CN212271658U

CN212271658U - Laser positioning detection device for steel corbels

Info

Publication number: CN212271658U
Application number: CN202022023281.6U
Authority: CN
Inventors: 许强; 杜西河
Original assignee: Shandong Luneng Guangda Steel Structure Co ltd
Current assignee: Shandong Luneng Guangda Steel Structure Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-01-01
Anticipated expiration: 2030-09-15

Abstract

The utility model belongs to the technical field of the location technique of construction and specifically relates to a laser positioning detection device of steel bracket is related to. Laser positioning detection device of steel bracket, including fixing device, height display portion and elevating gear, fixing device is used for being connected with the roof beam, and on elevating gear installation fixing device, the last laser irradiator of installing of elevating gear, elevating gear be used for driving the laser irradiator for height display portion relative movement. The utility model provides a technical problem that the precision of the bolt hole on the manual measurement steel bracket is low, reached the technological effect who improves measurement accuracy.

Description

Laser positioning detection device for steel corbels

Technical Field

The utility model belongs to the technical field of the location technique of construction and specifically relates to, especially, relate to a laser positioning detection device of steel corbel.

Background

In some large-scale factory buildings, vertical supports are required to be arranged to ensure the lateral stability of the roof truss, and longitudinal horizontal force, longitudinal wind load and the like are transmitted to the roof truss supporting columns, so that the stability of the factory building is further improved.

The vertically supported corbels need to be dropped onto and welded to the steel beams. Most of vertical supports need to use frictional high-strength bolts, and the accurate positioning of bolt holes is a necessary condition for installation. Most of connecting plates on the steel corbels supported vertically need to be bent in an arc mode, but due to the fact that mechanical equipment is used, accurate blanking is difficult, bending adjusting values in steel plate bending are difficult to master, and errors of several millimeters can be generated on the steel corbels more or less.

In the steel corbel installation process, need many people to mutually support and draw the size, one person erects the ruler at the girder steel tip, and one person need erect the ruler and make the location in hole with the square at bolt hole position girder steel department in addition. Because the effect of human factor, can't guarantee everyone can accurate location, will cause the error, the accumulative error is too many can cause the location not accurate, leads to the on-the-spot unable installation even, can't guarantee factory building design's requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser positioning detection device of steel bracket to solve the technical problem that the precision of the bolt hole on the artifical measurement steel bracket that correlation technique provided is low.

The utility model provides a laser positioning detection device of steel corbel, including fixing device, height display portion and elevating gear, fixing device is used for being connected with the roof beam, the elevating gear installation fixing device is last, the last laser irradiator of installing of elevating gear.

The utility model of this aspect has the beneficial effects that:

the utility model discloses utilize fixing device to install this laser positioning detection device on the roof beam to install laser irradiator through elevating gear, can utilize elevating gear to realize laser irradiator's lift, can accomplish the location after the lift, laser irradiator just can have certain position for height display portion, can read out laser irradiator's height through height display portion, with the position of confirming the bolt hole. Not only the number of operators is reduced, but also the measurement precision is improved.

In an alternative embodiment, the lifting device includes a lifting driving device and a lifting transmission device, and the lifting transmission device is used for converting the power of the lifting driving device into the movement of the laser irradiator.

In an alternative embodiment, the lifting driving device includes a lifting input device, the lifting transmission device includes a screw feeding device, the screw feeding device includes a lifting screw mounted on the fixing device and a lifting nut in screw connection with the lifting screw, and the lifting nut is in transmission connection with the lifting input device.

In an optional embodiment, the lifting input device includes a lifting worm, the lifting transmission device includes a lifting worm gear, the lifting worm is engaged with the lifting worm gear, and the lifting worm gear is fixedly connected with the lifting nut.

In an alternative embodiment, the lifting device includes a lifting frame, the laser irradiator is mounted on the lifting frame, and the lifting transmission device is used for driving the lifting frame to ascend or descend.

In an optional embodiment, the lifting device comprises a guide device, the guide device comprises a guide rod and a guide sleeve, the guide sleeve is connected with the guide rod in a linear moving mode, the lifting frame is further connected with one of the guide sleeve or the guide rod, and the guide rod is parallel to the lifting screw rod.

In an alternative embodiment, the guide rod is provided with scale marks.

In an alternative embodiment, the fixing device comprises a fixing base and a clamping device mounted on the fixing base for clamping the beam together with the fixing base.

