CN104033109B - Rotary digging driller mast and assemble method thereof - Google Patents
Rotary digging driller mast and assemble method thereof Download PDFInfo
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- CN104033109B CN104033109B CN201410290581.7A CN201410290581A CN104033109B CN 104033109 B CN104033109 B CN 104033109B CN 201410290581 A CN201410290581 A CN 201410290581A CN 104033109 B CN104033109 B CN 104033109B
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Abstract
Rotary digging driller mast comprises the multiple mast sections connected successively along its length, and each mast section comprises hollow lever and is connected to the first coupling assembling and second coupling assembling of hollow lever opposite end.First coupling assembling of each mast section is connected to the second coupling assembling of adjacent mast section.At least one of them comprises junction plate, is connected coaming plate and strengthens gusset for first coupling assembling and the second coupling assembling.Junction plate is welded in hollow lever, connects coaming plate and is welded in junction plate and is positioned at hollow lever, and be welded in hollow lever.Reinforcement gusset is arranged in connection coaming plate and encloses the accommodation space of formation and be welded in connection coaming plate and junction plate.Rotary digging driller mast of the present invention significantly can reduce weld stress, and intensity high fastness is good, has longer application life, and can reduce the occurrence probability of security incident.The invention still further relates to a kind of assemble method of rotary digging driller mast.
Description
Technical field
The present invention relates to pile foundation construction technical field, particularly the assemble method of a kind of rotary digging driller mast and rotary digging driller mast.
Background technology
The mast of rotary drilling rig is general longer, the longlyest reaches more than 20 meter.Conveniently manufacture, generally mast is divided into multiple mast section part, segmental machining.Then interconnect between this multiple mast section part, thus form whole mast.
Fig. 1 is the structural representation of the mast section of existing rotary drilling rig.Fig. 2 is the plan structure schematic diagram along II-II line of the mast section shown in Fig. 1.As depicted in figs. 1 and 2, the mast of existing rotary drilling rig is formed by connecting along its length successively from beginning to end primarily of multiple mast section 200.Each mast section 200 comprises hollow lever 210 and is welded on first junction plate 220 and second junction plate 230 at hollow lever 210 two ends.First junction plate 220 of each mast section 200 is fixedly connected on the second junction plate 230 of adjacent mast section 200, such as, by the bolt of the installing hole 232 of the installing hole 222 and the second junction plate 230 that wear the first junction plate 220, first junction plate 220 is fixedly connected on the second junction plate 230 of adjacent mast section 200.Hollow lever 210 encloses by wallboard 212 and shrouding 214 structure forming tubular.During welding assembly, the wallboard 212 of hollow lever 210 and the direct vertical welding of shrouding 214 are in the first junction plate 220 and the second junction plate 230.
Rotary drilling rig mainly relies on mast to carry out work, so mast operationally needs the moment of flexure of resisting equipment applying, and the tonnage type of rotary drilling rig is larger, and the moment of flexure that its mast bears is also larger.For above-mentioned mast structure, due to the wallboard 212 of hollow lever 210 and the thickness of slab of shrouding 214 thinner, such as be generally only 6mm, the thickness of slab of the first junction plate 220 and the second junction plate 230 is such as generally 30mm, be limited to thinner wallboard 212 and the thickness of slab of shrouding 214, the welding seam design of wallboard 212 and shrouding 214 and the first junction plate 220 and the second junction plate 230 can not more than 8mm.Therefore, adopt the mast of the large-tonnage rotary drilling rig of above-mentioned mast structure operationally, the weld seam of wallboard 212 and the first junction plate 220 and the second junction plate 230 and shrouding 214 and the first junction plate 220 and the second junction plate 230 cannot bear larger stress and there will be the situation of weld cracking, and the problem of weld cracking cannot be solved by field maintenance, thus easily cause quality accidents.
Summary of the invention
The object of the invention is to, provide a kind of rotary digging driller mast, significantly can reduce weld stress, intensity high fastness is good, has longer application life, can reduce the occurrence probability of security incident.
