CN112265416B - Heavy-load forklift front drive axle housing based on triangle reinforcing structure - Google Patents
Heavy-load forklift front drive axle housing based on triangle reinforcing structure Download PDFInfo
- Publication number
- CN112265416B CN112265416B CN202011186117.5A CN202011186117A CN112265416B CN 112265416 B CN112265416 B CN 112265416B CN 202011186117 A CN202011186117 A CN 202011186117A CN 112265416 B CN112265416 B CN 112265416B
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- CN
- China
- Prior art keywords
- axle housing
- middle section
- drive axle
- convex panel
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 17
- 230000008719 thickening Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
- B60B35/166—Axle housings characterised by reinforcements, e.g. reinforcement ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
- B60B35/163—Axle housings characterised by specific shape of the housing, e.g. adaptations to give space for other vehicle elements like chassis or exhaust system
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The heavy-load forklift front drive axle housing comprises a drive axle housing main body, wherein the drive axle housing main body comprises a left axle housing, an axle housing middle section and a right axle housing, and the left axle housing and the right axle housing are welded at the left end and the right end of the axle housing middle section through connecting blocks respectively; the axle housing middle section comprises a drive axle housing installation part and drive axle housing arm parts connected to two ends of the drive axle housing installation part, a reinforcing section is welded in the drive axle housing arm parts, and thickening layers are respectively arranged at one ends of the left axle housing and the right axle housing, which are close to the axle housing middle section. According to the invention, a reinforcing section designed based on the triangle stability principle is welded in the arm parts of the two driving axle housing respectively, so that the strength and the stability are better; meanwhile, the end, close to the middle section of the axle housing, of the left axle housing and the right axle housing is thickened, so that the overall strength of the axle housing of the drive axle is improved.
Description
Technical Field
The invention relates to a front drive axle housing of a heavy-duty forklift, in particular to a front drive axle housing of a heavy-duty forklift based on a triangular reinforcing structure.
Background
Fork truck is as important transport machinery in logistics industry, and in last two decades, keep healthy steady development situation always, especially in 2017, the fork truck trade of china appears unexpected growth, and novel fork truck product obtains excellent performance in domestic and foreign markets. The front drive axle housing is an important component of a forklift transmission system, is a basic component of a forklift main speed reducer, a speed changer and a half axle, is used for supporting and protecting the main speed reducer, the differential mechanism, the half axle and the like, and enables the relative positions of left and right driving wheels to be fixed through the installation of a suspension or a wheel hub. Simultaneously supporting the mass of the frame and the parts thereon and bearing the ground reaction force and moment transmitted by the wheels until the ground reaction force and moment are transmitted to the frame. However, for heavy-duty forklift trucks with a load carrying capacity of more than 20 tons, the requirements of domestic forklift enterprises on the front drive axle housing of the heavy-duty forklift truck are greatly dependent on foreign imported products due to the lack of core technology and manufacturing process for manufacturing the front drive axle housing.
Disclosure of Invention
In order to overcome the problems, the invention provides a heavy-load forklift front drive axle housing based on a triangular reinforcing structure.
The technical scheme adopted by the invention is as follows: the heavy-load forklift front drive axle housing comprises a drive axle housing main body, wherein the drive axle housing main body comprises a left axle housing, an axle housing middle section and a right axle housing, and the left axle housing and the right axle housing are welded at the left end and the right end of the axle housing middle section through connecting blocks respectively; the middle section of the axle housing comprises an axle housing mounting part of the drive axle and axle housing arm parts connected to two ends of the axle housing mounting part of the drive axle, the middle section of the axle housing comprises an upper convex panel, a lower convex panel, a front baffle, a rear baffle, a bridge bag and a mounting plate, the upper convex panel and the lower convex panel are of a structure in a shape like a Chinese character 'ji' facing to each other, the upper convex panel, the lower convex panel, the front baffle and the rear baffle are in shape phase adaptation, and the upper end and the lower end of the front baffle and the lower end of the rear baffle are respectively connected with the upper convex panel and the lower convex panel into a whole; the front partition plate and the rear partition plate are provided with openings, the front surface of the front partition plate is connected with a bridge bag, and the inside of the bridge bag is communicated with the openings of the front partition plate and the rear partition plate; the inner side of the opening of the rear partition plate is connected with a circular mounting plate, and the upper end and the lower end of the mounting plate are symmetrically provided with U-shaped grooves for fixing the main speed reducer;
The driving axle housing arm part is welded with a reinforcing section, the reinforcing section comprises a rectangular frame, the inner sides of four right angles of the rectangular frame are welded with first oblique steel plates, and the four first oblique steel plates are sequentially connected end to end in the rectangular frame to form a diamond space, and the diamond space allows a half axle to pass through; a second inclined steel plate is also connected between the four vertexes of the rectangular frame and the first inclined steel plate, and is perpendicular to the first inclined steel plate;
The front side and the rear side of the axle housing arm part of the drive axle are respectively welded with a mounting block which is used for being fixedly connected with a forklift frame, and the mounting blocks are approximately square ring-shaped; a forklift main speed reducer and a differential mechanism for transmitting power to the half axle are arranged in the driving axle housing mounting part; triangle brake disc mounting frames are arranged on the left half shaft shell and the right half shaft shell, and the triangle brake disc mounting frames are connected with the brake calipers through bolts; one end of the left half shaft shell and one end of the right half shaft shell, which are far away from the middle section of the axle housing, are provided with splines which are used for being matched and connected with the wheel-side speed reducer.
Further, one ends of the left half axle shell and the right half axle shell, which are close to the middle section of the axle housing, are respectively provided with thickening layers, and the thickening layers are positioned between the triangular brake disc mounting frame and the middle section of the axle housing.
The beneficial effects of the invention are as follows: the triangular structure is utilized to have stability, has the characteristics of stability, firmness and pressure resistance, and designs the heavy-load forklift front drive axle housing based on the triangular reinforcing structure. A reinforcing section designed based on the triangle stability principle is welded in each of the two driving axle housing arm parts, and compared with the prior art, the novel structure has the advantages of strength and stability. In addition, according to the axle housing stress great position that simulation calculation and experimental data result show, left side semi-axis casing, right side semi-axis casing are close to axle housing middle section one end promptly, promptly from triangle-shaped brake disc mounting bracket to axle housing middle section start left side semi-axis casing and right semi-axis casing, have carried out thickening processing to drive axle housing bulk strength has been improved.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a top full sectional view of the present invention.
Fig. 3 is a front elevational view in full section of the present invention.
Fig. 4 is a schematic diagram of an axial structure of the present invention.
Fig. 5 is a front view of the present invention.
Fig. 6 is a cross-sectional view taken along A-A in fig. 5.
Fig. 7 is a schematic diagram of a reinforcement section of the present invention designed based on the principle of triangular stability.
FIG. 8 is a schematic diagram of an axial structure of a reinforcing section according to the present invention
Reference numerals illustrate: 1. a left axle housing; 2. a middle section of the axle housing; 201. a drive axle housing arm; 202. a drive axle housing mounting portion; 21. an upper convex panel; 22. a lower convex panel; 23. a rear partition; 24. a front baffle; 25. bridge bag; 26. a mounting plate; 3. a right axle housing; 4. a mounting block; 5. triangle brake disc mounting rack; 6. a spline; 7. a reinforcing section; 71. a rectangular body frame; 72. a second oblique steel plate; 73. a first oblique steel plate; 8. thickening layers; 9. and (5) connecting a block.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience in describing the present invention and simplifying the description based on the azimuth or positional relationship shown in the drawings, it should not be construed as limiting the present invention, but rather should indicate or imply that the devices or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present invention, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to the drawings, the heavy-duty forklift front drive axle housing based on a triangular reinforcing structure comprises a drive axle housing main body, wherein the drive axle housing main body comprises a left axle housing 1, an axle housing middle section 2 and a right axle housing 3, and the left axle housing 1 and the right axle housing 3 are welded at the left end and the right end of the axle housing middle section 2 through connecting blocks 9 respectively; the axle housing middle section 2 comprises an axle housing mounting part 202 and axle housing arm parts 201 connected to two ends of the axle housing mounting part 202, the axle housing middle section 2 comprises an upper convex panel 21, a lower convex panel 22, a front baffle 24, a rear baffle 23, a bridge bag 25 and a mounting plate 26, the upper convex panel 21 and the lower convex panel 22 are of a shape like a Chinese character 'ji' facing to each other, the upper convex panel 21, the lower convex panel 22, the front baffle 24 and the rear baffle 23 are in shape adaptation, and the upper end and the lower end of the front baffle 24 and the rear baffle 23 are respectively connected with the upper convex panel 21 and the lower convex panel 22 to form a whole; the front partition board 24 and the rear partition board 23 are provided with openings, the front surface of the front partition board 24 is connected with a bridge bag 25, and the inside of the bridge bag 25 is communicated with the openings of the front partition board 24 and the rear partition board 23; the inner side of the opening of the rear partition plate 23 is connected with a circular mounting plate 26, and U-shaped grooves for fixing the main speed reducer are symmetrically formed in the upper end and the lower end of the mounting plate 26;
The reinforcing section 7 is designed based on the triangle stability principle, the reinforcing section 7 comprises a rectangular frame 71, and first oblique steel plates 73 are welded on the inner sides of four right angles of the rectangular frame 71 to form 4 right triangles; simultaneously, four first oblique steel plates 73 are sequentially connected end to end in the rectangular frame 71 to form a diamond space, and the thicknesses of the first oblique steel plates 73 and the rectangular frame 71 are reasonably controlled so that half shafts can pass through the diamond space without interference; in order to further fix the structure, a second oblique steel plate 72 is welded between the four vertices of the rectangular frame 71 and the first oblique steel plate 73, and the second oblique steel plate 72 is perpendicular to the first oblique steel plate 73, so that the original right triangle is divided into 2 small right triangles, and the rectangular frame has super-strong stability by forming a plurality of triangles, so that the axle housing can bear larger stress.
A group of mounting blocks 4 for fixedly connecting with a forklift frame are welded on the front side and the rear side of the axle housing arm 201 of the drive axle respectively, the mounting blocks 4 are approximately square ring-shaped, and each group of mounting blocks 4 comprises two mounting blocks 4; a forklift main speed reducer and a differential for transmitting power to the half axle are installed in the driving axle housing installation part 202; the left half shaft shell 1 and the right half shaft shell 3 are respectively provided with a triangular brake disc mounting frame 5, and the triangular brake disc mounting frames 5 are connected with a brake caliper through bolts; the one end that left side semi-axis casing 1 and right semi-axis casing 3 are close to axle housing middle section 2 is equipped with thickening layer 8 respectively, and thickening layer 8 is located between triangle-shaped brake disc mounting bracket 5 and the axle housing middle section 2, and the interference part of thickening layer 8 positions and triangle-shaped brake disc mounting bracket 5 is flattened. The end of the left and right axle housings 1, 3 remote from the axle housing midsection 2 is provided with splines 6 for mating connection with a hub reduction gear.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, and the scope of protection of the present invention and equivalent technical means that can be conceived by those skilled in the art based on the inventive concept.
Claims (1)
1. The utility model provides a heavy-duty forklift front drive axle housing based on triangle-shaped reinforced structure, includes the drive axle housing main part, and the drive axle housing main part includes left semi-axis shell (1), axle housing middle section (2) and right semi-axis shell (3), and left semi-axis shell (1) and right semi-axis shell (3) pass through connecting block (9) respectively and weld at the left and right sides of axle housing middle section (2); axle housing middle section (2) include transaxle axle housing installation department (202) and connect transaxle axle housing arm (201) at transaxle axle housing installation department (202) both ends, its characterized in that: the axle housing middle section (2) comprises an upper convex panel (21), a lower convex panel (22), a front baffle (24), a rear baffle (23), a bridge bag (25) and a mounting plate (26), wherein the upper convex panel (21) and the lower convex panel (22) are of opposite-oriented 'nearly' shaped structures, the upper convex panel (21), the lower convex panel (22), the front baffle (24) and the rear baffle (23) are matched in shape, and the upper end and the lower end of the front baffle (24) and the lower end of the rear baffle (23) are respectively connected with the upper convex panel (21) and the lower convex panel (22) into a whole; the front partition board (24) and the rear partition board (23) are provided with openings, the front surface of the front partition board (24) is connected with a bridge bag (25), and the interior of the bridge bag (25) is communicated with the openings of the front partition board (24) and the rear partition board (23); the inner side of the opening of the rear baffle plate (23) is connected with a circular mounting plate (26), and the upper end and the lower end of the mounting plate (26) are symmetrically provided with U-shaped grooves for fixing a main reducer;
The driving axle housing arm part (201) is internally welded with a reinforcing section (7), the reinforcing section (7) comprises a rectangular frame (71), the inner sides of four right angles of the rectangular frame (71) are welded with first oblique steel plates (73), the four first oblique steel plates (73) are sequentially connected end to end in the rectangular frame (71) to form a diamond space, and the diamond space allows a half axle to pass through; a second inclined steel plate (72) is further connected between the four vertexes of the rectangular frame (71) and the first inclined steel plate (73), and the second inclined steel plate (72) is perpendicular to the first inclined steel plate (73);
The front side and the rear side of the driving axle housing arm part (201) are respectively welded with a mounting block (4) fixedly connected with a forklift frame, and the mounting blocks (4) are square ring-shaped; a forklift main speed reducer and a differential mechanism for transmitting power to the half axle are arranged in the driving axle housing mounting part (202); the left half shaft shell (1) and the right half shaft shell (3) are respectively provided with a triangular brake disc mounting frame (5), and the triangular brake disc mounting frames (5) are connected with a brake caliper through bolts; one end of the left half shaft shell (1) and one end of the right half shaft shell (3) far away from the middle section (2) of the axle housing are provided with a spline (6) which is used for being connected with a wheel-side reducer in a matching way;
One end of the left half axle shell (1) and one end of the right half axle shell (3) close to the axle housing middle section (2) are respectively provided with a thickening layer (8), and the thickening layers (8) are positioned between the triangular brake disc mounting frame (5) and the axle housing middle section (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186117.5A CN112265416B (en) | 2020-10-30 | 2020-10-30 | Heavy-load forklift front drive axle housing based on triangle reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186117.5A CN112265416B (en) | 2020-10-30 | 2020-10-30 | Heavy-load forklift front drive axle housing based on triangle reinforcing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112265416A CN112265416A (en) | 2021-01-26 |
| CN112265416B true CN112265416B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011186117.5A Active CN112265416B (en) | 2020-10-30 | 2020-10-30 | Heavy-load forklift front drive axle housing based on triangle reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112265416B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1477330A2 (en) * | 2003-05-15 | 2004-11-17 | Kabushiki Kaisha Toyota Jidoshokki | Axle beam for industrial vehicle, method of manufacturing the same and rear steering apparatus |
| CN104029577A (en) * | 2013-03-07 | 2014-09-10 | Zf腓德烈斯哈芬股份公司 | Drive Axle for an Industrial Truck |
| CN204774404U (en) * | 2015-07-14 | 2015-11-18 | 晋江市大力士机械制造有限公司 | Sectional type forklift driving axle housing shell |
| WO2017114423A1 (en) * | 2015-12-31 | 2017-07-06 | Byd Company Limited | Electric drive axle assembly and vehicle having the electric drive axle assembly |
| CN210309778U (en) * | 2019-09-06 | 2020-04-14 | 杭叉集团股份有限公司 | Front drive axle housing of heavy forklift |
| CN111251782A (en) * | 2020-03-23 | 2020-06-09 | 泰安九洲金城机械有限公司 | Super-high-horsepower split type drive axle and machining and connecting method thereof |
| CN111452566A (en) * | 2020-04-13 | 2020-07-28 | 浙江工业大学 | High-strength heavy-load forklift drive axle housing |
| CN213799109U (en) * | 2020-10-30 | 2021-07-27 | 浙江工业大学 | Heavy-duty forklift front drive axle housing based on triangular reinforcing structure |
-
2020
- 2020-10-30 CN CN202011186117.5A patent/CN112265416B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1477330A2 (en) * | 2003-05-15 | 2004-11-17 | Kabushiki Kaisha Toyota Jidoshokki | Axle beam for industrial vehicle, method of manufacturing the same and rear steering apparatus |
| CN104029577A (en) * | 2013-03-07 | 2014-09-10 | Zf腓德烈斯哈芬股份公司 | Drive Axle for an Industrial Truck |
| DE102013203848A1 (en) * | 2013-03-07 | 2014-09-11 | Zf Friedrichshafen Ag | Drive axle for an industrial truck |
| CN204774404U (en) * | 2015-07-14 | 2015-11-18 | 晋江市大力士机械制造有限公司 | Sectional type forklift driving axle housing shell |
| WO2017114423A1 (en) * | 2015-12-31 | 2017-07-06 | Byd Company Limited | Electric drive axle assembly and vehicle having the electric drive axle assembly |
| CN210309778U (en) * | 2019-09-06 | 2020-04-14 | 杭叉集团股份有限公司 | Front drive axle housing of heavy forklift |
| CN111251782A (en) * | 2020-03-23 | 2020-06-09 | 泰安九洲金城机械有限公司 | Super-high-horsepower split type drive axle and machining and connecting method thereof |
| CN111452566A (en) * | 2020-04-13 | 2020-07-28 | 浙江工业大学 | High-strength heavy-load forklift drive axle housing |
| CN213799109U (en) * | 2020-10-30 | 2021-07-27 | 浙江工业大学 | Heavy-duty forklift front drive axle housing based on triangular reinforcing structure |
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| Publication number | Publication date |
|---|---|
| CN112265416A (en) | 2021-01-26 |
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