CN220690099U - Power transmission line iron tower rag bolt detection device - Google Patents

Abstract

The utility model relates to the field of foundation bolt detection, in particular to a device for detecting foundation bolts of an iron tower of a power transmission line. The anchor bolt comprises a fixing nut, wherein the fixing nut is connected with an anchor bolt through threads; the leveling steel plate is welded and fixed on the top surface of the fixed nut; the leveling instrument is arranged on the leveling steel plate and used for acquiring the levelness of the leveling steel plate; the positioning rod is of a conical structure vertically arranged on the leveling steel plate; the center lines of the positioning rod, the fixing nut and the leveling steel plate are overlapped. The device of this application simple structure can pinpoint rag bolt top center, measures rag bolt's levelness (straightness that hangs down), bolt central point put, end top elevation, can effectually improve measurement accuracy and reduce the check degree of difficulty when retesting rag bolt position.

Description

Power transmission line iron tower rag bolt detection device

Technical Field

The utility model relates to the field of foundation bolt detection, in particular to a device for detecting foundation bolts of an iron tower of a power transmission line.

Background

The foundation bolts are usually used when large-scale devices such as fans, transmission line towers and the like are fixedly installed, the embedded accuracy of the foundation bolts of the transmission line towers directly influences the assembly and quality of the later-stage towers, and the excessive deviation can cause difficult assembly of the towers or even incapability of being installed. Therefore, the specification requires that the specification model of the embedded part of the foundation bolt of the transmission line iron tower should be rechecked before the embedded part is in place, the root opening size is strictly controlled, the levelness (namely verticality, different in the specification, the axial direction of the bolt is the vertical direction when the top surface of the bolt is horizontal), the center position of the bolt, the end positioning elevation and the fastening degree all meet the design requirements.

Chinese patent No. CN 219121321U discloses an anchor bolt checking and measuring tool, the disclosure includes a positioning disc, a mating nut, a ball prism, and the center position and the top elevation of the anchor bolt are calculated by concentric the anchor bolt with the ball prism, the positioning disc and the mating nut. However, when the foundation bolt is inclined, the projection horizontal position of the spherical prism is not coincident with the center of the bolt, and the verticality of the foundation bolt cannot be measured; the ball prism needs to be measured by using a total station, data needs to be processed, and the field use is relatively not intuitive.

Disclosure of Invention

The utility model aims to solve the defects of the background technology and provides a device for detecting the foundation bolts of the iron towers of the power transmission lines.

The technical scheme of the utility model is as follows: an anchor bolt detection device for a power transmission line iron tower comprises a power transmission line,

the fixing nut is connected to the top of the foundation bolt in a threaded manner;

the leveling steel plate is welded and fixed on the top surface of the fixed nut;

the leveling instrument is arranged on the leveling steel plate and used for acquiring the levelness of the leveling steel plate;

the positioning rod is vertically arranged on the leveling steel plate;

further, the center line of the locating rod, the center line of the fixing nut and the center line of the leveling steel plate coincide.

Further, the level comprises a circular level comprising a hemispherical transparent container filled with a liquid and a bubble insoluble in the liquid.

Further, the round level is positioned in the middle of the leveling steel plate; the center of the bottom surface of the container of the circular level gauge coincides with the center of the leveling steel plate.

Further, a positioning calibration line is arranged on the leveling steel plate, and the center of the positioning calibration line coincides with the center of the leveling steel plate.

Further, the positioning calibration line comprises,

the cross line comprises two straight lines which are vertically intersected in the same plane, and the intersection point of the cross line coincides with the center of the leveling steel plate;

the circle centers of the circles of circular lines are overlapped with the intersection point of the cross line, and the circles of circular lines comprise an inner circle of circular line and an outer circle of circular line.

Further, the lower end of the positioning rod is fixedly stuck to the top of the circular level container, and the center line of the positioning rod coincides with the center line of the circular level container.

Further, in a second preferred scheme of the level, the level comprises 2 level tube bubbles which are mutually perpendicular in axial direction, the level tube bubbles comprise strip-shaped sealing containers, and the strip-shaped sealing containers are filled with liquid and bubbles which are insoluble in the liquid; the bubble of the level tube is provided with a strip-shaped positioning line, and the strip-shaped positioning line comprises an inner frame line and an outer frame line.

Further, the locating rod is of a conical rod-shaped structure with a small upper part and a large lower part, and the upper tip end of the locating rod is positioned on the central line of the locating rod.

Further, a plurality of scale marks are arranged on the conical surface of the positioning rod at intervals along the length direction of the positioning rod.

Further, the scale lines are annular lines which encircle the outer side of the positioning rod and are perpendicular to the central line of the positioning rod.

The application also provides a measuring method of the power transmission line iron tower foundation bolt detection device, which adopts the detection device and comprises the following steps:

s1, connecting components of an anchor bolt detection device of a power transmission line iron tower to obtain an assembly;

s2, calibrating a power transmission line iron tower foundation bolt detection device;

s3, screwing and fixing the power transmission line iron tower foundation bolt detection device on the foundation bolt to be detected;

s4, overlooking bubbles in the leveling instrument, comparing the position relation of the vertical projection boundary of the bubbles, and judging the levelness condition of the foundation bolt;

s5, a horizontal detection positioning line is led out through the center pile and the auxiliary pile, and the vertical distance of the detection positioning line higher than the detection foundation bolt is equal to the vertical height of the detection device except for the fixing nut;

s6, observing the upper tip of the positioning rod, if the upper tip is deviated from the detection positioning line, measuring the horizontal distance and the height deviation of the upper tip and the detection positioning line, and indicating the bolt center position and the end top standard height compliance of the foundation bolt without deviation.

According to the measurement method of the power transmission line iron tower foundation bolt detection device provided by the application, one of the preferable schemes is that in the step S1, a component connected with the power transmission line iron tower foundation bolt detection device includes: and drawing a positioning calibration line in the center of the leveling steel plate, so that the center of the positioning calibration line coincides with the center of the top surface of the leveling steel plate, specifically, drawing two mutually perpendicular straight lines by taking the center of the top surface of the leveling steel plate as an intersection point, and drawing a plurality of circles of circular lines by taking the center of the top surface of the leveling steel plate as the circle center to obtain the positioning calibration line.

According to the measurement method of the power transmission line iron tower foundation bolt detection device provided by the application, one of the preferable schemes is that in the step S1, a component connected with the power transmission line iron tower foundation bolt detection device includes: the bottom circle center of the round level (which can be obtained by drawing the intersection point of two diameters) is overlapped with the center of the leveling steel plate, then the round level is installed, the bottom circle center of the positioning rod is aligned with the right upper side of the bottom circle center of the round level and is adhered to the top end of the round level, and the center line of the positioning rod is overlapped with the center line of the leveling steel plate.

According to the measurement method of the power transmission line iron tower foundation bolt detection device provided by the application, in the second preferred scheme, in the step S1, a component connected with the power transmission line iron tower foundation bolt detection device includes: the center of the bottom surface of the positioning rod is aligned with the center of the leveling steel plate and is adhered to the leveling steel plate, so that the center lines of the positioning rod and the leveling steel plate are overlapped, and the axial directions of the 2 leveling pipe bubbles are mutually perpendicular and are arranged on the leveling steel plate.

According to the measuring method of the power transmission line iron tower foundation bolt detection device provided by the application, in the step S2, the method for calibrating the power transmission line iron tower foundation bolt detection device comprises the following steps: the fixing nut is fastened on the checking foundation bolt (the foundation bolt with the same standard and vertical checking calibration), the upper surface of the fixing nut is flush with the top surface of the foundation bolt, the assembly finished in the step S1 is put to enable the leveling steel plate to coincide with the central line of the fixing nut, the vertical projection of the bubble of the leveling instrument is located at the center of the positioning calibration line (the second preferred scheme is a strip calibration line), and the leveling steel plate is welded on the upper surface of the fixing nut.