Another object of the present invention is to, provide a kind of assemble method of rotary digging driller mast, significantly can reduce the weld stress of assembled rotary digging driller mast, the rotary digging driller mast intensity high fastness of assembling is good, there is longer application life, the occurrence probability of security incident can be reduced.
It is adopt following technical scheme to realize that the present invention solves its technical problem.
Rotary digging driller mast comprises the multiple mast sections connected successively along its length, and each mast section comprises hollow lever and is connected to the first coupling assembling and second coupling assembling of hollow lever opposite end.First coupling assembling of each mast section is connected to the second coupling assembling of adjacent mast section.At least one of them comprises junction plate, is connected coaming plate and strengthens gusset for first coupling assembling and the second coupling assembling.Junction plate is welded in hollow lever, connects coaming plate and is welded in junction plate and is positioned at hollow lever, and be welded in hollow lever.Reinforcement gusset is arranged in connection coaming plate and encloses the accommodation space of formation and be welded in connection coaming plate and junction plate.
In the preferred embodiment, above-mentioned connection coaming plate comprises the first side plate and is welded in the second side plate of the first side plate, and the first side plate and the second side plate enclose the connection coaming plate of the tubular with accommodation space.Junction plate has face of weld, and hollow lever is welded in the face of weld of junction plate with being connected coaming plate, and the face of weld of part exposes from accommodation space.
In the preferred embodiment, above-mentioned hollow lever comprises the first wallboard and is welded in the second wallboard of the first wallboard, and the first wallboard is against being welded in the first side plate and junction plate, and the second wallboard is against being welded in the second side plate and junction plate.
In the preferred embodiment, above-mentioned reinforcement gusset comprises at least one piece first and strengthens gusset and at least one piece second and strengthen gusset, strengthens gusset at least one piece first and strengthens gusset to be arranged in accommodation space also cross weld with at least one piece second.
In the preferred embodiment, above-mentioned hollow lever has inner surface and external surface, and be provided with multiple plug welding holes of through inner surface and external surface, connect coaming plate and expose from multiple plug welding hole, and connect coaming plate and hollow lever via multiple plug welding hole plug welding.
An assemble method for rotary digging driller mast, is suitable for assembling the multiple mast sections connected successively along its length.The assemble method of rotary digging driller mast comprises: assemble the first coupling assembling and the second coupling assembling respectively at the opposite end of the hollow lever of each mast section; And the first coupling assembling of mast section is connected to the second coupling assembling of adjacent mast section.First coupling assembling and the second coupling assembling at least one of them number of assembling steps comprise: be first welded in junction plate by being connected coaming plate; Then be placed in and connect in accommodation space that coaming plate encloses formation by strengthening gusset and reinforcements gusset be welded in connection coaming plate and junction plate; Finally make connection coaming plate be positioned at hollow lever, and hollow lever is welded in junction plate and is connected coaming plate.
In the preferred embodiment, above-mentionedly be welded in junction plate comprise connecting coaming plate: the first plate-side plate welding of coaming plate will be connected in junction plate, and will the second plate-side plate welding of coaming plate be connected in junction plate and the first side plate, the first side plate and the second side plate is made to enclose the connection coaming plate of the tubular with accommodation space, connect the face of weld that coaming plate is welded in junction plate, the face of weld of part exposes from accommodation space.
In the preferred embodiment, above-mentionedly be placed in connect in accommodation space that coaming plate encloses formation and reinforcements gusset is welded in and connect coaming plate by strengthening gusset and comprise with junction plate: at least one piece first is strengthened gusset and be welded in and be connected coaming plate and junction plate, and at least one piece second reinforcement gusset be welded in connection coaming plate and junction plate and strengthen gusset cross weld with at least one piece first.
In the preferred embodiment, above-mentionedly make connection coaming plate be positioned at hollow lever and hollow lever be welded in junction plate and be connected coaming plate and also comprise: by the first wallboard of hollow lever against being welded in the first side plate and junction plate, and by the second wallboard of hollow lever against being welded in the first side plate and junction plate and being welded in the first wallboard.
