CN215413589U

CN215413589U - Tower crane steel construction detection device that detects a flaw

Info

Publication number: CN215413589U
Application number: CN202122155220.XU
Authority: CN
Inventors: 韩国盛; 李家成; 徐进; 陈文�; 王振飞; 王晓闻; 徐俊如
Original assignee: Jiangsu Tian'an Testing Technology Co ltd
Current assignee: Jiangsu Tian'an Testing Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-04
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a tower crane steel structure flaw detection device which comprises a bottom plate and a three-jaw chuck, wherein the bottom plate is of a horizontal square plate structure, a base and a connecting plate are fixed on the top end face of the bottom plate, a first motor is fixed on the base, a bearing is installed in the connecting plate, the output end of the first motor is connected with the three-jaw chuck through the bearing, a steel pipe is clamped in the three-jaw chuck, and a sleeve is sleeved on the steel pipe. In short, this application technical scheme utilizes coherent and compact structure, has solved tradition and when detecting the tower crane appearance, and the staff can observe the steel pipe earlier whether have the deformation, and this method can't directly see to the slight deformation naked eye of steel pipe, and in addition, some staff detect through tools such as slide caliper to the micro-deformation of steel pipe, when detecting whole outer wall of steel pipe, this detection method consumes long time, detection efficiency is low problem.

Description

Tower crane steel construction detection device that detects a flaw

Technical Field

The utility model relates to the technical field of steel detection, in particular to a flaw detection device for a tower crane steel structure.

Background

The tower crane is the most common hoisting equipment on the construction site, is lengthened (raised) section by section like an iron tower, and is also called a tower crane for hoisting construction raw materials such as reinforcing steel bars, wood ridges, scaffold tubes and the like for construction. The tower crane tip has the function of bearing the upper load transmitted by the boom pull rope and the balance arm pull rope and is directly transmitted to a tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components. From lifting up the tower top and having the truncated cone column type to lean forward or hypsokinesis truncated cone column type, herringbone frame and bracing frame formula, the steel pipe of constituteing the tower crane can appear ageing phenomenon in the use, therefore the staff need regularly detect it, wherein detect including detecting the appearance of steel pipe, whether appear phenomenon such as undercut or protrusion, traditional in the in-process that detects tower crane steel pipe appearance has following drawback:

when traditional tower crane appearance is being detected, the staff can observe the steel pipe earlier whether there is the deformation, and this method can't directly see to the slight deformation naked eye of steel pipe, and in addition, some staff detect through instruments such as slide caliper rule to the micro-deformation of steel pipe, when detecting the whole outer wall of steel pipe, this detection method consumes long time, detection efficiency hangs down.

Therefore, the flaw detection device for the tower crane steel structure is needed to be provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model aims to provide a tower crane steel structure flaw detection device, which solves the problems that in the traditional method, when the appearance of a tower crane is detected, workers can firstly observe whether a steel pipe is deformed, the method cannot directly see the slight deformation of the steel pipe by naked eyes, in addition, some workers detect the micro deformation of the steel pipe through tools such as calipers, and when the whole outer wall of the steel pipe is detected, the detection method is long in time consumption and low in detection efficiency.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a tower crane steel structure flaw detection device comprises a bottom plate and a three-jaw chuck, wherein the bottom plate is of a horizontal square plate structure, a base and a connecting plate are fixed on the top end face of the bottom plate, a first motor is fixed on the base, a bearing is installed in the connecting plate, the output end of the first motor and the three-jaw chuck are connected through the bearing, a steel pipe is clamped in the three-jaw chuck, a sleeve is sleeved on the steel pipe, the side face of the sleeve is connected with a reciprocating power device, the top end of the sleeve is provided with a bulb, the bottom end of the bulb is provided with a positive electrode and a negative electrode, a hollow cavity is formed in the sleeve, the top end face of the hollow cavity is provided with a power supply and a spring, the power supply and the spring are respectively connected with the positive electrode and the negative electrode of the bulb, a fixed block is fixed on the inner wall of the hollow cavity and is connected with the power supply through a lead, the other end of the spring is connected with a check rod, and the bottom end of the check rod penetrates through the hollow cavity to extend outwards and is contacted with the steel pipe, and two connecting circuit blocks are fixed on the side surface of the inspection rod and are respectively positioned above and below the fixed block.

Furthermore, the reciprocating power equipment comprises a linkage rod, a cylindrical pin and a rotating disc, a second motor is arranged on the top end face of the bottom plate, the rotating disc is installed at the output end of the second motor, the cylindrical pin is fixed on the front end face of the rotating disc, the linkage rod is rotatably installed on the cylindrical pin, and the other end of the linkage rod is connected with the sleeve.

