Same roundness measuring tool for wind power steel tower drum installation

Abstract

The utility model discloses a roundness measuring tool for wind power steel tower installation, which relates to the technical field of wind power generation and comprises a bottom plate, a first positioning clamping plate and a second positioning clamping plate, a first lead screw groove and a second lead screw groove are transversely and longitudinally arranged on the bottom plate respectively, a first bidirectional ball screw is arranged in the first lead screw groove, and a second bidirectional ball screw is arranged in the second lead screw groove. According to the utility model, through the arrangement of the fixing frame, the electric telescopic rod, the measuring plate, the measuring connecting flange and the measuring plug-in, during measurement, the electric telescopic rod can drive the whole measuring plate to move downwards until the measuring plate is completely pressed on a measured tower drum flange at the lower part; measurement personnel can directly judge whether the flange hole of the measured tower drum flange is concentric with the flange hole of the standard tower drum flange by observing whether the measurement plug-in on the measurement plate is jacked up, and compared with the existing manual concentricity measurement by naked eyes, the device provided by the utility model is more efficient and more accurate in measurement.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power generation technical field, concretely is a kind of roundness measuring tool for wind power steel tower installation. BACKGROUND

[0002] Wind power generation is a kind of kinetic energy conversion for electric energy, its core equipment includes wind wheel, generator, direction regulator, tower drum etc., wind power steel tower is the important component in wind power generation system, mainly play the role of support and shock attenuation, it connects wind turbine generator unit and base ring, usually made of steel material, with cylindrical structure.

[0003] Wind power generation device is usually very high, so wind power tower is usually by multiple segments splicing, usually be connected through flange between two adjacent wind power tower, flange is the important connecting component of wind turbine, usually bolt connection, the accuracy of its surface bolt hole directly influences wind turbine assembly, maintenance efficiency, for the operation stability and safety of wind turbine is very important, thus need to measure the roundness of wind power steel tower flange hole when using, the roundness of existing measurement is mostly two wind power steel tower flanges are placed together, then artificial eye observation is combined with measuring scale measurement wind power tower flange plate each flange hole whether round, this measurement mode is greatly influenced by artificial viewing angle and artificial experience judgment factor, it is easy to lead to inaccurate measurement, and each measurement is time-consuming and laborious, and low efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of roundness measuring tool for wind power steel tower installation to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of wind power steel tower cylinder installation with concentricity measuring tool, including bottom plate, first positioning clamping plate and second positioning clamping plate, first screw groove and second screw groove are respectively set in the bottom plate transversely and longitudinally, first two-way ball screw is installed in first screw groove, second two-way ball screw is installed in second screw groove, one end of first two-way ball screw is equipped with first adjusting handle, one end of second two-way ball screw is equipped with second adjusting handle, first two-way ball screw is equipped with the first positioning clamping plate of opposite arrangement on two screw nuts, second two-way ball screw is equipped with the second positioning clamping plate of opposite arrangement on two screw nuts, measured tower flange is fixed between first positioning clamping plate and second positioning clamping plate, fixed frame is installed on the bottom plate, electric telescopic rod is installed in the middle of fixed frame, measuring plate is installed at the bottom end of electric telescopic rod, measuring insert is uniformly arranged in annular on the measuring plate, and the measuring insert is movably inserted in the insertion hole corresponding to the measuring insert and being set in the measuring plate.

[0007] As a further scheme of the utility model: the measuring plate is equal to the diameter of standard tower flange, and the number and bottom end size of the measuring insert are equal to the number and size of the flange hole of the standard tower flange.

[0008] As a further scheme of the utility model: the first two-way ball screw and the second two-way ball screw are distributed in space upside down.

[0009] As a further scheme of the utility model: guide rails are installed on the inner walls of the two sides of the first screw groove and the second screw groove, and the guide rails are in sliding cooperation with the first positioning clamping plate or the second positioning clamping plate.

[0010] As a further scheme of the utility model: a lower triangular indicating arrow is arranged on the first positioning clamping plate, and an upper triangular indicating arrow is arranged on the side of the measuring plate opposite to one of the measuring inserts.

[0011] As a further scheme of the utility model: flanges are installed on the measuring plate and the electric telescopic rod, and the measuring plate and the electric telescopic rod are fixed through the flanges.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a fixed frame, electric telescopic link, measuring plate, measuring connection flange and measuring insert are set up, when measuring, electric telescopic link can drive measuring plate whole downward movement, until measuring plate is completely pressed on the lower measured tower section flange, and the measuring personnel will directly judge whether the flange hole of measured tower section flange and the flange hole of standard tower section flange are concentric through observing whether the measuring insert on measuring plate is lifted, compare with the concentricity of artificial naked -eye measurement, the utility model discloses more efficient, more accurate.

[0014] 2. The utility model discloses setting up first two -way ball screw and second two -way ball screw on the bottom plate, first two -way ball screw and second two -way ball screw can drive two positioning clamping plates to move respectively, and then can cooperate with the measuring plate of different size and measure the concentricity of the measured tower section flange of different size, make the utility model discloses more widely applicable. ACCURACY

[0015] Figure 1 It is a front view of a concentricity measuring tool for wind power steel tower section installation.

[0016] Figure 2 It is an overall plan view of a concentricity measuring tool for wind power steel tower section installation.

[0017] Figure 3 It is a partial plan view of a concentricity measuring tool for wind power steel tower section installation.

[0018] Figure 4 It is a concentricity measuring tool for wind power steel tower section installation Figure 3 Structure diagram of direction of A-A.

[0019] 1, bottom plate, 2, first screw groove, 3, second screw groove, 4, first two -way ball screw, 5, second two -way ball screw, 6, first adjusting handle, 7, second adjusting handle, 8, first positioning clamping plate, 9, second positioning clamping plate, 10, fixed frame, 11, electric telescopic link, 12, measuring plate, 13, flange plate, 14, measuring insert, 15, guide rail, 16, lower triangular indication arrow, 17, upper triangular indication arrow. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figures 1-4The utility model discloses an embodiment of a roundness measuring tool for wind power steel tower installation, including bottom plate 1, first locating clamp plate 8 and second locating clamp plate 9, the first screw groove 2 and the second screw groove 3 are set up respectively with the first screw groove 2 and the second screw groove 3 on the horizontal and longitudinal of bottom plate 1, the first two -way ball screw 4 is installed in the first screw groove 2, the second two -way ball screw 5 is installed in the second screw groove 3, one end of the first two -way ball screw 4 is installed with the first adjusting handle 6, one end of the second two -way ball screw 5 is installed with the second adjusting handle 7, the first two -way ball screw 4's two screw nuts are installed with the first locating clamp plate 8 of opposite setting, the second two -way ball screw 5's two screw nuts are installed with the second locating clamp plate 9 of opposite setting, the first locating clamp plate 8 and the second locating clamp plate 9 are fixed with the flange of the tower that is measured, the fixed frame 10 is installed on bottom plate 1, the fixed frame 10 is installed with electric telescopic handle 11 in the middle, the bottom end of electric telescopic handle 11 is installed with measuring plate 12, and the measuring plate 12 is evenly provided with measuring plug -in 14 in annular on the side of measuring plate 12 and is set up with the measuring plug -in 14 in the hole of corresponding setting in measuring plate 12.

[0022] The diameter of the measuring plate 12 is equal to the standard tower flange, and the number and size of the measuring plug-in 14 are equal to the number and size of the flange hole of the standard tower flange. This design is to enable the measuring plate 12 to measure the same specification tower flange.

[0023] The first two -way ball screw 4 and the second two -way ball screw 5 are distributed in space up and down staggered, which can avoid the movement interference of the first two -way ball screw 4 and the second two -way ball screw 5.

[0024] The first screw groove 2 and the second screw groove 3 are installed with guide rails 15 on the inner walls of both sides, and the guide rails 15 are slidably connected with the first locating clamp plate 8 or the second locating clamp plate 9. The guide rails 15 can make the first locating clamp plate 8 and the second locating clamp plate 9 move more smoothly.

[0025] The measuring plate 12 and the electric telescopic handle 11 are both installed with flanges, and the measuring plate 12 and the electric telescopic handle 11 are fixed by the flanges. The measuring plate 12 has different specifications due to the size of the measured tower flange, and the flange fixing can facilitate personnel to replace the measuring plate 12 of different specifications according to the size of the measured tower flange.

[0026] Please refer to Figures 1-3 The first locating clamp plate 8 is centrally provided with a lower triangular indicating arrow 16, and the side of the measuring plate 12 opposite one of the measuring plug-ins 14 is provided with an upper triangular indicating arrow 17. The lower triangular indicating arrow 16 and the upper triangular indicating arrow 17 can facilitate personnel to quickly align the measured tower flange with the measuring plate 12, thereby improving the measurement efficiency.

[0027] The working principle of the utility model is:

[0028] In use, first, the measuring plate 12 matched with the flange of the measured tower drum is installed at the bottom end of the electric telescopic rod 11 through the flange, and attention is paid to adjusting the measuring plate 12 to make the upper triangular indicating arrow 17 on the measuring plate 12 point to the first screw groove 2 when installing, then the measured tower drum flange is placed on the bottom plate 1, the first adjusting handle 6 and the second adjusting handle 7 are rotated in turn, the first bidirectional ball screw 4 is driven to rotate by the first adjusting handle 6, then the two first positioning clamping plates 8 are driven to approach the measured tower drum flange from both sides by the first bidirectional ball screw 4, before the measured tower drum flange is clamped, the measured tower drum flange is finely adjusted, so that one of the flange holes on the measured tower drum flange is opposite the lower triangular indicating arrow 16 arranged on the first positioning clamping plate 8, then the measured tower drum flange is clamped by the first positioning clamping plate 8, then the two second positioning clamping plates 9 are driven to clamp the measured tower drum flange from the direction perpendicular to the first positioning clamping plate 8 by the second adjusting handle 7, finally the electric telescopic rod 11 is started, and the measuring plate 12 is driven to move downwards by the electric telescopic rod 11 until the measuring plate 12 is completely pressed on the measured tower drum flange, at this time, the measuring personnel only need to observe whether the measuring plug-in 14 is lifted, and if the measuring plug-in 14 is lifted, it indicates that the concentricity deviation of the flange hole of the measured tower drum flange and the standard tower drum flange hole is large, and the measured tower drum flange is unqualified.

[0029] Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A concentricity measuring tool for wind power steel tower installation, comprising a base plate (1), a first positioning clamp plate (8) and a second positioning clamp plate (9), characterized in that: The bottom plate (1) is provided with first screw groove (2) and second screw groove (3) transversely and longitudinally respectively, first screw groove (2) is provided with first bidirectional ball screw (4), second screw groove (3) is provided with second bidirectional ball screw (5), one end of first bidirectional ball screw (4) is provided with first adjusting handle (6), one end of second bidirectional ball screw (5) is provided with second adjusting handle (7), two screw nuts of first bidirectional ball screw (4) are provided with first positioning clamp plate (8) oppositely, two screw nuts of second bidirectional ball screw (5) are provided with second positioning clamp plate (9) oppositely, first positioning clamp plate (8) and second positioning clamp plate (9) are fixed with measured tower flange, bottom plate (1) is provided with fixed frame (10), fixed frame (10) is provided with electric telescopic rod (11) in the middle, bottom end of electric telescopic rod (11) is provided with measuring plate (12), measuring plate (12) is provided with measuring plug-in (14) uniformly in annular, measuring plug-in (14) is movably inserted in the corresponding hole of measuring plate (12).

2. A cylindricity measuring tool for wind turbine steel tower installation according to claim 1, characterized in that: The measuring plate (12) is equal to the diameter of the standard tower flange, the number and the bottom end size of the measuring plug-in (14) are equal to the number and size of the flange hole of the standard tower flange.

3. A cylindricity measuring tool for wind turbine steel tower installation according to claim 1, characterized in that: The first bidirectional ball screw (4) and the second bidirectional ball screw (5) are distributed in space up and down.

4. The cylindricity measuring tool for windmill steel tower installation according to claim 1, characterized in that: The inner wall of the first screw groove (2) and the inner wall of the second screw groove (3) are provided with guide rail (15), the guide rail (15) is slidably connected with the first positioning clamp plate (8) or the second positioning clamp plate (9).

5. A cylindricity measuring tool for wind turbine steel tower installation according to claim 1, characterized in that: The first positioning clamp plate (8) is provided with lower triangular indicating arrow (16), the side of the measuring plate (12) is provided with upper triangular indicating arrow (17) opposite to one of the measuring plug-in (14).

6. A cylindricity measuring tool for wind turbine steel tower installation according to claim 1, characterized in that: The measuring plate (12) and the electric telescopic rod (11) are provided with flange plate, and the measuring plate (12) and the electric telescopic rod (11) are fixed by the flange.

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