CN201539356U - Low speed high torque variable-speed hydraulic motor - Google Patents
Low speed high torque variable-speed hydraulic motor Download PDFInfo
- Publication number
- CN201539356U CN201539356U CN200920257271XU CN200920257271U CN201539356U CN 201539356 U CN201539356 U CN 201539356U CN 200920257271X U CN200920257271X U CN 200920257271XU CN 200920257271 U CN200920257271 U CN 200920257271U CN 201539356 U CN201539356 U CN 201539356U
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- oil
- cylinder
- circuit distributor
- valve
- hydraulic motor
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Abstract
The utility model relates to a low speed high torque variable-speed hydraulic motor, which comprises a cylinder support, a support bearing cap, a bearing cap, a bearing, a crank shaft, a cylinder, a connecting rod, a piston, an oil guide disc, an oil circuit distributor and a transmission control valve set. The transmission control valve set is formed by a two-position four-way normally open electromagnetic valve, a shuttle valve, a mounting plate and an oil guide board 11, wherein the two-position four-way normally open electromagnetic valve and the shuttle valve are mounted on the mounting plate 13 which is fixed on the oil guide board 11 of the hydraulic motor oil circuit distributor. An oil inlet and outlet hole of the hydraulic motor is disposed a corresponding casing of the oil circuit distributor, an oil inlet and an oil outlet of the shuttle valve are respectively communicated with a main oil feeding passage and a corresponding control oil passage on the oil circuit distributor, and two of oil ports of the two-position four-way normally open electromagnetic valve are communicated with oil ports of the corresponding cylinder while one oil port is communicated with an oil port of the shuttle valve. The low speed high torque variable-speed hydraulic motor has the advantages of no external oil pipes, reduced possibility of oil leakage, high work reliability, long service, fast action switching, small occupied space and compact structure.
Description
Technical field
The utility model relates to oil hydraulic motor, relates in particular to a kind of low-speed big compensator pressure motor.
Background technique
The control valve of existing low-speed big compensator pressure motor generally is a peripheral hardware, independently, is connected with the oil circuit distributor by special hydraulic circuit pipe, and its compensator pressure oil circuit is controlled and seen accompanying drawing 1.The pressure oil of oil pump output is inserted the filler opening of variable control valve, two oil outlet a, b of variable control valve are connected on unsteady flow respectively and connect on the Oil Guide joint on the dish, connect with control valve by oil pipe and speed change, handle the speed change control valve, pressure oil is imported the variable piston, make crankshaft eccentric apart from increasing or reducing, reach the purpose of variable, that this controlling method is installed is complicated, oil pipe is many,, easy oil leakage, take up room simultaneously greatly, structure is dilatory, and is not compact.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, a kind of low-speed big compensator pressure motor that provides.This oil hydraulic motor must not connect by pipeline, and oil spill rate is low, compact structure.
Above-mentioned purpose realizes by following technical proposals:
Comprise cylinder rack, the spring bearing lid, bearing cap, bearing, bent axle, cylinder body, connecting rod, piston, the Oil Guide dish, oil circuit distributor and speed Control valve assembly, described cylinder rack two ends connect spring bearing and bearing cap respectively, this two bearings lid is built-in with described bearing, bent axle is by the bearing supporting in the described two bearings lid, the Oil Guide dish is connected an end of spring bearing lid, the oil circuit distributor is connected with the Oil Guide dish, be evenly equipped with several cylinder bodies in the cylinder rack, each cylinder body is built-in with piston, each connecting rod one end is connected with piston, one end is connected with eccentric wheel on the bent axle, on, following oil cylinder is installed in the bent axle, eccentric wheel is connected on the bent axle and by last, following oil cylinder supporting, wherein said speed Control valve assembly is by two-position four-way normal open type solenoid valve, shuttle valve, mounting plate and oil guide plate 11 are formed, described four-way normal open type solenoid valve and shuttle valve are installed on the mounting plate, mounting plate 13 is fixed on the oil guide plate 11 of oil hydraulic motor oil circuit distributor, the oil inlet and outlet of described oil hydraulic motor is arranged on the corresponding housing of oil circuit distributor, advancing of described rib valve, oil outlet respectively with the oil circuit distributor on main oil input channel and corresponding control oil duct connect, wherein two hydraulic fluid ports of two-position four-way normal open solenoid valve are communicated with the hydraulic fluid port of corresponding cylinder body, and a hydraulic fluid port is communicated with a hydraulic fluid port of shuttle valve.
