Crossing measurement device for electric power engineering investigation

Abstract

A crossing measuring device for electric power engineering investigation structurally comprises a theodolite body, a positioning base is arranged at the lower end of the theodolite body, clamping plates are arranged below the positioning base at intervals, an inserting block is arranged in the center of the upper end face of each clamping plate, and a double-mode clamping and positioning structure is arranged on a base of the crossing measuring device for electric power engineering investigation. The convenience of measurement work is effectively improved, a proper positioning and clamping structure is selected according to the operation position of an overhead line during placement, when a plurality of cables are placed at the placement position, the cables can be placed between the clamping plate and the positioning base, and along with rotation of the transmission bolt, the transmission bolt drives the clamping plate to clamp the cables into the cable clamping groove, so that the cables can be conveniently positioned. When a plate-shaped or strip-shaped structure is placed at the placing position, the interlayer notch can be placed at the placing position, and the clamping bolt is screwed in and drives the rotatably connected clamping plate to clamp and position the placing position.

Description

Technical Field

[0001] The utility model relates to a cross-span measuring device for electric power engineering survey, belonging to the field of cross-span measuring devices. Background Art

[0002] For the measurement of crossings of overhead lines, an indirect measurement method can be used. The measurement is carried out using a theodolite. The theodolite is set at an appropriate location, a tower ruler or a reflector is placed at the intersection, the horizontal distance from the instrument to the intersection is measured, the vertical angle between the conductor at the intersection and the object being crossed is measured, and then the minimum vertical distance between the conductor at the intersection and the object being crossed is calculated. However, when the existing theodolite is used at high altitudes, it needs to be placed and fixed by an auxiliary positioning structure, which is inconvenient. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a cross-span measurement device for electric power engineering survey, so as to solve the problem that the existing theodolite needs to be placed and fixed by an auxiliary positioning structure when used at high altitude, which is inconvenient.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a cross-span measuring device for power engineering survey, the structure of which includes a theodolite body, a positioning base is provided at the lower end of the theodolite body, a clamping plate is provided at intervals below the positioning base, a plug-in block is provided at the center of the upper end surface of the clamping plate, a plug-in slot movably connected to the plug-in block is provided at the center of the lower end surface of the positioning base, a front-to-back transparent interlayer slot is provided on the bottom surface of the clamping plate, a transmission bolt is rotatably provided on the top surface of the inner wall of the interlayer slot, the top of the transmission bolt movably penetrates the plug-in block, the top surface of the inner wall of the plug-in slot is provided with an internal thread groove threadedly connected to the top of the transmission bolt, a plurality of cable clamping slots are provided at intervals on the left and right parts of the upper surface of the clamping plate, the inner walls on the left and right sides of the interlayer slot are provided with clamping plates, the outer walls on the left and right sides of the clamping plate are provided with bolt slots corresponding to the clamping plates, a clamping bolt is screwed on the bolt slot, and the end of the clamping bolt is rotatably connected to the corresponding clamping plate.

[0005] Furthermore, the positioning base is fixedly connected to the theodolite body by bolts.

[0006] Furthermore, the plug-in block is specifically a rectangular parallelepiped structure.

[0007] Furthermore, a bearing for rotationally positioning the transmission bolt is provided in the plug-in block.

[0008] Furthermore, the plug-in block and the clamping plate are an integrated structure.

[0009] The beneficial effects of the utility model are as follows: the base of the cross-span measuring device for electric power engineering survey is equipped with a dual-mode clamping and positioning structure, which effectively improves the convenience of the measuring work; when placing, a suitable positioning clamping structure is selected according to the operating position at the overhead line; when there are multiple cables at the placement position, the cables can be placed between the clamping plate and the positioning base; as the transmission bolt is rotated, the transmission bolt drives the clamping plate to clamp the cable into the cable clamping groove to cooperate with the cable for positioning; when the placement position has a plate-shaped or strip-shaped structure for placement, the interlayer notch can be placed at the placement position; by screwing in the clamping bolt, the clamping bolt drives the rotating connected clamping plate to clamp and position the placement position. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0011] Figure 1 This is a structural schematic diagram of a cross-over measurement device for electric power engineering survey according to the utility model;

[0012] Figure 2 The utility model is a schematic diagram of the partial cross-sectional structure of a cross-span measurement device for electric power engineering survey. DETAILED DESCRIPTION

[0013] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0014] See also Figure 1 , Figure 2The utility model provides a technical solution for a cross-over measurement device for electric power engineering survey: its structure includes a theodolite body 1, a positioning base 2 is provided at the lower end of the theodolite body 1, a clamping plate 3 is provided below the positioning base 2, a plug-in block 4 is provided at the center of the upper end surface of the clamping plate 3, a plug-in slot 5 movably connected with the plug-in block 4 is provided at the center of the lower end surface of the positioning base 2, a front-to-back transparent interlayer slot 6 is provided on the bottom surface of the clamping plate 3, a transmission bolt 7 is rotatably provided on the top surface of the inner wall of the interlayer slot 6, the top of the transmission bolt 7 movably penetrates the plug-in block 4, and the top surface of the inner wall of the plug-in slot 5 is provided with a screw thread connected to the top of the transmission bolt 7 The inner thread groove 8 is connected with the groove, and a plurality of cable clamping grooves 9 are arranged at intervals on the left and right parts of the upper end surface of the clamping plate 3. The inner walls on the left and right sides of the interlayer notch 6 are provided with clamping plates 10, and the outer walls on the left and right sides of the clamping plate 3 are provided with bolt grooves 11 corresponding to the clamping plates 10. A clamping bolt 12 is screwed on the bolt groove 11, and the end of the clamping bolt 12 is rotatably connected to the corresponding clamping plate 10. The positioning base 2 is fixedly connected to the theodolite body 1 by bolts. The plug-in block 4 is specifically a rectangular structure, and a bearing for rotatably positioning the transmission bolt 7 is provided in the plug-in block 4. The plug-in block 4 and the clamping plate 3 are an integrated structure.

[0015] The base of the cross-span measuring device for power engineering survey is equipped with a dual-mode clamping and positioning structure, which effectively improves the convenience of the measuring work. When placing, the appropriate positioning clamping structure is selected according to the operating position at the overhead line. When there are multiple cables at the placement position, the cables can be placed between the clamping plate 3 and the positioning base 2. As the transmission bolt 7 is rotated, the transmission bolt 7 drives the clamping plate 3 to clamp the cable into the cable clamping groove 9 to position the cable. When the placement position has a plate-shaped or strip-shaped structure, the interlayer notch 6 can be placed at the placement position. By screwing in the clamping bolt 12, the clamping bolt 12 drives the rotating connected clamping plate 10 to clamp and position the placement position.

[0016] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0017] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A cross-over measurement device for power engineering survey, characterized in that: The structure comprises a theodolite body (1), a positioning base (2) is provided at the lower end of the theodolite body (1), a clamping plate (3) is provided below the positioning base (2), a plug-in block (4) is provided at the center of the upper end surface of the clamping plate (3), a plug-in slot (5) movably sleeved with the plug-in block (4) is provided at the center of the lower end surface of the positioning base (2), a front-to-back transparent interlayer slot (6) is provided on the bottom surface of the clamping plate (3), a transmission bolt (7) is rotatably provided on the top surface of the inner wall of the interlayer slot (6), and the top end of the transmission bolt (7) movably penetrates the plug-in slot The top surface of the inner wall of the plug-in slot (5) is provided with an internal threaded slot (8) which is threadedly connected to the top of the transmission bolt (7); the left and right parts of the upper end surface of the clamping plate (3) are provided with a plurality of cable clamping slots (9) at intervals; the left and right inner walls of the interlayer slot (6) are provided with clamping plates (10); the left and right outer walls of the clamping plate (3) are provided with bolt slots (11) corresponding to the clamping plates (10); the bolt slots (11) are screwed with clamping bolts (12); the ends of the clamping bolts (12) are rotatably connected to the corresponding clamping plates (10).

2. The crossover measurement device for electric power engineering survey according to claim 1, characterized in that: The positioning base (2) is fixedly connected to the theodolite body (1) by means of bolts.

3. The crossover measurement device for electric power engineering survey according to claim 1 is characterized by: The plug-in block (4) is specifically a rectangular parallelepiped structure.

4. The crossover measurement device for electric power engineering survey according to claim 1, characterized in that: A bearing for rotationally positioning the transmission bolt (7) is arranged inside the plug-in block (4).

5. The crossing measurement device for electric power engineering survey according to claim 1 is characterized in that: The plug-in block (4) and the clamping plate (3) are an integrated structure.

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