CN204646832U - A kind of flow distributing system for horizontal folding-jib loop wheel machine - Google Patents
A kind of flow distributing system for horizontal folding-jib loop wheel machine Download PDFInfo
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- CN204646832U CN204646832U CN201520357177.7U CN201520357177U CN204646832U CN 204646832 U CN204646832 U CN 204646832U CN 201520357177 U CN201520357177 U CN 201520357177U CN 204646832 U CN204646832 U CN 204646832U
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- valve
- winch
- oil circuit
- oil
- wheel machine
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Abstract
The utility model discloses a kind of flow distributing system for horizontal folding-jib loop wheel machine, comprise fuel tank, described fuel tank arranges oil hydraulic pump, described oil hydraulic pump arranges motor, it is characterized in that: described oil hydraulic pump place oil circuit one dividing into three, be respectively arm oil circuit control, regulate oil circuit and winch oil circuit control, described adjustment oil circuit comprises the logical valve be connected with oil hydraulic pump, reduction valve is connected with logical valve, the two-position four-way solenoid valve be connected with reduction valve, the two position three way directional control valve be connected with two-position four-way solenoid valve, the winch brake integrated valve block group be connected with two position three way directional control valve and the motor be connected with winch brake integrated valve block group.When the utility model can realize arm recovery or stretch out, winch and the action of arm synchronous coordination, make wire rope be in tension, improves reliability and the Security of loop wheel machine work.
Description
Technical field
The utility model relates to flow control technique field, particularly a kind of flow distributing system for horizontal folding-jib loop wheel machine.
Background technique
Horizontal folding type loop wheel machine to reclaim or when stretching out, winch synchronously should realize action with it, make wire rope be in tension, but existing control system is difficult to the reasonable distribution realizing flow, reaches winch and arm synchronous coordination at arm.When stretching out arm, winch is servo-actuated, is difficult to accomplish to realize abundant repairing to motor, even causes and inhales sky, substantially reduce the working life of motor; There will be steel wire rope looseness when reclaiming arm, or winch produces the phenomenons such as excessive pulling force, easily produces danger, affects the overall performance of loop wheel machine.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides one can realize arm when reclaiming or stretch out, and coordination while of winch and arm, makes wire rope be in the flow distributing system for horizontal folding-jib loop wheel machine of tension.
The technological scheme that the utility model adopts is as follows: a kind of flow distributing system for horizontal folding-jib loop wheel machine, comprise fuel tank, described fuel tank arranges oil hydraulic pump, described oil hydraulic pump arranges motor, described oil hydraulic pump place oil circuit one dividing into three, be respectively arm oil circuit control, regulate oil circuit and winch oil circuit control, described adjustment oil circuit comprises the logical valve be connected with oil hydraulic pump, reduction valve is connected with logical valve, the two-position four-way solenoid valve be connected with reduction valve, the two position three way directional control valve be connected with two-position four-way solenoid valve, the winch brake integrated valve block group be connected with two position three way directional control valve and the motor be connected with winch brake integrated valve block group.
As preferably, described motor is arranged motor bivariate solenoid valve.
As preferably, the oil cylinder that described arm oil circuit control comprises the safety valve be connected with oil hydraulic pump, the sequence valve be connected with safety valve, the electro-hydraulic proportional multi-way valve be connected with sequence valve and is connected with electro-hydraulic proportional multi-way valve.
As preferably, described electro-hydraulic proportional multi-way valve is that solenoid valve a and solenoid valve b are in series.
As preferably, described oil cylinder arranges two groups, and described oil cylinder two ends arrange two groups of two equilibrium valves respectively.
As preferably, described winch oil circuit control comprises the winch brake integrated valve block group be connected with oil hydraulic pump and the winch clutch be connected with winch brake integrated valve block group, and described winch brake integrated valve block group is communicated with winch oil circuit control and regulates oil circuit.
As preferably, described fuel tank arranges filter.
