CN112046277A - Modularized integrated wet steering drive axle for outer swing frame of wheeled excavator - Google Patents
Modularized integrated wet steering drive axle for outer swing frame of wheeled excavator Download PDFInfo
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- CN112046277A CN112046277A CN202011084882.6A CN202011084882A CN112046277A CN 112046277 A CN112046277 A CN 112046277A CN 202011084882 A CN202011084882 A CN 202011084882A CN 112046277 A CN112046277 A CN 112046277A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Retarders (AREA)
Abstract
The invention discloses a modularized integrated wet steering drive axle of an outer swing frame of a wheel type excavator. The device comprises an axle housing module as a base module, and a wheel edge module, a brake module, a swinging steering module and a main reducing module which are integrated on the axle housing module; the wheel edge module is connected with the axle housing body module through a conical end set screw, a spline pair, a locking nut, a supporting pad and a bearing; the wheel edge module is connected with the brake module through a spline pair; the brake module is connected with the axle housing module through a bolt group; the swing steering module is connected with the axle housing module through a bolt group and a bearing; the main reducing module is connected with the axle housing module through a spline pair and a bolt group. The steering drive axle adopts the existing and mature axle differential principle, combines planetary gear transmission and common straight-tooth gear transmission, and provides a reciprocating hydraulic steering oil cylinder by adding a normally-open multi-disc wet brake technology, and realizes the steering requirement and the steering drive function by optimizing a steering system of the hydraulic steering oil cylinder.
Description
Technical Field
The invention relates to a steering drive axle of a wheel type excavator, in particular to a modularized integrated wet steering drive axle of an outer swing frame of the wheel type excavator.
Background
With the increase of the competitiveness of the engineering machinery industry, various manufacturers strive to develop precise and efficient engineering machinery products, users do not meet the requirements of general mechanical axles any more, and the products with higher pursuit speed, higher bearing capacity, more flexibility and no occasion limitation are pursued.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a modularized integrated wet steering drive axle of an outer swing frame of a wheel type excavator, which adopts the existing and mature axle differential principle, the design of the integration of planetary gear transmission and common straight-tooth gear transmission, and the technology of a normally open multi-disc wet brake, and simultaneously provides a reciprocating hydraulic steering oil cylinder, optimizes the steering system through statistical comparison, realizes the steering requirement and finally realizes the steering drive function.
In order to achieve the purpose, the modularized integrated wet steering drive axle of the wheel excavator outer swing frame comprises an axle housing body module V serving as a base body module, and a wheel edge module I, a brake module II, a swing steering module III and a main reducing module IV which are all integrated on the axle housing body module V;
the wheel edge module I is connected with an axle housing module V through a conical end set screw 1, a spline pair I2, a locking nut I3, a supporting pad 4, a spline pair II 5 and a bearing I8;
the wheel edge module I is connected with the brake module II through a spline pair III 7;
the brake module II is connected with the axle housing body module V through a bolt group I9;
the swing steering module III is connected with the axle housing module V through a second bolt group 10, a second bearing 11 and a fourth bolt group 14;
and the main reduction module IV is connected with the bridge shell module V through a spline pair IV 12 and a bolt set III 13.
Further, on the axle housing module V, an axle housing V-8 is a base component, a main pin seat V-1 is rotatably mounted on the axle housing V-8 around a vertical axis through a second bearing 11 and a second bolt set 10, needle roller bearings V-3 which are positioned and fixed through a steel wire retainer ring V-4 are arranged on the main pin seat V-1 and the axle housing V-8, the needle roller bearings V-3 are used as carriers for supporting a steering half shaft V-2, and an oil cylinder supporting block V-6 is fastened on the axle housing V-8 through an eleventh bolt set V-7.
Further, a framework oil seal V-5 is arranged between the steering half shaft V-2 and the main pin seat V-1 and between the steering half shaft V-2 and the axle housing V-8.
