CN103318797A - Hydraulic thruster provided with retarding springs in longitudinal axis - Google Patents
Hydraulic thruster provided with retarding springs in longitudinal axis Download PDFInfo
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- CN103318797A CN103318797A CN2012100856840A CN201210085684A CN103318797A CN 103318797 A CN103318797 A CN 103318797A CN 2012100856840 A CN2012100856840 A CN 2012100856840A CN 201210085684 A CN201210085684 A CN 201210085684A CN 103318797 A CN103318797 A CN 103318797A
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- spring
- push rod
- retarding
- piston
- hydraulic thruster
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Abstract
The invention discloses a hydraulic thruster provided with retarding springs in a longitudinal axis. An impeller is fixedly connected onto a motor shaft in a motor base; a piston is arranged in a piston cylinder; a push rod fixedly connected with the piston extends out of a casing; the motor base, a partition board and the casing are sequentially fixed and connected; a retarding spring is respectively arranged on two sides of the push rod in the longitudinal axis direction of the hydraulic thruster; and the connecting position of the lower ends of the retarding springs and the bottom of the hydraulic thruster are in threaded/hooked connection. The retarding springs are mounted in the hydraulic thruster in the longitudinal axis and integrated with the hydraulic thruster, so that the appearance is attractive, and the structure is compact.
Description
Affiliated technical field
The present invention relates to a kind of hydraulic driver of drg, especially the hydraulic driver of longitudinal axis mounting spring.
Background technology
At present, known single push rod hydraulic driver is captive joint impeller on the interior motor reel of motor cabinet, in the piston bore between impeller and the shell piston is arranged, and the push rod of captiveing joint with piston stretches out shell.During the hydraulic driver energising, vane pump goes out hydraulic oil, and piston rising push rod stretches out, hydraulic driver outage, piston decline pusher retracted.Because retarding spring and hydraulic driver are not as a whole, the size of brake braking force need rely on regulates the retarding spring acquisition, has the possibility of regulating error.Hydraulic driver has only the single-stage stroke, can not adapt to the stopping brake needs of outdoor hoisting crane, still needs electrical motor not stop rotation after push rod stretches out and puts in place, the waste electric energy.
Summary of the invention
Need to rely on the adjusting retarding spring to obtain in order to overcome existing hydraulic driver braking force size, the deficiency that has the possibility of regulating error, the invention provides a kind of longitudinal axis the hydraulic driver of retarding spring is installed, this hydraulic driver is combined as a whole with retarding spring jointly, the parameter of retarding spring is fixed value, can not regulate, avoid regulating the possibility of error, the good looking appearance compact conformation.
The technical solution adopted for the present invention to solve the technical problems is:
Captive joint impeller on the motor reel in motor cabinet, piston is arranged in the piston bore, the push rod of captiveing joint with piston stretches out shell, motor cabinet, dividing plate, the shell fixed order connects, y direction along hydraulic driver arranges a retarding spring respectively in the push rod both sides, the Connection Block of retarding spring lower end is captiveed joint with the motor cabinet bottom, pull bar stretches out from the upper end hole of retarding spring, pass the connecting bore of spring bracket, the nut that is connected with pull rod screw is captiveed joint pull bar with spring bracket, push rod passes the centre hole of spring bracket, and spring bracket is being shelved on the step of push rod under the effect of spring force.
The invention has the beneficial effects as follows, hydraulic driver only rotates at piston ascent stage electrical motor, has energy-saving effect, retarding spring is installed in the hydraulic driver along the longitudinal axis, be combined into integral body with hydraulic driver, good looking appearance compact conformation, two-stage stroke structure make hydraulic driver have service braking and two kinds of braking forces of stopping brake.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is two-stage stroke hydraulic driver top plan view.
Fig. 2 is the B-B elevation profile organigram of two-stage stroke hydraulic driver embodiment.
Fig. 3 is the A-A elevation profile organigram of two-stage stroke hydraulic driver embodiment.
Fig. 4 is the C-C elevation profile organigram that the liquid two-stage stroke is pressed pusher embodiment.
Fig. 5 is the top plan view of single-stage stroke hydraulic thruster embodiment.
Fig. 6 is the elevation profile organigram of single-stage stroke hydraulic thruster embodiment.
Fig. 7 is location spring elevation profile organigram.
