CN205035041U - Fork lift door frame section steel - Google Patents
Fork lift door frame section steel Download PDFInfo
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- CN205035041U CN205035041U CN201520679373.6U CN201520679373U CN205035041U CN 205035041 U CN205035041 U CN 205035041U CN 201520679373 U CN201520679373 U CN 201520679373U CN 205035041 U CN205035041 U CN 205035041U
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- web
- reinforced rib
- flange plate
- radius
- shaped steel
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Abstract
The utility model provides a fork lift door frame section steel belongs to the shaped steel field. This fork lift door frame section steel includes web, a pair of flange plate and strengthening rib, the both ends of web and two the flange plate links to each other, the cross section of web and two flange plate constitutions is the channel -section steel shape, one side flange plate is being close to to perpendicular setting of strengthening rib on the lateral surface of web, the flange plate that is close to the strengthening rib is the near -end flange plate, and the flange plate of keeping away from the strengthening rib is the distal end flange plate, the junction of web and two flange plates forms a pair of interior angle and a pair of exterior angle respectively, the web forms a pair of strengthening rib interior angle with the strengthening rib junction, be close to this side of near -end flange plate the strengthening rib interior angle is connected with the exterior angle of web and near -end flange plate junction including inside radius and outer oblique angle, the one end at this outer oblique angle, and the other end is connected with this inside radius, the long limit of being somebody's turn to do outer oblique angle is located web one side, and the minor face is located strengthening rib one side.
Description
Technical field
The utility model belongs to shaped steel field, is specifically related to a kind of gantry-shaped steel of forklift.
Background technology
Fork truck is as the important equipment of logistics system, and its demand constantly increases.And get as the fork of fork truck to goods, be elevated, stack, the door frame that hoists of the operation such as piling, be again most important primary structure member.Due to the particularity particularly balance weight type front fork truck of its position, door frame is all be suspended on the drive axle of vehicle front, is carrying out fork picking thing, is promoting in operation and short-distance transport, is that the centre of moment produces very large capsizing moment with propons.Therefore reduce portal frame system deadweight, production material cost not only can be made to reduce, its its usage economy also significantly improves simultaneously.
According to structure structure and the principle of work of forklift lifting system, inside and outside door frame is the skeleton of carrying lift work, and its rigidity, intensity, stability are directly connected to the safety performance of car load.By force analysis, the stress of the dangerous end face of pillar steel mainly contains following a few part: 1, integrally bending stress, by lifting and about deadweight is to the Moment of vertical door frame plane framework generation; 2, local stress, is produced by the pressure load of the longitudinal roller of door frame and door frame pillar steel edge of a wing rail contact; 3, constraint torsion stress, because inner-outer door shelf structure is statically indeterminate steel frame, column roller pressure is not the flexual center acting on pillar steel end face, therefore moment of torsion is produced, add door frame upper, middle and lower crossbeam to the constraint of door frame column, so the column after stressed produces constraint normal stress and friction stress; 4, also bearing axle pressure to outer mast, is produced by chain and dump ram effect.
Forklift door frame generally adopts the channel-section steel mode of welding with reinforced rib at present, and its Fabrication procedure is many, and weld easily cracks, bad in the junction strained condition of web and the edge of a wing and web and reinforced rib, easily produces fatigue damage, affects fork truck service life.The poor structure rigidity of door frame, is unfavorable for the carrying of door frame, is also unfavorable for the guiding of roller.In addition, due to door frame from great, very large capsizing moment is produced to fork truck, have impact on stability and the economy of fork truck.
Utility model content
The purpose of this utility model is to solve the difficult problem existed in above-mentioned prior art, a kind of gantry-shaped steel of forklift is provided, solve the problem of stress concentration between web and flange plate and between web and reinforced rib, ensure that roller operates steadily, reduce the deadweight of portal frame system simultaneously, reduce productive costs, improve the economy of its stability and use.