Further, on the wheel edge module I, a wheel hub I-2 is connected with a connecting sleeve I-3 through a bolt group V I-1, the wheel hub I-2 is provided with an O-shaped ring I-4 through an O-shaped ring groove, the connecting sleeve I-3 is connected with a planet carrier I-7 through a bolt group VI I-17, a planet wheel shaft I-15 with a large-end milled step is arranged on the planet carrier I-7 in a penetrating mode, the planet wheel shaft I-15 supports a planet wheel I-14 to rotate through a bearing IV-16, one side of the planet wheel I-14 is meshed with a central wheel I-8, the other side of the planet wheel I-14 is meshed with a gear ring I-6, the gear ring I-6 is embedded with a 4, and the small end of the gear ring I-6 is connected with a support pad through a bearing III-5 and the wheel hub I-2, the wheel hub I-2 is tightly matched with a rim bolt group seven I-20, the rim bolt group seven I-20 penetrates through a connecting sleeve I-3 to be connected with an external component, a top shaft I-11 is arranged in the large end of a center wheel I-8, the small end of the center wheel I-8 is in contact with a connecting sleeve I-18, the connecting sleeve I-18 is in contact with a lining I-19, the lining I-19 is installed in a main pin seat V-1 of a bridge shell module, a planet carrier I-7 is connected with an end cover I-12 through a hole retainer ring I-10, an O-shaped ring II I-9 is arranged on the outer side of the end cover I-12, and a wear-resistant block I-13 which is 1.5mm away from the top shaft I-11 is embedded in the end cover I-12.
Further, floating oil seals 6 are respectively arranged on the wheel edge module I and the brake module II.
Further, on the brake module II, a brake shell II-2 is connected with an inner gear shell II-6 through a bolt group VII-1, the right end of the inner gear shell II-6 is provided with an adjusting pad II-7, the right end of the adjusting pad II-7 is provided with a brake disc II-8 capable of moving axially, the brake disc II-8 is matched with an inner spline of the inner gear shell II-6 through an outer spline, the right side of the brake disc II-8 is provided with a friction disc II-9 which is staggered with the brake disc II-8, an inner hexagonal screw II-5 sleeved with a spring II-4 is arranged in a deep hole of a piston II-10, a Y-shaped ring II-3 is sleeved on the piston II-10 according to the mouth-to-mouth direction, the Y-shaped ring II-3 and the piston II-10 are connected with the brake shell II-2 through the inner hexagonal screw II-5 together, and the piston II-10 is connected with the brake shell II-2 to form an inner cavity B which is communicated with the oil port A.
Furthermore, the brake plate II-8 is provided with one more brake plate than the friction plate II-9, and a certain gap is reserved between the rightmost brake plate II-8 and the piston II-10.
Further, on the swing steering module III, a swing frame III-9 is used as a base component, a steering oil cylinder III-5 is connected with the swing frame III-9 through a bolt group VIII-6, a steering pull rod III-3 is connected with the steering oil cylinder III-5 through a pin shaft II-4, a joint bearing III-8 is connected with the steering pull rod III-3 through threads, the joint bearing III-8 is connected with a steering end cover III-1 through a pin shaft I-2, and an oil port C and an oil port D are formed in the steering oil cylinder III-5.
Furthermore, a first cotter pin III-7 and a second cotter pin III-10 are correspondingly arranged at the end parts of the first pin shaft III-2 and the second pin shaft III-4 respectively.
Further, on the main reduction module IV, a speed reducer shell IV-7 is a basic component, an active spiral umbrella IV-6 is positioned on the speed reducer shell IV-7 through a bearing five IV-4, a bearing six IV-5 and a bearing seven IV-8, the active spiral umbrella IV-6 presses a connecting disc IV-2 through a lock nut two IV-1, the bearing five IV-4 is further pressed for fixing and is sealed through an oil seal IV-3, a passive spiral umbrella IV-15 meshed with the active spiral umbrella IV-6 is fixed on a right differential half shell IV-16 through a bolt group decaIV-19, the right differential half shell IV-16 and a left differential half shell IV-11 are connected through a bolt group nonaIV-17, and the right differential half shell IV-16 are fixed on the speed reducer shell IV-9 through a bearing octaIV-10 and a lock nut III IV-9 On the body IV-7, a cross shaft IV-13 is arranged in four uniformly distributed holes formed in a matching surface of a right differential half shell IV-16 and a left differential half shell IV-11 after the right differential half shell IV-16 and the left differential half shell IV-11 are connected, four planet wheels IV-18 are arranged on the cross shaft IV-13, a half axle gear IV-12 and a half axle gear IV-14 are respectively arranged on two sides of the cross shaft IV-13, the half axle gear IV-12 and the half axle gear IV-14 are simultaneously meshed with the four planet wheels IV-18, and splines are arranged in inner holes of the two half axle gears IV-12 and connected with a steering half axle V-2 to serve as power.
