An archimedes ellipse based wind power tower cylinder door frame rapid scribing tool

The wind turbine tower frame rapid marking tool based on the Archimedes elliptic compass solves the problems of low marking accuracy, long time consumption, and high difficulty in the existing technology, and realizes efficient and accurate marking of frame holes, improving installation speed and versatility.

CN119610035BActive Publication Date: 2025-10-21WUHAN HUADIAN ENG EQUIP CO LTD
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Patent Information

Application Number
CN202411751145.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-21
Estimated Expiration
2044-12-02

AI Technical Summary

Technical Problem

In the prior art, the marking accuracy of the elliptical door frame of the wind turbine tower before cutting is low, time-consuming, and difficult to operate, resulting in a problem of excessive gaps between the door frame and the door frame holes.

Method used

A rapid marking tool for wind turbine tower frames based on the Archimedes elliptic compass is used, which includes a slide rail and an elliptic compass parallel to the axis of the wind turbine tower. Accurate marking is achieved by sliding back and forth on the slide rail. It is combined with electromagnet fixation, adjustable slide rail and swing arm length, and equipped with a tungsten steel head for precise marking.

Benefits of technology

It improves the installation speed and accuracy of side wall doors on wind turbine towers, reduces the difficulty of operation, and enables rapid marking of door frame holes of various specifications without damaging the inner wall of the tower.

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Abstract

The application discloses a wind power tower cylinder door frame rapid marking tool based on an Archimedes ellipse gauge, which comprises a sliding rail arranged axially on the inner wall of a wind power tower cylinder and an ellipse gauge arranged on the sliding rail, wherein a cross sliding groove of the ellipse gauge is slidingly arranged on the sliding groove, and an outer end of a swing arm of the ellipse gauge is vertically provided with a tungsten steel head used for marking on the inner wall of the wind power tower cylinder. The marking tool comprises the sliding rail parallel to the axis of the wind power tower cylinder and the ellipse gauge, and the ellipse gauge can realize rapid and accurate marking on the door frame hole on the inner wall of the tower cylinder through sliding back and forth on the sliding rail, so that the installation speed of the door on the sidewall of the wind power tower cylinder can be greatly improved, and the marking tool has prominent practicability.
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Description

Technical Field

[0001] The invention relates to a wind power tower door frame quick marking tool based on an Archimedean ellipsoid gauge, belonging to the technical field of wind power tower door frame quick marking auxiliary devices. Background Art

[0002] The doors on the side walls of wind turbine towers are typically elliptical. In existing techniques, the doorframe's outline is first manually painted on the inside of the wind turbine tower, followed by manual cutting of the doorframe holes, and finally, welding the doorframe. Accurate marking of the doorframe holes can easily lead to excessive gaps between the doorframe and the hole, creating a drawback. Existing techniques all manually mark the doorframe holes directly on the inside of the wind turbine tower, resulting in low accuracy, time-consuming marking, and operational difficulty. Summary of the Invention

[0003] The purpose of the present invention is to address the defects of the existing wind turbine tower elliptical door frame before cutting, such as low marking accuracy, long marking time, and great difficulty in operation, and to provide a wind turbine tower door frame quick marking tool based on Archimedes ellipsoid gauge. The marking tool includes a slide rail parallel to the axis of the wind turbine tower and an ellipsoid gauge. The ellipsoid gauge can quickly and accurately mark the door frame hole on the inner wall of the tower by sliding back and forth on the slide rail, which can greatly improve the installation speed of the wind turbine tower side wall door and has outstanding practicality.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions:

[0005] A quick marking tool for a wind turbine tower door frame based on an Archimedean ellipsoid gauge comprises a slide rail axially arranged on the inner wall of the wind turbine tower and an ellipsoid gauge arranged on the slide rail. The cross slide groove of the ellipsoid gauge is slidably arranged on the slide groove. The outer end of the swing arm of the ellipsoid gauge is vertically provided with a tungsten steel head for marking on the inner wall of the wind turbine tower.

