Ultrasonic detection device for hollow shaft

Abstract

The utility model discloses a hollow shaft ultrasonic detection device which comprises an ultrasonic detection flaw detection car body, a suspension arm is arranged on the top of the ultrasonic detection flaw detection car body, a power line is arranged on the ultrasonic detection flaw detection car body, and a protection mechanism used for containing the power line is arranged on the side portion of the ultrasonic detection flaw detection car body. The protection mechanism comprises a protection cylinder and a limiting plate, a fixing shaft used for winding and storing the power line is arranged in the protection cylinder, and a protection plate used for shielding the interior of the protection cylinder is arranged on the side portion of the protection cylinder. The protective cylinder, the fixing shaft, the protective plate, the fixing frame, the sliding plate, the limiting block, the pulling frame and the spring are matched with one another and are wound outside the fixing shaft, the protective plate is mounted and dismounted through the sliding plate and the limiting block, and therefore the power line of the ultrasonic detection flaw detection car body can be stored and protected when not used, and the service life of the power line is prolonged. And the safety of the power line is improved.

Description

Technical Field

[0001] The utility model relates to the field of ultrasonic detection of hollow shafts, and particularly relates to an ultrasonic detection device for hollow shafts. Background Technique

[0002] A hollow shaft generally refers to a shaft with a through hole formed in the center of the shaft body. During the use of the hollow shaft, it is necessary to perform regular detection operations on the hollow shaft. In order to perform flaw detection on the inside of the hollow shaft, an ultrasonic detection device for hollow shafts will be used.

[0003] The existing ultrasonic detection device for hollow shafts is also called an ultrasonic flaw detector. The ultrasonic detection device generally includes a mobile cart, a suspension mechanism, a detection mechanism, etc. A power cord is usually arranged on the mobile cart to provide power. Both the suspension mechanism and the detection mechanism are located on the mobile cart. The mobile cart can move to a designated position to perform internal flaw detection on the hollow shaft. The suspension mechanism hoists the detection mechanism to make the detection mechanism correspond to the inside of the hollow shaft, and then performs internal ultrasonic flaw detection operations.

[0004] When the ultrasonic detection device is in use, the mobile cart is usually moved to a designated position, and then the power cord is inserted into the power supply. When the power cord is not in use, the power cord is usually hung on the bracket of the mobile cart. However, when the mobile cart moves, the power cord may accidentally fall or the power cord plug may be knocked, which affects the use of the ultrasonic detection device. Furthermore, the ultrasonic detection device is not convenient for storing and protecting the power cord, and there are certain limitations. Content of the Utility Model

[0005] The purpose of the utility model is to provide an ultrasonic detection device for hollow shafts to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An ultrasonic detection device for hollow shafts, comprising:

[0007] The main body of the ultrasonic detection flaw detector cart, a lifting arm is arranged on the top of the main body of the ultrasonic detection flaw detector cart, and a power cord is arranged on the main body of the ultrasonic detection flaw detector cart;

[0008] A protection mechanism for storing the power cord is arranged on the side of the main body of the ultrasonic detection flaw detector cart, and the protection mechanism includes:

[0009] A protection cylinder, a fixed shaft for winding and storing the power cord is arranged inside the protection cylinder, and a protection plate for shielding the inside of the protection cylinder is arranged on the side of the protection cylinder;

[0010] A limiting plate, an arc-shaped groove is formed in the side portion of the limiting plate, a through groove is formed in the back surface of the protection cylinder, the limiting plate is slidably inserted into the inner cavity of the through groove, and the limiting plate is used for squeezing and limiting the power cord.

[0011] Preferably, mounting plates are fixedly connected to both the top end and the bottom end of the protection cylinder, mounting bolts are threadedly inserted through the side portions of the mounting plates, one end of each mounting bolt is threadedly inserted through the ultrasonic testing flaw detector vehicle main body, and the side portion of the fixed shaft is fixedly connected to the inner wall of the protection cylinder.

[0012] Preferably, an annular plate is fixedly connected to the other side portion of the fixed shaft, positioning cylinders are symmetrically fixedly connected to the side portion of the protection plate, and the positioning cylinders are slidably inserted into the inner cavity of the protection cylinder.

[0013] Preferably, fixed frames are fixedly connected to both the top end and the bottom end of the protection cylinder, a sliding plate is slidably arranged inside the fixed frames, and a limiting block for locking the installation position of the protection plate is fixedly connected to the side edge of the sliding plate.

[0014] Preferably, limiting grooves adapted to the limiting blocks are formed in both the top end and the bottom end of the protection plate, a pulling frame is fixedly connected to the other side edge of the sliding plate, and a mounting rod is threadedly inserted through the top end of the fixed frame, and the outer wall of the mounting rod is slidably inserted through the sliding plate.

[0015] Preferably, a spring for driving the sliding plate to move vertically is sleeved on the outer wall of the mounting rod, one end of the spring is in contact with the sliding plate, and the other end of the spring is in contact with the side edge of the inner wall of the fixed frame.

[0016] The technical effects and advantages of the present utility model:

[0017] By utilizing the mutual cooperation of the protection cylinder, the fixed shaft, the protection plate, the fixed frame, the sliding plate, the limiting block, the pulling frame and the spring, the power cord enters the inside of the protection cylinder and is wound around the outside of the fixed shaft. The protection plate drives the limiting plate to limit the power cord in the through groove. The sliding plate and the limiting block are used for installing and disassembling the protection plate, which is beneficial to storing and protecting the power cord of the ultrasonic testing flaw detector vehicle main body when not in use, and is convenient for increasing the safety of the power cord. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front cross-sectional structural view of the present utility model.

[0019] Figure 2 It is a back cross-sectional structural view of the protection cylinder of the present utility model.

[0020] Figure 3 It is a side structural view of the limiting plate of the present utility model.

[0021] Figure 4 This is the front sectional view structure diagram of the fixed frame of the present utility model.

[0022] Figure 5 This is the structure diagram of the limiting plate of the present utility model.

[0023] In the figure: 1. Main body of the ultrasonic detection flaw detection vehicle; 2. Boom; 3. Protection mechanism; 31. Protection cylinder; 32. Fixed shaft; 33. Annular plate; 34. Protection plate; 35. Limiting plate; 36. Positioning cylinder; 37. Fixed frame; 38. Sliding plate; 39. Limiting block; 310. Pulling frame; 311. Installation rod; 312. Spring. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] The present utility model provides a hollow shaft ultrasonic detection device as Figures 1-5 shown, which includes a main body 1 of an ultrasonic detection flaw detection vehicle. A boom 2 is provided at the top of the main body 1 of the ultrasonic detection flaw detection vehicle. The boom 2 is beneficial to lifting the ultrasonic probe so that the ultrasonic probe is docked with the hollow shaft to perform ultrasonic detection operations on the inside of the hollow shaft. A power cord is provided on the main body 1 of the ultrasonic detection flaw detection vehicle.

[0026] Furthermore, a protection mechanism 3 for accommodating the power cord is provided on the side of the main body 1 of the ultrasonic testing flaw detector vehicle. The protection mechanism 3 includes a protection cylinder 31 and a limiting plate 35. The protection cylinder 31 is conducive to placing the power cord and facilitating the accommodation and protection of the power cord. The limiting plate 35 is conducive to fitting with the outside of the power cord, thereby facilitating the limiting and protection of the power cord. A fixed shaft 32 for winding and accommodating the power cord is arranged inside the protection cylinder 31, which is conducive to winding the power cord thereon, thereby facilitating the accommodation of the power cord. A protection plate 34 for shielding the inside of the protection cylinder 31 is arranged on the side of the protection cylinder 31, which is conducive to shielding the inside of the protection cylinder 31, thereby facilitating the shielding and protection of the plug of the power cord. An arc-shaped groove is formed on the side of the limiting plate 35, which is conducive to fitting with the outer wall of the power cord and facilitating the limiting of the power cord. A through groove is formed on the back of the protection cylinder 31, which is conducive to allowing the power cord to pass through the inside of the through groove and then enter the inside of the protection cylinder 31 to accommodate and protect the power cord. The limiting plate 35 is slidably inserted into the inner cavity of the through groove, and the limiting plate 35 is used to squeeze and limit the power cord. Installation plates are fixedly connected to both the top and bottom of the protection cylinder 31. The installation plates and installation bolts are conducive to the installation and disassembly of the protection cylinder 31. Installation bolts are threadedly inserted into the sides of the installation plates, and one end of the installation bolts is threadedly inserted into the main body 1 of the ultrasonic testing flaw detector vehicle. The side of the fixed shaft 32 is fixedly connected to the inner wall of the protection cylinder 31.

[0027] Specifically, an annular plate 33 is fixedly connected to the other side of the fixed shaft 32, which is beneficial to limit and protect the power cord wound around the outside of the fixed shaft 32, avoiding the power cord slipping off the outside of the fixed shaft 32. Positioning cylinders 36 are symmetrically and fixedly connected to the side of the protection plate 34, which is beneficial to position the installation of the protection plate 34. The positioning cylinders 36 are slidably inserted into the inner cavity of the protection cylinder 31. Fixed frames 37 are fixedly connected to both the top and bottom of the protection cylinder 31, which is beneficial to enable the sliding plate 38 to slide inside it. A sliding plate 38 is slidably arranged inside the fixed frame 37, which is beneficial to drive the limit block 39 to move, facilitating the up and down movement of the limit block 39. A limit block 39 for locking the installation position of the protection plate 34 is fixedly connected to the side of the sliding plate 38. An inclined surface is provided on the side of the limit block 39, which is beneficial to squeeze against the protection plate 34 to slidably install the protection plate 34. The limit block 39 is beneficial to limit the position of the protection plate 34, and thus is beneficial to the installation and disassembly of the protection plate 34. Limit grooves matching the limit block 39 are provided at both the top and bottom of the protection plate 34. A pulling frame 310 is fixedly connected to the other side of the sliding plate 38. The pulling frame 310 is L-shaped, and the pulling frame 310 is beneficial to pull the sliding plate 38 to move. An installation rod 311 is threadedly inserted through the top of the fixed frame 37, which is beneficial to guide the deformation of the spring 312 and is also beneficial to the installation and disassembly of the spring 312. The outer wall of the installation rod 311 is slidably inserted through the sliding plate 38. A spring 312 for driving the sliding plate 38 to move vertically is sleeved on the outer wall of the installation rod 311. The elastic force of the spring 312 is beneficial to push the sliding plate 38 to move, facilitating the sliding plate 38 and the limit block 39 to return to their original positions after movement, facilitating repeated operations on the limit block 39. One end of the spring 312 is in contact with the sliding plate 38, and the other end of the spring 312 is in contact with the side of the inner wall of the fixed frame 37.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hollow shaft ultrasonic detection device, comprising: An ultrasonic detection flaw detection vehicle body (1), wherein a suspension arm (2) is arranged on the top of the ultrasonic detection flaw detection vehicle body (1), and a power line is arranged on the ultrasonic detection flaw detection vehicle body (1); The invention is characterized in that a protection mechanism (3) for storing a power line is provided on the side of the main body (1) of the ultrasonic flaw detection vehicle, and the protection mechanism (3) comprises: A protective cylinder (31), wherein a fixed shaft (32) for winding and storing a power cord is disposed inside the protective cylinder (31), and a protective plate (34) for shielding the inside of the protective cylinder (31) is disposed on the side of the protective cylinder (31); A limiting plate (35), wherein an arc-shaped groove is provided on the side of the limiting plate (35), a through groove is provided on the back of the protective tube (31), the limiting plate (35) is slidably connected with the inner cavity of the through groove, and the limiting plate (35) is used to squeeze and limit the power cord.

2. The hollow shaft ultrasonic detection device according to claim 1, characterized in that: The top and bottom ends of the protective tube (31) are fixedly connected to mounting plates, the side of the mounting plate is threadedly inserted with a mounting bolt, one end of the mounting bolt is threadedly inserted with the main body (1) of the ultrasonic testing vehicle, and the side of the fixed shaft (32) is fixedly connected to the inner wall of the protective tube (31).

3. The hollow shaft ultrasonic detection device according to claim 1, characterized in that: The other side of the fixed shaft (32) is fixedly connected to an annular plate (33), and the side of the protection plate (34) is symmetrically fixedly connected to a positioning cylinder (36), and the positioning cylinder (36) is slidably interlaced with the inner cavity of the protection cylinder (31).

4. The hollow shaft ultrasonic detection device according to claim 1, characterized in that: The top and bottom ends of the protection tube (31) are fixedly connected to a fixing frame (37), a sliding plate (38) is slidably arranged inside the fixing frame (37), and a limiting block (39) for locking the installation position of the protection plate (34) is fixedly connected to the side of the sliding plate (38).

5. The hollow shaft ultrasonic detection device according to claim 4, characterized in that: The top and bottom ends of the protection plate (34) are both provided with limit grooves that match the limit blocks (39); the other side of the sliding plate (38) is fixedly connected to a pulling frame (310); the top end of the fixed frame (37) is threadedly connected to a mounting rod (311); the outer wall of the mounting rod (311) is slidably connected to the sliding plate (38).

6. The hollow shaft ultrasonic detection device according to claim 5, characterized in that: The outer wall of the mounting rod (311) is sleeved with a spring (312) for driving the sliding plate (38) to move vertically, one end of the spring (312) is in contact with the sliding plate (38), and the other end of the spring (312) is in contact with the side of the inner wall of the fixed frame (37).

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