Ultrasonic detection device for port portal crane bearing

Abstract

The utility model discloses an ultrasonic detection device for a port portal crane bearing, which comprises a connecting ring, a fixing component, a driving component and an ultrasonic component, the fixing component is annular, the upper end of the fixing component is provided with an annular overhead groove, the driving component comprises a motor, a rotating shaft, a gear and a rotating ring, the connecting ring is arranged at the center of the annular fixing component, and the rotating ring is arranged in the annular overhead groove. A through hole is formed in the side wall of the fixing component, one end of the rotating shaft is inserted into the through hole and rotationally connected with the side wall of the connecting ring, the other end of the rotating shaft is connected with the motor, the rotating ring is rotationally arranged in the top groove, triangular teeth are arranged at the upper end of the rotating ring, a gear is arranged on the rotating shaft, and the ultrasonic component is connected with the rotating ring. According to the utility model, the joining ring is sleeved on the outer side of the port portal crane bearing to be detected, then the fixing member is matched with the rotating shaft of the driving member to realize clamping and limiting with the joining ring, and the motor of the driving member drives the rotating ring to carry the ultrasonic member to rotate around the joining ring along the top groove. Therefore, the port portal crane bearing located in the connecting ring is detected.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing detection, in particular to an ultrasonic detection device for a port gantry crane bearing. Background Art

[0002] Port gantry crane is a kind of heavy lifting equipment specially used for loading and unloading cargo from ships. It is usually located on the dock of the port and is used to move containers, cargo and other heavy objects, as well as to carry out loading and unloading operations. In the daily operation of the port gantry crane, the bearings of the port gantry crane need to be inspected regularly to avoid the bearings being broken or damaged, which may affect the normal use of the gantry crane. At present, when inspecting the bearings of the port gantry crane, most of them are manually inspected by operators using handheld inspection instruments. The inspection process is inefficient and the inspection accuracy is easily affected by the operation.

[0003] Therefore, there is an urgent need for an ultrasonic detection device for port gantry crane bearings to solve the problem of inconvenience in detecting port gantry crane bearings during daily operation of the port gantry crane. Utility Model Content

[0004] The utility model aims at the deficiencies in the prior art and provides an ultrasonic detection device for a port gantry crane bearing, so as to solve the problem of inconvenience in detecting the port gantry crane bearing during the daily operation of the port gantry crane.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An ultrasonic detection device for a port gantry bearing, characterized in that it includes a connecting ring, a fixing member, a driving member and an ultrasonic member, the fixing member is annular and has an annular top groove at the upper end, the driving member includes a motor, a rotating shaft, a gear and a swivel, the connecting ring is arranged at the center of the annular fixing member, the side wall of the fixing member is radially provided with a through hole, one end of the rotating shaft is movably inserted into the through hole and rotatably connected to the side wall of the connecting ring, the other end of the rotating shaft is connected to the motor, the swivel is rotatably arranged in the top groove, and has triangular teeth at the upper end, a gear for meshing with the triangular teeth is provided on the rotating shaft, the ultrasonic member is connected to the swivel, and the motor is used to drive the ultrasonic member to rotate along the top groove.

[0007] To optimize the above technical solutions, the specific measures taken also include:

[0008] Furthermore, the side wall of the connecting ring is provided with a groove for the end of the rotating shaft to be inserted, and the rotating shaft can rotate in the groove.

[0009] Furthermore, the fixing member and the rotating ring can be symmetrically divided into two semi-annular structures as a whole, and the two semi-annular structures can be connected to each other by mortise and tenon joints.

[0010] Furthermore, it also includes an adjusting component, the rotating ring is connected to the ultrasonic component through the adjusting component, and the adjusting component is used to drive the ultrasonic component to move up and down.

[0011] Furthermore, the adjustment component includes a vertical bending bar, an adjustment cylinder and an inner moving plate, the vertical bending bar is connected to the rotating ring, triangular teeth are provided at the upper end of the rotating ring and on both sides of the vertical bending bar, a vertical moving groove is provided on a side of the vertical bending bar facing the connecting ring, the moving groove is open on a side facing the connecting ring, a vertically arranged adjustment cylinder is provided in the moving groove, the upper output end of the adjusting cylinder is connected to the inner moving plate, the upper end of the inner moving plate is connected to the ultrasonic component, and the adjustment cylinder is used to drive the ultrasonic component to slide up and down in the moving groove.

[0012] Furthermore, the inner moving plate matches the width of the moving groove.

[0013] Furthermore, both side end surfaces where the vertical curved strip meets the top groove are configured as arc surfaces that fit the curvature of the annular top groove wall.

[0014] Furthermore, the ultrasonic component includes a hollow mounting bar, a driving cylinder, a mounting tube and an ultrasonic detector. The interior of the hollow mounting bar is a cavity, and a detection hole connected to the cavity is opened near the end of the connecting ring. A driving cylinder is provided in the cavity of the hollow mounting bar, and a mounting tube is installed at the movable end of the driving cylinder. An ultrasonic detector is installed inside the mounting tube, and the mounting tube is movably arranged in the detection hole.

[0015] Furthermore, a partition is installed in the internal cavity of the hollow mounting bar, a driving cylinder is installed in the internal cavity of the hollow mounting bar and on the side of the partition close to the connecting ring, a single-chip computer and a wireless transmitter are installed in the internal cavity of the hollow mounting bar and on the side of the partition away from the connecting ring, and the ultrasonic detector, the single-chip computer and the wireless transmitter are electrically connected.

[0016] Furthermore, one end of the rotating shaft away from the connecting ring extends out of the through hole of the fixing member and is connected to the motor.

[0017] The beneficial effects of the utility model are:

[0018] The utility model is provided with matching settings among a connecting ring, a fixing member and a driving member. When in use, the connecting ring can be directly sleeved on the outside of the port gantry crane bearing to be tested, or sleeved on other mechanisms above or below the port gantry crane bearing to be tested, and then the fixing member is matched with the rotating shaft of the driving member to realize the clamping limit with the connecting ring, and the fixing member is made parallel to the port gantry crane bearing, and then the rotating ring driven by the motor of the driving member carries the ultrasonic member to rotate around the connecting ring along the top groove, so as to detect the port gantry crane bearing located inside the connecting ring; when detection is not needed, the connection between the rotating shaft and the connecting ring can be released as needed, so as to realize convenient detection of the outer surface of the port gantry crane bearing and avoid the bearing breakage affecting the normal use of the gantry crane.

[0019] The utility model extends by driving the air cylinder to push the installation tube and the ultrasonic detector out from the inside of the detection hole, the detection head of the ultrasonic detector detects the bearing surface, and transmits the detected data to the single-chip microcomputer. The single-chip microcomputer integrates the rotation data and transmits the integrated data to the receiving terminal through the wireless transmitter.

[0020] The utility model operates by adjusting the cylinder. When the ultrasonic component detects the bearing, the position of the detection point can be adjusted up and down. After the vertical position of a certain part of the bearing is detected, the motor drives the rotating shaft to rotate on the outside of the connecting ring, so that the adjusting component and the ultrasonic component can be rotated and detected on the outside of the bearing, which is convenient for comprehensive detection of the outer surface of the bearing, and avoids bearing breakage affecting the normal use of the door machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of an ultrasonic detection device for a port gantry crane bearing proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the fixing components of an ultrasonic detection device for a port gantry crane bearing proposed by the utility model;

[0023] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0024] Figure 4 The present invention is a schematic structural diagram of an ultrasonic component of an ultrasonic detection device for a port gantry crane bearing proposed by the present invention.

[0025] Attached figures: 1. Detection structure; 11. Fixed member; 111. External hollow ring; 112. Top groove; 113. Rotating ring; 114. Connecting block; 115. Triangular gear; 12. Connecting ring; 13. Driving member; 131. Motor; 132. Rotating shaft; 133. Gear; 14. Adjusting member; 141. Vertical bending bar; 142. Moving groove; 143. Adjusting cylinder; 144. Inner moving plate; 15. Ultrasonic member; 151. Hollow mounting bar; 152. Detection hole; 153. Partition; 154. Driving cylinder; 155. Mounting tube; 156. Ultrasonic detector; 157. Single chip microcomputer; 158. Wireless transmitter. DETAILED DESCRIPTION

[0026] The utility model is described in detail below with reference to the accompanying drawings.

[0027] As attached Figure 1 and attached Figure 2 As shown, an ultrasonic detection device for a bearing of a port gantry crane according to an embodiment of the utility model comprises a detection structure 1, wherein the detection structure 1 comprises a connecting ring 12, a fixing member 11, a driving member 13 and an ultrasonic member 15, wherein the fixing member 11 is annular and has an annular top groove 112 at the upper end, wherein the driving member 13 comprises a motor 131, a rotating shaft 132, a gear 133 and a rotating ring 113, wherein the connecting ring 12 is used to be sleeved on the mechanism to be detected and is arranged at the center of the annular fixing member 11 A through hole is radially opened on the side wall of the fixed component 11, one end of the rotating shaft 132 is movably inserted into the through hole and is rotatably connected to the side wall of the connecting ring 12, the other end of the rotating shaft 132 is connected to the motor 131, the rotating ring 113 is rotatably arranged in the top groove 112, and a triangular tooth 115 is provided at the upper end, and a gear 133 for meshing with the triangular tooth 115 is provided on the rotating shaft 132, the ultrasonic component 15 is connected to the rotating ring 113, and the motor 131 is used to drive the ultrasonic component 15 to rotate along the top groove 112.

[0028] The utility model is provided with the matching arrangement among the connecting ring 12, the fixing member 11 and the driving member 13. When in use, the connecting ring 12 can be directly sleeved on the outside of the port gantry bearing to be detected, or sleeved on other mechanisms above or below the port gantry bearing to be detected, and then the fixing member 11 is matched with the rotating shaft 132 of the driving member 13 to realize the clamping limit with the connecting ring 12, and make the fixing member 11 parallel to the port gantry bearing, and then the motor 131 of the driving member 13 drives the rotating ring 113 to carry the ultrasonic member 15 to rotate around the connecting ring 12 along the top groove 112, so as to detect the port gantry bearing located inside the connecting ring 12; when detection is not needed, the connection between the rotating shaft 132 and the connecting ring 12 can be released as needed, so as to realize the convenient detection of the outer surface of the port gantry bearing and avoid the bearing breakage affecting the normal use of the gantry.

[0029] Specifically, when in use, the motor 131 drives the rotating shaft 132 to rotate in the through hole, and the gear 133 on the rotating shaft 132 drives the rotating ring 113 with triangular teeth 115 meshing with it to rotate in the top groove 112, thereby driving the ultrasonic component 15 on the rotating ring 113 to rotate, so as to detect the outer surface of the port gantry crane bearing around it.

[0030] In this embodiment, the fixing member 11 may be an external hollow ring 111, the upper end of which is provided with a top groove 112, a swivel 113 is movably mounted at the bottom end of the top groove 112 of the external hollow ring 111, a triangular tooth 115 is mounted at the top of the swivel 113, and the ultrasonic member 15 can be connected.

[0031] In another specific embodiment, the side wall of the connecting ring 12 is provided with a groove for the end of the rotating shaft 132 to be inserted, and the rotating shaft 132 can rotate in the groove. In this way, the fixing member 11 can be conveniently matched with the rotating shaft 132 of the driving member 13 to achieve the clamping and limiting of the connecting ring 12. In this embodiment, bearings can be provided as needed at the rotation connection between the rotating shaft 132 and the through hole, and between the grooves.

[0032] In another specific embodiment, the fixing member 11 and the rotating ring 113 can be symmetrically divided into two semi-annular structures as a whole, and the two semi-annular structures can be connected to each other by mortise and tenon joints. In this way, the fixing member 11 and the rotating ring 113 can be conveniently disassembled and assembled as a whole. At the same time, in this embodiment, the connecting ring 12 can also be set as a detachable mortise and tenon joint structure as needed to facilitate the disassembly and assembly of the connecting ring 12, and bolts and other structures can also be added on the basis of the mortise and tenon joint structure to ensure the stability of the structure when it is used.

[0033] As attached Figure 3 As shown, in another specific embodiment, an adjustment member 14 is further included, and the swivel 113 is connected to the ultrasonic member 15 through the adjustment member 14, and the adjustment member 14 is used to drive the ultrasonic member 15 to move up and down. In this way, the ultrasonic member 15 can be controlled to move up and down by the adjustment member 14 as needed, thereby increasing the detection range of the ultrasonic member 15.

[0034] Among them, in a further specific embodiment, the adjustment member 14 includes a vertical bending bar 141, an adjustment cylinder 143 and an inner moving plate 144, the vertical bending bar 141 is connected to the rotating ring 113, and triangular teeth 115 are provided at the upper end of the rotating ring 113 and on both sides of the vertical bending bar 141, and a vertical moving groove 142 is provided on the side of the vertical bending bar 141 facing the connecting ring 12, and the side of the moving groove 142 facing the connecting ring 12 is open, and a vertically arranged adjustment cylinder 143 is provided in the moving groove 142, and the upper end output end of the adjustment cylinder 143 is connected to the inner moving plate 144, and the upper end of the inner moving plate 144 is connected to the ultrasonic member 15, and the adjustment cylinder 143 is used to drive the ultrasonic member 15 to slide up and down in the moving groove 142. In this way, when in use, the inner moving plate 144 can be driven to slide up and down in the moving groove 142 by the adjustment cylinder 143, thereby driving the ultrasonic member 15 to slide up and down in the moving groove 142.

[0035] The width of the inner moving plate 144 matches the width of the moving groove 142, that is, the width of the inner moving plate 144 is the same as that of the moving groove 142. In this way, the stability of the inner moving plate 144 sliding in the moving groove 142 can be increased by limiting the width of the inner moving plate 144 and the moving groove 142.

[0036] The two side end surfaces where the vertical curved strip 141 and the top groove 112 meet are both configured as arc surfaces that fit the arc of the annular top groove 112 wall. Thus, the stability of the vertical curved strip 141 sliding in the top groove 112 can be increased by the matching arrangement of the end surface of the vertical curved strip 141 and the top groove 112 wall.

[0037] As attached Figure 4 As shown, in another specific embodiment, the ultrasonic component 15 includes a hollow mounting bar 151, a driving cylinder 154, a mounting tube 155 and an ultrasonic detector 156. The interior of the hollow mounting bar 151 is a cavity, and a detection hole 152 connected to the cavity is opened near the end of the connecting ring 12. The driving cylinder 154 is provided in the cavity of the hollow mounting bar 151, and the mounting tube 155 is installed at the movable end of the driving cylinder 154. The ultrasonic detector 156 is installed inside the mounting tube 155, and the mounting tube 155 is movably arranged in the detection hole 152. Thus, by setting the hollow mounting bar 151, it can be conveniently installed with other mechanisms, and at the same time, the ultrasonic detector 156 can be protected; by setting the driving cylinder 154 and the mounting tube 155, when in use, the driving cylinder 154 can be driven to extend the ultrasonic detector 156 for scanning, and when not in use, the driving cylinder 154 can be driven to retract the ultrasonic detector 156 into the hollow mounting bar 151, thereby protecting the ultrasonic detector 156. In this embodiment, the diameter of the mounting tube 155 is smaller than the diameter of the detection hole 152.

[0038] In this embodiment, the hollow mounting bar 151 can be used to be directly connected to the above-mentioned rotating ring 113, or to be connected to the inner moving plate 144 of the adjusting member 14 to achieve connection with the rotating ring 113.

[0039] In a further specific embodiment, a partition 153 is installed in the internal cavity of the hollow mounting bar 151, a driving cylinder 154 is installed in the internal cavity of the hollow mounting bar 151 and on the side of the partition 153 close to the connecting ring 12, a single-chip computer 157 and a wireless transmitter 158 are installed in the internal cavity of the hollow mounting bar 151 and on the side of the partition 153 away from the connecting ring 12, and the ultrasonic detector 156, the single-chip computer 157 and the wireless transmitter 158 are electrically connected.

[0040] In another specific embodiment, one end of the rotating shaft 132 away from the connecting ring 12 extends out of the through hole of the fixing member 11 and is connected to the motor 131 .

[0041] A specific embodiment of the device of the utility model includes a detection structure 1, which includes a fixing member 11 and a connecting ring 12 arranged at the inner middle end of the fixing member 11, a driving member 13 is installed on the outer side of the fixing member 11, and the driving member 13 penetrates the side end of the fixing member 11 and is connected to the outer surface of the connecting ring 12, an adjusting member 14 is installed through the top end of the fixing member 11, and an ultrasonic member 15 is slidably installed inside the adjusting member 14.

[0042] The ultrasonic component 15 includes a hollow mounting bar 151 and a detection hole 152 opened on the outer surface of the hollow mounting bar 151, and a partition 153 is installed inside the hollow mounting bar 151, and a driving cylinder 154 is installed inside the hollow mounting bar 151 and on one side of the partition 153, a mounting tube 155 is installed at the movable end of the driving cylinder 154, and an ultrasonic detector 156 is installed inside the mounting tube 155, and the diameter of the mounting tube 155 is smaller than the diameter of the detection hole 152, the driving cylinder 154 is used to push the ultrasonic detector 156 toward the outer surface of the bearing, and the ultrasonic detector 156 is used to detect the bearing.

[0043] A single chip microcomputer 157 and a wireless transmitter 158 are installed on one side of the partition 153 and inside the hollow mounting bar 151, and the single chip microcomputer 157 and the wireless transmitter 158 are electrically connected. The detection data of the ultrasonic detector 156 is processed by the single chip microcomputer 157 and then transmitted to the terminal by the wireless transmitter 158.

[0044] In this embodiment: the connecting ring 12 is installed on the outside of the bearing, the fixing component 11 is located on the inner wall of the gantry crane housing, and the ultrasonic component 15 is vertically arranged on one side of the bearing. When the bearing at the rotating part of the port gantry crane is detected, the driving cylinder 154 inside the hollow mounting bar 151 is extended to push the mounting tube 155 and the ultrasonic detector 156 out from the inside of the detection hole 152. The detection head of the ultrasonic detector 156 detects the surface of the bearing and transmits the detected data to the single-chip microcomputer 157. The single-chip microcomputer 157 integrates the rotation data and transmits the integrated data to the receiving terminal through the wireless transmitter 158.

[0045] In another specific embodiment of the device of the present invention, the fixing member 11 includes an external hollow ring 111 and a top groove 112 opened at the top of the external hollow ring 111, a swivel 113 is movably installed at the inner bottom end of the external hollow ring 111, and a triangular tooth 115 and an adjustment member 14 are installed at the top of the swivel 113, and the adjustment member 14 is located inside the top groove 112. The rotating swivel 113 can drive the adjustment member 14 and the ultrasonic member 15 to change the detection angle.

[0046] The driving component 13 includes a motor 131 installed on the outer surface of the external hollow ring 111, a rotating shaft 132 is installed at the output end of the motor 131, one end of the rotating shaft 132 is movably installed on the outer surface of the connecting ring 12, a gear 133 is installed on the outer surface of the rotating shaft 132 and inside the external hollow ring 111, and the gear 133 is meshed with the triangular tooth 115, a connecting block 114 is installed inside the top groove 112, and the driving component 13 is located below the connecting block 114, the operating motor 131 is used to drive the rotating shaft 132 and the gear 133 to rotate, and the meshing gear 133 drives the triangular tooth 115 and the rotating ring 113 to rotate inside the external hollow ring 111.

[0047] The adjusting member 14 includes a vertical bending bar 141 and a movable groove 142 opened on the outer side of the vertical bending bar 141, and the position of the movable groove 142 is toward the connecting ring 12. An adjusting cylinder 143 is installed at the inner bottom end of the movable groove 142, and the telescopic adjustment cylinder 143 controls the detection height of the ultrasonic member 15.

[0048] An inner moving plate 144 is installed at the moving end of the moving groove 142 , and the shape of the inner moving plate 144 matches that of the moving groove 142 . The ultrasonic component 15 is installed at the top end of the inner moving plate 144 .

[0049] In this embodiment: after the ultrasonic component 15 detects a certain position of the bearing, the adjustment cylinder 143 operates, and controls the inner moving plate 144 to move up and down inside the moving groove 142, thereby driving the ultrasonic component 15 driven by the inner moving plate 144 to move, so that when the ultrasonic component 15 detects the bearing, the position of the detection point can be adjusted up and down. After the vertical position of a certain point of the bearing is detected, the motor 131 operates to drive the rotating shaft 132 to rotate on the outside of the connecting ring 12, and the rotating shaft 132 drives the gear 133 to rotate inside the external hollow ring 111, and the triangular teeth 115 and the rotating ring 113 meshing with the gear 133 rotate at the inner bottom end of the external hollow ring 111. Since the bottom end of the adjusting component 14 is installed at the top of the rotating ring 113, the adjusting component 14 can rotate inside the top groove 112, so that the adjusting component 14 and the ultrasonic component 15 can be rotated on the outside of the bearing for detection, which is convenient for comprehensive detection of the outer surface of the bearing to avoid bearing breakage affecting the normal use of the door machine.

[0050] Working principle: The detection head of the ultrasonic detector 156 detects the surface of the bearing, and the detection data is integrated by the single-chip computer 157 and then transmitted to the receiving terminal by the wireless transmitter 158. The height of the ultrasonic component 15 is controlled by the adjustment component 14, and the position angle of the adjustment component 14 and the ultrasonic component 15 is adjusted by the driving component 13. The ultrasonic component 15 detects the outer surface of the bearing.

[0051] It should be noted that the terms such as "upper", "lower", "left", "right", "front", "back", etc. used in the utility model are only for the convenience of description and are not used to limit the scope of implementation of the utility model. Changes or adjustments in their relative relationships should be regarded as the scope of implementation of the utility model without substantially changing the technical content.

[0052] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should be regarded as the protection scope of the utility model.

Claims

1. An ultrasonic detection device for port gantry crane bearings, characterized in that: The invention comprises a connecting ring (12), a fixing member (11), a driving member (13) and an ultrasonic member (15); the fixing member (11) is annular and has an annular top groove (112) at its upper end; the driving member (13) comprises a motor (131), a rotating shaft (132), a gear (133) and a rotating ring (113); the connecting ring (12) is arranged at the center of the annular fixing member (11); a through hole is radially formed on the side wall of the fixing member (11); and the rotating shaft (132) has a through hole at its inner side. One end is movably inserted into the through hole and is rotatably connected to the side wall of the connecting ring (12); the other end of the rotating shaft (132) is connected to the motor (131); the rotating ring (113) is rotatably arranged in the top groove (112) and is provided with triangular teeth (115) at the upper end; a gear (133) for meshing with the triangular teeth (115) is provided on the rotating shaft (132); the ultrasonic component (15) is connected to the rotating ring (113); and the motor (131) is used to drive the ultrasonic component (15) to rotate along the top groove (112).

2. The ultrasonic detection device for port gantry crane bearings according to claim 1 is characterized in that: The side wall of the connecting ring (12) is provided with a groove into which the end of the rotating shaft (132) can be inserted, and the rotating shaft (132) can rotate in the groove.

3. The ultrasonic detection device for port gantry crane bearings according to claim 1 is characterized in that: The fixed component (11) and the rotating ring (113) can be symmetrically divided into two semi-annular structures as a whole, and the two semi-annular structures can be connected to each other by mortise and tenon joints.

4. The ultrasonic detection device for port gantry crane bearings according to claim 1 is characterized in that: It also comprises an adjusting component (14), wherein the rotating ring (113) is connected to the ultrasonic component (15) via the adjusting component (14), and the adjusting component (14) is used to drive the ultrasonic component (15) to move up and down.

5. The ultrasonic detection device for port gantry crane bearings according to claim 4 is characterized in that: The adjustment component (14) comprises a vertical bending bar (141), an adjustment cylinder (143) and an inner moving plate (144); the vertical bending bar (141) is connected to the rotating ring (113); triangular teeth (115) are provided at the upper end of the rotating ring (113) and on both sides of the vertical bending bar (141); a vertical moving groove (142) is provided on a side of the vertical bending bar (141) facing the connecting ring (12); a side of the moving groove (142) facing the connecting ring (12) is open; a vertically arranged adjustment cylinder (143) is provided in the moving groove (142); an upper output end of the adjustment cylinder (143) is connected to the inner moving plate (144); an upper end of the inner moving plate (144) is connected to the ultrasonic component (15); and the adjustment cylinder (143) is used to drive the ultrasonic component (15) to slide up and down in the moving groove (142).

6. The ultrasonic detection device for port gantry crane bearings according to claim 5 is characterized in that: The inner moving plate (144) matches the width of the moving groove (142).

7. The ultrasonic detection device for port gantry crane bearings according to claim 5 is characterized in that: The end surfaces on both sides of the junction between the vertical curved strip (141) and the top groove (112) are both configured as arc surfaces that fit the arc of the groove wall of the annular top groove (112).

8. The ultrasonic detection device for port gantry crane bearings according to claim 1 is characterized in that: The ultrasonic component (15) comprises a hollow mounting bar (151), a driving cylinder (154), a mounting tube (155) and an ultrasonic detector (156); the interior of the hollow mounting bar (151) is a cavity, and a detection hole (152) communicating with the cavity is provided at an end close to the connecting ring (12); a driving cylinder (154) is provided in the cavity of the hollow mounting bar (151); a mounting tube (155) is installed at a movable end of the driving cylinder (154); an ultrasonic detector (156) is installed inside the mounting tube (155), and the mounting tube (155) is movably arranged in the detection hole (152).

9. The ultrasonic detection device for port gantry crane bearings according to claim 8, characterized in that: A partition plate (153) is installed in the internal cavity of the hollow mounting bar (151); a driving cylinder (154) is installed in the internal cavity of the hollow mounting bar (151) and on a side of the partition plate (153) close to the connecting ring (12); a single-chip computer (157) and a wireless transmitter (158) are installed in the internal cavity of the hollow mounting bar (151) and on a side of the partition plate (153) away from the connecting ring (12); and the ultrasonic detector (156), the single-chip computer (157) and the wireless transmitter (158) are electrically connected.

10. The ultrasonic detection device for port gantry crane bearings according to claim 1, characterized in that: One end of the rotating shaft (132) away from the connecting ring (12) extends out of the through hole of the fixing component (11) and is connected to the motor (131).

Images