Deformation adjusting tool for edge of transformer box with welded structure
By welding the deformation adjustment tool along the edge of the transformer box, and using connecting pins and reinforcing ribs, the positioning problem caused by the deformation of the box edge during transformer hoisting was solved. This ensured reliable fixing and easy operation, avoiding the risk of foreign objects and paint damage.
Patent Information
- Application Number
- CN202423113102.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-17
AI Technical Summary
During the hoisting and placement of large transformers, deformation of the tank edge causes misalignment between the positioning block and the positioning groove. Existing tooling is not securely fixed and is cumbersome to operate, posing risks of foreign objects and paint damage.
Design a deformation adjustment tool for a welded structure transformer box. It is connected to a reinforcing rib plate by a connecting pin, fixed to a supporting inclined plate and a reinforcing iron, and cooperates with a jack and a pressure plate to achieve accurate positioning and adjustment.
It improves the stability of the tooling frame, ensures the accurate tightening position of the jacks, avoids the risk of welding foreign objects and paint damage, and simplifies the operation process.
Smart Images

Figure CN223566428U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer production field, concretely speaking, a kind of welding dead structure transformer tank flange deformation adjustment tool. BACKGROUND
[0002] Large current transformer is according to technological process, need the body of transformer is hung into transformer oil tank inside, due to the body of large transformer is very heavy, generally above 300 tons, and the lower section of oil tank is open box type structure, after the body is hung into the lower section of oil tank, due to the weight of body is too large, this can cause the upper tank flange position of lower section of oil tank to slightly deform inward, for the oil tank of tank flange welding dead structure, it is easy to cause the positioning block on the upper section of oil tank cover and the positioning groove on the tank flange of lower section of oil tank to be misaligned and cannot be positioned, and then adversely affect the assembly process of transformer production.
[0003] For the above situation, the previous processing method is: 1, use simple welding structure tool, spot welding is welded on the tank flange and the tank wall of oil tank reinforcing iron;2, cooperate with simple welding tool to use jack to hold the upper section of oil tank cover, and make the tank flange of lower section of oil tank expose enough size to the outside, so as to offset the shrinkage after the body is hung in;3, use C-shaped clamp to clamp the tank flange and cover of oil tank, and then complete the positioning of the positioning block on the cover and the positioning groove on the tank flange. The above method needs to weld simple tool structure in the process of transformer oil tank assembly, and the spot welding process has the risk of producing foreign matter in the transformer, and the spot welding process will damage the anticorrosive paint of transformer oil tank.
[0004] CN203617126U patent discloses a kind of transformer oil tank flange adjustment tool, it is by bottom plate, support plate, vertical plate and inclined plate to constitute tool frame body, and the lower end of tool frame body is in fixed state, upper end is equipped with bracket for placing jack, then the tool is set between jack and the tank flange of upper section of oil tank using a supporting pad block to realize adjustment. But the tool frame body only has lower end fixed, and the fixing firmness needs to be further improved.
[0005] CN116690457A patent discloses a kind of large transformer tank flange deformation adjustment tool and its adjusting method, the fixing plate of the tool is fixed on the tank wall below the tank flange, the connecting plate is connected on the fixing plate by bolt, the support rod is fixed on the connecting plate in vertical state, the traction rod is screw connected on the support rod in horizontal state, one end of the traction rod is equipped with the pressing plate matched with the tank flange, the other end of the traction rod is equipped with handle, the tool needs worker to rotate handle to make the pressing plate give a lateral pressure to the tank flange when using, until the deformation amount of tank flange restores to normal range. The tool is relatively cumbersome to operate. UTILITY MODEL CONTENTS
[0006] The utility model discloses a welding dead structure transformer tank along deformation adjustment frock, and the connecting plate inner end of frock frame body is connected with the reinforcing rib plate of reinforcing iron upper side through the connecting pin, and the support inclined plate lower end of working frame body is fixed with reinforcing iron through fixed plate, so that not only guarantee frock frame body fixed more firmly, and can guarantee the accurate position of jack taut force position.
[0007] The utility model discloses a welding dead structure transformer tank along deformation adjustment frock, and the connecting plate inner end of frock frame body is connected with the reinforcing rib plate of reinforcing iron upper side through the connecting pin, and the support inclined plate lower end of working frame body is fixed with reinforcing iron through fixed plate, so that not only guarantee frock frame body fixed more firmly, and can guarantee the accurate position of jack taut force position.
[0008] A kind of welding dead structure transformer tank along deformation adjustment frock, including frock frame body, jack and oil tank, wherein oil tank includes two sections, and the tank cover of upper section oil tank lower end is butt joint with the tank along of lower section oil tank upper end, reinforcing iron is equipped on the outer wall of lower section oil tank, and reinforcing rib plate is equipped between the upper end of reinforcing iron and tank along, the frock frame body includes support inclined plate and connecting plate, and the outer end of support inclined plate upper end with the connecting plate is fixed and is equipped with pressing plate, the support inclined plate lower end is fixed on corresponding reinforcing iron, the connecting plate inner end is connected with corresponding reinforcing rib plate, the front end of jack with the pressing plate is resisted, and the back end with the tank cover is resisted.
[0009] Connecting pin is equipped on the connecting plate inner end, pin hole is equipped on the reinforcing rib plate, and the connecting pin passes through the pin hole on corresponding reinforcing rib plate and is positioned by positioning pin.
[0010] Fixed plate is equipped on the support inclined plate lower end, and the fixed plate is fixed with corresponding reinforcing iron by bolt.
[0011] Pressing plate is equipped with the guide bracket of supporting the front end of jack.
[0012] The utility model discloses a welding dead structure transformer tank along deformation adjustment frock, and the connecting plate inner end of frock frame body is connected with the reinforcing rib plate of reinforcing iron upper side through the connecting pin, and the support inclined plate lower end of working frame body is fixed with reinforcing iron through fixed plate, so that not only guarantee frock frame body fixed more firmly, and can guarantee the accurate position of jack taut force position.
[0013] 1, the connecting plate inner end of frock frame body is connected with the reinforcing rib plate of reinforcing iron upper side through the connecting pin, and the support inclined plate lower end of working frame body is fixed with reinforcing iron through fixed plate, and the fixing of whole frock frame body is more firm.
[0014] 2, the connecting pin of connecting plate inner end of frock frame body can be inserted into the pin hole on corresponding reinforcing rib plate and positioned by positioning pin when installing, so that frock frame body can have a certain amount of rotating range around the connecting pin, which is beneficial to subsequent installation adjustment, then one end of jack is aligned with tank cover and the other end is resisted with the pressing plate on frock frame body, and the fixed plate at lower end is not fixed at this time, so that operating personnel can adjust the position of jack according to actual needs to ensure that the taut force position is accurate and deviation does not occur. DRAWINGS
[0015] Figure 1 It is use state schematic drawing of the utility model,
[0016] Figure 2 is an enlarged view of A in Figure 1
[0017] is a K view of Figure 3 Figure 2
[0018] Figure 4 is an enlarged view of B in Figure 3
[0019] Figure 5 is a structural schematic view of the tooling frame body in Figure 1
[0020] Wherein, 1 is tooling frame body, 101 is support inclined plate, 102 is fixed plate, 103 is pressing plate, 104 is connecting pin, 105 is positioning pin, 106 is connecting plate, 2 is jack, 3 is tank cover, 301 is positioning block, 4 is tank edge, 401 is positioning groove, 5 is reinforcing iron, 6 is reinforcing rib plate. DETAILED DESCRIPTION
[0021] The utility model will be further described in connection with the drawings.
[0022] As Figures 1 to 5 shown, the utility model discloses tooling frame body 1, jack 2 and oil tank, wherein the oil tank includes two sections of upper and lower, and the tank cover 3 of upper section oil tank lower extreme and the tank edge 4 of lower section oil tank upper extreme butt joint, be equipped with reinforcing iron 5 on the outer wall of lower section oil tank, and be equipped with reinforcing rib plate 6 between reinforcing iron 5 upper extreme and tank edge 4, tooling frame body 1 includes support inclined plate 101 and connecting plate 106, and the outer end of support inclined plate 101 upper extreme and connecting plate 106 are fixedly connected and are equipped with pressing plate 103, the lower end of support inclined plate 101 is fixed on corresponding reinforcing iron 5, and the inner end of connecting plate 106 is connected with corresponding reinforcing rib plate 6, as Figure 4 shown, the utility model uses, the front end of jack 2 and pressing plate 103 are resisted, and the rear end and tank cover 3 are resisted, and then make the positioning block 301 of tank cover 3 downside can fall into the positioning groove 401 on tank edge 4.
[0023] As Figures 1 to 5 shown, in the embodiment, the inner end of connecting plate 106 is equipped with connecting pin 104, the reinforcing rib plate 6 is equipped with pin hole, and the connecting pin 104 passes through the pin hole on corresponding reinforcing rib plate 6 and is positioned through positioning pin 105.
[0024] As Figures 1 to 5 shown, in the embodiment, the lower end of support inclined plate 101 is equipped with fixed plate 102, and the fixed plate 102 is fixedly connected with corresponding reinforcing iron 5 through bolt.
[0025] In the embodiment, guiding brackets can be arranged on the pressing plate 103 as required, and the front end of the jack can be placed on the guiding bracket to ensure axial level, so that the force can be better applied against the box cover 3.
[0026] The working principle of the utility model is:
[0027] The utility model uses the following steps:
[0028] Step one: the connecting pin 104 at the inner end of the connecting plate 106 is inserted into the pin hole on the corresponding reinforcing rib plate 6 and is positioned by the positioning pin 105, so that the tool holder body 1 can have a certain amount of rotation range around the connecting pin 104 to meet the subsequent adjustment needs.
[0029] Step two: one end of the jack 2 is aligned and abuts against the box cover 3, and the other end abuts against the pressing plate 103; at this time, the fixing plate 102 is not installed with a bolt fixing, so that the operator can adjust the position of the jack 2 according to actual needs to ensure that the jacking position is accurate.
[0030] Step three: after the position of the jack 2 is determined, the fixing plate 102 is bolted on the corresponding reinforcing iron 5, and after being fixed, the jack 2 is clamped and fixed by the pressing plate 103 and the box cover 3.
[0031] Step four: the jack 2 is started to correct the distance of the box cover 3 relative to the lower side box along 4, so that the positioning block 301 on the lower side of the box cover 3 can fall into the positioning groove 401 on the box along 4.
Claims
1. A welding structure transformer tank along the deformation adjustment tool, characterized by: The utility model relates to a tooling frame body (1), jack (2) and oil tank, wherein the oil tank includes two sections of upper and lower, and the tank cover (3) of upper section oil tank lower end is butt joint with the tank along (4) of lower section oil tank upper end, the outer wall of lower section oil tank is equipped with reinforcing iron (5), and is equipped with reinforcing rib plate (6) between reinforcing iron (5) upper end and tank along (4), the tooling frame body (1) includes support inclined plate (101) and connecting plate (106), and the outer end of support inclined plate (101) upper end and connecting plate (106) is solid connected and is equipped with pressing plate (103), the lower end of support inclined plate (101) is fixed on corresponding reinforcing iron (5), the inner end of connecting plate (106) is connected with corresponding reinforcing rib plate (6), the front end of jack (2) is opposite with pressing plate (103), and the rear end is opposite with tank cover (3).
2. The transformer tank deformation adjustment tooling of claim 1, wherein: The inner end of connecting plate (106) is equipped with connecting pin (104), the reinforcing rib plate (6) is equipped with pin hole, and the connecting pin (104) passes through the pin hole on corresponding reinforcing rib plate (6) and is positioned by positioning pin (105).
3. The transformer tank deformation adjustment tooling of claim 1, wherein: The lower end of support inclined plate (101) is equipped with fixed plate (102), and the fixed plate (102) is solid connected with corresponding reinforcing iron (5) by bolt.
4. The transformer tank deformation adjustment tooling of claim 1, wherein: The pressing plate (103) is equipped with guiding bracket that supports the front end of jack (2).
Citation Information
Patent Citations
Transformer oil tank edge regulating fixture
CN203617126U