CN220575721U - Tool for swinging and lapping arm tip joints of crane arm - Google Patents
Tool for swinging and lapping arm tip joints of crane arm Download PDFInfo
- Publication number
- CN220575721U CN220575721U CN202322278245.8U CN202322278245U CN220575721U CN 220575721 U CN220575721 U CN 220575721U CN 202322278245 U CN202322278245 U CN 202322278245U CN 220575721 U CN220575721 U CN 220575721U
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- lower chord
- positioning
- chord
- boom tip
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- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of boom tip machining, and discloses a boom tip swinging and lapping tool, which comprises the following components: the tooling underframe comprises an upper frame body and a lower frame body connected with the upper frame body; the upper chord positioning module is arranged on the upper frame body and is used for positioning an upper chord component of the boom tip; and the lower chord positioning module is arranged on the lower frame body and is used for positioning a lower chord component of the arm tip of the crane arm. The lower chord positioning module comprises a lower chord positioning block and a lower chord joint positioning seat, the upper chord positioning module comprises an upper chord lug plate positioning seat, and the opening degree between two lower chords of the boom tip can be adjusted through a cushion block by the lower chord longitudinal positioning plate and the lower chord joint longitudinal positioning plate. The lifting arm tip swing lapping tool can reduce machining cost and save production cost.
Description
Technical Field
The utility model relates to the technical field of boom tip machining, in particular to a boom tip swing and lap tooling.
Background
The existing processing technology of the crane jib knuckle part is a traditional mode, namely all parts are pre-cut with holes during blanking, then the parts are lapped in a swinging way after being scribed on a part platform, and the whole crane jib is added with pin shaft connecting holes after welding. The existing processing technology has long manufacturing period, the accuracy and the working efficiency of platform scribing cannot be guaranteed, and the whole machining hole after welding needs to be performed outside a commission, so that the whole manufacturing period is restricted, and the cost of the whole machining is higher.
Disclosure of Invention
In order to overcome at least one of the defects or shortcomings in the prior art, the utility model provides a boom tip swing and overlap tool, which can reduce machining cost and save production cost.
In order to achieve the above object, the present utility model provides a boom tip swing and overlap tool, including:
the tooling underframe comprises an upper frame body and a lower frame body connected with the upper frame body;
the upper chord positioning module is arranged on the upper frame body and is used for positioning an upper chord component of the boom tip; and
and the lower chord positioning module is arranged on the lower frame body and is used for positioning a lower chord component of the arm tip of the crane arm.
Further, the lower chord member may include a lower chord member and a lower chord joint provided at an axial end of the lower chord member, and the lower chord positioning module may include:
the lower chord positioning blocks are arranged at intervals in the transverse direction, each lower chord positioning block comprises a lower chord longitudinal positioning plate extending in the longitudinal direction and a lower chord transverse positioning plate extending in the transverse direction, the lower chord transverse positioning plates are used for being abutted against the rod end face of the other end of the lower chord in the axial direction, and the lower chord longitudinal positioning plates are used for being abutted against the outer peripheral wall of the lower chord.
Still further, the lower chord location module may further include:
two pin shafts; and
the lower chord connector positioning seats are arranged at intervals in the transverse direction, each lower chord connector positioning seat comprises two lower chord connector longitudinal positioning plates which extend in the longitudinal direction and are arranged at intervals in the transverse direction, and each lower chord connector longitudinal positioning plate is provided with a pin shaft hole matched with the pin shaft and used for positioning the outer side peripheral wall of the lower chord connector and the outer side peripheral wall of the lower chord member.
In some embodiments, the boom tip swing tooling may further include:
the cushion blocks with different thicknesses can be arranged between the lower chord longitudinal positioning plate and the outer side peripheral wall of the lower chord and between the lower chord joint longitudinal positioning plate and the outer side peripheral wall of the lower chord.
In addition, the upper chord locating module can comprise an upper chord lug locating seat and a pin shaft, wherein the upper chord lug locating seat is used for locating an upper chord lug of the boom tip and is provided with a pin shaft hole matched with the pin shaft.
In addition, the boom tip swing lapping tool can further comprise:
a pin shaft; and
the pulley lug plate positioning block is used for positioning the pulley lug plate of the arm tip of the crane arm and is provided with a pin shaft hole matched with the pin shaft.