The utility model is achieved through the following technical solutions:
A kind of gantry-shaped steel of forklift, comprises web, a pair flange plate and reinforced rib;
The two ends of described web are connected with two described flange plates, and the cross-sectional plane that described web and two flange plates are formed is channel-section steel shape; Described reinforced rib is vertically set on the lateral surface of the described web of side flange plate, and the flange plate near reinforced rib is proximal wings listrium, and the flange plate away from reinforced rib is distal wings listrium;
A pair interior angle and a pair exterior angle is formed respectively in the junction of described web and two flange plates; A pair reinforced rib interior angle is formed at described web and reinforced rib junction;
Include filleted corner and outer oblique angle at the described reinforced rib interior angle near described this side of proximal wings listrium, the one end at this outer oblique angle is connected with the exterior angle of web and proximal wings listrium junction, and the other end is connected with this filleted corner;
The long limit at this outer oblique angle is positioned at web side, and minor face is positioned at reinforced rib side;
The angle that this outer oblique angle and web outside face are formed is 7.50 °;
Another reinforced rib interior angle is filleted corner.
The interior angle of described web and two flange plate junctions comprises filleted corner and inner bevel; The long limit of this inner bevel is positioned at described web side, and the minor face of inner bevel is positioned at flange plate side, and the minor face of described inner bevel is 5mm, and long limit is 15mm;
The exterior angle of described web and flange plate junction is fillet, and its radius is 3.5 ~ 8.5mm.
The top of described reinforced rib is provided with two bullnoses, and the radius near the bullnose of proximal wings listrium side is 3.5 ~ 8.5mm, and the radius of another bullnose is 0 ~ 4.5mm.
The bottom of each described flange plate is provided with two bullnoses, and the radius of the bullnose in outside is 3.5 ~ 8.5mm, and the radius of the bullnose of inner side is 0 ~ 4.5mm.
The lateral surface of described web is parallel with the medial surface of web, and parallel with the bottom side of described a pair flange plate;
The lateral surface of described web is parallel with the top side face of described reinforced rib and straight;
Described reinforced rib left and right side is parallel with the lateral surface of two flange plates;
The lateral surface of described web and two lateral surfaces of described two flange plates orthogonal, and vertical with the left and right side of described reinforced rib;
The gradient of two medial surfaces of described two flange plates or angular error symmetry.
The filleted corner of described web and two flange plate junctions is arranged on the transition position of described inner bevel and web and the transition position of inner bevel and flange plate; And the radius of described filleted corner is 2.5 ~ 7.5mm;
The fillet radius of the both sides of described web and reinforced rib junction is 2.5 ~ 7.5mm.
The radius of the bullnose of side, described reinforced rib top is 6mm, and the radius of the bullnose of opposite side is 2mm;
The angle that the junction of described web and reinforced rib is formed is 89 ° ~ 91 °;
Be provided with filleted corner at described inner bevel and the transition position of web and the transition position of inner bevel and flange plate, its radius is 5mm;
The radius of the filleted corner in two reinforced rib interior angles is 5mm.
The length of the cross-sectional plane of described gantry-shaped steel of forklift is 119.1 ~ 123.5mm;
Described reinforced rib left surface is 21.2 ~ 22.8mm to the horizontal throw of proximal wings listrium lateral surface;
The thickness of described reinforced rib is 20.5 ~ 22.1mm;
The thickness of two described flange plates is 20.5 ~ 22.1mm;
The thickness of described web is 10.3 ~ 11.3mm;
Described reinforced rib top side face is 27mm to the vertical distance in web outside face;
Horizontal throw between the medial surface of two flange plates is 78.1 ~ 79.3mm;
The top side face of described reinforced rib is 67 ~ 69mm to the vertical distance of the bottom side of flange plate;
The lateral surface of described web is 41mm to the vertical distance of the bottom side of flange plate.
