CN103522899B - Oil pump power takeoff and concrete pump truck - Google Patents
Oil pump power takeoff and concrete pump truck Download PDFInfo
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- CN103522899B CN103522899B CN201310511663.5A CN201310511663A CN103522899B CN 103522899 B CN103522899 B CN 103522899B CN 201310511663 A CN201310511663 A CN 201310511663A CN 103522899 B CN103522899 B CN 103522899B
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Abstract
The invention discloses a kind of oil pump power takeoff and concrete pump truck, relate to technical field of engineering machinery.Solve prior art and there is the higher technical matters of cost.This oil pump power takeoff comprises main pump power takeoff and arm-pump power takeoff, and the power input shaft of main pump power takeoff and arm-pump power takeoff power takeoff is separately connected with two power take-off shafts of the change speed gear box on the chassis of concrete pump truck respectively; The power take-off shaft of the power takeoff of main pump power takeoff drives main pump to run by the transmission device of main pump power takeoff; The power take-off shaft of the power takeoff of arm-pump power takeoff drives arm-pump to run by the transmission device of arm-pump power takeoff.This concrete pump truck comprises chassis, subframe, oil pump power takeoff provided by the invention and exercises axle drive shaft.The present invention for reducing the cost of oil pump power takeoff, and improves its reliability.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of oil pump power takeoff and the concrete pump truck of this oil pump power takeoff is set.
Background technology
At present, domestic pump truck industry is all carry out Power output by auxiliary gear box and be delivered on main pump and arm-pump.Main pump is the oil pump device of concrete pumping machinery for pumping.Arm-pump is the oil pump device of concrete pumping machinery for arm support folding, rotation.
Can be switched traveling and pumping two states by auxiliary gear box, realize vehicle and travel and pump concrete two kinds of functions.Use auxiliary gear box cost higher, and auxiliary gear box fault rate is high, once et out of order, changes quite complicated.
At present, domestic concrete pump truck manufacturer adopts oil pump power takeoff as shown in Figure 1 usually, this device is by chassis ridgepole 61, support 62, support 63, support 64, support 65, bumper 66, auxiliary gear box 67, main pump 68, arm-pump 69, and input shaft 70 and take-off (propeller) shaft 71 form.Support 64, support 65 are installed together by bolt and auxiliary gear box 67, main pump 8 is arranged on auxiliary gear box 67, drop on support 62 and support 63 by bumper 66 after support 64, support 65, auxiliary gear box 67 and main pump 68 are assembled together, by transmission shaft 70 by transmission of power to auxiliary gear box 67, auxiliary gear box 67 has two kinds of mode of operations:
1, pumping state, power is input on arm-pump 69 and main pump 68, drives arm-pump 69 and these two operation of oil pumps of main pump 68;
2, motoring condition, power exports from take-off (propeller) shaft 71, and driving pump car travels.
At least there is following technical matters in prior art:
The oil pump power takeoff that prior art provides is on the one hand because auxiliary gear box cost is more expensive, and fault rate is higher, meanwhile, auxiliary gear box is arranged in the middle of chassis ridgepole, service clearance is little, change difficulty, waste time and energy, on the other hand, former car transmission shaft (can be cut off during repacking by former car driving device repacking, auxiliary gear box is increased at cut-off part) after, automobile reliability can decrease, and causes complete vehicle fault to take place frequently.Auxiliary gear box weight is large,
Summary of the invention
One of them object of the present invention is the concrete pump truck proposing a kind of oil pump power takeoff and arrange this oil pump power takeoff, solves prior art and there is the higher technical matters of cost.Many technique effects that optimal technical scheme of the present invention can produce refer to hereafter sets forth.
For achieving the above object, the invention provides following technical scheme:
Oil pump power takeoff provided by the invention, comprises main pump power takeoff and arm-pump power takeoff, and described main pump power takeoff and arm-pump power takeoff include power takeoff and transmission device separately, wherein:
The power input shaft of described main pump power takeoff and described arm-pump power takeoff power takeoff is separately connected with two power take-off shafts of the change speed gear box on the chassis of concrete pump truck respectively;
The power take-off shaft of the power takeoff of described main pump power takeoff drives main pump to run by the transmission device of described main pump power takeoff;
The power take-off shaft of the power takeoff of described arm-pump power takeoff drives arm-pump to run by the transmission device of described arm-pump power takeoff.
