CN202378698U - Coaxial type hydraulic speed-retarding brake system - Google Patents
Coaxial type hydraulic speed-retarding brake system Download PDFInfo
- Publication number
- CN202378698U CN202378698U CN201220006545XU CN201220006545U CN202378698U CN 202378698 U CN202378698 U CN 202378698U CN 201220006545X U CN201220006545X U CN 201220006545XU CN 201220006545 U CN201220006545 U CN 201220006545U CN 202378698 U CN202378698 U CN 202378698U
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- Prior art keywords
- oil pump
- transmission shaft
- clutch
- inner sleeve
- brake system
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- Expired - Lifetime
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Abstract
The utility model discloses a coaxial type hydraulic speed-retarding brake system comprising a drive shaft, a shift fork, a positioning mechanism, a clutch assembly, an oil pump rotor, an oil pump housing and an oil pressure control system, wherein the oil pump rotor is supported on the drive shaft by a bearing; an inner clutch sleeve is supported on the drive shaft by a sliding spline in a matched way; an outer clutch sleeve is fixedly connected on the oil pump rotor and used for realizing the clutching of the drive shaft to the rotor; and the oil pump housing is connected on a rack by bolts. The coaxial type hydraulic speed-retarding brake system has the advantages of being compact in size, light in weight, energy-saving, reliable and long in service life. The brake system is convenient to install and modify, has neither attenuation in braking force after working for long time nor power attenuation when not in work, improves the safety factor and realizes mild and smooth braking without collision; and the coaxial type hydraulic speed-retarding brake system is applicable to vehicle braking and hydraulic motor driving and also can be used for deep wells, deep sea, hoisting tools and the like.
Description
Technical field
The utility model relates to the slow system of a kind of hydraulic pressure, relates in particular to the slow brake system of a kind of coaxial type hydraulic pressure.
Background technology
Along with China's rapid economic development; The highway foundation facility condition improves, and car speed is more and more faster, and heavy-duty vehicle is more and more; These 2 years, motor omnibus, the situation that heavy duty truck is blown out because of brake overheating causes, brake failure causes traffic accident presented ascendant trend year by year.
On May 4th, 2009, Yunnan Province of China is economized the grave accident that a cause truck brake failure causes has been taken place, and three cars bump against and cause a car road surface of rolling away from out of control, cause 14 people dead, and 50 people are injured.The accident investigation reason: the truck that the troublemaker drives is braked in 6 kilometers downhill paths continuously, has increased the wearing in period of brake strap and brake wheel, causes the brake wheel temperature build-up, produces the heat fade phenomenon, finally causes braking failure.Nearly 2 years, China reached 60,000～80,000 people because of the dead number of traffic accident every year, and rank ranks first in the world.According to incompletely statistics, the ratio of rear-end collision in traffic accident is up to more than 30%, and vehicles in use such as truck become the main colony of rear-end collision, and the truck brake failure has occupied quite high ratio.Also can't in desirable distance, stop even under the situation of braking heat decline, operate again the chaufeur of standard, for heavy vehicle configuration retarder very urgent.
The utility model content
To weak point of the prior art, the utility model provides a kind of compact dimensions, and is in light weight, energy-conservation, reliable, the slow brake system of coaxial type hydraulic pressure of long service life.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme: the slow brake system of a kind of coaxial type hydraulic pressure comprises transmission shaft, shift fork, clutch assembly, oil Pump rotor, oil pump case and oil pressure control system;
Said oil Pump rotor is a hollow rotating shaft, through bearing carrier ring on transmission shaft and with transmission shaft axial restraint, rotatable cooperation radially; Said oil pump case through bearing carrier ring on oil Pump rotor and with oil Pump rotor axial restraint, rotatable cooperation radially, the two ends of oil pump case are sealed and matched through sealing arrangement and oil Pump rotor respectively;
Said oil pressure control system comprises energy recycle device, flow-controlling gate and fuel tank; Oil outlet on the said oil pump case is connected with the oil inlet of energy recycle device and flow-controlling gate respectively through pipeline; Oil inlet on the said oil pump case is connected with fuel tank;
Said clutch assembly comprises clutch inner sleeve, clutch outer, active friction plate and from movable friction plate; Said clutch outer be enclosed within transmission shaft outer and with the transmission shaft free-running fit, the right-hand member of clutch outer is captiveed joint with the left end of oil Pump rotor, the left end of clutch outer is provided with from movable friction plate, the interior circle of clutch outer is provided with internal tooth; Said clutch inner sleeve through spline housing on transmission shaft and, axially-displaceable running-fit radially fixing with transmission shaft; The right side cylindrical of said clutch inner sleeve is provided with the external tooth that matches with the internal tooth of clutch outer, and on the cylindrical of the right side of this clutch inner sleeve, is provided with active friction plate, and active friction plate is with corresponding from movable friction plate;
Be provided with annular shift fork mounting groove near the left side on the cylindrical of said clutch inner sleeve, said shift fork is arranged in the shift fork mounting groove.
