CN203865976U - High-strength forklift fixing portal frame - Google Patents
High-strength forklift fixing portal frame Download PDFInfo
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- CN203865976U CN203865976U CN201420271265.0U CN201420271265U CN203865976U CN 203865976 U CN203865976 U CN 203865976U CN 201420271265 U CN201420271265 U CN 201420271265U CN 203865976 U CN203865976 U CN 203865976U
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- plate
- inclined cylinder
- portal frame
- mounting hole
- tie
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Abstract
The utility model provides a high-strength forklift fixing portal frame. The high-strength forklift fixing portal frame comprises two parallel side plates. Each side plate is integrally composed of a channel steel plate and an E-shaped web arranged on one side of the channel steel plate. Three protrusions outside each E-shaped web are sequentially provided with a connecting beam fixing hole, an inclined cylinder installing hole and a frame installing hole. The upper ends of the two side plates are connected through a connecting beam, supports are welded to the outer sides of the middle portions of the two side plates, support holes coaxial with the inclined cylinder installing holes are formed in the supports, and the support holes and the inclined cylinder installing holes jointly form inclined cylinder supports. The lower ends of the two side plates are connected through a fixing seat. The two sides of the fixing seat are respectively and fixedly provided with a bracket and round bracket holes and the frame installing holes jointly form frame supports. The bending and torsion resistance of the fixing portal frame is improved, stress concentration caused by excessive welding to the portal frame is reduced, and stress resistance of the portal frame is improved; the adverse effects of welding on the portal frame are reduced, and the service life of the fixing portal frame is prolonged.
Description
Technical field
The utility model relates to fork truck lifting mechanism, is specifically related to the fixing door frame of a kind of fork truck high strength.
Background technology
The fixing door frame of fork truck is the important component part of fork truck lifting mechanism, is the major bearing structures of fork truck load-engaging device.The pallet fork being suspended on crotch moves up and down along fixing door frame by means of crotch roller together with crotch, drives goods hoist or decline.The both sides at fixing door frame rear are provided with dump ram, can make fixing door frame lean forward or swing back, and are beneficial to fork and get and stack goods, generally fix the about 3-6 degree of the maximum front rake of door frame, and the rear elevation angle is about 10-13 degree.
Existing fixing door frame is made up of with frame support (5) left and right sides plate (1), tie-beam (2), permanent seat (4), inclined cylinder bearing (3), tie-beam (2), permanent seat (4), (5) the cylinder bearing (3) that tilts are all the outsides (as shown in Figure 1) that are welded on biside plate (1) with frame support (5), cause complex structure and weld seam many, tensile strength and the torsion stiffness of fixing door frame are all significantly declined, thereby affect its service life.
Utility model content
The utility model, in order to solve the problems of the technologies described above, provides a kind of high strength fork truck to fix door frame, strengthens the fatigue resistance of fixing door frame, extends its service life.
The technical solution of the utility model is: a kind of high strength fork truck is fixed door frame, comprise the biside plate be arrangeding in parallel, described side plate is to be made up of channel-section steel plate and the E type web one of being located at channel-section steel plate one side, and three prominences, place, outside of described E type web offer tie-beam fixed orifice, inclined cylinder mounting hole and vehicle frame mounting hole successively; The upper end of described biside plate is connected by tie-beam, and the two ends of described tie-beam are passed described tie-beam fixed orifice and welded with E shape web outside; The outside, middle part of described biside plate is welded with bearing, and described bearing is provided with the bearing hole with inclined cylinder mounting hole concentric, and described bearing hole and inclined cylinder mounting hole form inclined cylinder bearing jointly; The lower end of described biside plate is connected by permanent seat; The both sides of described permanent seat are respectively installed with a support, offer the circular hole symmetrical with described vehicle frame mounting hole on described support, and described support circular hole and vehicle frame mounting hole form frame support jointly.
Further, described permanent seat comprises a base plate, and the upper and lower end of base plate is installed with respectively baffle plate, and the both sides of described base plate are welded on the channel-section steel plate of biside plate.
Further, described tie-beam is round steel pipe.
The utility model is compared with prior art products and is had advantages of following aspect:
1, the strength and stiffness of fixing door frame of the present utility model are large, can realize not load shedding of 8 meters of lifting altitudes.
2, the side plate in the utility model adopts channel-section steel plate and the E type web one of being located at channel-section steel plate one side to form, and the side plate of this structure has module of anti-bending section height and the many features of function than the only channel-section steel plate structure in existing door frame.The inner tank mouths of channel-section steel plate is the tracks of movable door frame, the rear side of E type web is curved configuration, not only good looking appearance, and can be used in connecting of the connection of fixing, inclined cylinder bearing of tie-beam and door frame and frame support, and do not need to weld in addition bearing, reduce the stress that excessively welding produces door frame and concentrate, improve the anti-stress of door frame; And the harmful effect of the welding reducing to door frame, the service life of having improved fixing door frame.
3, the tie-beam in the utility model adopts round steel pipe structure, compared with existing board-like tie-beam structure, not only lightweight, and bending resistance anti-twisting property is strong, and minimum on the sight line impact of forklift lifting system.
4, the permanent seat in the utility model is made up of base plate and the baffle plate of being located at base plate upper and lower end, itself and biside plate forming closed box type construction, greatly improve the bending resistance anti-twisting property of fixing door frame, can effectively avoid the door frame problem of Cracking causing because door frame lifting altitude is high.
5, inclined cylinder bearing is to be jointly made up of the inclined cylinder mounting hole outside the bearing hole in aggregates with it that are welded on E type web, thereby can greatly improve the tensile strength of inclined cylinder bearing and antitorque rigidity.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of fixing door frame of the prior art.
Fig. 2 is the perspective view of fixing door frame of the present utility model.
Fig. 3 is the lateral plan of fixing door frame of the present utility model.
Fig. 4 is the lateral plate structure schematic diagram in the utility model.
In figure: 1-side plate, 1-1 channel-section steel plate, 1-2-E type web, 1-3 tie-beam fixed orifice, 1-4 inclined cylinder mounting hole, 1-5 vehicle frame mounting hole, 2-tie-beam, 3-inclined cylinder bearing, 4-permanent seat, 5-frame support, 6-support.
Detailed description of the invention
As shown in Figure 4, side plate 1 is to be made up of with the E type web 1-2 one of being located at channel-section steel plate one side channel-section steel plate 1-1, and the inner tank mouths of channel-section steel plate 1-1 is the tracks of movable door frame; Three prominences, place, outside of described E type web 1-2 offer successively tie-beam fixed orifice 1-3, inclined cylinder mounting hole 1-4 and connect with frame support with fixing, inclined cylinder bearing that vehicle frame mounting hole 1-5 is respectively used to tie-beam, and do not need to have welded bearing in the outside of side plate 1 in addition.
As shown in Figure 2,3, a kind of high strength fork truck is fixed door frame, comprises the biside plate 1 be arrangeding in parallel, and the upper end of described biside plate 1 is connected by tie-beam 2, and weld through the tie-beam fixed orifice 1-3 on E type web 1-2 and with its outside at the two ends of described tie-beam 2; The outside, middle part of described side plate 1 is welded with bearing, and described bearing is provided with the bearing hole with inclined cylinder mounting hole 1-4 concentric, and described bearing hole and inclined cylinder mounting hole form inclined cylinder bearing 3 jointly.The lower end of described biside plate 1 is connected by permanent seat 4; The both sides of described permanent seat 4 are respectively installed with a support 6, offer the circular hole symmetrical with described vehicle frame mounting hole 1-5 on described support 6, and the circular hole of described support 6 and vehicle frame mounting hole 1-5 form frame support 5 jointly;
Further, described permanent seat 4 comprises a base plate, and the upper and lower end of base plate is installed with respectively baffle plate, and the both sides of described base plate are welded on the channel-section steel plate 1-1 of biside plate 1.Described tie-beam 2 is round steel pipe, improves its bending resistance anti-twisting property, and reduces the sight line impact on forklift lifting system.
Biside plate 1 Parallel Symmetric is placed, and the two ends of tie-beam 2 are respectively through the tie-beam fixed orifice 1-3 on the E type web 1-2 of biside plate 1, and also weld with the outside of biside plate 1 its end; Inclined cylinder bearing 4 is to be made up of with the bearing hole that is welded on E type web 1-2 outside and inclined cylinder mounting hole 1-4 concentric inclined cylinder mounting hole 1-4, make inclined cylinder bearing 4 and side plate 1 be linked as an entirety, can greatly improve the tensile strength of inclined cylinder bearing 4 and antitorque rigidity.Permanent seat 5 inlay cards are in the middle of the bottom of biside plate 1, and the both sides of permanent seat 5 are respectively installed with a support 6, and on support 6, circular hole and bearing hole 1-5 form frame support 5 jointly; A semi-enclosed box type construction of permanent seat 5 and biside plate 1 common composition, has not only strengthened the joint stiffness of fixing door frame, and has improved the fatigue resistance of fixing door frame, has improved the service life of fixing door frame.
Above embodiment is not limited only to protection domain of the present utility model, all modify based on basic thought of the present utility model or change all belong to protection domain of the present utility model.
Claims (3)
1. the fixing door frame of high strength fork truck, comprise the biside plate be arrangeding in parallel, it is characterized in that: described side plate is to be made up of channel-section steel plate and the E type web one of being located at channel-section steel plate one side, and three prominences, place, outside of described E type web offer tie-beam fixed orifice, inclined cylinder mounting hole and vehicle frame mounting hole successively; The upper end of described biside plate is connected by tie-beam, and the two ends of described tie-beam are passed described tie-beam fixed orifice and welded with E shape web outside; The outside, middle part of described biside plate is welded with bearing, and described bearing is provided with the bearing hole with inclined cylinder mounting hole concentric, and described bearing hole and inclined cylinder mounting hole form inclined cylinder bearing jointly; The lower end of described biside plate is connected by permanent seat; The both sides of described permanent seat are respectively installed with a support, offer the circular hole symmetrical with described vehicle frame mounting hole on described support, and described support circular hole and vehicle frame mounting hole form frame support jointly.
2. the fixing door frame of a kind of high strength fork truck according to claim 1, is characterized in that: described permanent seat comprises a base plate, and the upper and lower end of base plate is installed with respectively baffle plate, and the both sides of described base plate are welded on the channel-section steel plate of biside plate.
3. the fixing door frame of a kind of high strength fork truck according to claim 1, is characterized in that: described tie-beam is round steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271265.0U CN203865976U (en) | 2014-05-26 | 2014-05-26 | High-strength forklift fixing portal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271265.0U CN203865976U (en) | 2014-05-26 | 2014-05-26 | High-strength forklift fixing portal frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203865976U true CN203865976U (en) | 2014-10-08 |
Family
ID=51646955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271265.0U Active CN203865976U (en) | 2014-05-26 | 2014-05-26 | High-strength forklift fixing portal frame |
Country Status (1)
| Country | Link |
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| CN (1) | CN203865976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591040A (en) * | 2014-12-29 | 2015-05-06 | 宁波乾豪金属制品有限公司 | Supporting arm for fixing forklift gantry and preparation method thereof |
-
2014
- 2014-05-26 CN CN201420271265.0U patent/CN203865976U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591040A (en) * | 2014-12-29 | 2015-05-06 | 宁波乾豪金属制品有限公司 | Supporting arm for fixing forklift gantry and preparation method thereof |
| CN104591040B (en) * | 2014-12-29 | 2017-05-03 | 宁波乾豪金属制品有限公司 | Supporting arm for fixing forklift gantry and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |