CN102900235A - Material distribution arm support, method for manufacturing material distribution arm support, and pumping equipment - Google Patents
Material distribution arm support, method for manufacturing material distribution arm support, and pumping equipment Download PDFInfo
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- CN102900235A CN102900235A CN2012103493158A CN201210349315A CN102900235A CN 102900235 A CN102900235 A CN 102900235A CN 2012103493158 A CN2012103493158 A CN 2012103493158A CN 201210349315 A CN201210349315 A CN 201210349315A CN 102900235 A CN102900235 A CN 102900235A
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Abstract
The invention discloses a material distribution arm support which is arranged on the pumping equipment. The material distribution arm support comprises a top plate, a base plate and two side plates, wherein the top plate and the base plate are connected between the two side plates and spaced from each other for a distance; and the top plate, the two side plates and the base plate form a box-shaped structure, are all made of aluminium alloy and are integrated into a whole. The material distribution arm support is made of the aluminium alloy and is light in weight and high in corrosion resistance; and the manufacturing process is simple. The invention also provides a method for manufacturing the material distribution arm support and pumping equipment with the material distribution arm support.
Description
Technical field
The present invention relates to engineering machinery field, in particular to manufacture method and the pumping equipment of a kind of distributing arm support, distributing arm support.
Background technology
The distributing arm support of concrete mixer need to overhang away when operation, therefore can bear huge moment of flexure.In order to guarantee that distributing arm support has higher strength and stiffness, the general high strength steel that adopts is made pumping vehicle arm rack in the prior art, but thus, the weight of distributing arm support increases greatly, causes that thus oil consumption is large, mobility is poor, the chassis is required very high series of problems.
In order to solve the excessive problem of distributing arm support weight, in recent years, people have carried out the light-weighted research of jib from many-sides such as jib structure, jib materials.Number of patent application is CN201010524104, the patent application that name is called " a kind of method of making the automobile-used carbon cloth material of concrete pump jib " proposes to make the cloth arm of truck mounted concrete pump frame with carbon-fibre reinforced epoxy resin, carbon-fibre reinforced epoxy resin lightweight, specific strength is high, can greatly alleviate the weight of distributing arm support, simultaneously can also avoid a large amount of welding, the structural strength of jib is good.
But, adopt carbon fibre composite to make distributing arm support and have following several technical problem:
The first, the distributing arm support fragility of carbon fibre composite making is high, fragile.
The second, the cost of carbon fibre composite making distributing arm support is very high.
Three, the distributing arm support of carbon fibre composite making is difficult to recycle, and is unfavorable for environmental protection.
Summary of the invention
In view of this, the present invention proposes manufacture method and the pumping equipment of a kind of distributing arm support, distributing arm support, to solve the overweight problem of distributing arm support in the prior art.
On the one hand, the invention provides a kind of distributing arm support, described distributing arm support comprises top board, base plate and two side plates, and described top board, two side plates and base plate form box structure, described top board, side plate and base plate are made by aluminium alloys, and described top board, side plate and base plate are formed in one.
Preferably, described two side plates protrude to the outside of described base plate, and described two side plates protrude from the part of described base plate and are formed with at the head end of described distributing arm support and the oil cylinder seat between the tail end.
Preferably, described base plate comprises the first base plate and the second base plate, described the first base plate and the second base plate all are connected between described two side plates, and described the second base plate is positioned at the outside of described the first base plate, with described the first base plate interval preset distance, described the first base plate extends to described tail end from described head end, and described the second base plate extends to described oil cylinder seat from described head end.
Preferably, the wrapper sheet of the described box structure of sealing is installed on the head end of described distributing arm support and/or the tail end, described wrapper sheet is made by aluminium alloys, and described wrapper sheet be welded in described top board, two side plates, the base plate at least on both.
Preferably, at described oil cylinder seat the oil cylinder seat stiffener is installed, described oil cylinder seat stiffener is connected between described two side plates, and is positioned at the outside of described base plate.
Preferably, have the convex tendon that extends along described distributing arm support length direction on the inwall of described two side plates, described convex tendon is made by aluminium alloys, and one-body molded with described side plate.
