CN104763759A - Dual-journey electric-hydraulic propeller with built-in tripping spring - Google Patents
Dual-journey electric-hydraulic propeller with built-in tripping spring Download PDFInfo
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- CN104763759A CN104763759A CN201410665870.0A CN201410665870A CN104763759A CN 104763759 A CN104763759 A CN 104763759A CN 201410665870 A CN201410665870 A CN 201410665870A CN 104763759 A CN104763759 A CN 104763759A
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- brake spring
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- push rod
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Abstract
The invention discloses a dual-journey electric-hydraulic propeller with a built-in tripping spring. The hydraulic pusher body structure composed of a pedestal and a shell is characterized in that a piston cylinder barrel is arranged between the pedestal and the shell, a piston is fixedly connected with a push rod and arranged in the piston cylinder barrel, one end of the push rod is protruded from the shell, the tipping spring is arranged between the piston and the inner side of the top of the shell, one end of the spring is elastically connected with the piston, and the other end of the spring is elastically connected with the inner side of the top of the shell; an added spring is not arranged outside the hydraulic propeller, and thus the dual-journey electric-hydraulic propeller is simple and beautiful in appearance structure.
Description
Art
The present invention relates to a kind of electro hydraulicthruster of break, the double-stage stroke electro hydraulicthruster of brake spring is especially set in inside.
Background technique
At present, known double-stage stroke electro hydraulicthruster is all need at the outside additional brake spring of electro hydraulicthruster, and it is complicated that external brake spring makes the cost of electro hydraulicthruster increase external structure, affects attractive in appearance.
Summary of the invention
Outside additional brake spring is used in order to overcome existing double-stage stroke electro hydraulicthruster, hydraulic driver cost is caused to increase external structure complicated, affect deficiency attractive in appearance, the invention provides a kind of double-stage stroke electro hydraulicthruster of built-in brake spring, this built-in brake spring normally can not only provide braking force to electro hydraulicthruster, the external structure of double-stage stroke hydraulic thruster can also be made simple, and anatomic shape, cost reduces.
The technical solution adopted for the present invention to solve the technical problems is: in the bipolar stroke electro hydraulicthruster agent structure be made up of base and shell, piston bore is arranged between base and shell, piston is fixedly connected with push rod and is arranged in piston bore, shell is stretched out in one end of push rod, between inside piston and cover top portion, brake spring is set, one end of brake spring is connected with piston elastic, and the other end of brake spring is connected with cover top portion inner elastic.
The invention has the beneficial effects as follows, because electro hydraulicthruster is outside without additional brake spring, electro hydraulicthruster form structure is simple, anatomic shape, and cost reduces.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structure principle chart of the embodiment of the present invention 1.
Fig. 2 is the structure principle chart of the embodiment of the present invention 2.
Fig. 3 is the structure principle chart of spring limit frame.
Fig. 4 is the circuit theory diagrams of embodiment 1.
Fig. 5 is the circuit theory diagrams of embodiment 2.
Fig. 6 is elastic connection structure and scale schematic diagram.
1. push rods in figure, 2. shell, 3. brake spring, 4. piston bore, 5. piston, 6. slotted eye, 7. base, 8. pressure oil cavity, 9. one-way valve, 10. oil outlet, 11. solenoid valves, 12. oil back chambers, 13. sensitive switch supports, 14. sensitive switches 1, 15. sensitive switches 2, 16. sheaths, 17. bipolar elastic connection structures, 18. solenoid valves 2, 19. overhead gages, 20. hooks 1, 21. hooks 2, 22. lower pedals, 23. buckle slots, 24. Oil pump electrical machineries, 25. relays, 26. power switches, 27. controller contacts 1, 28. controller contacts 2, 29. electromagnetic valve coils, 30. solenoid valve 2 coils, 31. nuts, 32. springs, 33. connecting bases, 34. scales, 35. spring pressure value adjusted position graduation line groups.36. top plane regulating reference positions
Embodiment
In FIG, in the bipolar stroke electro hydraulicthruster agent structure be made up of base (7) and shell (2), piston bore (4) is arranged between base (7) and shell (2), piston (5) is fixedly connected with push rod (1) and is arranged in piston bore (4), shell (2) is stretched out in one end of push rod (1), brake spring (3) is set between piston (4) and shell (2) inside top, one end of brake spring (3) is connected with piston (5) elasticity, the other end of brake spring (3) is connected with shell (2) inside top elasticity, piston bore (4) waist grooved hole (6), solenoid valve (11) is connected between slotted eye (6) and oil back chamber (12) oil circuit, the oil outlet (10) of pressure oil cavity (8) is connected with the filler opening oil circuit of solenoid valve (11), sensitive switch support (13) screw is connected to shell (2) top, sensitive switch 1 (14) is fixedly connected on support (13) can by the position touched when service braking during the step telescopic moving of push rod (1), sensitive switch 2 (15) to be fixedly connected on support (13) can by during the step telescopic moving of push rod (1) close to the position touched during push rod (1) maximum projecting position
In fig. 2, in the bipolar stroke electro hydraulicthruster agent structure be made up of base (7) and shell (2), piston bore (4) is arranged between base (7) and shell (2), piston (5) is fixedly connected with push rod (1) and is arranged in piston bore (4), shell (2) is stretched out in one end of push rod (1), brake spring (3) is set between piston (5) and shell (2) inside top, one end of brake spring (3) is connected with piston (5) elasticity, the other end of brake spring (3) is connected with shell (2) inside top elasticity, piston bore (4) waist grooved hole (6), solenoid valve (11) is connected between slotted eye (6) and oil back chamber (12) oil circuit, solenoid valve 2 (18) is connected between the oil outlet (10) of pressure oil cavity (8) and oil back chamber (12) oil circuit, sensitive switch support (13) screw is connected to shell (2) top, sensitive switch 2 (15) to be fixedly connected on support (13) can by during the step telescopic moving of sheath (16) close to the position touched during push rod (1) maximum projecting position.
In figure 3, spring limit frame is made up of many group hooks and two pieces of baffle plates, hook 1 (20) and hook 2 (21) mutual hooks also respectively buckle be connected to that the buckle slot (23) of overhead gage (19) and lower pedal (22) is middle to be formed.Spring (3) is arranged in limit frame, one end is connected the other end with overhead gage (19) elasticity and is connected with lower pedal (22) elasticity, and brake spring (3) is flicked size restrictions near the position making push rod (1) maximum retraction by spring limit frame.There is spring limit frame, brake spring (3) can have been avoided to flick during installation and removal double-stage stroke electro hydraulicthruster and hurt sb.'s feelings, safeguard convenient safety.
In the circuit theory diagrams of Fig. 4 Fig. 5, Oil pump electrical machinery (24) circuit connected in series relay (25) is connected with power electric with power switch (26), and the coils connected in series sensitive switch 1 (15) of relay (25) is electrically connected with two electric connection points being connected relay (25) and power switch (26) respectively with controller contact 1 (27).Due to sensitive switch 1 (15) is fixedly connected on can by the position touched during the step telescopic moving of push rod (1) on support (13), and this position is close to the rising limit of push rod (1), push rod (1) is at this place touching sensitive switch 2 (15), its on off state is made to change into open circuit, relay (25) coil blackout relay (25) blocks Oil pump electrical machinery (24) power supply, Oil pump electrical machinery (24) stops the rotation, because being in series with one-way valve (9) in oil inlet passage, hydraulic oil can not return through one-way valve (9), oil circuit state is blocked when solenoid valve (11) is in, piston (5) and push rod (1) just can remain on the position of having risen.Because Oil pump electrical machinery (24) only rotates between push rod (1) rising stage, the whole period that the Oil pump electrical machinery comparing prior art electro hydraulicthruster must run at hoist rotates, and has significantly saved electric energy.
In Fig. 4 circuit, sensitive switch 1 (14) is electrically connected with two electric connection points being connected relay (25) and power switch (26) respectively with electromagnetic valve coil (29) of connecting after controller contact 2 (28) parallel connection.
In Fig. 5 circuit, solenoid valve 2 coil (30) is electrically connected respectively with two electric connection points being connected relay (25) and power switch (26), and controller contact (28) is in parallel with solenoid valve 2 coil (30) after connecting with solenoid valve 1 coil (29).
Electro hydraulicthruster shown in Fig. 1 works under circuit shown in Fig. 4 coordinates.Switch on power switch (26), electromagnetic valve coil (29) obtains electric through sensitive switch 1 (14), solenoid valve (11) blocks oil circuit, close controller, controller contact 1 (27) and controller contact 2 (28) connect circuit, Oil pump electrical machinery (24) rotary pump oil, piston (5) and push rod (1) rise, in push rod (1) uphill process, the step touching sensitive switch 1 (14) of push rod (1) continues to rise until touching sensitive switch 2 (15) afterwards, Oil pump electrical machinery (24) stops the rotation, because being in series with one-way valve (9) in oil inlet passage, after Oil pump electrical machinery (24) stops the rotation, when solenoid valve (11) blocks oil circuit, piston (5) can remain on lifting position.Breaking controller, controller contact 2 (28) disconnecting circuit, electromagnetic valve coil (29) dead electricity, oil circuit connected by solenoid valve (11), piston (5) and push rod (1) decline, the step of push rod (1) drops to the position of sensitive switch 1 (14), circuit connected by sensitive switch 1 (14), electromagnetic valve coil (29) obtains electric, solenoid valve (11) blocks oil circuit, and piston (5) and push rod (1) stop declining and remaining on current location.With the action of controller in hoist working procedure, repeatedly come and go lifting in the stroke that piston (5) and push rod (1) limit at sensitive switch 1 (14) and sensitive switch 2 (15), hoist is operated in the walking of brake off state and stops walking break to provide in the working state of duty power.The complete disconnecting power switch of operation (26), oil circuit connected by solenoid valve (11), piston (5), under the effect of brake spring (3), drops to the bottom position of piston bore (4), and break exports powerful braking force.
Electro hydraulicthruster shown in Fig. 2 works under circuit shown in Fig. 5 coordinates.Switch on power switch (26), solenoid valve 2 coil (30) obtains electric, solenoid valve 2 (18) blocks the oil circuit of oil outlet (10) to oil back chamber (12), until end-of-job disconnecting power switch (26).Close controller, controller contact 2 (28) connects circuit, and electromagnetic valve coil (29) obtains electric, and solenoid valve (11) blocks oil circuit, Oil pump electrical machinery (24) rotary pump oil, piston (5) and push rod (1) rise.In push rod (1) uphill process, relay coil power-off is made after the step touching sensitive switch 2 (15) of the sheath (16) on push rod (1), relay (25) disconnects Oil pump electrical machinery (24) power supply, Oil pump electrical machinery (24) stops the rotation, and piston remains on lifting position.Breaking controller, controller contact 2 (28) disconnecting circuit, electromagnetic valve coil 1 (29) power-off, oil circuit connected by solenoid valve 1 (18), piston (5) and push rod (1) decline, when stopping declining after piston (5) closed trench hole (6).With the action of controller in hoist working procedure, repeatedly come and go lifting in the stroke that piston (5) and push rod (1) limit at slotted eye (6) and sensitive switch 2 (15), hoist is operated in the walking of brake off state and stops walking break to provide in the working state of duty power.End-of-job, disconnecting power switch (26), electromagnetic valve coil (30) dead electricity, the oil circuit of oil outlet (10) to oil back chamber (12) connected by solenoid valve 2 (19), piston and push rod surmount slotted eye and decline until near bottom piston bore, and break produces powerful braking force.
In Fig. 6, bipolar elastic connection structure (17) is by the center hole of push rod (1) through connecting base (33), nut (31) is threaded with push rod (1), spring housing is on push rod (1), one end is connected with connecting base (33) elasticity, the other end is connected with nut (31) elasticity, one end of scale (34) is connected with connecting base (33) screw, the waist of scale (34) regulates with nut (31) bottom has spring pressure value adjusted position graduation line group (35) with reference to place of aliging, scale top plane is top plane regulating reference position (36).Be in service braking position at piston and push rod, regulate top plane regulating reference position (36) and push rod (1) to push up plane mutually together, just regulated break, nut (31) regulates duty power size.This regulation structure makes adjustment simple and reliable, ensure that the function that break can reach required.
Claims (9)
1. the double-stage stroke electro hydraulicthruster of a built-in brake spring, in the bipolar stroke electro hydraulicthruster agent structure be made up of base (7) and shell (2), piston bore (4) is arranged between base (7) and shell (2), piston (5) is fixedly connected with push rod (1) and is arranged in piston bore (4), shell (2) is stretched out in one end of push rod (1), it is characterized in that: brake spring (3) is set between piston (4) and shell (2) inside top, one end of brake spring (3) is connected with piston (5) elasticity, the other end of brake spring (3) is connected with shell (2) inside top elasticity,
2. the double-stage stroke electro hydraulicthruster of a kind of built-in brake spring according to claim 1, it is characterized in that: piston bore (4) waist grooved hole (6), solenoid valve (11) is connected between slotted eye (6) and oil back chamber (12) oil circuit, and the oil outlet (10) of pressure oil cavity (8) is connected with the filler opening oil circuit of solenoid valve (11);
3. the double-stage stroke electro hydraulicthruster of a kind of built-in brake spring according to claim 1, it is characterized in that: sensitive switch support (13) screw is connected to shell (2) top, sensitive switch 1 (14) is fixedly connected on support (13) can by the position touched when service braking during the step telescopic moving of push rod (1), sensitive switch 2 (15) to be fixedly connected on support (13) can by during the step telescopic moving of push rod (1) close to the position touched during push rod (1) maximum projecting position;
4. the double-stage stroke electro hydraulicthruster of a kind of built-in brake spring according to claim 1, it is characterized in that: piston bore (4) waist grooved hole (6), solenoid valve (11) is connected between slotted eye (6) and oil back chamber (12) oil circuit, and solenoid valve 2 (18) is connected between the oil outlet (10) of pressure oil cavity (8) and oil back chamber (12) oil circuit;
5. the double-stage stroke electro hydraulicthruster of a kind of built-in brake spring according to claim 1, is characterized in that: hook 1 (20) and hook 2 (21) mutual hooks also respectively buckle be connected in the buckle slot (23) of overhead gage (19) and lower pedal (22);
6. the double-stage stroke electro hydraulicthruster of a kind of built-in brake spring according to claim 1, it is characterized in that: Oil pump electrical machinery (24) circuit connected in series relay (25) is connected with power electric with power switch (26), the coils connected in series sensitive switch 1 (15) of relay (25) is electrically connected with two electric connection points being connected relay (25) and power switch (26) respectively with controller contact 1 (27);
7. the double-stage stroke electro hydraulicthruster of a kind of built-in brake spring according to claim 1, is characterized in that: sensitive switch 1 (14) is electrically connected with two electric connection points being connected relay (26) and power switch (27) respectively with electromagnetic valve coil (29) of connecting after controller contact 2 (28) parallel connection;
8. the double-stage stroke electro hydraulicthruster of a kind of built-in brake spring according to claim 1, it is characterized in that: solenoid valve 2 coil (30) is electrically connected respectively with two electric connection points being connected relay (26) and power switch (27), controller contact (28) is in parallel with solenoid valve 2 coil (30) after connecting with solenoid valve 1 coil (29);
9. the double-stage stroke electro hydraulicthruster of a kind of built-in brake spring according to claim 1, it is characterized in that: the waist of scale (34) regulates with nut (31) bottom has spring pressure value adjusted position graduation line (35) with reference to place of aliging, and scale top plane is top plane regulating reference position (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410665870.0A CN104763759A (en) | 2013-11-12 | 2014-11-12 | Dual-journey electric-hydraulic propeller with built-in tripping spring |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013106067053 | 2013-11-12 | ||
| CN201310606705.3A CN103603897A (en) | 2013-11-12 | 2013-11-12 | Built-in brake spring of two-stage stroke hydraulic pusher |
| CN201410665870.0A CN104763759A (en) | 2013-11-12 | 2014-11-12 | Dual-journey electric-hydraulic propeller with built-in tripping spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104763759A true CN104763759A (en) | 2015-07-08 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310606705.3A Pending CN103603897A (en) | 2013-11-12 | 2013-11-12 | Built-in brake spring of two-stage stroke hydraulic pusher |
| CN201410665870.0A Pending CN104763759A (en) | 2013-11-12 | 2014-11-12 | Dual-journey electric-hydraulic propeller with built-in tripping spring |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310606705.3A Pending CN103603897A (en) | 2013-11-12 | 2013-11-12 | Built-in brake spring of two-stage stroke hydraulic pusher |
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| CN (2) | CN103603897A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019448A (en) * | 2017-12-14 | 2018-05-11 | 湖北航天技术研究院特种车辆技术中心 | One kind wheel side electric drive retarder parking brake |
| CN111379757A (en) * | 2018-12-31 | 2020-07-07 | 重庆海峻机电设备有限公司 | Motor base |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379763A (en) * | 2018-12-31 | 2020-07-07 | 重庆海峻机电设备有限公司 | Motor cabinet with position finding device |
-
2013
- 2013-11-12 CN CN201310606705.3A patent/CN103603897A/en active Pending
-
2014
- 2014-11-12 CN CN201410665870.0A patent/CN104763759A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019448A (en) * | 2017-12-14 | 2018-05-11 | 湖北航天技术研究院特种车辆技术中心 | One kind wheel side electric drive retarder parking brake |
| CN111379757A (en) * | 2018-12-31 | 2020-07-07 | 重庆海峻机电设备有限公司 | Motor base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103603897A (en) | 2014-02-26 |
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