Optionally, the boom tip may include a first pulley ear plate and a second pulley ear plate, and the pulley ear plate positioning block includes a first pulley ear plate positioning block and a second pulley ear plate positioning block corresponding to the first pulley ear plate and the second pulley ear plate, respectively.
In some embodiments, the pin shaft may be provided with a plurality of pins with different diameters and capable of being correspondingly positioned in an adapting manner with the boom tip of different types, and the boom tip swing tooling further comprises:
the pin shafts can be matched with the pin shaft holes through the corresponding core shaft sleeves.
Alternatively, the pin hole may be circular;
and/or, tolerance fit between the pin and the pin bore may employ H8/f7.
In some embodiments, the upper frame body may include a triangular pyramid frame and a plurality of reinforcing cross bars connected to the triangular pyramid frame, and the upper chord location module is disposed at a top of the triangular pyramid frame;
and/or the lower frame body is a rectangular frame body, and the lower chord positioning module is arranged on the lower frame body through a plurality of bottom frame plates.
Compared with the prior art, the utility model provides the boom tip swing and lapping tool capable of performing three-dimensional positioning swing and lapping on the parts of the boom tip, and the boom tip swing and lapping tool is used for positioning and lapping the upper chord part and the lower chord part of the boom tip by arranging the upper frame body and the lower frame body, so that the manufacturing process of the boom tip is improved, namely, the original post-welding integral machining process is improved to pre-welding machining, the integral machining cost is greatly reduced, and the production cost is effectively saved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 illustrates a side view of a prior art boom tip section;
FIG. 2 is a front view of the boom tip section of FIG. 1;
FIG. 3 is a partial bottom view of the boom arm tip section of FIG. 1;
FIG. 4 shows a schematic diagram of a boom tip swing tooling according to one embodiment of the present utility model;
fig. 5 shows a schematic diagram of a swing structure of the boom tip in fig. 1 in the boom tip swing tool in fig. 4; and
FIG. 6 is a schematic view of another view of the swing structure of FIG. 5;
FIG. 7 is a schematic view of a core sleeve in the boom tip swing tooling of FIG. 4; and
fig. 8 is a cross-sectional view of the core sleeve of fig. 7.
Reference numerals illustrate:
100. 11 frock chassis of frock are taken in arm knuckle pendulum of lifting arm
111. Lower frame of upper frame 112
121. Lower chord longitudinal positioning plate 122 lower chord transverse positioning plate
13. Upper chord lug plate positioning seat of lower chord joint longitudinal positioning plate 14
15. First pulley ear plate positioning block 16 and second pulley ear plate positioning block
17. Core sleeve 200 boom arm tip
21. Lower chord joint of lower chord 22
23. First pulley lug of upper chord lug 24
25. Second pulley lug plate
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the embodiments of the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" or "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions.
The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.
Before describing the embodiments of the present utility model in detail, the boom tip section 200 of the present utility model will be explained in detail. In the jib, the jib boom tip 200 has several functions, for example, the jib boom tip 200 can mechanically limit the load trolley of the crane; the luffing cable can also be diverted through a pulley on the boom knuckle 200 to connect with the other end of the load trolley; and installing and fixing a lifting steel wire rope.
As shown in fig. 1 to 3, the boom tip section 200 includes a plurality of components such as a lower chord 21, a lower chord joint 22, an upper chord lug 23, a first pulley lug 24, a second pulley lug 25, a tie rod, and a diagonal web member. The conventional jib boom tip section 200 is generally a welded integral structure, and the height of the jib tip section 200 is fixed.
The utility model provides a boom tip swing tooling, which comprises a tooling underframe 11, an upper chord positioning module and a lower chord positioning module, wherein the tooling underframe 11 comprises an upper frame body 111 and a lower frame body 112 connected with the upper frame body 111, the upper chord positioning module is arranged on the upper frame body 111 and used for positioning an upper chord component of a boom tip 20, and the lower chord positioning module is arranged on the lower frame body 112 and used for positioning a lower chord component of the boom tip 200.
According to the boom tip swing tooling 100, the upper frame body 111 and the lower frame body 112 are arranged to position and swing the upper chord part and the lower chord part of the boom tip 200, so that the parts of the boom tip 200 can be positioned and swing three-dimensionally, the manufacturing process of the boom tip 200 can be improved, namely, the original post-welding integral machining process is improved to pre-welding machining, the integral machining cost is greatly reduced, and the production cost is effectively saved.
It should be noted that, the structures of the upper chord positioning module and the lower chord positioning module may be various, for example, the upper chord positioning module may only position the upper chord ear plate 23, may only position the diagonal web member, and may also simultaneously position the upper chord ear plate 23 and the diagonal web member. The lower chord locating module may locate one or more of the lower chord 21, the lower chord joint 22, the first pulley ear 24, and the second pulley ear 25, and thus may have a variety of configurations. The upper chord positioning module and the lower chord positioning module can comprise a positioning ear plate structure, a clamping groove structure and the like, so long as the positioning function can be realized, and the utility model is not limited to the positioning ear plate structure.
Further, the lower chord part may include a lower chord 21 and a lower chord joint 22 disposed at one axial end of the lower chord 21, and the lower chord locating module may include two lower chord locating blocks disposed at intervals in a lateral direction, each lower chord locating block including a lower chord longitudinal locating plate 121 extending in a longitudinal direction and a lower chord transverse locating plate 122 extending in a lateral direction, the lower chord transverse locating plate 122 being adapted to abut against a rod end face at the other axial end of the lower chord 21, the lower chord longitudinal locating plate 121 being adapted to abut against an outer peripheral wall of the lower chord 21.
Specifically, as shown in fig. 4 and 6, one end of the lower chord member transverse positioning plate 122 is connected to the inner side plate surface of the lower chord member longitudinal positioning plate 121, and the outer side surface of the lower chord member longitudinal positioning plate 121 is provided with a fixing rib plate. The lower chord longitudinal positioning plates 121 of the two lower chord positioning blocks are arranged at intervals along the transverse direction, the outer side peripheral walls of the two lower chords 21 are respectively correspondingly abutted on the inner side surfaces of the two lower chord longitudinal positioning plates 121, and the end surfaces of the axial ends of the two lower chords 21, which are far away from the lower chord joints 22, are respectively correspondingly abutted on the inner side surfaces of the two lower chord transverse positioning plates 122, so that the axial ends of the lower chords 21 can be longitudinally positioned and transversely positioned.
Still further, the lower chord locating module may further include two pins and two lower chord joint locating seats arranged at intervals along the transverse direction, each lower chord joint locating seat includes two lower chord joint longitudinal locating plates 13 extending along the longitudinal direction and arranged at intervals along the transverse direction, and the lower chord joint longitudinal locating plates 13 are provided with pin holes matched with the pins and used for locating the lower chord joints 22 and the outer peripheral walls of the lower chord members 21.
Specifically, as shown in fig. 4 and 6, the lower chord joint 22 may be placed between the two lower chord joint longitudinal positioning plates 13 and positioned by the pin shafts, and the outer peripheral wall of the lower chord 21 abuts on the inner side surface of the lower chord joint longitudinal positioning plate 13, so that the other end in the axial direction of the lower chord 21 can be positioned longitudinally and laterally.
Because the spacing between the two bottom chords 21 of the boom tip 200 of different types is different, that is, the shift size is different, in order to enable the boom tip swing tooling 100 to be capable of using multiple types of boom tip 200, in some embodiments, the boom tip swing tooling 100 may further include a plurality of spacers (not shown) with different thicknesses, which can be disposed between the bottom chord longitudinal positioning plate 121 and the outer peripheral wall of the bottom chord 21, and between the bottom chord joint longitudinal positioning plate 13 and the outer peripheral wall of the bottom chord 21.
Specifically, as shown in fig. 4 and 6, the inner sides of the lower chord longitudinal locating plate 121 and the lower chord joint longitudinal locating plate 13 are on the same plane. The lateral distance between the two lower chord joint longitudinal locating plates 13 of the lower chord joint locating seat can be set to be the distance matched with the maximum opening size of the lower chord, so when the boom arm tip 200 with the smaller opening size of the lower chord is needed to be swung and positioned, cushion blocks can be arranged on the inner side surfaces of the lower chord joint longitudinal locating plates 121 and the lower chord joint longitudinal locating plates 13 in a cushioning mode, and the lower chord 21 can be transversely located.
Alternatively, the upper chord member includes an upper chord lug 23, and the upper chord positioning module may include an upper chord lug positioning seat 14 and a pin shaft, where the upper chord lug positioning seat 14 is used to position the upper chord lug 23 and is provided with a pin shaft hole matched with the pin shaft.
Specifically, as shown in fig. 4 and 5, the upper chord otic placode positioning seat 14 includes two upper chord otic placode positioning plates arranged at intervals in the lateral direction, and pin shaft holes matched with the pin shafts are formed in the upper chord otic placode positioning plates, so that the upper chord otic placode 23 can be placed between the two upper chord otic placode positioning plates and positioned through the pin shafts.
Further, the boom arm tip swing lapping tool 100 may further include a pin shaft and a pulley ear plate positioning block, where the pulley ear plate positioning block is used to position the pulley ear plate of the boom arm tip 200 and is provided with a pin shaft hole matched with the pin shaft.
Similarly, as shown in fig. 4, 5 and 6, the pulley ear plate positioning block is provided with two pulley ear plate positioning plates arranged at intervals in the transverse direction, the pulley ear plate positioning plate is provided with a pin shaft hole matched with the pin shaft, and the pulley ear plate of the boom arm tip 200 can be placed between the two pulley ear plate positioning plates and positioned through the pin shaft.
Still further, as shown in fig. 4, 5 and 6, the boom tip section 200 may include a first and a second pulley ear plate 24, 25, and the pulley ear plate positioning block includes a first and a second pulley ear plate positioning block 15, 16 corresponding to the first and the second pulley ear plate 24, 25, respectively.
Because the sizes of the pin holes of the boom arm tip 200 of different types are different, in order to enable the boom arm tip swing and lapping tool 100 to be universal to the boom arm tip 200 of various types, in some embodiments, the pin can be provided with a plurality of pins of different diameters, the pins of different diameters can be correspondingly positioned in a matching manner with the boom arm tip 200 of different types, meanwhile, the boom arm tip swing and lapping tool 100 can further comprise a plurality of mandrel sleeves 17 with different inner diameters, and the pin can be matched with the pin holes through the mandrel sleeves 17 with corresponding specifications. As shown in fig. 7 and 8, the mandrel sleeve 17 is annular, and when positioning and swinging the boom tip 200 of different types, the switching can be realized only by replacing the mandrel sleeve 17, so that the boom tip swinging tool 100 can be used for positioning and swinging the boom tips 200 of different types.
Alternatively, the pin bore may be circular. The tolerance fit between the pin shaft and the pin shaft hole adopts H8/f7, and the tolerance level is improved, so that the positioning accuracy of the boom tip swing lapping tool 100 is higher, and the positioning is more accurate. The boom tip 200 swung and overlapped by the boom tip swing and overlap fixture 100 is accurate in position, and the fixture verification proves that the arm combination detection is not needed.
Further, as shown in fig. 4, the upper frame 111 may include a triangular pyramid frame and a plurality of reinforcing cross bars connected to the triangular pyramid frame, and the winding positioning module is disposed at the top of the triangular pyramid frame. The lower frame 112 is a rectangular frame, and the lower chord positioning module is arranged on the lower frame 112 through a plurality of chassis plates.
The upper frame 111 and the lower frame 112 may be configured in other configurations besides those described above, for example, the upper frame 111 may be a rectangular pyramid frame, or an inclined reinforcing rod may be provided, and the lower frame 112 may be a flat chassis or the like.
In summary, the boom tip swing and lap tooling disclosed by the utility model can carry out three-dimensional positioning swing and lap on the components of the boom tip, and the boom tip swing and lap tooling is used for carrying out positioning and lap on the upper chord component and the lower chord component of the boom tip by arranging the upper frame body and the lower frame body, so that the manufacturing process of the boom tip can be improved, namely, the original post-welding integral machining process is improved to pre-welding machining, the integral machining cost is greatly reduced, and the production cost is effectively saved.
The foregoing details of the optional implementation of the embodiment of the present utility model have been described in detail with reference to the accompanying drawings, but the embodiment of the present utility model is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present utility model within the scope of the technical concept of the embodiment of the present utility model, and these simple modifications all fall within the protection scope of the embodiment of the present utility model.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
In addition, any combination of various embodiments of the present utility model may be performed, so long as the concept of the embodiments of the present utility model is not violated, and the disclosure of the embodiments of the present utility model should also be considered.
Claims (10)
1. The utility model provides a frock is taken in boom tip pendulum, its characterized in that, frock (100) are taken in boom tip pendulum includes:
the tooling underframe (11) comprises an upper frame body (111) and a lower frame body (112) connected with the upper frame body (111);
the upper chord positioning module is arranged on the upper frame body (111) and is used for positioning an upper chord component of the boom tip section (200); and
and the lower chord positioning module is arranged on the lower frame body (112) and is used for positioning a lower chord component of the boom tip section (200).
2. The boom tip swing lapping tool according to claim 1, wherein the lower chord member comprises a lower chord member (21) and a lower chord joint (22) provided at an axial end of the lower chord member (21), the lower chord positioning module comprises:
the two lower chord locating blocks are arranged at intervals along the transverse direction, each lower chord locating block comprises a lower chord longitudinal locating plate (121) extending along the longitudinal direction and a lower chord transverse locating plate (122) extending along the transverse direction, the lower chord transverse locating plates (122) are used for being abutted against the end face of the other end of the lower chord (21) in the axial direction, and the lower chord longitudinal locating plates (121) are used for being abutted against the outer peripheral wall of the lower chord (21).
3. The boom tip swing tooling of claim 2, wherein the lower chord positioning module further comprises:
two pin shafts; and
the lower chord connector positioning seats are arranged at intervals in the transverse direction, each lower chord connector positioning seat comprises two lower chord connector longitudinal positioning plates (13) which extend in the longitudinal direction and are arranged at intervals in the transverse direction, and the lower chord connector longitudinal positioning plates (13) are provided with pin shaft holes matched with the pin shafts and are used for positioning the outer side peripheral walls of the lower chord connectors (22) and the lower chord members (21).
4. The boom tip swing lapping tool according to claim 3, wherein the boom tip swing lapping tool (100) further comprises:
the cushion blocks with different thicknesses can be arranged between the lower chord longitudinal locating plate (121) and the outer peripheral wall of the lower chord (21) in a cushioning mode, and between the lower chord joint longitudinal locating plate (13) and the outer peripheral wall of the lower chord (21) in a cushioning mode.
5. The boom tip swing lapping tool according to claim 1, wherein the upper chord member comprises an upper chord lug plate (23), the upper chord positioning module comprises an upper chord lug plate positioning seat (14) and a pin shaft, and the upper chord lug plate positioning seat (14) is used for positioning the upper chord lug plate (23) and is provided with a pin shaft hole matched with the pin shaft.
6. The boom tip swing lapping tool according to claim 1, wherein the boom tip swing lapping tool (100) further comprises:
a pin shaft; and
the pulley lug plate positioning block is used for positioning the pulley lug plate of the arm tip of the crane arm and is provided with a pin shaft hole matched with the pin shaft.
7. The boom tip swing tooling according to claim 6, wherein the boom tip (200) comprises a first and a second pulley ear plate (24, 25), and the pulley ear plate positioning block comprises a first and a second pulley ear plate positioning block (15, 16) corresponding to the first and the second pulley ear plate (24, 25), respectively.
8. The boom tip swing tooling according to any one of claims 3 to 7, wherein the pin is provided with a plurality of boom tip joints (200) of different diameters and capable of being positioned correspondingly to different models, the boom tip swing tooling (100) further comprising:
the pin shaft can be matched with the pin shaft hole through the corresponding core shaft sleeve (17).
9. The boom tip swing tooling of claim 8, wherein the pin shaft hole is circular;
and/or the tolerance fit between the pin shaft and the pin shaft hole adopts H8/f7.
10. The boom tip swing tooling according to claim 1, wherein the upper frame body (111) comprises a triangular pyramid frame and a plurality of reinforcing cross bars connected to the triangular pyramid frame, and the upper chord positioning module is arranged on the top of the triangular pyramid frame;
and/or the lower frame body (112) is a rectangular frame body, and the lower chord positioning module is arranged on the lower frame body through a plurality of bottom frame plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322278245.8U CN220575721U (en) | 2023-08-23 | 2023-08-23 | Tool for swinging and lapping arm tip joints of crane arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322278245.8U CN220575721U (en) | 2023-08-23 | 2023-08-23 | Tool for swinging and lapping arm tip joints of crane arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220575721U true CN220575721U (en) | 2024-03-12 |
Family
ID=90119021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322278245.8U Active CN220575721U (en) | 2023-08-23 | 2023-08-23 | Tool for swinging and lapping arm tip joints of crane arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220575721U (en) |
-
2023
- 2023-08-23 CN CN202322278245.8U patent/CN220575721U/en active Active
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