Furthermore, a horizontal sliding groove is formed in the top end face of the bottom plate, a sliding block is fixed to the bottom end face of the sleeve, and the bottom end of the sliding block is embedded into the sliding groove.

Furthermore, a limiting block is fixed on one side face of the inspection rod and is positioned in the hollow cavity.

Further, the sleeve inner wall rotates and installs the ball, and the ball is provided with a plurality ofly and is annular equidistant distribution at the sleeve inner wall.

Further, the spring, the check rod, the connection circuit block and the fixed block are all conductors.

The utility model has the beneficial effects that:

1. according to the utility model, the steel pipe penetrates through the sleeve, the sleeve moves in a reciprocating manner on the surface of the steel pipe, the motor drives the three-jaw chuck to rotate, so that the steel pipe rotates in the sleeve, the inspection rod can detect the outer wall of the steel pipe, the inspection rod can move downwards or upwards to drive the two connected circuit blocks to move, when the outer wall of the steel pipe is sunken or protruded to deform to a certain degree, one connected circuit block is in contact with the fixed block, the circuit is connected with the bulb to emit light, and the detection efficiency and the detection precision are improved.

2. According to the utility model, the balls are arranged on the inner wall of the sleeve, so that when the steel pipe moves in the sleeve, the sliding contact between the steel pipe and the sleeve is converted into rolling contact, the friction resistance between the sleeve and the steel pipe is reduced, and the steel pipe is scratched.

3. According to the utility model, the limiting block is arranged on the inspection rod, so that the problem that the whole inspection rod slides out of the hollow cavity when the steel pipe is pulled out of the sleeve, and the next operation of a worker is inconvenient is avoided.

In short, this application technical scheme has solved tradition and has examined the tower crane appearance time measuring, and the staff can observe the steel pipe earlier whether have the deformation, and this method can't directly see to the slight deformation naked eye of steel pipe, and in addition, some staff detect through instruments such as slide caliper rule to the micro-deformation of steel pipe, when examining the whole outer wall of steel pipe, this detection method is long-consuming, the low problem of detection efficiency.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the left side cross-sectional structure of the sleeve of the present invention;

FIG. 3 is an enlarged view of item A of FIG. 2;

in the figure: 1. a base plate; 2. a machine base; 3. a first motor; 4. a connecting plate; 5. a three-jaw chuck; 6. a steel pipe; 7. a sleeve; 8. a bulb; 9. a reciprocating power device; 901. a linkage rod; 902. a cylindrical pin; 903. rotating the disc; 10. a slider; 11. a ball bearing; 12. a hollow cavity; 13. a power source; 14. a positive electrode and a negative electrode; 15. a spring; 16. a check rod; 17. a limiting block; 18. switching on a circuit block; 19. and (5) fixing blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 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 figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 above description of the present invention, it should be noted that the terms "one side", "the other side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element which is referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.

Referring to fig. 1-3, the present invention provides a technical solution: a tower crane steel structure flaw detection device comprises a bottom plate 1 and a three-jaw chuck 5, wherein the bottom plate 1 is of a horizontal square plate structure, a base 2 and a connecting plate 4 are fixed on the top end face of the bottom plate 1, a motor I3 is fixed on the base 2, a bearing is installed in the connecting plate 4, the output end of the motor I3 is connected with the three-jaw chuck 5 through the bearing, a steel pipe 6 is clamped in the three-jaw chuck 5, a sleeve 7 is sleeved on the steel pipe 6, reciprocating power equipment 9 is connected to the side face of the sleeve 7, a bulb 8 is arranged at the top end of the sleeve 7, a positive electrode 14 and a negative electrode 14 are arranged at the bottom end of the bulb 8, a hollow cavity 12 is formed in the sleeve 7, a power supply 13 and a spring 15 are arranged on the top end face of the hollow cavity 12, the power supply 13 and the spring 15 are respectively connected with the two positive electrodes 14 and the negative electrode 14 of the bulb 8, a fixed block 19 is fixed on the inner wall of the hollow cavity 12, the fixed block 19 is connected with the power supply 13 through a lead, and the other end of the spring 15 is connected with a detection rod 16, the bottom end of the test rod 16 penetrates through the hollow cavity 12 to extend outwards and contact with the steel pipe 6, a switching-on circuit block 18 is fixed on the side face of the test rod 16, and two switching-on circuit blocks 18 are arranged and are respectively positioned above and below the fixed block 19.

In the utility model, the reciprocating power equipment 9 comprises a linkage rod 901, a cylindrical pin 902 and a rotating disc 903, the top end surface of the bottom plate 1 is provided with a second motor, the rotating disc 903 is installed at the output end of the second motor, the cylindrical pin 902 is fixed on the front end surface of the rotating disc 903, the linkage rod 901 is installed on the cylindrical pin 902 in a rotating manner, and the other end of the linkage rod 901 is connected with the sleeve 7, so that the sleeve 7 can stably reciprocate back and forth.