Preferably, described top board, base plate, side plate all at the head end of distributing arm support to the lateral buckling away from described top board, form hinged seat.
Distributing arm support of the present invention adopts aluminium alloys to make, and it is lightweight, corrosion resistance good, and manufacturing process is simple, can significantly reduce on the one hand the cost of distributing arm support, can reduce on the other hand the oil consumption of the concrete mixer that uses this distributing arm support.And compared with prior art, the top board of distributing arm support of the present invention, side plate and base plate are formed in one to make and form, the problems such as structural strength reduction of having avoided welding to bring.
On the other hand, the present invention also provides a kind of manufacture method of distributing arm support, and it comprises the steps:
Moulding: utilize the one-body molded top board of aluminium alloys, base plate and two side plates, described top board, two side plates and base plate form box structure;
Milling: carry out milling at described box structure, obtain the distributing arm support of required form.
Preferably, in forming step, described two side plates protrude to the outside of described base plate; In the milling step, the part that protrudes from described base plate at described two side plates mills out at the head end of described box structure and the oil cylinder seat between the tail end.
Preferably, in forming step, the described base plate that forms comprises the first base plate and the second base plate, described the first base plate and the second base plate all are connected between described two side plates, and described the second base plate is positioned at the outside of the first base plate, with described the first base plate interval preset distance, described the first base plate and the second base plate extend to tail end from the head end of described box structure; In the milling step, the part of described the second base plate of mill off between described oil cylinder seat and described tail end.
Preferably, in forming step, described two side plates protrude to the outside of described base plate; In the milling step, the part that described two side plates protrude from described base plate is carried out milling, form to the hinged seat away from described top board curving with the head end at described box structure, and between described head end and tail end, mill out oil cylinder seat.
Preferably, between forming step and milling step, also comprise the bending step: at the head end of described box structure with described top board, base plate and side plate to the side bending away from described top board.
Preferably, in forming step, at the convex tendon that the inwall formation of described two side plates is extended along the distributing arm support length direction, described convex tendon is made by aluminium alloys, and one-body molded with described side plate.
Preferably, after the milling step, also comprise welding step: the aluminium alloys wrapper sheet of the described box structure of welded closure on the head end of described box structure and/or tail end, and described wrapper sheet be welded in described top board, two side plates, the base plate at least on both.
Preferably, in forming step, described two side plates protrude to the outside of described base plate; In the milling step, the part that protrudes from described base plate at described two side plates mills out at the head end of described box structure and the oil cylinder seat between the tail end; In welding step, the oil cylinder seat stiffener that welding aluminum alloy is made on described oil cylinder seat, described oil cylinder seat stiffener are connected between described two side plates, and are positioned at the outside of described base plate.
Again four block plates are welded as box structure with first moulding four block plates in the prior art and compare, the manufacture method of distributing arm support of the present invention is more simple, and produced distributing arm support lightweight, corrosion resistance good, intensity is high.
On the one hand, the present invention also provides a kind of pumping equipment again, and it comprises above-mentioned each described distributing arm support.This pumping equipment obviously also has whole beneficial effects that above-mentioned distributing arm support brings, and does not repeat them here.
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the distributing arm support of the first embodiment of the present invention;
Fig. 2 is the section structure schematic diagram of the distributing arm support of the first embodiment of the present invention;
Fig. 3 is the exploded view of the distributing arm support of the first embodiment of the present invention;
Fig. 4 is the structural representation of the distributing arm support of the second embodiment of the present invention;
Fig. 5 is another visual angle structural representation of the distributing arm support of the second embodiment of the present invention;
Fig. 6 is the local structure for amplifying schematic diagram of the distributing arm support of the second embodiment of the present invention;
Fig. 7 is the sectional view of the distributing arm support of the second embodiment of the present invention;
Fig. 8 is the manufacture method schematic diagram of the distributing arm support of the first embodiment of the present invention;
Fig. 9 is the manufacture method schematic diagram of the distributing arm support of the second embodiment of the present invention.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments the present invention is further described in detail.
