CN114482182A - Walking drive mounting structure, chassis driving system and engineering vehicle - Google Patents
Walking drive mounting structure, chassis driving system and engineering vehicle Download PDFInfo
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- CN114482182A CN114482182A CN202210081752.XA CN202210081752A CN114482182A CN 114482182 A CN114482182 A CN 114482182A CN 202210081752 A CN202210081752 A CN 202210081752A CN 114482182 A CN114482182 A CN 114482182A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Rolling Contact Bearings (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a walking drive mounting structure, a chassis driving system and an engineering vehicle, which comprise a double-connection flange ring mounting structure and a single-flange ring fixed connection structure; the double-connection flange ring mounting structure is mounted between an upper top plate and a lower bottom plate of the longitudinal beam body and mainly comprises a large flange ring and a small flange ring, the large flange ring is mounted with the speed reducer in a matched mode, and the small flange ring is mounted with the spline shaft bearing end cover in a matched mode; the single flange ring fixed connection structure is arranged between an upper top plate and a lower bottom plate of the longitudinal beam body and mainly comprises a single flange ring, and the single flange ring is matched with the spline shaft bearing end cover; the driving wheel is fixedly connected with the spline shaft, and the driving wheel is driven by the speed reducer to rotate forward and backward between the double-connection flange ring installation structure and the single-flange ring fixed connection structure. The invention realizes the fixed installation of the chassis walking driving system of the large mining excavator, has high bearing capacity of the casting structure, and is an excellent casting driving structure with reliable structure.
Description
Technical Field
The invention relates to a walking drive mounting structure and an engineering vehicle, and belongs to the field of engineering machinery.
Background
The fixed structure of the walking driving device of the traditional large, medium and small size excavator below 200 tons adopts a single-side flange surface mounting structure form, namely, the driving wheel is matched and connected with a speed reducer through a circle of bolt, and the speed reducer is fixedly connected on a driving seat of a longitudinal beam body. The speed reducer cantilever is arranged on the longitudinal beam body, and the driving force can bring large bending moment and torque in the walking driving process, so that the structural strength of the driving seat and the circumferential bolts are greatly tested;
along with the upgrading of tonnage of mining equipment, most of large-scale and ultra-large-scale mining excavator driving systems adopt bilateral driving fixed supports, the supporting mode can enable fixing seats at two ends to stably absorb and transmit driving force, the driving mode is more and more widely applied at present, but the bilateral driving fixed support mode is complex to mount and dismount relatively, and a stable and reliable driving mounting and fixing structure must be ensured.
At present, the fixed mounting seat of the driving device is mostly processed and blanked by a thick plate or is processed by a ring forging piece, and the middle connecting rib plate is used for realizing the welding connection of the driving fixing seat and the longitudinal beam body. Research and development personnel disclose engineering machine tool traveling system fixed knot constructs (201620977378.1) before, and this structure utilizes the ring forging to make the drive fixed plate, and drive fixing base welding transition deep floor realizes being connected with the longeron body, and the upper end is direct and the roof overlap joint welding of longeron body, and the lower extreme and the lower floor overlap joint welding of longeron body all are the unilateral horn welding of the overlap joint formation of thick plate and sheet metal, and the welded heat input volume is great and the welding seam quality is difficult to guarantee. In the walking process, the driving force is large, the walking driving torque is directly transmitted to the driving mounting seat, the driving mounting seat ring forge piece is large in structural size and high in structural strength, the top plate, the bottom plate and the welding rib plates connected with the driving mounting seat ring forge piece are limited by the longitudinal beam body structure to be weak, and the welding seams of the transition rib plates are vertical welding seams and are under the action of tensile stress. According to the transmission of material 'force flow', the strong and weak plates are easily cracked and broken at the welding seams between the connecting rib plates and the driving seat ring under the condition of large applied torque.
Based on the patent background, the improved walking drive mounting structure is innovatively designed, the connecting rib plate of the longitudinal beam body and the drive mounting flange ring are directly cast into a whole, the welding seam of the transition rib plate is effectively avoided, the tensile stress action of the welding seam is avoided, and the special casting modeling structural design ensures that the integrally cast fixing plate and the upper plate and the lower plate of the longitudinal beam body form a natural V-shaped groove, ensures the excellent welding with the upper plate and the lower plate of the longitudinal beam body, ensures the quality of the welding seam, improves the product quality and prolongs the service life of the product.
Disclosure of Invention
In view of the above situation, the invention provides a traveling drive mounting structure, which can effectively realize the fixed mounting of a chassis driving device of a mining excavator, is integrally cast and molded, has high structural strength and strong bearing capacity, effectively avoids the welding defect with a middle transition rib plate, ensures the stable connection of the longitudinal beam body in a driving manner, and is an excellent casting drive structure with reliable structure.
In order to achieve the purpose, the invention is realized according to the following technical scheme:
the invention discloses a walking drive mounting structure, which comprises a double-connection flange ring mounting structure and a single-flange ring fixed connection structure; the double-connection flange ring mounting structure and the single-flange ring fixed connection structure are mounted at the end part of the longitudinal beam body, a driving wheel is mounted between the double-connection flange ring mounting structure and the single-flange ring fixed connection structure, and the driving wheel is connected with the double-connection flange ring mounting structure and the single-flange ring fixed connection structure through spline shafts; the integral key shaft rotates and is installed on the double-connection flange ring installation structure and the single-flange ring fixed connection structure, the driving wheel is fixedly connected with the integral key shaft, and the speed reducer drives the driving wheel to rotate forward and backward between the double-connection flange ring installation structure and the single-flange ring fixed connection structure.
The preferable scheme of the double-connection flange ring mounting structure is as follows: the double-connection flange ring mounting structure is formed by integrally casting a large flange ring, a small flange ring, a rib plate and a reinforcing block.
Further scheme: the large flange ring is in smooth transition to the small flange ring, and a mounting thread blind hole is formed in the periphery of the large flange ring and is matched with the speed reducer for mounting; the periphery of the small flange ring is provided with a sink groove and is provided with a periphery threaded hole, and the small flange ring is matched with the bearing end cover for installation.
Further scheme: the upper end and the lower end of the large flange ring extend out of two reinforcing blocks along the outer arc end of the flange ring, and the two reinforcing blocks are used for being lapped with the upper top plate and the lower bottom plate of the longitudinal beam body and forming a natural V-shaped groove.
Further scheme: the rib plates are connected between the large flange ring and the small flange ring, inserted between the upper top plate and the lower bottom plate of the longitudinal beam body and used for being welded with the upper top plate, the lower bottom plate and the side plates of the longitudinal beam body.
Further scheme: the large flange ring, the small flange ring, the extended transition rib plate and the two reinforcing blocks are in arc transition connection, and the casting riser is designed at the upper reinforcing block and the lower reinforcing block.
The preferred scheme of the single flange ring fixed connection structure is as follows: the single flange ring fixed connection structure is formed by integrally casting a single flange ring, a protruding casting block and an L-shaped connection rib plate.
Further scheme: the single flange ring is used for processing a counter-boring plane of 10mm and is provided with a threaded hole for realizing connection with a bearing end cover; the side part of the single flange ring is provided with an L-shaped connecting rib plate, and the L-shaped transitional connecting rib plate is directly inserted between the upper top plate and the lower bottom plate of the longitudinal beam body and is welded with the upper top plate, the lower bottom plate and the side plates of the longitudinal beam body.
Further scheme: the upper end of the single flange ring protrudes out of the casting block and is naturally welded with a V-shaped groove formed in the upper top plate of the longitudinal beam body; the lower end of the single flange ring is provided with a groove, and the groove and the lower bottom plate of the longitudinal beam body are provided with grooves to form V-shaped groove welding.
The invention also discloses a chassis driving system which comprises a spline shaft, a driving wheel, a speed reducer, a bearing end cover and the walking drive mounting structure.
Further scheme: the middle spline convex tooth of the spline shaft is connected with the spline concave tooth of the driving wheel in a matching way, and the end spline convex tooth is connected with the spline concave tooth of the speed reducer in a matching way; the two ends of the spline shaft are provided with bearings in interference fit, the two bearings are respectively connected with corresponding bearing end covers in a fit mode, and the two bearing end covers are respectively arranged on the double-connection flange ring installation structure and the single-flange ring fixed connection structure.
The invention also discloses an engineering vehicle which is provided with the chassis driving system.
The preferable scheme is as follows: the engineering vehicle comprises a mining excavator.
The invention has the beneficial effects that:
the invention innovatively designs a walking drive mounting structure, in particular to a walking drive mounting structure of a large casting structure, which comprises a double-connection flange ring mounting structure and a single-flange ring fixed connection structure, wherein the double-connection flange ring mounting structure and the single-flange ring fixed connection structure are integrally cast, and the walking drive mounting structure is simple in structure, high in strength and strong in functionality. The transition rib plate connected with the longitudinal beam body is directly and integrally cast and formed by the driving casting installation structure, the traditional welding structure is avoided, when the whole machine is subjected to walking driving torque load, the risk of tensile stress of a vertical welding line of the rib plate can be effectively eliminated, and the structure is reliable. And the integral casting driving mounting structure is designed according to a casting process, has round corner transition, ingeniously applies multiple functions of the riser, and forms a natural V-shaped groove with the upper top plate and the lower bottom plate of the longitudinal beam body, so that the welding quality is ensured. The design of the invention can greatly prolong the service life of the mounting structure of the driving device, ensure the bilateral driving, fixing and reliable support under the action of the driving torque and ensure the stability and reliability of the whole driving system completely according to the mechanical design thought.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.
In the drawings:
FIG. 1 is a first isometric view of a dual attachment flange ring mounting structure;
FIG. 2 is an isometric view of a double attachment flange ring mounting structure;
FIG. 3 is a first perspective view of a single flange ring fixed connection structure;
FIG. 4 is a second perspective view of a single flange ring fixed connection structure;
FIG. 5 is a first installation diagram of the travel drive mounting structure;
FIG. 6 is a second schematic view of the installation of the travel drive mounting structure;
FIG. 7 is a schematic view of a chassis drive system mounting configuration;
fig. 8 is a schematic view of the mounting structure of the chassis walking speed reducer.
Description of the reference numerals:
101. 102 parts of a large flange ring, 103 parts of a small flange ring, rib plates, 104 parts of an upper reinforcing block, 105 parts of a lower reinforcing block, 106 parts of a mounting threaded blind hole, 107 parts of a threaded hole;
201. a single flange ring 202, a convex ingot 203, an 'L' -shaped connecting rib plate 204, a split 205 and a threaded hole;
1. the double-flange ring mounting structure comprises a double-flange ring mounting structure, a single-flange ring fixed connection structure, an upper top plate, a lower bottom plate, a side plate, a bearing end cover, 7, a spline shaft, 8, a bearing end cover, 9, a speed reducer, 10 and a driving wheel.
I, V-shaped opening, II, V-shaped opening, III, V-shaped opening, IV and V-shaped opening.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2, 3, 4, 5 and 6, a travel drive mounting structure comprises a double-connection flange ring mounting structure 1 and a single-flange ring fixed connection structure 2; the double-connection flange ring mounting structure 1 and the single-flange ring fixed connection structure 2 are mounted at the end part of the longitudinal beam body, a driving wheel 10 is mounted between the double-connection flange ring mounting structure 1 and the single-flange ring fixed connection structure 2, and the driving wheel 10 is connected with the double-connection flange ring mounting structure 1 and the single-flange ring fixed connection structure 2 through a spline shaft 7; the spline shaft 7 is rotatably installed on the double-connection flange ring installation structure 1 and the single-flange ring fixed connection structure 2, the driving wheel 10 is fixedly connected with the spline shaft 7, and the driving wheel 10 is driven by the speed reducer 9 to rotate forward and backward between the double-connection flange ring installation structure 1 and the single-flange ring fixed connection structure 2.
It should be noted that the double-flange ring mounting structure 1 and the single-flange ring fixed connection structure 2 are coaxially connected on the longitudinal beam body, so that the whole driving system is convenient to mount.
The middle spline convex tooth of the spline shaft 7 is connected with the spline concave tooth of the driving wheel in a matching way, and the end spline convex tooth is connected with the spline concave tooth of the speed reducer 9 in a matching way; the two ends of the spline shaft 7 are provided with bearings in interference fit, the two bearings are respectively connected with the corresponding bearing end covers 6 and 8 in a fit manner, and the two bearing end covers 6 and 8 are respectively arranged on the double-connection flange ring installation structure 1 and the single-flange ring fixed connection structure 2.
A preferred embodiment of the above embodiment is given below with respect to a double attachment flange ring mounting structure:
as shown in fig. 1 and 2, the double-connection flange ring mounting structure 1 is formed by integrally casting a large flange ring 101, a small flange ring 102, rib plates 103 and reinforcing blocks.
Further scheme: the large flange ring 101 is smoothly transited to the small flange ring 102, and the periphery of the large flange ring 101 is provided with a blind hole 106 for installing threads, and the blind hole is matched with the speed reducer 9 for installation; the periphery of the small flange ring 102 is provided with a sunk groove and is provided with a peripheral threaded hole 107, and the small flange ring is matched with the bearing end cover 8 for installation.
Further scheme: the rib plates 103 are connected between the large flange ring 101 and the small flange ring 102, the height of the rib plates 103 is equal to the height distance between the upper top plate 3 and the lower bottom plate 4 of the longitudinal beam body, and the rib plates 103 are inserted between the upper top plate 3 and the lower bottom plate 4 of the longitudinal beam body until reaching the side plates 5 of the longitudinal beam body and are used for being connected with the upper top plate 3, the lower bottom plate 4 and the side plates 5 of the longitudinal beam body in a welding mode. An upper reinforcing block 104 extending from the upper end of the large flange ring 101 along the outer arc end of the flange ring and an upper top plate 3 of the longitudinal beam body form a welded V-shaped opening I; the lower end of the large flange ring 101 extends along the outer arc end of the flange ring, and a lower reinforcing block 105 and a lower bottom plate 4 of the longitudinal beam body form a welded V-shaped section IV. The complete welding of the double-connection flange ring mounting structure 1 is completed through the three-side welding of the rib plates 103 extending outwards and the V-shaped groove welding of the upper top plate 3 and the lower bottom plate 4, and the structural connection is reliable.
As an optimization scheme of the invention: the rib plates 103 connected between the large flange ring 101 and the small flange ring 102 are designed to be three-sided in a split mode, and full penetration welding with the longitudinal beam body is guaranteed.
As an optimization scheme of the invention: the large flange ring 101, the small flange ring 102, the extended transition rib plates 103, the upper reinforcing blocks 104 and the lower reinforcing blocks 105 are in circular arc transition connection, and the casting riser is designed at the upper reinforcing blocks and the lower reinforcing blocks.
The preferable scheme is as follows: the double-connection flange ring mounting structure 1 is in a vertically completely symmetrical structure by taking a transverse center line as a reference.
A preferred embodiment of the above embodiment is given below with respect to a single flange ring fixed connection structure:
as shown in fig. 3 and 4, the single flange ring fixed connection structure 2 is integrally cast by a single flange ring 201, a protruding casting block 202 and an "L" -shaped connection rib plate 203.
Further scheme: the single flange ring 201 is used for processing a 10mm countersink plane and is provided with a threaded hole 205 for realizing connection with the bearing end cover 6.
Further scheme: the height of the L-shaped connecting rib plate 203 is equal to the height distance between the upper top plate 3 and the lower bottom plate 4 of the longitudinal beam body, and the L-shaped connecting rib plate 203 is inserted between the upper top plate 3 and the lower bottom plate 4 of the longitudinal beam body and stops at the side plate 5 of the longitudinal beam body; the L-shaped connecting rib plate 203 and the longitudinal beam body form a complete three-side welding.
The upper end of the single flange ring 201 protrudes out of the casting block 202 and is naturally welded with a V-shaped groove II formed in the upper top plate 3 of the longitudinal beam body; the lower end of the single flange ring 201 is provided with a groove 204 which is welded with the lower bottom plate 4 of the longitudinal beam body to form a V-shaped groove III. The complete welding of the single flange ring fixed connection structure 2 is completed through three-side welding of the L-shaped connection rib plate 203 and V-shaped groove welding of the upper top plate 3 and the lower bottom plate 4, and the connection is reliable.
As an optimization scheme of the invention: the L-shaped connecting rib plate 203 is provided with three-side openings to realize full penetration welding with the longitudinal beam body.
As an optimization scheme of the invention: the end face of the single flange ring protrudes 20-25mm from the L-shaped connecting rib plate to form a cavity, and the single flange ring is connected with the longitudinal beam body through the outer tower connecting plate.
As an optimization scheme of the invention: the single flange ring fixed connection structure 2 is cast integrally, and the casting of different end faces is all performed by adopting fillet transition.
As shown in fig. 7 and 8, the chassis drive system includes a spline shaft 7, a drive wheel 10, a speed reducer 9, a bearing, bearing covers 6 and 8, and the travel drive mounting structure. The middle spline convex tooth of the spline shaft 7 is connected with the spline concave tooth of the driving wheel in a matching way, and the end spline convex tooth is connected with the spline concave tooth of the speed reducer 9 in a matching way; bearings are arranged at two ends of the spline shaft 7 in an interference fit manner, one of the bearings is connected with the bearing end cover 6 in a fit manner, and the bearing end cover 6 is connected with the circumference threaded hole 205 through a circumference bolt; the other bearing is connected with a bearing end cover 8, the bearing end cover 8 is connected with a peripheral threaded hole 107 through a peripheral bolt, and the whole driving system is further provided with a floating seal, a spacer bush, an adjusting gasket, an outer end cover and the like in a matching mode, so that the whole driving system is installed.
The invention also discloses an engineering vehicle which is provided with the chassis driving system.
The preferable scheme is as follows: the engineering vehicle comprises a mining excavator.
In conclusion, the invention innovatively designs a walking drive mounting structure, in particular to a walking drive mounting structure with a large casting structure, which comprises a double-connecting flange ring mounting structure and a single-flange ring fixed connecting structure, which are integrally cast, and has the advantages of simple structure, high strength and strong functionality. The transition rib plate connected with the longitudinal beam body is directly and integrally cast and formed by the driving casting installation structure, the traditional welding structure is avoided, when the whole machine is subjected to walking driving torque load, the risk of tensile stress of a vertical welding line of the rib plate can be effectively eliminated, and the structure is reliable. And the integral casting driving mounting structure is designed according to a casting process, has round corner transition, ingeniously applies multiple functions of the riser, and forms a natural V-shaped groove with the upper top plate and the lower bottom plate of the longitudinal beam body, so that the welding quality is ensured. The design of the invention can greatly prolong the service life of the mounting structure of the driving device, ensure the bilateral driving, fixing and reliable support under the action of the driving torque and ensure the stability and reliability of the whole driving system completely according to the mechanical design thought.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. A walking drive mounting structure which is characterized in that:
the double-flange ring fixing structure comprises a double-connecting flange ring mounting structure and a single-flange ring fixing connecting structure;
the double-connection flange ring mounting structure and the single-flange ring fixed connection structure are mounted at the end part of the longitudinal beam body, a driving wheel is mounted between the double-connection flange ring mounting structure and the single-flange ring fixed connection structure, and the driving wheel is connected with the double-connection flange ring mounting structure and the single-flange ring fixed connection structure through spline shafts;
the integral key shaft rotates and is installed on the double-connection flange ring installation structure and the single-flange ring fixed connection structure, the driving wheel is fixedly connected with the integral key shaft, and the speed reducer drives the driving wheel to rotate forward and backward between the double-connection flange ring installation structure and the single-flange ring fixed connection structure.
2. A travel drive mounting structure as claimed in claim 1, wherein:
the double-connection flange ring mounting structure is formed by integrally casting a large flange ring, a small flange ring, a rib plate and a reinforcing block.
3. A travel drive mounting structure as claimed in claim 2, wherein:
the large flange ring is smoothly transited to the small flange ring, and the periphery of the large flange ring is provided with blind mounting thread holes which are matched with the speed reducer for mounting;
the periphery of the small flange ring is provided with a sink groove and is provided with a periphery threaded hole, and the small flange ring is matched with the bearing end cover for installation.
4. A travel drive mounting structure as claimed in claim 2, wherein:
the upper end and the lower end of the large flange ring extend out of two reinforcing blocks along the outer arc end of the flange ring, and the two reinforcing blocks are used for being lapped with the upper top plate and the lower bottom plate of the longitudinal beam body and forming a natural V-shaped groove.
5. A travel drive mounting structure as claimed in claim 2, wherein:
the rib plates are connected between the large flange ring and the small flange ring, inserted between the upper top plate and the lower bottom plate of the longitudinal beam body and used for being welded with the upper top plate, the lower bottom plate and the side plates of the longitudinal beam body.
