Tower foot welding equipment

Abstract

The utility model discloses tower foot welding equipment in the technical field of electric power iron towers. The equipment comprises a welding platform, and a positioning frame is arranged above the welding platform; the welding platform is provided with a lower positioning assembly for positioning a tower foot bottom plate, and the positioning frame is provided with an upper positioning assembly for positioning a cross-shaped tower foot. The lower positioning assembly comprises a plurality of elastic positioning parts, the size of a quadrangle defined by one elastic positioning part is the same as that of a tower foot bottom plate, the elastic positioning part is an outer positioning part, and the other elastic positioning parts located in the range defined by the outer positioning part are inner positioning parts. Each elastic positioning part comprises a plurality of inserting blocks, and the welding platform is provided with an inserting groove; a spring is arranged between the bottom of the inserting block and the bottom of the inserting groove; the tower foot bottom plate is arranged in a quadrangle defined by the outer positioning part, the four edges of the tower foot bottom plate make contact with the extending ends of the inserting blocks of the outer positioning part, and the inserting blocks of the inner positioning part make contact with the bottom of the tower foot bottom plate. The utility model has the advantage that the tower foot bottom plate is not easy to displace.

Description

TECHNICAL FIELD

[0001] The utility model relates to power iron tower technical field, especially a tower foot welding equipment. BACKGROUND

[0002] The tower foot of the power iron tower is welded into a combined part by several steel plates, including a cross tower foot and a tower foot bottom plate, the welding of the cross tower foot is generally completed first, and then the cross tower foot is welded on the tower foot bottom plate, since the structure of the tower foot directly affects the stability and service life of the power iron tower, the structure of the tower foot needs to be ensured during welding, therefore, the position of the tower foot bottom plate needs to be fixed, a bolt locking fixation is usually adopted, and then the cross tower plate is placed on the tower foot bottom plate for welding, however, during the welding process, the tower foot bottom plate is only fixed by the bolt for a long time, once the bolt is loose, the tower foot bottom plate will be displaced, thereby affecting the welding quality. SUMMARY

[0003] The utility model discloses a kind of tower foot welding equipment, which is not prone to displacement of tower foot bottom plate.

[0004] To achieve the above-mentioned utility model purposes, the tower foot welding equipment of the utility model adopts the following technical solutions:

[0005] A tower foot welding equipment includes a welding platform, a positioning frame is provided above the welding platform; the welding platform is provided with a lower positioning assembly for positioning the tower foot bottom plate, and the positioning frame is provided with an upper positioning assembly for positioning the cross tower foot; the lower positioning assembly includes a plurality of elastic positioning portions provided on the welding platform, each elastic positioning portion forms a quadrilateral, and the centers of the plurality of elastic positioning portions coincide; the quadrilateral formed by one of the elastic positioning portions has the same size as the tower foot bottom plate, and this elastic positioning portion is an outer positioning portion, and the other elastic positioning portions within the range of the outer positioning portion are inner positioning portions; each elastic positioning portion includes a plurality of insertion blocks, the welding platform is provided with insertion slots, the insertion blocks have a size suitable for the insertion slots, and the insertion blocks are inserted into the insertion slots; a spring is provided between the bottom of the insertion block and the slot bottom of the insertion slot, the upper end of the insertion block is driven by the spring to protrude from the insertion slot, and the insertion block can be completely received in the insertion slot when the spring is compressed; the tower foot bottom plate is arranged in the quadrilateral formed by the outer positioning portion, the four edges of the tower foot bottom plate are in contact with the protruding ends of the insertion blocks of the outer positioning portion, and the insertion blocks of the inner positioning portions are in contact with the bottom of the tower foot bottom plate.

[0006] Preferably, the upper positioning assembly comprises four vertically arranged positioning plates, the side surface of the positioning plate is arranged as a vertical plane, the cross section of the positioning plate is arranged as an L shape, and the four positioning plates are arranged in a central symmetrical manner; a cross-shaped positioning channel is formed between the four positioning plates, the cross-shaped pyramid foot is vertically inserted into the positioning channel, the side surface of the cross-shaped pyramid foot is in contact with the side surface of the positioning plate, and the bottom of the cross-shaped pyramid foot is in contact with the tower foot bottom plate; each positioning plate is provided with a clamping cylinder for clamping the side surface of the cross-shaped pyramid foot, the four clamping cylinders are arranged in a central symmetrical manner, the cylinder barrel of the clamping cylinder is arranged transversely on the positioning frame, the piston rod of the clamping cylinder is connected to the right-angle bend of the positioning plate, and the clamping cylinder drives the positioning plate to move transversely; the positioning plate has a right angle, and the moving direction of the positioning plate is the direction of the angle bisector of the right angle.

[0007] Preferably, the positioning plate is provided with a support, the support is provided with a threaded hole, a matched screw rod is arranged in the threaded hole, the screw rod is vertically arranged, the lower end of the screw rod abuts against the tower foot bottom plate, and the upper end of the screw rod penetrates through the support. The screw rod and the inner positioning part are cooperated to abut against the top surface and the bottom surface of the tower foot bottom plate simultaneously, the positioning of the tower foot bottom plate is improved, and the welding is guaranteed.

[0008] Preferably, the insertion block of the outer positioning part is in contact with the end of the cross-shaped pyramid foot. The outer positioning part can position the cross-shaped pyramid foot while positioning the tower foot bottom plate.

[0009] Preferably, the insertion block of the inner positioning part is compressed and deformed under the gravity of the tower foot bottom plate and is completely arranged in the insertion slot.

[0010] Preferably, the positioning frame is provided with four guide seats, each guide seat is provided with two symmetrically arranged guide grooves, the guide grooves are arranged transversely, one end of the positioning plate is slidably arranged in the guide groove of one guide seat, the other end of the positioning plate is slidably arranged in the guide groove of the adjacent guide seat, and the end of the positioning plate can move transversely along the guide groove.

[0011] Preferably, a support column is arranged between the positioning frame and the welding platform, and the support column is arranged at the four corner positions of the positioning frame.

[0012] Preferably, a space is reserved between the bottom of the positioning plate and the welding platform.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a positioning of four edges of tower foot bottom plate is carried out through outer positioning part, and the tower foot bottom plate is limited in the quadrilateral formed by outer positioning part, thereby the movement of tower foot bottom plate is limited, the fixing of tower foot bottom plate is realized, and because the multiple of the plug -in block of outer positioning part is set up, the boundary of limiting tower foot bottom plate is surrounded through multiple plug -in blocks, therefore, when one of plug -in blocks needs replacement and is damaged, does not influence the limitation of other plug -in blocks to tower foot bottom plate, thereby guarantee the fixed effect of tower foot bottom plate, and the tower foot bottom plate is not easy to produce displacement when welding, further guarantee the quality of welding.

[0015] 2. The utility model discloses the positioning of tower foot bottom plate is very convenient, only needs to be placed in the quadrilateral range formed by outer positioning part, convenient operation has practicality. DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is Figure 1 the plan view;

[0018] Figure 3 It is the section view of the utility model;

[0019] Figure 4 It is the installation schematic drawing of elastic positioning part;

[0020] Figure 5 It is the schematic drawing of the positioning of tower foot bottom plate on the welding platform.

[0021] Among them, 1 is the welding platform, 2 is the support column, 3 is the positioning frame, 4 is the jacking cylinder, 5 is the positioning plate, 6 is the guide seat, 7 is the cross tower foot, 8 is the screw rod, 9 is the plug -in block, 10 is the tower foot bottom plate, 11 is the guide groove, 12 is the support, 13 is the spring, 14 is the insertion slot, 15 is the outer positioning part, 16 is the inner positioning part. DETAILED DESCRIPTION

[0022] The utility model will be further illustrated in conjunction with specific implementation, and should understand that these implementation is only used for illustrating the utility model and is not used for limiting the scope of the utility model, and after reading the utility model, the modification of various equivalent forms of the utility model of the person skilled in the art all fall in the range defined in the application attached claim.

[0023] For example, Figures 1-5As shown, a tower foot welding device comprises a welding platform 1, a positioning frame 3 is arranged above the welding platform 1; a support column 2 is arranged between the positioning frame 3 and the welding platform 1, and the support column 2 is arranged at four corner positions of the positioning frame 3; the welding platform 1 is provided with a lower positioning assembly for positioning a tower foot bottom plate 10, and the positioning frame 3 is provided with an upper positioning assembly for positioning a cross tower foot 7; the lower positioning assembly comprises a plurality of elastic positioning portions arranged on the welding platform 1, each elastic positioning portion surrounds a quadrilateral, and the centers of the plurality of elastic positioning portions coincide; a quadrilateral surrounded by one of the elastic positioning portions is the same in size as the tower foot bottom plate 10, the elastic positioning portion is an outer positioning portion 15, and other elastic positioning portions within the range surrounded by the outer positioning portion 15 are inner positioning portions 16; each elastic positioning portion comprises a plurality of plug blocks 9, the welding platform 1 is provided with plug slots 14, the plug blocks 9 are adapted in size to the plug slots 14, and the plug blocks 9 are inserted into the plug slots 14; a spring 13 is arranged between the bottom of the plug block 9 and the slot bottom of the plug slot 14, one end of the spring 13 is connected to the slot bottom of the plug slot 14, the other end of the spring 13 is connected to the plug block 9, the spring 13 drives the upper end of the plug block 9 to protrude out of the plug slot 14, and the plug block 9 can be completely received in the plug slot 14 when the spring 13 is compressed; the tower foot bottom plate 10 is arranged in the quadrilateral surrounded by the outer positioning portion 15, the four edges of the tower foot bottom plate 10 are in contact with the protruding ends of the plug blocks 9 of the outer positioning portion 15, and the protruding ends of the plug blocks 9 of the outer positioning portion 15 are also in contact with the end portions of the cross tower foot 7; the plug blocks 9 of the inner positioning portions 16 are deformed by compressing the springs 13 under the gravity of the tower foot bottom plate 10 and are completely received in the plug slots 14, and the plug blocks 9 of the inner positioning portions 16 are in contact with the bottom of the tower foot bottom plate 10; the upper positioning assembly comprises four positioning plates 5 arranged vertically, a spacing is left between the bottom of the positioning plate 5 and the welding platform 1, the side surface of the positioning plate 5 is arranged as a vertical plane, the cross section of the positioning plate 5 is arranged as an L shape, and the four positioning plates 5 are arranged in a central symmetrical manner; a cross-shaped positioning channel is formed between the four positioning plates 5, the cross tower foot 7 is vertically inserted into the positioning channel, the side surface of the cross tower foot 7 is in contact with the side surface of the positioning plate 5, and the bottom of the cross tower foot 7 is in contact with the tower foot bottom plate 10; each positioning plate 5 is provided with a jacking cylinder 4 for jacking the positioning plate 5 against the side surface of the cross tower foot 7, the four jacking cylinders 4 are arranged in a central symmetrical manner, the cylinder barrel of the jacking cylinder 4 is arranged horizontally on the positioning frame 3, the piston rod of the jacking cylinder 4 is connected to the right-angle bend of the positioning plate 5, and the jacking cylinder 4 drives the positioning plate 5 to move horizontally; the positioning plate 5 has a right angle, and the moving direction of the positioning plate 5 is the angle bisector direction of the right angle; the positioning frame 3 is provided with four guide seats 6, each guide seat 6 is provided with two symmetrically arranged guide slots 11, the guide slots 11 are arranged horizontally, one end of the positioning plate 5 is slidably installed in the guide slot 11 of one of the guide seats 6, the other end of the positioning plate 5 is slidably installed in the guide slot 11 of the adjacent other guide seat 6, and the end portion of the positioning plate 5 can move horizontally along the guide slot 11.The positioning plate 5 is provided with a support 12, the support 12 is provided with a threaded hole, a matched screw rod 8 is installed in the threaded hole, the screw rod 8 is vertically installed, the lower end of the screw rod 8 abuts against the tower foot bottom plate 10, and the upper end of the screw rod 8 penetrates through the support 12.

[0024] The specific working process and principle of the utility model are as follows: firstly, the tower foot bottom plate 10 is placed in the quadrilateral surrounded by the outer positioning part 15, four edges of the tower foot bottom plate 10 are in contact with the protruding end of the plug-in block 9 of the outer positioning part 15, and under the action of gravity, the tower foot bottom plate 10 deforms the spring 13 of the inner positioning part 16 and completely stores the plug-in block 9 of the inner positioning part 16 in the insertion slot 14, at this time, the tower foot bottom plate 10 is in contact with the welding platform 1, and the tower foot bottom plate 10 is limited on the welding platform 1; then the cross-shaped tower foot 7 is placed on the tower foot bottom plate 10, and the four jacking cylinders 4 are driven to work, and the four positioning plates 5 are driven by the four jacking cylinders 4 to clamp the cross-shaped tower foot 7; the screw rod 8 is rotated, so that the lower end of the screw rod 8 abuts against the tower foot bottom plate 10, the top surface and the bottom surface of the tower foot bottom plate 10 are simultaneously abutted, the positioning of the tower foot bottom plate is improved, and the welding is guaranteed.

[0025] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model.

[0026] In the utility model, unless otherwise specified and limited, the terms "mounting", "setting", "connecting", "fixing", "threading" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or can be integrated, can be mechanically connected, or can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise specified, the above-mentioned terms in the utility model can be understood according to the specific meaning of the above-mentioned terms in the utility model according to the specific situation.

[0027] The above description shows and describes the preferred embodiments of the present application, as mentioned before, it should be understood that the present application is not limited to the form disclosed herein, should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the application conceived herein, through the above teaching or related technical or knowledge. And the changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the present application, and should be within the protection scope of the claims of the present application.

Claims

1. A tower leg welding apparatus, characterized by: The welding platform is provided with a positioning frame above it; the welding platform is provided with a lower positioning assembly for positioning the tower foot bottom plate, and the positioning frame is provided with an upper positioning assembly for positioning the cross-shaped tower foot; the lower positioning assembly comprises a plurality of elastic positioning portions arranged on the welding platform, each of which is arranged in a quadrilateral shape, and the centers of the plurality of elastic positioning portions coincide with each other; one of the elastic positioning portions is arranged in a quadrilateral shape with the same size as the tower foot bottom plate, and is an outer positioning portion; the other elastic positioning portions within the range of the outer positioning portion are inner positioning portions; each of the elastic positioning portions comprises a plurality of insertion blocks, and the welding platform is provided with insertion slots, the size of the insertion blocks being matched with the size of the insertion slots, and the insertion blocks being inserted into the insertion slots; a spring is arranged between the bottom of the insertion block and the bottom of the insertion slot, and the spring drives the upper end of the insertion block to protrude out of the insertion slot; the insertion block can be completely accommodated in the insertion slot when the spring is compressed; the tower foot bottom plate is arranged in the quadrilateral shape formed by the outer positioning portion, and the four edges of the tower foot bottom plate are in contact with the protruding ends of the insertion blocks of the outer positioning portion; the insertion blocks of the inner positioning portions are in contact with the bottom of the tower foot bottom plate.

2. The tower foot welding apparatus of claim 1, wherein: The upper positioning assembly comprises four vertically arranged positioning plates, the side surface of each positioning plate is arranged as a vertical plane, the cross section of each positioning plate is arranged as an L shape, and the four positioning plates are arranged in a center-symmetrical manner; the four positioning plates form a cross-shaped positioning channel therebetween, the cross-shaped tower foot is vertically inserted into the positioning channel, the side surface of the cross-shaped tower foot is in contact with the side surface of the positioning plate, and the bottom of the cross-shaped tower foot is in contact with the tower foot bottom plate; each positioning plate is provided with a jacking cylinder for jacking it against the side surface of the cross-shaped tower foot, and the four jacking cylinders are arranged in a center-symmetrical manner; the cylinder barrel of the jacking cylinder is transversely arranged on the positioning frame, the piston rod of the jacking cylinder is connected to the right-angle bend of the positioning plate, and the jacking cylinder drives the positioning plate to move transversely; the positioning plate has a right angle, and the moving direction of the positioning plate is the angle bisector direction of the right angle.

3. The tower foot welding apparatus of claim 2, wherein: The positioning plate is provided with a support, the support is provided with a threaded hole, a matching screw rod is installed in the threaded hole, and the screw rod is vertically installed; the lower end of the screw rod abuts against the tower foot bottom plate, and the upper end of the screw rod penetrates through the support.

4. The tower foot welding apparatus of claim 1, wherein: The protruding end of the insertion block of the outer positioning portion is in contact with the end of the cross-shaped tower foot.

5. The tower foot welding apparatus of claim 1, wherein: The insertion block of the inner positioning portion is deformed under the gravity of the tower foot bottom plate and is completely accommodated in the insertion slot.

6. The tower foot welding apparatus of claim 2, wherein: The positioning frame is provided with four guide seats, each of which is provided with two symmetrically arranged guide slots; the guide slots are transversely arranged; one end of the positioning plate is slidably installed in the guide slot of one of the guide seats, and the other end of the positioning plate is slidably installed in the guide slot of the adjacent guide seat; the end of the positioning plate can move transversely along the guide slot.

7. The tower foot welding apparatus of claim 1, wherein: A support column is arranged between the positioning frame and the welding platform, and the support column is arranged at the four corner positions of the positioning frame.

8. The tower foot welding apparatus of claim 2, wherein: There is a space between the bottom of the positioning plate and the welding platform.

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