In one preferably or alternatively embodiment, the power takeoff of described main pump power takeoff is Full-power takeoff, and the power takeoff of described arm-pump power takeoff is change speed gear box power takeoff.
In one preferably or alternatively embodiment, described main pump power takeoff also comprises left socle, right support, shock absorber and main pump bracket, wherein:
Described main pump is detachably fixedly connected with described main pump bracket;
Described main pump bracket is detachably fixedly connected with described left socle, described right support by described shock absorber;
Described left socle is all detachably fixedly connected with the crossbeam on the chassis of described concrete pump truck with described right support.
In one preferably or alternatively embodiment, the transmission device of described main pump power takeoff comprises at least two transmission shafts.
In one preferably or alternatively embodiment, described transmission device comprises four transmission shafts, in two described transmission shafts in four described transmission shafts, wherein one end is connected with the power take-off shaft of described Full-power takeoff on a described transmission shaft axial direction, and wherein on transmission shaft axial direction described in another root, one end is connected with the power intake of described main pump;
Be connected by remaining two described transmission shafts between two described transmission shafts other end separately on axial direction.
In one preferably or alternatively embodiment, between described transmission shaft with described transmission shaft, described transmission shaft and the power take-off shaft of described Full-power takeoff and all being formed with bolt by flange between described transmission shaft and the power intake of described main pump be detachably fixedly connected with.
In one preferably or alternatively embodiment, the transmission device of described arm-pump power takeoff is transmission shaft, and the two ends on described transmission shaft axial direction are connected with the power take-off shaft of described change speed gear box power takeoff, the power intake of described arm-pump respectively.
In one preferably or alternatively embodiment, all to be formed with bolt by flange between described transmission shaft and the power take-off shaft of described change speed gear box power takeoff and between described transmission shaft and the power intake of described arm-pump and be detachably fixedly connected with.
In one preferably or alternatively embodiment, described arm-pump is detachably fixedly connected with the subframe of described concrete pump truck.
Concrete pump truck provided by the invention, comprise chassis, subframe, oil pump power takeoff that the arbitrary technical scheme of the present invention provides and the enforcement axle drive shaft for driving described concrete pump truck to exercise, change speed gear box on described chassis is provided with three power take-off shafts, wherein:
A wherein power take-off shaft of the change speed gear box on described chassis is connected with described enforcement axle drive shaft;
A wherein power take-off shaft of the change speed gear box on described chassis is connected with the power input shaft of the power takeoff of described main pump power takeoff;
A wherein power take-off shaft of the change speed gear box on described chassis is connected with the power input shaft of the power takeoff of described arm-pump power takeoff.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Oil pump power takeoff provided by the invention uses power takeoff to instead of the auxiliary gear box used in prior art, and power takeoff not only cost is lower, and is convenient to change, keep in repair, and solves prior art and there is the higher technical matters of cost.Meanwhile, the present invention without the need to the transmission device that destroys former car and carry namely without the need to disconnecting the transmission shaft of former car, so the reliability of transmission shaft and longer service life.
Optimal technical scheme of the present invention compared with prior art at least can also produce following technique effect:
1, the overall own wt of oil pump power takeoff of the present invention is comparatively light, and does not need auxiliary gear box, and weight significantly reduces, and greatly reduces the requirement of strength design of fixing power takeoff desired structure part;
2, the transmission device adopting technical scheme provided by the invention not destroy former car to carry, broken traditional being disconnected by former car transmission shaft, by the method for transfer case taking-force, reliability promotes greatly; Again this, this device manufacture, maintenance cost are low, easy for installation, are convenient to maintenance.
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 a schematic diagram of oil pump power takeoff in prior art;
Fig. 2 is another schematic diagram of oil pump power takeoff in prior art;
A schematic diagram of the oil pump power takeoff that Fig. 3 provides for the embodiment of the present invention;
Another schematic diagram of the oil pump power takeoff that Fig. 4 provides for the embodiment of the present invention;
Reference numeral: 1, main pump; 11, power takeoff; 121, left socle; 122, right support; 123, shock absorber; 124, main pump bracket; 13, transmission shaft; 2, arm-pump; 21, power takeoff; 22, transmission shaft; 3, the crossbeam on chassis; 5, axle drive shaft is exercised; 61, chassis ridgepole; 62, support; 63, support; 64, support; 65, support; 66, shock absorber; 67, auxiliary gear box; 68, main pump; 69, arm-pump; 70, transmission shaft; 71, transmission shaft; 73, the transmission device that carries of former car.
