CN219996067U - Section steel distortion measuring device - Google Patents

Abstract

The utility model provides a section steel torsion measuring device, which belongs to the technical field of torsion measurement and comprises a support frame, wherein the support frame comprises a positioning dial and a fixing mechanism, the fixing mechanism is connected with one end of section steel, the positioning dial is connected with the fixing mechanism and a support rod, at least two detection mechanisms are arranged on the support rod, and each detection mechanism comprises an adjusting component, a positioning component and an infrared component; adjusting part one end fixed connection locating component, the infrared ray subassembly of the other end fixed connection, infrared ray subassembly is fixed on the bracing piece and throws the infrared ray on the location calibrated scale, the one end of fixed establishment fixed connection shaped steel that sets up on the location calibrated scale, the tight face of waiting of shaped steel of locating component subsides of detection mechanism on the cooperation bracing piece, when firmly fixed and tight shaped steel wait to detect the face, make shaped steel distortion measuring device accessible two infrared ray subassembly dotting the position on the location calibrated scale, judge the degree of torsion of shaped steel wait to detect the face.

Description

Section steel distortion measuring device

Technical Field

The utility model belongs to the technical field of torsion measurement, and particularly relates to a section steel torsion measurement device.

Background

Different degrees of distortion can be generated in the process of the production and processing of the section steel, and the torsion degree of the section steel needs to be measured in order to ensure the quality of the section steel.

Although there are some accurate devices for measuring the torsion of the profile steel at present, in order to be suitable for large-scale profile steel, the devices often have huge size and structure and are usually arranged in a production enterprise of the profile steel, and in the processing process of a construction site, if the profile steel is distorted in the processing process, the torsion of the profile steel is measured mainly by manually detecting simple devices such as a tape and a steel rule by staff, and a test method for checking the torsion of a column body of the profile steel by using a stay wire, a hanging wire and the steel rule is described in a continuous table C.0.3 of steel structure engineering construction quality acceptance specification (GB 50205-2001).

Specifically, firstly, the section steel is placed on a platform, the surface to be detected of the first end of the section steel is adjusted to be consistent with the first vertical hanging wire and is fixed, the second vertical hanging wire is used for measuring the included angle between the surface to be detected of the second end of the section steel and the second vertical hanging wire, in a right-angled triangle formed by the second vertical hanging wire and the surface to be detected of the second end of the section steel, the longest right-angle edge of the relative position of the included angle is a torsion value, the mode of measuring torsion degree is time-consuming and labor-consuming, the detection efficiency is low, the subsequent processing of the section steel is affected to a certain extent, and the requirement on the market cannot be met.

Chinese patent discloses a steel structural member torsion degree check out test set (grant bulletin number CN 217083675U), this patent technology is through placing the steel structural member that waits to detect in suitable position department on the base, through adjusting first detection piece, make the location plectane on the first detection piece laminate with the detection face of the steel structural member that waits to detect, can record the initial position of the steel structural member that waits to detect the face through first detection piece, make the location plectane on the second detection piece laminate with the detection face of the steel structural member that waits to detect through adjusting the second detection piece, can record another position that the steel structural member detected through the second detection piece, can detect the torsion degree of steel structural member through the skew of the position that the infrared laser lamp hit on the comparison two detection pieces, the simple operation is accurate; however, when the steel structural member is measured, a worker is required to hold the steel structural member all the time, and in the process, the steel structural member is easily inclined by a little hand of the worker, so that the steel structural member is inaccurately measured.

Disclosure of Invention

In view of the above, the utility model provides a section steel torsion measuring device, which is characterized in that a positioning assembly is tightly attached to a surface to be detected of section steel through a mechanical structure of a fixing mechanism, so that the technical problem that in the prior art, when measuring, a worker is required to hold a steel structural member all the time, and in the process, if the worker slightly moves by hand, the steel structural member is easy to incline, and the measurement of the steel structural member is inaccurate is avoided.

The technical scheme provided by the utility model is as follows: the utility model provides a shaped steel distortion measuring device, includes the support frame, and the support frame includes location calibrated scale, fixed establishment, and fixed establishment and bracing piece are connected to the location calibrated scale, are provided with two at least detection mechanism on the bracing piece.

Through the one end of fixed establishment fixed connection shaped steel that sets up on the location calibrated scale, the tight face of waiting of shaped steel of detection mechanism's locating component subsides on the cooperation bracing piece, when firmly fixed and tight shaped steel wait to detect the face, make shaped steel distortion measuring device can pass through detection mechanism steadily, judge the degree of torsion of shaped steel wait to detect the face, can effectively reduce the error that the manual operation arouses.

Further, the fixed establishment includes the fixed plate, and the fixed plate is connected and is fixed with first slide rail, second slide rail on the fixed plate, and first slide rail sliding connection first splint, second slide rail sliding connection second splint.

Through the double-fixing plate structure of fixed plate and location calibrated scale, realize the diversified different connected mode of multi-angle, make the support frame pass through the cooperation of fixed plate and location calibrated scale, can fix multiple specification and figurative shaped steel, avoided conventional fixing device to fix the angle restriction on single bottom plate, and realize the centre gripping of shaped steel fixedly through first splint and second splint.

Further, a first connecting rod mechanism is arranged between one end of the first clamping plate, which is positioned on the left side of the first sliding rail, and one end of the second clamping plate, which is positioned on the left side of the second sliding rail, and a second connecting rod mechanism is arranged between one end of the first clamping plate, which is positioned on the right side of the first sliding rail, and one end of the second clamping plate, which is positioned on the right side of the second sliding rail;

the first clamping plate, the first connecting rod mechanism and the second clamping plate are sequentially connected with the first clamping plate, the left first connecting rod, the left second connecting rod, the left third connecting rod and the second clamping plate end to end, and the first clamping plate, the second connecting rod mechanism and the second clamping plate are sequentially connected with the first clamping plate, the right first connecting rod, the right second connecting rod, the right third connecting rod and the second clamping plate end to end;

the middle parts of the left connecting rod and the right connecting rod are provided with rotating shafts, one end of each rotating shaft is vertically connected with the left connecting rod and the right connecting rod, and the other end of each rotating shaft is vertically connected with a fixing plate.

The Z-shaped first connecting rod mechanism and the second connecting rod mechanism are formed by the left connecting rod, the left second connecting rod, the left three connecting rod, the right first connecting rod, the right second connecting rod and the right three connecting rod, and the rotation shafts of the left second connecting rod and the right second connecting rod are used as centers, so that the first clamping plate and the second clamping plate are driven by the first connecting rod mechanism and the second connecting rod mechanism to move in opposite directions along the first sliding rail and the second sliding rail respectively, and further the first clamping plate and the second clamping plate simultaneously move towards the centers to clamp the profile steel or the first clamping plate and the second clamping plate simultaneously move outwards to loosen the profile steel.

Further, the first clamping plate is connected with the telescopic end of the telescopic cylinder, and the telescopic direction of the telescopic cylinder is parallel to the first sliding rail.

The moving direction of the first clamping plate is controlled through the telescopic cylinder, and meanwhile, the first clamping plate and the second clamping plate can be synchronously controlled through a single telescopic cylinder by combining the connection mode of the first connecting rod mechanism and the second connecting rod mechanism between the first clamping plate and the second clamping plate.

Further, a section steel fixing column is arranged between the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are symmetrically arranged relative to the section steel fixing column.

The sealing plate or the supporting plate at the end part of the section steel is supported by the section steel fixing column, so that the application range of the fixing mechanism is further increased.

Further, the longitudinal sections of the first clamping plate and the second clamping plate are provided with bending structures.

Further, the detection mechanism comprises an adjusting component, a positioning component and an infrared component; one end of the adjusting component is fixedly connected with the positioning component, the other end of the adjusting component is fixedly connected with the infrared component, the positioning component can be attached to a surface to be detected of the section steel, and the infrared component is fixed on the supporting rod and projects infrared rays on the positioning dial.

Further, the adjusting component comprises a gear box, a fixed rod is fixedly connected in the gear box, the fixed rod is slidably connected with a telescopic rack, the telescopic rack is meshed with a gear, a shaft hole is formed in the gear box, the gear is provided with a gear shaft, the gear shaft penetrates through the shaft hole and is rotationally connected with the gear box, one end of the gear shaft penetrating out of the gear box is fixedly connected with a rocker, and the telescopic rack penetrates out of one end of the gear box to be fixedly connected with a positioning component.

The rocker is rotated to drive the gear shaft and the gear to rotate, and then the gear drives the telescopic rack meshed with the gear to produce sliding displacement with the fixed rod, so that the telescopic function of the telescopic rack is realized, and the positioning assembly is driven to be closely attached to the surface to be detected of the section steel.

Further, the adjusting component is connected with the self-locking component, a self-locking hole is formed in the gear box, the self-locking hole penetrates through the self-locking rod, a first limiting block is arranged on the outer side face of the self-locking rod, a second limiting block is arranged on the inner side face of the self-locking rod, and a spring is arranged between the second limiting block and the inner side face of the gear box;

one end of the self-locking rod, which is far away from the first limiting block, is hinged with the self-locking block, the self-locking block is meshed with the telescopic rack, a stop block is arranged on one side of the self-locking rod, which is far away from the positioning component, and the stop block is in contact with one side of the self-locking block, which is far away from the positioning component.

The rotation direction of the self-locking block is limited by the stop block, so that the self-locking block can only rotate in the extending direction of the telescopic rack by taking the hinge shaft of the self-locking rod as the center, but cannot rotate in the retracting direction of the telescopic rack, the self-locking limit of the telescopic rack is realized, and the self-locking limit of the self-locking rod and the self-locking block on the telescopic rack can be released when the first stop block is lifted upwards by the spring between the second stop block and the inner side surface of the gear box.

Further, the infrared component comprises a supporting sleeve, the supporting sleeve is in sliding connection with the supporting rod, an infrared lamp is arranged on one side of the supporting sleeve, and the other side of the supporting sleeve is fixedly connected with the adjusting component.

And judging the torsion degree of the surface to be detected of the section steel through the positions of the infrared lamps of the two infrared assemblies on the positioning dial.

Further, the support sleeve is also provided with a support bolt, the support bolt comprises a threaded part and a knob part, the support sleeve is provided with a threaded hole, the threaded hole penetrates through the outer side face of the support sleeve and the inner side face of the support sleeve, the inner side face of the support sleeve is tightly attached to the support rod, the threaded part is in threaded connection with the threaded hole, and the end part of the threaded part penetrates out of the threaded hole.

After the supporting bolt passes through the threaded hole, the end part of the supporting bolt is tightly propped against the supporting rod, and the gap between one side of the supporting bolt and the supporting rod is enlarged through the threaded connection of the supporting bolt and the supporting sleeve, so that one side of the supporting sleeve, which is opposite to the supporting bolt, firmly presses the supporting rod, and the supporting sleeve is fixed on the supporting rod.

Further, radial angle lines are arranged on the positioning dial by taking the supporting rods as the centers.

From the above technical scheme, the utility model has the following advantages:

1. according to the utility model, one end of the section steel is clamped and fixed by the first clamping plate and the second clamping plate of the fixing mechanism, and the rocker is utilized to drive the gear of the adjusting assembly to rotate so as to control the expansion and contraction amount of the telescopic rack, so that the positioning assembly is tightly attached to the surface to be detected of the section steel, and the problems that the measurement generated by manually fixing the section steel in the existing detecting equipment is not accurate enough and the positioning circular plate is not tightly attached to the surface to be detected of the section steel in the existing detecting equipment are solved.

2. According to the utility model, through the double-fixing plate structure of the fixing plate and the positioning dial, different connecting modes of multiple angles and multiple directions are realized, the supporting frame can fix profile steels with various specifications and shapes through the matching of the fixing plate and the positioning dial, the angle limitation of the conventional fixing device fixed on a single bottom plate is avoided, and the clamping and fixing of the profile steels are realized through the first clamping plate and the second clamping plate.

3. The first clamping plate and the second clamping plate are connected through the connecting rod mechanism, so that the first clamping plate and the second clamping plate can simultaneously move towards the center to clamp the section steel or simultaneously move towards the outer side to loosen the section steel under the driving of the connecting rod mechanism.

It follows that the beneficial effects of the utility model as it is achieved are obvious compared to the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a section steel torsion measuring apparatus.

Fig. 2 is a schematic structural view of a detection mechanism in the section steel distortion measuring apparatus.

Fig. 3 is a schematic structural view of an adjusting assembly in the section steel torsion measuring apparatus.

Fig. 4 is a schematic structural view of a self-locking rod and a self-locking block in the section steel torsion measuring device.

Fig. 5 is a schematic structural view of a fixing mechanism in the section steel torsion measuring apparatus.

In the figure: 1. a support frame; 2. positioning a dial; 3. a support rod; 4. a support sleeve; 5. a support bolt; 6. an infrared lamp; 7. a positioning assembly; 8. an adjustment assembly; 9. a fixing mechanism; 10. section steel; 11. a gear box; 12. a rocker; 13. a gear; 14. a telescopic rack; 15. a fixed rod; 16. a self-locking assembly; 17. a self-locking lever; 18. a first limiting block; 19. a second limiting block; 20. a spring; 21. a stop block; 22. a self-locking block; 23. a hinge shaft; 24. a fixing plate; 25. a first clamping plate; 26. a second clamping plate; 27. a first slide rail; 28. a right connecting rod; 29. a right three connecting rod; 30. a left connecting rod; 31. a right two connecting rods; 32. a section steel fixing column; 33. and a telescopic cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the section steel distortion measuring device comprises a supporting frame 1, wherein the supporting frame 1 comprises a positioning dial 2 and a fixing mechanism 9, the fixing mechanism 9 is connected with one end of a section steel 10, the positioning dial 2 is connected with the fixing mechanism 9 and a supporting rod 3, at least two detection mechanisms are arranged on the supporting rod 3, and each detection mechanism comprises an adjusting component 8, a positioning component 7 and an infrared component; one end of the adjusting component 8 is fixedly connected with the positioning component 7, the other end of the adjusting component is fixedly connected with the infrared component, the positioning component 7 is attached to the surface to be detected of the section steel 10, and the infrared component is fixed on the supporting rod 3 and projects infrared rays on the positioning dial 2.

One end of the steel section 10 is fixedly connected through a fixing mechanism 9 arranged on the positioning dial 2, a positioning component 7 matched with a detecting mechanism on the supporting rod 3 is tightly attached to the surface to be detected of the steel section 10, and the steel section 10 is firmly fixed and tightly attached to the surface to be detected, so that the steel section torsion measuring device can judge the torsion degree of the surface to be detected of the steel section 10 through the positions of two infrared components at the positioning dial 2.

In one embodiment, the fixing mechanism 9 includes a fixing plate 24, the fixing plate 24 is connected with the positioning dial 2, a first sliding rail 27 and a second sliding rail are fixed on the fixing plate 24, the first sliding rail 27 is slidably connected with the first clamping plate 25, and the second sliding rail is slidably connected with the second clamping plate 26.

Through the double-fixing plate structure of the fixing plate 24 and the positioning dial 2, different connecting modes of multi-angle and multi-azimuth are realized, so that the support frame 1 can fix the profile steel 10 with various specifications and shapes through the matching of the fixing plate 24 and the positioning dial 2, the angle limitation that the conventional fixing device is fixed on a single bottom plate is avoided, and the clamping fixation of the profile steel 10 is realized through the first clamping plate 25 and the second clamping plate 26.

In one embodiment, a first link mechanism is disposed between an end of the first clamping plate 25 located on the left side of the first sliding rail 27 and an end of the second clamping plate 26 located on the left side of the second sliding rail, and a second link mechanism is disposed between an end of the first clamping plate 25 located on the right side of the first sliding rail 27 and an end of the second clamping plate 26 located on the right side of the second sliding rail.

The first clamping plate 25, the first connecting rod mechanism and the second clamping plate 26 are sequentially connected with the first clamping plate 25, the left connecting rod 30, the left second connecting rod, the left third connecting rod and the second clamping plate 26 end to end, and the first clamping plate 25, the second connecting rod mechanism and the second clamping plate 26 are sequentially connected with the first clamping plate 25, the right first connecting rod 28, the right second connecting rod 31, the right third connecting rod 29 and the second clamping plate 26 end to end.

A rotating shaft is arranged in the middle of the left connecting rod and the right connecting rod 31, one end of the rotating shaft is vertically connected with the left connecting rod and the right connecting rod 31, and the other end of the rotating shaft is vertically connected with the fixing plate 24.

The left connecting rod 30, the left two connecting rods, the left three connecting rods, the right first connecting rod 28, the right second connecting rod 31 and the right three connecting rods 29 form a Z-shaped first connecting rod mechanism and a Z-shaped second connecting rod mechanism, and the rotation shafts of the left two connecting rods and the right two connecting rods 31 are used as the centers, so that the first clamping plate 25 and the second clamping plate 26 are driven by the first connecting rod mechanism and the second connecting rod mechanism to respectively move in opposite directions along the first sliding rail 27 and the second sliding rail, and further the first clamping plate 25 and the second clamping plate 26 simultaneously move towards the center to clamp the profile steel 10 or the first clamping plate 25 and the second clamping plate 26 simultaneously move outwards to release the profile steel 10.

The first clamping plate 25 is connected with the telescopic end of the telescopic cylinder 33, and the telescopic direction of the telescopic cylinder 33 is parallel to the first sliding rail 27.