[0006] By adopting the above technical solution, a wind turbine tower door frame quick marking tool based on Archimedes ellipsoid gauge is provided. The marking tool includes a slide rail parallel to the axis of the wind turbine tower and an ellipsoid gauge. The ellipsoid gauge can quickly and accurately mark the door frame hole on the inner wall of the tower by sliding back and forth on the slide rail, which can greatly improve the installation speed of the wind turbine tower side wall door and has outstanding practicality.

[0007] The present invention is further configured as follows: the slide rail includes a left straight rail and a right straight rail, the two ends of the left straight rail and the right straight rail are connected into a whole by a connecting rod, and support seats are respectively provided at both ends of the left straight rail and the right straight rail, and the support seats are hinged to the two ends of the left straight rail and the right straight rail by a universal connector.

[0008] By adopting the above technical solution, the specific structure of the slide rail is limited.

[0009] The present invention is further configured as follows: an electromagnet is provided on the support seat.

[0010] By adopting the above technical solution, an electromagnet is set on the support base. By turning the power on and off of the electromagnet, the support base and the wind turbine tower can be adsorbed, fixed and detached. The design of the electromagnet can achieve adsorption and fixation at any position on the inner wall of the wind turbine tower without damaging the inner wall of the wind turbine tower.

[0011] The present invention is further configured as follows: a level is installed on the slide rail.

[0012] By adopting the above technical solution, the installation position of the slide rail can be quickly adjusted and positioned, which can effectively improve the speed and accuracy of installation.

[0013] The present invention is further configured as follows: the cross slide is slidably arranged on the left straight rail and the right straight rail using a sliding sleeve, one slide of the cross slide is perpendicular to the left straight rail and the right straight rail, and the other slide is parallel to the left straight rail and the right straight rail.

[0014] By adopting the above technical solution, the specific installation method of the cross slide on the left and right straight rails is limited.

[0015] The present invention is further configured as follows: the swing arm includes a hollow rod body and a telescopic rod inserted into the axial hole of the hollow rod body, the tungsten steel head is placed on the outer end of the telescopic rod, and the rod body of the telescopic rod is provided with a scale for displaying the length of the swing arm; the left straight rail and the right straight rail are both connected by a telescopic section, the telescopic section includes a cross profile and an insertion rod section corresponding to the cross profile, the insertion rod section includes four insertion rods respectively engaged with the four axial side grooves of the cross profile, the outer edge of the cross profile and the outer edge of the insertion rod section are in a matching relationship with the inner hole of the sliding sleeve, when the cross profile and the insertion rod section are partially engaged, the sliding sleeve can slide back and forth smoothly between the two, and the cross profile or the insertion rod section is provided with a scale for displaying the length of the left and right straight rails.

[0016] By adopting the above technical solution, the swing arm and the left and right slide rails are all set to be adjustable in length, and scales for displaying the length of the swing arm and the left and right slide rails are respectively provided. This design improves the versatility of the marking tool and can realize rapid marking of door frame holes of various specifications.

[0017] The present invention is further configured as follows: the root limit piece of the tungsten steel head is slidably placed in a cylindrical cover with a closed top through a sealing plate, and a compression spring is provided between the closing plate at the top of the cylindrical cover and the root limit piece of the tungsten steel head in a compressed state. When the cylindrical cover is fixed on the upper side of the telescopic rod, the rod body of the tungsten steel head passes through the through hole at the outer end of the telescopic rod, and the marked part at the lower end of the tungsten steel head rests on the inner wall of the wind turbine tower.

[0018] By adopting the above technical solution, a sealing plate is used to slide the root limit piece of the tungsten steel head inside the cylindrical cover, and a compression spring that can automatically provide downward thrust for the tungsten steel head is provided inside the cylindrical cover. This design enables the tungsten steel head to be disassembled and assembled above the telescopic rod, and the tungsten steel head is easy to disassemble and replace. The installation of the compression spring can realize automatic downward replenishment of the tungsten steel head.

[0019] The present invention is further configured as follows: a gasket is provided between the root limiting piece of the tungsten steel head and the sealing plate.

[0020] By adopting the above technical solution, a gasket is arranged between the root limit piece of the tungsten steel head and the sealing plate. The gasket can prevent the root limit piece of the tungsten steel head from making hard contact with the sealing plate, thereby effectively improving the service life.

[0021] The present invention is further configured as follows: an adjusting member for adjusting the compression tightness of the compression spring is provided on the closing plate at the top of the cylindrical cover.

[0022] By adopting the above technical solution and adjusting the compression tightness of the compression spring, the tungsten steel head can always maintain sufficient downward pressure, which can effectively ensure the clarity of the marking.

[0023] The present invention is further configured as follows: the rod body of the tungsten steel head and the through hole at the outer end of the telescopic rod are in a sliding fit relationship.

[0024] By adopting the above technical solution, the rod body of the tungsten steel head and the through hole at the outer end of the telescopic rod are designed to have a sliding fit relationship. This design can effectively avoid the marking error at the lower end caused by lateral deviation of the tungsten steel head, and can effectively ensure the accuracy of the marking.

[0025] The main beneficial effects of the present invention are:

[0026] 1. The marking tool of the present invention includes a slide rail parallel to the axis of the wind turbine tower and an ellipse gauge. The ellipse gauge can quickly and accurately mark the door frame hole on the inner wall of the tower by sliding back and forth on the slide rail, which can greatly improve the installation speed of the side wall door of the wind turbine tower and has outstanding practicality.

[0027] 2. The marking tool of the present invention is provided with an electromagnet on the support base. By turning the power on and off of the electromagnet, the support base and the wind turbine tower can be adsorbed, fixed and detached. The design of the electromagnet can achieve adsorption and fixation at any position on the inner wall of the wind turbine tower without damaging the inner wall of the wind turbine tower.

[0028] 3. The marking tool of the present invention is designed to have adjustable lengths for the swing arm and the left and right slide rails, and is respectively provided with scales for displaying the lengths of the swing arm and the left and right slide rails. This design improves the versatility of the marking tool and enables rapid marking of door frame holes of various specifications.

[0029] 4. The marking tool of the present invention adopts a sealing plate to slide the root limit piece of the tungsten steel head inside the cylindrical cover, and a compression spring that can automatically provide downward thrust for the tungsten steel head is provided inside the cylindrical cover. This design enables the tungsten steel head to be disassembled and assembled above the telescopic rod, and the tungsten steel head is easy to disassemble and replace. The installation of the compression spring can realize the automatic downward supply of the tungsten steel head. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 This is a schematic diagram of the structure of the present invention when it is inside an electric tower;

[0032] Figure 2 It is a structural schematic diagram of the present invention;

[0033] Figure 3 It is a structural diagram of the tungsten carbide head and accessories in the present invention;

[0034] Figure 4 It is a schematic structural diagram of the telescopic section on the left straight rail in the present invention;

[0035] Figure 5 It is a structural schematic diagram of the cross section of the telescopic section and the inserted rod section after axial interlocking in the present invention.

[0036] In the figure, 1. Wind turbine tower; 2. Slide rail; 21. Left straight rail; 22. Right straight rail; 23. Connecting rod; 24. Support seat; 25. Universal connector; 26. Insert rod; 27. Cross profile; 3. Oval gauge; 31. Cross slide; 32. Swing arm; 321. Hollow rod; 322. Telescopic rod; 33. Slide sleeve; 34. Tungsten steel head; 35. Cylindrical cover; 36. Closing plate; 37. Compression spring; 38. Adjustment part. DETAILED DESCRIPTION

[0037] The technical solutions of the present invention will be described clearly and completely below with reference to specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0038] Example 1:

[0039] like Figures 1 to 5As shown, a wind turbine tower door frame quick marking tool based on Archimedes ellipsoid gauge includes a slide rail 2 axially arranged on the inner wall of the wind turbine tower 1 and an ellipsoid gauge 3 arranged on the slide rail 2, the cross slide groove 31 of the ellipsoid gauge 3 is slidably arranged on the slide groove 2, and the outer end of the swing arm 32 of the ellipsoid gauge 3 is vertically provided with a tungsten steel head 34 for marking on the inner wall of the wind turbine tower 1.

[0040] Slide rail 2 includes a left straight rail 21 and a right straight rail 22, each connected by a connecting rod 23. Support bases 24 are provided at each end of the left and right straight rails 21 and 22, respectively. Universal connectors 25 articulate the support bases 24 to the ends of the left and right straight rails 21 and 22. A level is mounted on slide rail 2, and an electromagnet is provided on the support bases 24.

[0041] The cross slide 31 is slidably mounted on the left straight rail 21 and the right straight rail 22 using a sliding sleeve 33 . One slide of the cross slide 31 is perpendicular to the left straight rail 21 and the right straight rail 22 , and the other slide is parallel to the left straight rail 21 and the right straight rail 22 .

[0042] The swing arm 32 includes a hollow rod body 321 and a telescopic rod 322 inserted into the axial hole of the hollow rod body 321. The tungsten steel head 34 is placed at the outer end of the telescopic rod 322. The rod body of the telescopic rod 322 is provided with a scale for displaying the length of the swing arm 32; the left straight rail 21 and the right straight rail 22 are both connected by a telescopic section. The telescopic section includes a cross profile 27 and an insertion rod section corresponding to the cross profile 27. The insertion rod section includes four insertion rods 26 respectively engaged with the four axial side grooves of the cross profile 27. The outer edge of the cross profile 27 and the outer edge of the insertion rod section are in a matching relationship with the inner hole of the sliding sleeve 33. When the cross profile 27 and the insertion rod section are partially engaged, the sliding sleeve 33 can slide back and forth smoothly between the two. The cross profile 27 or the insertion rod section is provided with a scale for displaying the length of the left and right straight rails.

[0043] The root stopper 341 of the tungsten steel head 34 is slidably placed within the cylindrical cover 35 with a closed top through a sealing plate 36. A compression spring 37 is provided in a compressed state between the sealing plate at the top of the cylindrical cover 35 and the root stopper 341 of the tungsten steel head 34. When the cylindrical cover 35 is fixed to the upper side of the telescopic rod 322, the rod body of the tungsten steel head 34 passes through the through hole at the outer end of the telescopic rod 322, and the marked portion at the lower end of the tungsten steel head 34 rests against the inner wall of the wind turbine tower 1. A washer is provided between the root stopper 341 of the tungsten steel head 34 and the sealing plate 36. An adjustment member 38 for adjusting the compression tightness of the compression spring 37 is provided on the sealing plate at the top of the cylindrical cover 35. The rod body of the tungsten steel head 34 and the through hole at the outer end of the telescopic rod 322 are in a sliding fit.

[0044] How it works:

[0045] Place the slide rail 2 on the inner wall of the wind turbine tower 1 in parallel with the axis of the wind turbine tower 1, adjust the length of the slide rail 2, start the electromagnet to fix the slide rail 2 on the inner wall of the wind turbine tower 1, and then adjust the length of the swing arm 32. When marking, slide the ellipse ruler 3 on both ends of the slide rail 2 to complete the arc marking of both ends of the door frame line. When sliding along the left and right straight rails of the slide rail 2, the straight lines on both sides of the door frame line can be marked.

Claims

1. A wind turbine tower door frame rapid marking tool based on Archimedean ellipsoid, characterized by: The invention comprises a slide rail (2) axially arranged on the inner wall of a wind power tower (1) and an ellipse gauge (3) arranged on the slide rail (2), wherein the cross slide groove (31) of the ellipse gauge (3) is slidably arranged on the slide rail (2), and the outer end of the swing arm (32) of the ellipse gauge (3) is vertically provided with a tungsten steel head (34) for marking the inner wall of the wind power tower (1); the swing arm (32) comprises a hollow rod body (321) and a telescopic rod (322) inserted into the axial hole of the hollow rod body (321), the tungsten steel head (34) is arranged on the outer end of the telescopic rod (322), and the rod body of the telescopic rod (322) is provided with a scale for displaying the length of the swing arm (32); the slide rail (2 ) includes a left straight rail (21) and a right straight rail (22), the left straight rail (21) and the right straight rail (22) are respectively connected by a telescopic section, the telescopic section includes a cross profile (27) and a plug rod section corresponding to the cross profile (27), the plug rod section includes four plug rods (26) respectively engaged with the four axial side grooves of the cross profile (27), the outer edge of the cross profile (27) and the outer edge of the plug rod section are in a matching relationship with the inner hole of the sliding sleeve (33), when the cross profile (27) and the plug rod section are partially engaged, the sliding sleeve (33) can slide back and forth smoothly between the two, and the cross profile (27) or the plug rod section is provided with a scale for displaying the length of the left and right straight rails.

2. The wind turbine tower door frame quick marking tool based on Archimedean ellipsoid according to claim 1, characterized in that: The two ends of the left straight rail (21) and the right straight rail (22) are connected into a whole by a connecting rod (23), and the two ends of the left straight rail (21) and the right straight rail (22) are respectively provided with a support seat (24), and the support seat (24) and the two ends of the left straight rail (21) and the right straight rail (22) are hinged by a universal connector (25).

3. The wind turbine tower door frame quick marking tool based on Archimedean ellipsoid according to claim 1, characterized in that: A level is installed on the slide rail (2).

4. The wind turbine tower door frame quick marking tool based on Archimedean ellipsoid according to claim 2, characterized in that: The support seat (24) is equipped with an electromagnet.

5. The wind turbine tower door frame quick marking tool based on Archimedean ellipsoid according to claim 2, characterized in that: The cross slide (31) is slidably arranged on the left straight rail (21) and the right straight rail (22) by using a sliding sleeve (33), one slide of the cross slide (31) is perpendicular to the left straight rail (21) and the right straight rail (22), and the other slide is parallel to the left straight rail (21) and the right straight rail (22).

6. The wind turbine tower door frame quick marking tool based on Archimedean ellipsoid according to claim 5, characterized in that: The root limit piece (341) of the tungsten steel head (34) is slidably arranged in the cylindrical cover (35) with a closed top through a sealing plate (36); a compression spring (37) is provided between the closing plate at the top of the cylindrical cover (35) and the root limit piece (341) of the tungsten steel head (34) in a compressed state; when the cylindrical cover (35) is fixed on the upper side of the telescopic rod (322), the rod body of the tungsten steel head (34) passes through the through hole at the outer end of the telescopic rod (322), and the marked portion at the lower end of the tungsten steel head (34) abuts against the inner wall of the wind power tower (1).

7. The wind turbine tower door frame quick marking tool based on Archimedean ellipsoid according to claim 6, characterized in that: A gasket is provided between the root limiting member (341) of the tungsten steel head (34) and the sealing plate (36).

8. The wind turbine tower door frame quick marking tool based on Archimedean ellipsoid according to claim 7, characterized in that: An adjusting member (38) for adjusting the compression tightness of the compression spring (37) is provided on the closing plate at the top of the cylindrical cover (35).

9. The wind turbine tower door frame quick marking tool based on Archimedean ellipsoid according to claim 6, characterized in that: The rod body of the tungsten steel head (34) and the through hole at the outer end of the telescopic rod (322) are in a sliding fit relationship.

Citation Information

Patent Citations

  • Marking tool for forming oval holes in ship body

    CN110480595A

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