CN214114637U - Prevent frock of reactor iron core handling in-process frame size change - Google Patents
Prevent frock of reactor iron core handling in-process frame size change Download PDFInfo
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- CN214114637U CN214114637U CN202023121668.1U CN202023121668U CN214114637U CN 214114637 U CN214114637 U CN 214114637U CN 202023121668 U CN202023121668 U CN 202023121668U CN 214114637 U CN214114637 U CN 214114637U
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Abstract
The utility model relates to a prevent frock of size change between reactor iron core handling in-process frame belongs to power transformer manufacture equipment technical field. The technical scheme is as follows: the left screw rod (2) and the right screw rod (3) are respectively arranged at the left end and the right end of the middle screw rod (1), two groove-shaped plates (4) are respectively arranged at the end parts of the left screw rod (2) and the right screw rod (3) far away from the middle screw rod (1), and the groove-shaped plates (4) at the two ends are fixed on a clamping piece; the groove plate (4) is provided with a first hole, the clamping piece is provided with a second hole, the first hole of the groove plate (4) and the second hole of the clamping piece are connected through a stud, and two ends of the groove plate are locked through nuts. The utility model has the advantages that: the tool matched with the size between iron core frames is formed by a left lead screw structure, a right lead screw structure and slot plates at two ends, and the tool is installed before the iron core of the reactor is erected, so that the size change between the frames caused by the stress displacement of the iron core of the reactor in the erecting and hoisting process is prevented, and the size constancy between the frames before and after the reactor is hoisted is ensured.
Description
Technical Field
The utility model relates to a prevent frock of size change between reactor iron core handling in-process frame belongs to power transformer manufacture equipment technical field.
Background
After the reactor iron core stacking is finished, the reactor iron core needs to be lifted and erected, and the distance between the reactor frames needs to be retested after the iron core is erected, so that the reactor iron core is ensured not to have obvious change. However, in actual operation, the frame pitch size is often changed obviously, the maximum frame pitch size can be out of tolerance of 4 mm, the design and process requirements cannot be met, the repair is needed, and manpower, material resources and time are wasted.
The reason for analyzing the structure is that the structure is originally used for supporting frames, and the channel steel for preventing size change cannot play a sufficient supporting role, so that the clamping piece deforms under the lifting stress state, and the iron core piece is driven to move, so that the frame interval changes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tool for preventing size change between frames in the lifting process of a reactor core, which is a tool matched with the size between core frames and composed of a left lead screw structure, a right lead screw structure and slot plates at two ends, wherein the tool is installed before the reactor core is erected, the clamping piece is tightly propped by the left lead screw and the right lead screw, and the slot plates at two ends are fixed on the clamping piece to prevent support slippage; the adjustable flexible volume of frock, support between applicable different model reactor iron core frames, prevent that the reactor iron core from standing up the handling in-process, the iron core atress displacement, causes the size change between the frame, guarantees that the size is invariable between its handling front and back frame, has solved the above-mentioned problem that exists among the background art effectively.
The technical scheme of the utility model is that: a tool for preventing size change between frames in a lifting process of an iron core of a reactor comprises a middle lead screw, a left lead screw, a right lead screw and two groove-shaped plates, wherein the left lead screw and the right lead screw are respectively arranged at the left end and the right end of the middle lead screw; the groove plate is provided with a first hole, the clamping piece is provided with a second hole, the first hole of the groove plate and the second hole of the clamping piece are connected through a stud, and two ends of the groove plate are locked through nuts.
The left lead screw, the right lead screw and the middle lead screw are connected through threads, external threads are arranged on the left lead screw and the right lead screw, internal threads are arranged on the middle lead screw, the external threads and the internal threads are matched with each other, and the meshing length of the left lead screw, the right lead screw and the middle lead screw is not less than 50 mm.
The stud and the nut are matched with the apertures of the first hole and the second hole.
Two small holes are symmetrically formed in the middle lead screw.
The lifting handle is installed on two sides of the middle screw rod, is semi-annular and is made of steel columns with the diameter of 5-8 mm, and the span is 10 mm.
The left lead screw and the right lead screw are made of bar-shaped steel materials and are 30-45 mm in diameter.
The middle lead screw is made of tubular steel, the inner diameter of the middle lead screw is 30-45 mm, and the wall thickness of the middle lead screw is 5-8 mm.
The groove-shaped plate is connected with the left screw rod and the right screw rod in a welding mode, the thickness of the groove-shaped plate is 5-8 mm, and the width of the groove-shaped plate is 100-150 mm.
The utility model has the advantages that: the fixture matched with the size between the iron core frames is formed by a left lead screw structure, a right lead screw structure and groove-shaped plates at two ends, the fixture is installed before the iron core of the reactor is erected, the clamping piece is tightly propped by the left lead screw and the right lead screw, and the groove-shaped plates at the two ends are fixed on the clamping piece to prevent the support from slipping; the adjustable flexible volume of frock, support between applicable different model reactor iron core frames, prevent that the reactor iron core from standing up the handling in-process, the size change between the frame is caused to the iron core atress displacement, guarantees that the size is invariable between its handling front and back frame.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: middle lead screw 1, left lead screw 2, right lead screw 3, channel plate 4, handle 5.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
A tool for preventing size change between frames in a lifting process of an iron core of a reactor comprises a middle lead screw 1, a left lead screw 2, a right lead screw 3 and two groove-shaped plates 4, wherein the left lead screw 2 and the right lead screw 3 are respectively arranged at the left end and the right end of the middle lead screw 1, the two groove-shaped plates 4 are respectively arranged at the end parts, far away from the middle lead screw 1, of the left lead screw 2 and the right lead screw 3, and the groove-shaped plates 4 at the two ends are fixed on a clamping piece; the groove-shaped plate 4 is provided with a first hole, the diameter of the first hole is 30 mm, the clamping piece is provided with a second hole, the first hole of the groove-shaped plate 4 and the second hole of the clamping piece are connected through a stud, and two ends of the groove-shaped plate are locked through nuts.
Left side lead screw 2, right lead screw 3 pass through threaded connection with middle lead screw 1, are equipped with the external screw thread on left side lead screw 2 and the right lead screw 3, are equipped with the internal thread on the middle lead screw 1, and external screw thread and internal thread are suitable for crude screw thread, and the specification is not limited, matches each other, and left lead screw 2, right lead screw 3 and middle lead screw 1's interlock length is not less than 50 millimeters.
The stud and the nut are matched with the apertures of the first hole and the second hole.
Two small holes are symmetrically formed in the middle lead screw 1, and the diameter of each small hole is 10 mm.
The middle screw rod device further comprises handles 5 which are arranged on two sides of the middle screw rod 1, the handles 5 are semi-annular and made of steel columns with the diameter of 5-8 mm, and the span is 10 mm.
The left lead screw 2 and the right lead screw 3 are made of bar-shaped steel materials and are 30-45 mm in diameter.
The middle lead screw 1 is made of tubular steel, the inner diameter is 30-45 mm, and the wall thickness is 5-8 mm.
The groove-shaped plate 4 is connected with the left screw rod 2 and the right screw rod 3 through welding, the thickness of the groove-shaped plate 4 is 5-8 mm, and the width of the groove-shaped plate is 100-150 mm.
In practical application, before the reactor iron core stands up, the deformation-preventing tool is installed.
The clamping piece is tightly jacked by the left lead screw and the right lead screw, and the groove-shaped plates at the two ends are fixed on the clamping piece to prevent the support from falling down. And the stud is connected with the first hole of the groove-shaped plate and the second hole of the clamping piece, and two ends of the stud are locked by nuts. The selected stud and nut are matched with the apertures of the first hole and the second hole, and the tool is guaranteed to be tightly fixed on the clamping piece.
The occlusion length of the left and right screw rods and the middle screw rod of the tool can be adjusted according to the size between iron core frames of different models, but the occlusion length of the left and right screw rods is not less than 50 mm. When the device is used for measuring the size between frames of 1500 mm-2500 mm, the left and right lead screws can select the length of 750 mm and 1000 mm; the middle lead screw may be selected to be about 1000 mm in length.
When the length of occlusion is adjusted, the manual adjustment is laborious, and auxiliary means can be used: 1. the iron rod is inserted into the handle to rotate the middle lead screw for adjustment; 2. and a thin iron rod is inserted into the small hole of the middle lead screw to rotate the middle lead screw for adjustment.
The effort is even when adjusting, prevents to bring the injury to the frock.
During the use and preservation of the tool, the protection is required, and the left and right lead screws are dry, clean and free of corrosion, so that thread damage and material corrosion are prevented; the deformation of each part of the tool is prevented, and the tool cannot be used in a matched manner; cleaning and moisture-proof measures are taken well.
Claims (8)
1. The utility model provides a prevent frock of reactor iron core handling in-process size change between frame which characterized in that: the clamping piece comprises a middle lead screw (1), a left lead screw (2), a right lead screw (3) and two groove-shaped plates (4), wherein the left lead screw (2) and the right lead screw (3) are respectively arranged at the left end and the right end of the middle lead screw (1), the two groove-shaped plates (4) are respectively arranged at the end parts, far away from the middle lead screw (1), of the left lead screw (2) and the right lead screw (3), and the groove-shaped plates (4) at the two ends are fixed on the clamping piece; the groove plate (4) is provided with a first hole, the clamping piece is provided with a second hole, the first hole of the groove plate (4) and the second hole of the clamping piece are connected through a stud, and two ends of the groove plate are locked through nuts.
2. The tool for preventing size change between frames in the lifting process of the reactor core according to claim 1, is characterized in that: the left lead screw (2), the right lead screw (3) are connected with the middle lead screw (1) through threads, external threads are arranged on the left lead screw (2) and the right lead screw (3), internal threads are arranged on the middle lead screw (1), the external threads and the internal threads are matched with each other, and the meshing length of the left lead screw (2), the right lead screw (3) and the middle lead screw (1) is not less than 50 millimeters.
3. The tool for preventing size change between frames in the lifting process of the reactor core according to claim 1, is characterized in that: the stud and the nut are matched with the apertures of the first hole and the second hole.
4. The tool for preventing size change between frames in the lifting process of the reactor core according to claim 1, is characterized in that: two small holes are symmetrically formed in the middle lead screw (1).
5. The tool for preventing size change between frames in the lifting process of the reactor core according to claim 1, is characterized in that: the screw rod type screw rod mechanism further comprises handles (5) which are arranged on two sides of the middle screw rod (1), the handles (5) are semi-annular and made of steel columns with the diameter of 5-8 mm, and the span is 10 mm.
6. The tool for preventing size change between frames in the lifting process of the reactor core according to claim 1, is characterized in that: the left lead screw (2) and the right lead screw (3) are made of bar-shaped steel materials and are 30-45 mm in diameter.
7. The tool for preventing size change between frames in the lifting process of the reactor core according to claim 1, is characterized in that: the middle lead screw (1) is made of tubular steel, the inner diameter is 30-45 mm, and the wall thickness is 5-8 mm.
8. The tool for preventing size change between frames in the lifting process of the reactor core according to claim 1, is characterized in that: the groove-shaped plate (4) is connected with the left screw rod (2) and the right screw rod (3) through welding, the thickness of the groove-shaped plate (4) is 5-8 mm, and the width of the groove-shaped plate is 100-150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121668.1U CN214114637U (en) | 2020-12-23 | 2020-12-23 | Prevent frock of reactor iron core handling in-process frame size change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121668.1U CN214114637U (en) | 2020-12-23 | 2020-12-23 | Prevent frock of reactor iron core handling in-process frame size change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214114637U true CN214114637U (en) | 2021-09-03 |
Family
ID=77513587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023121668.1U Active CN214114637U (en) | 2020-12-23 | 2020-12-23 | Prevent frock of reactor iron core handling in-process frame size change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214114637U (en) |
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2020
- 2020-12-23 CN CN202023121668.1U patent/CN214114637U/en active Active
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