As a kind of preferred version of the utility model, the middle part of said clutch inner sleeve is provided with a through hole along the radial direction of this clutch inner sleeve, is provided with a location mechanism in the through hole; On transmission shaft and to the position of right lateral Cheng Duan that should through hole, be provided with shrinkage pool; Said detent mechanism comprises steel ball, spring and holding screw, and said holding screw screws in this through hole, and an end of spring is pressed on the holding screw, and the other end is pressed in steel ball on the transmission shaft; Steel ball is positioned at shrinkage pool when detent mechanism is positioned at right lateral Cheng Duan.
As the another kind of preferred version of the utility model, captive joint with frame in the right side of said oil pump case.
Compared with prior art, the slow brake system of coaxial type hydraulic pressure of the utility model has following advantage:
1, oil Pump rotor is to be bearing on the transmission shaft with bearing, and clutch inner sleeve is bearing on the transmission shaft with the spline fitted of sliding, and clutch outer is captiveed joint with the left end of transmission shaft, in order to realize the clutch of transmission shaft and oil Pump rotor.The slow brake system of this coaxial type hydraulic pressure has compact dimensions, and is in light weight, energy-conservation, reliable, the advantage of long service life.
2, this brake system is convenient installs and repacking, and the braking force that works long hours is undamped, no power waste when not working; Improve safety factor; Brake softly, smooth-going, do not collide; Be applicable to that car brakeing also is applicable to the driving of HM Hydraulic Motor, can also be used for deep-well, deep-sea, hang and send instrument goods and materials etc.
Description of drawings
Fig. 1 is the structural representation of the slow brake system of a kind of coaxial type hydraulic pressure.
In the accompanying drawing: 1-transmission shaft; 2-shift fork; 3-detent mechanism; 4-clutch inner sleeve; 5-active friction plate; 6-from movable friction plate; A-external tooth; B-internal tooth; 7-clutch outer; 8-clutch assembly; 9-bolt; 10-oil Pump rotor; 11-oil pump case; 12-sealing arrangement; 13-bearing; 14-bearing; 15-bolt; 16-frame; 17-energy recycle device; 18-pipeline; 19-flow-controlling gate; 20-oil pressure control system.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done to describe in further detail.
As shown in Figure 1, the slow brake system of a kind of coaxial type hydraulic pressure comprises transmission shaft 1, shift fork 2, detent mechanism 3, clutch assembly 8, oil Pump rotor 10, oil pump case 11 and oil pressure control system 20.
Wherein, oil Pump rotor 10 is a hollow rotating shaft, in the endoporus two ends of oil Pump rotor 10, is separately installed with bearing 13, oil Pump rotor 10 be enclosed within on the transmission shaft 1 through bearing 13 and with transmission shaft 1 axial restraint, rotatable cooperation radially.Cylindrical two ends at oil Pump rotor 10 are equipped with bearing 14, oil pump case 11 be enclosed within on the oil Pump rotor 10 through axle sleeve 14 and with oil Pump rotor 10 axial restraints, rotatable cooperation radially; And the two ends at oil pump case 11 are sealed and matched with oil Pump rotor 10 through sealing arrangement 12 (in the present embodiment, sealing arrangement 12 adopts seal ring) respectively, in order to avoid the fluid in the oil pump case 11 leaks outside.Captive joint with frame 16 through bolt 15 in the right side of oil pump case 11.
