CN210499020U - Boom chord member positioning and welding tool - Google Patents
Boom chord member positioning and welding tool Download PDFInfo
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- CN210499020U CN210499020U CN201921405692.2U CN201921405692U CN210499020U CN 210499020 U CN210499020 U CN 210499020U CN 201921405692 U CN201921405692 U CN 201921405692U CN 210499020 U CN210499020 U CN 210499020U
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Abstract
The utility model relates to the field of production tools of crane booms, and discloses a positioning welding tool for crane boom chords, which has the technical scheme that the positioning welding tool comprises a support frame and support arms arranged at two ends of the support frame in the length direction, wherein the support frame is provided with a limiting device, and two support arms are respectively provided with a positioning device which is centrosymmetric about the support frame in the length direction; the limiting device comprises a limiting seat, a fixed seat and an ear plate seat, the limiting seat, the fixed seat and the ear plate seat are arranged on the other side of the support frame and are respectively arranged in a manner of being symmetrical with respect to the center of the width direction of the support frame, and the fixed seat is provided with a plurality of groups along the length direction of the support frame; the positioning device comprises a positioning plate, a positioning shaft sleeve, a shaft hole which is arranged on the other positioning plate and corresponds to the positioning shaft sleeve, and a positioning pin shaft which is detachably connected with the shaft sleeve, wherein the positioning plates are symmetrically arranged in the width direction of the supporting arm. The utility model has the advantages of to the accurate positioning welding of jib loading boom chord member.
Description
Technical Field
The utility model relates to a production frock of jib loading boom, in particular to jib loading boom chord member positioning welding frock.
Background
The crane boom is one of the most important parts of the crane, the size precision of the crane boom directly influences the hoisting performance of the crane, the size precision of the crane boom is mainly influenced by the material of a boom body and the welding process, after the corresponding material of the boom body is determined, the accurate positioning in the welding process is crucial to the size precision of the crane boom, as shown in fig. 1, the side surface of the crane boom is triangular, and the main parts comprise an upper chord 4, a lower chord 5, a plurality of oblique web members 6 and the like.
At present, Chinese patent with publication number CN205437596U discloses a tower crane boom pull rod welding tool, which comprises a base, wherein a joint I, a joint II, a joint III and a V-shaped seat are connected to the base; connect I top middle arch, connect II and connect III both sides arch, middle sunken.
The utility model optimizes the product marking and positioning mode, saves the welding time of standard sections, and can meet the production of the pull rods of crane booms with different models; however, the position and the length direction of the pull rod cannot be accurately positioned only by fixing the pull rod and the lug plate on the pull rod through the tooling pin shaft and the lifting ring pin shaft, and the welded boom is easy to incline in the actual welding process, so that the performance of the crane is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a jib loading boom chord member positioning welding frock has the accurate positioning welding's of jib loading boom chord member advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a boom chord member positioning welding tool comprises a support frame and support arms arranged at two ends of the support frame in the length direction, wherein a limiting device is arranged on the support frame, and positioning devices which are symmetrical with respect to the center of the support frame in the length direction are respectively arranged on the two support arms;
the limiting devices are symmetrically provided with two groups about the center of the width direction of the support frame, each limiting device comprises a limiting seat, a fixing seat and an ear plate seat, the limiting seats, the fixing seats and the ear plate seats are sequentially arranged on one side of the support frame along the length direction of the support frame, and the fixing seats are provided with a plurality of groups along the length direction of the support frame;
the positioning device comprises positioning plates fixedly connected to two sides of the supporting arm, positioning shaft sleeves arranged at one ends of the positioning plates far away from the supporting arm, shaft holes arranged on the other positioning plate, and positioning pin shafts detachably connected with the positioning shaft sleeves, wherein the positioning pin shafts penetrate through the shaft holes, and the two positioning plates are symmetrically arranged in the width direction of the supporting arm.
Through adopting above-mentioned technical scheme, when will need welded lower chord to arrange the support frame in, utilize spacing seat to contradict in the one end of lower chord, utilize the fixing base to hug closely one side of lower chord length, inject the direction of lower chord, the binaural board of the lower chord other end is pegged graft on the otic placode seat, simultaneously, utilizes the position of positioner fixed upper chord to reach the fixed to the position of required welded chord, be favorable to the accurate welding of jib loading boom.
Furthermore, the limiting seat comprises a base detachably connected to the support frame and a limiting plate vertically and fixedly connected to the base, a reinforcing plate vertically and fixedly connected to the base is arranged on one side of the limiting plate, and the length direction of the limiting plate is perpendicular to that of the support frame.
Through adopting above-mentioned technical scheme, the limiting plate is contradicted in the one end of lower chord, utilizes the one end of the fixed lower chord of frictional force between limiting plate and the lower chord, utilizes the reinforcing plate to carry on spacingly to the position of limiting plate, prevents that the lower chord from causing the incline of limiting plate to the extrusion of limiting plate to ensure that the one end position of lower chord is fixed.
Furthermore, one side of the limiting plate is provided with a polyurethane non-slip mat.
Through adopting above-mentioned technical scheme, take place relative slip when avoiding contradicting between limiting plate and the lower chord, ensure that spacing seat fixes a position lower chord.
Furthermore, the fixing seat comprises a bottom plate, a fixing plate and a fixing hole formed in the fixing plate, the bottom plate is connected with the support frame through bolts, the fixing plate is fixedly connected to the bottom plate, and the plane where the fixing plate is located is parallel to the length direction of the support frame.
Through adopting above-mentioned technical scheme, the fixed plate is contradicted in one side of lower chord length direction, plays limiting displacement to the direction of lower chord, prescribes a limit to the position of lower chord simultaneously through the setting of multiunit fixing base, guarantees that the length direction of lower chord does not take place the incline, and the setting of floor prevents that the fixed plate receives the extrusion force that comes from the chord and takes place crooked simultaneously among the welding process, further realizes the location to the lower chord.
Furthermore, one side of the fixing plate is provided with an anti-slip pad.
Through adopting above-mentioned technical scheme, take place relative slip when avoiding contradicting between fixed plate and the lower chord, ensure that the fixing base fixes a position lower chord.
Further, the otic placode seat includes connecting plate, otic placode, U-shaped hole, the connecting plate is dismantled and is connected on the support frame, the perpendicular fixed connection of otic placode is on the connecting plate, the length direction of otic placode is perpendicular with the length direction of support frame, the U-shaped hole is equipped with two along otic placode length direction.
Through adopting above-mentioned technical scheme, the ears board is pegged graft and is fixed on the U-shaped hole, and the U-shaped hole plays the effect of injecing to the position of ears board to be favorable to the positioning welding of jib loading boom chord member.
Furthermore, the length center of the limiting seat and the length center of the ear plate seat are on the same straight line.
Through adopting above-mentioned technical scheme, ensure that the length direction of lower chord is parallel with the length direction of support frame all the time, the position of chord is favorable to the accurate tack welding of chord in accurate location down.
Furthermore, the two ends of the support frame in the length direction are also provided with an operating platform, and one side of the operating platform is also provided with a ladder stand.
Through adopting above-mentioned technical scheme, among the welding process, staff's accessible cat ladder climbs to the convenient staff welding jib loading boom above the operation panel.
Furthermore, the operating platform is further provided with guardrails, and the guardrails are located on two sides of the supporting arm close to the length direction of the supporting frame.
Through adopting above-mentioned technical scheme, prevent that the staff from falling from the operation panel in welding process, protection staff's safety.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the limiting devices, one end of the lower chord is fixed by utilizing the limiting seats respectively, the length direction of the lower chord is fixed by the fixing seats, and the double ear plates at one end of the lower chord are fixed by the ear plate seats, so that the positioning of the lower chord to be welded is achieved, and the accurate welding of the crane boom is facilitated;
2. through positioner's setting, utilize the fitting pin axle to pass the double-ear plate on the upper chord, locating plate and the cooperation of location axle sleeve and screw up, the position of fixed double-ear plate to the realization is favorable to the accurate positioning welding of upper chord to the jib loading boom.
Drawings
FIG. 1 is a schematic view of a prior art construction for a lift arm;
FIG. 2 is a schematic overall structure diagram of a positioning and welding tool for boom chords in the embodiment;
FIG. 3 is an enlarged schematic structural view of part A of FIG. 2;
FIG. 4 is an enlarged schematic structural view of a portion B in FIG. 2 according to an exemplary embodiment;
fig. 5 is a schematic structural diagram for embodying enlargement of a portion C in fig. 2 in the embodiment.
In the figure, 1, a support frame; 11. a support arm; 2. a limiting device; 21. a limiting seat; 211. a base; 212. A limiting plate; 2121. a polyurethane non-slip mat; 213. a reinforcing plate; 22. a fixed seat; 221. a base plate; 222. a fixing plate; 223. a fixing hole; 224. a rib plate; 23. an ear plate seat; 231. a connecting plate; 232. an ear plate; 233. a U-shaped hole; 3. a positioning device; 31. positioning a plate; 32. positioning the shaft sleeve; 33. a shaft hole; 34. positioning a pin shaft; 4. an upper chord; 5. a lower chord; 6. a diagonal web member; 7. an operation table; 8. climbing a ladder; 9. and (4) a guardrail.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a boom chord member positioning welding tool comprises a support frame 1 and support arms 11 arranged at two ends of the support frame 1 in the length direction, wherein a limiting device 2 of a lower chord member 5 is arranged on the support frame 1, and positioning devices 3 of upper chord members 4 which are symmetrical about the center of the support frame 1 in the length direction are respectively arranged on the two support arms 11; the lower chord 5 required to be welded is placed on the support frame 1, the position of the lower chord 5 is fixed by the limiting device 2, then the two ends of the upper chord 4 are respectively fixed by the positioning devices 3, and the positions of the upper chord and the lower chord are simultaneously fixed by the positioning devices 3 and the limiting device 2, so that the chord required to be welded is fixed, and the precise welding of the crane boom is facilitated.
As shown in fig. 1 and 2, two lower chords 5 are arranged on the boom, the lower chords 5 are square rods with a certain length, so that the lower chords 5 are fixed by arranging different components in the length direction, two groups of limiting devices 2 are symmetrically arranged about the center of the width direction of the support frame 1, each limiting device 2 comprises a limiting seat 21, a fixed seat 22 and an ear plate seat 23, the limiting seats 21, the fixed seats 22 and the ear plate seats are sequentially arranged on one side of the support frame 1 along the length direction of the support frame 1, and the fixed seats 22 are provided with a plurality of groups along the length direction of the support frame 1; utilize spacing seat 21 to contradict in the one end of lower chord 5, a plurality of fixing base 22 is fixed respectively in one side of the length direction of lower chord 5, realizes spacing to its length direction, uses the two otic placodes of the fixed lower chord 5 one end of otic placode seat 23 to the realization is to the whole location of lower chord 5.
As shown in fig. 1 and 2, in order to position the upper chord 4 to be welded, the positioning device 3 includes positioning plates 31 fixedly connected to both sides of the supporting arm 11, a positioning shaft sleeve 32 arranged at one end of the positioning plate 31 far away from the supporting arm 11, a shaft hole 33 arranged on the other positioning plate 31, and a positioning pin 34 detachably connected to the positioning shaft sleeve 32, wherein the positioning pin 34 passes through the shaft hole 33, and the two positioning plates 31 are symmetrically arranged with respect to the width direction of the supporting arm 11; one end of the upper chord 4 to be welded is fixed in the middle of the positioning plate 31, the positioning pin shaft 34 penetrates through the shaft hole 33, the positioning plate 31 and the positioning shaft sleeve 32 to be matched and fixed with the position of the upper chord 4, and the other end of the upper chord 4 is fixed in the above way, so that the upper chord 4 to be welded is fixed.
As shown in fig. 1 and 2, it is further ensured that the limiting seat 21 can stably abut against one end of the lower chord 5, so that the lower chord 5 does not deviate, the limiting seat 21 includes a base 211 detachably connected to the support frame 1, and a limiting plate 212 vertically and fixedly connected to the base 211, a reinforcing plate 213 vertically and fixedly connected to the base 211 is disposed on one side of the limiting plate 212, and the length direction of the limiting plate 212 is perpendicular to the length direction of the support frame 1; one end of the lower chord 5 is abutted against the limiting plate 212, the position of the lower chord 5 is fixed by using the friction force between the limiting plate 212 and the lower chord 5, and meanwhile, the reinforcing plate 213 can support the limiting plate 212 to prevent the limiting plate 212 from being extruded by the lower chord 5 to be deflected, so that the position of the lower chord 5 is deflected.
As shown in fig. 1 and 2, a polyurethane anti-slip pad 2121 is disposed on a side of the limiting plate 212 abutting against the lower chord 5, so as to further increase a friction force between the limiting plate 212 and the lower chord 5 and prevent a collision surface between the limiting plate 212 and the lower chord 5 from sliding relatively.
As shown in fig. 1 and 2, since the lower chord 5 has a certain length, in order to further realize the positioning of the length, the fixing seat 22 includes a bottom plate 221, a fixing plate 222, and a fixing hole 223 disposed on the fixing plate 222, the bottom plate 221 is connected with the supporting frame 1 by a bolt, the fixing plate 222 is fixedly connected to the bottom plate 221, and the plane of the fixing plate 222 is parallel to the length direction of the supporting frame 1; the fixing plate 222 is tightly attached to one side of the length direction of the lower chord 5, and the plurality of fixing seats 22 are simultaneously fixed to one side of the lower chord 5, so that the length direction of the lower chord 5 can be limited, the position deviation of the lower chord 5 is prevented, the arrangement of the rib plates 224 can reinforce the position of the fixing plate 222, and the length positioning of the fixing seats 22 on the lower chord 5 is further ensured.
As shown in fig. 1 and 2, a non-slip pad is disposed on the side where the fixing plate 222 abuts against the lower chord 5, so as to increase the friction between the abutting surfaces of the fixing plate 222 and the lower chord 5, and prevent the fixing plate 222 and the lower chord 5 from sliding to cause the deflection of the lower chord 5.
As shown in fig. 1 and 2, in order to fix the position of the double ear plates at one end of the lower chord 5, an ear plate seat 23 is arranged at one end of the support frame 1 and is positioned in cooperation with the double ear plates, the ear plate seat 23 comprises a connecting plate 231, ear plates 232 and U-shaped holes 233, the connecting plate 231 is detachably connected to the support frame 1, the ear plates 232 are vertically and fixedly connected to the connecting plate 231, the length direction of the ear plates 232 is perpendicular to the length direction of the support frame 1, and two U-shaped holes 233 are arranged along the length direction of the ear plates 232; the double-lug plate at one end of the lower chord 5 is correspondingly inserted into the two U-shaped holes 233 on the lug plate 232, so that the double-lug plate on the lower chord 5 is positioned.
As shown in fig. 1 and 2, the length center of the limiting seat 21 and the length center of the ear plate seat 23 are arranged on a straight line, so that the limiting device 2 can accurately position the length direction of the lower chord 5.
As shown in fig. 2, in order to facilitate the welding of the boom by the worker, operation platforms 7 are further provided at both ends of the support frame 1 in the length direction, and a ladder 8 is further provided at one side of the operation platform 7; the operating platform 7 is also provided with guardrails 9, and the guardrails 9 are positioned at two sides of the supporting arm 11 close to the length direction of the supporting frame 1; when the crane boom is welded, a worker can climb onto the operating platform 7 through the crawling ladder 8, welding operation is facilitated, and the guardrail 9 on the operating platform 7 can protect the worker.
The specific implementation process comprises the following steps: place required welded lower chord 5 on support frame 1, utilize spacing seat 21 to contradict in the one end of lower chord 5, utilize fixing base 22 to hug closely one side of lower chord 5 length, prescribe the length direction of lower chord 5, the binaural board of the lower chord 5 other end is pegged graft on the U-shaped hole 233 of otic placode seat 23, the realization is to the position location of lower chord 5, and simultaneously, utilize locating pin axle 34 to pass the binaural board on last chord 4, the position of chord 4 is fixed in shaft hole 33 and the cooperation of location axle sleeve 32, reach the fixed to the position of required welded chord, be favorable to the accurate welding of jib loading boom.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a jib loading boom chord member fixed-position welding frock, includes support frame (1), sets up in support arm (11) at support frame (1) length direction both ends, its characterized in that: the supporting frame (1) is provided with a limiting device (2), and the two supporting arms (11) are respectively provided with a positioning device (3) which is symmetrical about the center of the supporting frame (1) in the length direction;
the limiting devices (2) are symmetrically arranged in two groups relative to the center of the support frame (1) in the width direction, each limiting device (2) comprises a limiting seat (21), a fixed seat (22) and an ear plate seat (23), the limiting seats, the fixed seats and the ear plate seats are sequentially arranged on one side of the support frame (1) along the length direction of the support frame (1), and the fixed seats (22) are provided with a plurality of groups along the length direction of the support frame (1);
positioner (3) including fixed connection locating plate (31) in support arm (11) both sides, set up locating pin axle (34) of keeping away from support arm (11) one end at locating plate (31), set up shaft hole (33) on another locating plate (31), dismantle the locating pin axle (34) of being connected with locating pin axle (32), shaft hole (33), two are passed in locating pin axle (34) locating plate (31) sets up about the width direction symmetry of support arm (11).
2. The boom chord positioning and welding tool according to claim 1, characterized in that: spacing seat (21) are including dismantling limiting plate (212) of connecting base (211), the perpendicular fixed connection on base (211) on support frame (1), limiting plate (212) one side is equipped with reinforcing plate (213) of perpendicular fixed connection on base (211), the length direction of limiting plate (212) is perpendicular with the length direction of support frame (1).
3. The boom chord positioning and welding tool according to claim 2, characterized in that: one side of the limiting plate (212) is provided with a polyurethane anti-skid pad (2121).
4. The boom chord positioning and welding tool according to claim 1, characterized in that: the fixing seat (22) comprises a bottom plate (221), a fixing plate (222) and a fixing hole (223) formed in the fixing plate (222), the bottom plate (221) is connected with the support frame (1) through bolts, the fixing plate (222) is fixedly connected to the bottom plate (221), and the plane where the fixing plate (222) is located is parallel to the length direction of the support frame (1).
5. The boom chord positioning and welding tool according to claim 4, characterized in that: and one side of the fixing plate (222) is provided with a non-slip mat.
6. The boom chord positioning and welding tool according to claim 1, characterized in that: the ear plate seat (23) comprises a connecting plate (231), ear plates (232) and U-shaped holes (233), the connecting plate (231) is detached and connected onto the support frame (1), the ear plates (232) are fixedly connected onto the connecting plate (231) in a perpendicular mode, the length direction of the ear plates (232) is perpendicular to the length direction of the support frame (1), and the U-shaped holes (233) are two in length direction along the ear plates (232).
7. The boom chord positioning and welding tool according to claim 1, characterized in that: the length center of the limiting seat (21) and the length center of the ear plate seat (23) are on the same straight line.
8. The boom chord positioning and welding tool according to claim 1, characterized in that: the support frame (1) length direction's both ends still are equipped with operation panel (7), one side of operation panel (7) still is equipped with cat ladder (8).
9. The boom chord positioning and welding tool according to claim 8, characterized in that: the operating platform (7) is further provided with guardrails (9), and the guardrails (9) are located on two sides, close to the length direction of the support frame (1), of the support arms (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921405692.2U CN210499020U (en) | 2019-08-27 | 2019-08-27 | Boom chord member positioning and welding tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921405692.2U CN210499020U (en) | 2019-08-27 | 2019-08-27 | Boom chord member positioning and welding tool |
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CN210499020U true CN210499020U (en) | 2020-05-12 |
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CN201921405692.2U Expired - Fee Related CN210499020U (en) | 2019-08-27 | 2019-08-27 | Boom chord member positioning and welding tool |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114289971A (en) * | 2021-12-22 | 2022-04-08 | 南京合信自动化有限公司 | Frock clamp suitable for artifical group of jib loading boom |
-
2019
- 2019-08-27 CN CN201921405692.2U patent/CN210499020U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114289971A (en) * | 2021-12-22 | 2022-04-08 | 南京合信自动化有限公司 | Frock clamp suitable for artifical group of jib loading boom |
CN114289971B (en) * | 2021-12-22 | 2024-03-08 | 南京合信自动化有限公司 | Frock clamp suitable for manual team formation of lifting arm |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |