CN114380193A - Modular disconnected drive axle and all-terrain crane - Google Patents
Modular disconnected drive axle and all-terrain crane Download PDFInfo
- Publication number
- CN114380193A CN114380193A CN202111450677.1A CN202111450677A CN114380193A CN 114380193 A CN114380193 A CN 114380193A CN 202111450677 A CN202111450677 A CN 202111450677A CN 114380193 A CN114380193 A CN 114380193A
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- module
- axle
- wheel edge
- modular
- main
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
Abstract
The invention discloses a modular disconnected drive axle and an all-terrain crane in the technical field of cranes, wherein the modular disconnected drive axle comprises a main reducing module and a wheel edge module, and the input end of the main reducing module is in transmission connection with the output end of a transfer case; the output end of the main reducing module is in transmission connection with the input end of the wheel edge module; the wheel edge module is in transmission connection with the wheels; the main reducing module comprises at least one of a non-through main reducing module, a through main reducing module and a triple drive through main reducing module; the wheel edge module comprises one of a first wheel edge module, a second wheel edge module and a third wheel edge module, wherein the speed ratio of the first wheel edge module is smaller than that of the second wheel edge module and smaller than that of the third wheel edge module. The modular design of the drive axle for the all-terrain crane is realized, the drive axle has more forms, and the adaptability to the axle is stronger.
Description
Technical Field
The invention belongs to the technical field of cranes, and particularly relates to a modular disconnected drive axle and an all-terrain crane.
Background
The all-terrain crane is a high-end product of hoisting machinery, has the requirements of high-speed running and high off-road performance, and is one of the products with highest technological content and highest research and development difficulty in the engineering equipment industry. In the prior art, only the rigid integral drive axle of the all-terrain crane is subjected to partial modular design and has a single integrated form, the universal applicability to the axle is low, and the whole vehicle structure optimization and the cost reduction are not facilitated.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a modular disconnected drive axle and an all-terrain crane, so that the modular design of the drive axle for the all-terrain crane is realized, the drive axle is more in form, and the adaptability to an axle is stronger.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, there is provided a modular breakaway drive axle comprising: the input end of the main reducing module is in transmission connection with the output end of the transfer case; the output end of the main reducing module is in transmission connection with the input end of the wheel edge module; the wheel edge module is in transmission connection with the wheels; the main reducing module comprises at least one of a non-through main reducing module, a through main reducing module and a triple drive through main reducing module; the wheel edge module comprises one of a first wheel edge module, a second wheel edge module and a third wheel edge module, wherein the speed ratio of the first wheel edge module is smaller than that of the second wheel edge module and smaller than that of the third wheel edge module.
Furthermore, the non-through main reducing module comprises a first input end, a first bevel gear pair, a first differential mechanism and two first output ends, wherein the first input end, the first bevel gear pair, the first differential mechanism and the two first output ends are sequentially in transmission connection, and the first differential lock is installed at one first output end.
Furthermore, each first output end is in transmission connection with one wheel edge module, and the two wheel edge modules are identical in structure.
Further, the through main reducing module comprises the non-through main reducing module, and an inter-axle 1:1 differential assembly and a first through shaft assembly which are arranged on the non-through main reducing module.
Further, the output end of the inter-axle 1:1 differential assembly is in transmission connection with the first input end of the non-through main reduction module through a first transmission gear pair; meanwhile, the output end of the inter-axle 1:1 differential assembly is in transmission connection with the input end of the first through shaft assembly.
Further, a second differential lock is arranged between the output end of the inter-axle 1:1 differential assembly and the input end of the first through shaft assembly.
Further, the triple drive through main reduction module comprises the non-through main reduction module, and an inter-axle 2:1 differential assembly and a second through shaft assembly which are arranged on the non-through main reduction module.
Further, the output end of the inter-axle 2:1 differential assembly is in transmission connection with the first input end of the non-through main reduction module through a second transmission gear pair; meanwhile, the output end of the inter-axle 2:1 differential assembly is in transmission connection with the input end of the second through shaft assembly.
Further, a third differential lock is arranged between the output end of the inter-axle 2:1 differential assembly and the input end of the second through shaft assembly.