Oil pressure control system 20 comprises energy recycle device 17, flow-controlling gate 19 and fuel tank.Oil outlet on the oil pump case 11 is connected with the oil inlet of energy recycle device 17 and the oil inlet of flow-controlling gate 19 respectively through pipeline 18, and the oil outlet of the oil outlet of energy recycle device 17 and flow-controlling gate 19 inserts fuel tank through pipeline.Oil inlet on the oil pump case 11 is connected with fuel tank through pipeline.
Clutch assembly 8 comprises clutch inner sleeve 4, clutch outer 7, active friction plate 5 and from movable friction plate 6.Clutch outer 7 be enclosed within transmission shaft 1 outer and with transmission shaft 1 free-running fit; The right-hand member of clutch outer 7 is captiveed joint with the left end of oil Pump rotor 10 through bolt 9; The endoporus left end of clutch outer 7 along the circumferential direction is provided with the circular groove of installation from movable friction plate 6; Be installed in this circular groove from movable friction plate 6, the interior circle of the endoporus right-hand member of clutch outer 7 is provided with internal tooth B.Clutch inner sleeve 4 through spline housing on the transmission shaft 1 and with transmission shaft 1 on radially fixing, axially-displaceable running-fit.On the right-hand member cylindrical of clutch inner sleeve 4, be provided with the external tooth A that matches with the internal tooth of clutch outer 7; And active friction plate 5 (promptly on this external tooth A, being with active friction plate 5) is being installed on the cylindrical of the right side of this clutch inner sleeve 4, and active friction plate 5 is with corresponding from movable friction plate 6.
The cylindrical of clutch inner sleeve 4 is provided with annular shift fork mounting groove near the left side, and shift fork 2 is installed in the shift fork mounting groove, can drive clutch inner sleeve 4 sway through this shift fork 2.The middle part of clutch inner sleeve 4 is provided with a through hole along the radial direction of this clutch inner sleeve 4, is provided with a location mechanism 3 in the through hole.On transmission shaft 1 and to the position of right lateral Cheng Duan that should through hole (be clutch inner sleeve 4 when moving to a left side, the position on the cooresponding transmission shaft 1 of through hole), be provided with shrinkage pool.Detent mechanism 3 comprises steel ball, spring and holding screw, and steel ball is placed on the bottom of through hole, and holding screw screws in this through hole, and an end of spring is pressed on the holding screw, and the other end is pressed on the steel ball, and steel ball is crushed on the transmission shaft 1.When detent mechanism 3 was positioned at right lateral Cheng Duan, steel ball was positioned at shrinkage pool, moved to left in the process of braking to prevent clutch inner sleeve 4.
When the needs glancing impact, shift fork 2 moves to right, and clutch inner sleeve 4 and detent mechanism 3 move right on transmission shaft 1 together; Active friction plate 5 with contact gradually from movable friction plate 6, active friction plate 5 rotates through driving oil Pump rotor 10 from movable friction plate 6 with bigger speed, when reaching unanimity along with rotating speed; External tooth A continues to move to right and combines with internal tooth B, and transmission shaft 1 has constituted an integral body with oil Pump rotor 10, active friction plate 5 and be in relative static conditions from movable friction plate 6; Steel ball in the detent mechanism 3 also moves to right lateral journey end and is stuck in the shrinkage pool, the outside fuel feeding of oil pump, at this moment; Can close the flow-controlling gate 19 in the oil pressure control system 20 gradually; Along with the pressure raising of oil pressure control system 20, the locked-rotor torque on the oil Pump rotor 10 is along with raising, and transmission shaft 1 gets into braking mode.When shift fork 2 moved to left, clutch inner sleeve 4 and detent mechanism 3 moved to left, and the steel ball of detent mechanism 3 is forced the disengaging shrinkage pool; External tooth A withdraws from internal tooth B, active friction plate 5 with disengage from movable friction plate 6, oil Pump rotor 10 stops operating; Braking mode is removed, and transmission shaft 1 is got back to running state again.In the braking procedure, the energy of being imported by transmission shaft 1 is converted into oily pressure ability through oil Pump rotor 10, is sent in the energy recycle device 17 of oil pressure control system 20 through pipeline 18, changes available energy into.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (3)