In an alternative embodiment, the clamping device comprises a clamping piece and a clamping driving assembly, the clamping piece is in transmission connection with the clamping driving assembly, and the clamping driving assembly is used for driving the clamping piece to be relatively far away from or close to the fixed base.

In an alternative embodiment, the clamping driving assembly comprises a clamping threaded rod and a clamping nut, the clamping threaded rod penetrates through the fixed base and is in threaded connection with the clamping nut, and the clamping threaded rod is fixedly connected with the clamping piece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a laser positioning detection device for a steel corbel according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a guide bar according to one embodiment;

FIG. 3 is a schematic structural diagram of a steel corbel in a measuring process of a threaded hole in the steel corbel according to the embodiment.

Icon: 11-a fixed base; 12-clamping the threaded rod; 13-a clamping nut; 14-a clamp; 21-a lifting screw; 22-a lifting worm; 23-a lifting worm gear; 24-a lifting frame; 25-a guide sleeve; 26-a guide rod; 31-a laser irradiator; 40-steel corbels; 50-beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "first type", "second type", "third type", etc. are used for distinction only, and are uniformly described with respect to the same type of component or feature, meaning that the number of the component or feature may be plural, but it is not denied that the number of the component or feature may be one.

Furthermore, the terms "horizontal", "vertical", "suspended", and the like do not imply that the components are required to be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to fig. 3, the laser positioning detection apparatus for a steel corbel provided in this embodiment includes a fixing device, a height display part, and a lifting device, the fixing device is used for connecting with a beam 50, the lifting device is installed on the fixing device, the lifting device is installed with a laser irradiator 31, and the lifting device is used for driving the laser irradiator 31 to move relatively with respect to the height display part.

The laser positioning detection device is arranged on the beam 50 by using a fixing device, the laser irradiator 31 is arranged by using a lifting device, the lifting device can be used for realizing the lifting of the laser irradiator 31, the positioning can be completed after the lifting, the laser irradiator 31 can have a certain position relative to the height display part, and the height of the laser irradiator 31 can be read by the height display part so as to determine the position of the bolt hole. Not only the number of operators is reduced, but also the measurement precision is improved.

In an alternative embodiment, the lifting device includes a lifting driving device and a lifting transmission device, and the lifting transmission device is used for converting the power of the lifting driving device into the movement of the laser irradiator 31.

Through setting up the lift transmission, can turn into the lift removal of laser irradiator 31 with the effort that the outside was applyed, need not the operator and directly removes laser irradiator 31 along the moving direction of laser irradiator 31, can reduce the moving speed of laser irradiator 31 through transmission on the one hand, be favorable to in time controlling the stop of the motion of laser irradiator 31, improve positioning accuracy, on the other hand can make the workman just can control the lift of laser irradiator 31 with less effort, lightened workman's operation burden.

In an alternative embodiment, the lifting driving device comprises a lifting input device, the lifting transmission device comprises a screw feeding device, the screw feeding device comprises a lifting screw 21 mounted on the fixing device and a lifting nut in screw connection with the lifting screw 21, and the lifting nut is in transmission connection with the lifting input device. Specifically, in the present embodiment, the lifting screw 21 is fixedly mounted on the fixing device, and when the lifting nut is rotated on the lifting screw 21, the lifting nut, the component fixedly connected to the lifting nut, and the component supported by the lifting nut can be lifted.

The spiral feeding device is adopted, so that the rotary motion of the lifting nut can be changed into linear motion, the lifting input device is favorable for inputting rotary power to the lifting nut, the movement input with larger amplitude at each time is favorably converted into the change with smaller height of the lifting nut, the movement precision is favorably improved, and the use in a construction site is favorably realized. In addition, the self-locking can be realized by adopting the screw transmission mode of the lifting nut and the lifting screw 21, namely, when the nut rotates in place, the lifting input device is loosened, and the lifting nut cannot automatically fall off, so that the safety and the reliability of the whole set of laser positioning device are ensured.

In an alternative embodiment, the lifting input device comprises a lifting worm 22, the lifting transmission device comprises a lifting worm wheel 23, the lifting worm 22 is meshed with the lifting worm wheel 23, and the lifting worm wheel 23 is fixedly connected with the lifting nut.

By adopting the engagement of the lifting worm 22 and the lifting worm wheel 23, the rotation of the lifting worm 22 can be converted into the rotation of the lifting worm wheel 23, the rotating speed of the lifting worm wheel 23 fixedly connected with the lifting nut is obviously reduced, and meanwhile, the torque input to the lifting worm 22 can be reduced, thereby being beneficial to realizing manual direct operation. In addition, when the worm angle of the lifting worm 22 is a self-locking angle, the worm wheel and the worm can be self-locked by the engagement of the lifting worm wheel 23 and the lifting worm 22, so that the lifting nut can be stably placed in place and cannot fall off when being lifted in place.

Specifically, in the present embodiment, the rotation input of the lifting worm 22 may be implemented by providing a handwheel at one end of the lifting worm 22, or providing a hole radially formed on the lifting worm 22, or in the case that the lifting worm 22 is not too thick and the torque applied to the lifting worm 22 is not too large, directly holding the lifting worm 22 by hand to rotate; of course, when the torque applied to the lifting worm 22 is large, the end of the lifting worm 22 may be set to be a regular hexagon or a square, and the lifting worm 22 is driven to rotate by a wrench.

In addition, in the present embodiment, the lifting worm 22 is axially fixed, circumferentially rotatable and radially fixed in a lifting base, and the lifting worm wheel 23 is also axially fixed, circumferentially rotatable and radially fixed in the lifting base, which is not shown since only the components directly related to the transmission are shown in the figure. In addition, in the present embodiment, the lifting worm wheel 23 and the lifting nut are actually the same component, and only the internal thread is processed inside the lifting worm wheel 23, so that functionally, the outside of one component has the function of a worm wheel, and the inside has the function of a nut. Therefore, only the lifting worm wheel 23 is shown in the figure, and the lifting nut is not shown.

In an alternative embodiment, the lifting means includes a lifting frame 24, the lifting transmission means is used for driving the lifting frame 24 to ascend or descend, and the laser irradiator 31 is installed on the lifting frame 24. Specifically, in the embodiment, the lifting frame 24 is placed on the lifting nut, and the lifting frame 24 can rotate relative to the lifting nut. The lifting frame 24 is partially sleeved on the lifting screw 21 and can slide relative to the lifting screw 21. Since the crane 24 and the laser irradiator 31 on the crane 24 are not heavy, and the laser positioning detection device of the embodiment is not operated continuously for 24 hours and is only used when needed, the influence of the abrasion between the bottom surface of the crane 24 and the lifting nut is negligible.

By arranging the lifting frame 24, not only the laser irradiator 31 can be installed, but also the guide sleeve 25 can be installed through the lifting frame 24, so that the lifting frame 24 is limited to prevent rotation. In addition, when the guide rod 26 with the scale marks is arranged, the laser irradiator 31 can be used for irradiating the optical fiber to the scale mark position of the guide rod 26, so that the height data can be conveniently read, and the height can be better controlled.

In an alternative embodiment, the lifting device comprises a guide device, the guide device comprises a guide rod 26 and a guide sleeve 25, the guide sleeve 25 is connected with the guide rod 26 in a linear movement manner, the lifting frame 24 is also connected with the guide sleeve 25, and the guide rod 26 is parallel to the lifting screw rod 21. In particular, in the present embodiment, the guide sleeve 25 is slidably disposed on the guide bar 26, and the connection between the guide sleeve and the guide bar can be realized by rolling a plurality of rollers, for example. In particular, the guide bar 26 may be shaped in cross-section as shown in FIG. 2 to be a generally dumbbell shape, except that the dumbbell head is semi-circular with the diameter of the semi-circular sides facing the dumbbell handle.

By arranging the guide sleeve 25 in linear moving connection with the guide rod 26, the lifting frame 24 can be fixed in the horizontal plane through two rods, namely the guide rod 26 and the lifting screw 21, so that the rotation and the movement of the lifting frame 24 in the plane are limited, and the laser irradiator 31 cannot generate deviation due to the rotation of the worm gear.

In an alternative embodiment, the guide bar 26 is provided with scale markings. The scale mark is the height display part. The height display portion of the present invention is not a relatively independent component that can be separated from other components, and may be a reticle provided on the guide bar 26. In particular, the score lines may be provided on the sides of the dumbbell handle of the guide bar 26 of similar dumbbell-shaped cross-section as shown in FIG. 2.

The height of the crane 24 can be conveniently read by arranging scale marks on the guide rod 26.

In an alternative embodiment, the fixing means comprise a fixed base 11 and clamping means mounted on the fixed base 11 for clamping the beam 50 together with the fixed base 11.

Through setting up fixed baseplate 11, utilize fixed baseplate 11 and the common centre gripping roof beam 50 of clamping device for fixed baseplate 11 is direct to be in contact with roof beam 50, directly utilizes fixed baseplate 11 to undertake the holding power of roof beam 50, can provide reliable firm installation basis for the laser positioning detection device of steel corbel, prevents that elevating gear on the fixed baseplate 11 from taking place to rock and influencing the precision of location.

Specifically, in the present embodiment, the fixing base 11 can be made of 8# angle steel.

In an alternative embodiment, the clamping device includes a clamping member 14 and a clamping driving assembly, the clamping member 14 is in transmission connection with the clamping driving assembly, and the clamping driving assembly is used for driving the clamping member 14 to move away from or close to the fixed base 11. Specifically, in the present embodiment, the clamping member 14 can be made of # 2 angle steel.

The clamping driving assembly is arranged to drive the clamping piece 14 to be relatively far away from or close to the fixed base 11, so that the surface of the clamping piece 14 facing the clamped part of the beam 50 and the surface of the fixed base 11 facing the clamped part of the beam 50 can form different distances. Therefore, the laser positioning detection device can adapt to the beam 50 without the thickness of a plate, and the application range of the laser positioning detection device is expanded.

In an alternative embodiment, the clamping driving assembly comprises a clamping threaded rod 12 and a clamping nut 13, the clamping threaded rod 12 penetrates through the fixed base 11 and is in threaded connection with the clamping nut 13, and the clamping threaded rod 12 is fixedly connected with the clamping piece 14. Specifically, the upper portion of centre gripping threaded rod 12 is screw thread portion, and the lower part is polished rod portion, and the diameter of polished rod portion is greater than the diameter of screw thread portion, is equipped with the through-hole on the holder, and the through-hole is passed by the screw thread portion of centre gripping threaded rod 12, and the other holder 14 of through-hole is lapped on the top of polished rod portion. When the clamping threaded rod 12 rises, the clamping piece 14 can rise along with the clamping threaded rod, and when the clamping threaded rod 12 falls, the clamping piece 14 can also fall along with the clamping threaded rod.

By arranging the clamping threaded rod 12 and the clamping nut 13, the clamping nut 13 is arranged on the fixed base 11, the position height of the clamping threaded rod 12 can be adjusted by utilizing the relative rotation of the clamping nut 13 and the clamping threaded rod 12, so that the position height of the clamping piece 14 is adjusted, the relative distance between the surface of the clamping piece 14 facing to the clamped part of the beam 50 and the surface of the fixed base 11 facing to the clamped part of the beam 50 can be changed, and the beam 50 with different plate thicknesses can be adapted.

The use method of the laser positioning detection device for the steel corbel of the embodiment is as follows:

when the steel corbel 40 is positioned on the flange plate of the beam 50 of the H-section steel: 1. the riveter needs to mark the size on the beam 50 at one time; 2. placing a laser positioning detection device of the steel bracket at a set size position and fixing; 3. adjusting the clamping nut 13 to control the position of the clamping member 14, so that the clamping member 14 is tightly attached to the lower surface of the upper flange of the beam 50, and the level of the measuring instrument and the perpendicularity of the measuring instrument are guaranteed; 4. rotating the lifting worm 22 moves the height of the laser irradiator 31, so that the laser irradiator 31 reaches the required position, thereby accurately positioning the bolt hole.

The steel corbels 40 are located on the web of the beam 50 of H-section steel: 1. the riveter needs to mark the size of the wing plate of the beam 50 at one time; 2. placing the clamping piece 14 of the laser positioning detection device of the steel bracket on the other side of the base, and clamping by using a bolt; 3. the position of the clamping piece 14 is controlled by adjusting the clamping nut 13, so that the clamping piece 14 is tightly attached to the lower surface of the flange plate of the beam 50, the level of the measuring instrument and the verticality of the measuring instrument are guaranteed, the lifting worm 22 is rotated, the height of the laser irradiator 31 is moved, the laser irradiator 31 reaches a required position, and the position of the bolt hole can be accurately positioned.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; for example:

the first variant: in the first embodiment, the combination of the lifting nut and the lifting screw rod is adopted to realize the spiral connection, and the combination of the lifting worm wheel and the lifting worm rod is matched to realize the worm wheel and worm rod connection, so that the two can realize self-locking. In fact, one of the two connections can be set to be a non-self-locking angle, namely a non-self-locking spiral angle or a non-self-locking worm angle, such as a self-locking spiral connection and a non-self-locking worm gear, or a non-self-locking spiral and a self-locking worm gear, and the non-self-locking angle is adopted, so that the transmission efficiency can be improved, and the idle work generated by friction can be reduced.

The second variant: in the first embodiment, the lifting nut is driven to rotate by adopting a worm and gear transmission mode, and actually, the lifting nut can also be driven to rotate by adopting other modes, for example, the outer surface of the lifting nut can be set into a regular hexagon or a square, and a wrench is used for driving the lifting nut to rotate; or a hand wheel is fixedly connected to the outer surface of the lifting nut, and the nut is driven to rotate by the rotation of the hand wheel; or, a plurality of radial holes are arranged on the outer side of the lifting nut, and radial rods can be used for being alternately inserted into the radial holes to push the lifting nut to rotate, or when the outer size of the nut is not too large and the required rotating torque is not large, the nut can be directly driven to rotate by hands.

A third variant: in the first embodiment, the lifting frame is installed on the guide sleeve, actually, the lifting frame can also be installed on the guide rod, the guide rod and the lifting frame move up and down together, and the guide sleeve is fixedly arranged.

The fourth variant: in the first embodiment, the height display part is arranged on the guide rod, and actually the height display part can be independently arranged, for example, a vertically placed ruler is arranged on the fixing device, and the lifting frame is provided with a part corresponding to the scale on the ruler.

Such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a laser positioning detection device of steel bracket which characterized in that, includes fixing device, height display portion and elevating gear, fixing device is used for being connected with roof beam (50), the elevating gear installation fixing device is last, the last laser irradiator (31) of installing of elevating gear, elevating gear is used for the drive laser irradiator (31) for height display portion relative movement.

2. The laser positioning detection device of a steel corbel according to claim 1, wherein the lifting device comprises a lifting drive device and a lifting transmission device, and the lifting transmission device is used for converting the power of the lifting drive device into the movement of the laser irradiator (31).

3. The laser positioning detection device of a steel corbel according to claim 2, wherein the lifting driving device comprises a lifting input device, the lifting transmission device comprises a screw feeding device, the screw feeding device comprises a lifting screw (21) mounted on the fixing device and a lifting nut in screw connection with the lifting screw (21), and the lifting nut is in transmission connection with the lifting input device.

4. The laser positioning detection device of a steel corbel according to claim 3, wherein the lifting input device comprises a lifting worm (22), the lifting transmission device comprises a lifting worm gear (23), the lifting worm (22) is meshed with the lifting worm gear (23), and the lifting worm gear (23) is fixedly connected with the lifting nut.

5. The laser positioning detection device of a steel corbel according to claim 3 or 4, characterized in that the lifting device comprises a lifting frame (24), the laser irradiator (31) is mounted on the lifting frame (24), and the lifting transmission device is used for driving the lifting frame (24) to ascend or descend.

6. The laser positioning detection device of a steel corbel according to claim 5, characterized in that the lifting device comprises a guide device, the guide device comprises a guide rod (26) and a guide sleeve (25), the guide sleeve (25) is connected in a linear movement manner relative to the guide rod (26), the lifting frame (24) is further connected with one of the guide sleeve (25) or the guide rod (26), and the guide rod (26) is parallel to the lifting screw (21).

7. The laser positioning detection device of the steel corbel according to claim 6, characterized in that scale marks are arranged on the guide rod (26).

8. The laser positioning detection device of a steel corbel according to claim 1, characterized in that the fixture comprises a fixture base (11) and a clamping device mounted on the fixture base (11) for clamping the beam (50) together with the fixture base (11).

9. The laser positioning detection device of the steel corbel according to claim 8, characterized in that the clamping device comprises a clamping piece (14) and a clamping driving assembly, wherein the clamping piece (14) is in transmission connection with the clamping driving assembly, and the clamping driving assembly is used for driving the clamping piece (14) to move away from or approach the fixed base (11) relatively.

10. The laser positioning detection device of the steel corbel according to claim 9, characterized in that the clamping driving assembly comprises a clamping threaded rod (12) and a clamping nut (13), the clamping threaded rod (12) passes through the fixed base (11) and is in threaded connection with the clamping nut (13), and the clamping threaded rod (12) is in fixed connection with the clamping piece (14).