In a second aspect, there is provided an all-terrain crane provided with the modular breakaway drive axle of the first aspect.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the modular design is carried out on the drive axle for the all-terrain crane, so that the drive axle has more forms and stronger adaptability to the axle, and the whole vehicle structure optimization and the cost reduction are facilitated;
(2) according to the invention, the non-through main reducing module is designed, the inter-axle 1:1 differential is additionally arranged on the basis of the non-through main reducing module to form the through main reducing module, and the inter-axle 2:1 differential is additionally arranged on the basis of the non-through main reducing module to form the triple drive through main reducing module, so that the triple drive through main reducing module is used for matching various whole-ground crane applications, the standardization and universalization degrees of products are improved, and the whole-vehicle performance is improved.
Drawings
FIG. 1 is a schematic diagram illustrating the relationship between different modules of a modular breakaway axle according to an embodiment of the present invention;
FIG. 2 is a schematic view of a non-through main reducing module and a wheel-side module in combination according to an embodiment of the present invention;
FIG. 3 is a schematic view of a through main reducer module and a wheel edge module in combination according to an embodiment of the present invention;
fig. 4 is a schematic view of a triple drive through main reducing module and a wheel-side module in combination in the embodiment of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1 to 4, a modular disconnected drive axle comprises a main reducing module and a wheel edge module 6, wherein the input end of the main reducing module is in transmission connection with the output end of a transfer case, and an engine drives the main reducing module through the transfer case; the output end of the main reducing module is in transmission connection with the input end of the wheel edge module 6; the wheel edge module 6 is in transmission connection with the wheels 9; the main reducing module comprises at least one of a non-through main reducing module 1, a through main reducing module 2 and a triple drive through main reducing module 3; the wheel edge module 6 comprises one of a first wheel edge module, a second wheel edge module and a third wheel edge module, wherein the speed ratio of the first wheel edge module is smaller than that of the second wheel edge module and smaller than that of the third wheel edge module.
In the embodiment, the through main reducing module 2 is additionally provided with an inter-axle 1:1 differential assembly 4 and a first through shaft assembly 7 on the basis of the non-through main reducing module 1; the triple drive through main reduction module 3 is formed by adding an inter-axle 2:1 differential assembly 5 and a second through shaft assembly 8 on the basis of a non-through main reduction module 1, wherein the inter-axle 2:1 differential assembly 5 is in a planet row structure, and is shown in detail in fig. 1. The three wheel edge modules have the same structure and different speed ratios, and form three wheel edge modules with different speed ratios, namely a first wheel edge module, a second wheel edge module and a third wheel edge module.
The non-through main reducing module 1 comprises a first input end 11, a first bevel gear pair 12 (comprising a main umbrella connected with the first input end and a secondary umbrella engaged with the main umbrella), a first differential 13 and two first output ends 14 which are respectively connected with the wheel edge module 6 in a transmission way, wherein one first output end 14 is provided with a first differential lock 15.
Each first output end 14 is in transmission connection with one wheel edge module 6, and the two wheel edge modules 6 have the same structure. The wheel edge module 6 may be any one of a first wheel edge module, a second wheel edge module, and a third wheel edge module according to a product type.
Further, the non-through main reducing module 1 comprises a left half shaft assembly, a right half shaft assembly, a main reducing module assembly, a first differential mechanism assembly and a first differential lock control assembly. The power transmits the engine torque transmitted by the universal transmission device to the wheel edge module 6 through the main reducing module assembly, the first differential mechanism assembly, the half shaft and the like, so that the wheels 9 are driven to rotate. The transmission direction of torque is changed through a bevel gear pair (namely, a first bevel gear pair 12) of a main speed reducer, differential action of wheels on two sides is realized through a first differential assembly, the wheels on the inner side and the outer side are enabled to turn at different rotating speeds, and a power transmission route is specifically shown in a figure 2: input → main umbrella → slave umbrella → differential case → side gear → transmission shaft → wheel rim sun gear → planet carrier → wheel, while the planet wheel inside the first differential does not spin, the torque is equally distributed to the left and right two half-axle gears. When the differential is in a muddy and uphill working condition, the first differential lock is used for fixedly connecting the internal spline of the differential shell with the spline sleeve on the half shaft through the gear engaging of the air source device, the differential shell and the left and right half shafts are connected into a whole, the difficulty in getting rid of difficulties is solved, and the non-through axle only drives the axle and can be applied to products of the whole series of tonnage of the all-terrain crane.
The through main reducing module 2 comprises a non-through main reducing module 1, an inter-axle 1:1 differential assembly 4 and a first through shaft assembly 7, wherein the inter-axle 1:1 differential assembly is installed on the non-through main reducing module 1.
The output end of a differential assembly 4 between the axles 1:1 is in transmission connection with a first input end 11 of the non-through main reduction module 1 through a first transmission gear pair 41; meanwhile, the output end of the inter-axle 1:1 differential assembly 4 is in transmission connection with the input end of the first through shaft assembly 7.
A second differential lock 42 is arranged between the output end of the inter-axle 1:1 differential assembly 4 and the input end of the first through shaft assembly 7.
Furthermore, the through main reducing module 2 is composed of a left half axle assembly, a right half axle assembly, a first through axle assembly 7, a main reducing module assembly, a first differential assembly, an inter-axle 1:1 differential assembly and a differential lock control assembly. The power transmission route is divided into two by the output end of the inter-axle 1:1 differential assembly, the torque 1:1 is distributed to the run-through main reduction module and the next main speed reducer through the first transmission gear pair 41 and the first run-through shaft assembly 7, and the run-through main reduction module drives wheels to rotate through the left and right wheel-side modules which are transmitted by the first transmission gear pair 41, the main and slave umbrellas (namely, the first bevel gear pair 12), the differential assembly and the left and right half shafts. The through bridge is mainly applied to all-terrain crane products with 3 or more mechanical drive axles.
The triple drive through main reduction module 3 comprises a non-through main reduction module 1, an inter-axle 2:1 differential assembly 5 and a second through shaft assembly 8, wherein the inter-axle 2:1 differential assembly is installed on the non-through main reduction module 1.
The output end of the differential assembly 5 between the bridges 2:1 is in transmission connection with the first input end 11 of the non-through main reduction module 1 through a second transmission gear pair 51; meanwhile, the output end of the inter-axle 2:1 differential assembly 5 is in transmission connection with the input end of the second through shaft assembly 8.
A third differential lock 52 is arranged between the output end of the inter-axle 2:1 differential assembly 5 and the input end of the second through shaft assembly 8.
Further, the triple drive through main reduction module is composed of a left half shaft assembly, a right half shaft assembly, a second through shaft assembly, a main reduction module assembly, a first differential assembly and an inter-axle 2:1 differential assembly, wherein the inter-axle 2:1 differential assembly is a planetary row structure and is a differential with a torque division ratio of 2:1, the inter-axle 2:1 differential assembly distributes power to the next main speed reducer and the triple drive through main reduction module through a planetary row mechanism in a torque ratio of 2:1, the triple drive through main reduction module is transmitted to the left wheel side module and the right wheel side module through a first transmission gear pair 41, a main and auxiliary umbrella (namely a first bevel gear pair 12), the differential assembly and the left and right half shafts, and the formed triple drive through bridge is mainly applied to all-terrain cranes with 5 or more mechanical drive bridges.
The wheel edge module 6 consists of a braking mechanism, a planetary gear mechanism, a transmission shaft, a support shaft and a planet carrier assembly, wherein a circumferential hole of the support shaft is used for fixing a brake caliper, and the first wheel edge module, the second wheel edge module and the third wheel edge module are different in transmission ratio of the planetary gear mechanism; the power transmission route is that the power of transmission semi-axis transmits for the sun gear through the hollow structure transmission of axostylus axostyle, and the ring gear is fixed restraint on the back shaft, and planet carrier power output realizes the drive to the hub reduction gear through with rim bolt fixed connection tire.
The main reducing module is matched with different wheel edge modules to realize drive axles with different speed ratios; different main reducing modules can be matched with the same wheel edge module to realize drive axles with different through forms; the formed series of drive axle products are applied to products of different models of all-terrain cranes and are specifically combined as follows:
1) when one module only needs the drive axle, then with the non-through main subtracting the module and form the non-through axle of different velocity ratios with the combination of the wheel limit module of different velocity ratios respectively, satisfy the all-terrain crane demand of different models, specifically see fig. 2.
2) When one module needs to output power to the front axle and the other module needs to output power to the front axle and the other module, and the torque division ratio of the front axle and the other module is 1:1, the through main reducing module and the wheel side modules with different speed ratios are combined to form through axles with different speed ratios, so that the requirements of all-terrain cranes with different models are met, and the requirements are particularly shown in fig. 3.
