CN214921821U - Tower crane hoisting boom welding tool - Google Patents
Tower crane hoisting boom welding tool Download PDFInfo
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- CN214921821U CN214921821U CN202120746105.7U CN202120746105U CN214921821U CN 214921821 U CN214921821 U CN 214921821U CN 202120746105 U CN202120746105 U CN 202120746105U CN 214921821 U CN214921821 U CN 214921821U
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- fixedly connected
- chord
- positioning seat
- upper chord
- platform frame
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Abstract
The utility model belongs to the technical field of the welding technique and specifically relates to a tower crane jib welding frock is related to. It includes the platform frame, the top fixedly connected with limit structure of platform frame, and limit structure includes a plurality of chord member positioning seats, and chord member positioning seat and platform frame fixed connection, fixedly connected with lower chord member supporting beam on the position that leans on down in the middle of the chord member positioning seat, and the bolt hole that runs through the chord member positioning seat is seted up on the top of chord member positioning seat, and bolt hole sliding connection has the bolt. The utility model relates to a limit structure through setting up can fix the position of upper and lower chord member through the welding web member, and the error when reducing the welding also increases welded efficiency simultaneously, and the position that realizes upper and lower chord member is adjustable through the cooperation between the first spring that sets up, lower chord position board, telescopic link, second spring, sliding block and the upper chord position board, satisfies the welding requirement of the jib loading boom of not unidimensional requirement.
Description
Technical Field
The utility model belongs to the technical field of the welding technique and specifically relates to a tower crane jib welding frock is related to.
Background
According to the requirement of a product, the length of the arm support is more than 10 meters, the heights of all sections of lug plates are different, the traditional welding process adopts manual measurement, a crane is used for hoisting all the chord members and the web members for spot welding, the time for hoisting the crane is long, the efficiency is low, the deformation is large, the straightness of the upper chord member and the lower chord member is out of tolerance, and the dimension between 2 chord members is out of tolerance, so that the normal use function of the tower crane is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tower crane hoisting jib welding frock to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the utility model provides a tower crane hoisting boom welding tool, which comprises a platform frame, wherein the top end of the platform frame is fixedly connected with a limiting structure, the limiting structure comprises a plurality of upper chord positioning seats, the upper chord positioning seats are fixedly connected with the platform frame, a lower chord supporting beam is fixedly connected at the position below the middle of the upper chord positioning seats, the top end of the upper chord positioning seats is provided with a bolt hole penetrating through the upper chord positioning seats, the bolt hole is slidably connected with a bolt, the other end of the bolt is slidably connected with an upper chord positioning seat swing rod, the bolt penetrates through the upper chord positioning seat swing rod, the limiting structure comprises a plurality of lower chord positioning seats, the lower chord positioning seats are fixedly connected with the platform frame, each lower chord positioning seat comprises a supporting column, and a telescopic rod penetrating through the supporting column is slidably connected at the position above the middle of the supporting column, one end of the telescopic rod is fixedly connected with a lower chord position plate.
As a further improvement of the technical scheme, one side fixedly connected with bearing structure of platform frame, bearing structure includes the support frame, one side fixedly connected with reference column of support frame, the top fixedly connected with cat ladder of reference column, the top fixedly connected with handrail of cat ladder.
As a further improvement of this technical scheme, one side fixedly connected with top chord front ear plate positioning seat of platform frame, just top chord front ear plate positioning seat and reference column fixed connection, the ear plate round pin that runs through top chord front ear plate positioning seat is seted up to the one end of the opposite side fixedly connected with top chord rear ear plate positioning seat of platform frame.
As a further improvement of the technical scheme, one side of the lower chord position plate is fixedly connected with a first spring, one side of the first spring is fixedly connected with the supporting column, the first spring is sleeved on the outer side of the telescopic rod, and the other end of the telescopic rod is fixedly connected with a baffle plate.
As a further improvement of the technical scheme, the bolt comprises a threaded rod, the threaded rod penetrates through the upper chord positioning seat swing rod, and a nut is rotatably connected to one end of the threaded rod.
As a further improvement of this technical scheme, one side sliding connection of upper chord positioning seat has the bracing piece, the one end fixedly connected with sliding block of bracing piece, sliding block sliding connection has upper chord position board, the sliding tray has been seted up to one side of upper chord position board, just sliding tray and sliding block joint cooperation, one side fixedly connected with second spring of upper chord position board, just second spring and upper chord positioning seat fixed connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in this tower crane jib welding frock, can fix the position of upper and lower chord member through the welding web member through the limit structure who sets up, reduce the error when welding and also increase welded efficiency simultaneously, the position of upper and lower chord member is adjustable through the cooperation between the first spring that sets up, lower chord position board, telescopic link, second spring, sliding block and the upper chord position board, satisfies the welding requirement of the jib loading boom of different dimensional requirements.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic view of the support structure of embodiment 1;
FIG. 3 is a schematic view of a platform shelf and a position-limiting structure according to embodiment 1;
fig. 4 is a partial structural schematic view of the upper chord positioning seat in embodiment 1;
fig. 5 is a schematic structural view of the lower chord positioning seat in embodiment 1.
The various reference numbers in the figures mean:
100. a platform frame;
200. a support structure;
210. a positioning column; 211. a handrail; 220. climbing a ladder; 230. the upper chord front ear plate positioning seat; 231. an ear plate pin; 240. a support frame; 250. the upper chord rear ear plate positioning seat;
300. a limiting structure;
310. an upper chord positioning seat; 311. an upper chord positioning seat swing rod; 312. a bolt; 313. a threaded rod; 314. a nut; 315. a support bar; 316. a top chord position plate; 317. a sliding groove; 318. a second spring; 319. a slider; 320. a lower chord positioning seat; 321. a support pillar; 322. a telescopic rod; 323. a baffle plate; 324. a lower chord position plate; 325. a first spring; 330. a lower chord support beam; 340. a bolt hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, this embodiment provides a welding fixture for a crane jib of a tower crane, which includes a platform frame 100, a limiting structure 300 fixedly connected to a top end of the platform frame 100, the limiting structure 300 including a plurality of upper chord positioning seats 310, the upper chord positioning seats 310 determining positions of upper chords, the upper chord positioning seats 310 being fixedly connected to the platform frame 100, a lower chord supporting beam 330 being fixedly connected to a lower chord positioning seat 310 at a position below a middle of the upper chord positioning seats 310, a lower chord being placeable on the lower chord supporting beam 330, a pin hole 340 penetrating the upper chord positioning seats 310 being formed at a top end of the upper chord positioning seats 310, the pin hole 340 being slidably connected to a pin 312, the pin 312 determining a position of an upper chord positioning seat oscillating bar 311, the other end of the pin 312 being slidably connected to an upper chord positioning seat oscillating bar 311, the upper chord positioning seat 311 being capable of preventing the upper chord from penetrating the upper chord positioning seat oscillating bar, and the pin 312 penetrating the upper chord positioning seat oscillating bar 311, the limiting structure 300 comprises a plurality of lower chord positioning seats 320, the lower chord positioning seats 320 determine the final positions of the lower chords, the lower chord positioning seats 320 are fixedly connected with the platform frame 100, each lower chord positioning seat 320 comprises a supporting column 321, an expansion rod 322 penetrating through the supporting column 321 is slidably connected to the position, close to the upper part, of the middle of the supporting column 321, one end of the expansion rod 322 is fixedly connected with a lower chord position plate 324, one side of the lower chord position plate 324 is fixedly connected with a first spring 325, one side of the first spring 325 is fixedly connected with the supporting column 321, the first spring 325 is sleeved on the outer side of the expansion rod 322, the other end of the expansion rod 322 is fixedly connected with a baffle 323, when the left and right lower chords are placed on the lower chord supporting beam 330, the left and right lower chord members are supported to the lower chord position plate 324 by using the web members, and the lower chord position plate 324 is pushed outwards by the first spring 325, so that the left and right chord members and the web members are fixed and cannot move.
In this embodiment, one side fixedly connected with bearing structure 200 of platform frame 100, bearing structure 200 includes support frame 240, support frame 240 is the triangle-shaped structure, stability is higher, one side fixedly connected with reference column 210 of support frame 240, reference column 210 has also increased stability when confirming upper chord front ear plate positioning seat 230 position, top fixedly connected with cat ladder 220 of reference column 210, the top fixedly connected with handrail 211 of cat ladder 220, this frock about cat ladder 220 and handrail 211 all are convenient for the operator, the operation of being convenient for.
Specifically, one side of the platform frame 100 is fixedly connected with the upper chord front ear plate positioning seat 230, the upper chord front ear plate positioning seat 230 fixes the position of the upper chord front ear plate, the upper chord front ear plate positioning seat 230 is fixedly connected with the positioning column 210, the other side of the platform frame 100 is fixedly connected with the upper chord rear ear plate positioning seat 250, and the upper chord rear ear plate is fixed by the upper chord rear ear plate positioning seat 250, so that the welding is facilitated.
Further, one end of the upper chord front ear plate positioning seat 230 is provided with an ear plate pin 231 penetrating through the upper chord front ear plate positioning seat 230, so as to fix the upper chord front ear plate conveniently.
Besides, the bolt 312 comprises a threaded rod 313, the tail of the threaded rod 313 is provided with threads, the threaded rod 313 penetrates through the upper chord positioning seat swing rod 311, one end of the threaded rod 313 is rotatably connected with a nut 314, and the threaded rod 313 and the nut 314 are matched to fix the upper chord positioning seat swing rod 311 conveniently.
Still further, one side of upper chord positioning seat 310 is slidably connected with a support rod 315, one end of support rod 315 is fixedly connected with a sliding block 319, sliding block 319 is slidably connected with upper chord position plate 316, and one side of upper chord position plate 316 is provided with a sliding groove 317. And sliding groove 317 and sliding block 319 are in clamping fit, one side of upper chord position plate 316 is fixedly connected with second spring 318, and second spring 318 and upper chord positioning seat 310 are fixedly connected, and the left and right upper chords are placed on upper chord positioning seat oscillating bar 311, and are braced to upper chord position plate 316 by web members, and second spring 318 gives an acting force to upper chord position plate 316, and the positions of the left and right upper chords and web members are firmly fixed, so that the welding operation is facilitated.
When the welding tool for the tower crane lifting boom frame is used specifically, the left and right lower chords are placed on the lower chord supporting beam 330, the left and right lower chords are supported to the lower chord position plate 324 by the web members, the web members are welded with the left and right lower chords, the bolts 312 are used to reach proper heights, the front ear plate is fixed by the upper chord front ear plate positioning seat 230, the rear ear plate is fixed by the upper chord rear ear plate positioning seat 250, the left and right upper chords are supported to the upper chord position 316 by the web members, the left and right upper chords and the web members are welded, and then the upper chord and the lower chord are welded together.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a tower crane jib welding frock, includes platform frame (100), its characterized in that: the top end of the platform frame (100) is fixedly connected with a limiting structure (300), the limiting structure (300) comprises a plurality of upper chord positioning seats (310), the upper chord positioning seats (310) are fixedly connected with the platform frame (100), lower chord supporting beams (330) are fixedly connected to positions, which are lower than the middle of the upper chord positioning seats (310), the top end of the upper chord positioning seats (310) is provided with bolt holes (340) penetrating through the upper chord positioning seats (310), the bolt holes (340) are slidably connected with bolts (312), the other ends of the bolts (312) are slidably connected with upper chord positioning seat oscillating bars (311), the bolts (312) penetrate through the upper chord positioning seats (311), the limiting structure (300) comprises a plurality of lower chord positioning seats (320), the lower chord positioning seats (320) are fixedly connected with the platform frame (100), the lower chord positioning seat (320) comprises a supporting column (321), an expansion rod (322) penetrating through the supporting column (321) is connected to the position, close to the upper side, of the middle of the supporting column (321) in a sliding mode, and a lower chord position plate (324) is fixedly connected to one end of the expansion rod (322).
2. The tower crane jib welding tool according to claim 1, wherein: one side fixedly connected with bearing structure (200) of platform frame (100), bearing structure (200) are including support frame (240), one side fixedly connected with reference column (210) of support frame (240), the top fixedly connected with cat ladder (220) of reference column (210), the top fixedly connected with handrail (211) of cat ladder (220).
3. The tower crane jib welding tool according to claim 1, wherein: one side fixedly connected with of platform frame (100) goes up chord front ear plate positioning seat (230), just go up chord front ear plate positioning seat (230) and reference column (210) fixed connection, the opposite side fixedly connected with of platform frame (100) goes up chord rear ear plate positioning seat (250).
4. The tower crane jib welding tool according to claim 3, wherein: one end of the upper chord front ear plate positioning seat (230) is provided with an ear plate pin (231) penetrating through the upper chord front ear plate positioning seat (230).
5. The tower crane jib welding tool according to claim 1, wherein: one side of the lower chord position plate (324) is fixedly connected with a first spring (325), one side of the first spring (325) is fixedly connected with a supporting column (321), the first spring (325) is sleeved on the outer side of the telescopic rod (322), and the other end of the telescopic rod (322) is fixedly connected with a baffle plate (323).
6. The tower crane jib welding tool according to claim 1, wherein: bolt (312) include threaded rod (313), just threaded rod (313) run through upper chord positioning seat pendulum rod (311), the one end of threaded rod (313) is rotated and is linked there is nut (314).
7. The tower crane jib welding tool according to claim 1, wherein: go up one side sliding connection of chord member positioning seat (310) has bracing piece (315), the one end fixedly connected with sliding block (319) of bracing piece (315), sliding block (319) sliding connection has last chord member position board (316), sliding tray (317) have been seted up to one side of last chord member position board (316), just sliding tray (317) and sliding block (319) joint cooperation, one side fixedly connected with second spring (318) of last chord member position board (316), just second spring (318) and last chord member positioning seat (310) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120746105.7U CN214921821U (en) | 2021-04-13 | 2021-04-13 | Tower crane hoisting boom welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120746105.7U CN214921821U (en) | 2021-04-13 | 2021-04-13 | Tower crane hoisting boom welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214921821U true CN214921821U (en) | 2021-11-30 |
Family
ID=79044939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120746105.7U Active CN214921821U (en) | 2021-04-13 | 2021-04-13 | Tower crane hoisting boom welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214921821U (en) |
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2021
- 2021-04-13 CN CN202120746105.7U patent/CN214921821U/en active Active
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