Steel column curvature measuring device

Abstract

The utility model discloses a steel column curvature measuring device, and belongs to the field of steel column curvature measuring devices.The steel column curvature measuring device comprises a positioning ring installed on the inner side of an assembly frame, a plurality of sets of laser scanners arranged on the inner side of the positioning ring, a guide wheel frame arranged on one side of the assembly frame and conveying rollers symmetrically distributed at the two ends of the assembly frame; fixing mechanisms corresponding to the multiple sets of laser scanners are arranged on the inner side of the assembling frame. The fixing seats are mounted at the preset mounting positions of a plurality of groups of laser scanners on the positioning ring, the positioning rail plates are mounted on each group of fixing seats, and the assembling plates are fixed on the bases of the laser scanners, so that when the laser scanners are mounted on the positioning ring, the limiting blocks only need to be manually pressed into the fixing seats; and the assembly plate is aligned to the opening of the positioning rail plate and inserted to the end, and at the moment, the limiting block resets to fix the assembly plate, so that the disassembly and assembly mode is more convenient, and workers can conveniently take down the laser scanner for cleaning and maintenance in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of steel column curvature measuring devices, in particular to a steel column curvature measuring device. Background Art

[0002] Steel columns are the main load-bearing components of steel structures. By measuring the curvature of steel columns, potential deformation problems can be discovered and corrected in a timely manner, thereby preventing safety accidents caused by structural instability. Steel columns are usually inspected using laser scanning equipment, usually including a variety of high-precision and high-efficiency 3D laser scanners. These devices use laser technology to quickly and accurately obtain the 3D coordinate data of the steel column surface, and then analyze the curvature of the steel column.

[0003] The existing method for measuring the curvature of steel columns is to use multiple sets of laser scanners installed on a ring frame. As the steel column passes through the ring frame, multiple sets of laser scanners distributed in a ring scan the steel column 360 degrees without blind spots. This scanning measurement method is highly accurate. However, since the laser scanner will accumulate dust and dirt during long-term use, which affects the measurement accuracy, it needs to be disassembled for thorough cleaning and maintenance to ensure its normal operation. However, for the sake of stability, the equipment is mostly fixed with screws, and each disassembly and assembly requires more time and effort. Utility Model Content

[0004] The technical problem to be solved by the utility model is that dust and dirt will accumulate in the laser scanner during long-term use, and it is inconvenient to disassemble, clean and maintain it.

[0005] In order to solve the above problems, the technical solution adopted by the present invention is as follows: The present invention is a steel column curvature measuring device, comprising a positioning ring installed on the inner side of an assembly frame and several groups of laser scanners arranged on the inner side of the positioning ring, a guide wheel frame arranged on one side of the assembly frame and conveying rollers symmetrically distributed at both ends of the assembly frame, a fixing mechanism corresponding to the several groups of laser scanners is provided on the inner side of the assembly frame, the fixing mechanism comprises an assembly plate fixedly installed on the lower end of the laser scanner, a positioning rail plate arranged on the upper end of the fixed seat for slidingly plugging with the assembly plate, a limit block movably connected to the fixed seat, both ends of the limit block are equipped with convex plates, and the convex plates at both ends of the limit block are both sleeved with limit rods installed inside the fixed seat, the lower end of the limit block is symmetrically equipped with springs connected to the fixed seat, the positioning rail plate is installed on the upper end of the fixed seat, and each group of fixed seats corresponding to the laser scanner is installed on the inner side of the positioning ring, and the installation positions are all predetermined installation positions of the laser scanner, and the convex plates installed at both ends of the limit block are slidably sleeved on the limit rods inside the fixed seat.

[0006] Furthermore, both sides of the fixed seat and the limiting block that are coaxial are provided with limiting grooves for the movement of the protrusion, and a positioning component is provided on the side of the conveying roller that is close to the limiting groove.

[0007] Furthermore, the positioning assembly includes a slide rail installed on the outside of the conveyor roller near the limit groove, and the slide rail is slidably connected to a slider on one side near the limit groove. The slide rail is installed on the outside of the conveyor roller and near the limit groove. After the limit block is pressed downward, the slider can be pulled outward to position the protrusion of the limit block.

[0008] Furthermore, a cut corner is provided at one end of the fixing seat close to the insertion opening of the positioning rail plate, and a plurality of groups of air inlet holes are provided at the cut corner.

[0009] Furthermore, the outer sleeve of the positioning ring is provided with an annular air duct, and a cavity is opened inside the annular air duct. The side of the annular air duct close to the conveying roller is provided with a connection port corresponding to several groups of laser scanners, and the connection port is connected to the air inlet through an air duct.

[0010] Furthermore, a negative pressure bellows is installed on one side of the assembly frame, and the negative pressure bellows is connected to the annular air duct through a hose.

[0011] The beneficial effects achieved by the utility model using the above structure are as follows:

[0012] 1. By installing fixing seats at the predetermined installation positions of several groups of laser scanners on the positioning ring, installing positioning rails on each group of fixing seats and fixing the assembly plate on the base of the laser scanner, when installing the laser scanner on the positioning ring, you only need to manually press the limit block into the inside of the fixing seat, and align the assembly plate with the opening of the positioning rail plate and insert it to the end. At this time, the limit block is reset to fix the assembly plate. Compared with the traditional installation method, the disassembly and assembly method is more convenient, which is convenient for the staff to remove the laser scanner for cleaning and maintenance later.

[0013] 2. By opening a cut corner at the position of the fixing seat near the opening of the positioning rail plate, and opening an air inlet at the cut corner, a circular air duct is set on the outside of the positioning ring, and each group of fixing seats is connected to the connection port of the circular air duct through an air guide pipe, the negative pressure fan inside the negative pressure air box is started, and the negative pressure wind generated is matched with the air inlet holes on each group of fixing seats in turn by the circular air duct, so that the dust near both sides of the positioning ring can be sucked into the inside of the circular air duct from the air inlet holes when it is close to the fixing seat, and then finally collected into the dust collection box inside the negative pressure air box through the circular air duct and the hose, thereby preventing the laser scanner from being exposed to dust and reducing the frequency of disassembly, cleaning and maintenance of the laser scanner. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1This is a schematic diagram of the overall structure of a steel column curvature measuring device proposed in the present invention;

[0015] Figure 2 This is a structural schematic diagram of a fixing seat in a steel column curvature measuring device proposed in the present invention;

[0016] Figure 3 This is a structural schematic diagram of a positioning rail plate in a steel column curvature measuring device proposed in the present invention;

[0017] Figure 4 This is a structural schematic diagram of the cross-section of the fixing seat portion of a steel column curvature measuring device proposed in the present invention;

[0018] Figure 5 A steel column curvature measuring device proposed in this utility model is Figure 3 A schematic diagram of the structure enlarged in the middle;

[0019] Figure 6 The present invention provides a schematic diagram of a partial cross-sectional structure of an annular air duct in a steel column curvature measuring device.

[0020] Among them, 1. conveyor roller, 2. guide wheel frame, 3. assembly frame, 31. positioning ring, 32. laser scanner, 4. fixing mechanism, 41. fixing seat, 42. positioning rail plate, 43. assembly plate, 44. limit block, 45. limit rod, 46. spring, 47. slide rail, 48. slider, 49. limit slot, 5. air inlet hole, 51. air guide pipe, 52. annular air duct, 53. connecting port, 54. hose, 55. negative pressure bellows. DETAILED DESCRIPTION

[0021] As the instruction manual Figures 1 to 6 As shown, the utility model is a steel column curvature measuring device, comprising a positioning ring 31 installed on the inner side of an assembly frame 3, a plurality of laser scanners 32 arranged on the inner side of the positioning ring 31, a guide wheel frame 2 arranged on one side of the assembly frame 3, and conveying rollers 1 symmetrically distributed at both ends of the assembly frame 3. A fixing mechanism 4 corresponding to the plurality of laser scanners 32 is provided on the inner side of the assembly frame 3.

[0022] The fixing mechanism 4 includes an assembly plate 43 fixedly installed at the lower end of the laser scanner 32, a positioning rail plate 42 arranged at the upper end of the fixing seat 41 for slidingly plugging with the assembly plate 43, and a limit block 44 movably connected to the fixing seat 41. Both ends of the limit block 44 are equipped with convex plates, and the convex blocks at both ends of the limit block 44 are both sleeved with a limit rod 45 installed inside the fixing seat 41. The lower end of the limit block 44 is symmetrically equipped with a spring 46 connected to the fixing seat 41.

[0023] Specifically, the positioning rail plate 42 is installed on the upper end of the fixing seat 41, and each group of fixing seats 41 corresponding to the laser scanner 32 is installed on the inner side of the positioning ring 31, and the installation positions are all predetermined installation positions of the laser scanner 32. The convex plates installed at both ends of the limit block 44 are slidably sleeved on the limit rod 45 inside the fixing seat 41. When the limit block 44 is squeezed, it will only move vertically up and down, which can effectively prevent the limit block 44 from unilaterally deviating. The spring 46 plays a role in resetting the limit block 44 upward when it is not under force. After the laser scanner 32 is inserted into the interior of the positioning rail plate 42 through the assembly plate 43, the side of the assembly plate 43 close to the limit block 44 is in contact with the limit block 44.

[0024] Limiting grooves 49 for the movement of the protrusion are provided on both sides of the coaxial fixed seat 41 and the limiting block 44 , and a positioning component is provided on the side of the conveying roller 1 close to the limiting groove 49 .

[0025] More specifically, the limiting groove 49 opened on the side of the conveying roller 1 is located at the same horizontal position as the limiting block 44 , and the protruding block is inserted into the limiting groove 49 and is located outside the conveying roller 1 .

[0026] The positioning assembly includes a slide rail 47 installed on the outside of the conveying roller 1 near the limiting groove 49 , and a slider 48 is slidably connected to one side of the slide rail 47 near the limiting groove 49 .