3) When one module needs to output power to the front axle and the other module needs to output power to the front axle and the other module, and the triple drive through main reducing module and the wheel side modules with different speed ratios are combined to form triple drive through axles with different speed ratios, so that the requirements of all-terrain cranes with different models are met, and the requirement is particularly shown in fig. 4.
In the embodiment, the drive axle for the all-terrain crane is modularly designed, so that the drive axle has more forms and stronger adaptability to the axle, and the whole vehicle structure optimization and the cost reduction are facilitated; the non-through main reducing module is designed, the inter-axle 1:1 differential is additionally arranged on the basis of the non-through main reducing module to form the through main reducing module, and the inter-axle 2:1 differential is additionally arranged on the basis of the non-through main reducing module to form the triple drive through main reducing module, so that the triple drive through main reducing module is used for matching with various different overall applications of all-terrain cranes, the standardization and universalization degrees of products are improved, and the overall performance of the whole crane is improved.
Example two:
based on the modular breakaway drive axle of the first embodiment, the present embodiment provides an all-terrain crane configured with the modular breakaway drive axle of the first embodiment.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A modular breakaway transaxle comprising: the input end of the main reducing module is in transmission connection with the output end of the transfer case; the output end of the main reducing module is in transmission connection with the input end of the wheel edge module; the wheel edge module is in transmission connection with the wheels;
the main reducing module comprises at least one of a non-through main reducing module, a through main reducing module and a triple drive through main reducing module;
the wheel edge module comprises one of a first wheel edge module, a second wheel edge module and a third wheel edge module, wherein the speed ratio of the first wheel edge module is smaller than that of the second wheel edge module and smaller than that of the third wheel edge module.
2. The modular breakaway axle of claim 1, wherein said non-through primary reduction module includes a first input end, a first bevel gear pair, a first differential, two first output ends, and a first differential lock, wherein said first output ends are connected to said wheel-side module in a driving manner.
3. The modular breakaway drive axle of claim 2, wherein each of said first output terminals is drivingly connected to a respective one of said wheel-side modules, and wherein said wheel-side modules are identical in construction.
4. The modular breakaway drive axle of claim 2, wherein the pass-through main subtraction module comprises the non-pass-through main subtraction module and an inter-axle 1:1 differential assembly, a first pass-through axle assembly mounted on the non-pass-through main subtraction module.
5. The modular breakaway drive axle of claim 4, wherein an output of the inter-axle 1:1 differential assembly is drivingly connected to a first input of the non-through main reduction module through a first pair of drive gears; meanwhile, the output end of the inter-axle 1:1 differential assembly is in transmission connection with the input end of the first through shaft assembly.
6. The modular breakaway drive axle of claim 5, wherein a second differential lock is installed between the output end of the inter-axle 1:1 differential assembly and the input end of the first through axle assembly.
7. The modular breakaway drive axle of claim 2, wherein the triple drive through main reduction module includes the non-through main reduction module and an inter-axle 2:1 differential assembly, a second through axle assembly mounted on the non-through main reduction module.
8. The modular breakaway drive axle of claim 7, wherein an output of the inter-axle 2:1 differential assembly is drivingly connected to a first input of the non-through main reduction module through a second pair of drive gears; meanwhile, the output end of the inter-axle 2:1 differential assembly is in transmission connection with the input end of the second through shaft assembly.
9. The modular breakaway drive axle of claim 8, wherein a third differential lock is installed between the output of the inter-axle 2:1 differential assembly and the input of the second through-axle assembly.
10. An all terrain crane provided with a modular breakaway drive axle as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450677.1A CN114380193A (en) | 2021-11-30 | 2021-11-30 | Modular disconnected drive axle and all-terrain crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450677.1A CN114380193A (en) | 2021-11-30 | 2021-11-30 | Modular disconnected drive axle and all-terrain crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114380193A true CN114380193A (en) | 2022-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111450677.1A Pending CN114380193A (en) | 2021-11-30 | 2021-11-30 | Modular disconnected drive axle and all-terrain crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114380193A (en) |
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2021
- 2021-11-30 CN CN202111450677.1A patent/CN114380193A/en active Pending
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