Compared with the prior art, the wheel type excavator steering drive axle has the following beneficial effects:
1. the modularized design is adopted, the universality is enhanced, the same bridge load can be borrowed indiscriminately, and the manufacturing cost is reduced;
2. the integrated assembly is adopted, so that the modules are mutually connected through the bolts or the locking nuts and are mutually independent, the performances of all parts of the axle can be better inspected, weak positions can be found, and the design optimization is facilitated;
3. by adopting the wet brake, the wheel excavator does not need to perform explosion-proof treatment particularly on the axle in occasions with special requirements such as coal mines and the like, so that the applicability is improved;
4. the design of the outer swing frame is adopted, so that the stress of the axle is transferred to two sides, the deformation of the central part of the axle is reduced, and the rigidity of the axle is increased; the maintenance is more convenient due to the adoption of the modularized integrated design.
Drawings
FIG. 1 is an overall view of a steering drive axle of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is an axle housing block diagram of the present invention;
FIG. 4 is a wheel edge module diagram of the present invention;
FIG. 5 is a block diagram of the brake of the present invention;
FIG. 6 is a block diagram of the swing transformation of the present invention;
FIG. 7 is a side elevational view of FIG. 6;
FIG. 8 is a main subtraction block diagram of the present invention;
in fig. 1: the device comprises a wheel edge module, a brake module, a swing steering module, a main reducing module, an axle housing module, a cone end fastening screw, a spline pair I, a spline pair 3, a locknut I, a support pad, a spline pair II, a spline pair 6, a floating oil seal, a bearing I, a bolt pair I, a bolt group 10, a bolt group II, a bolt group 11, a bearing II, a spline pair 12, a spline pair IV, a bolt group III, a bolt group 14 and a bolt group IV;
in fig. 3: v-1, a main pin base, V-2, a steering half shaft, V-3, a needle bearing, V-4, a steel wire retainer ring, V-5, a framework oil seal, V-6, an oil cylinder supporting block, V-7, a bolt group eleven, V-8 and an axle housing body;
in fig. 4: i-1, a bolt group V, I-2, a hub, I-3, a connecting sleeve, I-4, an O-shaped ring I, I-5, a bearing III, I-6, a gear ring, I-7, a planet carrier, I-8, a center wheel, I-9, an O-shaped ring II, I-10, a hole check ring, I-11, a top shaft, I-12, an end cover, I-13, a wear-resistant block, I-14, a planet wheel, I-15, a planet wheel shaft, I-16, a bearing IV, I-17, a bolt group VI, I-18, a connecting sleeve, I-19, a lining, I-20 and a rim bolt group;
in fig. 5: II-1, a bolt group seven, II-2, a brake shell, II-3, a Y-shaped ring, II-4, a spring, II-5, an inner hexagonal screw, II-6, an inner tooth shell, II-7, an adjusting pad, II-8, a brake piece, II-9, a friction plate, II-10 and a piston;
in fig. 6 and 7: III-1, a steering end cover, III-2, a first pin shaft, III-3, a steering pull rod, III-4, a second pin shaft, III-5, a steering oil cylinder, III-6, eight and 7 bolt groups, a first cotter pin, III-8, a joint bearing, III-9, a swing frame, III-10 and a second cotter pin;
