CN216151603U

CN216151603U - Overlap welding device for gooseneck boom

Info

Publication number: CN216151603U
Application number: CN202122262852.6U
Authority: CN
Inventors: 谭騛; 赵勇; 李守林; 胡妞; 王立华
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-01
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a lap welding device for a gooseneck boom, which comprises a base, a first positioning assembly, a second positioning assembly and a third positioning assembly, wherein the first positioning assembly is arranged on the base; the base comprises a base body and an upright post arranged on the base body; the first positioning component comprises a first mounting seat arranged on the seat body and a positioning shaft movably arranged on the first mounting seat in a penetrating manner, and the positioning shaft is used for being arranged in two roller mounting holes of the gooseneck boom in a penetrating manner; the second positioning assembly is arranged on the seat body close to the upright column and is used for positioning the lower chord of the gooseneck boom; the third positioning assembly is arranged on the upright column and used for positioning the upper chord of the gooseneck boom. By the technical scheme of the utility model, the welding precision can be obviously improved, and the purposes of improving the hoisting performance and the safety coefficient of the boom structure are achieved.

Description

Overlap welding device for gooseneck boom

Technical Field

The utility model belongs to the technical field of crane machining, and particularly relates to a lap welding device for a gooseneck boom.

Background

The crawler crane is a movable arm rotating crane which runs by using a crawler, and the quality of the overall hoisting performance and the safety factor of the crawler crane are determined by the mechanical property and the welding performance of the arm support structure of the crawler crane. The goose head arm support is used as an important component in the arm support structure, and the accuracy of the lap welding of the goose head arm support plays a decisive role in the mechanical stability of the whole arm support. However, the existing swinging and positioning mode of the gooseneck boom mainly adopts manual marking to position, and the swinging and positioning mode has low precision and seriously affects the lifting performance and the safety factor of the boom structure.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects or shortcomings of the prior art, the utility model provides a lap welding device for a gooseneck boom, and aims to solve the technical problem of low welding precision caused by the fact that the gooseneck boom adopts a manual lineation lap positioning mode.

In order to achieve the above object, the present invention provides a lap welding device for a gooseneck boom, wherein the lap welding device for the gooseneck boom comprises a base, a first positioning assembly, a second positioning assembly and a third positioning assembly; the base comprises a base body and an upright post arranged on the base body; the first positioning component comprises a first mounting seat arranged on the seat body and a positioning shaft movably arranged on the first mounting seat in a penetrating manner, and the positioning shaft is used for being arranged in two roller mounting holes of the gooseneck boom in a penetrating manner; the second positioning assembly is arranged on the seat body close to the upright column and is used for positioning the lower chord of the gooseneck boom; the third positioning assembly is arranged on the upright column and used for positioning the upper chord of the gooseneck boom.

In the embodiment of the utility model, the number of the first installation seats is two, the two first installation seats are arranged on the seat body at intervals and are respectively provided with the first shaft holes, and the positioning shaft is used for penetrating through the first shaft holes on the two first installation seats and the two roller installation holes.

In the embodiment of the utility model, the second positioning assembly comprises a second mounting seat and a first pin shaft, the second mounting seat is arranged on the seat body close to the upright column and is provided with a first pin hole, and the first pin shaft is used for sequentially penetrating through the first mounting hole and the first pin hole of the lower chord.

In the embodiment of the utility model, the number of the second installation seats and the number of the first pin shafts are two, the two second installation seats are oppositely arranged on the seat body at intervals, and the two first pin shafts and the two second installation seats are arranged in a one-to-one correspondence manner.

In the embodiment of the utility model, the third positioning assembly comprises a third mounting seat and a second pin shaft, the third mounting seat is arranged on the upright column and is provided with a second pin hole, and the second pin shaft is used for sequentially passing through the second mounting hole and the second pin hole of the upper chord to be arranged.

In the embodiment of the utility model, the number of the upright columns, the third installation seats and the second pin shafts is two, the two upright columns are oppositely arranged on the seat body at intervals, the two third installation seats are correspondingly arranged on the two upright columns one by one, and the two second pin shafts are correspondingly arranged with the two third installation seats one by one.

In an embodiment of the present invention, the lap welding device further includes a support assembly that is provided on the seat body so as to be liftable, and the support assembly is used for supporting the lower chord.

In the embodiment of the utility model, the seat body is provided with a first threaded hole, the support assembly comprises a first fastener penetrating through the first threaded hole, and the first fastener is used for supporting one side of the lower chord facing the seat body.

In an embodiment of the utility model, the lap welding device further comprises a fixing component arranged on the stand column, and the fixing component is used for pressing the lower chord member on the supporting component.

In the embodiment of the utility model, the fixing component comprises a pressing plate which is arranged on the upright post and provided with a second threaded hole and a second fastener which is arranged in the second threaded hole in a penetrating manner, and the second fastener is used for being abutted against one side of the lower chord, which is far away from the seat body, so as to press the lower chord onto the supporting component.

Through the technical scheme, the lap welding device for the gooseneck boom frame provided by the embodiment of the utility model has the following beneficial effects:

the lap welding device for the gooseneck boom comprises a base, a first positioning component, a second positioning component and a third positioning component, wherein the base comprises a base body and an upright post arranged on the base body, the first positioning component comprises a first mounting seat arranged on the base body and a positioning shaft movably arranged on the first mounting seat in a penetrating way, the second positioning component is arranged on the base body close to the upright post and used for positioning a lower chord of the gooseneck boom, the third positioning component is arranged on the upright post and used for positioning an upper chord of the gooseneck boom, namely the two roller mounting holes of the gooseneck boom can be simultaneously positioned through the positioning shaft movably arranged on the first mounting seat in the first positioning component, the second positioning component and the third positioning component can also respectively position the lower chord and the upper chord of the gooseneck boom in a one-to-one correspondence way, an operator can directly weld the lower chord and the base body with the roller mounting holes and connect the upper chord and the base body with the roller mounting holes, so that the positioning accuracy between the two roller mounting holes and the positioning accuracy between the upper chord and the lower chord can be ensured simultaneously, and compared with a swinging and overlapping positioning mode adopting manual scribing in the prior art, the welding accuracy can be obviously improved, and the purposes of improving the lifting performance and the safety factor of the boom structure are achieved. In addition, adopt above-mentioned lap welding device also obviously labour saving and time saving more, can improve machining efficiency and reduce intensity of labour.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide an understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a gooseneck boom according to an embodiment of the present invention;

fig. 2 is a schematic view of a lap welding apparatus according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic view of another perspective of a lap welding apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic view of a goose head boom mounted to a lap welding apparatus according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the gooseneck boom support mounted to another view of the lap welding apparatus according to the embodiment of the present invention.

Description of the reference numerals

1 base 11 seat body

111 Cross Beam 112 vertical Beam

113 first stiffening Beam 114 stiffening plate

12 upright 13 second reinforcing beam

2 first positioning component 21 first mounting seat

211 first axle hole 22 positioning axle

3 second positioning assembly 31 second mounting seat

311 first bolt hole 32 first pin

4 third positioning component 41 third mounting seat

411 second bolt hole 42 second pin

5 support assembly 51 first fastener

52 first nut 6 securing assembly

61 pressing plate 62 second fastening piece

63 second nut 7 goose head arm support

71 roller mounting hole 72 lower chord

721 first mounting hole 73 upper chord

731 second mounting hole

Detailed Description

The following detailed description of specific embodiments of the utility model refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the utility model and are not restrictive thereof.

The lap welding device for a gooseneck boom according to the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1, 2 and 4, in an embodiment of the present invention, there is provided a lap welding device for a gooseneck boom, wherein the lap welding device for the gooseneck boom includes:

the base 1 comprises a base body 11 and a stand column 12 arranged on the base body 11;

the first positioning component 2 comprises a first mounting seat 21 arranged on the seat body 11 and a positioning shaft 22 movably arranged on the first mounting seat 21 in a penetrating manner, and the positioning shaft 22 is arranged in two roller mounting holes 71 of the gooseneck boom support 7 in a penetrating manner;

the second positioning component 3 is arranged on the seat body 11 close to the upright post 12 and is used for positioning the lower chord 72 of the gooseneck boom support 7; and

and the third positioning component 4 is arranged on the upright post 12 and is used for positioning the upper chord 73 of the gooseneck boom support 7.

With the lap welding device in the above embodiment, the two roller mounting holes 71 of the gooseneck boom 7 can be positioned by the positioning shaft 22 movably penetrating through the first mounting seat 21 in the first positioning component 2, the lower chord 72 and the upper chord 73 of the gooseneck boom 7 can be positioned by the second positioning component 3 and the third positioning component 4 in a one-to-one correspondence manner, an operator can directly weld the lower chord 72 and the seat body formed with the roller mounting holes 71 and connect the upper chord 73 and the seat body formed with the roller mounting holes 71, the positioning accuracy between the two roller mounting holes 71 and the positioning accuracy between the upper chord 73 and the lower chord 72 can be ensured, compared with the swing-lapping positioning mode adopting manual marking in the prior art, the welding accuracy can be obviously improved, and the purposes of improving the lifting performance and the safety factor of the boom structure are achieved. In addition, adopt above-mentioned lap welding device also obviously labour saving and time saving more, can improve machining efficiency and reduce intensity of labour.

As shown in fig. 2 and 4, in the embodiment of the present invention, the number of the first installation seats 21 is two, two first installation seats 21 are disposed on the seat body 11 at intervals and respectively provided with the first shaft holes 211, and the positioning shaft 22 is configured to pass through the first shaft holes 211 on the two first installation seats 21 and the two roller installation holes 71. As shown in fig. 1 and 6, the roller mounting holes 71 of the conventional gooseneck boom support 7 are two and spaced apart from each other, therefore, in order to facilitate the positioning of the two seat bodies of the gooseneck boom support 7, which are formed with the roller mounting holes 71, the first mounting seats 21 can be arranged in two, when the two seat bodies with the roller mounting holes 71 are installed and positioned, the two seat bodies with the roller mounting holes 71 can be arranged at the inner sides of the two first installation seats 21, and the two base bodies formed with the roller mounting holes 71 are correspondingly butted against the two first mounting bases 21 one by one, then the positioning shaft 22 is sequentially arranged through one of the first shaft holes 211, the two roller mounting holes 71 and the other first shaft hole 211, so that the two seat bodies formed with the roller mounting holes 71 and the two first mounting seats 21 are connected in series by the positioning shaft 22, thereby ensuring the positioning accuracy between the two roller mounting holes. Of course, the present invention is not limited thereto, and the first mounting seat 21 may be one, or three or more, as long as the positioning shaft 22 can be simultaneously inserted into the first shaft hole 211 of the first mounting seat 21 and the two roller mounting holes 71.

In addition, in the present invention, the first mounting seat 21 may be provided with an opening groove for movably arranging the positioning shaft 22, and the first shaft hole 211 is not limited to this.

Referring to fig. 2 to 5, in the embodiment of the present invention, the second positioning assembly 3 includes a second mounting seat 31 and a first pin 32, the second mounting seat 31 is disposed on the seat body 11 near the upright 12 and is opened with a first pin hole 311, and the first pin 32 is configured to sequentially pass through the first mounting hole 721 and the first pin hole 311 of the lower chord 72. It should be particularly noted that, a first mounting hole 721 is formed at one end of the lower chord 72 away from the roller mounting hole 71, so that the second mounting seat 31 with a first pin hole 311 is disposed on the seat body 11, and the first pin 32 is inserted into the first mounting hole 721 and the first pin hole 311, thereby quickly positioning the lower chord 72.

In addition, it should be particularly noted that the lower chord 72 may further include a first hinge lug end formed with the first mounting hole 721 and a first chord body, two ends of the first chord body need to be welded with the first hinge lug end and the seat body formed with the roller mounting hole 71 in a one-to-one correspondence manner, that is, before the first chord body is lap-welded, the seat body formed with the roller mounting hole 71 may be first mounted on the positioning shaft 22, the first hinge lug end may be mounted on the second mounting seat 31 through the first pin 32, and then two ends of the first chord body are welded with the first hinge lug end and the seat body formed with the roller mounting hole 71 in a one-to-one correspondence manner.

Referring to fig. 5 and 6, in the embodiment of the present invention, the number of the second mounting seats 31 and the number of the first pin shafts 32 are two, two second mounting seats 31 are oppositely and alternately arranged on the seat body 11, and two first pin shafts 32 and two second mounting seats 31 are arranged in a one-to-one correspondence. The number of the lower chords 72 of the gooseneck boom support 7 is two, that is, two second mounting seats 31 may be provided on the seat body 11, and the two first pin shafts 32 are respectively inserted into the first mounting holes 721 of the corresponding lower chords 72 and the first plug holes 311 of the second mounting seats 31, so as to respectively position the two lower chords 72 on the two second mounting seats 31.

As shown in fig. 2 and 4, in the embodiment of the present invention, the third positioning assembly 4 includes a third mounting seat 41 and a second pin 42, the third mounting seat 41 is disposed on the upright 12 and is opened with a second pin hole 411, and the second pin 42 is configured to sequentially pass through the second mounting hole 731 and the second pin hole 411 of the upper chord 73. It should be particularly noted that a second mounting hole 731 is formed at an end of the upper chord 73 away from the roller mounting hole 71, so that the upper chord 73 can be quickly positioned by providing the third mounting seat 41 with the second pin hole 411 on the upright post 12 and by inserting the second pin 42 into the second mounting hole 731 and the second pin hole 411.

In addition, it should be particularly noted that the upper chord 73 may further include a second hinge lug end formed with the second mounting hole 731 and a second chord body, two ends of the second chord body need to be welded with the second hinge lug end and the seat body formed with the roller mounting hole 71 in a one-to-one correspondence manner, that is, before the second chord body is lap-welded, the seat body formed with the roller mounting hole 71 may be first installed on the positioning shaft 22, the second hinge lug end is installed on the third mounting seat 41 through the second pin 42, and then two ends of the second chord body are welded with the second hinge lug end and the seat body formed with the roller mounting hole 71 in a one-to-one correspondence manner.

Referring to fig. 5 and 6, in the embodiment of the present invention, the number of the upright columns 12, the third installation seats 41 and the second pin shafts 42 is two, two upright columns 12 are oppositely arranged on the seat body 11 at intervals, two third installation seats 41 are correspondingly arranged on two upright columns 12, and two second pin shafts 42 are correspondingly arranged with two third installation seats 41. The number of the upper chords 73 of the gooseneck boom support 7 is two, and in order to position the two upper chords 73, two columns 12 may be disposed on the seat body 11, and the two columns 12 are respectively provided with the third mounting seats 41 of the second latch holes 411, and the two second pins 42 are respectively inserted into the second mounting holes 731 and the second latch holes 411 of the corresponding lower chords 72, so as to position the two upper chords 73 on the two third mounting seats 41.

Referring to fig. 2 and 5, in the embodiment of the present invention, the lap welding apparatus further includes a support member 5 liftably provided on the seat body 11, the support member 5 being for supporting the lower chord 72. Specifically, the first chord body of the lower chord 72 may be supported, so that the positioning accuracy of the lower chord 72 may be further ensured. Meanwhile, the supporting component 5 is arranged on the seat body in a lifting way, so that the height of the supporting component 5 can be adjusted to be convenient for positioning and supporting the lower chord 72.

As shown in fig. 3, in the embodiment of the present invention, the seat body 11 is provided with a first threaded hole, the support assembly 5 includes a first fastening member 51 inserted into the first threaded hole, and the first fastening member 51 is used for supporting one side of the lower chord 72 facing the seat body. That is, the first fastening member 51 can achieve the liftable effect by being matched with the first threaded hole.

Specifically, the first fastening member 51 may be a bolt or a stud, the support assembly 5 further includes a first nut 52 disposed on the first fastening member 51, and the first nut 52 is used for abutting against the seat body 11, that is, after the height of the first fastening member 51 is adjusted to a certain position, the first fastening member 51 may be locked on the seat body 11 by the first nut 52. In addition, the number of the support assemblies 5 may be two or more, and the two or more support assemblies 5 are sequentially arranged at intervals along the length direction of the lower chord 72 so as to be capable of supporting and positioning the lower chord 72 at least two positions.

Referring to fig. 2 and 5, in an embodiment of the present invention, the lap welding apparatus further includes a fixing member 6 provided on the pillar 12, the fixing member 6 being for pressing the lower chord 72 against the support member 5. When welding lower chord 72, because be heated unevenly, the condition of stick up the limit can appear, through setting up fixed subassembly 6, can compress tightly lower chord 72 of gooseneck boom 7 on supporting component 5, prevent that lower chord 72 from being heated and warping.

As shown in fig. 3, in the embodiment of the present invention, the fixing assembly 6 includes a pressing plate 61 disposed on the upright 12 and having a second threaded hole 62, and a second fastening member 62 disposed through the second threaded hole 62, where the second fastening member 62 is used for abutting against a side of the lower chord 72 departing from the seat body 11, so as to press the lower chord 72 onto the supporting assembly 5. Specifically, the second fastening member 62 and the first fastening member 51 are provided on both sides of the lower chord 72, so that the horizontal positioning accuracy of the lower chord 72 can be further ensured. In addition, the second fastening member 62 may be a bolt or a stud, and the number of the second fastening members 62 is not limited to one.

Specifically, the fixing assembly 6 further includes a second nut 63 disposed through the second fastening member 62, and the second nut 63 is used for abutting against the pressure plate 61, that is, after the height of the second fastening member 62 is adjusted to a certain position, the second fastening member 62 can be locked on the pressure plate 61 by the second nut 63.

As shown in fig. 4 and 6, in the embodiment of the present invention, the seat body 11 may be a frame structure, and specifically includes two cross beams 111 extending laterally and arranged in parallel, a plurality of vertical beams 112 connecting the two cross beams 111 and arranged in parallel, and a first reinforcing beam 113 arranged between two adjacent vertical beams, two first mounting seats 21 may be arranged on one of the vertical beams 112, one of the vertical columns 12 and one of the second mounting seats 31 may be arranged on one of the cross beams 111, the other vertical column 12 and the other second mounting seat 31 may be arranged on the other cross beam 111, and a reinforcing plate 114 may be arranged at a connection position of the corresponding cross beam 111 and vertical beam 112 at a position where the first mounting seat 21 and vertical column 12 are correspondingly arranged.

Referring to fig. 2 again, in the embodiment of the present invention, the base 1 further includes a second reinforcement beam 13 connecting the base body 1 and the pillar 12 and disposed obliquely to reinforce the pillar 12.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A lap welding device for a gooseneck boom, characterized in that the lap welding device comprises:

the base (1) comprises a base body (11) and an upright post (12) arranged on the base body (11);

the first positioning assembly (2) comprises a first mounting seat (21) arranged on the seat body (11) and a positioning shaft (22) movably arranged on the first mounting seat (21) in a penetrating manner, and the positioning shaft (22) is used for being arranged in two roller mounting holes (71) of the gooseneck boom support (7) in a penetrating manner;

the second positioning assembly (3) is arranged on the seat body (11) close to the upright column (12) and is used for positioning a lower chord (72) of the gooseneck boom (7); and

and the third positioning assembly (4) is arranged on the upright post (12) and is used for positioning an upper chord (73) of the gooseneck boom support (7).

2. The lap welding device for the gooseneck boom according to claim 1, wherein the number of the first mounting seats (21) is two, the two first mounting seats (21) are arranged on the seat body (11) at intervals and are respectively provided with a first shaft hole (211), and the positioning shaft (22) is used for passing through the first shaft holes (211) on the two first mounting seats (21) and the two roller mounting holes (71).

3. The lap welding device for the gooseneck boom according to claim 1, wherein the second positioning assembly (3) comprises a second mounting seat (31) and a first pin shaft (32), the second mounting seat (31) is arranged on the seat body (11) close to the upright (12) and is provided with a first pin hole (311), and the first pin shaft (32) is used for sequentially passing through the first mounting hole (721) and the first pin hole (311) of the lower chord (72) to be arranged.

4. The lap welding device for the gooseneck boom according to claim 3, wherein the number of the second mounting seats (31) and the number of the first pin shafts (32) are two, the two second mounting seats (31) are oppositely arranged on the seat body (11) at intervals, and the two first pin shafts (32) and the two second mounting seats (31) are arranged in a one-to-one correspondence manner.

5. The lap welding device for the gooseneck boom according to claim 1, wherein the third positioning assembly (4) comprises a third mounting seat (41) and a second pin shaft (42), the third mounting seat (41) is arranged on the upright post (12) and is provided with a second pin hole (411), and the second pin shaft (42) is used for sequentially passing through the second mounting hole (731) of the upper chord (73) and the second pin hole (411).

6. The lap welding device for the gooseneck boom according to claim 5, wherein the number of the upright columns (12), the number of the third mounting seats (41) and the number of the second pin shafts (42) are two, the two upright columns (12) are oppositely arranged on the seat body (11) at intervals, the two third mounting seats (41) are correspondingly arranged on the two upright columns (12), and the two second pin shafts (42) are correspondingly arranged with the two third mounting seats (41).

7. The lap welding device for a gooseneck boom according to any one of claims 1 to 6, characterized in that the lap welding device further comprises a support assembly (5) liftably arranged on the seat body (11), the support assembly (5) being used for supporting the lower chord (72).

8. The lap welding device for the gooseneck boom according to claim 7, characterized in that a first threaded hole is formed in the seat body (11), the support assembly (5) comprises a first fastening member (51) penetrating through the first threaded hole, and the first fastening member (51) is used for supporting one side of the lower chord (72) facing the seat body (11).

9. A lap welding device for a gooseneck boom according to claim 7, characterized in that it further comprises a fixing assembly (6) arranged on the upright (12), the fixing assembly (6) being adapted to press the lower chord (72) against the support assembly (5).

10. The lap welding device for the gooseneck boom according to claim 9, characterized in that the fixing component (6) comprises a pressing plate (61) which is arranged on the upright (12) and provided with a second threaded hole, and a second fastening member (62) which is arranged in the second threaded hole in a penetrating manner, wherein the second fastening member (62) is used for being abutted against one side of the lower chord (72) departing from the seat body (11) so as to press the lower chord (72) on the supporting component (5).