CN212239771U

CN212239771U - Novel tower crane arm section assemble welding frock

Info

Publication number: CN212239771U
Application number: CN202020348212.XU
Authority: CN
Inventors: 陈伟国; 黄志青
Original assignee: Jiangsu Shunfa Heavy Industry Science & Technology Co ltd
Current assignee: Jiangsu Shunfa Heavy Industry Science & Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-12-29
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a novel assembling and welding tool for tower crane arm sections, which comprises a bottom frame and arm sections arranged on the bottom frame, and also comprises an ear plate fixing seat, a lower chord positioning and clamping device, a plurality of lower chord middle section clamping devices, a plurality of heightening screw rods, a plurality of pillars and an upper chord heightening and clamping device; by positioning, fixing and clamping the end parts and the middle part of the arm section, workers can directly perform spot welding, and the operation intensity is obviously reduced; meanwhile, each end and the middle part are clamped tightly, so that deformation caused by internal stress during welding can be prevented, the size precision of the arm section is improved, and the processing requirement is met.

Description

Novel tower crane arm section assemble welding frock

Technical Field

The utility model relates to an engineering machine tool field, specifically speaking relate to a novel tower crane arm festival assemble welding frock.

Background

A tower crane, namely a tower crane, also called a tower crane, is hoisting equipment used in building construction; for the processing of the tower crane arm section, the design of the arm section tool needs to ensure the size precision after assembling and welding, otherwise, the waste of raw materials can be caused, and serious potential safety hazards can be caused when the subsequent installation and use are carried out; the existing assembly of the arm joint is mostly in a swing welding mode, the arm joint is not integrally fixed and positioned, the operation intensity of workers is high, meanwhile, the arm joint is not positioned and clamped in all aspects, the arm joint is easily deformed integrally, large size errors are caused, and the product yield is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome foretell not enough, provide a novel tower crane arm festival assemble welding frock.

A novel assembling and welding tool for tower crane arm sections comprises an underframe, wherein the tower crane arm sections are arranged on the underframe and comprise an upper chord and a lower chord, the two ends of the upper chord are fixedly connected with first lug plates, and the two ends of the lower chord are fixedly connected with second lug plates; the bottom frame is bilaterally symmetrical, two ends of the bottom frame are respectively and fixedly connected with a support frame, and the top of each support frame is fixedly connected with the end part of the bottom frame through an inclined rod; the top of the support frame is detachably connected with an ear plate fixing seat, the bottom of the support frame is provided with a lower chord positioning and clamping device, and the lower chord positioning and clamping device is detachably connected with the underframe; the underframe is also symmetrically and detachably connected with a plurality of lower chord middle section clamping devices, a plurality of heightening screw rods and a plurality of supporting columns, the heightening screw rods, the lower chord middle section clamping devices and the supporting columns are respectively distributed on the underframe at equal intervals, and the heightening screw rods are arranged between the two lower chord middle section clamping devices; the top of the support column is detachably connected with an upper chord heightening and clamping device.

By the utility model discloses an optimal scheme, a plurality of reinforcing plates of support frame and chassis junction fixedly connected with.

By the utility model discloses a preferred scheme, both sides fixedly connected with locating plate inside and outside the upper chord center, open at the locating plate center has first locating hole, and first locating hole runs through locating plate and upper chord in proper order.

By the utility model discloses an optimal scheme, lower chord positioning clamping device includes first locating seat and first backing plate, first backing plate and first locating seat fixed connection, and first backing plate and chassis can be dismantled the connection, and it has the second locating hole to open on first locating seat upper portion.

By the utility model discloses an optimized scheme, the otic placode fixing base includes second backing plate and second positioning seat, second positioning seat and second backing plate fixed connection, and the connection can be dismantled at second backing plate and support frame top, and it has the third locating hole to open on the second positioning seat.

By the utility model discloses a preferred scheme, lower chord member middle section clamping device includes third backing plate, reference block, folded plate, two handles and two threaded rods, reference block and third backing plate fixed connection, and the connection can be dismantled to third backing plate and chassis, and reference block and folded plate are L shape, and both ends are connected with the both ends of folded plate through the bolt respectively, handle and threaded rod fixed connection, two faces of folded plate all open respectively can with threaded rod complex screw hole, have at least one threaded hole threaded rod, the threaded rod pushes up tight lower chord member after passing the screw hole.

By the utility model discloses an optimal scheme, go up the chord member and increase clamping device and press from both sides tight frame and fourth backing plate including the U-shaped of invering, and the fourth backing plate is located the bottom of U-shaped clamp frame, and the connection can be dismantled at fourth backing plate and pillar top, fixedly connected with bracing piece on the fourth backing plate, bracing piece top surface and last chord member lower surface contact, the three face of U-shaped clamp frame is provided with adjusting bolt respectively, and adjusting bolt pushes up the chord member surface tightly behind the frame that passes U-shaped clamp frame.

The utility model has the advantages that: by positioning, fixing and clamping the end parts and the middle part of the arm section, workers can directly perform spot welding, and the operation intensity is obviously reduced; meanwhile, each end and the middle part are clamped tightly, so that deformation caused by internal stress during welding can be prevented, the size precision of the arm section is improved, and the processing requirement is met.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic view of the main body of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a sectional view taken along line A of FIG. 1;

wherein: the positioning plate comprises a positioning plate 1, an upper chord heightening clamping device 2, an upper chord 3, an ear plate fixing seat 4, an inclined rod 5, a support frame 6, a lower chord 7, a support column 8, a first positioning hole 9, a heightening screw rod 10, a bottom frame 11, a lower chord middle section clamping device 12, a lower chord positioning clamping device 13, a reinforcing plate 14, an adjusting bolt 15, a fourth base plate 16, a U-shaped clamping frame 17, a reference block 18, a folded plate 19, a handle 20, a third base plate 21, a first ear plate 22, a second base plate 23, a first base plate 24, a first positioning seat 25, a second positioning seat 26, a threaded rod 27 and a support rod 28.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other inside, the fixed connection can be welding, gluing and the like, and for those skilled in the art, the specific meaning of the terms in the present invention can be understood according to specific situations.

As shown in fig. 1-3, a novel assembling and welding tool for tower crane arm sections comprises an underframe 11, wherein the tower crane arm sections are arranged on the underframe 11 and comprise an upper chord 3 and a lower chord 7, first ear plates 22 are fixedly connected to two ends of the upper chord 3, and second ear plates are fixedly connected to two ends of the lower chord 7; a first ear plate 22 and a second ear plate are provided for positioning and fixing the arm segment by means of the first ear plate 22 and the second ear plate.

The bottom frame 11 is bilaterally symmetrical, two ends of the bottom frame are respectively and fixedly connected with a support frame 6, and the top of the support frame 6 is fixedly connected with the end part of the bottom frame 11 through an inclined rod 5; the top of the support frame 6 is detachably connected with an ear plate fixing seat 4 through a bolt, the bottom of the support frame is provided with a lower chord positioning and clamping device 13, and the lower chord positioning and clamping device 13 is detachably connected with the bottom frame 11 through a bolt; through setting up down tube 5 joint support frame 6 and chassis 11, and then improve the support of whole frock to the arm festival, set up otic placode fixing base 4 simultaneously at 6 tops of support frame for fix a position and fix the upper chord member through first otic placode 22, set up lower chord positioning and clamping device 13 in 6 bottoms of support frame, be used for fixing a position and fix lower chord member 7 through first otic placode 22.

The underframe 11 is also symmetrically and detachably connected with a plurality of lower chord middle section clamping devices 12, a plurality of heightening screw rods 10 and a plurality of support columns 8 through bolts, the heightening screw rods 10, the lower chord middle section clamping devices 12 and the support columns 8 are respectively distributed on the underframe 11 at equal intervals, and the heightening screw rods 10 are arranged between the two lower chord middle section clamping devices 12; the top of the strut 8 is detachably connected with an upper chord heightening clamping device 2 through a bolt; the lower chord middle section clamping device 12 is arranged to prevent the lower chord 7 from deforming under the influence of internal stress during welding, the heightening screw 10 is arranged to perform the leveling action on the lower chord 7, the upper chord heightening clamping device 2 is arranged to prevent the upper chord 3 from deforming during welding, and the upper chord 3 is leveled.

A plurality of reinforcing plates 14 are fixedly connected to the joint of the support frame 6 and the bottom frame 11, the reinforcing plates 14 are arranged to further fix the support frame 6, and the stability of the tool is improved.

The inner side and the outer side of the center of the upper chord are fixedly connected with a positioning plate 1, the center of the positioning plate 1 is provided with a first positioning hole 9, and the first positioning hole 9 sequentially penetrates through the positioning plate 1 and the upper chord 3; through inserting the locating pin axle in first locating hole 9, can directly fix a position the top chord 3 center fixedly, be convenient for assemble of the connecting rod between top chord 3 and lower chord 7.

The lower chord positioning and clamping device 13 comprises a first positioning seat 25 and a first base plate 24, the first base plate 24 is fixedly connected with the first positioning seat 25, the first base plate 24 is detachably connected with the base frame 11 through bolts, a second positioning hole is formed in the upper portion of the first positioning seat 25, a fixing pin shaft is inserted into the second positioning hole, the pin shaft penetrates into a second lug plate, and then the end portion of the lower chord 7 is positioned and fixed.

The ear plate fixing seat 4 comprises a second base plate 23 and a second positioning seat 26, the second positioning seat 26 is fixedly connected with the second base plate 23, the second base plate 23 is detachably connected with the top of the support frame 6 through a bolt, a third positioning hole is formed in the second positioning seat 26, a fixing pin shaft is inserted into the third positioning hole to pass through the first ear plate 22, and then the end part of the upper chord member 3 is positioned and fixed.

The lower chord middle section clamping device 12 comprises a third base plate 21, a reference block 18, a folded plate 19, two handles 20 and two threaded rods 27, the reference block 18 is fixedly connected with the third base plate 21, the third base plate 21 is detachably connected with the underframe 11 through bolts, the reference block 18 and the folded plate are L-shaped, two ends of the reference block 18 are respectively connected with two ends of the folded plate 19 through bolts, the handles 20 are fixedly connected with the threaded rods 27, two surfaces of the folded plate 19 are respectively provided with threaded holes capable of being matched with the threaded rods 27, at least one threaded hole is internally provided with the threaded rod 27, and the threaded rod 27 penetrates through the threaded hole to tightly push the lower chord 7; the inner walls of the datum blocks 18 of the lower chords 7 are contacted, the handle 20 is rotated, the heads of the threaded rods 27 abut against the lower chords 7, and the datum blocks 18 and the threaded rods 27 clamp the lower chords 7 to prevent the lower chords 7 from being deformed under stress.

The upper chord heightening and clamping device 2 comprises an inverted U-shaped clamping frame 17 and a fourth base plate 16, the fourth base plate 16 is positioned at the bottom of the U-shaped clamping frame 17, the fourth base plate 16 is detachably connected with the top of the support column 8 through a bolt, a support rod 28 is fixedly connected to the fourth base plate 16, the top surface of the support rod 28 is contacted with the lower surface of the upper chord 3, adjusting bolts 15 are respectively arranged on three surfaces of the U-shaped clamping frame 17, and the adjusting bolts 15 tightly prop against the surface of the upper chord 3 after penetrating through the frame of the U-shaped clamping frame 17; by adjusting the adjusting bolts 15 arranged on the side frames of the U-shaped clamping frames 17, the upper chord 3 can be clamped by the left and right adjusting bolts 15, and the height of the upper chord 3 can be adjusted by the top adjusting bolts 15.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A novel assembling and welding tool for tower crane arm sections comprises an underframe (11), wherein the tower crane arm sections are arranged on the underframe (11), each arm section comprises an upper chord (3) and a lower chord (7), two end parts of the upper chord (3) are fixedly connected with first lug plates (22), and two end parts of the lower chord (7) are fixedly connected with second lug plates; the method is characterized in that: the bottom frame (11) is bilaterally symmetrical, two ends of the bottom frame are respectively and fixedly connected with a support frame (6), and the top of the support frame (6) is fixedly connected with the end part of the bottom frame (11) through an inclined rod (5); the top of the support frame (6) is detachably connected with an ear plate fixing seat (4), the bottom of the support frame is provided with a lower chord positioning and clamping device (13), and the lower chord positioning and clamping device (13) is detachably connected with the bottom frame (11); the bottom frame (11) is also symmetrically detachably connected with a plurality of lower chord middle section clamping devices (12), a plurality of heightening screw rods (10) and a plurality of support columns (8), the heightening screw rods (10), the lower chord middle section clamping devices (12) and the support columns (8) are respectively distributed on the bottom frame (11) at equal intervals, and the heightening screw rods (10) are arranged between the two lower chord middle section clamping devices (12); the top of the support column (8) is detachably connected with an upper chord heightening clamping device (2).

2. The assembling and welding tool for the novel tower crane arm section according to claim 1, is characterized in that: the joint of the support frame (6) and the bottom frame (11) is fixedly connected with a plurality of reinforcing plates (14).

3. The assembling and welding tool for the novel tower crane arm section according to claim 1, is characterized in that: the inner side and the outer side of the center of the upper chord are fixedly connected with a positioning plate (1), the center of the positioning plate (1) is provided with a first positioning hole (9), and the first positioning hole (9) penetrates through the positioning plate (1) and the upper chord (3) in sequence.

4. The assembling and welding tool for the novel tower crane arm section according to claim 1, is characterized in that: the lower chord positioning and clamping device (13) comprises a first positioning seat (25) and a first base plate (24), the first base plate (24) is fixedly connected with the first positioning seat (25), the first base plate (24) is detachably connected with the bottom frame (11), and a second positioning hole is formed in the upper portion of the first positioning seat (25).

5. The assembling and welding tool for the novel tower crane arm section according to claim 1, is characterized in that: the ear plate fixing seat (4) comprises a second base plate (23) and a second positioning seat (26), the second positioning seat (26) is fixedly connected with the second base plate (23), the second base plate (23) is detachably connected with the top of the supporting frame (6), and a third positioning hole is formed in the second positioning seat (26).

6. The assembling and welding tool for the novel tower crane arm section according to claim 1, is characterized in that: lower chord middle section clamping device (12) include third backing plate (21), benchmark piece (18), folded plate (19), two handle (20) and two threaded rod (27), benchmark piece (18) and third backing plate (21) fixed connection, third backing plate (21) and chassis (11) can be dismantled and be connected, benchmark piece (18) and folded plate are L shape, both ends are connected with the both ends of folded plate (19) through the bolt respectively, handle (20) and threaded rod (27) fixed connection, folded plate (19) two faces are all opened respectively can with threaded rod (27) complex screw hole, at least one threaded hole is equipped with threaded rod (27), top tight lower chord (7) after threaded rod (27) passed the screw hole.

7. The assembling and welding tool for the novel tower crane arm section according to claim 1, is characterized in that: go up chord member and increase clamping device (2) and press from both sides tight frame (17) and fourth backing plate (16) including the U-shaped of invering, and fourth backing plate (16) are located the bottom of U-shaped and press from both sides tight frame (17), fourth backing plate (16) and pillar (8) top can be dismantled and be connected, fixedly connected with bracing piece (28) on fourth backing plate (16), bracing piece (28) top surface and last chord member (3) lower surface contact, the three face of U-shaped clamp frame (17) is provided with adjusting bolt (15) respectively, adjusting bolt (15) pass and push up chord member (3) surface tightly behind the frame of U-shaped clamp frame (17).