Described two-position four-way normal open type solenoid valve is the hydrovalve that electric weight surges and jointly controls.
Low-speed big compensator pressure motor of the present utility model, control valve and oil circuit distributor are manufactured one, control valve is fixed in the hydraulic oil inlet of oil circuit distributor, has saved the oil pipe between original independent control valve and the oil circuit distributor like this, and adopt the electric energy control valve, make that low-speed big compensator pressure motor operation low noise is low, the life-span is long, action is switched fast, does not need oil pipe to connect, reduce the leakage of oil chance, and work adds the reliability height, it is little to take up room, compact structure.
Description of drawings
Fig. 1 is existing low-speed big compensator pressure motor speed varying hydraulic circuit control principle figure.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the compensator pressure oil circuit control principle figure of the utility model oil hydraulic motor.
Among the figure, 1 cylinder rack, 2 pistons, 3 connecting rods, 4 bearing caps, 5 bent axles, 6 upper cylinders, 7 times oil cylinders, 8 sliding type eccentric wheels, 9 spring bearings, 10 oil cylinder Oil Guide dishes, 11 oil circuit distributors, the 11a oil guide plate, 12 speed Control valve assemblys, 12a two-position four-way normal open type solenoid valve, the 12c shuttle valve, 13 mounting plates, 14 bearings.
Embodiment
Below in conjunction with drawings and Examples the utility model and advantage thereof are described further.
Contrast Fig. 1, low-speed big compensator pressure motor of the present utility model mainly are made up of cylinder rack 1, spring bearing lid 9, bearing cap 4, bent axle 5, cylinder body 7 (or 8), connecting rod 3, piston 2, Oil Guide dish 10, oil circuit distributor 11 and speed Control valve assembly 12.The two ends of cylinder rack 1 connect spring bearing 9 and bearing cap 4 respectively, and this two bearings lid is built-in with states bearing 14.Bent axle 5 is by the bearing supporting in the two bearings lid 4, Oil Guide dish 10 is connected an end of spring bearing lid 4, oil circuit distributor 11 is connected with Oil Guide dish 10, be evenly equipped with 5 cylinder bodies in the cylinder rack 1, each cylinder body is built-in with piston 2, each connecting rod 3 one end is connected with piston 2, and an end is connected with sliding type eccentric wheel 8 on the bent axle 5.Upper and lower oil cylinder 6,7 is installed in the bent axle 5, and eccentric wheel 8 is connected on the bent axle 5 and by upper and lower oil cylinder 6,7 and supports.
Speed Control valve assembly 12 is made up of the oil guide plate 11a on two-position four-way normal open type solenoid valve 12a, shuttle valve 12c, mounting plate 13 and the oil circuit distributor 11.The solenoid valve that the two-position four-way normal open type solenoid valve 12a of present embodiment adopts electric weight to surge and jointly control, it and shuttle valve 12c are installed on the mounting plate 13, and mounting plate 13 is fixed on the oil guide plate 11 of oil hydraulic motor oil circuit distributor.Oil inlet and outlet A, the B of oil hydraulic motor are arranged on the corresponding housing of oil circuit distributor.Rib valve 12c into and out of oilhole respectively with oil circuit distributor 11 on main oil input channel and corresponding control oil duct connect, wherein two hydraulic fluid ports of two-position four-way normal open solenoid valve 12a are communicated with the hydraulic fluid port of corresponding cylinder block 6,7, and a hydraulic fluid port is communicated with the hydraulic fluid port of shuttle valve 12c.Its concrete oil circuit control graph sees also Fig. 3.
The utility model has carried out improving design to the oil circuit of cylinder action about the control, by the direction that is located at the valve 12 control hydraulic oil on the oil circuit distributor 11.When making hydraulic oil enter upper cylinder 6, promote to move on the sliding type eccentric wheel 8, increase throw of eccentric, make speed of crankshaft slack-off by Oil Guide dish 10; When hydraulic oil enters down oil cylinder 7 by Oil Guide dish 10, promote sliding type eccentric wheel 8 and move down, reduce throw of eccentric, speed of crankshaft is accelerated, thereby reach the purpose of speed change.