Detailed description of the invention
Content of the present invention and the distinctive points between the present invention and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 4 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present invention and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means provided by the invention can be carried out replacing or two or more technological means or technical characteristic arbitrarily provided by the invention being carried out mutually combining and obtain new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit the scope of the invention, protection scope of the present invention should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art new technical scheme that two or more technological means or technical characteristic arbitrarily provided by the invention are carried out mutually combining and obtain.
Embodiments provide a kind of with low cost, lightweight, be convenient to the oil pump power takeoff that keeps in repair and install and the concrete pump truck of this oil pump power takeoff be set.
Below in conjunction with the elaboration that Fig. 3 ~ Fig. 4 carries out specifically to technical scheme provided by the invention.
As shown in Fig. 3 ~ Fig. 4, the device that the embodiment of the present invention provides, comprise main pump power takeoff and arm-pump power takeoff, main pump power takeoff and arm-pump power takeoff include power takeoff (power takeoff comprises power takeoff 11 and power takeoff 21) and transmission device separately, wherein:
The power input shaft of main pump power takeoff and arm-pump power takeoff power takeoff is separately connected with two power take-off shafts of the change speed gear box on the chassis of concrete pump truck respectively.
The power take-off shaft of the power takeoff of main pump power takeoff drives main pump 1 to run by the transmission device of main pump power takeoff.
The power take-off shaft of the power takeoff of arm-pump power takeoff drives arm-pump 2 to run by the transmission device of arm-pump power takeoff.
Oil pump power takeoff provided by the invention uses power takeoff (power takeoff comprises power takeoff 11 and power takeoff 21) to instead of the auxiliary gear box used in prior art, and power takeoff not only cost is lower, and is convenient to change, keep in repair.Meanwhile, the present invention without the need to the transmission device 73 that destroys former car and carry namely without the need to disconnecting the transmission shaft of former car, so the reliability of transmission shaft and longer service life.
As one preferably or alternatively embodiment, the power takeoff 11 of main pump power takeoff is preferably Full-power takeoff, and the power takeoff 21 of arm-pump power takeoff is preferably change speed gear box power takeoff.Full-power takeoff and change speed gear box power takeoff are all power takeoff, and full-power torque ratio is comparatively large, and change speed gear box power takeoff moment of torsion is little.
As one preferably or alternatively embodiment, main pump power takeoff also comprises left socle 121, right support 122, shock absorber 123 and main pump bracket 124, wherein:
Main pump 1 is detachably fixedly connected with main pump bracket 124 (mention herein all be detachably fixedly connected with unless otherwise indicated preferably with bolts).
Main pump bracket 124 is detachably fixedly connected with left socle 121, right support 122 by shock absorber 123.
Left socle 121 and right support 122 are all detachably fixedly connected with the crossbeam 3 on the chassis of concrete pump truck.
Shock absorber 123 avoids main pump 1 to damage because of vibration.Left socle 121, right support 122 on average can share the weight coming from main pump 1 that main pump bracket 124 is born.
As one preferably or alternatively embodiment, the transmission device of main pump power takeoff comprises at least two transmission shafts 13.Transmission device preferably comprises four transmission shafts 13, in two transmission shafts 13 in four transmission shafts 13, wherein one end is connected with the power take-off shaft (power take-off shaft also claims: clutch end) of Full-power takeoff on transmission shaft 13 axial direction, and wherein on another root transmission shaft 13 axial direction, one end is connected with the power intake of main pump 1.Be connected by remaining two transmission shafts 13 between the other end on two respective axial directions of transmission shaft 13.
The transmission device of many transmission shaft 13 compositions can make the transmission of transmission device distance larger.
As one preferably or alternatively embodiment, between transmission shaft 13 with transmission shaft 13, transmission shaft 13 and the power take-off shaft of Full-power takeoff and all being formed with bolt by flange between transmission shaft 13 and the power intake of main pump 1 be detachably fixedly connected with.
Flange and bolt are formed and are detachably fixedly connected with easy for installation, reliable and compact conformation.
As one preferably or alternatively embodiment, the transmission device of arm-pump power takeoff is transmission shaft 22, and the two ends on transmission shaft 22 axial direction are connected with the power take-off shaft of change speed gear box power takeoff, the power intake of arm-pump 2 respectively.