1. the slow brake system of coaxial type hydraulic pressure is characterized in that: comprise transmission shaft (1), shift fork (2), clutch assembly (8), oil Pump rotor (10), oil pump case (11) and oil pressure control system (20);
Said oil Pump rotor (10) is a hollow rotating shaft, through bearing carrier ring transmission shaft (1) go up and with transmission shaft (1) axial restraint, rotatable cooperation radially; Said oil pump case (11) through bearing carrier ring oil Pump rotor (10) go up and with oil Pump rotor (10) axial restraint, rotatable cooperation radially, the two ends of oil pump case (11) are sealed and matched through sealing arrangement (12) and oil Pump rotor (10) respectively;
Said oil pressure control system (20) comprises energy recycle device (17), flow-controlling gate (19) and fuel tank; Oil outlet on the said oil pump case (11) is connected with the oil inlet of energy recycle device (17) with flow-controlling gate (19) respectively through pipeline (18); Oil inlet on the said oil pump case (11) is connected with fuel tank;
Said clutch assembly (8) comprises clutch inner sleeve (4), clutch outer (7), active friction plate (5) and from movable friction plate (6); Said clutch outer (7) be enclosed within transmission shaft (1) outer and with transmission shaft (1) free-running fit; The right-hand member of clutch outer (7) is captiveed joint with the left end of oil Pump rotor (10); The left end of clutch outer (7) is provided with from movable friction plate (6), and the interior circle of clutch outer (7) is provided with internal tooth; Said clutch inner sleeve (4) is gone up and, axially-displaceable running-fit radially fixing with transmission shaft (1) at transmission shaft (1) through spline housing; The right side cylindrical of said clutch inner sleeve (4) is provided with the external tooth that matches with the internal tooth of clutch outer (7); And on the right side cylindrical of this clutch inner sleeve (4), be provided with active friction plate (5), active friction plate (5) is with corresponding from movable friction plate (6);
Be provided with annular shift fork mounting groove near the left side on the cylindrical of said clutch inner sleeve (4), said shift fork (2) is arranged in the shift fork mounting groove.
2. the slow brake system of a kind of coaxial type hydraulic pressure according to claim 1, it is characterized in that: the middle part of said clutch inner sleeve (4) is provided with a through hole along the radial direction of this clutch inner sleeve (4), is provided with a location mechanism (3) in the through hole; Go up and the position of right lateral Cheng Duan that should through hole is provided with shrinkage pool at transmission shaft (1); Said detent mechanism (3) comprises steel ball, spring and holding screw, and said holding screw screws in this through hole, and an end of spring is pressed on the holding screw, and the other end is pressed in steel ball on the transmission shaft (1); Steel ball is positioned at shrinkage pool when detent mechanism (3) is positioned at right lateral Cheng Duan.
3. the slow brake system of a kind of coaxial type hydraulic pressure according to claim 2 is characterized in that: captive joint with frame (16) in the right side of said oil pump case (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220006545XU CN202378698U (en) | 2012-01-09 | 2012-01-09 | Coaxial type hydraulic speed-retarding brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220006545XU CN202378698U (en) | 2012-01-09 | 2012-01-09 | Coaxial type hydraulic speed-retarding brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202378698U true CN202378698U (en) | 2012-08-15 |
Family
ID=46627219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220006545XU Expired - Lifetime CN202378698U (en) | 2012-01-09 | 2012-01-09 | Coaxial type hydraulic speed-retarding brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202378698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424043A (en) * | 2012-01-09 | 2012-04-25 | 谢陵波 | Coaxial type hydraulic retarding braking device |
| CN109736280A (en) * | 2019-01-04 | 2019-05-10 | 武汉船用机械有限责任公司 | A kind of brake apparatus for self-elevating ocean platform jacking system |
-
2012
- 2012-01-09 CN CN201220006545XU patent/CN202378698U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424043A (en) * | 2012-01-09 | 2012-04-25 | 谢陵波 | Coaxial type hydraulic retarding braking device |
| CN102424043B (en) * | 2012-01-09 | 2013-07-31 | 谢陵波 | Coaxial type hydraulic retarding braking device |
| CN109736280A (en) * | 2019-01-04 | 2019-05-10 | 武汉船用机械有限责任公司 | A kind of brake apparatus for self-elevating ocean platform jacking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120815 Effective date of abandoning: 20130731 |
|
| RGAV | Abandon patent right to avoid regrant |