CN214495524U - Multipoint video monitoring device of tower crane - Google Patents
Multipoint video monitoring device of tower crane Download PDFInfo
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- CN214495524U CN214495524U CN202120238758.4U CN202120238758U CN214495524U CN 214495524 U CN214495524 U CN 214495524U CN 202120238758 U CN202120238758 U CN 202120238758U CN 214495524 U CN214495524 U CN 214495524U
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Abstract
The utility model belongs to the technical field of video monitoring equipment, concretely relates to tower crane's multiple spot video monitoring device. The monitoring device includes: the device comprises a steel wire rope camera, an arm support camera, a first lifting hook camera, a second lifting hook camera, a display assembly, a data processing and transmitting assembly and a power supply assembly. The steel wire rope camera is arranged at a lifting mechanism on a balance arm of the tower crane; the arm support camera is arranged on the side surface of the variable amplitude trolley in the tower crane; the first lifting hook camera is arranged at the bottom of the amplitude variation trolley; the second lifting hook camera is arranged on one side, close to the lifting hook, below the cab; the display assembly is installed in the tower crane cab. The data processing and transmitting component is used for transmitting the acquired picture to the display component for displaying; the power supply assembly is used for supplying power to each assembly in the multipoint video monitoring device. The device can monitor the lifting mechanism, the lifting arm support, the lifting hook and lifting objects thereof in real time; the video monitoring defect of the traditional tower crane is eliminated.
Description
Technical Field
The utility model belongs to the technical field of video monitoring equipment, concretely relates to tower crane's multiple spot video monitoring device.
Background
The rapid growth of the land industry has led to an increase in the demand for tower cranes year after year. The video and the humanization of operation in the use of the tower crane are the new direction of industry development. The operation conditions of all the mechanisms are inconvenient to observe during operation (for example, the steel wire rope of a hoisting mechanism is messy, rope skipping easily causes broken strands of the steel wire rope and other major potential safety hazards) due to the fact that the operation mechanisms are relatively scattered during the use process of the tower crane. In addition, the driver can not observe the actual working condition of the back of the tower when the tower crane lifting hook is hoisted in a separated building. Meanwhile, as the arm support of the tower crane is longer and is suspended at the high altitude, the abrasion condition of each arm support section and the use condition of the pin shaft can influence the safety performance of the tower crane after long-time operation, but the conditions of the structures are often inconvenient to observe, and the traditional safety detection system is not designed for the part.
In a word, the video monitoring of the tower crane in the current market only focuses on monitoring a certain point or a link, and the video monitoring at multiple points and multiple places is still blank; in practice, the tower crane still has a certain degree of hidden trouble in safe operation.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims at providing a multipoint video monitoring device of a tower crane, which can monitor a hoisting mechanism, a hoisting arm support, a lifting hook and a hoisting object thereof in real time; the video monitoring defect of the traditional tower crane is eliminated.
In order to achieve the purpose, the utility model discloses a realize through following technical scheme:
a multipoint video monitoring device of a tower crane comprises: the device comprises a steel wire rope camera, an arm support camera, a first lifting hook camera, a second lifting hook camera, a display assembly, a data processing and transmitting assembly and a power supply assembly.
The steel wire rope camera is arranged at a lifting mechanism on a balance arm of the tower crane; the image capturing area of the steel wire rope camera is the area where the steel wire rope in the hoisting mechanism is located.
The arm support camera is arranged on the side surface of the variable amplitude trolley in the tower crane; the image capturing area of the boom camera is a part of the crane boom of the tower crane, which is opposite to the side surface of the amplitude variation trolley.
The first lifting hook camera is arranged at the bottom of the amplitude variation trolley; the image capturing area of the first lifting hook camera is a lifting hook area right below the camera.
