CN102720363A - Arm support device and concrete pump truck - Google Patents
Arm support device and concrete pump truck Download PDFInfo
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- CN102720363A CN102720363A CN2012102070796A CN201210207079A CN102720363A CN 102720363 A CN102720363 A CN 102720363A CN 2012102070796 A CN2012102070796 A CN 2012102070796A CN 201210207079 A CN201210207079 A CN 201210207079A CN 102720363 A CN102720363 A CN 102720363A
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- bend pipe
- wire rope
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- jib
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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 for the increasing demand of constructional engineering machinery especially concrete mixer.Simultaneously, also the function of concrete mixer there has been new requirement.For example, flexibility, the intelligent degree to the end hose on the terminal jib of pump truck had requirement further.
In the concrete mixer, normal terminal jib and the end hose form of structure that adopts is as shown in Figure 1: this structure mainly contains following a few part and forms: terminal jib 1, end hose 6, terminal bend pipe 4, Duct fixing clamp 5, fixed bending tube 3.5 pairs of terminal bend pipes 4 of Duct fixing clamp play the effect that is connected and locatees with fixed bending tube 3.
At the jib rounding state, end hose 6 lies in flexible pipe and supports, and relies on flexible pipe to support end hose is fixed on the terminal jib 1, and to guarantee concrete mixer in the process of moving, it is firm that end hose 6 can keep; Launch or the pumping of concrete state at jib, under the self gravitation effect, terminal bend pipe 6 rotates with respect to fixed bending tube 3 with terminal bend pipe 4, and end hose 6 is kept straight down.
This end hose form of structure has no power set, mainly relies on the action of gravity of end hose to satisfy the practical operation requirement.In jib gathering process, need the whipping end hose, so that being put into flexible pipe, supports end hose, the impact force of getting rid of pipe will increase the unstability risk of jib.In addition, under special circumstances, during like jib folded state carwash, need use external force and regain end hose.Therefore, this structure will increase labor intensity of operating personnel, and will have influence on the intelligent degree of concrete mixer.
Summary of the invention
To have no power set to drive the problem that end hose rotates in the above-mentioned prior art on the jib in order solving, to the invention provides a kind of boom device.In addition, the present invention also provides a kind of concrete mixer.
In view of this; The invention provides a kind of boom device; Comprise terminal jib, be set with the conveying straight tube on the said terminal jib, carry the end of straight tube to be connected with fixed bending tube, terminal bend pipe, end hose in turn; Said fixed bending tube is connected with said terminal bend pipe through Duct fixing clamp; Said fixed bending tube and said terminal bend pipe can relatively rotate, and also comprise the rotating driving device that is arranged between said terminal jib and the said terminal bend pipe, and said rotating driving device can drive said terminal bend pipe and said end hose rotates with respect to said fixed bending tube.
Technical scheme provided by the invention; Rotating driving device is set on jib; Rotating driving device drives said terminal bend pipe and said end hose rotates with respect to said fixed bending tube, makes end hose under driving force effect stably, regain or open, and can reduce the jib unstability risk that the impact force of getting rid of pipe when regaining jib is brought; Reduce labor intensity of operating personnel simultaneously, improve the intelligent degree of pump truck.
In technique scheme, preferably, said Duct fixing clamp is arranged on the extended line of said terminal jib.Like this, can make things convenient for being connected of fixed bending tube and terminal bend pipe, and can increase the scope of activities of end hose, improve the flexibility of cloth.
In technique scheme; Preferably; Said rotating driving device comprises driving wheel, driven pulley and wire rope, and said driving wheel is installed on the said terminal jib and by actuating unit and drives, and said driven pulley is installed on the said terminal bend pipe; Said wire rope is arranged between said driving wheel and the driven pulley; Said actuating unit drives said driving wheel and rotates, and said driving wheel drives said driven pulley through wire rope and rotates, and said driven pulley drives said terminal bend pipe and said end hose rotates.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 installing space is practiced thrift in reliable transmission simultaneously, makes that the mechanism of boom device is compact more.
In technique scheme; Preferably; Said wire rope comprises first wire rope and second wire rope; The two ends of first wire rope and second wire rope are fixed respectively and are wound on said driving wheel and the driven pulley, and first wire rope and the winding direction of said second wire rope on driving wheel and driven pulley are contrary.Adopt first wire rope and second wire rope to carry out the transmission between driving wheel and the driven pulley, can realize the transmission of positive and negative both direction, prevent to skid reliable transmission.
In technique scheme; Preferably, said rotating driving device comprises worm gear and worm screw, and said worm screw is installed on the said terminal jib and by actuating unit and drives; Said worm gear is installed on the said terminal bend pipe; Said actuating unit drives said worm screw and rotates, said worm screw through with said worm gear engaged transmission, rotate to drive said terminal bend pipe and said end hose.It is big that the worm and gear transmission has a gearratio, compact conformation, and stable drive, revesal has characteristics such as self-locking performance, and the self-locking performance characteristics can guarantee the safety of job site.
In technique scheme, preferably, be arranged with the switching pipe clamp on the said terminal bend pipe, said worm gear is fixedly mounted on the said switching pipe clamp.Worm gear is installed on the terminal bend pipe through the switching pipe clamp, and is easy to assembly.
In technique scheme; Preferably, said rotating driving device comprises first gear and second gear, and said first gear is installed on the said terminal jib and by actuating unit and drives; Said second gear is installed on the said terminal bend pipe; Said actuating unit drives said first gear and rotates, and said first gear rotates to drive said terminal bend pipe and said end hose through rotating with said second gears engaged.It is accurate that gear drive has transmission, and steadily, mechanical efficiency is high, long service life, and work safety, characteristics such as reliable, power and suitable velocity interval that gear drive is simultaneously transmitted are big, and that can satisfy end hose opens and regains job requirements.
In technique scheme; Preferably; Said rotating driving device comprises first sprocket wheel, second sprocket wheel and chain, and said first sprocket wheel is installed on the said terminal jib and by actuating unit and drives, and said second sprocket wheel is installed on the said terminal bend pipe; Said chain is sheathed on said first sprocket wheel and second sprocket wheel; Said actuating unit drives said first sprocket rotation, and said first sprocket wheel is through said second sprocket rotation of said chain drive, and said second sprocket wheel drives said terminal bend pipe and said end hose rotates.The sprocket wheel chain drive has the low characteristics of cost, can realize under the prerequisite that end hose is opened automatically and regained, and farthest reduces the repacking cost, improves productivity effect.
In technique scheme, preferably, said actuating unit is a hydraulic motor.Adopt hydraulic motor as drive unit, less to the load that jib increases, the hydraulic motor work noise is little, reliable and stable simultaneously, is convenient to control.
On the other hand, the present invention also provides a kind of concrete mixer, comprises above-mentioned boom device.
Technical scheme provided by the invention has following beneficial effect:
Drive said terminal bend pipe and said end hose rotates with respect to said fixed bending tube through rotating driving device, be in folded state, can realize the carwash demand, reduce energy consumption, realize energy-saving and emission-reduction at jib; End hose is regained under driving force effect stably, can reduce the jib unstability risk that the impact force of getting rid of pipe when drawing jib in is brought; Can not use external force and regain end hose, reduce labor intensity of operating staff, improve the intelligent degree of pump truck.
Description of drawings
Fig. 1 is the sketch map of end hose structure in the correlation technique;
Fig. 2 is the structural representation according to boom device one embodiment according to the 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 Figure 2.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 4:
1 terminal jib 2 carrier pipes 3 fixed bending tubes 4 terminal bend pipes
5 Duct fixing clamps, 6 end hoses, 71 driving wheels, 72 driven pulleys
73 wire rope, 731 first wire rope, 732 second wire rope
The specific embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.Need to prove that under the situation of not conflicting, the application's embodiment and the characteristic among the embodiment can make up each other.
A lot of details have been set forth in the following description so that make much of 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 does not receive the restriction of following disclosed specific embodiment.
Extremely shown in Figure 4 like Fig. 2; The invention provides a kind of boom device; Comprise terminal jib 1, be set with on the said terminal jib 1 and carry straight tube 2, carry the end of straight tube 2 to be connected with fixed bending tube 3, terminal bend pipe 4, end hose 6 in turn; Said fixed bending tube 3 is connected with said terminal bend pipe 4 through Duct fixing clamp 5; Said fixed bending tube 3 can relatively rotate with said terminal bend pipe 4, also comprises the rotating driving device that is arranged between said terminal jib 1 and the said terminal bend pipe 4, and said rotating driving device can drive said terminal bend pipe 4 and said end hose 6 rotates with respect to said fixed bending tube 3.
Technical scheme provided by the invention; Rotating driving device is set on jib; Rotating driving device drives terminal bend pipe and end hose rotates with respect to fixed bending tube, makes end hose under driving force effect stably, regain or open, and can reduce the jib unstability risk that the impact force of getting rid of pipe when regaining jib is brought; Reduce labor intensity of operating personnel simultaneously, improve the intelligent degree of pump truck.
As shown in Figure 2, said Duct fixing clamp 5 is arranged on the extended line of said terminal jib 1.Like this, can make things convenient for being connected of fixed bending tube and terminal bend pipe, and can increase the scope of activities of end hose, improve the flexibility of cloth.