In the utility model, the top end face of the bottom plate 1 is provided with a horizontal sliding groove, the bottom end face of the sleeve 7 is fixed with the sliding block 10, and the bottom end of the sliding block 10 is embedded in the sliding groove, so that the stability of the sleeve 7 in the process of moving back and forth is improved.

According to the utility model, the limiting block 17 is fixed on one side surface of the inspection rod 16, and the limiting block 17 is positioned in the hollow cavity 12, so that the problem that the whole inspection rod 16 slides out of the hollow cavity 12 to be inconvenient for next operation of workers when the steel pipe 6 is pulled out of the sleeve 7 is avoided.

According to the utility model, the balls 11 are rotatably arranged on the inner wall of the sleeve 7, and the balls 11 are annularly distributed on the inner wall of the sleeve 7 at equal intervals, so that when the steel pipe 6 moves in the sleeve 7, the sliding contact between the steel pipe 6 and the sleeve 7 is converted into rolling contact, the friction resistance between the sleeve 7 and the steel pipe 6 is reduced, and the steel pipe 6 is scratched.

In the present invention, the spring 15, the check rod 16, the connection circuit block 18 and the fixed block 19 are all conductors to facilitate the connection of the circuit.

The working principle is as follows: when the flaw detection device for the steel structure of the tower crane is used, firstly, the steel tube 6 penetrates through the sleeve 7 and one end of the steel tube is fixed in the three-jaw chuck 5, then the three-jaw chuck 5 is driven to rotate through the first motor 3, the steel tube 6 is further driven to rotate, meanwhile, the sleeve 7 is driven to reciprocate through the reciprocating power equipment 9, the steel tube 6 is normal when the bulb 8 does not emit light in the process, and if the bulb 8 emits light, the steel tube 6 is protruded or sunken to deform excessively.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a tower crane steel construction detection device that detects a flaw, includes bottom plate (1) and three-jaw chuck (5), its characterized in that: the base plate (1) is of a horizontal square plate structure, a base (2) and a connecting plate (4) are fixed on the top end face of the base plate (1), a first motor (3) is fixed on the base (2), a bearing is installed in the connecting plate (4), the output end of the first motor (3) is connected with a three-jaw chuck (5) through the bearing, a steel pipe (6) is clamped in the three-jaw chuck (5), a sleeve (7) is sleeved on the steel pipe (6), a reciprocating power device (9) is connected to the side face of the sleeve (7), a bulb (8) is arranged at the top end of the sleeve (7), a positive electrode and a negative electrode (14) are arranged at the bottom end of the bulb (8), a hollow cavity (12) is formed in the sleeve (7), a power source (13) and a spring (15) are arranged on the top end face of the hollow cavity (12), and the power source (13) and the spring (15) are respectively connected with the positive electrode and the negative electrode (14) of the bulb (8), the utility model discloses a hollow cavity (12) is fixed with fixed block (19) to the inner wall, is connected through the wire between fixed block (19) and power (13), spring (15) other end is connected with check rod (16), and the bottom of check rod (16) is passed hollow cavity (12) and is outwards stretched out and contact with steel pipe (6), check rod (16) side is fixed with switch-on circuit block (18), and switch-on circuit block (18) are provided with two and are located the upper and lower side of fixed block (19) respectively.

2. The tower crane steel structure flaw detection device of claim 1, characterized in that: the reciprocating power equipment (9) comprises a linkage rod (901), a cylindrical pin (902) and a rotating disc (903), a second motor is arranged on the top end face of the bottom plate (1), the rotating disc (903) is installed at the output end of the second motor, the cylindrical pin (902) is fixed on the front end face of the rotating disc (903), the linkage rod (901) is installed on the cylindrical pin (902) in a rotating mode, and the other end of the linkage rod (901) is connected with the sleeve (7).

3. The tower crane steel structure flaw detection device of claim 1, characterized in that: the top end face of the bottom plate (1) is provided with a sliding groove in the horizontal direction, the bottom end face of the sleeve (7) is fixed with a sliding block (10), and the bottom end of the sliding block (10) is embedded into the sliding groove.

4. The tower crane steel structure flaw detection device of claim 1, characterized in that: a limiting block (17) is fixed to one side face of the inspection rod (16), and the limiting block (17) is located in the hollow cavity (12).

5. The tower crane steel structure flaw detection device of claim 1, characterized in that: the inner wall of the sleeve (7) is rotatably provided with balls (11), and the balls (11) are arranged on the inner wall of the sleeve (7) in a plurality of annular equidistant distribution.

6. The tower crane steel structure flaw detection device of claim 1, characterized in that: the spring (15), the check rod (16), the connecting circuit block (18) and the fixed block (19) are all conductors.