Double-box lifting appliance end beam structure tailor-welding auxiliary tool

Abstract

The utility model discloses a tailor-welding auxiliary tool for an end beam structure of a double-box lifting appliance. The tailor-welding auxiliary tool comprises an end beam splicing and welding tool jig frame, a positioning assembly and a pressing assembly. The end beam assembling and welding tool jig frame comprises supporting legs and a datum plane arranged at the tops of the supporting legs. A groove is formed in one side edge of the datum plane in the length direction; the positioning assembly comprises a positioning support, a push rod base positioning block, a bottom plate positioning base and a baffle. The positioning supports are symmetrically and evenly distributed on the two side edges of the datum plane in the width direction. The push rod seat positioning block is arranged on the other side edge of the datum plane in the length direction; the bottom plate positioning seats are symmetrically arranged on two side edges, close to the groove, of the reference plane; the baffle is arranged on the reference plane close to the bottom edge of the groove; the pressing assemblies are arranged in the middle of the datum plane and close to the two side edges of the datum plane in the length direction. The cold working size of each welding part of the lifting appliance end beam structure can be quickly positioned, and each machined and formed part is integrally welded and formed at a time.

Description

TECHNICAL FIELD

[0001] The utility model relates to port crane sling preparation technology, more specifically, relate to a double box sling end beam structure tailor-welding auxiliary tool. BACKGROUND

[0002] In the design and manufacturing process of the container sling, the end beam structure as the core component of the end beam not only supports the structural stability of the whole sling, but also is directly related to the safety and efficiency of the hoisting operation. Therefore, ensuring the high quality and reliability of the end beam structure is the key to improving the overall performance of the container sling. The preparation method of the traditional end beam structure is two kinds, one is through cold marking splicing, which has difficulty in size precision control; the other is to use a large floor boring and milling machine for reprocessing after the structure is welded and formed, which has high production cost and long production cycle. Therefore, the manufacturing of the end beam structure of the container sling may face problems such as difficulty in precision control, high cost and long production cycle, especially in the environment of high precision requirement and large-scale production. SUMMARY

[0003] In view of the defects in the prior art, the utility model aims to provide a double box sling end beam structure tailor-welding auxiliary tool, which can quickly position the cold work size of each welding part of the sling end beam structure, and integrally tailor-weld each processed part at one time, with high cold work efficiency and guaranteed key dimensions of the moving frame structure, without affecting the subsequent assembly and use of the end beam structure.

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

[0005] A double box sling end beam structure tailor-welding auxiliary tool, comprising an end beam assembly welding tool jig frame, a positioning assembly and a pressing assembly;

[0006] The end beam assembly welding tool jig frame comprises a leg, and a reference plane provided at the top of the leg;

[0007] A groove is formed on one side edge position of the length direction of the reference plane;

[0008] The positioning assembly comprises a positioning support, a push rod seat positioning block, a bottom plate positioning seat and a baffle;

[0009] The positioning support is provided with multiple sets of positioning supports, which are symmetrically and uniformly arranged on both side edge positions of the width direction of the reference plane;

[0010] The push rod seat positioning block is arranged on the other side edge position of the length direction of the reference plane;

[0011] The bottom plate positioning seat is provided with two sets of bottom plate positioning seats, which are symmetrically arranged on both side edge positions of the reference plane close to the groove;

[0012] The baffle is arranged on the reference plane near the bottom edge of the groove.

[0013] The pressing assembly is provided with multiple sets, which are arranged on the reference plane at the middle position and near the two side edges of the length direction of the reference plane.

[0014] Preferably, the groove is located at the middle position of one side edge of the length direction of the reference plane.

[0015] Preferably, the positioning support is provided with four sets.

[0016] Each set of the positioning support is provided with a positioning plate.

[0017] Preferably, the push rod seat positioning block is provided with one set, which is arranged near the middle position of the other side edge of the length direction of the reference plane.

[0018] The push rod seat positioning block is provided with a push rod shaft.

[0019] Preferably, the bottom plate positioning seat is provided with a rotating pin shaft and a top pin shaft.

[0020] Preferably, the pressing assembly includes a rocker arm, a screw rod, a hand wheel and a pressing head.

[0021] The rocker arm is arranged on the reference plane.

[0022] The screw rod is arranged vertically on the rocker arm.

[0023] The hand wheel is arranged on the upper end of the screw rod.

[0024] The pressing head is arranged on the lower end of the screw rod.

[0025] Preferably, the rocker arm includes a mounting arm and a rotating arm.

[0026] The lower end of the mounting arm is arranged on the reference plane.

[0027] The rear end of the rotating arm is movably connected with the upper end of the mounting arm through a pin shaft, and is fixed through a latch.

[0028] The screw rod is arranged vertically on the front end of the rotating arm and can rotate up and down along the front end of the rotating arm.

[0029] The utility model provides a double-box spreader end beam structure welding auxiliary tooling, which first processes the dimensions of the main components into place before positioning welding before officially entering the precision processing of structural parts. It not only solves many pain points existing in traditional production methods, but also brings significant economic and social benefits to enterprises. It is an important driving force for the transformation of the container spreader manufacturing industry to high efficiency, high quality and low cost. It can also quickly locate the cold working dimensions of each welded part of the spreader end beam structure, and can weld all the processed parts into a whole at one time. The cold working efficiency is high, and it can ensure the key dimensions of the mobile frame structure, which will not affect the subsequent assembly and use of the end beam structure. At the same time, it also has the following beneficial effects:

[0030] 1) In the auxiliary welding fixture for the end beam structure of the double-lift spreader of the present invention, the rear reinforcement plate, the bottom plate, and the push rod support positioning seat have a fixed position relationship, which can accurately and quickly complete the welding positioning, helping to improve the efficiency of cold working operations;

[0031] 2) The dimensions of each part of the tailor-welded auxiliary tooling for the end beam structure of the double-lift spreader of the utility model can be processed to the required size, and no processing allowance is required for processing and manufacturing the overall structure, thereby reducing production costs;

[0032] 3) The auxiliary tooling for welding the end beam structure of the double-box spreader of the present invention can effectively detect the eligibility of the processing dimensions of each part according to the positioning dimensions through the positioning components of the rear bottom plate positioning seat and the push rod seat positioning block, thereby improving the quality of the end beam structure manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the main view of the auxiliary tooling for welding the end beam structure of the double-box spreader of the utility model;

[0034] Figure 2 This is a top view schematic diagram of the auxiliary tooling for welding the end beam structure of the double-box spreader of the utility model;

[0035] Figure 3 This is a left-side schematic diagram of the auxiliary tooling for welding the end beam structure of a double-box spreader of the present invention;

[0036] Figure 4 It is a schematic diagram of the end beam structure product. DETAILED DESCRIPTION

[0037] In order to better understand the above technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0038] Combine Figures 1 to 3 As shown, the utility model provides an auxiliary tool for welding the end beam structure of a double-box spreader, which includes an end beam assembly welding tool frame, a positioning component and a pressing component.

[0039] The end beam assembly and welding tool jig frame comprises a supporting leg 1 and a reference plane 2 installed on the top of the supporting leg 1.

[0040] A groove 3 is arranged at the middle position of one side edge of the reference plane 2 in the length direction.

[0041] The positioning assembly comprises a positioning support 4, a push rod seat positioning block 5, a bottom plate positioning seat 6 and a baffle 7.

[0042] The positioning support 4 is arranged in four sets and symmetrically arranged on both side edges of the reference plane 2 in the width direction.

[0043] Each set of the positioning support 4 is provided with a positioning plate 8.

[0044] The push rod seat positioning block 5 is arranged in one set and installed on the other side edge of the reference plane 2 in the length direction close to the middle position.

[0045] The push rod seat positioning block 5 is provided with a push rod shaft 9.

[0046] The bottom plate positioning seat 6 is arranged in two sets and symmetrically installed on both side edges of the reference plane 2 close to the groove 3.

[0047] The bottom plate positioning seat 6 is provided with a rotating pin shaft 10 and a top pin shaft 21.

[0048] The baffle 7 is arranged in multiple sets and sequentially arranged and installed along the bottom edge of the reference plane 2 close to the groove 3.

[0049] The pressing assembly is arranged in multiple sets and respectively installed on the middle position of the reference plane 2 and close to both side edges of the reference plane 2 in the length direction.

[0050] The pressing assembly comprises a rocker arm 11, a screw rod 12, a hand wheel 13 and a pressing head 14.

[0051] The rocker arm 11 comprises an installation arm and a rotating arm.

[0052] The lower end of the rotating arm is installed on the reference plane 2.

[0053] The rear end of the rotating arm is movably connected with the upper end of the installation arm through a pin shaft 15 and a check ring 16 and is fixed through a plug pin.

[0054] The screw rod 12 is vertically installed on the front end position of the rotating arm and can be rotated and moved up and down along the front end of the rotating arm.

[0055] The hand wheel 13 is installed on the upper end of the screw rod 12 and the pressing head 14 is installed on the lower end of the screw rod 12.

[0056] The positioning support 4, the push rod seat positioning block 5 and the bottom plate positioning seat 6 are simultaneously used in the double-box lifting appliance end beam structure assembly and welding auxiliary tool to position the key components of the end beam structure product.

[0057] In combination Figure 4 As shown in the utility model double box lifting appliance end beam structure tailor-welding auxiliary tool in actual use: the parts of the positioning end beam structure product are processed in advance, the size of each part is ensured to be accurate, then the bending plate A17 and the bending plate B18 on the end beam structure product are tailor-welded to form a box body, and the box body is positioned on the reference plane 2 of the end beam assembly welding tool jig through the pressing assembly, the positioning support 4 and the baffle 7, since the pressing assembly is connected to the reference plane 2 of the end beam assembly welding tool jig through the rocker arm 11 and the pin shaft 15, the pressing state can be adjusted in size according to the actual tailor-welding forming state of the box body.

[0058] Since the positioning support 4 and the baffle 7 are positioned on the reference plane 2 through the key groove, the positioning size of the end beam structure product can be ensured. Then, according to the overall structure size and the part size of the end beam structure product, the reinforcing plate 19, the bottom plate 20 and the push rod seat positioning block 5 on the end beam structure product are welded through the bottom plate positioning seat 6 and the push rod seat positioning block 5. The above-mentioned mode can quickly and accurately position the welding positioning of each part, complete the cold work operation, has high work efficiency, and can ensure the relative position relationship of each part welding, and will not affect the subsequent installation.

[0059] Embodiment

[0060] Referring again to Figures 1 to 4 As shown in the utility model double box lifting appliance end beam structure tailor-welding auxiliary tool, the positioning support 4, the push rod seat positioning block 5 and the bottom plate positioning seat 6 are installed and fixed on the reference plane 2 of the end beam assembly welding tool jig through the key groove, the position between the push rod seat positioning block 5 and the bottom plate positioning seat 6 is fixed, there is a corresponding size relationship and cannot be adjusted. Each set of pressing assembly is installed on the reference plane 2 of the end beam assembly welding tool jig, has an adjusting assembly and a fastening assembly.

[0061] The rotating pin shaft 10, the top pin shaft 21 and the push rod shaft 9 are positioning parts that can accurately position the parts of the end beam structure product. The reinforcing plate 19, the bottom plate 20, the top pin pad 22, the push rod seat 23 and the guide plate bottom plate 24 on the end beam structure product are processed according to the parts process card to ensure that the size processing meets the requirements of the drawing. In this embodiment, the bending plate A17 and the bending plate B18 are welded to form a box body (hereinafter referred to as: box body) and are placed on the reference plane 2 of the end beam assembly welding tool frame and are in a relatively parallel position. The box body structure is fixed by tightening the pressing components. The bottom plate positioning seat 6 uses the circular holes on the reinforcing plate 19 and the bottom plate 20 as the positioning reference, and ensures concentric positioning through the rotating pin shaft 10 and the top pin shaft 21, and positions the reinforcing plate 19 and the bottom plate 20 at the left and right ends of the box body structure. The push rod seat locating block 5 uses the circular hole on the push rod seat 23 as a reference, and the push rod shaft 9 on the push rod seat locating block 5 ensures concentric positioning, positioning the push rod seat 23 on the box structure. The positioning support 4 uses the lower plane of the guide plate bottom plate 24 as a reference, and the positioning plate 8 on the positioning support 4 is used to locate the machined surface, positioning the guide plate bottom plate 24 on the box structure.

[0062] The twin-box spreader end beam structure tailor-welding auxiliary tooling of this embodiment can be used to check the processing dimensions of the reinforcing plate 19, the base plate 20, the push rod seat 23 and the guide plate base plate 24. If there are dimensional errors in the parts processing, the positioning components cannot accurately position the parts on the box structure. The twin-box spreader end beam structure tailor-welding auxiliary tooling of this embodiment is used for positioning, and the positioning efficiency is high without affecting subsequent assembly.

[0063] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, any changes or modifications to the above embodiments will fall within the scope of the claims of the present invention.

Claims

1. A double-box spreader end beam structure tailor-welding auxiliary tool, characterized in that: The end beam assembly welding tool jig frame comprises a supporting leg and a reference plane arranged on the top of the supporting leg. The end beam assembly welding tool jig frame comprises a supporting leg and a reference plane arranged on the top of the supporting leg. A groove is arranged on the side of the reference plane. The positioning assembly comprises a positioning support, a push rod seat positioning block, a bottom plate positioning seat and a baffle. The positioning support is provided with multiple sets of positioning supports which are symmetrically arranged on both sides of the reference plane. The push rod seat positioning block is arranged on the other side of the reference plane. The bottom plate positioning seat is provided with two sets of positioning seats which are symmetrically arranged on both sides of the reference plane. The baffle is arranged on the bottom side of the reference plane. The pressing assembly is provided with multiple sets of pressing assemblies which are arranged on the middle position of the reference plane and near both sides of the reference plane.

2. The double box spreader end beam structure tailor-welding auxiliary tooling of claim 1, wherein: The groove is arranged on the middle position of the side of the reference plane.

3. The double box spreader end beam structure tailor-welding auxiliary tooling of claim 1, wherein: The positioning support is provided with four sets of positioning supports. Each set of positioning supports is provided with a positioning plate.

4. The double box spreader end beam structure tailor-welding auxiliary tooling of claim 1, wherein: The push rod seat positioning block is arranged on the other side of the reference plane. The push rod seat positioning block is provided with a push rod shaft.

5. The double box spreader end beam structure tailor-welding auxiliary tooling of claim 1, wherein: The bottom plate positioning seat is provided with a rotating pin shaft and a top pin shaft.

6. The double box spreader end beam structure stitch welding auxiliary tooling of claim 1, wherein: The pressing assembly comprises a rocker arm, a screw rod, a hand wheel and a pressing head. The rocker arm is arranged on the reference plane. The screw rod is arranged vertically on the rocker arm. The hand wheel is arranged on the upper end of the screw rod. The pressing head is arranged on the lower end of the screw rod.

7. The double box spreader end beam structure stitch welding auxiliary tooling of claim 6, wherein: The rocker arm comprises a mounting arm and a rotating arm. The lower end of the mounting arm is arranged on the reference plane. The rear end of the rotating arm is movably connected with the upper end of the mounting arm through a pin shaft and is fixed through a bolt. The screw rod is arranged vertically on the front end of the rotating arm and can rotate upward and downward along the front end of the rotating arm.

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