Set forth in the following description a lot of details so that fully understand the present invention, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, the present invention is not subjected to the restriction of following public specific embodiment.
Fig. 1 is the structural representation of the distributing arm support of the first embodiment of the present invention; Fig. 2 is the lateral view of the distributing arm support of the first embodiment of the present invention; Fig. 3 is the exploded view of the distributing arm support of the first embodiment of the present invention; Fig. 4 is the structural representation of the distributing arm support of the second embodiment of the present invention; Fig. 5 is another visual angle structural representation of the distributing arm support of the second embodiment of the present invention; Fig. 6 is the local structure for amplifying schematic diagram of the distributing arm support of the second embodiment of the present invention; Fig. 7 is the sectional view of the distributing arm support of the second embodiment of the present invention; Fig. 8 is the manufacture method schematic diagram of the distributing arm support of the first embodiment of the present invention; Fig. 9 is the manufacture method schematic diagram of the distributing arm support of the second embodiment of the present invention.The present invention will be further elaborated below in conjunction with Fig. 1 to Fig. 9.
Please refer to Fig. 1 to Fig. 7, a kind of distributing arm support that the embodiment of the invention provides, distributing arm support comprises top board 11, base plate 12 and two side plates 13, top board 11 and base plate 12 are connected between two side plates 13, and interval preset distance, top board 11, two side plates 13 and base plate 12 form box structures, and top board 11, side plate 13 and base plate 12 are made by aluminium alloys, and top board 11, side plate 13 and base plate 12 are formed in one.This distributing arm support can be installed on the pumping equipments such as concrete mixer, boom or pump water fire fighting truck.Generally speaking, can be provided with on the above-mentioned pumping equipment by a plurality of distributing arm supports successively hinged boom system that forms.
Aluminium alloys has the characteristics such as density is little, intensity is high, corrosion resistance is good, easy processing, and the extra-super duralumin take the trade mark as LC4 is example, and its extrusion tensile strength at room temperature is not less than 539MPa, can satisfy the working condition requirement of pump truck distributing arm support fully.Therefore, distributing arm support of the present invention adopts aluminium alloys to make, and it is lightweight, corrosion resistance good, and manufacturing process is simple, can significantly reduce on the one hand the cost of distributing arm support, can reduce on the other hand the oil consumption of the concrete mixer that uses this distributing arm support.And, and in the prior art four block plates being welded as box structure and comparing, the top board 11 of distributing arm support of the present invention, side plate 13 and base plate 12 are formed in one to make and form, the problems such as structural strength reduction of having avoided welding to bring.
Please refer to Fig. 1 and 2, in first embodiment of the invention, two side plates 13 protrude to the outside of base plate 12, and two side plates 13 protrude from the part of base plate 12 and are formed with at the head end 15 of distributing arm support and the oil cylinder seat 17 between the tail end 16.The outside of the alleged base plate 12 of the present invention refers to that base plate 12 is away from a side of top board 11.Because side plate 13 protrudes to base plate 12 outsides, therefore can be easily process oil cylinder seat 17 at the projection of side plate, manufacturing process is simple.
In the present embodiment, base plate 12 comprises the first base plate 121 and the second base plate 122, the first base plate 121 and the second base plate 122 all are connected between two side plates 13, and the second base plate 122 is positioned at the outside of the first base plate 121, with the first base plate 121 interval preset distances, the first base plate 121 extends to tail end 16, the second base plates 122 from the head end 15 of distributing arm support and extends to oil cylinder seat 17 from the head end 15 of distributing arm support.
Because distributing arm support is stressed larger between head end 15 and oil cylinder seat 17, therefore lost efficacy easily.The present invention is by setting up the second base plate 122 between head end 15 and oil cylinder seat 17, so that the intensity of distributing arm support is strengthened, and between oil cylinder seat 17 and tail end 16 zone of the stressed less of this section, then only be provided with the first base plate 121, therefore when jib intensity is highly improved, can not increase too much again the weight of jib.
In the present embodiment, the head end 15 of distributing arm support and tail end 16 be all to the curving away from top board 11, and all offer axis hole on head end 15 and the tail end 16, thereby form hinged seats at head end 15 and tail end 16, is used for hinged by bearing pin and other jibs.
Please refer to Fig. 3 and Fig. 7, as preferred embodiment, the wrapper sheet of sealing box structure is installed on the head end 15 of distributing arm support and/or the tail end 16, wrapper sheet is made by aluminium alloys, and wrapper sheet be welded in top board 11, two side plates 13, the base plate 12 at least on both.In the first and second embodiment, the head end 15 of distributing arm support is welded with major part wrapper sheet 18, and tail end 16 is welded with microcephaly's wrapper sheet 19, and major part wrapper sheet 18 and microcephaly's wrapper sheet 19 are welded on top board 11, two side plates 13, the base plate 12.
By at head end 15 and/or tail end 16 wrapper sheet being installed, can make head end 15 and/or tail end 16 obtain local the reinforcement.And wrapper sheet is made by aluminium alloys, and installs by the mode of welding, and it is lightweight, easy for installation.
Although it will be understood by those skilled in the art that in the first and second embodiment, the two ends of distributing arm support all are equipped with wrapper sheet, in other embodiments, only therein end installation wrapper sheet also can play the effect that strengthens jib intensity as required.
Please refer to Fig. 3 and Fig. 7, the oil cylinder seat stiffener 20 for the intensity that improves oil cylinder seat 17 also is installed on oil cylinder seat 17, oil cylinder seat stiffener 20 is connected between two side plates 13, and is positioned at the outside of base plate 12.Oil cylinder seat stiffener 20 also is that aluminium alloys is made, and can be connected with two side plates 13 by the mode of welding.
Please refer to Fig. 2, Fig. 3 and Fig. 6, have the convex tendon 14 that extends along the distributing arm support length direction on the inwall of two side plates 13, convex tendon 14 is made by aluminium alloys, and one-body molded with side plate 13.In the first embodiment and the second embodiment, be arranged at intervals with a plurality of convex tendons 14 on the side plate 13.By convex tendon 14 is set, can strengthen the intensity of side plate 13, thereby improve the intensity of whole distributing arm support, and convex tendon 14 is integrated with side plate 13 that manufacturing process is also fairly simple.
Please refer to Fig. 4 to Fig. 7, in the distributing arm support of second embodiment of the invention, top board 11, base plate 12, side plate 13 all at the head end 15 of distributing arm support to the lateral buckling away from top board 11, and offer axis hole on two side plates 13, so that form hinged seat on the head end 15.In the present embodiment, be by jib head end 15 is curved to pulling away from a side of top board 11, form said structure.In the first embodiment, directly mill out hinged seat at head end 15, among the second embodiment by milling out again hinged seat after top board 11, base plate 12 and side plate 13 bendings, therefore the side plate 13 of moulding when one-body molded can be narrower, more can save material, and processing is also more convenient.The below also can set forth the advantage that this structure is brought in more detail by the manufacture method of distributing arm support.
Need to prove that the base plate 12 of the distributing arm support of second embodiment of the invention also can be made of as described in the first embodiment the first base plate 121 and the second base plate 122, the installation site of the first base plate 121 and the second base plate 122 is identical with the first embodiment.
Please refer to Fig. 8 and Fig. 9, the present invention also provides a kind of manufacture method of distributing arm support, and it comprises the steps:
Moulding: utilize the one-body molded top board 11 of aluminium alloys, base plate 12 and two side plates 13, top board 11 and base plate 12 are connected between two side plates 13, and the interval preset distance, and top board 11, two side plates 13 and base plate 12 form box structures;
Milling: carry out milling at box structure, obtain the distributing arm support of required form.
In above-mentioned steps, moulding can be adopted aluminium alloy extruded forming technique, and milling can be carried out at Digit Control Machine Tool.Again four block plates are welded as box structure with first moulding four block plates in the prior art and compare, the manufacture method of distributing arm support of the present invention is more simple, and produced distributing arm support lightweight, corrosion resistance good, intensity is high.