6. A travel drive mounting structure as claimed in claim 2, wherein:
the large flange ring, the small flange ring, the extended transition rib plate and the two reinforcing blocks are in arc transition connection, and the casting riser is designed at the upper reinforcing block and the lower reinforcing block.
7. A travel drive mounting structure as claimed in claim 1, wherein:
the single flange ring fixed connection structure is formed by integrally casting a single flange ring, a protruding casting block and an L-shaped connection rib plate.
8. A travel drive mounting structure as claimed in claim 7, wherein:
the single flange ring is used for processing a counter-boring plane of 10mm and is provided with a threaded hole for realizing connection with a bearing end cover;
the side part of the single flange ring is provided with an L-shaped connecting rib plate, and the L-shaped transitional connecting rib plate is directly inserted between the upper top plate and the lower bottom plate of the longitudinal beam body and is welded with the upper top plate, the lower bottom plate and the side plates of the longitudinal beam body.
9. A travel drive mounting structure as claimed in claim 7, wherein:
the upper end of the single flange ring protrudes out of the casting block and is naturally welded with a V-shaped groove formed in the upper top plate of the longitudinal beam body;
the lower end of the single flange ring is provided with a groove, and the groove and the lower bottom plate of the longitudinal beam body are provided with grooves to form V-shaped groove welding.
10. A chassis drive system, characterized by:
comprising a spline shaft, a driving wheel, a speed reducer, a bearing end cover and the walking drive mounting structure of any one of claims 1 to 9.
11. A chassis drive system according to claim 10, wherein:
the middle spline convex tooth of the spline shaft is connected with the spline concave tooth of the driving wheel in a matching way, and the end spline convex tooth is connected with the spline concave tooth of the speed reducer in a matching way;
the two ends of the spline shaft are provided with bearings in interference fit, the two bearings are respectively connected with corresponding bearing end covers in a fit mode, and the two bearing end covers are respectively arranged on the double-connection flange ring installation structure and the single-flange ring fixed connection structure.
12. A work vehicle, characterized in that:
a chassis drive system as claimed in claim 10 or 11 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210081752.XA CN114482182B (en) | 2022-01-24 | 2022-01-24 | Walking drive mounting structure, chassis drive system and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210081752.XA CN114482182B (en) | 2022-01-24 | 2022-01-24 | Walking drive mounting structure, chassis drive system and engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114482182A true CN114482182A (en) | 2022-05-13 |
| CN114482182B CN114482182B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210081752.XA Active CN114482182B (en) | 2022-01-24 | 2022-01-24 | Walking drive mounting structure, chassis drive system and engineering vehicle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1728670A1 (en) * | 2005-06-02 | 2006-12-06 | MAN Nutzfahrzeuge Aktiengesellschaft | Planetary hub reduction axle for motor vehicles |
| CN204300303U (en) * | 2014-09-04 | 2015-04-29 | 徐州徐工挖掘机械有限公司 | Engineering machinery chassis casting drives seat |
| CN205971566U (en) * | 2016-08-26 | 2017-02-22 | 徐州徐工挖掘机械有限公司 | Engineering machine tool travel drive fixed knot of system constructs |
| CN110001810A (en) * | 2018-10-24 | 2019-07-12 | 柳工常州机械有限公司 | It is a kind of for installing the chassis structure of speed reducer |
-
2022
- 2022-01-24 CN CN202210081752.XA patent/CN114482182B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1728670A1 (en) * | 2005-06-02 | 2006-12-06 | MAN Nutzfahrzeuge Aktiengesellschaft | Planetary hub reduction axle for motor vehicles |
| CN204300303U (en) * | 2014-09-04 | 2015-04-29 | 徐州徐工挖掘机械有限公司 | Engineering machinery chassis casting drives seat |
| CN205971566U (en) * | 2016-08-26 | 2017-02-22 | 徐州徐工挖掘机械有限公司 | Engineering machine tool travel drive fixed knot of system constructs |
| CN110001810A (en) * | 2018-10-24 | 2019-07-12 | 柳工常州机械有限公司 | It is a kind of for installing the chassis structure of speed reducer |
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| Publication number | Publication date |
|---|---|
| CN114482182B (en) | 2023-05-16 |
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