Described section steel material superficial hardness is 180 ~ 220; Shaped steel sinuousness every meter is 0 ~ 1mm, and total sinuousness is 0 ~ 0.3% of total length; Shaped steel twist every meter is 0 ~ 1mm, and total twist is 0 ~ 0.1% of total length;
The projection in described web outside face or recessed vertical distance are 0 ~ 1mm.
Compared with prior art, the beneficial effects of the utility model are:
1, overcome the problem that stress is concentrated, ensure that roller operates steadily;
2, after end face physical dimension generally reduces, under same load effect, safety factor does not reduce and increases on the contrary;
3, integrally bending stress and local stress numerical are more tending towards balanced, and the comprehensive equivalent stress calculated according to theory of strength reduces, and safety factor improves;
4, flange plate and web adopt the transition of symmetrical oblique angle, and channel-section steel opening rigidity is increased, and distortion reduces, and meanwhile, reinforced rib and web are an entirety, avoid owing to welding the stress concentration phenomenon caused;
5, because end face web height reduces, door frame front overhang can be made to reduce, whole vehicle stability improves;
6, reduce productive costs, provide the service life of fork truck;
7, provide the stability of fork truck and the economy of use.
Accompanying drawing explanation
The structural representation of Fig. 1 cross-sectional plane of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of gantry-shaped steel of forklift of the utility model, comprises web 1, a pair flange plate 2 and reinforced rib 3; The two ends of described web are connected with two described flange plates, and the cross-sectional plane that described web and two flange plates are formed is channel-section steel shape; Described reinforced rib is vertically set on the lateral surface of the described web of side flange plate, and the flange plate near reinforced rib is proximal wings listrium, and the flange plate away from reinforced rib is distal wings listrium; A pair interior angle and a pair exterior angle is formed respectively in the junction of described web and two flange plates; A pair reinforced rib interior angle is formed at described web and reinforced rib junction; Include filleted corner and outer oblique angle at the described reinforced rib interior angle near described this side of proximal wings listrium, the one end at this outer oblique angle is connected with the exterior angle of web and proximal wings listrium junction, and the other end is connected with this filleted corner; The long limit at this outer oblique angle is positioned at web side, and minor face is positioned at reinforced rib side; The angle that this outer oblique angle and web outside face are formed is 7.50 °; Another reinforced rib interior angle is filleted corner.
The interior angle of described web and two flange plate junctions comprises filleted corner and inner bevel; The long limit of this inner bevel is positioned at described web side, and the minor face of inner bevel is positioned at flange plate side, and the minor face of described inner bevel is 5mm, and long limit is 15mm; The exterior angle of described web and flange plate junction is fillet, and its radius is 6mm.
The top of described reinforced rib is provided with two bullnoses, and the radius near the bullnose of proximal wings listrium side is 6mm, and the radius of another bullnose is 2m.The bottom of each described flange plate is provided with two bullnoses, and the radius of the bullnose in outside is 6mm, and the radius of the bullnose of inner side is 2 row; The lateral surface of described web is parallel with the top side face of described reinforced rib and straight; Described reinforced rib left and right side is parallel with the lateral surface of two flange plates; The lateral surface of described web and two lateral surfaces of described two flange plates orthogonal, and vertical with the left and right side of described reinforced rib; The gradient of two medial surfaces of described two flange plates or angular error symmetry.
The filleted corner of described web and two flange plate junctions is arranged on the transition position of described inner bevel and web and the transition position of inner bevel and flange plate; And the radius of described filleted corner is 5mm; The fillet radius of the both sides of described web and reinforced rib junction is 5mm.The radius of the bullnose of side, described reinforced rib top is 6mm, and the radius of the bullnose of opposite side is 2mm; The angle that the junction of described web and reinforced rib is formed is 89 ° ~ 91 °; Be provided with filleted corner at described inner bevel and the transition position of web and the transition position of inner bevel and flange plate, its radius is 5mm; The radius of the filleted corner in two reinforced rib interior angles is 5mm.The length of the cross-sectional plane of described gantry-shaped steel of forklift is 119.1 ~ 123.5mm; Described reinforced rib left surface is 21.2 ~ 22.8mm to the horizontal throw of proximal wings listrium lateral surface; The thickness of described reinforced rib is 20.5 ~ 22.1mm; The thickness of two described flange plates is 20.5 ~ 22.1mm; The thickness of described web is 10.3 ~ 11.3mm; Described reinforced rib top side face is 27mm to the vertical distance in web outside face; Horizontal throw between the medial surface of two flange plates is 78.1 ~ 79.3mm; The top side face of described reinforced rib is 67 ~ 69mm to the vertical distance of the bottom side of flange plate; The lateral surface of described web is 41mm to the vertical distance of the bottom side of flange plate.
Described section steel material superficial hardness is 180 ~ 220; Shaped steel sinuousness every meter is 0 ~ 1mm, and total sinuousness is 0 ~ 0.3% of total length; Shaped steel twist every meter is 0 ~ 1mm, and total twist is 0 ~ 0.1% of total length;
The projection in described web outside face or recessed vertical distance are 0 ~ 1mm.
Technique scheme is a kind of embodiment of the present utility model, for those skilled in the art, on the basis that the utility model discloses principle, be easy to make various types of improvement or distortion, and the structure be not limited only to described by the above-mentioned specific embodiment of the utility model, therefore previously described just preferred, and not there is restrictive meaning.
Claims (9)
1. a gantry-shaped steel of forklift, is characterized in that: described gantry-shaped steel of forklift comprises web, a pair flange plate and reinforced rib;
The two ends of described web are connected with two described flange plates, and the cross-sectional plane that described web and two flange plates are formed is channel-section steel shape; Described reinforced rib is vertically set on the lateral surface of the described web of side flange plate, and the flange plate near reinforced rib is proximal wings listrium, and the flange plate away from reinforced rib is distal wings listrium;
A pair interior angle and a pair exterior angle is formed respectively in the junction of described web and two flange plates; A pair reinforced rib interior angle is formed at described web and reinforced rib junction;
Include filleted corner and outer oblique angle at the described reinforced rib interior angle near described this side of proximal wings listrium, the one end at this outer oblique angle is connected with the exterior angle of web and proximal wings listrium junction, and the other end is connected with this filleted corner;
The long limit at this outer oblique angle is positioned at web side, and minor face is positioned at reinforced rib side;
The angle that this outer oblique angle and web outside face are formed is 7.50 °;
Another reinforced rib interior angle is filleted corner.
2. gantry-shaped steel of forklift according to claim 1, is characterized in that: the interior angle of described web and two flange plate junctions comprises filleted corner and inner bevel; The long limit of this inner bevel is positioned at described web side, and the minor face of inner bevel is positioned at flange plate side, and the minor face of described inner bevel is 5mm, and long limit is 15mm;
The exterior angle of described web and flange plate junction is fillet, and its radius is 3.5 ~ 8.5mm.
3. gantry-shaped steel of forklift according to claim 2, is characterized in that: the top of described reinforced rib is provided with two bullnoses, and the radius near the bullnose of proximal wings listrium side is 3.5 ~ 8.5mm, and the radius of another bullnose is 0 ~ 4.5mm.
4. gantry-shaped steel of forklift according to claim 3, is characterized in that: the bottom of each described flange plate is provided with two bullnoses, and the radius of the bullnose in outside is 3.5 ~ 8.5mm, and the radius of the bullnose of inner side is 0 ~ 4.5mm.
5. gantry-shaped steel of forklift according to claim 4, is characterized in that: the lateral surface of described web is parallel with the medial surface of web, and parallel with the bottom side of described a pair flange plate;
The lateral surface of described web is parallel with the top side face of described reinforced rib and straight;
Described reinforced rib left and right side is parallel with the lateral surface of two flange plates;
The lateral surface of described web and two lateral surfaces of described two flange plates orthogonal, and vertical with the left and right side of described reinforced rib;
The gradient of two medial surfaces of described two flange plates or angular error symmetry.
6. gantry-shaped steel of forklift according to claim 5, is characterized in that: the filleted corner of described web and two flange plate junctions is arranged on the transition position of described inner bevel and web and the transition position of inner bevel and flange plate; And the radius of described filleted corner is 2.5 ~ 7.5mm;
The fillet radius of the both sides of described web and reinforced rib junction is 2.5 ~ 7.5mm.
7. gantry-shaped steel of forklift according to claim 6, is characterized in that: the radius of the bullnose of side, described reinforced rib top is 6mm, and the radius of the bullnose of opposite side is 2mm;
The angle that the junction of described web and reinforced rib is formed is 89 ° ~ 91 °;
Be provided with filleted corner at described inner bevel and the transition position of web and the transition position of inner bevel and flange plate, its radius is 5mm;
The radius of the filleted corner in two reinforced rib interior angles is 5mm.
8., according to the arbitrary described gantry-shaped steel of forklift of claim 1 to 7, it is characterized in that: the length of the cross-sectional plane of described gantry-shaped steel of forklift is 119.1 ~ 123.5mm;
Described reinforced rib left surface is 21.2 ~ 22.8mm to the horizontal throw of proximal wings listrium lateral surface;
The thickness of described reinforced rib is 20.5 ~ 22.1mm;
The thickness of two described flange plates is 20.5 ~ 22.1mm;
The thickness of described web is 10.3 ~ 11.3mm;
Described reinforced rib top side face is 27mm to the vertical distance in web outside face;
Horizontal throw between the medial surface of two flange plates is 78.1 ~ 79.3mm;
The top side face of described reinforced rib is 67 ~ 69mm to the vertical distance of the bottom side of flange plate;
The lateral surface of described web is 41mm to the vertical distance of the bottom side of flange plate.
9. gantry-shaped steel of forklift according to claim 8, is characterized in that: described section steel material superficial hardness is 180 ~ 220; Shaped steel sinuousness every meter is 0 ~ 1mm, and total sinuousness is 0 ~ 0.3% of total length; Shaped steel twist every meter is 0 ~ 1mm, and total twist is 0 ~ 0.1% of total length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520679373.6U CN205035041U (en) | 2015-09-06 | 2015-09-06 | Fork lift door frame section steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520679373.6U CN205035041U (en) | 2015-09-06 | 2015-09-06 | Fork lift door frame section steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205035041U true CN205035041U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520679373.6U Expired - Fee Related CN205035041U (en) | 2015-09-06 | 2015-09-06 | Fork lift door frame section steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205035041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591812A (en) * | 2018-06-22 | 2018-09-28 | 山东钢铁股份有限公司 | A kind of J-type forklift door frame hot-rolled steel section |
-
2015
- 2015-09-06 CN CN201520679373.6U patent/CN205035041U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591812A (en) * | 2018-06-22 | 2018-09-28 | 山东钢铁股份有限公司 | A kind of J-type forklift door frame hot-rolled steel section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102100 Yanqing District, Yanqing, Beijing, Yanqing garden, Kang Shun Road No. 3 Patentee after: SYC (BEIJING) VEHICLE TESTING ENGINEERING RESEARCH INSTITUTE CO.,LTD. Address before: 102100 East Main Street Beijing city Yanqing County No. 55 Patentee before: PROVING GROUND FOR CONSTRUCTION MACHINERY & REFIT MILITARY VEHICLES OF CAM |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200612 Address after: 102101 Industrial Development Zone, Kangzhuang Town, Yanqing District, Beijing Patentee after: Beijing Li Xing Tongda Technology Development Co.,Ltd. Address before: 102100 Yanqing District, Yanqing, Beijing, Yanqing garden, Kang Shun Road No. 3 Patentee before: SYC (BEIJING) VEHICLE TESTING ENGINEERING RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |