Weld joint detection device for lifting frame of tower crane

Abstract

The utility model discloses a tower crane hoisting frame welding seam detection device which comprises a base plate, the top of the base plate is fixedly connected with a vertical frame, the rear side of the vertical frame is fixedly provided with a motor, an output shaft of the motor penetrates into an inner cavity of the vertical frame and is fixedly provided with a gear, and the inner cavity of the vertical frame is slidably connected with a gear ring meshed with the gear. According to the utility model, the to-be-detected tower crane hoisting frame is arranged in the inner cavity of the gear ring from the arc-shaped teeth on the gear ring, the tower crane hoisting frame is positioned at the circle center of the gear ring by operating the centering limiting assembly, then the arc-shaped teeth are mounted on the gear ring, so that the detection head is aligned with the welding seam of the tower crane hoisting frame, and then the arc-shaped teeth on the gear ring are adjusted through the adjusting assembly. And then the motor drives the gear to rotate, so that the gear ring and the arc-shaped teeth drive the detection head to surround a circle to detect the weld joint of the tower crane hoisting frame, and the purposes of automatically surrounding the tower crane hoisting frame to detect the weld joint, reducing the human input and improving the detection efficiency can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the welding seam detection technical field, especially relate to a tower crane hoisting frame welding seam detection device. BACKGROUND

[0002] Tower crane hoisting frame often accompanies welding operation in the process of making, and there is welding between column-shaped frames in the process of welding. The control of welding quality needs special instruments for detection. The method of one-side detection is that the operator holds the instrument with one hand and holds the probe with the other hand to approach the welding seam for detection. The detection data is generated on the instrument. The annular welding seam needs the operator to switch different postures to detect it, which is time-consuming and laborious. Therefore, the tower crane hoisting frame welding seam detection device is proposed, which can automatically detect the welding seam around the tower crane hoisting frame, reduces the labor input and improves the detection efficiency. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a tower crane hoisting frame welding seam detection device which has the advantages of being capable of automatically detecting the welding seam around the tower crane hoisting frame, reducing the labor input and improving the detection efficiency, so as to solve the above background technical problems.

[0004] The technical scheme for solving the above technical problems is as follows: a tower crane hoisting frame welding seam detection device, which comprises a base plate, the top of the base plate is fixedly connected with a stand, the rear side of the stand is fixedly installed with a motor, the output shaft of the motor penetrates into the inner cavity of the stand and is fixedly installed with a gear, the inner cavity of the stand is slidably connected with a gear ring engaged with the gear, the side of the gear ring is detachably installed with an arc-shaped gear, the side of the arc-shaped gear is provided with a detection head, an adjusting assembly is arranged between the detection head and the arc-shaped gear, the adjusting assembly comprises a fixed shell fixedly connected to the front side of the arc-shaped gear, the inner cavity of the fixed shell is slidably connected with a screw rod, the right end of the screw rod is fixedly connected with the detection head, the right side of the fixed shell is rotatably connected with a threaded sleeve one, the threaded sleeve one is threadedly connected to the surface of the screw rod, the top of the base plate is provided with a centering limiting assembly, the top of the base plate is fixedly installed with a display instrument electrically connected with the detection head.

[0005] Preferably, the centering limiting assembly comprises two symmetrical slide rails fixedly connected to the top of the base plate, two U-shaped frames are slidably connected to the surfaces of the two slide rails, and roller frames are installed at the two ends of the U-shaped frames.

[0006] Preferably, the top of the base plate is rotatably connected with a bidirectional threaded rod, threaded sleeves two are threadedly connected to the surfaces of the two sides of the bidirectional threaded rod, and the side of the threaded sleeve two is fixedly connected with the U-shaped frame.

[0007] Preferably, the top of the bidirectional threaded rod is fixedly installed with a hand wheel.

[0008] Preferably, the tooth ring is provided with a positioning block at both ends, the arc-shaped tooth is fixedly connected with a positioning groove inserted into the inner cavity of the positioning block, and a screw is arranged through the tooth ring and extends into the inner cavity of the positioning block and is in threaded connection with the positioning groove.

[0009] The utility model discloses a beneficial effect is:

[0010] 1, the utility model discloses a detection head is contacted with the position beside the weld of the tower crane hoisting frame, and then the motor drives the gear to rotate, and then the tooth ring and arc-shaped tooth drive the detection head to detect the weld of the tower crane hoisting frame around a circle, which can automatically detect the weld of the tower crane hoisting frame, reduces the manpower investment and improves the detection efficiency.

