CN109264633B - Welding type pallet fork for forklift and processing method thereof - Google Patents
Welding type pallet fork for forklift and processing method thereof Download PDFInfo
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- CN109264633B CN109264633B CN201811150386.9A CN201811150386A CN109264633B CN 109264633 B CN109264633 B CN 109264633B CN 201811150386 A CN201811150386 A CN 201811150386A CN 109264633 B CN109264633 B CN 109264633B
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- plates
- welded
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- wear
- framework
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Pallets (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a welding type pallet fork for a forklift and a processing method thereof. The welding type fork for the fork loader comprises a fork sleeve, and comprises a main body and two wear-resisting plates, wherein the main body comprises a framework and two side plates, the fork sleeve and the framework are welded together, the two side plates are respectively welded on the left side and the right side of the framework, the two wear-resisting plates are respectively welded on the front side and the back side of the main body, the framework is made of 40Cr, and the wear-resisting plates are made of 27 SiMn. It has the following advantages: welding and forming, and the process is simple; the 40Cr and 27SiMn materials are adopted, so that the environment is not polluted, and the manufacturing cost is low; the strength and rigidity are equivalent to those of the solid forged pallet fork, and the wear resistance is higher than that of the solid forged pallet fork.
Description
Technical Field
The invention relates to a welding type pallet fork for a forklift and a processing method thereof.
Background
The conventional fork for the forklift is forged by using 40Cr or 35CrMo materials, so that the following defects exist: firstly, the process is complex and causes pollution to the environment; secondly, because the dead weight of the fork is too large, forging is very difficult, the cost is high, and the health of workers is hurt. In addition, the conventional fork for the forklift adopts an integral structure, so that the strength is low, the processing is inconvenient, and the wear resistance is low.
Disclosure of Invention
The invention provides a welding type fork for a fork loader and a processing method thereof, which overcome the defects of the fork for the fork loader in the background technology.
One of the adopted technical schemes for solving the technical problems is as follows:
the welding type fork for the fork loader comprises a fork sleeve, wherein the fork sleeve comprises a main body and two wear-resisting plates, the main body comprises a framework and two side plates, the fork sleeve and the framework are welded together, the two side plates are respectively welded on the left side and the right side of the framework, the two wear-resisting plates are respectively welded on the front side and the back side of the main body, the framework is made of 40Cr, and the wear-resisting plates are made of 27 SiMn.
The side plate is made of 40 Cr.
The fork sleeve is made of 40 Cr.
The second technical scheme adopted for solving the technical problems is as follows:
the welding type pallet fork for the forklift comprises a main body and two wear-resistant plates, wherein the main body comprises a framework and two side plates, the framework comprises a plurality of forming plates and a plurality of torsion-resistant plates, the forming plates and the torsion-resistant plates are staggered, left and right and are welded together, the two side plates are respectively welded on the left side and the right side of the framework, and the two wear-resistant plates are respectively welded on the front side and the back side of the main body.
The forming plates have projecting portions projecting from the front and rear surfaces of the torsion plate, and a front weld and a back weld for welding are formed between the projecting portions of each adjacent two forming plates.
The front surface of the forming plate is convexly provided with a plurality of bosses which are arranged at intervals; the wear-resisting plate welded on the front face of the main body is a first wear-resisting plate, the first wear-resisting plate is provided with a through hole for adapting the boss, the through hole of the first wear-resisting plate is adapted to the adapting boss, and the welding boss and the inner wall of the through hole are welded.
The first wear-resisting plate is arranged between the two side plates, and the first wear-resisting plate and the side plates are welded.
The pallet fork sleeve is welded at the upper end part of the framework; the side plates are provided with through holes which are matched with the fork sleeves, and the fork sleeves are sleeved in the through holes of the two side plates and are welded with the inner walls of the fork sleeves and the through holes of the side plates.
And a lower hook is also arranged and welded on the wear-resistant plate welded on the back of the main body.
The framework material is made of 40Cr, and the wear-resistant plate material is made of 27 SiMn.
The third technical scheme adopted for solving the technical problems is as follows:
the processing method of the welding type pallet fork for the forklift comprises the following steps:
step 1, a plurality of forming plates and a plurality of torsion plates are arranged side by side in a staggered way, and the forming plates and the torsion plates are welded together through a front welding line and a back welding line to form a framework;
step 2, additionally arranging a fork sleeve, and welding the fork sleeve at the upper end part of the framework;
step 3, welding two side plates on the left side and the right side of the framework;
and 4, welding the two wear-resistant plates on the front surface and the back surface of the main body respectively.
Compared with the background technology, the technical proposal has the following advantages:
fork sleeve pipe and skeleton welding are in the same place, and both sides board welds respectively in skeleton left and right sides, and two antifriction plates weld respectively in main part openly and the back, and the skeleton material adopts 40Cr to make, and antifriction plate material adopts 27SiMn to make, then can overcome the not enough and the following technological effect that exists of background art: firstly, welding and forming are carried out, and the process is simple; secondly, 40Cr and 27SiMn materials are adopted, so that the environment is not polluted, and the manufacturing cost is low; third, the strength and rigidity are equivalent to those of a solid forged pallet fork, and the wear resistance is higher than that of the solid forged pallet fork.
The framework comprises a plurality of forming plates and a plurality of torsion plates, the forming plates and the torsion plates are staggered, left and right and are welded together, two side plates are welded on the left side and the right side of the framework respectively, two wear-resistant plates are welded on the front side and the back side of the main body respectively, the strength is high, the wear resistance is good, the welding formation is realized, the process is simple, and the manufacturing cost is low.
The forming plates are provided with extending parts extending out of the front surface and the back surface of the torsion plate, and a front welding seam and a back welding seam for welding are formed between the extending parts of every two adjacent forming plates, so that the process is simple, and the welding strength is high.
The front surface of the forming plate is convexly provided with a plurality of bosses which are arranged at intervals; the through hole of adaptation boss has been seted up to first antifriction plate, and the through hole adaptation of first antifriction plate connects boss and welding boss and through hole inner wall, on the one hand, simple process, and weld strength is big, on the other hand, realizes direction and location through hole and boss cooperation.
The processing method of the welding type pallet fork for the forklift is simple and convenient, low in processing cost and free of environmental pollution.
Drawings
The invention is further described below with reference to the drawings and the detailed description.
Fig. 1 is a schematic front view of a welded pallet fork for a forklift of an embodiment.
Fig. 2 is a schematic top view of a welded pallet fork for a forklift of an embodiment.
Fig. 3 is a schematic left-hand view of a welded pallet fork for a forklift of an embodiment.
Fig. 4 is a right side view of a welded pallet fork for a forklift of an embodiment.
Fig. 5 is a schematic view of section A-A of fig. 2.
Detailed Description
Referring to fig. 1 to 5, the welding type fork for the forklift is provided with a fork sleeve 10 and a lower hook 12, and the welding type fork for the forklift comprises a main body and two wear plates 161 and 162, wherein the main body comprises a framework 14 and two side plates 18, the wear plates 161 and 162 are made of 27SiMn, the framework 14 is made of 40Cr, the side plates 18 are made of 40Cr, and the fork sleeve 10 and the lower hook 12 are made of 40 Cr.
The armature 14 includes a plurality of forming plates 20 and a plurality of torsion plates 22, the plurality of forming plates 20 and the plurality of torsion plates 22 being staggered side-by-side and welded together. In a specific structure, the number of the torsion plates 22 is one more than that of the forming plates 20, and both outer side plates of the framework 14 are torsion plates 22; the forming plates 20 have first projecting portions 201 projecting from the front and rear surfaces of the torsion plates 22, and first front welds 202 and first rear welds 203 for welding are formed between the first projecting portions 201 of each adjacent two forming plates 20, and the plurality of forming plates 20 and the plurality of torsion plates 22 are welded together by the first front welds 202 and the first rear welds 203.
The fork sleeve 10 is welded at the upper end of the framework 14, the upper end surface of the framework 14 is provided with an arc surface which is matched with the fork sleeve 10, and the fork sleeve 10 is welded on the arc surface of the framework 14.
The two side plates 18 are welded on the left and right sides of the framework 14 respectively, and in the specific structure: the side panel 18 has a second extension extending beyond the torsion panel 22, and a second forward weld 204 and a second back weld 205 are formed between the second extension and the first extension of the outermost formed panel 20, the frame 14 and the side panel 18 being welded together by the second forward weld 204 and the second back weld 205; the side plates 18 are provided with through holes 181 which are adapted to the fork pockets 10, the fork pockets 10 are sleeved in the through holes 181 of the side plates 18 and the fork pockets 10 and the inner walls of the through holes 181 of the side plates 18 are welded.
The front surface of the forming plate 20 is convexly provided with a plurality of bosses 206 which are arranged at intervals, such as being arranged at intervals along the length direction of the forming plate 20; the wear-resistant plate welded on the front surface of the main body is a first wear-resistant plate 161, and the wear-resistant plate welded on the back surface of the main body is a second wear-resistant plate 162; the first wear-resistant plate 161 is provided with a through hole 163 adapted to the boss 206, the through hole 163 of the first wear-resistant plate 161 is sleeved with the boss 206, the first wear-resistant plate 161 is positioned on the front face of the framework 14 and between the two side plates 18, the first wear-resistant plate 161 and the two side plates 18 are welded, and the boss 206 and the inner wall of the through hole 163 are welded. The second wear plate 162 is positioned on the back of the frame 14 and between the two side plates 18, and the second wear plate 162 and the two side plates 18 are welded. The first wear plate 161 is flush with the front side of the side plate 18 and the second wear plate 162 is flush with the back side of the side plate 18. The boss 206 directly constitutes the first projecting portion 201, for example. A second boss 207 may be provided on the back of the forming plate 20, as needed, and a second through hole may be provided in the second wear plate, the second through hole being adapted to the second boss, and the second boss and the inner wall of the second through hole being welded.
The lower hook is welded to the second wear plate 162 welded to the back of the frame.
Among the forks in this embodiment: as shown in FIG. 1, the maximum length of the MN-joint, R1-fillet radius, R2-bullnose radius (R1 > R2), a- -horizontal thickness, b- -dorsal thickness, then:
in this embodiment, the R1 and R2 are, for example: r1=60r2=40, r1=50r2=30.
When a=b:
the two groups are selected to ensure that the MN is maximized and that the cargo can rest against the high back front panel without stress concentrations at R1.
The processing method of the welding type pallet fork for the forklift comprises the following steps:
step 1, arranging a plurality of forming plates 20 and a plurality of torsion plates 22 side by side in a staggered manner, and welding the forming plates 20 and the torsion plates 22 together through a first front welding line 202 and a first back welding line 203 to form a framework 14;
step 2, welding the fork sleeve 10 on the cambered surface of the upper end part of the framework 14;
step 3, arranging two side plates 18 on the left and right sides of the framework 14 respectively, sleeving through holes 181 of the side plates 18 outside the fork sleeve 10, and welding the through holes 181 of the side plates 18 and the fork sleeve 10; and, welding the two side plates 18 on the left and right sides of the skeleton 14 through a second front weld 204 and a second back weld 205;
step 4, placing the first wear plate 161 on the front surface of the framework 14, adapting the through holes 163 of the first wear plate 161 to the bosses 206 of the matched-connection forming plate 20, welding the through holes 163 and the bosses 206 of the first wear plate 161, and welding the first wear plate 161 and the side plates 18; and, welding the second wear plate 162 and the side plate 18.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and therefore should not be taken as limiting the scope of the invention, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (7)
1. Welding type fork for fork loader, including fork sleeve pipe, its characterized in that: the fork sleeve is welded with the framework, the two side plates are respectively welded on the left side and the right side of the framework, the framework comprises a plurality of forming plates and a plurality of torsion plates, the forming plates and the torsion plates are staggered, left and right side and are welded together, the two wear plates are respectively welded on the front side and the back side of the main body, the framework is made of 40Cr, and the wear plates are made of 27 SiMn; the forming plates are provided with extending parts extending out of the front surface and the back surface of the torsion plate, and a front welding seam and a back welding seam for welding are formed between the extending parts of every two adjacent forming plates; the front surface of the forming plate is convexly provided with a plurality of bosses which are arranged at intervals; the wear-resisting plate welded on the front face of the main body is a first wear-resisting plate, the first wear-resisting plate is provided with a through hole for adapting the boss, the through hole of the first wear-resisting plate is adapted to the adapting boss, and the welding boss and the inner wall of the through hole are welded.
2. The welded pallet fork for a forklift as defined in claim 1, wherein: the side plate is made of 40 Cr.
3. The welded pallet fork for a forklift as defined in claim 1, wherein: the fork sleeve is made of 40 Cr.
4. The welded pallet fork for a forklift as defined in claim 1, wherein: the first wear-resisting plate is arranged between the two side plates, and the first wear-resisting plate and the side plates are welded.
5. The welded pallet fork for a forklift as defined in claim 1, wherein: the pallet fork sleeve is welded at the upper end part of the framework; the side plates are provided with through holes which are matched with the fork sleeves, and the fork sleeves are sleeved in the through holes of the two side plates and are welded with the inner walls of the fork sleeves and the through holes of the side plates.
6. The welded pallet fork for a forklift as defined in claim 1, wherein: and a lower hook is also arranged and welded on the wear-resistant plate welded on the back of the main body.
7. The method for processing a welded pallet fork for a forklift as claimed in claim 1, wherein: comprising the following steps:
step 1, a plurality of forming plates and a plurality of torsion plates are arranged side by side in a staggered way, and the forming plates and the torsion plates are welded together through a front welding line and a back welding line to form a framework;
step 2, additionally arranging a fork sleeve, and welding the fork sleeve at the upper end part of the framework;
step 3, welding two side plates on the left side and the right side of the framework;
and 4, welding the two wear-resistant plates on the front surface and the back surface of the main body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150386.9A CN109264633B (en) | 2018-09-29 | 2018-09-29 | Welding type pallet fork for forklift and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150386.9A CN109264633B (en) | 2018-09-29 | 2018-09-29 | Welding type pallet fork for forklift and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109264633A CN109264633A (en) | 2019-01-25 |
| CN109264633B true CN109264633B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811150386.9A Active CN109264633B (en) | 2018-09-29 | 2018-09-29 | Welding type pallet fork for forklift and processing method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020394219A1 (en) * | 2019-11-27 | 2022-06-16 | Cascade Corporation | Connection between forks and hangers on forks |
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| US3154208A (en) * | 1959-11-16 | 1964-10-27 | Barrett Cravens Co | Fork lift truck with a laterally shiftable carriage means and forks that are pivotedabout a horizontal axis |
| SE417812B (en) * | 1980-07-23 | 1981-04-13 | Ssab Svenskt Stal Ab | Lifting fork and method of fabrication of a lifting fork |
| EP0739854A1 (en) * | 1995-04-29 | 1996-10-30 | Vetter Umformtechnik GmbH | Fork arm |
| CN203474387U (en) * | 2013-07-29 | 2014-03-12 | 杭州华东转向节有限公司 | Sleeve welded type fork |
| CN103648962A (en) * | 2011-06-15 | 2014-03-19 | 菲利普·斯勒扎克 | Method for producing a fork arm, and fork arm |
| CN204356025U (en) * | 2014-12-23 | 2015-05-27 | 石家庄广威农牧有限公司 | The fork truck piling tray of transport feed |
| CN204897327U (en) * | 2015-07-08 | 2015-12-23 | 山东临工工程机械有限公司 | Box welding chain stay prong |
| CN108015470A (en) * | 2017-11-28 | 2018-05-11 | 江苏天港箱柜有限公司 | Device for 10kV breaker Frame Weldings |
| CN209442580U (en) * | 2018-09-29 | 2019-09-27 | 厦门厦金机械股份有限公司 | A kind of forklift welded type pallet fork |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9802802B2 (en) * | 2015-03-23 | 2017-10-31 | Caterpillar Inc. | Work tool |
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2018
- 2018-09-29 CN CN201811150386.9A patent/CN109264633B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3154208A (en) * | 1959-11-16 | 1964-10-27 | Barrett Cravens Co | Fork lift truck with a laterally shiftable carriage means and forks that are pivotedabout a horizontal axis |
| SE417812B (en) * | 1980-07-23 | 1981-04-13 | Ssab Svenskt Stal Ab | Lifting fork and method of fabrication of a lifting fork |
| EP0739854A1 (en) * | 1995-04-29 | 1996-10-30 | Vetter Umformtechnik GmbH | Fork arm |
| CN103648962A (en) * | 2011-06-15 | 2014-03-19 | 菲利普·斯勒扎克 | Method for producing a fork arm, and fork arm |
| CN203474387U (en) * | 2013-07-29 | 2014-03-12 | 杭州华东转向节有限公司 | Sleeve welded type fork |
| CN204356025U (en) * | 2014-12-23 | 2015-05-27 | 石家庄广威农牧有限公司 | The fork truck piling tray of transport feed |
| CN204897327U (en) * | 2015-07-08 | 2015-12-23 | 山东临工工程机械有限公司 | Box welding chain stay prong |
| CN108015470A (en) * | 2017-11-28 | 2018-05-11 | 江苏天港箱柜有限公司 | Device for 10kV breaker Frame Weldings |
| CN209442580U (en) * | 2018-09-29 | 2019-09-27 | 厦门厦金机械股份有限公司 | A kind of forklift welded type pallet fork |
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| CN109264633A (en) | 2019-01-25 |
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