CN215546192U - Quick welding tool for railing on tower crane - Google Patents

Abstract

The utility model discloses a rapid welding tool for a railing on a tower crane, which comprises a fixing plate, railing clamping dies, a pressing mechanism and end flat stamping mechanisms, wherein the fixing plate is arranged on a placing frame, a plurality of railing clamping dies are fixed on the top surface of the fixing plate in a detachable fixed connection mode, the pressing mechanism is arranged above each railing tensioning die, and the end flat stamping mechanisms are arranged at two ends of a railing bent pipe; therefore, the preparation time of welding by workers is shortened, and the efficiency is improved; meanwhile, the automatic clamping mode is adopted for clamping on the welding die, so that the problem that the stability is reduced when welding due to the fact that the rail moves in the welding process can be avoided.

Description

Quick welding tool for railing on tower crane

Technical Field

The utility model relates to the field of processing equipment for railings on tower cranes, in particular to a rapid welding tool for railings on tower cranes.

Background

The rail used on the tower crane is mainly formed by welding a plurality of straight rods and a bent rod, the welding positions of the straight rods and the bent rod are required to be pressed into a flat shape for facilitating welding, so that the stability of the welding positions is convenient to ensure when welding is carried out, the size of a welding seam is reduced at the same time, the straight rods are cut off in a punching mode when being cut off, the two ends of the straight rods are formed into a flat shape in a punching mode, but the flat shapes at the two ends of a bent pipe are required to be arranged on a welding die and hammered into a flat shape, so that the labor intensity of workers is high, and the end parts of the bent rods are required to be hammered flat before welding, so that the welding efficiency of the rail is undoubtedly reduced;

Present railing welding mould is last all not to be provided with and to press down the subassembly that compresses tightly in the mould with the railing, because generally main equipment is more in the tower machine shop, main equipment is in processing, the vibration in the workshop is bigger, if not compressing tightly, can lead to the railing to take place to remove in the welded time, butt joint when can't guarantee the railing welding like this (promptly when the welding, the railing of concatenation formation can take place to throw off in the time of leading to the welded because the removal), influence welded stability like this.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the quick welding tool for the rail on the tower crane, which adopts an automatic mode to flatten the end part of the bent rod, so that the operation of workers is not needed, the preparation time of the workers during welding is shortened, and the efficiency is improved; meanwhile, the automatic clamping mode is adopted for clamping on the welding die, so that the problem that the stability is reduced when welding due to the fact that the rail moves in the welding process can be avoided.

In order to achieve the purpose, the scheme of the utility model is as follows: a rapid welding tool for a railing on a tower crane comprises a fixing plate, railing clamping dies, a pressing mechanism and an end flat stamping mechanism, wherein the fixing plate is arranged on a placing frame, a plurality of railing clamping dies are fixed on the top surface of the fixing plate in a detachable and fixed connection mode, and railings to be welded and connected are clamped on the fixing plate through a plurality of railing tensioning dies; a pressing mechanism is arranged above each handrail tensioning die, and the handrail clamped in the handrail clamping die is pressed in the handrail clamping film through the pressing mechanism, so that the situation that the welding position is staggered due to vertical jumping in the welding process can be prevented; the flat end part stamping mechanisms are arranged on the two ends of the handrail bent pipe, and the two ends of the bent pipe are stamped through the flat end part stamping mechanisms, so that the two ends of the bent pipe are flat.

Preferably, a moving seat is fixed between the fixed plate and the placing frame, the fixed plate moves on the placing frame, the end part flat stamping mechanism is fixed on the placing frame through a portal frame, and when two ends of the bent pipe need to be stamped, the two ends of the bent pipe are moved to the position below the end part flat stamping mechanism; the end flat stamping mechanism comprises a stamping head and a hydraulic cylinder, the hydraulic cylinder is fixed on the portal frame, a piston rod of the hydraulic cylinder faces downwards, the stamping head is fixed on the piston rod of the hydraulic cylinder, a bearing head vertically opposite to the stamping head is fixed on the fixing plate, grooves are formed in the bearing head and the stamping head, and a space formed by the bearing head and the stamping head is slowly changed into a flat groove, so that a flat shape is formed under the stamping of the bearing head and the stamping head.

Preferably, the handrail clamping die comprises an installation plate, a backup plate and a clamping plate, wherein the installation plate is fixed on the fixing plate through a bolt, the backup plate is fixed on the edge of one side of the installation plate, the clamping plate is arranged on the other side of the installation plate in a sliding fit manner, and a spring for pulling the clamping plate to be far away from the backup plate is arranged between the clamping plate and the installation plate; the pressing mechanism is fixed on the backup plate and comprises a pressing cylinder, a linkage plate, a pressing column and a clamping inclined block, wherein the pressing cylinder is fixed on the backup plate, a piston rod of the pressing cylinder is fixed with the linkage plate which can swing along with the piston rod in a hinged mode, the middle section of the linkage rod is hinged to the backup plate through a connecting rod, the bottom of the pressing column and the bottom of the pressing column are fixed below the linkage plate and pressed on the handrail, the clamping inclined block which inclines downwards is fixed on the linkage plate above the clamping plate, and when the linkage plate descends, the clamping inclined block presses the clamping plate to move towards the backup plate, so that the handrail is clamped between the backup plate and the clamping plate.

Compared with the prior art, the utility model has the advantages that: 1. the end part of the bent rod is flattened in an automatic mode, so that the operation of workers is not needed, the preparation time of the workers during welding is shortened, and the efficiency is improved; meanwhile, the automatic clamping mode is adopted for clamping on the welding die, so that the problem that the stability is reduced when welding due to the fact that the rail moves in the welding process can be avoided.

Drawings

FIG. 1 is a top view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic view of the rail clamping mold and the compression supply of the present invention.

FIG. 4 is a schematic view of the flat end punch mechanism of the present invention.

The device comprises a fixing plate 1, a fixing plate 2, a railing clamping die 2.1, a mounting plate 2.2, a backup plate 2.3, a clamping plate 3, a pressing mechanism 3.1, a pressing cylinder 3.2, a linkage plate 3.3, a pressing column 3.4, a clamping inclined block 3.5, a linkage rod 4, an end flat punching mechanism 4.1, a portal frame 4.2, a punching head 4.3, a bearing head 4.4, a hydraulic cylinder 5 and a placing frame.

Detailed Description

The utility model will now be further elucidated with reference to the drawing.

As shown in fig. 1-4, a rapid welding fixture for a rail on a tower crane comprises a fixing plate 1, a rail clamping mold 2, a pressing mechanism 3 and an end flat stamping mechanism 4, wherein the fixing plate 1 is arranged on a placing frame 5, the placing frame 5 is fixed on the ground through a bolt, a plurality of rail clamping molds 2 are fixed on the top surface of the fixing plate 1 in a detachable fixed connection mode (namely, the rail clamping molds 2 are locked on the fixing plate 1 through the bolt), the rail to be welded and connected is clamped on the fixing plate 1 through the plurality of rail clamping molds 2, and the placing position of a pull rod is limited through the rail clamping molds 2, so that the shape and the stability of the welded rail are ensured; the pressing mechanism 3 is arranged above each handrail clamping die 2, the handrail is pressed in the handrail clamping die 2 through the pressing mechanism 3, so that the separation of welding positions due to the rotation or movement of the handrail in the welding process can be prevented, the connection stability after welding is reduced, the handrail clamped in the handrail clamping die 2 is pressed in the handrail clamping die through the pressing mechanism 3, and the condition that the welding positions are staggered due to the vertical jumping in the welding process can be prevented; be provided with the flat punching press mechanism of tip 4 on railing return bend both ends, carry out the punching press and make return bend both ends form the platykurtic to the both ends of return bend through the flat punching press mechanism of tip 4, flatten the both ends of return bend through the mode that compresses tightly automatically like this, need not the staff like this before the welding through the artifical mode of beating with the tip hammer of return bend flat.

A moving seat is fixed between the fixed plate 1 and the placing frame 5 in a welding manner (the moving seat is a linear motor, a stator of the linear motor is fixed on the placing frame 5 in a welding manner, a rotor of the linear motor is fixed on the fixed plate 1 in a welding manner, a plurality of tracks are fixed on the placing frame 5 in a welding manner, a plurality of groove bodies matched with the tracks are arranged at the bottom of the fixed plate 1, so that the fixed plate 1 moves on the tracks, the fixed plate 1 moves on the placing frame 5, the end flat punching mechanism 4 is fixed on the placing frame 5 through a portal frame 4.1 (namely, the bottom of the portal frame 4.1 is fixed on the placing frame 5 in a welding manner, the end flat punching mechanism 4 is fixed on the portal frame 4.1 in a welding manner), when the two ends of the bent pipe are required to be punched, the two ends of the bent pipe are moved to the lower part of the end flat punching mechanism 4, stamping two ends of the bent pipe into a flat shape by an end flat stamping mechanism 4; the end flat stamping mechanism 4 comprises a stamping head 4.2 and a hydraulic cylinder 4.4, a cylinder body of the hydraulic cylinder 4.4 is fixed on the portal frame 4.1 in a welding mode, a piston rod of the hydraulic cylinder 4.4 faces downwards, the stamping head 4.2 is fixed on the piston rod of the hydraulic cylinder 4.4 in a welding mode, a bearing head 4.3 vertically opposite to the stamping head 4.2 is fixed on the fixing plate 1 in a bolt fastening mode, groove bodies are respectively arranged on the bearing head 4.3 and the stamping head 4.2, the bearing head 4.3 and the stamping head 4.2 form a space which is slowly changed into a flat groove body, thus, the flat shape is formed under the stamping of the bearing head 4.3 and the stamping head 4.2, and two ends of the bent pipe are pressed into the flat shape.

The handrail clamping mould 2 comprises a mounting plate 2.1, a backup plate 2.2 and a clamping plate 2.3, wherein the mounting plate 2.1 is fixed on the fixing plate 1 through bolts, a backup plate 2.2 is fixed on the edge of one side of the mounting plate 2.1 by welding, a clamping plate 2.3 is arranged on the other side of the mounting plate 2.1 by sliding fit (namely, a sliding groove extending to the backup plate 2.2 is arranged on the mounting plate 2.1, a sliding block sliding in the sliding groove is fixed at the bottom of the clamping plate 2.3 by welding, so that the clamping plate 2.3 slides along the sliding groove, thus realizing the clamping of the railing), a spring for pulling the clamping plate 2.3 away from the backup plate 2.2 is fixed between the clamping plate 2.3 and the mounting plate 2.1 in a welding way, the clamping plate 2.3 is pulled away from the backup plate 2.2 through the spring, so that the clamping plate 2.3 loses the clamping effect on the handrail, and the finished handrail can be conveniently taken out of the handrail clamping die 2; a pressing mechanism 3 is fixed on the backup plate 2.2 by welding, the pressing mechanism 3 comprises a pressing cylinder 3.1, a linkage plate 3.2, a pressing column 3.3 and a clamping inclined block 3.4, wherein the cylinder body of the pressing cylinder 3.1 is fixed on the backup plate 2.2 by welding, a linkage plate 3.2 which swings along with the lifting of the piston rod is fixed on the piston rod of the pressing cylinder 3.1 by hinging, the middle section of the linkage rod 3.5 is hinged on the backup plate 2.2 by a connecting rod, the pressing column 3.3 is fixed below the linkage plate 3.2 by welding, the bottom of the pressing column 3.3 is pressed on the railing, the railing is pressed in the railing clamping mold 2 by the pressing column 3.3, thus the jumping during welding can be avoided, the inclined clamping inclined block 3.4 which inclines downwards is fixed on the linkage plate 3.2 above the clamping plate 2.3 by welding, when the linkage plate 3.2 descends, the inclined plane of the clamping inclined block 3.4 presses the top of the clamping inclined block 2.3.2, in this way, the clamping cam 3.4 moves the clamping plate 2.3 toward the backing plate 2.2, thus clamping the rail between the backing plate 2.2 and the clamping plate 2.3.

Claims (3)

1. A rapid welding tool for a railing on a tower crane comprises a fixing plate, railing clamping dies, a pressing mechanism and an end flat stamping mechanism, wherein the fixing plate is arranged on a placing frame; a pressing mechanism is arranged above each handrail tensioning die, and the handrail clamped in the handrail clamping die is pressed in the handrail clamping film through the pressing mechanism, so that the situation that the welding position is staggered due to vertical jumping in the welding process can be prevented; the flat end part stamping mechanisms are arranged on the two ends of the handrail bent pipe, and the two ends of the bent pipe are stamped through the flat end part stamping mechanisms, so that the two ends of the bent pipe are flat.

2. The quick welding tool for the railings on the tower crane according to claim 1, wherein a moving seat is fixed between a fixing plate and a placing frame, the fixing plate moves on the placing frame, an end flat punching mechanism is fixed on the placing frame through a portal frame, and when two ends of a bent pipe need to be punched, the two ends of the bent pipe are moved to the position below the end flat punching mechanism; the end flat stamping mechanism comprises a stamping head and a hydraulic cylinder, the hydraulic cylinder is fixed on the portal frame, a piston rod of the hydraulic cylinder faces downwards, the stamping head is fixed on the piston rod of the hydraulic cylinder, a bearing head vertically opposite to the stamping head is fixed on the fixing plate, grooves are formed in the bearing head and the stamping head, and a space formed by the bearing head and the stamping head is slowly changed into a flat groove, so that a flat shape is formed under the stamping of the bearing head and the stamping head.

3. The quick welding tool for the handrail on the tower crane according to claim 2, wherein the handrail clamping die comprises a mounting plate, a backup plate and a clamping plate, wherein the mounting plate is fixed on the fixing plate through a bolt, the backup plate is fixed on the edge of one side of the mounting plate, the clamping plate is arranged on the other side of the mounting plate in a sliding fit manner, and a spring for pulling the clamping plate to be far away from the backup plate is arranged between the clamping plate and the mounting plate; the pressing mechanism is fixed on the backup plate and comprises a pressing cylinder, a linkage plate, a pressing column and a clamping inclined block, wherein the pressing cylinder is fixed on the backup plate, a piston rod of the pressing cylinder is fixed with the linkage plate which can swing along with the piston rod in a hinged mode, the middle section of the linkage rod is hinged to the backup plate through a connecting rod, the bottom of the pressing column and the bottom of the pressing column are fixed below the linkage plate and pressed on the handrail, the clamping inclined block which inclines downwards is fixed on the linkage plate above the clamping plate, and when the linkage plate descends, the clamping inclined block presses the clamping plate to move towards the backup plate, so that the handrail is clamped between the backup plate and the clamping plate.

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