CN203978972U - A kind of short arm rack concrete pump truck of engine in situ power taking - Google Patents
A kind of short arm rack concrete pump truck of engine in situ power taking Download PDFInfo
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- CN203978972U CN203978972U CN201420434486.5U CN201420434486U CN203978972U CN 203978972 U CN203978972 U CN 203978972U CN 201420434486 U CN201420434486 U CN 201420434486U CN 203978972 U CN203978972 U CN 203978972U
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Abstract
The utility model discloses a kind of short arm rack concrete pump truck of engine in situ power taking, by pump truck chassis and motor, formed, be characterized in being provided with power take-off on motor, one end of transmission shaft connects power take-off, the other end connects the main oil pump being serially connected, arm-pump and stirring, washing, coolant pump, main oil pump is connected and is controlled the first master cylinder by main valve piece, the second master cylinder, the first tilt cylinder and the second tilt cylinder, arm-pump and stirring, washing, coolant pump connects respectively the corresponding system of controlling, the utlity model has simple in structure, cost is low, installation and maintenance are convenient, can meet the feature of the performance requirement of short arm rack concrete pump truck.
Description
Technical field
The utility model belongs to short arm rack concrete pump truck power system technical field, especially relates to a kind of short arm rack concrete pump truck of engine in situ power taking.
Background technique
The chassis power taking mode that state's inner concrete galianconism frame pump truck uses is at present the box connection power taking of transfer, the stable performance of this power taking mode, but on chassis, install and change a social system and inconvenience, also need chassis transmission shaft to reequip, after repacking, also need transmission shaft to carry out dynamic balance running, and general concrete pump truck manufacturing enterprise is without dynamic balance test stand, to manufacturing enterprise, many inconveniences have been caused like this; Simultaneously current this power system is containing the link of transfer case, various oil pump and hydraulic system, complicated structure, all below concrete pump vehicle chassis to care and maintenance and be inconvenience.
Summary of the invention
The purpose of this utility model be to improve the deficiency of prior art and provide a kind of simple in structure, cost is low, installation and maintenance are convenient, can meet the short arm rack concrete pump truck of engine in situ power taking of the performance requirement of short arm rack concrete pump truck.
The purpose of this utility model is to realize like this, a kind of short arm rack concrete pump truck of engine in situ power taking, by pump truck chassis and motor, formed, be characterized in being provided with power take-off on motor, one end of transmission shaft connects power take-off, the other end connects main oil pump, arm-pump and stirring, washing, the coolant pump being serially connected, main oil pump is connected and is controlled the first master cylinder, the second master cylinder, the first tilt cylinder and the second tilt cylinder by main valve piece, and arm-pump is connected respectively with stirring, washing, coolant pump the corresponding system of controlling.
In order further to realize the purpose of this utility model, can be that described main valve piece is that main oil pump oil circuit connects the first hydraulicchange-over valve, the second hydraulicchange-over valve by electro-hydraulic reversing valve, the second hydraulicchange-over valve connects the first master cylinder, the second master cylinder, and the first hydraulicchange-over valve connects the first tilt cylinder, the second tilt cylinder.
Compared with the prior art the utility model has following distinguishing feature and good effect: the utility model on the basis of existing technology, a transfer case, transfer case hanger and an arm-pump have been reduced, domestic most these the precious products of Germany that adopt of the well-known automobile-used transfer case of concrete pump at present, and the most happy products of German power soil that adopt of arm-pump, purchase cost is high, the cycle is long; And the utility model is by having increased power take-off, transmission shaft and a treble pump, by the improvement of hydraulic system being met to the exercises demand of concrete pump, this treble pump is directly from the transmission shaft power taking of engine in situ power take-off, 18-32 rice concrete mixer engine in situ power is generally the left and right into 220KW, and from direct about power taking 160KW of engine torque extracting machine, can meet the power demand of 18-32 rice concrete mixer, chassis transmission shaft is without repacking, time saving and energy saving, reduce various costs.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of structural representation of the utility model main valve piece.
Fig. 3 is front half periodic duty flow chart of the present utility model.
Fig. 4 is rear half periodic duty flow chart of the present utility model.
Embodiment
A kind of short arm rack concrete pump truck of engine in situ power taking, with reference to Fig. 1, on pump truck chassis 1, to be provided with motor 2, on motor 2, be provided with power take-off 3, one end of transmission shaft 4 connects power take-off 3, one end of transmission shaft 4 connects power take-off 3, the other end connects main oil pump 5, arm-pump 6 and stirring, washing, the coolant pump 7 being serially connected, main oil pump 5 is connected and is controlled the first master cylinder 11, the second master cylinder 12, the first tilt cylinder 13 and the second tilt cylinder 14 by main valve piece 15, and arm-pump 6 is connected respectively with stirring, washing, coolant pump 7 the corresponding system of controlling.
With reference to Fig. 2, described main valve piece 15 is that main oil pump 5 oil circuits connect the first hydraulicchange-over valve 9, the second hydraulicchange-over valve 10 by electro-hydraulic reversing valve 8, the second hydraulicchange-over valve 10 connects the first master cylinder 11, the second master cylinder 12, the first hydraulicchange-over valve 9 connects the first tilt cylinder 13, the second tilt cylinder 14, arm-pump 6 is connected with 5-linked jib multi-way valve according to routine techniques controls swirl gear, joint arm and leg system, and stirring, washing, coolant pump 7 connect and control stirring, washing, cooling system according to routine techniques.