The transmission of transmission shaft 13 is distant, and in transmission process, waste of power is little.
As one preferably or alternatively embodiment, all to be formed with bolt by flange between transmission shaft 22 and the power take-off shaft of change speed gear box power takeoff and between transmission shaft 22 and the power intake of arm-pump 2 and be detachably fixedly connected with.
As one preferably or alternatively embodiment, arm-pump 2 is detachably fixedly connected with the subframe of concrete pump truck.On subframe, installing space is more abundant, is suitable for installing arm-pump 2.
Certainly, arm-pump 2 is fixed on the crossbeam 3 on chassis, main pump 1 is fixed on technical scheme on subframe also within protection scope of the present invention.
Concentrate below and the preferred two cover oil pump power takeoffs of lower concrete pump truck provided by the invention be described:
1. main pump power takeoff is formed primarily of left socle 121, right support 122, shock absorber 123 and main pump bracket 124, main pump 1, Full-power takeoff and power takeoff 11 and transmission shaft 13.Main pump bracket 124 is assembled by bolt and main pump 1, left socle 121 and right support 122 is assembled together by shock absorber 123, is lifted on pump truck chassis after these Assembly of the parts complete, and is assembled together by the crossbeam 3 on bolt and chassis.Be connected with Full-power takeoff and power takeoff 11 by four transmission shafts 13, power is delivered on main pump 1 by power takeoff and power takeoff 11.
2. arm-pump power takeoff is made up of change speed gear box power takeoff and power takeoff 21, transmission shaft 22 and arm-pump 2.Arm-pump 2 fixed support is arranged on subframe, is connected with change speed gear box power takeoff and power takeoff 21 by transmission shaft 22, and power is delivered on arm-pump 2 by change speed gear box power takeoff and power takeoff 21.
Oil pump power takeoff provided by the invention does not destroy the transmission device 73 that former car carries, and has broken traditional being disconnected by former car transmission shaft, by the method for transfer case taking-force, manufactures, maintenance cost is low, easy for installation, be convenient to maintenance.
As shown in Figure 3 and Figure 4, the concrete pump truck that the embodiment of the present invention provides, comprise chassis, subframe, oil pump power takeoff that the arbitrary technical scheme of the present invention provides and the enforcement axle drive shaft 5 for driving concrete pump truck to exercise, the change speed gear box on chassis is provided with three power take-off shafts, wherein:
A wherein power take-off shaft of the change speed gear box on described chassis is connected with enforcement axle drive shaft 5.
A wherein power take-off shaft of the change speed gear box on described chassis is connected with the power input shaft of the power takeoff 11 of main pump power takeoff.
A wherein power take-off shaft of the change speed gear box on described chassis is connected with the power input shaft of the power takeoff 21 of arm-pump power takeoff.
Because change speed gear box exists three power take-off shafts, thereby eliminating destruction, reequip transmission device 73 that former car carries to install necessity of auxiliary gear box, and then it also avoid destruction, reequip the transmission device 73 that former car carries and the damage that it is caused.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values with casehistory technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if the invention described above discloses or relate to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use foundry technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent component part, and also can be one of the forming manufacture technics separate part out.
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. an oil pump power takeoff, is characterized in that, comprises main pump power takeoff and arm-pump power takeoff, and described main pump power takeoff and arm-pump power takeoff include power takeoff and transmission device separately, wherein:
The power input shaft of described main pump power takeoff and described arm-pump power takeoff power takeoff is separately connected with two power take-off shafts of the change speed gear box on the chassis of concrete pump truck respectively;
The power take-off shaft of the power takeoff of described main pump power takeoff drives main pump to run by the transmission device of described main pump power takeoff;
The power take-off shaft of the power takeoff of described arm-pump power takeoff drives arm-pump to run by the transmission device of described arm-pump power takeoff.
2. oil pump power takeoff according to claim 1, is characterized in that, the power takeoff of described main pump power takeoff is Full-power takeoff, and the power takeoff of described arm-pump power takeoff is change speed gear box power takeoff.
3. oil pump power takeoff according to claim 2, is characterized in that, described main pump power takeoff also comprises left socle, right support, shock absorber and main pump bracket, wherein:
Described main pump is detachably fixedly connected with described main pump bracket;
Described main pump bracket is detachably fixedly connected with described left socle, described right support by described shock absorber;
Described left socle is all detachably fixedly connected with the crossbeam on the chassis of described concrete pump truck with described right support.