The utility model designer's the improvement design to low-speed big compensator pressure motor speed varying control section is very reasonable, the existing external very complicated valve body of oil pipe of hydraulic pressure horse all is built in the oil hydraulic motor distributor, when being controlled, oil hydraulic motor do not need numerous and diverse oil pipe, leakage of oil chance, reliable operation had both been reduced, make the compact structure of oil hydraulic motor again, simple to operate, and can realize remote operation and centralized control.Be adapted to the crawler belt transmission of crane gear, ship deck machinery and crawler excavator.
Claims (2)
1. low-speed big compensator pressure motor, comprise cylinder rack, the spring bearing lid, bearing cap, bearing, bent axle, cylinder body, connecting rod, piston, the Oil Guide dish, oil circuit distributor and speed Control valve assembly, described cylinder rack two ends connect spring bearing and bearing cap respectively, this two bearings lid is built-in with described bearing, bent axle is by the bearing supporting in the described two bearings lid, the Oil Guide dish is connected an end of spring bearing lid, the oil circuit distributor is connected with the Oil Guide dish, be evenly equipped with several cylinder bodies in the cylinder rack, each cylinder body is built-in with piston, each connecting rod one end is connected with piston, one end is connected with eccentric wheel on the bent axle, on, following oil cylinder is installed in the bent axle, eccentric wheel is connected on the bent axle and by last, following oil cylinder supporting, it is characterized in that described speed Control valve assembly is by two-position four-way normal open type solenoid valve, shuttle valve, mounting plate and oil guide plate (11) are formed, described four-way normal open type solenoid valve and shuttle valve are installed on the mounting plate, mounting plate (13) is fixed on the oil guide plate (11) of oil hydraulic motor oil circuit distributor, the oil inlet and outlet of described oil hydraulic motor is arranged on the corresponding housing of oil circuit distributor, advancing of described rib valve, oil outlet respectively with the oil circuit distributor on main oil input channel and corresponding control oil duct connect, wherein two hydraulic fluid ports of two-position four-way normal open solenoid valve are communicated with the hydraulic fluid port of corresponding cylinder body, and a hydraulic fluid port is communicated with a hydraulic fluid port of shuttle valve.
2. a kind of low-speed big compensator pressure motor according to claim 1 is characterized in that described two-position four-way normal open type solenoid valve is the hydrovalve that electric weight surges and jointly controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920257271XU CN201539356U (en) | 2009-11-05 | 2009-11-05 | Low speed high torque variable-speed hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920257271XU CN201539356U (en) | 2009-11-05 | 2009-11-05 | Low speed high torque variable-speed hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539356U true CN201539356U (en) | 2010-08-04 |
Family
ID=42590807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920257271XU Expired - Fee Related CN201539356U (en) | 2009-11-05 | 2009-11-05 | Low speed high torque variable-speed hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606379A (en) * | 2011-06-16 | 2012-07-25 | 兰州理工大学 | Offset type radial plunger motor of six-star single-action piston cylinder |
| CN102619675A (en) * | 2011-06-16 | 2012-08-01 | 兰州理工大学 | Seven parts individual effecting piston cylinder polarization type radial plunger motor |
-
2009
- 2009-11-05 CN CN200920257271XU patent/CN201539356U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606379A (en) * | 2011-06-16 | 2012-07-25 | 兰州理工大学 | Offset type radial plunger motor of six-star single-action piston cylinder |
| CN102619675A (en) * | 2011-06-16 | 2012-08-01 | 兰州理工大学 | Seven parts individual effecting piston cylinder polarization type radial plunger motor |
| CN102619675B (en) * | 2011-06-16 | 2014-07-23 | 兰州理工大学 | Seven parts individual effecting piston cylinder polarization type radial plunger motor |
| CN102606379B (en) * | 2011-06-16 | 2014-08-06 | 兰州理工大学 | Offset type radial plunger motor of six-star single-action piston cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100804 Termination date: 20151105 |
|
| EXPY | Termination of patent right or utility model |