CN102514480B - Multifunctional mining construction mechanical wheel walking driving device - Google Patents
Multifunctional mining construction mechanical wheel walking driving device Download PDFInfo
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- CN102514480B CN102514480B CN2011104365877A CN201110436587A CN102514480B CN 102514480 B CN102514480 B CN 102514480B CN 2011104365877 A CN2011104365877 A CN 2011104365877A CN 201110436587 A CN201110436587 A CN 201110436587A CN 102514480 B CN102514480 B CN 102514480B
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Abstract
The invention relates to a multifunctional mining construction mechanical wheel walking driving device, which comprises a machine frame, wheels, a high speed motor, a multifunctional wheel reductor and the like. A high speed end normally closed hydraulic braking assembly and a low speed end normally closed hydraulic braking assembly are arranged in the multifunctional wheel reductor, the high speed end normally closed hydraulic braking assembly is used for parking braking, and the low speed end normally closed hydraulic braking assembly is used for emergency braking and is capable of assisting parking braking. The high speed motor adopts the inserting mode to be connected with the multifunctional wheel reductor. The machine frame is connected with a fixed flange of the multifunctional wheel reductor for support. The wheels are connected with a rotation output flange of the multifunctional wheel reductor to output power and speed. The multifunctional mining construction mechanical wheel walking driving device can be suitable for driving walking work conditions, working braking work conditions, parking braking work conditions and emergency braking work conditions. The multifunctional mining construction mechanical wheel walking driving device combines advantages of low speed hydraulic driving and high speed hydraulic driving, is also suitable for the emergency braking work conditions and simultaneously achieves integration of the wheel reductor and an emergency braking system, thereby simplifying system structure and prolonging service life.
Description
Technical field
The present invention relates to a kind of Multifunctional mining construction mechanical wheel walking driving device.
Background technology
The mining engineering machinery running gear also needs to have parking brake system except the service braking system unifies and is independent of the emergency brake system of service braking system, and requires emergency brake system to adopt the oil-immersed multi-disk brake of hydraulic pressure release spring braking working forms.At present, the wheel limit of mining engineering machinery running gear drives main low speed hydraulic-driven and the high-speed hydraulic of adopting to drive two kinds of modes.The low speed hydraulic driving mode directly drives engineering tyre by low speed hydraulic motor; The high-speed hydraulic type of drive drives engineering tyre by high-speed hydraulic motor in conjunction with wheel reduction gear.Both compare, low speed hydraulic-driven compact conformation, realize service braking by the hydraulic braking mode, general with the drg that can be used for stopping brake and emergency braking, but because of its drg and motor hydraulic circuit independent, therefore drg will seriously shorten drg and motor life for emergency braking, and be not easy to arrange in addition independently drg on the driven at low speed structure; High-speed hydraulic drives and realizes service braking by hydraulic braking, the drg that wheel side speed reducer carries only can be used for stopping brake, drg independently is set in addition and can realizes the function of emergency braking, but difficult arrangement, and the installation of Separate Brake will affect wheel reduction gear service life of its internal bearings particularly.For meeting operating needs, the mining engineering machinery running gear should have the service braking system, parking brake system is unified and is independent of the emergency brake system of service braking system; By should reduce amount of parts as far as possible, simplify mounting means for simplified structure mining engineering machinery running gear; For improving the life-span, the installation of each brake system of mining engineering machinery running gear and use should not affect the life-span of other parts.Above-mentioned two kinds of type of drive are respectively had its own merits and demerits, do not have a kind ofly can meet independently the requirement of mining engineering machinery running gear comprehensively.But both have good complementarity, the low speed hydraulic-driven is simple in structure easy for installation, and high-speed hydraulic driving drg and motor are longer service life.
Summary of the invention
The object of the invention is to overcome the deficiency of existing mining engineering machinery Running System steerage limit drive scheme, a kind of multifunction mine mechanical wheel limit travel driving unit in conjunction with low speed hydraulic-driven and high-speed hydraulic driving advantage and function is provided, make the mining engineering machinery running gear can meet service braking requirement and stopping brake requirement, also can be competent at the emergency braking requirement, simultaneously compact conformation is easy for installation and have high service life, thereby improve the deceleration and stopping performance of complete machine, simplified structure designs, reduces costs.
The Multifunctional mining construction mechanical wheel walking driving device that the present invention proposes, comprise high-speed motor 1, frame 2, wheel 3 and multifunctional wheel side reducer 4, wherein: described multifunctional wheel side reducer 4 comprises low speed end brake assemblies 5, attachment flange 6, speed end brake assemblies 7, secondary planet train 8 and rotation output flange 9, and high-speed motor 1 adopts inserted mode to be connected with multifunctional wheel side reducer 4; Frame 2 is connected with the attachment flange 6 of multifunctional wheel side reducer, plays a supportive role; The rotation output flange 9 of wheel 3 and described multifunctional wheel side reducer 4 is connected, outputting power and speed;
Described low speed end brake assemblies 5 comprises low speed end brake plate fixed mounting 12, low speed end brake plate group 13, low speed end orienting lug 14, attachment flange threaded fasteners 15, low speed end brake piston 16, low speed end lip packing 17, low speed end retarding spring 18, low speed end braking sealing circle group 19, low speed end braking hydraulic fluid port 30 and low speed end orienting lug seal ring group 31, low speed end brake plate fixed mounting 12, low speed end orienting lug 14 connects by attachment flange threaded fasteners 15, low speed end brake plate group 13 is between rotation output flange 9 and low speed end brake plate fixed mounting 12, low speed end brake piston 16 and low speed end orienting lug 14 and the 13 concentric installations of low speed end brake plate group, the lip packing 17 of low speed end is between fixed mounting 12 and low speed end brake plate group 13, low speed end retarding spring 18 is positioned at the spring cavity of low speed end brake piston 16 away from low speed end brake plate group 13 1 sides, low speed end braking sealing circle group 19 is positioned on the inner circle and outer toroid of low speed end brake piston 16, low speed end braking hydraulic fluid port 30 is between low speed end brake plate fixed mounting 12 and low speed end orienting lug 14, high-speed motor 1 adopts inserted mode to be connected with low speed end brake assemblies 5, wheel 3 adopts flange to be connected with low speed end brake assemblies 5,
Described speed end brake assemblies 7 comprises speed end retarding spring 21, back-up ring 22 for hole, speed end spring block 23, speed end brake plate rotary mounting seat 24, motor is installed back-up ring 25, speed end brake plate group 26, speed end brake piston 27, low speed end braking sealing circle group 28 and speed end braking hydraulic fluid port 29, speed end brake plate group 26 is positioned on the male splines of speed end brake plate rotary mounting seat 24, speed end brake piston 27 and the concentric installation of speed end brake plate group 26, speed end retarding spring 21 is arranged in the spring cavity on speed end brake piston 27, back-up ring 22 and speed end spring block 23 and the concentric installation of speed end brake piston 27 for hole, be positioned near high-speed motor 1 one sides, motor is installed back-up ring 25 and is arranged on speed end brake plate rotary mounting seat 24 inner circle grooves, low speed end braking sealing circle group 28 is positioned on speed end brake piston 27 outer toroid, speed end braking hydraulic fluid port 29 is between speed end brake piston 27 and attachment flange 6, high-speed motor 1 adopts inserted mode to be connected with speed end brake assemblies 7, and wheel 3 adopts flange to be connected with speed end brake assemblies 7,
Described secondary planet train 8 comprises input shaft 35, sun wheel 36, pinion carrier 38, planet wheel spindle 39, first order satellite gear 40, the first internally toothed annulus 41, satellite gear locating dowel pin 42, second stage satellite gear 43, the second internally toothed annulus 44 and rotation output flange threaded fasteners 45, the first internally toothed annulus 41 and the second internally toothed annulus 44 are affixed by flange threaded fasteners 45, the first internally toothed annulus 41 and the second internally toothed annulus 44 and input shaft 35 are installed with one heart, sun wheel 36 and the concentric installation of input shaft 35, first order satellite gear 40 meshes with the internal tooth of the first internally toothed annulus 41 and the external tooth of input shaft 35 respectively, second stage satellite gear 43 meshes with the internal tooth of the second internally toothed annulus 44 and the external tooth of sun wheel 36 respectively, pinion carrier 38 and first order satellite gear 40 coaxially are arranged on planet wheel spindle 39, pinion carrier 38 and planet wheel spindle 39 are realized circumferentially affixed by satellite gear locating dowel pin 42, high-speed motor 1 adopts inserted mode to be connected with secondary planet train 8, with outputting power, wheel 3 adopts flange to be connected with secondary planet train 8.