4. the oil pump power takeoff according to Claims 2 or 3, is characterized in that, the transmission device of described main pump power takeoff comprises at least two transmission shafts.
5. oil pump power takeoff according to claim 4, is characterized in that, described transmission device comprises four transmission shafts, wherein:
A transmission shaft in four transmission shafts, the one end on its axial direction is connected with the power take-off shaft of described Full-power takeoff;
Another root transmission shaft in four transmission shafts, the one end on its axial direction is connected with the power intake of described main pump;
Be connected by two transmission shafts remaining in described four transmission shafts between the other end on this its axial direction of root transmission shaft that the other end on this root transmission shaft axial direction that one end on axial direction is connected with the power take-off shaft of described Full-power takeoff and the one end on axial direction are connected with the power intake of described main pump.
6. oil pump power takeoff according to claim 5, it is characterized in that, between described transmission shaft with described transmission shaft, described transmission shaft and the power take-off shaft of described Full-power takeoff and all being formed with bolt by flange between described transmission shaft and the power intake of described main pump be detachably fixedly connected with.
7. oil pump power takeoff according to claim 2, it is characterized in that, the transmission device of described arm-pump power takeoff is transmission shaft, and the two ends on described transmission shaft axial direction are connected with the power take-off shaft of described change speed gear box power takeoff, the power intake of described arm-pump respectively.
8. oil pump power takeoff according to claim 7, it is characterized in that, all to be formed with bolt by flange between described transmission shaft and the power take-off shaft of described change speed gear box power takeoff and between described transmission shaft and the power intake of described arm-pump and be detachably fixedly connected with.
9. oil pump power takeoff according to claim 8, is characterized in that, described arm-pump is detachably fixedly connected with the subframe of described concrete pump truck.
10. a concrete pump truck, it is characterized in that, comprise chassis, subframe, the arbitrary described oil pump power takeoff of claim 1-9 and the traveling axle drive shaft for driving described concrete pump truck to travel, the change speed gear box on described chassis is provided with three power take-off shafts, wherein:
A wherein power take-off shaft of the change speed gear box on described chassis is connected with described traveling axle drive shaft;
A wherein power take-off shaft of the change speed gear box on described chassis is connected with the power input shaft of the power takeoff of described main pump power takeoff;
A wherein power take-off shaft of the change speed gear box on described chassis is connected with the power input shaft of the power takeoff of described arm-pump power takeoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511663.5A CN103522899B (en) | 2013-10-25 | 2013-10-25 | Oil pump power takeoff and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511663.5A CN103522899B (en) | 2013-10-25 | 2013-10-25 | Oil pump power takeoff and concrete pump truck |
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| Publication Number | Publication Date |
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| CN103522899A CN103522899A (en) | 2014-01-22 |
| CN103522899B true CN103522899B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310511663.5A Active CN103522899B (en) | 2013-10-25 | 2013-10-25 | Oil pump power takeoff and concrete pump truck |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110080532B (en) * | 2019-03-19 | 2020-07-21 | 北汽福田汽车股份有限公司 | Pump truck hydraulic driving system and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201747552U (en) * | 2010-08-12 | 2011-02-16 | 长沙中联重工科技发展股份有限公司 | Vehicular concrete transportation pump |
| CN102268924A (en) * | 2011-06-10 | 2011-12-07 | 徐工集团工程机械股份有限公司建设机械分公司 | Concrete spraying vehicle |
| CN203793131U (en) * | 2013-10-25 | 2014-08-27 | 徐州徐工施维英机械有限公司 | Oil pump power take-off device and concrete pump truck |
-
2013
- 2013-10-25 CN CN201310511663.5A patent/CN103522899B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201747552U (en) * | 2010-08-12 | 2011-02-16 | 长沙中联重工科技发展股份有限公司 | Vehicular concrete transportation pump |
| CN102268924A (en) * | 2011-06-10 | 2011-12-07 | 徐工集团工程机械股份有限公司建设机械分公司 | Concrete spraying vehicle |
| CN203793131U (en) * | 2013-10-25 | 2014-08-27 | 徐州徐工施维英机械有限公司 | Oil pump power take-off device and concrete pump truck |
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| CN103522899A (en) | 2014-01-22 |
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