According to the measuring method of the power transmission line iron tower foundation bolt detection device provided by the application, in the step S4, the method for judging the levelness of the foundation bolt comprises the following steps: observing the vertical projection boundary of the bubble of the circular level, wherein the levelness is good as shown in an inner circle circular line; if the levelness is acceptable in the error range when the levelness is indicated to be outside the inner circle circular line and inside the outer circle circular line, if the levelness of the foundation bolt is not acceptable when the levelness is indicated to be outside the outer circle circular line, the foundation bolt needs to be adjusted; if the level adopts a second preferable scheme, the boundary of the vertical projection of the bubbles of the two level tube bubbles indicates good levelness in the inner frame line; when the boundary of at least 1 bubble is outside the outer frame line, the levelness is unqualified, and the foundation bolts are required to be adjusted; other cases indicate that levelness is acceptable within the error range.

The application has the advantages that: 1. according to the device, the levelness condition of the foundation bolt can be accurately judged by observing the vertical projection position of the bubble of the level gauge; the center position of the foundation bolt and the top standard height of the end top of the foundation bolt can be judged whether to be in compliance or not by comparing the upper tip of the positioning rod with the detection positioning line;

2. the circular level of the device is filled with liquid and bubbles insoluble in the liquid, the liquid flows to enable the small bubbles to be always at the highest position, and the levelness is judged very simply and conveniently through the vertical projection position of the bubbles;

3. the center of the bottom surface of the container of the circular level is coincident with the center of the top surface of the leveling steel plate, so that the center line of the circular level is coincident with the center line of the leveling steel plate, the center position of the top surface of the foundation bolt is positioned on the center line of the circular level, and compared with the center of the leveling steel plate which is not contacted with the circular level, the size of the circular level can be larger, the levelness can be observed more easily, the installation of the positioning rod is facilitated, and the center position of the foundation bolt is convenient to measure;

4. the center lines of the round level, the positioning calibration line and the leveling steel plate are overlapped, and whether the levelness is qualified can be judged by observing the vertical projection of the bubble of the round level and comparing with the positioning calibration line;

5. the positioning calibration line comprises a cross line and a plurality of circles of circular lines, the cross line is convenient for positioning and installing centers of the circular level and the contrast bubble, the circles of circular lines are used for comparing whether the vertical projection boundary of the bubble of the circular level is in the circular line or not, and the levelness condition of the foundation bolt is convenient to judge;

6. the center line of the positioning rod coincides with the center line of the circular level instrument container, so that whether the upper end tip of the positioning rod is on the same horizontal plane with the detection positioning line or not can be directly observed when the foundation bolt is measured, and whether the end top standard height of the foundation bolt is in compliance or not is judged;

7. when the leveling instrument adopts two leveling tube bubbles which are mutually perpendicular in the axial direction, the positioning rod is directly adhered to the leveling steel plate, so that the leveling instrument is more convenient to install;

8. the center lines of the positioning rod, the fixing nut and the leveling steel plate coincide, the upper tip of the positioning rod is also arranged on the center line of the foundation bolt, and the deviation condition of the center position of the foundation bolt can be judged by comparing the upper tip of the positioning rod with the detection positioning line;

9. the conical surface of the positioning rod is provided with a plurality of scale marks which are distributed at intervals along the length direction of the positioning rod, so that the vertical height difference between the upper tip of the positioning rod and the detection positioning line can be conveniently measured;

10. the scale mark of this application is encircleed in the locating lever outside and with locating lever central line vertically cyclic annular lines, the reading when being convenient for contrast with detecting the locating line.

The device of this application simple structure, convenient operation utilizes the forced centering principle, can effectually improve measurement accuracy and reduce the check degree of difficulty when retesting rag bolt position.

Drawings

Fig. 1: schematic use diagram of the power transmission line iron tower foundation bolt detection device;

fig. 2: an enlarged schematic diagram of the power transmission line iron tower foundation bolt detection device;

fig. 3: overhead view of the power transmission line iron tower foundation bolt detection device;

fig. 4: a top view of a second version of the level;

fig. 5: detecting a traction schematic diagram of a positioning line;

wherein: 1-a positioning rod; 2-a circular level; 3-positioning calibration line; 31-inner circle circular line; 32-an outer circle circular line; 33-bar calibration line; 4, leveling the steel plate; 5-fixing the nut; 6, leveling tube bubbles; 7-anchor bolts; 8, detecting a positioning line, 9, and arranging a tip; 10-auxiliary piles; 11-center stake.

Detailed Description

Embodiments of the present utility model are described in detail below, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary by referring to the drawings, which are not drawn to scale, for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The utility model will now be described in further detail with reference to the drawings and to specific examples.

The utility model relates to a transmission line iron tower rag bolt detection device for detect pre-buried rag bolt 7, can pinpoint at rag bolt 7 top center, utilize the device to check levelness from the spirit level of taking, rag bolt 7's central line is fixation nut 5's central line promptly, locating lever 1, leveling steel sheet 4 and fixation nut 5's central line coincidence, the last pointed end 9 of contrast locating lever 1 is convenient for check bolt central point put, end top elevation, straightness that hangs down with detecting locating line 8, obtain accurate measurement sign.

The power transmission line iron tower foundation bolt detection device specifically is shown in figures 1-4, and comprises a fixing nut 5, a leveling steel plate 4, a leveling instrument and a positioning rod 1, wherein the fixing nut 5 is in spiral connection with the top of an foundation bolt 7; the leveling steel plate 4 is welded and fixed on the top surface of the fixed nut 5; the leveling instrument is arranged on the leveling steel plate 4 and is used for acquiring the levelness of the leveling steel plate 4; the positioning rod 1 is vertically arranged on the leveling steel plate 4; the center line of the locating rod 1, the center line of the fixing nut 5 and the center line of the leveling steel plate 4 are coincident.

The specific use is carried out according to the following steps:

s1, connecting components of an anchor bolt detection device of a power transmission line iron tower to obtain an assembly;

s2, calibrating a power transmission line iron tower foundation bolt detection device;

s3, screwing and fixing the power transmission line iron tower foundation bolt detection device on the foundation bolt 7 to be detected;

s4, overlooking bubbles in the leveling instrument, comparing the position relation of the vertical projection boundary of the bubbles, and judging the levelness condition of the foundation bolt 7;

s5, a horizontal detection positioning line 8 is pulled out through a center pile 11 and an auxiliary pile 10, wherein the vertical distance of the detection positioning line 8 higher than the detection foundation bolt 7 is equal to the vertical height of the detection device except the fixing nut 5;

s6, observing the upper tip 9 of the positioning rod 1, if the upper tip 9 deviates from the detection positioning line 8, measuring the horizontal distance and the height deviation of the upper tip 9 and the detection positioning line, and indicating the bolt center position and the end top standard height compliance of the foundation bolt 7 without deviation;

in a further embodiment of the present application, the circular level 2 is optimized according to the present embodiment, specifically, as shown in fig. 1-3, the circular level 2 includes a hemispherical transparent container, a liquid and a bubble insoluble in the liquid are filled in the container, the liquid flows to make the small bubble always be at the highest position, the top surface of the anchor bolt 7, that is, the top surface of the fixing nut 5 is parallel to the upper surface of the leveling steel plate 4, the circular level 2 is arranged on the leveling steel plate 4, and whether the levelness of the anchor bolt 7 is qualified can be judged by comparing the vertical projection of the small bubble with the positioning calibration line 3.

In a further embodiment of the present application, the circular level 2 is optimized, and specifically, as shown in fig. 1-3, the circular level 2 is located at the middle position of the leveling steel plate 4; the center of the bottom surface of the container of the circular level 2 coincides with the center of the leveling steel plate 4, so that the center line of the circular level 2 coincides with the center line of the leveling steel plate 4, and the center line of the circular level 2 is the center line of the foundation bolt 7, so that the center position of the foundation bolt 7 can be measured at the back conveniently.

In a further embodiment of the present application, the leveling steel plate 4 is optimized in this embodiment, and specifically, as shown in fig. 2-3, a positioning calibration line 3 is disposed on the leveling steel plate 4, and a center of the positioning calibration line 3 coincides with a center of a top surface of the leveling steel plate 4. Because the center of the positioning calibration line 3 must be on the center line of the circular level 2, the vertical projection of the air bubble of the circular level 2 is in the inner circle circular line 31 of the positioning calibration line 3 during horizontal measurement, the levelness condition of the foundation bolt 7 can be accurately judged during measurement, the center line of the circular level 2 coincides with the center line of the leveling steel plate 4, and when the center of the positioning calibration line 3 coincides with the center of the leveling steel plate 4, the vertical projection of the air bubble of the circular level 2 is in the inner circle circular line 31 of the positioning calibration line 3.

In the preferred embodiment of the present application, the present embodiment optimizes the leveling steel plate 4 and the fixing nut 5, specifically, as shown in fig. 2, the cross section of the fixing nut 5 is a regular hexagon, the leveling steel plate 4 is a metal plate with the same shape and size as the cross section of the fixing nut 5, and the intersection point of the connecting lines of two pairs of diagonal angles of the leveling steel plate 4 is the center of the leveling steel plate 4, so that it is very convenient to find the center of the leveling steel plate 4.

In a further embodiment of the present application, the positioning calibration line 3 is optimized, specifically, as shown in fig. 2 to 3, the positioning calibration line 3 includes a cross line and a plurality of circles of circular lines, the cross line includes two straight lines that are vertically intersected in the same plane, and an intersection point of the cross line coincides with a center of the leveling steel plate 4; the circles of circular lines are distributed at intervals along the radial direction, the circle centers of the circles of circular lines are coincident with intersection points of the cross lines, and the circles of circular lines comprise an inner circle of circular lines 31 and an outer circle of circular lines 32. When the leveling instrument is used, the circle center of the bottom surface of the circular leveling instrument 2 and the intersection point of the cross line are overlapped and arranged on the leveling steel plate 4, the position relationship between the vertical projection boundary of the bubble of the circular leveling instrument 2 and the multi-circle circular line of the positioning calibration line 3 is observed in overlooking, the levelness condition of the foundation bolt 7 is judged, and if the vertical projection boundary of the bubble indicates that the levelness is good in the inner circle circular line 31; indicating that the levelness is within an acceptable error range as outside the inner circle line 31 and inside the outer circle line 32; the range beyond the outer circle line 32 indicates that the levelness is not compliant, and the foundation bolt 7 needs to be adjusted.

In a further embodiment of the present application, the positioning rod 1 is optimized in this embodiment, specifically, as shown in fig. 1-2, the lower end of the positioning rod 1 is adhered and fixed on the top of the container of the circular level 2, and the center line of the positioning rod 1 coincides with the center line of the container of the circular level 2. Thus, the center line of the positioning rod 1, the center line of the circular level 2 and the center line of the leveling steel plate 4 are overlapped, the sum of the thickness of the leveling steel plate 4, the height of the circular level 2 and the vertical height of the positioning rod 1 is the vertical height of the device except the fixing nut 5, and the height difference between the detection positioning line 8 and the detection positioning bolt is equal to the vertical height of the device except the fixing nut 5, so that the upper top end of the positioning rod 1 and the detection positioning line 8 can be directly observed when the positioning bolt 7 is measured, and whether the end top mark height of the positioning bolt 7 is in compliance is judged.

In other embodiments of the present application, a second preferred solution of the level is adopted in the present embodiment, so that the level is optimized, and specifically as shown in fig. 4, the level includes 2 level tube bubbles 6 that are perpendicular to each other in the axial direction, the level tube bubbles 6 include a strip-shaped sealed container, the strip-shaped sealed container is filled with a liquid and a bubble that is insoluble in the liquid, and the bubble can move in the strip-shaped sealed container along the axial direction of the level tube bubble; the bubble 6 of the levelling tube is provided with a strip-shaped positioning line 33, and the strip-shaped positioning line 33 comprises an inner frame line and an outer frame line. When horizontal, the vertical projection of the bubbles of the two level vial bubbles 6 are located within the inner frame line. When the leveling device is used, the center of the bottom surface circle of the positioning rod 1 is aligned with the center of the leveling steel plate 4 and is adhered to the leveling steel plate 4, so that the center lines of the positioning rod 1 and the leveling steel plate 4 are overlapped, the axial directions of the 2 leveling pipe bubbles are mutually arranged on the leveling steel plate 4 in a hammer mode, the vertical height of the positioning rod 1 is larger than the height of the leveling pipe bubbles 6, and the sum of the thickness of the leveling steel plate 4 and the vertical height of the positioning rod 1 is the vertical height of the device except for the fixing nut 5. When judging the levelness of the foundation bolt 7, for example, the boundaries of vertical projections of bubbles of the two level pipe bubbles 6 indicate that the levelness is good in an inner frame line; when the boundary of at least 1 bubble is outside the outer frame line, the levelness is unqualified, and the foundation bolts 7 are required to be adjusted; other cases indicate that levelness is acceptable within the error range.

In a further embodiment of the present application, the positioning rod 1 is optimized in this embodiment, specifically, as shown in fig. 2, the positioning rod 1 is in a tapered rod structure with a smaller top and a larger bottom, and the upper tip 9 of the positioning rod 1 is located on the center line of the positioning rod 1. The center line of the foundation bolt 7, namely the center line of the fixing nut 5, coincides with the center lines of the leveling steel plate 4 and the positioning rod 1, namely the upper tip 9 of the positioning rod 1 is arranged on the center line of the foundation bolt 7, whether the upper tip 9 of the positioning rod 1 and the detection positioning line 8 are arranged on the same vertical line is observed, and whether the center position of the bolt of the foundation bolt 7 is in compliance is judged.

In a further embodiment of the present application, the positioning rod 1 is optimized in this embodiment, specifically, a plurality of scale lines are disposed on the conical surface of the positioning rod 1 and distributed at intervals along the length direction of the positioning rod 1, and when the upper tip 9 of the positioning rod 1 is higher than the detection positioning line 8 and the deviation in the horizontal direction is very small, the height difference between the upper tip 9 and the detection positioning line 8 can be directly observed and read by the scale lines, so that the repeated measurement by using other measuring tools is avoided.

In the preferred embodiment of the present application, the scale marks on the positioning rod 1 are optimized, specifically, the scale marks are set to be annular lines surrounding the outer side of the positioning rod 1 and perpendicular to the central line of the positioning rod 1, so that the scale marks can be conveniently read when compared with the detection positioning lines.

In actual use, the positioning calibration line 3 is marked on the center of the leveling steel plate 4, the center of the positioning calibration line 3 coincides with the center of the leveling steel plate 4, specifically, two mutually perpendicular straight lines are drawn by taking the center of the leveling steel plate 4 as an intersection point to obtain cross lines, a plurality of circles of circular lines are drawn by taking the intersection point of the cross lines as the circle center to obtain the positioning calibration line 3, the circular leveling instrument 2 is installed after the center of the bottom surface of the circular leveling instrument 2 coincides with the center of the positioning calibration line 3, the center of the positioning calibration line 3 is arranged on the center line of the circular leveling instrument 2, the center line of the bottom surface of the positioning rod 1 is adhered to the top end of the circular leveling instrument 2 above the center of the bottom surface of the circular leveling instrument 2, the center line of the positioning rod 1 coincides with the center line of the circular leveling instrument 2 to obtain a combined piece, the fixing nut 5 is fastened on a checking and calibrating anchor bolt (the same-specification anchor bolt which is checked and calibrated to be vertical), the upper surface of the fixing nut 5 is aligned with the surface of the checking and the upper surface of the anchor bolt, the positioning steel plate 4 is aligned with the surface of the fixing nut 5, the positioning nut 2 is aligned with the surface of the inner ring, the air bubble is well positioned in the inner circle 3 of the leveling instrument 2, and the inner ring is positioned within the plane 3 is in the range of the inner circle 3, and the inner circle 3 is well in the range of the leveling bolt is in the inner circle 3, and the level of the leveling bolt is in the level range of the leveling instrument is well, and the inner circle 3 is in the level 31 is in the vertical state, and the level error is in the plane 31 is well; if the outer ring circular line 32 is exceeded, the foundation bolt 7 needs to be adjusted to be qualified in levelness, then, the horizontal detection positioning line 8 is pulled out through the center pile 11 and the auxiliary pile 10, the vertical distance of the detection positioning line 8 higher than that of the verification foundation bolt is equal to the vertical height of the detection device except for the fixing nut 5, the upper tip 9 of the positioning rod 1 is observed, if deviation exists between the detection positioning line 8 and the detection positioning line, the horizontal distance and the height deviation of the detection positioning line 8 and the detection positioning line are measured and recorded to be used as reference bases for adjusting the foundation bolt 7, and the deviation-free specification of the bolt center position and the end top mark height compliance of the foundation bolt 7 is achieved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a transmission line iron tower rag bolt detection device, includes threaded connection in fixation nut (5) at rag bolt (7) top, welds leveling steel sheet (4) at fixation nut (5) top surface, its characterized in that: the apparatus comprises a device for the treatment of a patient,

the leveling instrument is arranged on the leveling steel plate (4) and used for acquiring levelness of the leveling steel plate (4);

the positioning rod (1), the positioning rod (1) is vertically arranged on the leveling steel plate (4);

the center line of the locating rod (1), the center line of the fixing nut (5) and the center line of the leveling steel plate (4) are overlapped.

2. The power transmission line iron tower foundation bolt detection device of claim 1, wherein: the level comprises a round level (2), wherein the round level (2) comprises a hemispherical transparent container filled with liquid and bubbles insoluble in the liquid.

3. The power transmission line iron tower foundation bolt detection device of claim 2, wherein: the round level gauge (2) is positioned in the middle of the leveling steel plate (4); the center of the bottom surface of the container of the circular level gauge (2) coincides with the center of the leveling steel plate (4).

4. A power transmission line pylon foundation bolt detection apparatus as claimed in claim 3, wherein: a positioning calibration line (3) is arranged on the leveling steel plate (4); the center of the positioning calibration line (3) coincides with the center of the leveling steel plate (4).

5. The power transmission line iron tower foundation bolt detection device of claim 4, wherein: the positioning calibration line (3) comprises,

the cross line comprises two straight lines which are vertically intersected in the same plane, and the intersection point of the cross line coincides with the center of the leveling steel plate (4);

the circle centers of the circles of circular lines are overlapped with the intersection points of the cross lines; the multi-turn round wire comprises an inner turn round wire (31) and an outer turn round wire (32).

6. The power transmission line iron tower foundation bolt detection device of claim 5, wherein: the lower end of the positioning rod (1) is stuck and fixed at the top of the container of the circular level (2), and the center line of the positioning rod (1) coincides with the center line of the container of the circular level (2).

7. The power transmission line iron tower foundation bolt detection device of claim 1, wherein: the leveling instrument comprises 2 leveling tube bubbles (6) which are mutually perpendicular in the axial direction, wherein each leveling tube bubble (6) comprises a strip-shaped sealing container, and the strip-shaped sealing container is filled with liquid and bubbles which are insoluble in the liquid; the air bubble (6) of the leveling pipe is provided with a strip-shaped positioning line (33), and the strip-shaped positioning line (33) comprises an inner frame line and an outer frame line.

8. A power transmission line pylon anchor bolt detection apparatus as claimed in claim 6 or claim 7, wherein: the locating rod (1) is of a conical rod-shaped structure with a small upper part and a large lower part, and the upper tip (9) of the locating rod (1) is positioned on the central line of the locating rod (1).

9. The power transmission line iron tower foundation bolt detection device of claim 8, wherein: the conical surface of the positioning rod (1) is provided with a plurality of scale marks which are distributed at intervals along the length direction of the positioning rod (1).

10. The power transmission line iron tower foundation bolt detection device of claim 9, wherein: the scale lines are annular lines which encircle the outer side of the positioning rod (1) and are perpendicular to the central line of the positioning rod (1).