In the present invention, described multifunctional wheel side reducer 4 also comprises floating seal 20, fixed sturcture seal ring group 31, rotation output flange locating dowel pin 32, rotational structure seal ring group 33, lubricated hydraulic fluid port 34, rear side housing 37 and sleeve 46, wherein: floating seal 20 is positioned at the floating seal chamber of attachment flange 6 and rotation output flange 9, rotation output flange locating dowel pin 32 is positioned at the pin-and-hole of the second internally toothed annulus 44 and rotation output flange 9, rotational structure seal ring group 33 is between the second internally toothed annulus 44 and rotation output flange 9 and between the first internally toothed annulus 41 and the second internally toothed annulus 44, rear side housing 37 is positioned at the outermost away from high-speed motor 1, lubricated hydraulic fluid port 34 is positioned on rear side housing 37, sleeve 46 and the concentric installation of attachment flange 6.
In the present invention, described Multifunctional mining construction mechanical wheel walking driving device, different operating combinations of states according to high-speed motor 1, low speed end brake assemblies 5, speed end brake assemblies 7 and secondary planet train 8, can adapt to different operating modes, comprise and drive walking operating mode, service braking operating mode, stopping brake operating mode and emergency braking operating mode.
(1) drive the walking operating mode
During the mining engineering machinery walking, wheel limit actuating device needs output torque and rotating speed.Therefore, by to speed end braking hydraulic fluid port 29 and low speed end braking hydraulic fluid port 30, passing into pressure oil, make speed end brake assemblies 7 and low speed end brake assemblies 5 simultaneously in open mode, the input of high-speed motor 1 is 8 to output to wheel 3, actuating device output drive strength square by two-stage planet in described actuating device.
(2) service braking operating mode
Described Multifunctional mining construction mechanical wheel walking driving device is realized service braking by hydraulic braking.During service braking, pass into pressure oil to speed end braking hydraulic fluid port 29 and low speed end braking hydraulic fluid port 30 respectively, make speed end brake assemblies 7 and low speed end brake assemblies 5 simultaneously in open mode, the A of high-speed motor 1, B mouth block, and by the combination with secondary planet train 8, realize service braking.
(3) stopping brake operating mode
During the mining engineering machinery stopping brake, wish that wheel limit actuating device provides large as far as possible static brake moment.Therefore, by speed end being braked to the hydraulic fluid port 29 oil circuit pressure release that connects, make speed end brake assemblies 7 in closed condition, vehicle is in the stopping brake state; Also can make low speed end brake assemblies 5 in closed condition simultaneously by the low speed end braking hydraulic fluid port 30 oil circuit pressure release that connects, brake for aid parking.
(4) emergency braking operating mode
The mining engineering machinery running gear need to have the emergency brake system that is independent of the service braking system, and emergency brake system should be able to react rapidly and have enough heat-sinking capabilities to reach the explosion-proof requirement of mining engineering machinery.Therefore, by by the low speed end braking hydraulic fluid port 30 oil circuit pressure release that connects, keep passing into high pressure oil in speed end braking hydraulic fluid port 29 simultaneously, make low speed end brake assembly 5 in closed condition, and speed end brake assembly place 7 is in open mode, vehicle is in emergency braking condition.Now, speed end brake assembly 7 is in open mode, and can not produce larger temperature rise does not also affect its service life; And low speed end brake assembly 5 provides emergency braking moment in closed condition; But, because the heat-dissipating space of low speed end brake assemblies is large, heat-sinking capability is strong, can not produce equally larger temperature rise or affect its service life.
With existing, compare, Multifunctional mining construction mechanical wheel walking driving device of the present invention combines the low speed hydraulic-driven and high-speed hydraulic drives advantage, simple and compact for structure, can meet simultaneously and drive the function of walking, service braking, stopping brake and emergency braking can guarantee again the service life of growing.Simplify the structure, reduced cost when optimizing mining engineering machinery drive system performance.
The accompanying drawing explanation
Fig. 1 is structural diagrams of the present invention.
Number in the figure: 1 is high-speed motor, 2 is frame, 3 is wheel, 4 is the multifunctional wheel side reducer, 5 is low speed end brake assemblies, 6 is attachment flange, 7 is the speed end brake assemblies, 8 is the secondary planet train, 9 is the rotation output flange, 10 is clutch shaft bearing, 11 is the second bearing, 12 is low speed end brake plate fixed mounting, 13 is low speed end brake plate group, 14 is low speed end orienting lug, 15 is the attachment flange threaded fasteners, 16 is low speed end brake piston, 17 is the lip packing of low speed end, 18 is low speed end retarding spring, 19 is low speed end braking sealing circle group, 20 is floating seal, 21 is the speed end retarding spring, 22 is the hole back-up ring, 23 is the speed end spring block, 24 is speed end brake plate rotary mounting seat, 25 is motor installation back-up ring, 26 is speed end brake plate group, 27 is the speed end brake piston, 28 is low speed end braking sealing circle group, 29 is speed end braking hydraulic fluid port, 30 is low speed end braking hydraulic fluid port, 31 is low speed end orienting lug seal ring group, 32 is rotation output flange locating dowel pin, 33 is rotational structure seal ring group, 34 is lubricated hydraulic fluid port, 35 is input shaft, 36 is sun wheel, 37 is rear side housing, 38 is pinion carrier, 39 is planet wheel spindle, 40 is first order satellite gear, 41 is the first internally toothed annulus, 42 is the satellite gear locating dowel pin, 43 is second stage satellite gear, 44 is the second internally toothed annulus, 45 is rotation output flange threaded fasteners, 46 is sleeve.
The specific embodiment
Further illustrate the present invention below by embodiment.
Embodiment 1: as shown in Figure 1, a kind of Multifunctional mining construction mechanical wheel walking driving device, comprise high-speed motor 1, frame 2, wheel 3 and multifunctional wheel side reducer 4.Wherein said multifunctional wheel side reducer 4 function blockes comprise low speed end brake assemblies 5, attachment flange 6, speed end brake assemblies 7, secondary planet train 8, rotation output flange 9, clutch shaft bearing 10 and the second bearing 11.
Wherein said low speed end brake assemblies 5 comprises low speed end brake plate fixed mounting 12, low speed end brake plate group 13, low speed end orienting lug 14, attachment flange threaded fasteners 15, low speed end brake piston 16, low speed end lip packing 17, low speed end retarding spring 18, low speed end braking sealing circle group 19, low speed end braking hydraulic fluid port 30, low speed end orienting lug seal ring group 31; For low speed end brake assemblies, rotation output flange 9 plays a part low speed end brake plate rotary mounting seat.The power on low speed end brake piston 16 of acting on comprises the spring force that hydraulic coupling that low speed end braking hydraulic fluid port 30 provides and low speed end retarding spring 18 provide, when hydraulic coupling is greater than spring force, low speed end brake piston 16 moves to the left, low speed end brake plate group 13 is relaxed, thereby makes low speed end brake assemblies 5 in open mode; Otherwise low speed end brake piston 16 moves to the right, low speed end brake plate group 13 is compacted, and low speed end brake assemblies 5 is in braking mode.
Wherein said speed end brake assemblies 7 comprises speed end retarding spring 21, for hole, back-up ring 22, speed end spring block 23, speed end brake plate rotary mounting seat 24, motor are installed back-up ring 25, speed end brake plate group 26, speed end brake piston 27, low speed end braking sealing circle group 28, speed end braking hydraulic fluid port 29; For the high speed brake assemblies, attachment flange 5 plays a part speed end brake plate fixed mounting.The power on speed end brake piston 27 of acting on comprises the spring force that hydraulic coupling that speed end braking hydraulic fluid port 29 provides and speed end retarding spring 21 provide, when hydraulic coupling is greater than spring force, speed end brake piston 27 moves to the left, speed end brake plate group 26 is relaxed, thereby makes speed end brake assemblies 7 in open mode; Otherwise speed end brake plate group 26 is compacted, speed end brake piston 27 moves to the right, and speed end brake assemblies 7 is in braking mode.
Wherein said secondary planet train 8 comprises input shaft 35, sun wheel 36, pinion carrier 38, planet wheel spindle 39, first order satellite gear 40, the first internally toothed annulus 41, satellite gear locating dowel pin 42, second stage satellite gear 43, the second internally toothed annulus 44, rotation output flange threaded fasteners 45.Other main accessories of described multifunctional wheel side reducer also comprise floating seal 20, fixed sturcture seal ring group 31, rotation output flange locating dowel pin 32, rotational structure seal ring group 33, lubricated hydraulic fluid port 34, rear side housing 37 and sleeve 46.
Wherein high-speed motor 1 is hydraulic driving element, and the clutch switching through speed end brake assemblies 7, jointly complete and drive walking and service braking with secondary planet train 8;
Wheel 3 outputting powers and rotating speed;
Secondary planet train 8 is to reduce rotating speed, increases the major part of torque;
Clutch shaft bearing 10 and the second bearing 12 lay respectively in attachment flange 6 and rotation output flange 9, guarantee rotatablely moving between attachment flange 6 and rotation output flange 9; And bear all outer loads;
Speed end brake assemblies 7 is for realizing stopping brake;
Low speed end braking system 5 is for realizing emergency braking, and can the aid parking braking.
A kind of Multifunctional mining construction mechanical wheel walking driving device, different operating combinations of states according to secondary planet train 8, speed end brake assemblies 7 and low speed end brake assemblies 5 in high-speed motor 1 and multifunctional wheel side reducer 4, can adapt to different operating modes, comprise and drive walking operating mode, service braking operating mode, stopping brake operating mode and emergency braking operating mode.
(1) drive the walking operating mode
While driving walking, in speed end braking hydraulic fluid port 29, pass into high pressure oil, speed end brake piston 27 moves to the left, loosens speed end brake plate group 26, thereby makes speed end brake assemblies 7 in open mode; Pass into high pressure oil in the hydraulic fluid port 30 of low speed end braking simultaneously, low speed end brake piston 16 moves to the left, loosens speed end brake plate group 26, thereby makes speed end brake assemblies 7 in open mode; High-speed motor 1 is by secondary planet train 8 outputting powers simultaneously.
(2) service braking operating mode
Described Multifunctional mining construction mechanical wheel walking driving device is realized service braking by hydraulic braking.During service braking, pass into pressure oil to speed end braking hydraulic fluid port 29 and low speed end braking hydraulic fluid port 30, make speed end brake assemblies 7 and low speed end brake assemblies 5 simultaneously in open mode, the A of high-speed motor 1, B mouth are blocked, and realize service braking by the combination with secondary planet train 8.
(3) stopping brake operating mode
During stopping brake, 29 off-loads of speed end braking hydraulic fluid port, speed end retarding spring 26 promotes speed end brake piston 27, compresses speed end brake plate group 26, thereby makes speed end brake assemblies 7 in closed condition, realizes stopping brake; Can select side simultaneously by 30 off-loads of low speed end braking hydraulic fluid port, low speed end retarding spring 18 promotes low speed end brake piston 16, compresses low speed end brake plate group 13, thereby makes speed end brake assemblies 5 in closed condition, the aid parking braking.
(4) emergency braking operating mode
During emergency braking, speed end braking hydraulic fluid port 29 passes into high pressure oil and promotes speed end brake piston 27, loosens speed end brake plate group 26, thereby makes speed end brake assemblies 7 in open mode; 30 off-loads of the hydraulic fluid port of low speed end braking simultaneously, low speed end retarding spring 18 promotes low speed end brake piston 16, compresses low speed end brake plate group 13, thereby makes low speed end brake assemblies 5 in closed condition, and drive system is in emergency braking condition.
Claims (3)
1. a Multifunctional mining construction mechanical wheel walking driving device, comprise high-speed motor (1), frame (2), wheel (3) and multifunctional wheel side reducer (4), it is characterized in that: described multifunctional wheel side reducer (4) comprises low speed end brake assemblies (5), attachment flange (6), speed end brake assemblies (7), secondary planet train (8) and rotation output flange (9), and high-speed motor (1) adopts inserted mode to be connected with multifunctional wheel side reducer (4); Frame (2) is connected with the attachment flange (6) of multifunctional wheel side reducer, plays a supportive role; The rotation output flange (9) of wheel (3) and described multifunctional wheel side reducer (4) is connected, outputting power and speed;
Described low speed end brake assemblies (5) comprises low speed end brake plate fixed mounting (12), low speed end brake plate group (13), low speed end orienting lug (14), attachment flange threaded fasteners (15), low speed end brake piston (16), low speed end lip packing (17), low speed end retarding spring (18), low speed end braking sealing circle group (19), low speed end braking hydraulic fluid port (30) and low speed end orienting lug seal ring group (31), low speed end brake plate fixed mounting (12), low speed end orienting lug (14) connects by attachment flange threaded fasteners (15), low speed end brake plate group (13) is positioned between rotation output flange (9) and low speed end brake plate fixed mounting (12), low speed end brake piston (16) and low speed end orienting lug (14) and the concentric installation of low speed end brake plate group (13), low speed end lip packing (17) is positioned between fixed mounting (12) and low speed end brake plate group (13), low speed end retarding spring (18) is positioned at the spring cavity of low speed end brake piston (16) away from low speed end brake plate group (13) one sides, low speed end braking sealing circle group (19) is positioned on the inner circle and outer toroid of low speed end brake piston (16), low speed end braking hydraulic fluid port (30) is positioned between low speed end brake plate fixed mounting (12) and low speed end orienting lug (14), high-speed motor (1) adopts inserted mode to be connected with low speed end brake assemblies (5), wheel (3) adopts flange to be connected with low speed end brake assemblies (5),
Described speed end brake assemblies (7) comprises speed end retarding spring (21), back-up ring for hole (22), speed end spring block (23), speed end brake plate rotary mounting seat (24), motor is installed back-up ring (25), speed end brake plate group (26), speed end brake piston (27), low speed end braking sealing circle group (28) and speed end braking hydraulic fluid port (29), speed end brake plate group (26) is positioned on the male splines of speed end brake plate rotary mounting seat (24), speed end brake piston (27) and the concentric installation of speed end brake plate group (26), speed end retarding spring (21) is arranged in the spring cavity on speed end brake piston (27), back-up ring for hole (22) and speed end spring block (23) and the concentric installation of speed end brake piston (27), be positioned near high-speed motor (1) one side, motor is installed back-up ring (25) and is arranged on speed end brake plate rotary mounting seat (24) inner circle groove, low speed end braking sealing circle group (28) is positioned on speed end brake piston (27) outer toroid, speed end braking hydraulic fluid port (29) is positioned between speed end brake piston (27) and attachment flange (6), high-speed motor (1) adopts inserted mode to be connected with speed end brake assemblies (7), and wheel (3) adopts flange to be connected with speed end brake assemblies (7),
Described secondary planet train (8) comprises input shaft (35), sun wheel (36), pinion carrier (38), planet wheel spindle (39), first order satellite gear (40), the first internally toothed annulus (41), satellite gear locating dowel pin (42), second stage satellite gear (43), the second internally toothed annulus (44) and rotation output flange threaded fasteners (45), the first internally toothed annulus (41) and the second internally toothed annulus (44) are affixed by flange threaded fasteners (45), the first internally toothed annulus (41) and the second internally toothed annulus (44) and input shaft (35) are installed with one heart, sun wheel (36) and the concentric installation of input shaft (35), first order satellite gear (40) meshes with the internal tooth of the first internally toothed annulus (41) and the external tooth of input shaft (35) respectively, second stage satellite gear (43) meshes with the internal tooth of the second internally toothed annulus (44) and the external tooth of sun wheel (36) respectively, pinion carrier (38) and first order satellite gear (40) coaxially are arranged on planet wheel spindle (39), pinion carrier (38) and planet wheel spindle (39) are realized circumferentially affixed by satellite gear locating dowel pin (42), high-speed motor (1) adopts inserted mode to be connected with secondary planet train (8), with outputting power, wheel (3) adopts flange to be connected with secondary planet train (8).
2. Multifunctional mining construction mechanical wheel walking driving device according to claim 1, it is characterized in that described multifunctional wheel side reducer (4) also comprises floating seal (20), fixed sturcture seal ring group (31), rotation output flange locating dowel pin (32), rotational structure seal ring group (33), lubricated hydraulic fluid port (34), rear side housing (37) and sleeve (46), wherein: floating seal (20) is positioned at the floating seal chamber of attachment flange (6) and rotation output flange (9), rotation output flange locating dowel pin (32) is positioned at the pin-and-hole of the second internally toothed annulus (44) and rotation output flange (9), rotational structure seal ring group (33) is positioned between the second internally toothed annulus (44) and rotation output flange (9) and reaches between the first internally toothed annulus (41) and the second internally toothed annulus (44), rear side housing (37) is positioned at the outermost away from high-speed motor (1), lubricated hydraulic fluid port (34) is positioned on rear side housing (37), sleeve (46) and the concentric installation of attachment flange (6).
3. Multifunctional mining construction mechanical wheel walking driving device according to claim 1, it is characterized in that the different operating combinations of states according to high-speed motor (1), low speed end brake assemblies (5), speed end brake assemblies (7) and secondary planet train (8), can adapt to different operating modes, comprise and drive walking operating mode, service braking operating mode, stopping brake operating mode and emergency braking operating mode, wherein:
(1) drive the walking operating mode:
By to speed end braking hydraulic fluid port (29) and low speed end braking hydraulic fluid port (30), passing into pressure oil, make speed end brake assemblies (7) and low speed end brake assemblies (5) simultaneously in open mode, the input of high-speed motor (1) outputs to wheel (3), actuating device output drive strength square by two-stage planet system (8) in described actuating device;
(2) service braking operating mode:
Pass into pressure oil to speed end braking hydraulic fluid port (29) and low speed end braking hydraulic fluid port (30) respectively, make speed end brake assemblies (7) and low speed end brake assemblies (5) simultaneously in open mode, the outlet of high-speed motor (1) blocks, and by the combination with secondary planet train (8), realizes service braking;
(3) stopping brake operating mode:
Speed end is braked to hydraulic fluid port (29) the oil circuit pressure release that connects, make speed end brake assemblies (7) in closed condition, vehicle is in the stopping brake state; Or, simultaneously by the oil circuit pressure release that connects of low speed end braking hydraulic fluid port (30), make low speed end brake assemblies (5) in closed condition;
(4) emergency braking operating mode:
By the oil circuit pressure release that connects of low speed end braking hydraulic fluid port (30), keep passing into high pressure oil in speed end braking hydraulic fluid port (29) simultaneously, make low speed end brake assembly (5) in closed condition, speed end brake assembly place (7) is in open mode, and vehicle is in emergency braking condition.
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| CN2195659Y (en) * | 1994-09-09 | 1995-04-26 | 彭敖勇 | Automatic changeover speed gear for hydraulic torque converter |
| CN1168954A (en) * | 1997-03-29 | 1997-12-31 | 徐树仁 | Stepless and automatic hydraulic planetary differential speed variator |
| CN1541166A (en) * | 2001-09-27 | 2004-10-27 | ������˹�۳��ֹ����ɷݹ�˾ | Drive device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102514480A (en) | 2012-06-27 |
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