[0011] 2, the utility model discloses the setting of the slide rail, the U-shaped frame moves up and down and will slide on the surface of two slide rails, provides the guidance and the limit for the movement of U-shaped frame and the carrier roller frame, guarantees that the carrier roller frame is always on the center line of the tooth ring alignment, facilitates the centering of the tower crane hoisting frame and then facilitates detection.

[0012] 3, the utility model discloses the cooperation of positioning block, positioning groove and screw, arc-shaped tooth can be disassembled from the tooth ring through the cooperation of positioning block, positioning groove and screw, can make the tooth ring open a gap, and the tower crane hoisting frame is placed conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0013] The above and / or other aspects of the utility model will become more apparent and more readily appreciated, as the same becomes better understood by reference to the following detailed description, when taken in conjunction with the accompanying drawings, in which:

[0014] Figure 1 It is the three-dimensional schematic view of one embodiment of the utility model;

[0015] Figure 2 It is the three-dimensional split schematic view of the tooth ring and arc-shaped tooth of one embodiment of the utility model;

[0016] Figure 3 It is the three-dimensional schematic view of the centering and limiting assembly of one embodiment of the utility model;

[0017] Figure 4 It is one embodiment of the utility model Figure 2 The local enlarged view of point A.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1, base plate, 2, stand, 3, motor, 4, gear, 5, gear ring, 6, arc tooth, 7, detection head, 8, adjusting assembly, 81, fixed shell, 82, screw rod, 83, threaded sleeve one, 9, display instrument, 10, centering limiting assembly, 101, slide rail, 102, U-shaped frame, 103, carrier roller frame, 104, two-way threaded rod, 105, threaded sleeve two, 106, hand wheel, 11, positioning block, 12, positioning groove, 13, screw. DETAILED DESCRIPTION

[0020] Hereinafter, the embodiment of the tower crane hoisting frame weld detection device of the present application will be described with reference to the accompanying drawings.

[0021] Figures 1-4The utility model discloses a tower crane hoisting frame weld detection device, it includes base plate 1, the top fixedly connected of base plate 1 has riser 2, the rear side fixed mounting of riser 2 has motor 3, the output shaft of motor 3 penetrates to the inner chamber of riser 2 and fixedly installs gear 4, the inner chamber slidingly connected of riser 2 has the tooth ring 5 of being engaged with gear 4, one side of tooth ring 5 detachably installs arc tooth 6, both ends of tooth ring 5 are all set up with locating block 11, both ends of arc tooth 6 are all fixedly connected with the locating groove 12 of inserting the inner chamber of locating block 11, the screw 13 is set up on tooth ring 5, and the end of screw 13 extends to the inner chamber of locating block 11 and is connected with locating groove 12 threadedly, through the cooperation of locating block 11, locating groove 12 and screw 13, arc tooth 6 can be taken off from tooth ring 5 through the cooperation of locating block 11, locating groove 12 and screw 13, can make tooth ring 5 open a gap, and the placement of tower crane hoisting frame is facilitated, one side of arc tooth 6 is provided with detection head 7, and adjusting assembly 8 is arranged between detection head 7 and arc tooth 6, adjusting assembly 8 includes the fixed shell 81 of being fixedly connected in the front side of arc tooth 6, the inner chamber slidingly connected of fixed shell 81 has screw rod 82, and the right end of screw rod 82 is fixedly connected with detection head 7, and the right side of fixed shell 81 is rotatably connected with threaded sleeve no. One 83, and threaded sleeve no. One 83 is connected on the surface of screw rod 82 threadedly, and the top of base plate 1 is provided with center limiting assembly 10, and center limiting assembly 10 includes two symmetrical slide rails 101 of being fixedly connected at the top of base plate 1, and the surface slidingly connected of two slide rails 101 has two U-shaped frames 102, and the both ends of U-shaped frame 102 are all installed with supporting roller frame 103, and the top rotatably connected of base plate 1 has two-way threaded rod 104, and the both sides of the surface of two-way threaded rod 104 are all connected with threaded sleeve no. Two 105 threadedly, and one side of threaded sleeve no. Two 105 is fixedly connected with U-shaped frame 102, and the top of two-way threaded rod 104 is fixedly installed with hand wheel 106, through the setting of slide rail 101, the process of the up-and-down movement of U-shaped frame 102 will slide on the surface of two slide rails 101, provides the guidance and limit for the movement of U-shaped frame 102 and supporting roller frame 103, guarantees that supporting roller frame 103 is always on the center line of tooth ring 5 alignment, facilitates the centering of tower crane hoisting frame, and then facilitates detection, and the top of base plate 1 is fixedly installed with display instrument 9 of being electrically connected with detection head 7.

[0022] Working principle: the utility model for use, the user through the to be detected tower crane hoisting frame from the arc tooth 6 on the tooth ring 5 place in the inner chamber of tooth ring 5, through the operation hand wheel 106 drive two-way threaded rod 104 rotation, make two threaded sleeve two 105 drive two U-shaped frame 102 and the roller frame 103 move towards, tower crane hoisting frame clamping between four roller frame 103, further make tower crane hoisting frame be located at the center of tooth ring 5, then the positioning groove 12 on the arc tooth 6 is inserted into the inner chamber of positioning block 11 on tooth ring 5, then tighten screw 13, can make the arc tooth 6 install on tooth ring 5, adjust the position of tower crane hoisting frame, make detection head 7 with tower crane hoisting frame weld joint detection position alignment, then manually rotate threaded sleeve one 83, make screw rod 82 from the inner chamber of fixed shell 81 extend outward, make detection head 7 move towards the center of tooth ring 5 through screw rod 82, make detection head 7 contact the position beside weld, then motor 3 drive gear 4 rotation, further make tooth ring 5 and arc tooth 6 drive detection head 7 around a week to tower crane hoisting frame weld joint and carry out detection, detection data real-time transmission on display instrument 9, because only rotation a week, the wire between detection head 7 and display instrument 9 will not occur entanglement.

[0023] In conclusion: the tower crane hoisting frame weld joint detection device, through the to be detected tower crane hoisting frame from the arc tooth 6 on the tooth ring 5 place in the inner chamber of tooth ring 5, through the operation central limiting assembly 10, tower crane hoisting frame be located at the center of tooth ring 5, then the arc tooth 6 is installed on tooth ring 5, make detection head 7 with tower crane hoisting frame weld joint alignment, then through adjusting assembly 8, make detection head 7 contact the position beside weld, then motor 3 drive gear 4 rotation, further make tooth ring 5 and arc tooth 6 drive detection head 7 around a week to tower crane hoisting frame weld joint and carry out detection, can reach the purpose that can automatically surround tower crane hoisting frame weld joint and carry out detection, reduce manpower input, improve detection efficiency.

Claims

1. A tower crane jib weld inspection device, characterised in that, The utility model provides a kind of centering and limiting assembly, including base plate (1), the top of the base plate (1) is fixedly connected with stand (2), the rear side of the stand (2) is fixedly installed motor (3), the output shaft of the motor (3) penetrates to the inner cavity of stand (2) and is fixedly installed gear (4), the inner cavity of the stand (2) is slidably connected with the gear ring (5) engaged with gear (4), the side of the gear ring (5) is detachably installed arc gear (6), the side of arc gear (6) is provided with detection head (7), adjusting assembly (8) is arranged between detection head (7) and arc gear (6), the adjusting assembly (8) includes fixed shell (81) fixedly connected in the front side of arc gear (6), the inner cavity of the fixed shell (81) is slidably connected with screw rod (82), the right end of screw rod (82) is fixedly connected with detection head (7), the right side of the fixed shell (81) is rotatably connected with threaded sleeve one (83), threaded sleeve one (83) is screw-connected on the surface of screw rod (82), the top of base plate (1) is provided with centering and limiting assembly (10), the top of base plate (1) is fixedly installed with display instrument (9) electrically connected with detection head (7).

2. A tower crane hook weld inspection device according to claim 1, characterised in that, The centering and limiting assembly (10) includes two symmetrical slide rails (101) fixedly connected to the top of the base plate (1), and two U-shaped frames (102) are slidably connected to the surfaces of the two slide rails (101).

3. A tower crane hook weld inspection device according to claim 2, characterised in that, The top of the base plate (1) is rotatably connected with a bidirectional threaded rod (104), and the surfaces of the bidirectional threaded rod (104) are threadedly connected with two threaded sleeves (105) on both sides.

4. A tower crane hook weld inspection device according to claim 3, characterised in that, The top of the bidirectional threaded rod (104) is fixedly installed with a hand wheel (106).

5. A tower crane hook weld inspection device according to claim 4, characterised in that, The two ends of the gear ring (5) are provided with positioning blocks (11), the two ends of the arc gear (6) are fixedly connected with positioning grooves (12) inserted into the inner cavities of the positioning blocks (11), and screws (13) are penetratingly arranged on the gear ring (5), the ends of the screws (13) extend into the inner cavities of the positioning blocks (11) and are threadedly connected with the positioning grooves (12).

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