As preferably, described winch brake integrated valve block group is by the open and close being used for controlling winch clutch of shuttle valve, filter screen, damper, reduction valve set.
The beneficial effect that the technological scheme that the utility model provides is brought is: when the utility model can realize arm recovery or stretch out, winch and the action of arm synchronous coordination, make wire rope be in the state of drawing in, and improves reliability and the Security of loop wheel machine work.When arm regains action, two-position four-way solenoid valve obtains electric, the conducting of winch oil circuit control, the force value arranged by reduction valve, and rational flow rate distribution, realizes lifting of winch and arm reclaims synchronous coordination work, and wire rope keeps tension; When arm stretches out, two-position four-way solenoid valve obtains electric, and two position three way directional control valve commutates, and arm pulls winch by wire rope, and low pressure oil is by regulating oil circuit to motor repairing.Adopt two equilibrium valve, pressure is set, when preventing arm from shrinking or stretching out, occur rebound phenomenon.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the annexation schematic diagram of flow distributing system of the present utility model;
In figure, 1 is fuel tank, and 2 is filter, and 3 is oil hydraulic pump, 4 is motor, and 5 is safety valve, and 6 is sequence valve, and 7 is electro-hydraulic proportional multi-way valve, 71 is solenoid valve a, and 72 is solenoid valve b, and 8 is two equilibrium valves, 9 is oil cylinder, and 10 is logical valve, and 11 is reduction valve, 12 is two-position four-way solenoid valve, and 13 is two position three way directional control valve, and 14 is winch brake integrated valve block group, 15 is motor, and 16 motor bivariate solenoid valves, 17 is winch clutch.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model mode of execution is described in further detail.
Embodiment one
As shown in Figure 1, a kind of flow distributing system for horizontal folding-jib loop wheel machine, comprise fuel tank 1, connecting fluid press pump 3 on fuel tank 1, oil hydraulic pump 3 connects motor 4, at oil hydraulic pump 3 place oil circuit one dividing into three, be respectively arm oil circuit control, regulate oil circuit and winch oil circuit control, oil circuit is regulated to comprise the logical valve 10 be connected with oil hydraulic pump 3 by oil pipe, reduction valve 11 is connected with logical valve 10 by oil pipe, by the two-position four-way solenoid valve 12 that oil pipe is connected with reduction valve 11, by the two position three way directional control valve 13 that oil pipe is connected with two-position four-way solenoid valve 12, the winch brake integrated valve block group 14 be connected with two position three way directional control valve 13 by oil pipe and the motor 15 be connected by oil pipe and winch brake integrated valve block 14 groups, arm and the action of winch synchronous coordination is realized by regulating oil circuit.
Wherein, winch brake integrated valve block group 14 is mainly in order to control the open and close of winch clutch, be integrated with shuttle valve, filter screen, damper, reduction valve, winch oil circuit control pressure oil compares through shuttle valve with adjustment oil circuit, get a pressure oil, through damper, filter screen reduces pressure to reduction valve, towards winch clutch, control the unlatching of winch brake with closed.
Wherein, motor 15 is bivariate motor, only has two discharge capacities, motor 15 has two mode of operations, the little moment of torsion of high speed, low-speed big, motor bivariate solenoid valve 16 obtains electric, and the mode of operation of switching motor 15 is to the little torque mode of high speed, and the pattern of normal lifting of winch canoe is low-speed big
Better, arm oil circuit control comprises the safety valve 5 be connected with oil hydraulic pump 3 by oil pipe, the sequence valve 6 be connected with safety valve 5 by oil pipe, the electro-hydraulic proportional multi-way valve 7 be connected with sequence valve 6 by oil pipe and the oil cylinder 9 be connected with electro-hydraulic proportional multi-way valve 7 by oil pipe, oil cylinder 9 connects arm, have a rebound when stretching out to prevent arm or regain phenomenon, oil cylinder 9 arranges two groups, oil cylinder 9 two ends arrange two groups of two equilibrium valves 8 respectively, by regulating two equilibrium valve 8 to guarantee the action of oil cylinder 9, guarantee that arm stretches out or regains the stability of action.