The second lifting hook camera is arranged on one side, close to the lifting hook, below the cab, and the image capturing area of the second lifting hook camera is the position of the lifting hook and a lifting object of the lifting hook;
the display assembly is arranged in the tower crane cab and is over against the position of a driving position of an operator; the display assembly is used for displaying real-time images acquired by the steel wire rope camera, the arm support camera, the first lifting hook camera and the second lifting hook camera;
the data processing and transmitting assembly is electrically connected with the steel wire rope camera, the arm support camera, the first lifting hook camera, the second lifting hook camera and the display assembly; the data processing and transmitting assembly is used for acquiring and decoding image data acquired by the steel wire rope camera, the arm support camera, the first lifting hook camera and the second lifting hook camera and transmitting the image data to the display assembly for display.
The power supply assembly is used for supplying power to each assembly in the multipoint video monitoring device.
In the use process of the multipoint video monitoring device, a steel wire camera at the lifting mechanism constantly monitors the use condition of the lifting mechanism and the running conditions of a steel wire rope and a rope arranging wheel. The safety hazards of the types such as rope clamping, strand breaking and the like caused by the fact that a steel wire rope is disorderly due to faults such as rope arranging wheel stagnation and the like and even a roller jumping out of a winding rope can be found out in the first time when the hoisting mechanism runs.
The boom camera on the side surface of the amplitude variation trolley mainly monitors the use and abrasion conditions of a boom of a crane in the tower crane, the use conditions of the boom of the tower crane are regularly checked by maintenance personnel for a long time, and if the problem occurs in a clearance between two times of regular checking, the situation cannot be guaranteed. The camera can be used for monitoring various potential safety hazards appearing on each section of crane jib at any time in real time in the process of running the tower crane and along with the moving process of the amplitude-variable trolley.
First lifting hook camera direct mount is directly over the lifting hook, therefore even the lifting hook removes the back to certain building, the navigating mate still can know the current position and the situation of lifting hook according to the video picture that first lifting hook camera transmitted. Wherein, this camera can zoom automatically according to the altitude variation of current lifting hook to guarantee that lifting hook below image keeps clear.
Because the first lifting hook camera shoots the image at the position of the lifting hook from top to bottom, the position relation and the connection state between the lifting object below the lifting hook and the lifting hook can not be accurately known, and therefore, the second lifting camera is additionally arranged below the cab, and the camera can replace human eyes to track and monitor the lifting object; the zooming performance of the camera is often higher than that of human eyes, so that the camera can accurately track and amplify even a remote hoisting object.
And simultaneously, the second hoisting camera is used, and the four image pictures are displayed on the same display assembly. When operating, an operator can finish the hoisting process only by staring at the picture on the display assembly without observing the display and simultaneously viewing the hoisted object; this reduces the difficulty and fatigue of the driver in the operation process, and helps the driver to operate the crane more safely.
Further, the steel wire rope camera, the arm support camera and the first lifting hook camera are fixedly connected with the structural component at the installation position through the installation frame.
The monitoring area of the three cameras is approximately fixed, so that only a fixed connection mode is needed, and the influence of the position deviation of the cameras on the monitoring effect in the using process is avoided.
Further, the steel wire rope camera, the arm support camera and the first hook camera are all hemispherical wide-angle cameras; the first lifting hook is used for shooting and selecting a camera with high zooming performance, and the first lifting hook camera automatically zooms along with the height of the lifting hook.
Because these three regions all need to realize great control angle, be fit for using hemisphere wide angle camera in the time. Meanwhile, the height of the lifting hook is constantly changed in the using process; in order to focus the focus of the picture on the lifting hook, a stable clear picture is obtained; the utility model discloses in, but first lifting hook camera still need select the camera of auto zoom.
Furthermore, the second hook camera is connected with a structure at the bottom of the cab through an adjustable mounting frame, and the adjustable mounting frame comprises a horizontal rotating part and a pitching adjusting part; the horizontal rotation part drives the second lifting hook camera to rotate along the horizontal direction, and the pitching adjustment part drives the second lifting hook camera to rotate along the vertical direction.
Further, the second lifting hook camera is a gun type camera.
Further on; the adjustable mounting frame comprises a mounting seat, a horizontal rotary table, a U-shaped frame, a pitching rotating shaft, a camera fixing seat, a horizontal rotation driving motor and a pitching driving motor; the mounting seat is fixedly connected to a frame at the bottom of the cab; the horizontal rotary table is rotatably connected with the bottom surface of the mounting seat; a cavity is arranged in the horizontal rotary table; the horizontal rotation driving motor is fixedly connected in a cavity inside the horizontal rotary table, and an output shaft of the horizontal rotation driving motor is fixedly connected with the mounting seat; the horizontal rotation driving motor drives the horizontal rotary table to rotate relative to the mounting seat; the U-shaped frame is fixedly connected to the bottom of the horizontal rotary table; a through hole extending along the horizontal direction is formed in the U-shaped frame, and the camera fixing seat is fixedly connected to the U-shaped through hole through the pitching rotating shaft; the axial direction of the pitching rotating shaft is vertical to the vertical direction; the pitching driving motor is connected with the pitching rotating shaft and used for driving the camera fixing seat to rotate in a vertical plane relative to the U-shaped frame; the second lifting hook camera is fixedly connected with the camera fixing seat.
Further, the controller of the horizontal rotation driving motor drives the horizontal rotation driving motor to rotate, the second hook camera and the suspension arm of the tower crane rotate synchronously, and the image capturing area of the second hook camera tracks the positions of the hook and a hoisting object of the hook in real time.
Further, a controller of the pitching driving motor drives the pitching driving motor to rotate, and the pitching action of the second hoisting camera and the lifting motion of the lifting hook are synchronously adjusted; and the image capturing area of the second lifting hook camera tracks the positions of the lifting hook and the lifting object thereof in real time.
The utility model discloses in, the second lifting hook camera adopts adjustable mounting bracket to install, and in the use, two actions are adjusted through horizontal rotation and every single move to adjustable mounting bracket, realize the pursuit to lifting hook and hoist and mount thing. The picture of the lifting hook and the lifting object can be accurately displayed in the picture.
In the actual use process, the pictures of the first lifting hook camera and the second lifting hook camera are mutually complementary, and images of the lifting hook at different angles can be comprehensively acquired. And under the condition that one camera is in an image dead angle, the image of the other camera can be used as a reference.
Further, the horizontal rotation driving motor and the pitch driving motor are both selected as stepping motors.
The stepping motor selected in the utility model can accurately adjust the rotating angular displacement of the motor according to the signal sent by the controller, and the control signal sent by the controller is adjusted in real time according to the rotating angle of the crane arm support and the lifting height of the lifting hook; therefore, the second lifting hook camera can be ensured to accurately track the lifting hook and the position of the lifting object.
Furthermore, the power supply assembly also comprises a storage battery and a charging and discharging management circuit; the power supply assembly is electrically connected with a power cable connected with the tower crane control part; and the charging and discharging pipeline circuit charges the storage battery in the non-working state of the tower crane.
The utility model discloses in, in order to prevent that municipal power supply from appearing the risk of interrupting, still be equipped with storage battery as stand-by power supply for this multiple spot video monitoring device to charge for the battery when equipment is idle.
The utility model provides a pair of tower crane's multiple spot video monitoring device has following beneficial effect:
the arm support camera and the steel wire rope camera are added to the multipoint video monitoring device; the crane boom monitoring system is used for monitoring the abrasion condition of the crane boom, the operation condition of the hoisting mechanism and the operation condition of the steel wire rope on the hoisting mechanism in real time, and is convenient for operators to find potential safety hazards which may appear in the operation process of the crane in the first time.
Simultaneously the utility model discloses a monitoring device still adopts first lifting hook camera and second lifting hook camera to monitor the picture of lifting hook and hoist and mount thing simultaneously, and the picture of lifting hook department is shot from different angles respectively to two cameras, consequently can each other be supplementary, eliminates the problem at the monitoring dead angle that the information that single picture leads to is not enough and the special case.
The utility model discloses concentrate on the picture of a plurality of cameras with the demonstration on same display, operating personnel can make the action of manipulation according to the information on the control picture. The tracking and zooming performance of the camera enables operators not to frequently turn heads or visually observe heavy objects on the lifting hook, so that the fatigue of operators in the driving process can be greatly reduced, and the driving safety of the crane is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a position distribution diagram of each camera assembly on a tower crane in a multipoint video monitoring device of the tower crane according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a second hook camera and an adjustable mounting rack thereof in the multipoint video monitoring device of the tower crane according to embodiment 1 of the present invention;
labeled as:
1. a hoisting mechanism; 3. a crane boom; 3. a variable amplitude trolley; 4. a hook; 5. a cab; 6. a wire rope camera; 7. a boom camera; 8. a first hook camera; 9. a second hook camera; 10. a mounting seat; 11. a horizontal turntable; 12. a U-shaped frame; 13. a pitching rotation shaft; 14. camera fixing base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1, a multipoint video monitoring device of a tower crane includes: the device comprises a steel wire rope camera 6, an arm support camera 7, a first lifting hook camera 8, a second lifting hook camera 9, a display assembly, a data processing and transmitting assembly and a power supply assembly.
The steel wire rope camera 6 is arranged at a lifting mechanism 1 on a balance arm of the tower crane; the image capturing area of the steel wire rope camera 6 is the area where the steel wire rope in the hoisting mechanism 1 is located.
The arm support camera 7 is arranged on the side surface of the variable amplitude trolley 3 in the tower crane; the image capturing area of the boom camera 7 is the part of the crane boom 2 facing the side of the amplitude variation trolley 3.
The first lifting hook camera 8 is arranged at the bottom of the amplitude variation trolley 3; the image capture area of the first hook camera 8 is the area of the hook 4 directly below the camera.
The second lifting hook camera 9 is arranged on one side, close to the lifting hook 4, below the cab 5, and the image capturing area of the second lifting hook camera 9 is the position of the lifting hook 4 and a lifting object thereof;
the display component is arranged in the tower crane cab 5 and is over against the position of a driving position of an operator; the display component is used for displaying real-time images acquired by the steel wire rope camera 6, the arm support camera 7, the first lifting hook camera 8 and the second lifting hook camera 9;
the data processing and transmitting component is electrically connected with the steel wire rope camera 6, the arm support camera 7, the first lifting hook camera 8, the second lifting hook camera 9 and the display component; the data processing and transmission assembly is used for acquiring and decoding image data acquired by the steel wire rope camera 6, the arm support camera 7, the first lifting hook camera 8 and the second lifting hook camera 9, and transmitting the image data to the display assembly for display.
The power supply assembly is used for supplying power to each assembly in the multipoint video monitoring device.
In the use process of the multipoint video monitoring device, a steel wire camera at the position of a hoisting mechanism 1 constantly monitors the use condition of the hoisting mechanism 1 and the running conditions of a steel wire rope and a rope arranging wheel. The safety hazards of the types such as rope clamping, strand breaking and the like caused by the fact that a steel wire rope is disorderly due to faults such as rope arranging wheel stagnation and even a roller jumping out of a winding rope can be guaranteed when the hoisting mechanism 1 is found to operate at the first time.
The boom camera 7 on the side surface of the amplitude variation trolley 3 is mainly used for monitoring the use and abrasion conditions of the crane boom 2 in the tower crane, the use conditions of the crane boom are regularly checked by maintenance personnel for a long time, and if the problem occurs in the clearance of twice regular check, the situation cannot be guaranteed. The camera can be used for monitoring various potential safety hazards appearing on each section of the lifting arm support 2 at any time in real time in the moving process of the tower crane along with the variable amplitude trolley 3.
The first hook camera 8 is directly installed right above the hook 4, so even if the hook 4 moves to the back of a certain building, a driver can still know the current position and condition of the hook 4 according to a video picture transmitted from the first hook camera 8. Wherein, this camera can zoom automatically according to the altitude variation of current lifting hook 4 to guarantee that 4 below images of lifting hook keep clear.