in fig. 8: IV-1, a second locking nut, an IV-2, a flange, an IV-3, an oil seal, IV-4, a fifth bearing, an IV-5, a sixth bearing, an IV-6, a driving spiral bevel, an IV-7, a reducer shell, an IV-8, a seventh bearing, an IV-9, a third locking nut, an IV-10, an eighth bearing, an IV-11, a left differential half shell, an IV-12, a half shaft gear, an IV-13, a cross shaft, an IV-14, a half shaft gear, an IV-15, a driven spiral bevel, an IV-16, a right differential half shell, an IV-17, a nine bolt group, an IV-18, a planet wheel, an IV-19 and a ten bolt group.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the modularized integrated wet steering drive axle of the outer swing frame of the wheel excavator comprises an axle housing body module v serving as a base body module, and a wheel edge module i, a brake module ii, a swing steering module iii and a main reducing module iv which are all integrated on the axle housing body module v;
the wheel edge module I is connected with an axle housing module V through a conical end set screw 1, a spline pair I2, a locking nut I3, a supporting pad 4, a spline pair II 5 and a bearing I8;
the wheel edge module I is connected with the brake module II through a spline pair III 7;
the brake module II is connected with the axle housing body module V through a bolt group I9;
the swing steering module III is connected with the axle housing module V through a second bolt group 10, a second bearing 11 and a fourth bolt group 14;
and the main reduction module IV is connected with the bridge shell module V through a spline pair IV 12 and a bolt set III 13.
Further, as shown in fig. 3, on the axle housing module v, an axle housing v-8 is a base member, a kingpin boss v-1 is rotatably mounted on the axle housing v-8 around a vertical axis through a second bearing 11 and a second bolt set 10, the kingpin boss v-1 and the axle housing v-8 are both provided with a needle bearing v-3 positioned and fixed through a steel wire retainer v-4, the needle bearing v-3 is used as a carrier for supporting a steering half shaft v-2, and a cylinder support block v-6 is fastened on the axle housing v-8 through an eleventh bolt set v-7.
Further, a framework oil seal V-5 is arranged between the steering half shaft V-2 and the main pin seat V-1 and between the steering half shaft V-2 and the axle housing V-8.
Further, as shown in fig. 4, on the wheel edge module I, a wheel hub I-2 is connected with a connecting sleeve I-3 through a bolt group V I-1, the wheel hub I-2 is provided with an O-shaped ring I-4 through an O-shaped ring groove, the connecting sleeve I-3 is connected with a planet carrier I-7 through a bolt group VI I-17, a planet wheel shaft I-15 with a large-end milled step is arranged on the planet carrier I-7 in a penetrating mode, the planet wheel shaft I-15 supports a planet wheel I-14 to rotate through a bearing IV-16, one side of the planet wheel I-14 is meshed with a central wheel I-8, the other side of the planet wheel I-8 is meshed with a gear ring I-6, a supporting pad 4 is embedded in the gear ring I-6, and the small end of the gear ring I-6 is connected with the wheel hub I-2 through a bearing III-5, the wheel hub I-2 is tightly matched with a rim bolt group seven I-20, the rim bolt group seven I-20 penetrates through a connecting sleeve I-3 to be connected with an external component, a top shaft I-11 is arranged in the large end of a center wheel I-8, the small end of the center wheel I-8 is in contact with a connecting sleeve I-18, the connecting sleeve I-18 is in contact with a lining I-19, the lining I-19 is installed in a main pin seat V-1 of a bridge shell module, a planet carrier I-7 is connected with an end cover I-12 through a hole retainer ring I-10, an O-shaped ring II I-9 is arranged on the outer side of the end cover I-12, and a wear-resistant block I-13 which is 1.5mm away from the top shaft I-11 is embedded in the end cover I-12.
Furthermore, floating oil seals 6 are arranged on the wheel edge module I and the brake module II respectively, and sealing is achieved.
The transmission route of the wheel edge module I is as follows: the central wheel I-7 rotates to drive the planet wheel I-14, and because the gear ring I-6 is in a static state, the planet wheel I-14 rotates to drive the planet carrier I-7 to rotate, the planet carrier I-7 drives the connecting sleeve I-3 to rotate, the connecting sleeve I-3, the hub I-2 and the rim bolt component I-20 are connected together to drive the external component to rotate together to realize power output.
Further, as shown in figure 5, on the brake module II, a brake shell II-2 is connected with an inner gear shell II-6 through a bolt group VII-1, the right end of the inner gear shell II-6 is provided with an adjusting pad II-7, the right end of the adjusting pad II-7 is provided with a brake pad II-8 capable of moving axially, the brake pad II-8 is matched with an inner spline of the inner gear shell II-6 through an outer spline, the right side of the brake pad II-8 is provided with a friction plate II-9 arranged with the brake pad II-8 in a staggered way, an inner hexagonal screw II-5 sleeved with a spring II-4 is arranged in a deep hole of a piston II-10, a Y-shaped ring II-3 is sleeved on the piston II-10 according to the mouth-to-mouth direction, the Y-shaped ring II-3 and the piston II-10 are connected with the brake shell II-2 through the inner hexagonal screw II, and the piston II-10 is connected with the brake shell II-2 to form an inner cavity B which is communicated with the oil port A. The friction plate II-9 can move axially and can also rotate freely around the axis.
Furthermore, the brake plate II-8 is provided with one more brake plate than the friction plate II-9, and a certain gap is reserved between the rightmost brake plate II-8 and the piston II-10.
The braking principle of the brake module II is as follows: high-pressure oil is introduced into the port A and enters the inner cavity B, hydraulic oil in the inner cavity B overcomes the spring force generated by the spring II-4 to push the left Y-shaped ring II-3 to drive the piston II-10 to move leftwards and press the piston II-8 to the brake disc II-8, the brake disc II-8 presses the friction disc II-9, the brake disc II-8 and the friction disc II-9 are arranged in a staggered mode, and when the piston II-3 is compressed axially by pressure, friction torque is generated on a contact surface to prevent the friction disc II-9 from. When the high-pressure oil in the port A is removed, the piston II-10 moves rightwards under the action of the spring force to loosen the brake disc II-8, so that the pressure between the brake disc II-8 and the friction disc II-9 disappears, the friction torque disappears, and the friction disc II-9 can freely rotate around the axis to release the braking.
Further, as shown in fig. 6 and 7, on the swing steering module iii, a swing frame iii-9 is a base member, a steering cylinder iii-5 is connected with the swing frame iii-9 through a bolt group viii-6, a steering rod iii-3 is connected with the steering cylinder iii-5 through a pin shaft ii-4, a knuckle bearing iii-8 is connected with the steering rod iii-3 through a thread, the knuckle bearing iii-8 is connected with a steering end cover iii-1 through a pin shaft iii-2, and an oil port C and an oil port D are formed in the steering cylinder iii-5.
Furthermore, a first cotter pin III-7 and a second cotter pin III-10 are correspondingly arranged at the end parts of the first pin shaft III-2 and the second pin shaft III-4 respectively.
The steering principle of the swing steering module III is as follows: and oil is fed into an oil port C of a steering oil cylinder III-5, oil is discharged from an oil port D, hydraulic oil pushes an oil cylinder piston to move rightwards, at the moment, the steering oil cylinder III-5 pulls a left steering pull rod III-3 and simultaneously pulls a joint bearing III-8, a left steering end cover III-1 is driven to rotate around the center by pulling force, the steering oil cylinder III-5 pushes a right steering pull rod III-3 and simultaneously pushes a right joint bearing III-8, a right steering end cover III-1 is driven to rotate around the center by pushing force, and a main pin seat V-1 is driven to rotate together by the steering end cover III-1, so that steering is realized. The oil inlet and the oil outlet are exchanged, and the direction of rotation is opposite.
Further, as shown in figure 8, on the main reducing module IV, a speed reducer shell IV-7 is a basic component, a driving spiral bevel IV-6 is positioned on the speed reducer shell IV-7 through a bearing five IV-4, a bearing six IV-5 and a bearing seven IV-8, the driving spiral bevel IV-6 presses a connecting disc IV-2 through a locking nut two IV-1, the bearing five IV-4 is further pressed for fixing and is sealed through an oil seal IV-3, a driven spiral bevel IV-15 meshed with the driving spiral bevel IV-6 is fixed on a right differential half shell IV-16 through a bolt group decaIV-19, the right differential half shell IV-16 and a left differential half shell IV-11 are connected through a bolt group nine IV-17, and the right differential half shell IV-16 are fixed through a bearing octaIV-10 and a locking nut three IV-9 And the right differential half shell IV-16 is connected with the left differential half shell IV-11, four uniformly distributed holes are formed in the matching surface of the right differential half shell IV-7, a cross shaft IV-13 is arranged in each hole, four planet wheels IV-18 are arranged on the cross shaft IV-13, a half axle gear IV-12 and a half axle gear IV-14 are respectively arranged on two sides of the cross shaft IV-13, the half axle gear IV-12 and the half axle gear IV-14 are simultaneously meshed with the four planet wheels IV-18, and splines are arranged in the inner holes of the two half axle gears IV-12 and connected with a steering half axle V-2 to serve as power output components.
And a power transmission route on the main reduction module IV: the flange IV-2 is subjected to external power to drive the driving spiral shell umbrella IV-6, the driving spiral shell umbrella IV-6 drives the driven spiral shell umbrella IV-15, the driven spiral shell umbrella IV-15 drives the differential case (the left half shell IV-11 and the right half shell IV-16), the differential case drives the cross shaft IV-13, the cross shaft IV-13 drives the planet wheel IV-18, the planet wheel IV-18 drives the half shaft gears IV-12 and IV-14, and power is output. When the axle does linear motion, the planet wheel IV-18 only revolves around the center of the differential case, and when the axle turns, the planet wheel IV-18 not only revolves around the center of the differential case, but also rotates around the cross shaft IV-13 to realize differential.
Through the above detailed description of the modules, the following paths are determined:
1. a transmission route is as follows: external force → flange IV-2 → driving spiral shell IV-6 → driven spiral shell IV-15 → driving differential case (left half shell IV-11 and right half shell IV-16) → cross axle IV-13 → planet wheel IV-18 → side gear IV-12 and IV-14 → steering half axle V-2 → coupling sleeve I-18 → center wheel I-8 → planet wheel I-14 → planet carrier I-7 → connecting sleeve I-3 → hub I-2 → wheel rim bolt assembly I-20 → output element output.
Braking transmission route: according to the module II, the friction plate II-9 is connected with the hub I-2 through the spline pair, the hub I-2 is braked when the friction plate II-9 is braked, the output element is braked, the hub I-2 is released when the friction plate II-9 is released, and the output element is released.
Turning a transmission route: according to the module III, the steering end cover III-1 drives a main pin seat V-1, the main pin seat V-1 drives a wheel edge module I and a brake module II to rotate together, and the wheel edge module I drives an output element to steer.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A wet steering drive axle of an outer swing frame of a modularized integrated wheel type excavator is characterized in that,
the device comprises a bridge shell module (V) as a base module, and a wheel edge module (I), a brake module (II), a swinging steering module (III) and a main reducing module (IV) which are all integrated on the bridge shell module (V);
the wheel edge module (I) is connected with the axle housing module (V) through a conical end set screw (1), a spline pair I (2), a lock nut I (3), a supporting pad (4), a spline pair II (5) and a bearing I (8);
the wheel edge module (I) is connected with the brake module (II) through a spline pair III (7);
the brake module (II) is connected with the axle housing body module (V) through a bolt group I (9);
the swing steering module (III) is connected with the axle housing body module (V) through a second bolt group (10), a second bearing (11) and a fourth bolt group (14);
and the main reducing module (IV) is connected with the axle housing body module (V) through a spline pair four (12) and a bolt group three (13).
2. The modular integrated wheeled excavator outer swing frame wet steering axle of claim 1,
on the bridge shell module (V), a bridge shell (V-8) is a basic component, a main pin seat (V-1) is rotatably installed on the bridge shell (V-8) around a vertical axis through a second bearing (11) and a second bolt group (10), needle roller bearings (V-3) which are positioned and fixed through a steel wire retainer ring (V-4) are arranged on the main pin seat (V-1) and the bridge shell (V-8), the needle roller bearings (V-3) are used as carriers for supporting a steering half shaft (V-2), and an oil cylinder supporting block (V-6) is fastened on the bridge shell (V-8) through an eleventh bolt group (V-7).
3. The modular integrated wheeled excavator outer swing frame wet steering axle of claim 2,
and a framework oil seal (V-5) is arranged between the steering half shaft (V-2) and the main pin boss (V-1) and between the steering half shaft (V-2) and the axle housing (V-8).
4. The modular integrated wheeled excavator outer swing frame wet steering axle of claim 1,
on the wheel edge module (I), a wheel hub (I-2) is connected with a connecting sleeve (I-3) through a bolt group V (I-1), an O-shaped ring I (I-4) is arranged on the wheel hub (I-2) through an O-shaped ring groove, the connecting sleeve (I-3) is connected with a planet carrier (I-7) through a bolt group VI (I-17), a planet wheel shaft (I-15) with a large end milled with a step is arranged on the planet carrier (I-7) in a penetrating mode, the planet wheel shaft (I-15) supports a planet wheel (I-14) to rotate through a bearing IV (I-16), one side of the planet wheel (I-14) is meshed with a central wheel (I-8), the other side of the planet wheel is meshed with a gear ring (I-6), and a supporting pad (4) is embedded in the gear ring (I-6), the small end of the gear ring (I-6) is connected with a hub (I-2) through a bearing III (I-5), the hub (I-2) is tightly matched with a rim bolt group VII (I-20), the rim bolt group VII (I-20) penetrates through a connecting sleeve (I-3) to be connected with an external component, a top shaft (I-11) is arranged in the large end of the central wheel (I-8), the small end of the central wheel (I-8) is in mutual contact with a connecting sleeve (I-18), the connecting sleeve (I-18) is in mutual contact with a lining (I-19), the lining (I-19) is installed in a main pin boss (V-1) of the bridge shell module, the planet carrier (I-7) is connected with an end cover I-12) through a hole retainer ring (I-10), and the outer side of the end cover (I-12) is provided with an O-II (I-9), the end cover (I-12) is internally embedded with a wear-resistant block (I-13) which is 1.5mm away from the top shaft (I-11).
5. The modular integrated wheeled excavator outer swing frame wet steering axle of claim 4,
and floating oil seals (6) are respectively arranged on the wheel edge module (I) and the brake module (II).
6. The modular integrated wheeled excavator outer swing frame wet steering axle of claim 1,
on the brake module (II), a brake shell (II-2) is connected with an inner gear shell (II-6) through a bolt group seven (II-1), the right end of the inner gear shell (II-6) is provided with an adjusting pad (II-7), the right end of the adjusting pad (II-7) is provided with a brake disc (II-8) capable of moving axially, the brake disc (II-8) is matched with an inner spline of the inner gear shell (II-6) through an outer spline, the right side of the brake disc (II-8) is provided with a friction disc (II-9) which is staggered with the brake disc (II-8), an inner hexagonal screw (II-5) sleeved with a spring (II-4) is installed in a deep hole of the piston (II-10), a Y-shaped ring (II-3) is sleeved on the piston (II-10) according to the mouth direction, and the Y-shaped ring (II-3) and the piston (II-10) jointly pass through the inner hexagonal screw (II- -5) is connected with the brake housing (II-2), and the piston (II-10) is connected with the brake housing (II-2) to form an inner cavity B which is communicated with the oil port A.
7. The modular integrated wheeled excavator outer swing frame wet steering axle of claim 6,
the brake disc (II-8) is more than the friction disc (II-9) by one disc, and a certain gap is reserved between the rightmost brake disc (II-8) and the piston (II-10).