Stretch out to separately control arm and regain, electro-hydraulic proportional multi-way valve 7 is in series for solenoid valve a71 and solenoid valve b 72.
Better, winch oil circuit control comprises the winch brake integrated valve block group 14 be connected with oil hydraulic pump 3 by oil pipe and the winch clutch 17 be connected with winch brake integrated valve block 14 groups, and winch brake integrated valve block group 14 is communicated with winch oil circuit control and regulates oil circuit.
In order to protect oil hydraulic pump 3, mounting filter 2 on fuel tank 1 oil return circuit, guarantees the oily contamination-free getting back to fuel tank 1, improves the working life of oil hydraulic pump 3.
Specific works process: in loop wheel machine working procedure, oil hydraulic pump 3 under the drive of motor 4, by hydraulic oil sucking-off from fuel tank 1, oil circuit one dividing into three, arm oil circuit control is through sequence valve 6, electro-hydraulic proportional multi-way valve 7, two equilibrium valve 8 enters oil cylinder 9 rod chamber, and hydraulic oil flows out from the rodless cavity of oil hydraulic cylinder 9, through two equilibrium valve 8, electro-hydraulic proportional multi-way valve 7, filter 2 returns fuel tank 1, drives arm action; Regulate oil circuit through logical valve 10, reduction valve 11, two-position four-way solenoid valve 12, two position three way directional control valve 13, winch brake integrated valve block group 14, enters the lifting chamber of motor 15, and the decline hydraulic oil in chamber of motor 15 returns fuel tank 1 through filter 2; Winch oil circuit control is through winch brake integrated valve block group 14, and winch clutch 17, opens winch brake.
When carrying out arm with electric control handle and regaining action, the solenoid valve b 72 of electro-hydraulic proportional multi-way valve 7 electric, two-position four-way solenoid valve 12 simultaneously, motor bivariate solenoid valve 16 also electric, motor switches to little moment of torsion large discharge pattern; Winch control circuit is through winch brake integrated valve block group 14, and winch clutch 17, opens winch brake; Arm oil circuit control through sequence valve 6, electro-hydraulic proportional multi-way valve 7, equilibrium valve 8 is to the rod chamber of oil cylinder 9, thus realize the withdrawal action of arm, simultaneously regulate oil circuit through logical valve 10, reduction valve 11, the right position of two-position four-way solenoid valve 12, winch brake integrated valve block group 14, entering the lifting chamber of motor 15, by setting the pressure of reduction valve 11, realizing the reasonable distribution of flow, reach lifting of winch and arm regains synchronous coordination action, make wire rope be in tension always.
When carrying out arm extend action with electric control handle, the solenoid valve a of electro-hydraulic proportional multi-way valve 7 71 electric, two-position four-way solenoid valve 12 simultaneously, motor bivariate solenoid valve 16 also electric, motor switches to little moment of torsion large discharge pattern; Winch control circuit is through winch brake integrated valve block group 14, and winch clutch 17, opens winch brake; Arm oil circuit is through sequence valve 6, and electro-hydraulic proportional multi-way valve 7, then shunts, and a road through the rodless cavity of equilibrium valve 8 to oil cylinder 9, thus realizes the extend action of arm, and another road enters the first guide cavity of two position three way directional control valve 13, makes it commutate; Simultaneously regulate oil circuit, through logical valve 10, reduction valve 11, the right position of two-position four-way solenoid valve 12, enters two position three way directional control valve 13 and motor 15 promotes chamber, because it commutates, thus realize motor 15 and promote chamber and be communicated with decline chamber, along with stretching out of arm, pull wire rope, motor 15 is servo-actuated, and the simultaneously oil return of electro-hydraulic proportional multi-way valve 7 and can promote chamber through the oil of two-position four-way solenoid valve 12 to motor 15 and carries out repairing through two position three way directional control valve 13.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. the flow distributing system for horizontal folding-jib loop wheel machine, comprise fuel tank, described fuel tank arranges oil hydraulic pump, described oil hydraulic pump arranges motor, it is characterized in that: described oil hydraulic pump place oil circuit one dividing into three, be respectively arm oil circuit control, regulate oil circuit and winch oil circuit control, described adjustment oil circuit comprises the logical valve be connected with oil hydraulic pump, reduction valve is connected with logical valve, the two-position four-way solenoid valve be connected with reduction valve, the two position three way directional control valve be connected with two-position four-way solenoid valve, the winch brake integrated valve block group be connected with two position three way directional control valve and the motor be connected with winch brake integrated valve block group.
2. a kind of flow distributing system for horizontal folding-jib loop wheel machine according to claim 1, is characterized in that: described motor is arranged motor bivariate solenoid valve.
3. a kind of flow distributing system for horizontal folding-jib loop wheel machine according to claim 1, is characterized in that: the oil cylinder that described arm oil circuit control comprises the safety valve be connected with oil hydraulic pump, the sequence valve be connected with safety valve, the electro-hydraulic proportional multi-way valve be connected with sequence valve and is connected with electro-hydraulic proportional multi-way valve.
4. a kind of flow distributing system for horizontal folding-jib loop wheel machine according to claim 3, is characterized in that: described electro-hydraulic proportional multi-way valve is that solenoid valve a and solenoid valve b are in series.
5. a kind of flow distributing system for horizontal folding-jib loop wheel machine according to claim 3, is characterized in that: described oil cylinder arranges two groups, and described oil cylinder two ends arrange two groups of two equilibrium valves respectively.
6. a kind of flow distributing system for horizontal folding-jib loop wheel machine according to claim 1, it is characterized in that: described winch oil circuit control comprises the winch brake integrated valve block group be connected with oil hydraulic pump and the winch clutch be connected with winch brake integrated valve block group, described winch brake integrated valve block group is communicated with winch oil circuit control and regulates oil circuit.
7. a kind of flow distributing system for horizontal folding-jib loop wheel machine according to claim 1, is characterized in that: described fuel tank arranges filter.
8. a kind of flow distributing system for horizontal folding-jib loop wheel machine according to claim 1 or 6, is characterized in that: described winch brake integrated valve block group is by the open and close being used for controlling winch clutch of shuttle valve, filter screen, damper, reduction valve set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357177.7U CN204646832U (en) | 2015-05-29 | 2015-05-29 | A kind of flow distributing system for horizontal folding-jib loop wheel machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357177.7U CN204646832U (en) | 2015-05-29 | 2015-05-29 | A kind of flow distributing system for horizontal folding-jib loop wheel machine |
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| Publication Number | Publication Date |
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| CN204646832U true CN204646832U (en) | 2015-09-16 |
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|---|---|---|---|
| CN201520357177.7U Expired - Fee Related CN204646832U (en) | 2015-05-29 | 2015-05-29 | A kind of flow distributing system for horizontal folding-jib loop wheel machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911928A (en) * | 2021-09-26 | 2022-01-11 | 法兰泰克(常州)工程机械有限公司 | Crank arm type hydraulic system of luffing mechanism of overhead working truck |
-
2015
- 2015-05-29 CN CN201520357177.7U patent/CN204646832U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911928A (en) * | 2021-09-26 | 2022-01-11 | 法兰泰克(常州)工程机械有限公司 | Crank arm type hydraulic system of luffing mechanism of overhead working truck |
| CN113911928B (en) * | 2021-09-26 | 2024-03-22 | 法兰泰克(常州)工程机械有限公司 | Hydraulic system of luffing mechanism of crank arm type overhead working truck |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |