Welding tool for integral assembly of ladder frame of scaling ladder

Abstract

The utility model discloses an aerial ladder frame integral assembly welding tool which comprises a welding platform, a transverse end face fixing clamp and a longitudinal end face positioning clamp are arranged on the welding platform, the transverse size of the welding platform is larger than the longitudinal size, and the transverse end face fixing clamp is used in cooperation with the longitudinal end face positioning clamp. The positioning and clamping device is used for positioning and clamping scaling ladder assembly workpieces so as to complete overall assembly welding of the scaling ladder assembly workpieces. The multiple transverse end face fixing clamps are detachably connected to the transverse side of the welding platform, and the multiple transverse end face fixing clamps and the end face of the transverse side of the scaling ladder assembly workpiece are clamped in a matched mode. The number of the longitudinal end face positioning clamps is one, one longitudinal end face positioning clamp is detachably connected to one longitudinal side of the welding platform, and the end face of one longitudinal side of the scaling ladder assembly workpiece abuts against the longitudinal end face positioning clamps. The device is high in universality, accurate in positioning and capable of being leveled, stable clamping of scaling ladder assembly workpieces is achieved, and welding deviation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the welding equipment technical field of aerial ladder fire engine, specifically relates to a kind of whole group of aerial ladder rack welding tool. BACKGROUND

[0002] The welding precision of the aerial ladder rack of the aerial ladder fire engine, as a core load-bearing component, directly affects the safety and stability of the whole vehicle. Currently, the aerial ladder fire engines produced on the market cover various models such as YT25 meters, YT32 meters and YT42 meters, each with an aerial ladder rack of different length. The existing aerial ladder rack welding tool is mostly designed for a single model, with poor universality, and cannot adapt to the welding needs of aerial ladder racks of different lengths, resulting in low production efficiency and high cost. In addition, the traditional tool lacks high-precision leveling and positioning functions, and is prone to deformation during welding, affecting the straightness and dimensional accuracy of the aerial ladder rack. Therefore, there is an urgent need to develop a universal, accurate and adjustable whole group of aerial ladder rack welding tool to meet the high-quality welding needs of the 20-meter to 60-meter full series of aerial ladder racks. SUMMARY

[0003] The utility model is aimed at the above problems, makes up for the deficiency of prior art, and provides a whole group of aerial ladder rack welding tool.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions.

[0005] The utility model provides a whole group of aerial ladder rack welding tool, which comprises a welding platform, a horizontal end face fixing clamp and a longitudinal end face positioning clamp are arranged on the welding platform, the horizontal dimension of the welding platform is greater than the longitudinal dimension, the horizontal end face fixing clamp is used in cooperation with the longitudinal end face positioning clamp to position and clamp the aerial ladder rack workpiece, so as to complete the whole group of aerial ladder rack workpiece welding.

[0006] The horizontal end face fixing clamp is provided with a plurality of horizontal end face fixing clamps, which are detachably connected to one side of the welding platform in the horizontal direction, and the horizontal end face fixing clamps are used in cooperation with the horizontal side end face of the aerial ladder rack workpiece. The longitudinal end face positioning clamp is provided with one longitudinal end face positioning clamp, which is detachably connected to one side of the welding platform in the longitudinal direction, and the longitudinal side end face of the aerial ladder rack workpiece abuts against the longitudinal end face positioning clamp.

[0007] Further, a position adjusting hole is arranged between the two adjacent horizontal end face fixing clamps on the welding platform, which is used to adjust the position of the horizontal end face fixing clamp on one side of the welding platform in the horizontal direction, so as to adapt to aerial ladder rack workpieces of different sizes.

[0008] Further, the welding platform is provided with leveling feet on the bottom of the two lateral sides, and lifting lugs are arranged on the surface of the two lateral sides of the welding platform.

[0009] Further, the lateral end face fixing clamp comprises a first stand, a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are connected to the first stand, and the first clamping piece is arranged opposite to the second clamping piece.

[0010] Further, the first clamping piece comprises a moving seat, a first clamping plate, the moving seat is slidably connected to the first stand, and the moving seat is sequentially provided with a first tensioning screw, a first clamping load-bearing screw and a first jacking bolt from top to bottom; one end of the first tensioning screw is threadedly connected to the moving seat, the other end of the first tensioning screw is connected to the side surface of the first clamping plate, one end of the first clamping load-bearing screw is threadedly connected to the moving seat, the other end of the first clamping load-bearing screw penetrates through the first clamping plate and is connected with a first locking nut at the end, and one end of the first jacking bolt is threadedly connected to the moving seat, and the other end of the first jacking bolt is arranged opposite to the first clamping plate.

[0011] Further, the second clamping piece is located directly below the first clamping piece, the second clamping piece comprises a second clamping plate, a second tensioning screw, a second clamping load-bearing screw, a second jacking bolt and an adjustable jacking seat, the second tensioning screw, the second clamping load-bearing screw and the adjustable jacking seat are sequentially arranged on the first stand from bottom to top, and one end of the second jacking bolt is threadedly connected to the adjustable jacking seat; one end of the second tensioning screw is rotatably connected to the side surface of the first stand, the other end of the second tensioning screw penetrates through the second clamping plate and is threadedly connected with the second clamping plate, one end of the second clamping load-bearing screw is connected to the side surface of the first stand, the other end of the second clamping load-bearing screw penetrates through the second clamping plate and is connected with a second locking nut at the end, and the other end of the second jacking bolt is arranged opposite to the second clamping plate.

[0012] Further, the adjustable jacking seat arranged above the second jacking bolt is provided with a strip-shaped through hole, and the adjustable jacking seat is connected to the first stand through the strip-shaped through hole and the adjusting bolt.

[0013] Further, the longitudinal end face positioning clamp comprises a second stand, a positioning beam and a connecting piece, two second stands are arranged in parallel and symmetrically on one side of the welding platform in the longitudinal direction, and the positioning beam is vertically and fixedly installed between the two second stands through the connecting piece.

[0014] Further, the connecting piece comprises an adapter plate, a third tensioning screw, a tensioning adjusting nut and a third jacking bolt, the adapter plate is fixedly arranged on the upper portions of the two second stands in opposition to each other, the adapter plate is fixedly connected with the positioning beam through the third tensioning screw and the tensioning adjusting nut, and the third jacking bolt for jacking the positioning beam is arranged on each adapter plate.

[0015] The welding platform has the advantages that

[0016] The utility model provides a kind of ladder truck ladder frame whole group butt welding tool, by detachable transverse end face fixed clamp and the design of position adjusting hole, the utility model tool can be adapted to 20 meters to 60 meters different length of ladder truck ladder frame workpiece welding, significantly reduce equipment investment cost, and it is strong in versatility;By the synergistic effect of longitudinal end face positioning clamp and transverse end face fixed clamp, the accurate alignment of ladder truck ladder frame workpiece in horizontal and vertical direction can be ensured, and welding deformation is reduced;The welding platform is equipped with leveling foot and lifting lug, which not only ensures the horizontal of working plane, but also facilitates the lifting and transfer of the utility model tool, improves the convenience of operation.

[0017] Among them, the transverse end face fixed clamp adopts the upper and lower split type clamping structure of the first clamping piece and the second clamping piece, and through the multi-point linkage of the first tensioning screw, the first jacking bolt, the first clamping load-bearing screw of the first clamping piece and the second tensioning screw, the second jacking bolt and the second clamping load-bearing screw of the second clamping piece, the stable clamping of the ladder truck ladder frame workpiece is realized, and welding deviation is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a three-dimensional structure schematic view of the utility model of a kind of ladder truck ladder frame whole group butt welding tool.

[0019] Figure 2 is the structure schematic view of the utility model of a kind of ladder truck ladder frame whole group butt welding tool after clamping ladder truck ladder structural member.

[0020] Figure 3 is the structure schematic view of A part in Figure 2 .

[0021] Figure 4 is the structure schematic view of B part in Figure 2 .

[0022] Figure 5 is the structure schematic view of C part in Figure 2 .

[0023] Figure 6 is the overhead structure schematic view of the utility model of a kind of ladder truck ladder frame whole group butt welding tool.

[0024] Figure 7 is the side view structure schematic view of the utility model of a kind of ladder truck ladder frame whole group butt welding tool.

[0025] Marked in the figure: 1 is welding platform, 2 is position adjusting hole, 3 is leveling foot, 4 is lifting lug, 5 is transverse end face fixed clamp, 6 is ladder truck ladder frame workpiece, 7 is longitudinal end face positioning clamp;

[0026] 501 is a first stand, 502 is a first clamping plate, 503 is a second clamping plate, 504 is a moving seat, 505 is a first tensioning screw, 506 is a first clamping load-bearing screw, 507 is a first jacking bolt, 508 is a first locking nut, 509 is an adjustable jacking seat, 510 is an adjusting bolt, 511 is a strip-shaped through hole, 512 is a second jacking bolt, 513 is a second clamping load-bearing screw, 514 is a second tensioning screw, and 515 is a second locking nut.

[0027] 701 is a tensioning adjusting nut, 702 is an adapter plate, 703 is a third tensioning screw, 704 is a third jacking bolt, and 706 is a second stand. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clearly understood, the utility model will be further described in detail below in combination with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0029] In combination with Figures 1 to 7 the drawings, the utility model embodiment provides a whole set of welding tool for a ladder frame of a cloud ladder, which comprises a welding platform 1. A plurality of horizontal end face fixing clamps 5 are arranged on one horizontal side of the welding platform 1. A longitudinal end face positioning clamp 7 is fixedly installed on one longitudinal side of the welding platform 1. The horizontal dimension of the welding platform 1 is greater than the longitudinal dimension, so as to adapt to the long strip structure of the ladder frame workpiece 6 of the cloud ladder. The horizontal end face fixing clamps 5 are connected with the welding platform 1 through bolts. The position adjusting holes 2 between adjacent clamps can be used to adjust the distance between the horizontal end face fixing clamps 5, so as to match the ladder frame workpieces 6 of different lengths. The welding platform 1 is provided with leveling feet 3 at the bottom. The leveling feet 3 are rotated to adjust the levelness of the welding platform 1. The welding platform 1 is welded with lifting lugs 4 on the side face, so as to facilitate hoisting and carrying.

[0030] Specifically, the first stand 501 of the transverse end face fixing clamp 5 is provided with a first clamping piece and a second clamping piece which are split into two parts; the moving seat 504 of the first clamping piece is connected with the first clamping plate 502 through the first tensioning screw 505 and the first clamping load bearing screw 506, and the first jacking bolt 507 is used to further jack up the upper part of the ladder frame workpiece 6 to achieve clamping and load bearing; the second clamping piece is connected with the second clamping plate 503 through the second tensioning screw 514 and the second clamping load bearing screw 513, and the second jacking bolt 512 on the adjustable jacking seat 509 is used to further jack up the lower part of the ladder frame workpiece 6. The second stand 706 of the longitudinal end face positioning clamp 7 is connected with the positioning beam 705 through the adapter plate 702, the third tensioning screw 703 and the tensioning adjusting nut 701 are used to ensure the perpendicularity of the positioning beam 705, and the third jacking bolt 704 is used to finely adjust the fitting degree of the positioning beam 705 and the end face of the ladder frame workpiece 6. The adjustable jacking seat 509 and the strip-shaped through hole 511 are designed to allow fine adjustment of the clamping position, adapt to ladder frame workpieces 6 of different cross-sectional sizes, and enhance the adaptability of the tooling.

[0031] The use method of the technical scheme and the drawings of the utility model is described as follows:

[0032] Step 1, leveling and fixing: the welding platform 1 is leveled through the leveling feet 3 to ensure the accuracy of the welding operation reference surface.

[0033] Step 2, positioning of the ladder frame workpiece 6: the longitudinal end face of the ladder frame workpiece 6 is aligned with the positioning beam 705 of the longitudinal end face positioning clamp 7 and is tightly pressed, and the transverse end face of the ladder frame workpiece 6 is placed between the first clamping piece and the second clamping piece of the transverse end face fixing clamp 5.

[0034] Step 3, clamping operation: the first tensioning screw 505 and the second tensioning screw 514 are rotated to clamp the upper and lower parts of the ladder frame workpiece 6 by the first clamping plate 502 and the second clamping plate 503; the first locking nut 508 of the first clamping load bearing screw 506 and the second locking nut 515 of the second clamping load bearing screw 513 are tightened to enhance the load bearing stability; the first jacking bolt 507 and the second jacking bolt 512 are further used to jack up the ladder frame workpiece 6 to eliminate the gap.

[0035] Step 4, fine adjustment and adaptation: if the size of the ladder frame workpiece 6 changes, the adjustable jacking seat 509 is adjusted by moving the adjusting bolt 510 along the strip-shaped through hole 511, or the installation position of the transverse end face fixing clamp 5 in the position adjusting hole 2 is adjusted.

[0036] Step 5, welding and disassembly: after the welding is completed, the first clamping piece and the second clamping piece of the transverse end face fixing clamp 5 are loosened, and the ladder frame workpiece 6 is lifted and removed.

[0037] It can be understood that the above specific description of the utility model is only used for illustrating the utility model and is not limited to the technical scheme described in the utility model embodiment, and the person skilled in the art should understand that the utility model can still be modified or equivalently replaced to achieve the same technical effect, as long as the use needs are met, it is within the protection scope of the utility model.

Claims

1. A turntable ladder ladder section butt weld fixture, characterized by: The application relates to a welding platform which is provided with transverse end face fixing clamps and longitudinal end face positioning clamps, the transverse dimension of the welding platform is larger than the longitudinal dimension, the transverse end face fixing clamps are used in cooperation with the longitudinal end face positioning clamps to position and clamp ladder frame workpieces so as to complete overall assembly and butt welding of the ladder frame workpieces. The transverse end face fixing clamps are detachably connected to one side of the welding platform in the transverse direction, and the transverse end face fixing clamps are used to clamp the end face of one side of the ladder frame workpiece in the transverse direction; the longitudinal end face positioning clamp is detachably connected to one side of the welding platform in the longitudinal direction, and the end face of one side of the ladder frame workpiece is abutted against the longitudinal end face positioning clamp.

2. The whole set of butt welding tooling for the ladder rack of the turntable ladder according to claim 1, characterized in that: Position adjusting holes are arranged between two adjacent transverse end face fixing clamps on the welding platform, and the position of the transverse end face fixing clamps on one side of the welding platform in the transverse direction is adjusted.

3. The whole set of butt welding tooling for the ladder rack of the turntable ladder according to claim 1, characterized in that: Leveling feet are arranged on the bottom of the welding platform in the transverse direction, and lifting lugs are arranged on the surface of the welding platform in the transverse direction.

4. The whole set of butt welding tooling for the ladder rack of the turntable ladder according to claim 1, characterized in that: The transverse end face fixing clamp comprises a first vertical stand, a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are connected to the first vertical stand, and the first clamping piece is arranged opposite to the second clamping piece.

5. The whole set of butt welding tooling for the ladder rack of a turntable ladder according to claim 4, characterized in that: The first clamping piece comprises a moving seat and a first clamping plate, the moving seat is slidably connected to the first vertical stand, and a first tensioning screw, a first clamping load bearing screw and a first jacking bolt are sequentially arranged on the moving seat from top to bottom; one end of the first tensioning screw is threadedly connected to the moving seat, the other end of the first tensioning screw is connected to the side surface of the first clamping plate, one end of the first clamping load bearing screw is threadedly connected to the moving seat, the other end of the first clamping load bearing screw penetrates through the first clamping plate and is connected with a first locking nut at the end, one end of the first jacking bolt is threadedly connected to the moving seat, and the other end of the first jacking bolt is arranged opposite to the first clamping plate.

6. The whole set of butt welding tooling for the ladder rack of a turntable ladder according to claim 4, characterized in that: The second clamping piece is located directly below the first clamping piece, and the second clamping piece comprises a second clamping plate, a second tensioning screw, a second clamping load bearing screw, a second jacking bolt and an adjustable jacking seat, the second tensioning screw, the second clamping load bearing screw and the adjustable jacking seat are sequentially arranged on the first vertical stand from bottom to top, and one end of the second jacking bolt is threadedly connected to the adjustable jacking seat; one end of the second tensioning screw is rotatably connected to the side surface of the first vertical stand, the other end of the second tensioning screw penetrates through the second clamping plate and is threadedly connected with the second clamping plate, one end of the second clamping load bearing screw is connected to the side surface of the first vertical stand, the other end of the second clamping load bearing screw penetrates through the second clamping plate and is connected with a second locking nut at the end, and the other end of the second jacking bolt is arranged opposite to the second clamping plate.

7. The whole set of butt welding tooling for the ladder rack of a turntable ladder according to claim 6, characterized in that: A strip-shaped through hole is arranged on the adjustable jacking seat above the second jacking bolt, and the adjustable jacking seat is connected to the first vertical stand through the strip-shaped through hole.

8. The whole set of butt welding tooling for the ladder rack of a turntable ladder according to claim 1, characterized in that: The longitudinal end face positioning clamp comprises a second vertical stand, a positioning beam and a connecting piece, two second vertical stands are arranged in parallel and symmetrically on one side of the welding platform in the longitudinal direction, and the positioning beam is perpendicularly and fixedly installed between the two second vertical stands through the connecting piece.

9. The whole set of butt welding tooling for a ladder platform of a turntable ladder according to claim 8, characterized in that: The connecting piece comprises adapter plates, third tensioning screws, tensioning adjusting nuts, and third jacking bolts; the adapter plates are fixedly arranged on the upper portions of the two second stands in opposition to each other; each adapter plate is fixedly connected with the positioning beam through the third tensioning screw and the tensioning adjusting nut; and the third jacking bolt for jacking the positioning beam is further arranged on each adapter plate.

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