In the preferred embodiment, above-mentionedly making connection coaming plate be positioned at hollow lever and hollow lever be welded in junction plate and be connected coaming plate and also comprise: being welded in hollow lever with multiple plug welding hole plug weldings of external surface by being connected coaming plate by the inner surface of through hollow lever.
The invention has the beneficial effects as follows, the hollow lever of each mast section of rotary digging driller mast is connected to junction plate, connect coaming plate be welded in junction plate and be positioned at hollow lever, and connection coaming plate is welded in hollow lever, therefore, what connect coaming plate is arranged so that hollow lever is connected stressed place thickness with junction plate increases, and then has widened the welding seam design on junction plate, thus the stress ability to bear of weld seam is strengthened.In addition, connect among accommodation space that coaming plate encloses formation and be welded with reinforcement gusset, make the weld seam on junction plate be converted into connective weld by the weld seam that works, thus significantly reduce the stressed of weld seam.Therefore, rotary digging driller mast of the present invention significantly can reduce weld stress, and intensity high fastness is good, has longer application life, can decrease the situation of weld cracking, reduces the occurrence probability of security incident.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of manual, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mast section of existing rotary drilling rig.
Fig. 2 is the plan structure schematic diagram along II-II line of the mast section shown in Fig. 1.
Fig. 3 is the structural representation of the mast section of the rotary digging driller mast of one embodiment of the invention.
Fig. 4 is the plan structure schematic diagram of the IV-IV line along Fig. 3.
Fig. 5 is the package assembly schematic diagram of the rotary digging driller mast of one embodiment of the invention.
Fig. 6 is the welded construction schematic diagram connecting coaming plate and junction plate.
Fig. 7 strengthens the structural representation that gusset is welded in the connection coaming plate shown in Fig. 6 and junction plate.
Fig. 8 is the structural representation that hollow lever is welded in the connection coaming plate shown in Fig. 7 and junction plate.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the detailed description of the invention of assemble method of the rotary digging driller mast proposed according to the present invention and rotary digging driller mast, structure, feature and effect thereof, be described in detail as follows:
Aforementioned and other technology contents, Characteristic for the present invention, can know and present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of detailed description of the invention, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Fig. 3 is the structural representation of the mast section of the rotary digging driller mast of one embodiment of the invention.Fig. 4 is the plan structure schematic diagram of the IV-IV line along Fig. 3.Fig. 5 is the package assembly schematic diagram of the rotary digging driller mast of one embodiment of the invention.As shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, rotary digging driller mast 100 comprises multiple mast section 100a.Each mast section 100a comprises hollow lever 110 and is connected to the first coupling assembling 120 and the second coupling assembling 130 of hollow lever 110 opposite end.In the present embodiment, the first coupling assembling 120 comprises junction plate 122, connects coaming plate 124 and strengthen gusset 126.Second coupling assembling 130 only comprises junction plate 132.
In the present embodiment, the junction plate 122 of the first coupling assembling 120 is roughly square flat board.Junction plate 122 has face of weld 1222, and hollow lever 110, connection coaming plate 124 and reinforcement gusset 126 are welded in the face of weld 1222 of junction plate 122.The outer peripheral portion of junction plate 122 is provided with multiple installing hole 1226.
Connect coaming plate 124 vertical welding in the face of weld 1222 of junction plate 122.In the present embodiment, connect the second side plate 1244 that coaming plate 124 comprises the first side plate 1242 and is welded in the first side plate 1242.The shape of cross section of the first side plate 1242 is roughly c-shaped, but not as limit, first side plate 1242 can be formed by connecting by polylith flat board, according to design needs, the quantity of its flat board does not limit, and in the present embodiment, the first side plate 1242 is formed by connecting by five pieces of flat boards are one-body molded successively, in other words, the first side plate 1242 can be bent by one flat plate and form.The second side plate 1244 connecting coaming plate 124 is dull and stereotyped, and the dual-side of the first side plate 1242 is welded in the second side plate 1244, and encloses the structure of the tubular with accommodation space 101 with the second side plate 1244.Therefore, the shape of cross section of the connection coaming plate 124 of the present embodiment is hexagon, and its area is less than the area of the face of weld 1222 of junction plate 122, and connection coaming plate 124 can be welded on the face of weld 1222 of junction plate 122.Be worth mentioning, the shape of cross section connecting coaming plate 124 is not defined as hexagon, other suitable shape.