Preferably, in forming step, two side plates 13 protrude to the outside of described base plate 12; In the milling step, mill out at the head end 15 of box structure and the oil cylinder seat 17 between the tail end 16 in the part that two side plates 13 protrude from base plate 12.
As further prioritization scheme, in forming step, the base plate 12 that forms comprises the first base plate 121 and the second base plate 122, the first base plate 121 and the second base plate 122 all are connected between two side plates 13, and the second base plate 122 is positioned at the outside of the first base plate 121, with the first base plate 121 interval preset distances, the first base plate 121 and the second base plate 122 extend to tail end 16 from the head end 15 of distributing arm support; In the milling step, the part of mill off the second base plate 122 between oil cylinder seat 17 and tail end 16.
By between head end 15 and oil cylinder seat 17, setting up the second base plate 122, so that the intensity of distributing arm support is strengthened, and between oil cylinder seat 17 and tail end 16 zone of the stressed less of this section, then mill the second base plate 122, therefore when jib intensity is highly improved, can not increase too much again the weight of jib.
Preferably, please refer to Fig. 8, in the milling step, mill out to the hinged seat away from the curving of top board 11 at the head end 15 of box structure, and between head end 15 and tail end 16, mill out oil cylinder seat 17.By directly mill out hinged seat on head end 15 and tail end 16, manufacturing process is more simple.In certain embodiments, also mill out hinged seat on the tail end 16 of box structure, the bending direction of the hinged seat of tail end can be identical with the bending direction of the hinged seat of head end 15, also can be opposite.Can have one or two oil cylinder seat 17 between head end 15 and the tail end 16, when having two oil cylinder seats 17 that distribute along the length direction of distributing arm support, the oil cylinder seat 17 of contiguous head end 15 and the hinged seat of head end 15 are towards the same side, and the oil cylinder seat 17 of contiguous tail end 16 and the hinged seat of tail end 14 are towards the same side.
Preferably, please refer to Fig. 9, between forming step and milling step, also comprise the bending step: at the head end 15 of box structure with top board 11, base plate 12 and side plate 13 to the side bending away from top board 11.Generally speaking, on the short transverse (being the width of side plate 13) of distributing arm support, the height of the hinged seat of head end 15 is greater than the height of oil cylinder seat 17, therefore, if directly mill out hinged seat and oil cylinder seat 17 at side plate 13, then side plate 13 width that protrudes from base plate 12 is larger than the height of hinged seat, and if will mill out again hinged seat and oil cylinder seat 17 after top board 11, base plate 12 and side plate 13 bendings, then side plate 13 width that protrudes from base plate 12 only need be slightly larger than the height of oil cylinder seat 17.Therefore, the side plate 13 of moulding when one-body molded can be narrower, more can save material, and more conveniently process at Digit Control Machine Tool.
Preferably, after the milling step, also comprise welding step: the aluminium alloys wrapper sheet of welded closure box structure on the head end 15 of box structure and/or tail end 16, and wrapper sheet be welded in top board 11, two side plates 13, the base plate 12 at least on both.In an embodiment of the present invention, the head end 15 of box structure is welded with major part wrapper sheet 18, and tail end 16 is welded with microcephaly's wrapper sheet 19, and major part wrapper sheet 18 and microcephaly's wrapper sheet 19 are welded on top board 11, two side plates 13, the base plate 12.By welding aluminum alloy wrapper sheet on head end 15 and/or tail end 16, can make head end 15 and/or tail end 16 obtain local the reinforcement.
Preferably, in forming step, two side plates 13 protrude to the outside of described base plate 12; In the milling step, mill out at the head end 15 of box structure and the oil cylinder seat 17 between the tail end 16 in the part that two side plates 13 protrude from base plate 12; In welding step, the oil cylinder seat stiffener 20 that welding aluminum alloy is made on oil cylinder seat 17 is for the intensity of strengthening oil cylinder seat 17.Oil cylinder seat stiffener 20 is connected between two side plates 13, and is positioned at the outside of base plate 12.
Preferably, in forming step, form the convex tendon 14 that extends along the distributing arm support length direction at the inwall of two side plates 13, convex tendon 14 is made by aluminium alloys, and one-body molded with side plate 13.Particularly, can be on side plate 13 convex tendon 14 that arranges of a plurality of intervals of moulding.By convex tendon 14 is set, can strengthen the intensity of side plate 13, thereby improve the intensity of whole distributing arm support, and convex tendon 14 is integrated with side plate 13 that manufacturing process is also fairly simple.
The present invention also provides a kind of pumping equipment, and it comprises the described distributing arm support of above-mentioned arbitrary embodiment.This pumping equipment can be concrete mixer, boom or pump water fire fighting truck.This pumping equipment obviously also has whole beneficial effects that above-mentioned distributing arm support brings, and does not repeat them here.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. distributing arm support, described distributing arm support comprises top board (11), base plate (12) and two side plates (13), described top board (11), two side plates (13) and base plate (12) form box structure, it is characterized in that, described top board (11), side plate (13) and base plate (12) are made by aluminium alloys, and described top board (11), side plate (13) and base plate (12) are formed in one.
2. distributing arm support according to claim 1, it is characterized in that, described two side plates (13) protrude to the outside of described base plate (12), and described two side plates (13) protrude from and are formed with the head end (15) that is positioned at described distributing arm support and the oil cylinder seat (17) between the tail end (16) on the part of described base plate (12).
3. distributing arm support according to claim 2, it is characterized in that, described base plate (12) comprises the first base plate (121) and the second base plate (122), described the first base plate (121) and the second base plate (122) all are connected between described two side plates (13), and described the second base plate (122) is positioned at the outside of described the first base plate (121), with described the first base plate (121) interval preset distance, described the first base plate (121) extends to described tail end (16) from described head end (15), and described the second base plate (122) extends to described oil cylinder seat (17) from described head end (15).
4. distributing arm support according to claim 1, it is characterized in that, the wrapper sheet (18,19) of the described box structure of sealing is installed on the head end of described distributing arm support (15) and/or the tail end (16), described wrapper sheet (18,19) is made by aluminium alloys, and described wrapper sheet (18,19) be welded in described top board (11), two side plates (13), the base plate (12) at least on both.
5. distributing arm support according to claim 2, it is characterized in that, at described oil cylinder seat (17) oil cylinder seat stiffener (20) is installed, described oil cylinder seat stiffener (20) is connected between described two side plates (13), and is positioned at the outside of described base plate (12).
6. according to claim 1 to 5 each described distributing arm supports, it is characterized in that, have the convex tendon (14) that extends along described distributing arm support length direction on the inwall of described two side plates (13), described convex tendon (14) is made by aluminium alloys, and one-body molded with described side plate (13).
7. according to claim 1 to 5 each described distributing arm supports, it is characterized in that, described top board (11), base plate (12), side plate (13) all at the head end (15) of distributing arm support to the lateral buckling away from described top board (11), form hinged seat.
8. the manufacture method of a distributing arm support is characterized in that, comprises the steps:
Moulding: utilize the one-body molded top board of aluminium alloys (11), base plate (12) and two side plates (13), described top board (11), two side plates (13) and base plate (12) form box structure;
Milling: carry out milling at described box structure, obtain the distributing arm support of required form.
9. the manufacture method of distributing arm support according to claim 8 is characterized in that,
In forming step, described two side plates (13) protrude to the outside of described base plate (12);
In the milling step, the part that protrudes from described base plate (12) at described two side plates (13) mills out the head end (15) that is positioned at described box structure and the oil cylinder seat (17) between the tail end (16).
10. the manufacture method of distributing arm support according to claim 9 is characterized in that,
In forming step, the described base plate (12) that forms comprises the first base plate (121) and the second base plate (122), described the first base plate (121) and the second base plate (122) all are connected between described two side plates (13), and described the second base plate (122) is positioned at the outside of the first base plate (121), with described the first base plate (121) interval preset distance, described the first base plate (121) and the second base plate (122) extend to tail end (16) from the head end (15) of described box structure;
In the milling step, described the second base plate of mill off (122) is positioned at the part between described oil cylinder seat (17) and the described tail end (16).
11. the manufacture method of distributing arm support according to claim 8 is characterized in that,
In forming step, described two side plates (13) protrude to the outside of described base plate (12);
In the milling step, the part that described two side plates (13) is protruded from described base plate (12) is carried out milling, forms to the hinged seat away from described top board (11) curving with the head end (15) at described box structure.
12. according to claim 8 to the manufacture method of 11 each described distributing arm supports, it is characterized in that, between forming step and milling step, also comprise the bending step: at the head end (15) of described box structure with described top board (11), base plate (12) and side plate (13) to the side bending away from described top board (11).
13. according to claim 8 to the manufacture method of 11 each described distributing arm supports, it is characterized in that, in forming step, inwall at described two side plates (13) forms the convex tendon (14) that extends along the distributing arm support length direction, described convex tendon (14) is made by aluminium alloys, and one-body molded with described side plate (13).
14. according to claim 8 to the manufacture method of 11 each described distributing arm supports, it is characterized in that, after the milling step, also comprise welding step: at the aluminium alloys wrapper sheet (18,19) of the head end (15) of described box structure and/or the upper described box structure of welded closure of tail end (16), and described wrapper sheet (18,19) be welded in described top board (11), two side plates (13), the base plate (12) at least on both.
15. according to claim 9 or the manufacture method of 10 described distributing arm supports, it is characterized in that,
After the milling step, also comprise welding step: the oil cylinder seat stiffener (20) that welding aluminum alloy is made on described oil cylinder seat (17), described oil cylinder seat stiffener (20) is connected between described two side plates (13), and is positioned at the outside of described base plate (12).
16. a pumping equipment is characterized in that, comprises such as each described distributing arm support of claim 1 to 7.
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| CN201210349315.8A CN102900235B (en) | 2012-09-19 | 2012-09-19 | The manufacture method of a kind of distributing arm support, distributing arm support and pumping equipment |
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| CN201210349315.8A CN102900235B (en) | 2012-09-19 | 2012-09-19 | The manufacture method of a kind of distributing arm support, distributing arm support and pumping equipment |
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| CN103231213A (en) * | 2013-04-19 | 2013-08-07 | 杭州凯尔达机器人科技股份有限公司 | Manufacturing method of high-altitude operation mechanical arm support |
| CN103452321A (en) * | 2013-09-05 | 2013-12-18 | 中联重科股份有限公司 | Arm frame structure, manufacturing method of arm frame structure, arm frame, arrangement method of arm frame and pumping equipment |
| WO2015032049A1 (en) * | 2013-09-05 | 2015-03-12 | 中联重科股份有限公司 | Boom structure and method for manufacturing same, boom and method for arranging same, and pumping device |
| CN111335638A (en) * | 2020-03-10 | 2020-06-26 | 三一汽车制造有限公司 | Boom and working equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103231213A (en) * | 2013-04-19 | 2013-08-07 | 杭州凯尔达机器人科技股份有限公司 | Manufacturing method of high-altitude operation mechanical arm support |
| CN103231213B (en) * | 2013-04-19 | 2015-05-13 | 杭州凯尔达机器人科技有限公司 | Manufacturing method of high-altitude operation mechanical arm support |
| CN103452321A (en) * | 2013-09-05 | 2013-12-18 | 中联重科股份有限公司 | Arm frame structure, manufacturing method of arm frame structure, arm frame, arrangement method of arm frame and pumping equipment |
| WO2015032049A1 (en) * | 2013-09-05 | 2015-03-12 | 中联重科股份有限公司 | Boom structure and method for manufacturing same, boom and method for arranging same, and pumping device |
| CN103452321B (en) * | 2013-09-05 | 2015-11-25 | 中联重科股份有限公司 | Jib structure and manufacture method, jib and method for arranging thereof and pumping equipment |
| CN111335638A (en) * | 2020-03-10 | 2020-06-26 | 三一汽车制造有限公司 | Boom and working equipment |
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| CN102900235B (en) | 2015-08-12 |
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