8. The modular integrated wheeled excavator outer swing frame wet steering axle of claim 1,
on the swing steering module (III), a swing frame (III-9) is a basic component, a steering oil cylinder (III-5) is connected with the swing frame (III-9) through a bolt group eight (III-6), a steering pull rod (III-3) is connected with the steering oil cylinder (III-5) through a pin shaft two (III-4), a joint bearing (III-8) is connected with the steering pull rod (III-3) through threads, the joint bearing (III-8) is connected with a steering end cover (III-1) through a pin shaft one (III-2), and an oil port C and an oil port D are formed in the steering oil cylinder (III-5).
9. The modular integrated wheeled excavator outboard swing frame wet steer axle of claim 8,
and a cotter I (III-7) and a cotter II (III-10) are respectively and correspondingly penetrated at the end parts of the pin I (III-2) and the pin II (III-4).
10. The modular integrated wheeled excavator outer swing frame wet steering axle of claim 1,
on the main reducing module (IV), a speed reducer shell (IV-7) is a basic component, an active spiral umbrella (IV-6) is positioned on the speed reducer shell (IV-7) through a bearing five (IV-4), a bearing six (IV-5) and a bearing seven (IV-8), the active spiral umbrella (IV-6) compresses a flange (IV-2) through a locking nut two (IV-1), the bearing five (IV-4) is further compressed for fixing, and is sealed through an oil seal (IV-3), a passive spiral umbrella (IV-15) which is meshed with the active spiral umbrella (IV-6) is fixed on a differential right half shell (IV-16) through a spiral bolt group ten (IV-19), and the differential right half shell (IV-16) is connected with a differential left half shell (IV-11) through a spiral bolt group nine (IV-17), the differential right half-shell (IV-16) and the differential right half-shell (IV-16) are fixed on a speed reducer shell (IV-7) through a bearing eight (IV-10) and a locking nut three (IV-9), cross shafts (IV-13) are arranged in four uniformly distributed holes formed in the matching surface of the differential right half-shell (IV-16) and the differential left half-shell (IV-11) after the differential right half-shell (IV-16) and the differential left half-shell (IV-11) are connected, four planet wheels (IV-18) are mounted on the cross shaft (IV-13), a half axle gear (IV-12) and a half axle gear (IV-14) are respectively arranged on two sides of the cross shaft (IV-13), the half axle gear (IV-12) and the half axle gear (IV-14) are simultaneously meshed with the four planet wheels (IV-18), and splines are arranged in inner holes of the two half axle gears (IV-12) and connected with a steering half axle (V-2) to serve as power output components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084882.6A CN112046277A (en) | 2020-10-12 | 2020-10-12 | Modularized integrated wet steering drive axle for outer swing frame of wheeled excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084882.6A CN112046277A (en) | 2020-10-12 | 2020-10-12 | Modularized integrated wet steering drive axle for outer swing frame of wheeled excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112046277A true CN112046277A (en) | 2020-12-08 |
Family
ID=73606258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011084882.6A Withdrawn CN112046277A (en) | 2020-10-12 | 2020-10-12 | Modularized integrated wet steering drive axle for outer swing frame of wheeled excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112046277A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556514A (en) * | 2022-09-14 | 2023-01-03 | 安徽中汉机械有限公司 | Pneumatic driving and parking integrated wet braking and planetary reduction wheel-side drive axle for mining truck |
-
2020
- 2020-10-12 CN CN202011084882.6A patent/CN112046277A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556514A (en) * | 2022-09-14 | 2023-01-03 | 安徽中汉机械有限公司 | Pneumatic driving and parking integrated wet braking and planetary reduction wheel-side drive axle for mining truck |
| CN115556514B (en) * | 2022-09-14 | 2024-04-30 | 安徽中汉机械有限公司 | Mining truck drive axle with pneumatic traveling and parking integrated wet braking and planetary reduction wheel edge |
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Application publication date: 20201208 |
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| WW01 | Invention patent application withdrawn after publication |