Reinforcement gusset 126 is arranged in connection coaming plate 124 and encloses the accommodation space 101 of formation and be welded on connection coaming plate 124 and junction plate 122.Strengthen gusset 126 and comprise at least one piece first reinforcement gusset 1262 and at least one piece second reinforcement gusset 1264.Strengthen gusset 1262 at least one piece first to strengthen gusset 1264 and be arranged at at least one piece second and connect coaming plate 124 and to enclose in the accommodation space 101 of formation also together with cross weld.Strengthen gusset 1262 at least one piece first not limit with the relation of welding with at least one piece second spread pattern strengthening gusset 1264, need concrete setting according to design.In the present embodiment, strengthen gusset 126 and comprise one piece of first reinforcement gusset 1262 and two piece of second reinforcement gusset 1264.Particularly, first strengthens gusset 1262 is welded between the dual-side of the first side plate 1242 connecting coaming plate 124, strengthen gusset 1264 for two piece second be parallel to each other and strengthen gusset 1262 perpendicular to first, and strengthen gusset 1262 cross weld with first, and two piece second is strengthened gusset 1264 and is welded in and connects between the first side plate 1242 of coaming plate 124 and the second side plate 1244.
The junction plate 132 of the second coupling assembling 130 is also roughly square flat board.Junction plate 132 has face of weld 1322.Hollow lever 110 is welded in the face of weld 1322 of junction plate 132.The outer peripheral portion of junction plate 132 is provided with multiple installing hole 1326.Multiple installing hole 1326 is corresponding with multiple installing holes 1226 of the junction plate 122 of first coupling assembling 120 of adjacent mast end 100a respectively, is connected to second coupling assembling 130 of adjacent mast section 100a to make first coupling assembling 120 of each mast section 100a by the bolt being arranged at installing hole 1326 and 1226.
The opposite end of the hollow lever 110 of mast section 100a is welded in the junction plate 122 of the first coupling assembling 120 and the junction plate 132 of the second coupling assembling 130 respectively.Particularly, the face of weld 1222 that one end of hollow lever 110 is welded on the junction plate 122 of the first coupling assembling 120 make the connection coaming plate 124 being welded in junction plate 122 be positioned at hollow lever 110, now, hollow lever 110 is around connection coaming plate 124 and against being welded in connection coaming plate 124.In the present embodiment, the shape of cross section of hollow lever 110 is roughly the same with the shape of cross section connecting coaming plate 124, is hexagon.Hollow lever 110 comprises the first wallboard 112 and is welded in the second wallboard 114 of the first wallboard 112.The shape of cross section of the first wallboard 112 is roughly c-shaped, first wallboard 112 can be formed by connecting by polylith flat board, according to design needs, the quantity of its flat board does not limit, in the present embodiment, first wallboard 112 is formed by connecting by five pieces of flat boards are one-body molded successively, and in other words, the first wallboard 112 can be bent by one flat plate and form.Second wallboard 114 of hollow lever 110 is dull and stereotyped, and the dual-side of the first wallboard 112 is welded in the second wallboard 114, and encloses the hollow lever 110 of tubular with the second wallboard 114.Hollow lever 110 has inner surface 115 and external surface 116, and hollow lever 110 is provided with multiple plug welding holes 118 of through inner surface 115 and external surface 116 near the one end connecting the first coupling assembling 120.Connect the inner surface 115 that coaming plate 124 is resisted against hollow lever 110, and exposed by multiple plug welding hole 118, by carrying out plug welding at plug welding hole 118, connection coaming plate 124 and hollow lever 110 are welded together.In the present embodiment, the shape of plug welding hole 118 is rectangle, but not as limit, the shape of plug welding hole 118 also can be circle, ellipse, wedge shape or other can carry out the arbitrary shape of plug welding.
Multiple mast section 100a of rotary digging driller mast 100 join end to end and connect, and in order to illustrative simplicity, Fig. 5 has only shown the mast section 110a of two adjacent connections to explain.As shown in Figure 5, the junction plate 132 of the junction plate 122 being positioned at first coupling assembling 120 of the mast section 100a of top and second coupling assembling 130 of the mast section 100a being positioned at below mutually against, and the installing hole 1226 of the mast section 100a being positioned at top is alignd mutually with the installing hole 1326 of the mast section 100a being positioned at below, by securing member such as bolt, two mast section 100a are linked into an integrated entity.It is worth mentioning that, in other embodiments, also can be that the second coupling assembling 130 comprises junction plate, connects coaming plate and strengthen gusset, and the first coupling assembling 120 only comprises junction plate; In other embodiments, also can be that the first coupling assembling 120 comprises junction plate, connects coaming plate and strengthen gusset, and the second coupling assembling 130 also comprise junction plate, connects coaming plate and strengthen gusset.Also namely the first coupling assembling 120 and the second coupling assembling 130 at least one of them comprises junction plate, is connected coaming plate and reinforcement gusset.
Below to rotary digging driller mast 100 assemble method, multiple mast section 100a will be assembled into mast to be described.Rotary digging driller mast 100 assemble method is suitable for assembling the multiple mast section 100a connected successively along its length, and assemble method comprises: assemble the first coupling assembling 120 and the second coupling assembling 130 respectively at the opposite end of the hollow lever of each mast section 100a; And first coupling assembling 120 of each mast section 100a is connected to second coupling assembling 130 of adjacent mast section 100a.Due to the first coupling assembling 120 and the second coupling assembling 130, at least one of them comprises junction plate, is connected coaming plate and strengthens gusset, is specifically described below by with the number of assembling steps of the first coupling assembling 120.
Fig. 6 is the welded construction schematic diagram connecting coaming plate and junction plate.As shown in Figure 6, first the first side plate 1242 connecting coaming plate 124 is welded in the face of weld 1222 of junction plate 122, then the second side plate 1244 connecting coaming plate 124 is welded in the face of weld 1222 of junction plate 122, and the dual-side of the first side plate 1242 and the second side plate 1244 are welded together, with the connection coaming plate 124 making the first side plate 1242 and the second side plate 1244 enclose the tubular structure with accommodation space 101 simultaneously.It is worth mentioning that, when being welded to connect coaming plate 124, be carry out welding connecting the inner side of coaming plate 124, and welding is carried out in the inner side of the tubular structure also namely enclosed at the first side plate 1242 and the second side plate 1244.
Fig. 7 strengthens the structural representation that gusset is welded in the connection coaming plate shown in Fig. 6 and junction plate.As shown in Figure 7, in the present embodiment, connect after coaming plate 124 weld, strengthen the face of weld 1222 being also simultaneously welded in junction plate 122 between dual-side that gusset 1262 is welded in the first side plate 1242 connecting coaming plate 124 by strengthen gusset 126 first.Two pieces of second reinforcement gussets 1264 be parallel to each other strengthen gusset 1262 perpendicular to first, and strengthen gusset 1262 cross weld with first, and two piece of second reinforcement gusset 1264 is welded in the face of weld 1222 being also simultaneously welded in junction plate 122 between the first side plate 1242 and the second side plate 1244 connecting coaming plate 124.
Fig. 8 is the structural representation that hollow lever is welded in the connection coaming plate shown in Fig. 7 and junction plate.As shown in Figure 8, in the present embodiment, by the first wallboard 112 of hollow lever 110 against face of weld 1222 welding being welded in the first side plate 1242 and junction plate 122, and by the second wallboard 114 of hollow lever 110 against the face of weld 1222 being welded in the second side plate 1242 and junction plate 122, and the dual-side of the first wallboard 112 is welded in the second wallboard 114, with the hollow lever 110 making the first wallboard 112 and the second wallboard 114 enclose tubular.It is worth mentioning that, welding hollow lever 110 time, be hollow lever 110 outside (deviate from connect coaming plate 124 not with the side being connected coaming plate 124 abutting contact) carry out welding.By the inner surface 115 of through hollow lever 110 and multiple plug welding holes 118 plug welding of external surface 116, this connection coaming plate 124 is welded in hollow lever 110 simultaneously.
In the assembly welding process of the first coupling assembling 120, be welded to connect the first side plate 1242 of coaming plate 124 and the second side plate 1244 successively, strengthen the first wallboard 112 and the second wallboard 114 of gusset 126 and hollow lever 110, therefore, free welding inside coaming plate 124 can connected in first coupling assembling 120 assembly welding process, and free welding connects in the outside of hollow lever 110, thus be conducive to the intensity further enhancing weld seam, strengthen the fastness of rotary digging driller mast 100.
The hollow lever 110 of rotary digging driller mast 100 of the present invention is welded on the face of weld 1224 of the junction plate 122 of the first coupling assembling 120, and hollow lever 110 be connected coaming plate 124 and weld together, hollow lever 110 is increased with the thickness of slab of the welding portion being connected coaming plate 124, and then the welding seam design widened on junction plate 122, thus the stress ability to bear of weld seam is strengthened.In addition, be welded with in the accommodation space 101 formed with junction plate 122 connecting coaming plate 124 and strengthen gusset 126.Therefore, rotary digging driller mast 100 of the present invention significantly can reduce weld stress, and intensity high fastness is good, has longer application life, can decrease the situation of weld cracking, reduces the occurrence probability of security incident.
Below retouch employing by reference to the accompanying drawings in detail and state the preferred embodiment of the present invention; but the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.Each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
Claims (10)
1. a rotary digging driller mast, it comprises the multiple mast sections connected successively along its length, respectively this mast section comprises hollow lever and is connected to the first coupling assembling and second coupling assembling of this hollow lever opposite end, respectively this first coupling assembling of this mast section is connected to this second coupling assembling of this mast section adjacent, it is characterized in that, at least one of them comprises junction plate to this first coupling assembling with this second coupling assembling, connect coaming plate and strengthen gusset, this junction plate is welded in this hollow lever, this connection coaming plate is welded in this junction plate and is positioned at this hollow lever, the surface soldered of this connection coaming plate is in the surface of this hollow lever, this reinforcement gusset is arranged in this connection coaming plate and encloses the accommodation space of formation and be welded in this connection coaming plate and this junction plate.
2. rotary digging driller mast as claimed in claim 1, it is characterized in that, this connection coaming plate comprises the first side plate and is welded in the second side plate of this first side plate, this first side plate and this second side plate enclose the tubular with this accommodation space this be connected coaming plate, this junction plate has face of weld, this hollow lever and this connection coaming plate are welded in this face of weld of this junction plate, and this face of weld of part exposes from this accommodation space.
3. rotary digging driller mast as claimed in claim 2, it is characterized in that, this hollow lever comprises the first wallboard and is welded in the second wallboard of this first wallboard, and this first wallboard is against being welded in this first side plate and this junction plate, and this second wallboard is against being welded in this second side plate and this junction plate.
4. rotary digging driller mast as claimed in claim 1, it is characterized in that, this reinforcement gusset comprises at least one piece first and strengthens gusset and at least one piece second and strengthen gusset, strengthens gusset for this at least one piece first and strengthens gusset to be arranged in this accommodation space also cross weld with this at least one piece second.
5. rotary digging driller mast as claimed in claim 1, it is characterized in that, this hollow lever has inner surface and external surface, and be provided with multiple plug welding holes of this inner surface through and this external surface, this connection coaming plate exposes from the plurality of plug welding hole, and connects this connection coaming plate and this hollow lever via the plurality of plug welding hole plug welding.
6. an assemble method for rotary digging driller mast, be suitable for assembling the multiple mast sections connected successively along its length, this assemble method comprises: assemble the first coupling assembling and the second coupling assembling respectively at the opposite end of each hollow lever of this mast section; And this first coupling assembling of each this mast section is connected to this second coupling assembling of this mast section adjacent, it is characterized in that, this first coupling assembling and this second coupling assembling at least one of them number of assembling steps comprise:
Connection coaming plate is welded in junction plate;
To be placed in strengthening gusset in accommodation space that this connection coaming plate encloses formation and this reinforcement gusset to be welded in this connection coaming plate and this junction plate; And
Make this connection coaming plate be positioned at this hollow lever and this hollow lever be welded in this junction plate and this connection coaming plate, the surface soldered of this connection coaming plate is in the surface of this hollow lever.
7. the assemble method of rotary digging driller mast as claimed in claim 6, it is characterized in that, this connection coaming plate is welded in this junction plate comprise: by the first plate-side plate welding of this connection coaming plate in this junction plate, and by the second plate-side plate welding of this connection coaming plate in this junction plate and this first side plate, this making this first side plate and this second side plate enclose the tubular with this accommodation space is connected coaming plate, this connection coaming plate is welded in the face of weld of this junction plate, and this face of weld of part exposes from this accommodation space.
8. the assemble method of rotary digging driller mast as claimed in claim 6, it is characterized in that, this reinforcement gusset to be placed in this accommodation space that this connection coaming plate encloses formation and this reinforcement gusset to be welded in this connection coaming plate and this junction plate comprises: strengthening gusset by least one piece first and be welded in this connection coaming plate and this junction plate, and at least one piece second being strengthened gusset and be welded in this connection coaming plate and this junction plate and strengthen gusset cross weld with this at least one piece first.
9. the assemble method of rotary digging driller mast as claimed in claim 7, it is characterized in that, make this connection coaming plate be positioned at this hollow lever and this hollow lever be welded in this junction plate and this connection coaming plate also to comprise: by the first wallboard of this hollow lever against being welded in this first side plate and this junction plate, and by the second wallboard of this hollow lever against being welded in this second side plate and this junction plate and being welded in this first wallboard.
10. the assemble method of rotary digging driller mast as claimed in claim 6, it is characterized in that, make this connection coaming plate be positioned at this hollow lever and this hollow lever is welded in this junction plate also to comprise with this connection coaming plate: by the inner surface of this hollow lever through and multiple plug welding hole plug weldings of external surface, this connection coaming plate is welded in this hollow lever.
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| CN110017106B (en) * | 2019-04-17 | 2020-12-01 | 中联重科股份有限公司 | Mast, rotary drilling rig, partition plate for mast and mast manufacturing method |
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| CH675742A5 (en) * | 1988-09-26 | 1990-10-31 | Fischer Ag Georg | |
| US5956915A (en) * | 1996-06-28 | 1999-09-28 | Bucyrus International, Inc. | Tubular drill mast |
| CN2775280Y (en) * | 2005-03-22 | 2006-04-26 | 徐州东明机械制造有限公司 | Mast connection mechanism for rotary digging rig |
| CN101560579A (en) * | 2009-05-21 | 2009-10-21 | 中冶宝钢技术服务有限公司 | Welded slag ladle |
| CN102268873A (en) * | 2011-03-01 | 2011-12-07 | 浙江华铁建筑安全科技股份有限公司 | Heavy steel support and processing method thereof |
| CN202000908U (en) * | 2011-03-31 | 2011-10-05 | 湖南奥盛特重工科技有限公司 | Connecting plate used on mast of rotary drilling rig |
| CN202247908U (en) * | 2011-06-30 | 2012-05-30 | 浙江华铁建筑安全科技股份有限公司 | Strengthening joint |
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| CN104033109A (en) | 2014-09-10 |
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