The moving direction of the first clamping plate 25 is controlled through the telescopic cylinder 33, and meanwhile, the first clamping plate 25 and the second clamping plate 26 can be synchronously controlled through the single telescopic cylinder 33 by combining the connection mode of the first connecting rod mechanism and the second connecting rod mechanism between the first clamping plate 25 and the second clamping plate 26.

A section steel fixing column 32 is arranged between the first clamping plate 25 and the second clamping plate 26, and the first clamping plate 25 and the second clamping plate 26 are symmetrically arranged about the section steel fixing column 32.

The sealing plate or the supporting plate at the end part of the section steel 10 is supported by the section steel fixing columns 32, so that the application range of the fixing mechanism 9 is further increased.

The longitudinal sections of the first clamping plate 25 and the second clamping plate 26 have bending structures.

In one specific embodiment, the adjusting component 8 comprises a gear box 11, a fixed rod 15 is fixedly connected in the gear box 11, the fixed rod 15 is slidably connected with a telescopic rack 14, the telescopic rack 14 is meshed with a gear 13, a shaft hole is formed in the gear box 11, the gear 13 is provided with a gear shaft, the gear shaft penetrates through the shaft hole and is rotationally connected with the gear box 11, one end of the gear shaft penetrating out of the gear box 11 is fixedly connected with a rocker 12, and one end of the telescopic rack 14 penetrating out of the gear box 11 is fixedly connected with the positioning component 7.

The rocker 12 is rotated to drive the gear shaft and the gear 13 to rotate, and then the gear 13 drives the telescopic rack 14 meshed with the gear 13 and the fixed rod 15 to generate sliding displacement, so that the telescopic function of the telescopic rack 14 is realized, and the positioning assembly 7 is driven to be closely attached to the surface to be detected of the section steel 10.

Further, the adjusting component 8 is connected with the self-locking component 16, the self-locking component 16 comprises a self-locking hole arranged on the gear box 11, the self-locking hole penetrates through the self-locking rod 17, a first limiting block 18 is arranged on the outer side face of the self-locking rod 17 located on the gear box 11, a second limiting block 19 is arranged on the inner side face of the self-locking rod 17 located on the gear box 11, and a spring 20 is arranged between the second limiting block 19 and the inner side face of the gear box 11.

One end of the self-locking rod 17 far away from the first limiting block 18 is hinged to a self-locking block 22, the self-locking block 22 is meshed with the telescopic rack 14, a stop block 21 is arranged on one side of the self-locking rod 17 far away from the positioning assembly 7, and the stop block 21 is in contact with one side of the self-locking block 22 far away from the positioning assembly 7.

The rotation direction of the self-locking block 22 is limited by the stop block 21, so that the self-locking block 22 can only rotate in the extending direction of the telescopic rack 14 by taking the hinge shaft 23 of the self-locking rod 17 as the center, but cannot rotate in the retracting direction of the telescopic rack 14, thereby realizing self-locking limit of the telescopic rack 14, and the self-locking limit of the self-locking rod 17 and the self-locking block 22 on the telescopic rack 14 can be released when the first stop block 18 is lifted upwards by the spring 20 between the second stop block 19 and the inner side surface of the gear box 11.

In one embodiment, the infrared component comprises a supporting sleeve 4, the supporting sleeve 4 is in sliding connection with the supporting rod 3, an infrared lamp 6 is arranged on one side of the supporting sleeve 4, and an adjusting component 8 is fixedly connected to the other side of the supporting sleeve 4.

And determining the torsion degree of the surface to be detected of the section steel 10 through the positions of the infrared lamps 6 of the two infrared assemblies on the positioning dial 2.

The support sleeve 4 is further provided with a support bolt 5, the support bolt 5 comprises a threaded part and a knob part, the support sleeve 4 is provided with a threaded hole, the threaded hole penetrates through the outer side face of the support sleeve 4 and the inner side face of the support sleeve 4, the inner side face of the support sleeve 4 is tightly attached to the support rod 3, the threaded part is in threaded connection with the threaded hole, and the end part of the threaded part penetrates out of the threaded hole.

After the supporting bolt 5 passes through the threaded hole, the end part of the supporting bolt 5 is tightly propped against the supporting rod 3, and the gap between one side of the supporting bolt 5 and the supporting rod 3 of the supporting sleeve 4 is enlarged through the threaded connection of the supporting bolt 5 and the supporting sleeve 4, so that one side of the supporting sleeve 4, which is opposite to the supporting bolt 5, firmly presses the supporting rod 3, and the supporting sleeve 4 is fixed on the supporting rod 3.

The positioning dial 2 is provided with radial angle lines with the supporting rod 3 as the center.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a shaped steel distortion measuring device, includes the support frame, its characterized in that, the support frame includes location calibrated scale, fixed establishment, location calibrated scale connection fixed establishment and bracing piece, is provided with two at least detection mechanism on the bracing piece.

2. The steel section torsion measuring apparatus of claim 1, wherein the fixing mechanism comprises a fixing plate, the fixing plate is connected with the positioning dial, a first sliding rail and a second sliding rail are fixed on the fixing plate, the first sliding rail is slidably connected with the first clamping plate, and the second sliding rail is slidably connected with the second clamping plate.

3. The section steel distortion measuring apparatus according to claim 2, wherein a first link mechanism is provided between an end of the first clamping plate located on the left side of the first slide rail and an end of the second clamping plate located on the left side of the second slide rail, and a second link mechanism is provided between an end of the first clamping plate located on the right side of the first slide rail and an end of the second clamping plate located on the right side of the second slide rail;

the first clamping plate, the first connecting rod mechanism and the second clamping plate are sequentially connected with the first clamping plate, the left first connecting rod, the left second connecting rod, the left third connecting rod and the second clamping plate end to end, and the first clamping plate, the second connecting rod mechanism and the second clamping plate are sequentially connected with the first clamping plate, the right first connecting rod, the right second connecting rod, the right third connecting rod and the second clamping plate end to end;

the middle parts of the left connecting rod and the right connecting rod are provided with rotating shafts, one end of each rotating shaft is vertically connected with the left connecting rod and the right connecting rod, and the other end of each rotating shaft is vertically connected with a fixing plate.

4. A section steel distortion measuring apparatus according to claim 2 or 3, wherein the first clamping plate is connected to the telescopic end of the telescopic cylinder, and the telescopic direction of the telescopic cylinder is parallel to the first slide rail.

5. The section steel distortion measuring apparatus according to claim 2, wherein a section steel fixing column is provided between the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are symmetrically arranged with respect to the section steel fixing column.

6. The steel section torsion measuring apparatus according to claim 1, wherein the detecting mechanism includes an adjusting member, a positioning member, an infrared member; one end of the adjusting component is fixedly connected with the positioning component, the other end of the adjusting component is fixedly connected with the infrared component, and the infrared component is fixed on the supporting rod and projects infrared rays on the positioning dial.

7. The steel section torsion measuring apparatus of claim 6, wherein the adjusting assembly comprises a gear box, a fixed rod is fixedly connected in the gear box, the fixed rod is slidably connected with a telescopic rack, the telescopic rack is meshed with a gear, a shaft hole is arranged on the gear box, the gear is provided with a gear shaft, the gear shaft penetrates through the shaft hole and is rotationally connected with the gear box, one end of the gear shaft penetrating out of the gear box is fixedly connected with a rocker, and one end of the telescopic rack penetrating out of the gear box is fixedly connected with the positioning assembly.

8. The section steel distortion measuring device according to claim 7, wherein the adjusting component is connected with the self-locking component, a self-locking hole is formed in the gear box, the self-locking rod penetrates through the self-locking hole, a first limiting block is arranged on the outer side face of the self-locking rod, a second limiting block is arranged on the inner side face of the self-locking rod, and a spring is arranged between the second limiting block and the inner side face of the gear box;

one end of the self-locking rod, which is far away from the first limiting block, is hinged with the self-locking block, the self-locking block is meshed with the telescopic rack, a stop block is arranged on one side of the self-locking rod, which is far away from the positioning component, and the stop block is in contact with one side of the self-locking block, which is far away from the positioning component.

9. The section steel distortion measuring apparatus of claim 6, wherein the infrared assembly comprises a support sleeve, the support sleeve is slidably connected with the support rod, an infrared lamp is arranged on one side of the support sleeve, and the other side of the support sleeve is fixedly connected with the adjusting assembly; the support sleeve is also provided with a support bolt, the support bolt comprises a threaded part and a knob part, the support sleeve is provided with a threaded hole, the threaded hole penetrates through the outer side face of the support sleeve and the inner side face of the support sleeve, the inner side face of the support sleeve is tightly attached to the support rod, the threaded part is in threaded connection with the threaded hole, and the end part of the threaded part penetrates out of the threaded hole.

10. The section steel distortion measuring apparatus according to claim 1, wherein the positioning dial is provided with radial angle lines centering on the support rod.