As shown in Figures 2 and 3; Said rotating driving device comprises driving wheel 71, driven pulley 72 and wire rope 73; Said driving wheel 71 is installed on the said terminal jib 1 and is driven by actuating unit, and said driven pulley 72 is installed on one section that said terminal bend pipe 4 is connected with fixed bending tube 3, and the pivot center of driven pulley 72 is concentric with the axis of terminal bend pipe 4; Said wire rope 73 is arranged between said driving wheel 71 and the driven pulley 72; Said actuating unit drives said driving wheel 71 and rotates, and said driving wheel 71 drives said driven pulley 72 through wire rope 73 and rotates, and said driven pulley 72 drives said terminal bend pipe 4 and said end hose 6 rotates.Among this embodiment, adopt driving wheel, driven pulley and wire rope to carry out transmission, component structural is simple, and cost is low, is convenient to arrange and installs that installing space is practiced thrift in reliable transmission simultaneously, makes that the mechanism of boom device is compact more.
As shown in Figure 4; Said wire rope 73 comprises first wire rope 731 and second wire rope 732; The two ends of first wire rope 731 and second wire rope 732 are fixed respectively and are wound on said driving wheel 71 and the driven pulley 72, and first wire rope 731 is contrary with the winding direction of said second wire rope 732 on driving wheel 71 and driven pulley 72.Adopt first wire rope and second wire rope to carry out the transmission between driving wheel and the driven pulley, can realize the transmission of positive and negative both direction, prevent to skid reliable transmission.Certainly, wire rope can also have other canoe, also can reach from the purpose of positive and negative both direction transmission, repeats no more at this.In actual application, said wire rope can all twine many circles on said driving wheel 71 and driven pulley 72, can increase the rotational angle of terminal bend pipe 4 like this, and demands of applications more gears to actual circumstances.
In a preferred embodiment; The present invention can also adopt worm-and-wheel gear to carry out transmission: said rotating driving device comprises worm gear and worm screw; Said worm screw is installed on the said terminal jib 1 and by actuating unit and drives, and said worm gear is installed on the said terminal bend pipe 4, and said actuating unit drives said worm screw and rotates; Said worm screw through with said worm gear engaged transmission, rotate to drive said terminal bend pipe 4 and said end hose 6.
Further, be arranged with the switching pipe clamp on the said terminal bend pipe 4, said worm gear is fixedly mounted on the said switching pipe clamp.Worm gear is installed on the terminal bend pipe through the switching pipe clamp, and is easy to assembly.The switching pipe clamp can make worm gear and end hose couple together, and avoids worm gear to be directly installed on the end hose, causes stress to concentrate down to damaged to end hose, prolongs the application life of end hose.It is big that the worm and gear transmission has a gearratio, compact conformation, and stable drive, revesal has characteristics such as self-locking performance, and the self-locking performance characteristics can guarantee the safety of job site.
In a preferred embodiment; The present invention can also adopt gear to carry out transmission: said rotating driving device comprises first gear and second gear; Said first gear is installed on the said terminal jib 1 and by actuating unit and drives, and said second gear is installed on the said terminal bend pipe 4, and said actuating unit drives said first gear and rotates; Said first gear is through rotating with said second gears engaged, to drive said terminal bend pipe 4 and 6 rotations of said end hose.It is accurate that gear drive has transmission, and steadily, mechanical efficiency is high, long service life, and work safety, characteristics such as reliable, power and suitable velocity interval that gear drive is simultaneously transmitted are big, can satisfy the job requirements of opening and regaining of end hose.
In a preferred embodiment; The present invention can also adopt the sprocket wheel chain to carry out transmission: said rotating driving device comprises first sprocket wheel, second sprocket wheel and chain; Said first sprocket wheel is installed on the said terminal jib 1 and by actuating unit and drives; Said second sprocket wheel is installed on the said terminal bend pipe 4, and said chain is sheathed on said first sprocket wheel and second sprocket wheel, and said actuating unit drives said first sprocket rotation; Said first sprocket wheel is through said second sprocket rotation of said chain drive, and said second sprocket wheel drives said terminal bend pipe 4 and said end hose 6 rotates.The sprocket wheel chain drive has the low characteristics of cost, can realize under the prerequisite that end hose is opened automatically and regained, and farthest reduces the repacking cost, improves productivity effect.
In the above-described embodiments, said actuating unit is a hydraulic motor.Adopt hydraulic motor as drive unit, less to the load that jib increases, the hydraulic motor work noise is little, reliable and stable simultaneously, is convenient to control.Certainly, actuating unit can also adopt the combination of motor and reductor.
Moreover the present invention also provides a kind of concrete mixer, comprises the boom device in the foregoing description.
