Tool for spot welding of crawling ladder legs

Abstract

The utility model provides a tool for spot welding of a ladder stand leg, which comprises a plurality of positioning plates used for positioning a vertical pipe of the ladder stand leg in the horizontal direction; the supporting plates are used for supporting the ladder stand leg bottom plate, and the number of the supporting plates is multiple; the positioning plate and the supporting plate are both connected to the bottom plate in an inserted mode, and a working position for fixing the ladder stand leg bottom plate and the ladder stand leg vertical pipe to the designated position is formed between the supporting plate and the positioning plate; the connecting plate is connected to the positioning plate in an inserted mode, and a clamping position used for clamping a ladder stand leg bottom plate and a ladder stand leg vertical pipe is formed between the connecting plate and the working position. The ladder stand leg bottom plate and the ladder stand leg vertical pipe are positioned through the positioning plate, the supporting plate and the connecting plate, the assembling process is simplified, welding of workers is facilitated, welding stability is guaranteed, and welding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to construction auxiliary device field, especially, a kind of frock for ladder leg spot welding is involved. BACKGROUND

[0002] Ladder needs to be fixed in working position in the process of use, for the working condition that often uses or does not need to change the position of ladder, ladder needs to be fixed in the vicinity of working position by connecting piece, in prior art, ladder leg is often used to fix ladder, ladder leg is formed by a ladder leg vertical pipe and a ladder leg bottom plate, and through hole for fixing is formed on ladder leg bottom plate;

[0003] In the welding process of current ladder leg, ladder leg bottom plate and ladder leg vertical pipe are assembled and welded by artificial method, i.e., the ladder leg bottom plate is placed on platform by worker, and ladder leg vertical pipe is held in the position to be welded by hand, then ladder leg is welded, in this process, because the stability of hand is poor, welding quality is low, and in view of the fact that the judgment of size and distance of worker is inaccurate, the position of welding is prone to shift, which leads to the shift of welding of two parts of ladder leg, and then it is difficult to align in the process of installation of ladder. SUMMARY

[0004] Therefore, the utility model aims at providing a frock for ladder leg spot welding to solve at least one of the above technical problems.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A frock for ladder leg spot welding, comprising:

[0007] Positioning plate, the positioning plate is used for positioning ladder leg vertical pipe in horizontal direction, and the positioning plate is provided with multiple;

[0008] Supporting plate, the supporting plate is used for supporting ladder leg bottom plate, and the supporting plate is provided with multiple;

[0009] Bottom plate, the positioning plate and the supporting plate are inserted into the bottom plate, and the supporting plate and the positioning plate form a working position for fixing ladder leg bottom plate and ladder leg vertical pipe in specified position.

[0010] Connecting plate, the connecting plate is inserted into the positioning plate, and the connecting plate and the working position form a clamping position for clamping ladder leg bottom plate and ladder leg vertical pipe.

[0011] Further, a pair of L-shaped plates are inserted into the bottom plate, two L-shaped plates are located on both sides of the bottom plate respectively, the positioning plate and the supporting plate are inserted into the L-shaped plate, and two L-shaped plates are located at both ends of the positioning plate or the supporting plate respectively.

[0012] Furthermore, connecting blocks are fixed at both ends of the support plate, and connecting grooves corresponding to the connecting blocks are opened on the L-shaped plate, with the connecting blocks located inside the connecting grooves;

[0013] The positioning plate has locking blocks fixed at both ends, and the L-shaped plate has a corresponding slot. The locking blocks are located inside the slots, and the positioning plate is fixedly connected to the L-shaped plate.

[0014] Furthermore, the base plate has multiple insertion holes, and the support plate and the L-shaped plate are both fixed with insertion blocks corresponding to the insertion holes, and the insertion blocks are located inside the insertion holes.

[0015] Furthermore, the positioning plate has two arc-shaped grooves corresponding to the ladder legs. The two arc-shaped grooves are located at both ends on the same side of the positioning plate, and both arc-shaped grooves are used to position the vertical tubes of the ladder legs.

[0016] Furthermore, the support plate is provided with a limiting block, which divides the support plate into two limiting parts, left and right, both of which are used to limit the bottom plate of the ladder legs.

[0017] Furthermore, a through hole is opened in the middle of the positioning plate, and the projections of the through holes on the multiple positioning plates in the horizontal direction overlap with each other.

[0018] One end of the connecting plate is connected to a pressure tube, and the other end is bent toward the positioning plate and passes through a through hole to connect with the positioning plate. The pressure tube is pressed against the end of the ladder leg vertical tube away from the ladder leg bottom plate.

[0019] Furthermore, the positioning plate is provided with multiple positioning blocks, all located on the same side of the positioning plate, and a working position for positioning the vertical tube of the ladder leg is formed between two adjacent positioning blocks.

[0020] Furthermore, the support plate has two rectangular grooves corresponding to the bottom plate of the ladder legs. The two rectangular grooves are located at both ends on the same side of the support plate, and both rectangular grooves are used to position the bottom plate of the ladder legs.

[0021] Furthermore, one end of the connecting plate is connected to a pressure block, and the other end is bent toward the positioning plate and connected to the positioning plate through a through hole. The pressure block presses against the end of the ladder leg vertical tube away from the ladder leg bottom plate.

[0022] Compared with the prior art, the tooling for spot welding of ladder legs described in this utility model has the following beneficial effects:

[0023] The positioning plate, support plate, and connecting plate are used to position the ladder legs and ladder leg vertical tubes, simplifying the assembly process, facilitating welding for workers, ensuring welding stability, and improving welding quality. Attached Figure Description

[0024] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0025] Figure 1 This is a schematic diagram of the overall structure of a tooling for spot welding of ladder legs according to an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the positioning plate structure described in an embodiment of the present utility model;

[0027] Figure 3 This is a schematic diagram of the support plate structure described in an embodiment of the present utility model;

[0028] Figure 4 This is a schematic diagram of the base plate structure according to an embodiment of the present utility model;

[0029] Figure 5 This is a schematic diagram of the L-shaped plate structure described in an embodiment of the present utility model;

[0030] Figure 6 This is a schematic diagram of the working structure of the welding fixture described in this embodiment of the invention, used for welding the bottom plate of the ladder leg and the vertical tube of the ladder leg.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Positioning plate; 101. Arc-shaped groove; 102. Locking block; 103. Through hole; 2. Support plate; 201. Limiting block; 202. Connecting block; 3. Base plate; 301. Insertion hole; 302. Insertion block; 4. Connecting plate; 401. Pressure tube; 5. L-shaped plate; 501. Connecting groove; 502. Locking groove. Detailed Implementation

[0033] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0034] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0037] like Figures 1-6 As shown: A tooling for spot welding ladder legs, comprising:

[0038] Positioning plate 1, the positioning plate 1 is used to position the vertical tube of the ladder leg in the horizontal direction, and multiple positioning plates 1 are provided;

[0039] Support plate 2, the support plate 2 is used to support the bottom plate of the ladder legs, and multiple support plates 2 are provided;

[0040] The base plate 3, the positioning plate 1 and the support plate 2 are both inserted into the base plate 3, and the support plate 2 and the positioning plate 1 form a working position that fixes the bottom plate of the ladder leg and the vertical tube of the ladder leg in the designated position.

[0041] Connecting plate 4 is inserted into positioning plate 1, and a clamping position for clamping ladder leg bottom plate and ladder leg vertical tube is formed between connecting plate 4 and the working position.

[0042] In some embodiments, there may be multiple positioning plates 1 or only one, and there may be multiple support plates 2 or only one. The number of support plates 2 is positively correlated with the size of the ladder leg base plate. By replacing support plates 2 of different sizes, the height of the ladder leg can be adjusted. Multiple support plates 2 can be of the same height to achieve horizontal placement of the support plates 2, or they can be of different heights to achieve inclined placement of the support plates 2.

[0043] In other embodiments, the support plate 2 is provided with a slot, and a height-increasing plate is also inserted into one end of the support plate 2 with the slot. A rod corresponding to the slot is fixed on the height-increasing plate and the rod is located in the slot. The side of the height-increasing plate away from the support plate 2 is also provided with a slot. By adding height-increasing plates and changing the number of height-increasing plates, the height of the support plate 2 can be adjusted, thereby adjusting the vertical height of the ladder legs.

[0044] A pair of L-shaped plates 5 are inserted into the base plate 3. The two L-shaped plates 5 are located on both sides of the base plate 3. The positioning plate 1 and the support plate 2 are both inserted into the L-shaped plates 5. The two L-shaped plates 5 are located at both ends of the positioning plate 1 or the support plate 2.

[0045] In some embodiments, the L-shaped plate 5 can be replaced with other structural members that can fix the positioning plate 1 and the support plate 2. For example, the support plate 2 can be welded to the base plate 3, and the positioning plate 1 can be welded to the base plate 3 by a columnar structural member or a structural member of any shape.

[0046] Connecting blocks 202 are fixed at both ends of the support plate 2. The L-shaped plate 5 has a connecting groove 501 corresponding to the connecting block 202. The connecting block 202 is located inside the connecting groove 501.

[0047] The positioning plate 1 has locking blocks 102 fixed at both ends. The L-shaped plate 5 has a slot 502 corresponding to the locking block 102. The locking block 102 is located inside the slot 502. The positioning plate 1 is fixedly connected to the L-shaped plate 5.

[0048] The base plate 3 has multiple insertion holes 301, and the support plate 2 and the L-shaped plate are both fixed with insertion blocks 302 corresponding to the insertion holes 301. The insertion blocks 302 are located inside the insertion holes 301.

[0049] In some embodiments, the positioning plate 1 has two arc-shaped grooves 101 corresponding to the ladder legs. The two arc-shaped grooves 101 are located at both ends on the same side of the positioning plate 1, and both arc-shaped grooves 101 are used to position the ladder leg vertical tubes.

[0050] The support plate 2 is provided with a limiting block 201, which divides the support plate 2 into two limiting parts, left and right. Both limiting parts are used to limit the bottom plate of the ladder legs.

[0051] The positioning plate 1 has a through hole 103 in the middle position, and the projections of the through holes 103 on multiple positioning plates 1 in the horizontal direction overlap each other; one end of the connecting plate 4 is connected to a pressure tube 401, and the other end is bent towards the positioning plate 1 and passes through the through hole 103 to connect with the positioning plate 1. The pressure tube 401 presses against the end of the ladder leg vertical tube away from the ladder leg bottom plate.

[0052] The arc-shaped groove 101 and the limiting block 201 are designed to facilitate the welding of the support leg base plate to the ladder leg vertical tube. During the welding process of the support leg, the pressure rod is placed on the ladder leg vertical tube. Under the pressure applied by the self-weight of the pressure rod, the ladder leg vertical tube and the ladder leg base plate are pressed together, which facilitates the welding work of the ladder leg.

[0053] In other embodiments, the positioning plate 1 is provided with a plurality of positioning blocks, all of which are located on the same side of the positioning plate 1, and a working position for positioning the vertical tube of the ladder leg is formed between two adjacent positioning blocks.

[0054] The support plate 2 has two rectangular grooves corresponding to the bottom plate of the ladder legs. The two rectangular grooves are located at both ends on the same side of the support plate 2, and both rectangular grooves are used to position the bottom plate of the ladder legs.

[0055] One end of the connecting plate 4 is connected to a pressure block, and the other end is bent toward the positioning plate 1 and passes through the through hole 103 to connect with the positioning plate 1. The pressure block presses against the end of the ladder leg vertical tube away from the ladder leg bottom plate.

[0056] The aforementioned positioning plate 1, support plate 2, and connecting plate 4 are not limited to the above-mentioned solutions for fixing the ladder legs and ladder leg vertical tubes. The arc-shaped groove 101 or positioning block can be replaced with other structural components that can fix the ladder legs to a specific position on the positioning plate 1; the limiting block 201 or rectangular groove can be replaced with other structural components that can fix the ladder legs to a specific position on the support plate 2; and the pressure tube 401 or pressure block can be replaced with other structural components that can fix the ladder leg vertical tube to the ladder leg base plate.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

[0058] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tooling for spot welding ladder legs, characterized in that, include: Positioning plate (1), the positioning plate (1) is used to position the vertical tube of the ladder leg in the horizontal direction, and multiple positioning plates (1) are provided; Support plate (2), the support plate (2) is used to support the bottom plate of the ladder legs, and multiple support plates (2) are provided; The base plate (3), the positioning plate (1) and the support plate (2) are both inserted into the base plate (3), and a working position is formed between the support plate (2) and the positioning plate (1) to fix the bottom plate of the ladder leg and the vertical tube of the ladder leg in the designated position; A connecting plate (4) is inserted into a positioning plate (1), and a clamping position for clamping the bottom plate of the ladder leg and the vertical tube of the ladder leg is formed between the connecting plate (4) and the working position.

2. The tooling for spot welding ladder legs according to claim 1, characterized in that: A pair of L-shaped plates (5) are inserted into the base plate (3). The two L-shaped plates (5) are located on both sides of the base plate (3). The positioning plate (1) and the support plate (2) are both inserted into the L-shaped plates (5). The two L-shaped plates (5) are located at both ends of the positioning plate (1) or the support plate (2).

3. The tooling for spot welding ladder legs according to claim 2, characterized in that: The support plate (2) has connecting blocks (202) fixed at both ends. The L-shaped plate (5) has a connecting groove (501) corresponding to the connecting block (202). The connecting block (202) is located inside the connecting groove (501). The positioning plate (1) has locking blocks (102) fixed at both ends. The L-shaped plate (5) has a slot (502) corresponding to the locking block (102). The locking block (102) is located inside the slot (502). The positioning plate (1) is fixedly connected to the L-shaped plate (5).

4. The tooling for spot welding ladder legs according to claim 2, characterized in that: The base plate (3) has multiple insertion holes (301), and the support plate (2) and the L-shaped plate are both fixed with insertion blocks (302) corresponding to the insertion holes (301), and the insertion blocks (302) are located inside the insertion holes (301).

5. The tooling for spot welding ladder legs according to claim 1, characterized in that: The positioning plate (1) has two arc-shaped grooves (101) corresponding to the ladder legs. The two arc-shaped grooves (101) are located at both ends on the same side of the positioning plate (1). Both arc-shaped grooves (101) are used to position the ladder leg vertical tubes.

6. The tooling for spot welding ladder legs according to claim 1, characterized in that: The support plate (2) is provided with a limiting block (201), which divides the support plate (2) into two limiting parts, left and right, and both limiting parts are used to limit the bottom plate of the ladder legs.

7. The tooling for spot welding ladder legs according to claim 1, characterized in that: The positioning plate (1) has a through hole (103) in the middle position, and the projections of the through holes (103) on multiple positioning plates (1) in the horizontal direction overlap each other; one end of the connecting plate (4) is connected to a pressure tube (401), and the other end is bent towards the positioning plate (1) and passes through the through hole (103) to connect with the positioning plate (1). The pressure tube (401) presses against the end of the ladder leg vertical tube away from the ladder leg bottom plate.

8. The tooling for spot welding ladder legs according to claim 1, characterized in that: The positioning plate (1) is provided with multiple positioning blocks, all of which are located on the same side of the positioning plate (1), and a working position for positioning the vertical tube of the ladder leg is formed between two adjacent positioning blocks.

9. The tooling for spot welding ladder legs according to claim 1, characterized in that: The support plate (2) has two rectangular grooves corresponding to the bottom plate of the ladder legs. The two rectangular grooves are located at both ends on the same side of the support plate (2), and both rectangular grooves are used to position the bottom plate of the ladder legs.

10. The tooling for spot welding ladder legs according to claim 1, characterized in that: One end of the connecting plate (4) is connected to a pressure block, and the other end is bent toward the positioning plate (1) and connected to the positioning plate (1) through the through hole (103). The pressure block presses against the end of the ladder leg vertical tube away from the bottom plate of the ladder leg.

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