Fig. 8 is another kind of location spring elevation profile organigram.
Fig. 9 is location spring cross-sectional profile organigram.
Figure 10 is the elevation profile organigram of the elastic connection structure of band scale.
Figure 11 is the location seat structure scheme drawing by spring bracket control micro-switch.
Figure 12 is the location seat top by spring bracket control micro-switch.
Figure 13 is the circuit diagram of two-stage stroke hydraulic driver.
Figure 14 is the circuit diagram of single-stage stroke hydraulic thruster.
Figure 15 is stopping brake stroke warning circuit figure.
Figure 16 is the top that the longitudinal axis is installed retarding spring on the prior art.
Figure 17 is the cutaway view that the longitudinal axis is installed retarding spring on the prior art.
1. retarding springs among the figure, 2. spring bracket, 3. push rod, 4. shell, 5. centre hole, 6. nut, 7. connecting bore, 8. pull bar, 9. Connection Block, 10. motor cabinet, 11. impellers, 12. electrical motors, 13. the oil storage storehouse, 14. pistons, 15. check valve sheet, 16. dividing plates, 17. the parking electromagnetic valve, 18. piston bores, 19. parking drainback passages, 20. branch's asphalt channels, 21. pressure bunker 22. working electromagnet valves, 23. work drainback passages, 24. drainback passages, 25. single-stage stroke piston cylinder barrel, 26. spring shells, 27. top dead point micro-switchs, 28. spring, 29. draw-bar seats, 30. driving levers, 31. the bottom dead point micro-switch, 32. micro-switch seats, 33. tie bolts, 34. setting nut, 35. scales, 36. screws, 37. the service braking spring, 38. plunging joints, 39. guideposts, 40. location seat shell, 41. master on offs, 42. parking electromagnetic valve coils, 43. controller, 44. working electromagnet valve coils, 45. relays, 46. low potential source, 47. luminotrons, 48. buzzer phones.
The specific embodiment
At Fig. 1, among Fig. 2, motor cabinet (10), dividing plate (16), shell (4) fixed order connects, y direction along hydraulic driver arranges a retarding spring (1) respectively in push rod (3) both sides, the Connection Block (9) of retarding spring (1) lower end is captiveed joint with motor cabinet (10) bottom, pull bar (8) stretches out from the upper end hole of retarding spring (1), pass the connecting bore (7) of spring bracket (2), the nut (6) that is threaded with pull bar (8), pull bar (8) is captiveed joint with spring bracket (2), push rod (3) passes the centre hole (5) of spring bracket (2), and spring bracket (2) is being shelved on the step of push rod (3) under the effect of spring force.
In Fig. 3, motor cabinet (10), dividing plate (16), shell (4) fixed order connect, and the check valve sheet (15) in the dividing plate (16) is limited near the oilhole, and check valve sheet (15) and the contact level polishing that contacts with it are parallel; Captive joint piston bore (18) between dividing plate (16) and the shell (4), push rod (3) one ends are captiveed joint with piston (14), the other end stretches out shell (4), branch's asphalt channel (20) that oil storage storehouse (21) are connected with parking drainback passage (19) one end oil circuits is arranged in the dividing plate (16), parking drainback passage (19) other end is connected with electromagnetic valve (17) oil inlet oil circuit, and electromagnetic valve (17) oil outlet is connected with oil storage storehouse (13) oil circuit.
Among Fig. 4, the slotted eye of piston bore (18) waist is connected with work drainback passage (23) oil circuit, and the oil inlet of working electromagnet valve (22) is connected with work drainback passage (23) oil circuit, and the oil outlet of working electromagnet valve is connected with oil storage storehouse (13) oil circuit.
At Fig. 5, among Fig. 6, motor cabinet (10), dividing plate (16), shell (4) fixed order connects, y direction along hydraulic driver arranges a retarding spring (1) respectively in push rod (3) both sides, the Connection Block (9) of retarding spring (1) lower end is captiveed joint with motor cabinet (10) bottom, pull bar (8) stretches out from the upper end hole of retarding spring (1), pass the connecting bore (7) of spring bracket (2), the nut (6) that is threaded with pull bar (8), pull bar (8) is captiveed joint with spring bracket (2), push rod (3) passes the centre hole (5) of spring bracket (2), and spring bracket (2) is being shelved on the step of push rod (3) under the effect of spring force.
Check valve sheet (15) in the dividing plate (16) is limited near the oilhole, and check valve sheet (15) and the contact level polishing that contacts with it are parallel; Captive joint single-stage stroke piston cylinder barrel (25) between dividing plate (16) and the shell (4), push rod (3) one ends are captiveed joint with piston (14), the other end stretches out shell (4), branch's asphalt channel (20) that pressure bunker (21) is connected with drainback passage (24) one end oil circuits is arranged in the dividing plate (16), drainback passage (24) other end is connected with electromagnetic valve (22) oil inlet oil circuit, and electromagnetic valve (22) oil outlet is connected with oil storage storehouse (13) oil circuit.
At Fig. 7, Fig. 8, among Fig. 9, in two retarding springs (1) one are only to be the location spring, in spring shell (26), pull bar (8) is captiveed joint with draw-bar seat (29), driving lever (30) is captiveed joint with draw-bar seat (29) and is stretched out the slotted eye of spring shell (26), spring (28) is enclosed within on the pull bar (8), micro-switch seat (32) is fixedly connected on the spring shell (26), top dead point micro-switch (27) is captiveed joint with bolt (33) with micro-switch seat (32) respectively with bottom dead point micro-switch (31), the Connection Block (9) of spring shell (26) lower end is captiveed joint with motor cabinet (10), what Fig. 7 showed is that Connection Block (9) is the bolt that passes motor cabinet (10) bottom, what Fig. 8 showed is that Connection Block is the hook structure of band convex edge, is connected with the hook hole hook of motor cabinet (10) bottom.
In Figure 10, push rod (3) passes the centre hole of plunging joint (38), setting nut (34) is threaded with push rod (3), service braking spring (37) is enclosed within on the push rod (3), one end is shelved on the interior step of plunging joint (38), the other end is connected with nut (34) elasticity, one section of scale (35) is welded on plunging joint (38) and goes up or be fixedly connected on the plunging joint (38) by screw (36), another section and service braking spring (38) axially parallel, when hydraulic driver works in the elasticity connection, the elastic force of spring (37) makes drg produce corresponding braking force, regulate the pressure that setting nut (34) changes spring (37), just can change the braking force of drg, scale (35) makes the degree of setting nut (37) that standard arranged.
In Figure 11, Figure 12, last or the last captive joint location seat shell (40) of guidepost (39) at hydraulic driver shell (4), top dead point micro-switch (27) and bottom dead point micro-switch (31) are fixedly connected on the ad-hoc location in the location seat shell (40), spring bracket (2) is gone up captive joint driving lever (30), driving lever (30) stretches in the location seat shell (40), and driving lever (30) can be stirred the button of micro-switch at ad-hoc location when mobile with spring bracket (2).
In Figure 13, master on off (41), controller (43), relay (45), electrical motor (12) order are electrically connected, working electromagnet valve coil (44) is connected electrically between controller (43) and the relay (45), and the coil of relay (45) series connection bottom dead point micro-switch (31) is connected electrically between controller (43) and the relay (45).Because electromagnetic valve is open type, electromagnetic valve coil energising expression electromagnetic valve blocks the place oil circuit, working electromagnet valve coil (44) is in work drainback passage (23) state that blocks at the hoisting crane run duration always, near rising to top dead point, piston (14) triggers the circuit that top dead point micro-switch (27) disconnects relay (45) coil, relay (45) disconnects electrical motor (12) power supply, produces energy-saving effect.
In Figure 14, master on off (41), controller (43), relay (45), electrical motor (12) order are electrically connected, parking electromagnetic valve coil (42) is connected electrically between master on off (41) and the controller (43), working electromagnet valve coil (44) is connected electrically between controller (43) and the relay (45), and the coil of relay (45) series connection bottom dead point micro-switch (31) is connected electrically between controller (43) and the relay (45).Because electromagnetic valve is open type, parking electromagnetic valve coil (42) behind the end-of-job of hoisting crane, power cut-off, parking electromagnetic valve (17) is connected oil circuit, piston (14) further descends on the basis of service braking, produces stopping brake power.
In Figure 15, low potential source (46), bottom dead point micro-switch (31), luminotron (47), buzzer phone (48) series connection are a loop.Near piston drops to bottom dead point, trigger bottom dead point micro-switch (31) and connect, luminotron (47) and buzzer phone (48) send light harmony separately, and the prompting piston has dropped near the bottom dead point, needs to regulate.
