CN201679799U - Pressure control variable displacement motor for two-point electric control belt - Google Patents
Pressure control variable displacement motor for two-point electric control belt Download PDFInfo
- Publication number
- CN201679799U CN201679799U CN2010201806008U CN201020180600U CN201679799U CN 201679799 U CN201679799 U CN 201679799U CN 2010201806008 U CN2010201806008 U CN 2010201806008U CN 201020180600 U CN201020180600 U CN 201020180600U CN 201679799 U CN201679799 U CN 201679799U
- Authority
- CN
- China
- Prior art keywords
- motor
- variable displacement
- variable
- valve
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a pressure control variable displacement motor for a two-point electric control belt, which mainly solves the technical problems of high cost, complex hydraulic pipeline and the like existing in the conventional motor of a hoisting system. The variable displacement motor is characterized in that: an electromagnet capable of driving a hydraulic control variable valve to be opened and closed is fixedly arranged in a shell and is electrically connected with an external power supply. The variable displacement motor has the advantages that: firstly, the electromagnet is integrated in the motor and the displacement of the motor is controlled through an electric signal, so that two-point electric control is realized; secondly, a pressure control valve acts a safety protection effect when the motor is overloaded, so that corresponding cost is lowered, installation space is reduced, a system is more attractive and faults such as oil leakage, pollution and the like caused by excessive elements and pipelines are avoided; and lastly, the response speed of the motor displacement can be increased greatly through a voltage signal.
Description
Technical field
The utility model relates to a kind of power equipment, relates to a kind of 2 automatically controlled band pressure control type variable displacement motors in particular, is mainly used in engineering machinery field such as hoist.
Background technique
At present, domestic 50 tons or above hoist, what the motor in its hoisting system mainly adopted is the HD1D control type variable displacement motor of the A6V series of hydraulic control band pressure controling mode.And in actual use, the motor of hoisting system only needs the control of two point variables, just can satisfy the work requirements of hoisting system, be convenient control and signals collecting to the hoisting system motor, on the basis of existing variable displacement motor, increased extra hydraulic control system, the working principle of this hydraulic control system is to utilize external direction solenoid valve the break-make control of external control oil sources to be realized indirectly two point variables of motor, adopt this structure, though can realize the two point variables control of motor, but owing to increased external hydraulic control system, so just cause the complicated and corresponding auxiliary accessories of installation solenoid valve needs of hydraulic pipe line of whole hoist, cause corresponding cost to increase and potential potential faults.
Summary of the invention
Higher and hydraulic pipe line is than technical problems such as complexity for the cost that solves existing hoisting system motor; The utility model provides a kind of 2 automatically controlled band pressure control type variable displacement motors, and this variable displacement motor not only can reduce production costs, and simultaneously, its hydraulic pipe line is the letter knot, can effectively avoid potential faults such as leakage of oil too much because of element and that the pipeline complexity causes.
For solving above technical problem, the technological scheme that the utility model is taked is a kind of 2 automatically controlled band pressure control type variable displacement motors, it includes housing and is installed on housing interior motor body and variable cylinder, be provided with the control oil pipe that communicates with variable cylinder in the described housing, corresponding hydraulic control variable valve and the pressure controlled valve that is provided with its oil pipe break-make of control on this control oil pipe; It is characterized in that described housing internal fixation is provided with one and can drives hydraulic control variable opening of valves and closed electromagnet, this electromagnet is electrically connected with the power supply of outside.
Further, described solenoid valve includes an iron core and is wrapped in the outer coil of iron core, and the valve rod of described iron core and hydraulic control variable valve is fixedly connected, and the described outer coil of iron core that is wrapped in is electrically connected with the power supply of outside.
The beneficial effects of the utility model are that electromagnet is integrated in the motor, by the discharge capacity of electrical signal control motor, thereby realize 2 automatically controlled; Secondly, by pressure controlled valve, can make motor occur reaching the safety protection effect under the overload situations; So not only reduced corresponding cost, simultaneously, reduced installing space, made system more attractive in appearance and avoided because of faults such as leakage of oil that element and pipeline too much cause, pollutions; Secondly, by voltage signal, can improve the speed of response of motor variable greatly.
