, described worm screw by with described worm gear engaged transmission, rotate to drive described end bend pipe (4) and described end hose (6).
6. boom device according to claim 5, is characterized in that, described end bend pipe (4) is arranged with switching pipe clamp, and described worm gear is fixedly mounted on described switching pipe clamp.
7. boom device according to claim 2, it is characterized in that, described rotating driving device comprises the first gear and the second gear, described first gear is arranged on described end arm support (1) and goes up and driven by actuating unit, described second gear is arranged on described end bend pipe (4), described actuating unit drives described first pinion rotation, and described first gear, by rotating with described second gears meshing, rotates to drive described end bend pipe (4) and described end hose (6).
8. boom device according to claim 2, it is characterized in that, described rotating driving device comprises the first sprocket wheel, second sprocket wheel and chain, described first sprocket wheel is arranged on described end arm support (1) and goes up and driven by actuating unit, described second sprocket wheel is arranged on described end bend pipe (4), described chain is sheathed on described first sprocket wheel and the second sprocket wheel, described actuating unit drives described first sprocket rotation, described first sprocket wheel is by the second sprocket rotation described in described chain drive, described second sprocket wheel drives described end bend pipe (4) and described end hose (6) to rotate.
9. the boom device according to any one of claim 3 to 8, is characterized in that, described actuating unit is hydraulic motor.
10. a concrete mixer, is characterized in that, comprises boom device as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210207079.6A CN102720363B (en) | 2012-06-21 | 2012-06-21 | Arm support device and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210207079.6A CN102720363B (en) | 2012-06-21 | 2012-06-21 | Arm support device and concrete pump truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720363A CN102720363A (en) | 2012-10-10 |
| CN102720363B true CN102720363B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210207079.6A Active CN102720363B (en) | 2012-06-21 | 2012-06-21 | Arm support device and concrete pump truck |
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| Country | Link |
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| CN (1) | CN102720363B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500888B (en) * | 2016-12-09 | 2022-03-25 | 三一汽车制造有限公司 | Force measuring transmitter and concrete pump truck |
| CN116101490A (en) * | 2023-04-11 | 2023-05-12 | 杭州领飞科技有限公司 | Fire control unmanned aerial vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01187265A (en) * | 1988-01-22 | 1989-07-26 | Kyokuto Kaihatsu Kogyo Co Ltd | Housing structure of hose for placing concrete in concrete pumping car |
| US5026214A (en) * | 1989-07-13 | 1991-06-25 | Beck Iii August H | Apparatus for placing cementitious materials in earth excavations |
| JPH108720A (en) * | 1996-06-23 | 1998-01-13 | Susumu Tokuoka | Boom front end conveying hose right and left reciprocating movement and swiveling device of reciprocating movement device |
| CN101839066A (en) * | 2010-06-11 | 2010-09-22 | 三一重工股份有限公司 | Tail end hose device, concrete pump vehicle and pipeline transporter |
| CN102494221A (en) * | 2011-12-07 | 2012-06-13 | 中联重科股份有限公司 | Elastic damper, material distribution arm rest and concrete distribution equipment |
| CN102502265A (en) * | 2011-09-30 | 2012-06-20 | 三一重工股份有限公司 | End hose, end hose stiffness control system and pipeline transportation machinery |
-
2012
- 2012-06-21 CN CN201210207079.6A patent/CN102720363B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01187265A (en) * | 1988-01-22 | 1989-07-26 | Kyokuto Kaihatsu Kogyo Co Ltd | Housing structure of hose for placing concrete in concrete pumping car |
| US5026214A (en) * | 1989-07-13 | 1991-06-25 | Beck Iii August H | Apparatus for placing cementitious materials in earth excavations |
| JPH108720A (en) * | 1996-06-23 | 1998-01-13 | Susumu Tokuoka | Boom front end conveying hose right and left reciprocating movement and swiveling device of reciprocating movement device |
| CN101839066A (en) * | 2010-06-11 | 2010-09-22 | 三一重工股份有限公司 | Tail end hose device, concrete pump vehicle and pipeline transporter |
| CN102502265A (en) * | 2011-09-30 | 2012-06-20 | 三一重工股份有限公司 | End hose, end hose stiffness control system and pipeline transportation machinery |
| CN102494221A (en) * | 2011-12-07 | 2012-06-13 | 中联重科股份有限公司 | Elastic damper, material distribution arm rest and concrete distribution equipment |
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| Publication number | Publication date |
|---|---|
| CN102720363A (en) | 2012-10-10 |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130513 |
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Effective date of registration: 20130513 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant before: Sanyi Heavy Industry Co., Ltd. |
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