At Figure 16, among Figure 17, motor cabinet (10), dividing plate (16), shell (4) fixed order connects, y direction along hydraulic driver arranges a retarding spring (1) respectively in push rod (3) both sides, the Connection Block (9) of retarding spring (1) lower end is captiveed joint with motor cabinet (10) bottom, pull bar (8) stretches out from the upper end hole of retarding spring (1), pass the connecting bore (7) of spring bracket (2), the nut (6) that is threaded with pull bar (8), pull bar (8) is captiveed joint with spring bracket (2), push rod (3) passes the centre hole (5) of spring bracket (2), and spring bracket (2) is being shelved on the step of push rod (3) under the effect of spring force.Both ends of the surface at piston, oil storage storehouse (13), impeller (11), dividing plate (16), pressure bunker (21) sequencing circuit connect, and electrical motor (12) impeller (11) rotation produces pressure oil and promotes piston stroking upward, and electrical motor stops the rotation, under the effect of external force, hydraulic oil is returned by former road.
Claims (1)
1. captive joint impeller on the motor reel in motor cabinet, piston is arranged in the piston bore, the push rod of captiveing joint with piston stretches out shell, motor cabinet, dividing plate, the shell fixed order connects, it is characterized in that: the y direction along hydraulic driver arranges a retarding spring respectively in the push rod both sides, captive joint with the hydraulic driver bottom in the junction of retarding spring lower end, pull bar stretches out from the upper end hole of retarding spring, pass the connecting bore of spring bracket, the nut that is connected with pull rod screw, pull bar is captiveed joint with spring bracket, and push rod passes the centre hole of spring bracket, and spring bracket is being shelved on the step of push rod under the effect of spring force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100856840A CN103318797A (en) | 2012-03-19 | 2012-03-19 | Hydraulic thruster provided with retarding springs in longitudinal axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100856840A CN103318797A (en) | 2012-03-19 | 2012-03-19 | Hydraulic thruster provided with retarding springs in longitudinal axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103318797A true CN103318797A (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100856840A Pending CN103318797A (en) | 2012-03-19 | 2012-03-19 | Hydraulic thruster provided with retarding springs in longitudinal axis |
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| Country | Link |
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| CN (1) | CN103318797A (en) |
Cited By (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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB392108A (en) * | 1931-12-09 | 1933-05-11 | British Thomson Houston Co Ltd | Improvements in and relating to hydraulic devices |
| GB490669A (en) * | 1936-01-18 | 1938-08-15 | British Thomson Houston Co Ltd | Improvements in and relating to braking mechanism |
| CN1903694A (en) * | 2005-01-20 | 2007-01-31 | 顾晓青 | Bifunctional hydraulic impeller |
| CN101224860A (en) * | 2007-01-20 | 2008-07-23 | 顾晓青 | Energy-saving hydraulic pusher for block brake |
| CN101576104A (en) * | 2008-05-08 | 2009-11-11 | 顾元媛 | Stroke observation structure of hydraulic thruster |
| CN202785450U (en) * | 2012-03-19 | 2013-03-13 | 顾元媛 | Hydraulic pusher with a longitudinal shaft having brake spring |
-
2012
- 2012-03-19 CN CN2012100856840A patent/CN103318797A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB392108A (en) * | 1931-12-09 | 1933-05-11 | British Thomson Houston Co Ltd | Improvements in and relating to hydraulic devices |
| GB490669A (en) * | 1936-01-18 | 1938-08-15 | British Thomson Houston Co Ltd | Improvements in and relating to braking mechanism |
| CN1903694A (en) * | 2005-01-20 | 2007-01-31 | 顾晓青 | Bifunctional hydraulic impeller |
| CN101224860A (en) * | 2007-01-20 | 2008-07-23 | 顾晓青 | Energy-saving hydraulic pusher for block brake |
| CN101576104A (en) * | 2008-05-08 | 2009-11-11 | 顾元媛 | Stroke observation structure of hydraulic thruster |
| CN202785450U (en) * | 2012-03-19 | 2013-03-13 | 顾元媛 | Hydraulic pusher with a longitudinal shaft having brake spring |
Cited By (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 |
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Application publication date: 20130925 |