In specific embodiment, with BOSCH-REXROTH A11VLO190, A10VO28, AZPF-11-016 treble pump, as main oil pump 5, arm-pump 6 and stirring, washing, coolant pump 7, by hydraulic system, realize the exercises demand of 18-32 rice concrete mixer.
The utility model working principle is as follows, and front half cycles is with reference to Fig. 3, as follows:
At main oil pump 5, start after normal work, press pumping button, the DT1 of electro-hydraulic reversing valve 8 obtains electric connection, the pressure oil of main oil pump 5 is divided into two-way, leading up to the left position of the second hydraulicchange-over valve 10 enters respectively the rodless cavity of the second master cylinder 12, rod chamber, the oil that enters the rodless cavity of the second master cylinder 12 promotes piston-advance, make to carry cylinder to be inhaled, discharge, when the piston-advance of the second master cylinder 12 approaches terminal, sensor signals, oil enters the left position of the first hydraulicchange-over valve 9, the commutation of pendulum valve, the second tilt cylinder 14 signals, oil also enters the left position of the first hydraulicchange-over valve 9, the oil that enters the rod chamber of the second master cylinder 12 enters the rod chamber of the first master cylinder 11, and the piston of the first master cylinder 11 is retreated, and makes to carry cylinder suction, discharge, another road of the pressure oil of main oil pump 5 enters the left position of the first hydraulicchange-over valve 9, the first tilt cylinder 13 rodless cavities, such the first tilt cylinder 13 pistons are stretched, the second tilt cylinder 14 pistons move back, tilt cylinder motion makes S pipe be connected with the conveying cylinder of the first master cylinder 11, when approaching terminal, the first tilt cylinder 13 piston-advance signal, the second 10 right of hydraulic operated valves conducting.
Immediately automatically enter rear half cycles, with reference to Fig. 4, as follows:
The pressure oil of main oil pump 5 is divided into two-way, leading up to the right position of the second hydraulicchange-over valve 10 enters respectively rodless cavity, the rod chamber of the first master cylinder 11, the oil that enters the rodless cavity of the first master cylinder 11 promotes piston-advance, make to carry cylinder suction, discharge, when the piston-advance of the first master cylinder 11 approaches terminal, sensor signals, oil enters the left position of the second hydraulicchange-over valve 10, the commutation of pendulum valve, the first tilt cylinder 13 signals, and oil also enters the right position of the first hydraulicchange-over valve 9; The oil that enters the rod chamber of the first master cylinder 11 enters the rod chamber of the second master cylinder 12, and the piston of the second master cylinder 12 is retreated, and makes to carry cylinder suction, discharge; Another road of the pressure oil of main oil pump 5 enters the right position of the first hydraulicchange-over valve 9, the second tilt cylinder 14 rodless cavities, such the second tilt cylinder 14 pistons are stretched, the first tilt cylinder 13 pistons move back, tilt cylinder motion makes S pipe be connected with the conveying cylinder of the second master cylinder 12, when approaching terminal, the second tilt cylinder 13 piston-advance signal, the second 10 left of hydraulic operated valves conducting, completes a circulation.
Claims (2)
1. the short arm rack concrete pump truck of an engine in situ power taking, by pump truck chassis (1) and motor (2), formed, it is characterized in that being provided with power take-off (3) on motor (2), one end of transmission shaft (4) connects power take-off (3), the other end connects the main oil pump (5) being serially connected, arm-pump (6) and stirring, washing, coolant pump (7), main oil pump (5) is connected and is controlled the first master cylinder (11) by main valve piece (15), the second master cylinder (12), the first tilt cylinder (13) and the second tilt cylinder (14), arm-pump (6) and stirring, washing, coolant pump (7) connects respectively the corresponding system of controlling.
2. the short arm rack concrete pump truck of a kind of engine in situ power taking according to claim 1, it is characterized in that described main valve piece (15) is that main oil pump (5) oil circuit connects the first hydraulicchange-over valve (9), the second hydraulicchange-over valve (10) by electro-hydraulic reversing valve (8), the second hydraulicchange-over valve (10) connects the first master cylinder (11), the second master cylinder (12), and the first hydraulicchange-over valve (9) connects the first tilt cylinder (13), the second tilt cylinder (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434486.5U CN203978972U (en) | 2014-08-04 | 2014-08-04 | A kind of short arm rack concrete pump truck of engine in situ power taking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434486.5U CN203978972U (en) | 2014-08-04 | 2014-08-04 | A kind of short arm rack concrete pump truck of engine in situ power taking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978972U true CN203978972U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420434486.5U Active CN203978972U (en) | 2014-08-04 | 2014-08-04 | A kind of short arm rack concrete pump truck of engine in situ power taking |
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| CN (1) | CN203978972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088831A (en) * | 2014-08-04 | 2014-10-08 | 山东鸿达建工集团有限公司 | Chassis engine power takeoff short arm support concrete pump truck |
-
2014
- 2014-08-04 CN CN201420434486.5U patent/CN203978972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088831A (en) * | 2014-08-04 | 2014-10-08 | 山东鸿达建工集团有限公司 | Chassis engine power takeoff short arm support concrete pump truck |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |