CN108375327B - Detection method and detection device for special-shaped conductor - Google Patents

Abstract

The invention relates to a detection method and a detection device for a special-shaped conductor. The special-shaped conductor detection device comprises a special-shaped conductor positioning seat, and the special-shaped conductor positioning seat is provided with a special-shaped conductor positioning structure for locating one end of the special-shaped conductor. The special-shaped conductor detection device It also includes a position detection piece for positioning and cooperating with the other end of the special-shaped conductor to detect the relative positions of the two ends of the special-shaped conductor. The component guiding structure is provided, and the position detecting component has a detecting component locating structure for positioning and cooperating with the special-shaped conductor when the relative positions of the two ends of the detected special-shaped conductor are qualified. The detection device of the present invention has a simple structure, the positional degree and dimensional accuracy of the special-shaped conductor can be quickly determined by the position positioning member, the detection process is shortened, the detection difficulty is reduced, and the detection accuracy is improved.

Description

A kind of detection method and detection device of special-shaped conductor

technical field

The invention relates to a detection method and a detection device for special-shaped conductors.

Background technique

GIS equipment with three-phase common box needs special-shaped conductors to connect basin insulators and arc extinguishing chambers due to the requirements of the connection method of incoming and outgoing lines, interphase insulation and ground insulation. Special-shaped conductors have higher requirements on the dimensional accuracy, positional accuracy at both ends and the positional accuracy after assembly between the three-phase conductors. The existing special-shaped conductors are mainly detected by a three-coordinate measuring instrument. The three-coordinate measuring instrument can realize the size detection in three-dimensional space through numerical control programming, and automatically generate the contour of the special-shaped conductor, but the appearance of the three-phase special-shaped conductor is irregular. The contour requires a large number of data points to be collected, and the detection efficiency is low; at the same time, the special-shaped conductor is processed by the cold bending process of the pipe, and the tolerance of the external dimension is large, so that the three-coordinate detection has a large error in the appearance of the contour. And the three-coordinate measuring instrument is limited by the size of the workbench, it is difficult to realize the simultaneous detection of three-phase special-shaped conductors, and the gap size between the three-phase special-shaped conductors in the assembled state cannot be confirmed. , the accuracy is not high.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a special-shaped conductor detection device, so as to solve the problem that the three-phase special-shaped conductor is difficult to detect at the same time and the detection efficiency is low by the three-coordinate measuring instrument in the prior art; the purpose of the present invention is also to provide a special-shaped conductor. detection method.

In order to achieve the above purpose, the technical scheme of the special-shaped conductor detection device of the present invention is:

Solution 1: The abnormal-shaped conductor detection device includes a special-shaped conductor positioning seat, and the special-shaped conductor positioning seat is provided with a special-shaped conductor positioning structure for positioning one end of the special-shaped conductor, and the special-shaped conductor detection device also includes a special-shaped conductor. A position detection piece for detecting the relative positions of two ends of the special-shaped conductor, the special-shaped conductor positioning seat is provided with a detection piece guide structure for guiding and sliding with the position detection piece during the position detection piece detection process. When the relative positions of the two ends of the special-shaped conductor are qualified, the positioning structure of the detection piece is matched with the positioning of the special-shaped conductor.

Solution 2: On the basis of solution 1, there are at least two special-shaped conductor positioning structures, wherein the spacing between the at least two special-shaped conductor positioning structures is used to make two adjacent special-shaped conductors in the corresponding same group of three-phase conductors. The relative position is the set spacing of the working position. The position of two shaped conductors can be measured simultaneously.

Solution 3: On the basis of solution 2, wherein at least one detection piece guide structure is a shared detection piece guide structure used for the detection process of the two groups of three-phase conductors. The number of guiding structures for the detection piece is reduced, and the detection device is miniaturized.

Solution 4: On the basis of solution 2, the abnormal-shaped conductor detection device further includes a spacing inspection tool for detecting the distance between two adjacent abnormal-shaped conductors in the same group of three-phase conductors. The distance checker ensures that the insulation distance of two adjacent special-shaped conductors conforms to the standard distance.

Option 5: On the basis of Option 4, the distance gauge is a cylindrical structure, including a stop end and a through end, and the diameter of the stop end is the maximum size between two adjacent special-shaped conductors in the same group of three-phase conductors, and the through end The diameter of the end is the smallest dimension between two adjacent shaped conductors in the same set of three-phase conductors. Simple structure and convenient measurement.

Solution 6: On the basis of any one of solutions 1-5, the special-shaped conductor positioning structure is a fixing hole used to cooperate with a mounting hole at one end of the special-shaped conductor to fix the special-shaped conductor. The special-shaped conductor is fixed on the special-shaped conductor fixing seat, which is convenient for the measurement of the position detection piece.

Solution 7: On the basis of any one of solutions 1-5, the position detection member is a positioning sleeve, and the inner wall surface of the positioning sleeve constitutes a positioning structure for the detection member.

Solution 8: On the basis of solution 7, the positioning sleeve is provided with a handle. It is convenient to pick and place the position detection piece.

Solution 9: On the basis of any one of solutions 1 to 5, a special-shaped conductor fixing plate is provided on the special-shaped conductor positioning seat, and the detection member guiding structure is a detection member guide hole provided on the special-shaped conductor fixing plate.

Solution 10: On the basis of solution 9, the special-shaped conductor positioning seat is provided with three vertical plates, and the special-shaped conductor fixing plate is fixed on the vertical plate, wherein the two vertical plates constitute a three-phase conductor for the same group. The space through which one of the shaped conductors passes. The vertical plate facilitates the placement of the three-phase conductor on the special-shaped conductor holder.

In order to achieve the above purpose, the technical scheme of the detection method of the special-shaped conductor of the present invention is:

Option 1: The detection method of the special-shaped conductor includes the following steps: 1) Position one end of the special-shaped conductor on the special-shaped conductor positioning seat; 2) Use a position detection piece that guides and cooperates with the special-shaped conductor positioning seat to detect the other end of the special-shaped conductor, If the positioning structure of the detection piece on the position detection piece can be fitted over the other end of the special-shaped conductor, the position of both ends of the special-shaped conductor is qualified; if the positioning structure of the detection piece on the position detection piece cannot be fitted over the other end of the special-shaped conductor, then The position of both ends of the special-shaped conductor is unqualified.

Scheme 2: On the basis of scheme 1, in step 1), at least two special-shaped conductors in the same group of three-phase conductors are positioned on the special-shaped conductor positioning seat, and the relative position of the adjacent two special-shaped conductors is The relative position of the working state.

Scheme 3: On the basis of scheme 2, in step 2), the distance between two adjacent special-shaped conductors is detected with a spacing gauge.

Scheme 4: On the basis of scheme 1 or 2 or 3, in step 1), the positioning of the special-shaped conductor positioning seat is realized by being fixed on the special-shaped conductor positioning seat through the mounting hole at one end of the special-shaped conductor.

The beneficial effect of the invention is that: one end of the special-shaped conductor is fixed on the special-shaped conductor positioning seat through the special-shaped conductor positioning structure, and the special-shaped conductor positioning seat is provided with a detection piece for guiding and sliding with the position detection piece during the position detection piece detection process. The guide structure, the position detection piece has a detection piece positioning structure that is positioned and matched with the special-shaped conductor when the relative positions of the two ends of the special-shaped conductor to be detected are qualified, and the other end of the special-shaped conductor is positioned and matched with the position detection piece to detect the position and size of the two ends of the special-shaped conductor. The detection device of the present invention has a simple structure, and can quickly determine the positional degree and dimensional accuracy of the special-shaped conductor through the position positioning member, which shortens the detection process, reduces the detection difficulty, and improves the detection accuracy.

Description of drawings

Fig. 1 is the structural schematic diagram of the special-shaped conductor detection device of the present invention;

Fig. 2 is the structural schematic diagram of the positioning sleeve of the special-shaped conductor detection device of the present invention;

Fig. 3 is the structural schematic diagram of the spacing checking tool of the special-shaped conductor detection device of the present invention;

4 is a schematic structural diagram of the special-shaped conductor detection device of the present invention after three-phase conductors are installed;

Fig. 5 is a structural schematic diagram of detecting the pot-type insulator end of the three-phase conductor in Fig. 4 with a positioning sleeve;

FIG. 6 is a schematic structural diagram of detecting the gap between the three-phase conductors in FIG. 4 with a spacing inspection tool;

FIG. 7 is a schematic structural diagram of the abnormal-shaped conductor detection device of the present invention after installing another group of three-phase conductors.

Detailed ways

The embodiments of the present invention will be further described below with reference to the accompanying drawings.

A specific embodiment of the special-shaped conductor detection device of the present invention, as shown in FIG. 1 , the special-shaped conductor detection device includes a special-shaped conductor positioning seat 1, and a vertical plate 3 is arranged on the special-shaped conductor positioning seat 1, and a special-shaped conductor is fixedly connected to the vertical plate 3. Positioning plate 5. In order to reduce the space occupied area of the special-shaped conductor positioning seat, in this embodiment, the special-shaped conductor positioning seat 1 is T-shaped, in other embodiments, it can also be rectangular; The fixing hole 2 for fixing one end of the conductor is processed at a fixed actual position. The fixing hole 2 constitutes the positioning structure of the special-shaped conductor. The position and dimensional accuracy of the two groups of three-phase conductors, the number of each group of fixing holes 2 is two to ensure that the three-phase conductors are stably fixed on the special-shaped conductor positioning seat 1; in this embodiment, the number of vertical plates 3 is Three, the special-shaped conductor positioning plate 5 is fixed on the special-shaped conductor positioning seat 1 through three vertical plates 3, and the special-shaped conductor positioning plate 5 and the special-shaped conductor positioning seat 1 are fixedly connected with the vertical plate 3 by bolts and positioning pins. In this embodiment, according to the positional relationship of the three-phase conductors on the pot-type insulator, the special-shaped conductor positioning plate 5 is provided with a detection member guide hole 4 for detecting the conductor, and the detection member guide hole 4 constitutes a detection member guide structure.

In this embodiment, as shown in FIGS. 2 and 3 , the detection device further includes a positioning sleeve 6 for detecting the position and size of the three-phase conductors. The positioning sleeve 6 constitutes a position detection piece, and the positioning sleeve 6 includes a cylindrical sleeve. 61. The step 62 and the handle 63 abut on the orifice of the guide hole 4 of the detection piece. The inner wall surface of the cylindrical sleeve 61 constitutes the positioning structure of the detection piece. It is used to detect whether the size of the pot-type insulator end of the conductor meets the design requirements. 6. After inserting the detection element guide hole 4, the cylindrical sleeve 61 can be inserted into the pot-type insulator end of the conductor, indicating that the position and size of the pot-type insulator meet the requirements. In this embodiment, the detection device further includes a distance gauge 7 for detecting the distance between two conductors. The distance gauge 7 is a cylindrical structure, and includes a through end 71 , a stop end 73 , and a through end 71 and a stop end. For the hand-held section 72 between 73, the diameter of the end stop 73 is the maximum allowable size of the spacing between adjacent two conductors in the same group of three-phase conductors, and the diameter of the through end 71 is the diameter of the two adjacent conductors in the same group of three-phase conductors The minimum allowable size of the distance between them; in this embodiment, the positioning sleeve 6 and the distance gauge 7 are made of nylon material, and in other embodiments, they can also be made of wear-resistant metal materials such as steel and alloy.

As shown in FIGS. 4 to 6 , when measuring the first group of three-phase conductors, the special-shaped conductor detection device of the present invention fixes the arc-extinguishing chamber ends 8 of the three conductors to the corresponding fixing holes of the special-shaped conductor positioning base 1 through positioning bolts. 2, one of the conductors is located between the two vertical plates 3, and the pot-type insulator end 9 of the conductor is located below the guide hole 4 of the detection piece; then insert the cylindrical sleeve 61 of the positioning sleeve 6 into the guide hole 4 of the detection piece and set it On the pot-type insulator end 9, the positioning sleeve 6 is limited on the special-shaped conductor positioning plate 5 through the step 62. If the positioning sleeve 6 can be inserted into the guide hole 4 of the detection piece and can be sleeved on the pot-type insulator end 9, the conductor Qualified, if the positioning sleeve 6 cannot be inserted into the detection piece guide hole 4 or can be inserted into the detection piece guide hole 4 but cannot be fitted over the pot-type insulator end 9, the conductor is unqualified. When a single conductor is qualified, it needs to pass the distance between the two conductors on the 7 side of the distance gauge. If the through end 71 can pass the minimum distance between the two conductors and the stop end 73 cannot pass the minimum distance between the two conductors, then this group of conductors Qualified, and a group of the same independent number shall be coded on the three conductors after passing the test for confirmation during assembly; If the end 73 can also pass through the minimum spacing of the two conductors, the set of conductors is rejected. As shown in Figure 7, it is the installation structure of the second group of three-phase conductors during detection, and the second group of three-phase conductors shares a detection guide hole for the first group of three-phase conductors during detection, and the measurement of the second group of three-phase conductors The method is the same as the measurement method for the first group of three-phase conductors. In other embodiments, the fixing hole and the detection member guide hole corresponding to the conductor can be replaced according to the shape and structure of the conductor, so that the detection device can adapt to different special-shaped conductors and realize the versatility of the detection device.

In other embodiments, the detection device may also be provided with only three detection member guide holes, and correspondingly provided with three pairs of fixed holes, to detect only one group of three-phase conductors; in other embodiments, the distance gauge is used for measuring The stop end of the largest spacing dimension and the through end of the smallest spacing dimension can also be set as separate parts.

In other embodiments, the positioning sleeve may not be provided with a handle; in other embodiments, a hand-held segment is not provided between the stop end and the through end of the spacing inspection tool, and are directly abutted together; in other embodiments, the vertical The plate and the special-shaped conductor positioning seat are integrally arranged, and the special-shaped conductor positioning seat is directly fixed on the positioning seat; in other embodiments, the spacing inspection tool and the positioning sleeve are made of wear-resistant metal materials such as steel and alloy.

The specific embodiment of the detection method of the special-shaped conductor of the present invention, the detection method of the special-shaped conductor in this embodiment has the same steps as the detection method of the special-shaped conductor described in the specific embodiment of the above-mentioned special-shaped conductor detection device, and will not be repeated.

Claims (5)

1. Dysmorphism conductor detection device, its characterized in that: the special-shaped conductor positioning seat is provided with a special-shaped conductor positioning plate, the special-shaped conductor positioning seat is provided with three vertical plates, the special-shaped conductor positioning plate is fixed on the vertical plates, two vertical plates form a space for one special-shaped conductor in the same group of three-phase conductors to pass through, the special-shaped conductor positioning seat is provided with a special-shaped conductor positioning structure for positioning one end of the special-shaped conductor, the special-shaped conductor positioning structure is a fixing hole which is matched with an installation hole at one end of the special-shaped conductor to fix the special-shaped conductor, six groups of fixing holes are formed, two rows of the six groups of fixing holes are formed, each row of the fixing holes are used for positioning the position degree and the size precision of one group of three-phase special-shaped conductors; the special-shaped conductor detection device also comprises a position detection piece which is used for being matched with the other end of the special-shaped conductor in a positioning way so as to detect the relative positions of the two ends of the special-shaped conductor, a detection piece guide structure which is used for being in guide sliding fit with the position detection piece in the detection process of the position detection piece is arranged on the special-shaped conductor positioning plate, the detection piece guide structure is detection piece guide holes which are arranged on the special-shaped conductor positioning plate, the number of the detection piece guide holes is five, the detection piece guide holes are arranged at intervals along the front and back direction, and the middle detection piece guide hole is a detection piece guide hole which is used for being shared in the; the position detection piece is provided with a detection piece positioning structure which is matched with the special-shaped conductor in a positioning way when the relative positions of two ends of the detected special-shaped conductor are qualified, and the distance between two groups of fixing holes which are adjacent along the left and right directions is a set distance for enabling the relative positions of two adjacent special-shaped conductors in the same corresponding group of three-phase conductors to be in working positions.

2. The shaped conductor detection device of claim 1, wherein: the special-shaped conductor detection device further comprises a distance detection tool for detecting the distance between two adjacent special-shaped conductors in the same group of three-phase conductors.

3. The shaped conductor detection device of claim 2, wherein: the distance detection tool is of a cylindrical structure and comprises a stop end and a through end, the diameter of the stop end is the maximum allowable size of the distance between two adjacent special-shaped conductors in the same group of three-phase conductors, and the diameter of the through end is the minimum allowable size of the distance between two adjacent special-shaped conductors in the same group of three-phase conductors.

4. A profiled conductor detection apparatus as claimed in any one of claims 1 to 3, wherein: the position detection piece is a positioning sleeve, and the inner wall surface of the positioning sleeve forms a detection piece positioning structure.

5. The shaped conductor detection device of claim 4, wherein: and a handle is arranged on the positioning sleeve.

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