[0027] It should be noted that the slide rail 47 is installed on the outside of the conveyor roller 1 and close to the limit groove 49. After the limit block 44 is pressed downward, the slider 48 can be pulled outward to position the protrusion of the limit block 44, making it convenient for the staff to insert the assembly plate 43 into the interior of the positioning rail plate 42 for installation.

[0028] A cut corner is provided at one end of the fixing seat 41 near the socket of the positioning rail plate 42, and a plurality of groups of air inlet holes 5 are provided at the cut corner. An annular air duct 52 is provided on the outside of the positioning ring 31, and a cavity is provided inside the annular air duct 52. A connecting port 53 corresponding to a plurality of groups of laser scanners 32 is provided on the side of the annular air duct 52 near the conveying roller 1. The connecting port 53 and the air inlet hole 5 are connected to each other through an air duct 51. A negative pressure bellows 55 is installed on one side of the assembly frame 3, and the negative pressure bellows 55 is connected to the annular air duct 52 through a hose 54.

[0029] It is worth mentioning that the cut corner of the fixing seat 41 also opens the air inlet 5, and the air inlet 5 is located outside the positioning ring 31. After being sleeved on the outside of the positioning ring 31 through the annular air duct 52, and each group of fixing seats 41 and the connecting port 53 opened by the annular air duct 52 are connected through the air duct 51, the negative pressure fan inside the negative pressure air box 55 is started, so that the dust near both sides of the positioning ring 31 can be sucked into the annular air duct 52 from the air inlet 5 when it is close to the fixing seat 41, and then finally collected into the dust collecting box inside the negative pressure air box 55 through the annular air duct 52 and the hose 54.

[0030] During use, the motor on the conveying roller 1 is started, and the steel column passes through the positioning ring 31. Several groups of laser scanners 32 equidistantly installed inside the positioning ring 31 scan the surface of the steel column. During the process of the laser scanner 32 scanning the cylinder, the negative pressure air box 55 is started, and the internal negative pressure fan sucks air through the hose 54, the annular air duct 52 and the air guide 51 corresponding to each group of fixing seats 41, so that the dust near the positioning ring 31 is sucked in from the air inlet 5, so as to avoid dust accumulation near the laser scanner 32 and reduce the frequency of disassembly and cleaning of the laser scanner 32. If the laser scanner 32 needs to be maintained after a certain period of time, manually press the limit block 44 and use the slider 48 to position the protrusion on the limit block 44. At this time, the assembly plate 43 can be pulled out. After the maintenance of the laser scanner 32 is completed, the laser scanner 32 is reinstalled into the positioning rail plate 42 through the assembly plate 43. At this time, the slider 48 is pushed back to its original position, and the limit block 44 is reset to limit the laser scanner 32. The installation of the laser scanner 32 is completed. The installation and disassembly method is convenient, which improves the maintenance efficiency of the laser scanner 32.

[0031] It should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method 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 can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A steel column curvature measuring device, comprising a positioning ring mounted on the inside of an assembly frame, a plurality of laser scanners disposed on the inside of the positioning ring, a guide wheel frame disposed on one side of the assembly frame, and conveyor rollers symmetrically distributed at both ends of the assembly frame. The assembly frame is provided with fixing mechanisms corresponding to the plurality of laser scanners on the inside of the assembly frame, characterized in that: The fixing mechanism includes an assembly plate fixedly installed at the lower end of the laser scanner, a positioning rail plate arranged at the upper end of the fixing seat for slidingly plugging with the assembly plate, a limit block movably connected to the fixing seat, both ends of the limit block are equipped with convex plates, and the convex blocks at both ends of the limit block are both sleeved with limit rods installed inside the fixing seat, and the lower end of the limit block is symmetrically equipped with a spring connected to the fixing seat.

2. The steel column curvature measuring device according to claim 1, characterized in that: The fixing seat and the limiting block are coaxially provided with limiting grooves for the movement of the convex block on both sides, and a positioning component is provided on the side of the conveying roller close to the limiting groove.

3. The steel column curvature measuring device according to claim 2, characterized in that: The positioning assembly comprises a slide rail mounted on the outside of the conveying roller near the limiting groove, and a slider is slidably connected to one side of the slide rail near the limiting groove.

4. The steel column curvature measuring device according to claim 2, characterized in that: A cut corner is provided at one end of the fixing seat close to the insertion opening of the positioning rail plate, and a plurality of groups of air inlet holes are provided at the cut corner.

5. The steel column curvature measuring device according to claim 1, characterized in that: The outer sleeve of the positioning ring is provided with an annular air duct, and the inner part of the annular air duct is provided with a cavity. The side of the annular air duct close to the conveying roller is provided with a connection port corresponding to several groups of laser scanners, and the connection port is connected to the air inlet through an air duct.

6. The steel column curvature measuring device according to claim 1, characterized in that: A negative pressure bellows is installed on one side of the assembly frame, and the negative pressure bellows is connected to the annular air duct through a hose.

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