Description of drawings
Fig. 1 is the fundamental diagram of a kind of 2 automatically controlled band pressure control type variable displacement motors of the utility model embodiment
Embodiment
Below in conjunction with accompanying drawing the utility model mode of execution is described further:
As shown in Figure 1, the utility model is a kind of 2 automatically controlled band pressure control type variable displacement motors, it includes housing 1 and is installed on motor body 2 and variable cylinder 3 in the housing 1, be provided with the control oil pipe 4 that communicates with variable cylinder 3 in the described housing 1, corresponding hydraulic control variable valve 5 and the pressure controlled valve 6 that is provided with its oil pipe break-make of control on this control oil pipe 4; Higher and hydraulic pipe line is than technical problems such as complexity for the cost that solves existing hoisting system motor, and described housing 1 internal fixation is provided with one and can drives hydraulic control variable valve 5 and open and closed electromagnet 7, and this electromagnet 7 is electrically connected with the power supply of outside; Electromagnet 7 is integrated in the motor, when electromagnet 7 energisings, hydraulic control variable valve 5 is in the work initial position, advance/pressure of oil outlet A acts directly on the left end of variable cylinder 3 by control oil channel 4, the promotion piston moves to right, at this moment, motor is a maximum pump discharge, the minimum corresponding exportable Maximum Torque of its rotating speed; And when electromagnet 7 outage, promote hydraulic control variable valve 5 to move to right, advance/pressure of oil outlet A acts directly on the right-hand member of variable cylinder 3 by control oil channel 4, promotes piston to move to left, and at this moment, motor is a minimum injection rate, and its rotating speed maximal phase should be exported minimal torque; And when load excessive; when the working pressure of motor reaches setting value; pressure controlled valve 6 displacement to the right; the pressure of variable cylinder 3 right-hand members is got back to drain tap B release through pressure controlled valve 6 like this, makes variable cylinder 3 pistons past moving right under the working pressure of left end, and at this moment motor reaches maximum pump discharge; the rotating speed minimum of motor; then can corresponding output Maximum Torque, make pressure controlled valve 6 preferential answerings in hydraulic control variable valve 5 like this, thereby play the safety protection effect.Adopt this structure, the electromagnet 7 that directly acts on motor inside by electrical signal is controlled the discharge capacity of motor, thereby realize two point variables that hoisting system requires, so not only reduced corresponding cost, simultaneously, reduced installing space, made system more attractive in appearance and avoided because of faults such as leakage of oil that element and pipeline too much cause, pollutions; Secondly, by voltage signal, can improve the speed of response of motor variable greatly.
In the present embodiment, unlatching and closure for convenient control hydraulic control variable valve 5, described solenoid valve 7 includes an iron core and is wrapped in the outer coil of iron core, the valve rod of described iron core and hydraulic control variable valve 7 is fixedly connected, the described outer coil of iron core that is wrapped in is electrically connected with the power supply of outside, electromagnet 7 is linked to each other with the valve rod of iron core with hydraulic control variable valve 5, when energising, can in time open hydraulic control variable valve 5 like this, and when outage, also can in time make hydraulic control variable valve 5 in time closed, correspondingly improved the speed of response of motor variable and shortened its reaction time, thereby made Safety performance more reliable.
The foregoing description should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (2)
1. one kind 2 automatically controlled band pressure control type variable displacement motors, it includes housing and is installed on housing interior motor body and variable cylinder, be provided with the control oil pipe that communicates with variable cylinder in the described housing, corresponding hydraulic control variable valve and the pressure controlled valve that is provided with its oil pipe break-make of control on this control oil pipe; It is characterized in that described housing internal fixation is provided with one and can drives hydraulic control variable opening of valves and closed electromagnet, this electromagnet is electrically connected with the power supply of outside.
2. according to described a kind of 2 the automatically controlled band pressure control type variable displacement motors of claim, it is characterized in that described solenoid valve includes an iron core and is wrapped in the outer coil of iron core, the valve rod of described iron core and hydraulic control variable valve is fixedly connected, and the described outer coil of iron core that is wrapped in is electrically connected with the power supply of outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201806008U CN201679799U (en) | 2010-04-30 | 2010-04-30 | Pressure control variable displacement motor for two-point electric control belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201806008U CN201679799U (en) | 2010-04-30 | 2010-04-30 | Pressure control variable displacement motor for two-point electric control belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679799U true CN201679799U (en) | 2010-12-22 |
Family
ID=43344843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201806008U Expired - Lifetime CN201679799U (en) | 2010-04-30 | 2010-04-30 | Pressure control variable displacement motor for two-point electric control belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727080A (en) * | 2013-11-15 | 2014-04-16 | 徐州重型机械有限公司 | Pressure stop valve of hydraulic variable displacement motor |
| CN105465066A (en) * | 2014-09-29 | 2016-04-06 | 罗伯特·博世有限公司 | Hydraulic circuit and machine with it |
-
2010
- 2010-04-30 CN CN2010201806008U patent/CN201679799U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727080A (en) * | 2013-11-15 | 2014-04-16 | 徐州重型机械有限公司 | Pressure stop valve of hydraulic variable displacement motor |
| CN103727080B (en) * | 2013-11-15 | 2016-02-24 | 徐州重型机械有限公司 | A kind of pressure shut-off valve of hydraulic variable motor |
| CN105465066A (en) * | 2014-09-29 | 2016-04-06 | 罗伯特·博世有限公司 | Hydraulic circuit and machine with it |
| CN105465066B (en) * | 2014-09-29 | 2019-11-19 | 罗伯特·博世有限公司 | Underground and machine with underground |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101435451B (en) | Movable arm potential energy recovery method and apparatus of hydraulic excavator | |
| CN202643158U (en) | Constant tension hoisting operation wave compensation device | |
| CN203702702U (en) | Hydraulic control system and concrete pumping device | |
| CN108425893A (en) | A kind of distributed direct drive excavator hydraulic system of servo motor driving bivariate pump | |
| CN208634118U (en) | The distributed direct of the double accumulators of the double constant displacement pumps of motor driven drives excavator hydraulic system | |
| CN102491173A (en) | Crane and closed type hoisting negative power control system for crane | |
| CN105545882A (en) | Electro-hydraulic synchronous uniform loading cutter driving system of tunneling machine | |
| CN104452868A (en) | Double-hydraulic-cylinder mixed drive control system | |
| CN201679799U (en) | Pressure control variable displacement motor for two-point electric control belt | |
| CN204375590U (en) | A kind of time-delay mechanism and use hydraulic actuating mechanism and the circuit breaker of this time-delay mechanism | |
| CN103470441B (en) | The hydraulic pressure installation of a kind of water turbine governing and protective system | |
| CN107503395A (en) | Throttling volume directly drives compound oil inlet and outlet independent control electrohydraulic system | |
| CN104234988B (en) | Explosion-proof automatically controlled enclosed pump and use its moment to engine power keep high usage control method | |
| CN208330867U (en) | A kind of distributed direct drive excavator hydraulic system of servo motor driving bivariate pump | |
| CN202612241U (en) | Three-stage pressure regulation double-coil magnetorheological valve | |
| CN203627359U (en) | Crane for foundation pile construction and hydraulic system of crane | |
| CN103010069A (en) | Electric-hydraulic control system for lifting bucket trolley | |
| CN201705248U (en) | Continuous pipe injection head control device | |
| CN105156077A (en) | Differential step linear underground intelligent oil production device | |
| CN203189195U (en) | Water turbine paddle internal energy driving and adjusting structure | |
| CN203548054U (en) | Hydraulic device for water turbine speed control and protection system | |
| CN103122823B (en) | Adjust structure can be driven in hydraulic turbine blades | |
| CN205012978U (en) | Poor step of sharp intelligent oil production device in pit | |
| CN103671317B (en) | Foundation pile construction hoist and hydraulic system thereof | |
| CN201345582Y (en) | Multi-stage cascade alternating current servo motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180130 Address after: Ju Guang Yuan Yue Le Xi Jie Lucheng District of Wenzhou City, Zhejiang Province, No. 156 325000 Patentee after: Wenzhou haiteke power Limited by Share Ltd Address before: Ju Guang Yuan Yue Le Xi Jie Lucheng District of Wenzhou City, Zhejiang Province, No. 156 325000 Patentee before: High-tech Fluid Power Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |
|
| CX01 | Expiry of patent term |