Technical scheme provided by the invention has following beneficial effect: drive said terminal bend pipe and said end hose rotates with respect to said fixed bending tube through rotating driving device; Be in folded state at jib; Can realize the carwash demand, reduce energy consumption, realize energy-saving and emission-reduction; End hose is regained under driving force effect stably, can reduce the jib unstability risk that the impact force of getting rid of pipe when drawing jib in is brought; Can not use external force and regain end hose, reduce labor intensity of operating staff, improve the intelligent degree of pump truck.
In the present invention, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. boom device; Comprise terminal jib (1); Be set with on the said terminal jib (1) and carry straight tube (2); Carry the end of straight tube (2) to be connected with fixed bending tube (3), terminal bend pipe (4), end hose (6) in turn; Said fixed bending tube (3) is connected with said terminal bend pipe (4) through Duct fixing clamp (5), and said fixed bending tube (3) and said terminal bend pipe (4) can relatively rotate, and it is characterized in that; Also comprise the rotating driving device that is arranged between said terminal jib (1) and the said terminal bend pipe (4), said rotating driving device can drive said terminal bend pipe (4) and said end hose (6) rotates with respect to said fixed bending tube (3).
2. boom device according to claim 1 is characterized in that, said Duct fixing clamp (5) is arranged on the extended line of said terminal jib (1).
3. boom device according to claim 2; It is characterized in that; Said rotating driving device comprises driving wheel (71), driven pulley (72) and wire rope (73); Said driving wheel (71) is installed in said terminal jib (1) and goes up and driven by actuating unit; Said driven pulley (72) is installed on the said terminal bend pipe (4), and said wire rope (73) is arranged between said driving wheel (71) and the driven pulley (72), and said actuating unit drives said driving wheel (71) and rotates; Said driving wheel (71) drives said driven pulley (72) through wire rope (73) and rotates, and said driven pulley (72) drives said terminal bend pipe (4) and said end hose (6) rotates.
4. boom device according to claim 3; It is characterized in that; Said wire rope (73) comprises first wire rope (731) and second wire rope (732); The two ends of first wire rope (731) and second wire rope (732) are fixed respectively and are wound on said driving wheel (71) and the driven pulley (72), and first wire rope (731) and said second wire rope (732) winding direction on driving wheel (71) and driven pulley (72) is contrary.
5. boom device according to claim 2; It is characterized in that said rotating driving device comprises worm gear and worm screw, said worm screw is installed in said terminal jib (1) and goes up and driven by actuating unit; Said worm gear is installed on the said terminal bend pipe (4); Said actuating unit drives said worm screw and rotates, said worm screw through with said worm gear engaged transmission, rotate to drive said terminal bend pipe (4) and said end hose (6).
6. boom device according to claim 5 is characterized in that, is arranged with the switching pipe clamp on the said terminal bend pipe (4), and said worm gear is fixedly mounted on the said switching pipe clamp.
7. boom device according to claim 2; It is characterized in that said rotating driving device comprises first gear and second gear, said first gear is installed in said terminal jib (1) and goes up and driven by actuating unit; Said second gear is installed on the said terminal bend pipe (4); Said actuating unit drives said first gear and rotates, and said first gear rotates to drive said terminal bend pipe (4) and said end hose (6) through rotating with said second gears engaged.
8. boom device according to claim 2; It is characterized in that; Said rotating driving device comprises first sprocket wheel, second sprocket wheel and chain, and said first sprocket wheel is installed in said terminal jib (1) and goes up and driven by actuating unit, and said second sprocket wheel is installed on the said terminal bend pipe (4); Said chain is sheathed on said first sprocket wheel and second sprocket wheel; Said actuating unit drives said first sprocket rotation, and said first sprocket wheel is through said second sprocket rotation of said chain drive, and said second sprocket wheel drives said terminal bend pipe (4) and said end hose (6) rotates.
9. according to each described boom device in the claim 3 to 8, it is characterized in that said actuating unit is a hydraulic motor.
10. a concrete mixer is characterized in that, comprises like each described boom device in the claim 1 to 9.
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 true CN102720363A (en) | 2012-10-10 |
| CN102720363B CN102720363B (en) | 2015-04-01 |
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Family Applications (1)
| 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500888A (en) * | 2016-12-09 | 2017-03-15 | 三汽车制造有限公司 | Dynamometry transmitter and concrete mixer |
| 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 support and concrete material 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 support and concrete material distribution equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500888A (en) * | 2016-12-09 | 2017-03-15 | 三汽车制造有限公司 | Dynamometry transmitter and concrete mixer |
| 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 |
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| Publication number | Publication date |
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| CN102720363B (en) | 2015-04-01 |
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