Because the first lifting hook camera 8 shoots the image at the position of the lifting hook 4 from top to bottom, the position relation and the connection state between the lifting object below the lifting hook 4 and the lifting hook 4 can not be accurately known, therefore, the utility model discloses still increase a second lifting camera below the cab 5, this is made a video recording and can replace human eyes to carry out the tracking and monitoring of the lifting object; the zooming performance of the camera is often higher than that of human eyes, so that the camera can accurately track and amplify even a remote hoisting object.
And simultaneously, the second hoisting camera is used, and the four image pictures are displayed on the same display assembly. When operating, an operator can finish the hoisting process only by staring at the picture on the display assembly without observing the display and simultaneously viewing the hoisted object; this reduces the difficulty and fatigue of the driver in the operation process, and helps the driver to operate the crane more safely.
In this embodiment, the steel wire rope camera 6, the boom camera 7, and the first hook camera 8 are fixedly connected to the structural component at the installation position thereof through the mounting bracket.
The monitoring area of the three cameras is approximately fixed, so that only a fixed connection mode is needed, and the influence of the position deviation of the cameras on the monitoring effect in the using process is avoided.
The steel wire rope camera 6, the arm support camera 7 and the first hook camera 8 are all hemispherical wide-angle cameras; wherein, the camera of high zoom performance is selected in the first lifting hook 4 making a video recording, and first lifting hook camera 8 zooms along with the height of lifting hook 4 is automatic.
Because these three regions all need to realize great control angle, be fit for using hemisphere wide angle camera in the time. Meanwhile, the height of the lifting hook 4 is constantly changed in the using process; in order to focus the focus of the picture on the hook 4, a stable clear picture is obtained; the utility model discloses in, but first lifting hook camera 8 still need select the camera of auto zoom.
In this embodiment, the second hook camera 9 is connected with the structure at the bottom of the cab 5 through an adjustable mounting frame, and the adjustable mounting frame comprises a horizontal rotation part and a pitching adjustment part; the horizontal rotation part drives the second hook camera 9 to rotate along the horizontal direction, and the pitching adjustment part drives the second hook camera 9 to rotate along the vertical direction.
The second hook camera 9 is a gun camera.
As shown in fig. 2, the adjustable mounting frame includes a mounting base 10, a horizontal rotary table 11, a U-shaped frame 12, a pitching rotating shaft 13, a camera fixing base 14, a horizontal rotation driving motor, and a pitching driving motor; the mounting seat 10 is fixedly connected to a frame at the bottom of the cab 5; the horizontal rotary table 11 is rotatably connected with the bottom surface of the mounting seat 10; a cavity is arranged in the horizontal rotary table 11; the horizontal rotation driving motor is fixedly connected in a cavity inside the horizontal rotary table 11, and an output shaft of the horizontal rotation driving motor is fixedly connected with the mounting seat 10; the horizontal rotation driving motor drives the horizontal rotary table 11 to rotate relative to the mounting base 10; the U-shaped frame 12 is fixedly connected to the bottom of the horizontal rotary table 11; a through hole extending along the horizontal direction is formed in the U-shaped frame 12, and the camera fixing seat 14 is fixedly connected to the U-shaped through hole through the pitching rotating shaft 13; the axial direction of the pitching rotating shaft 13 is vertical to the vertical direction; the pitching driving motor is connected with the pitching rotating shaft 13 and is used for driving the camera fixing seat 14 to rotate in a vertical plane relative to the U-shaped frame 12; the second lifting hook camera 9 is fixedly connected with the camera fixing seat 14.
The controller of the horizontal rotation driving motor drives the horizontal rotation driving motor to rotate, the second lifting hook camera 9 and the suspension arm of the tower crane rotate synchronously, and the image capturing area of the second lifting hook camera 9 tracks the positions of the lifting hook 4 and a lifting object thereof in real time.
The controller of the pitching driving motor drives the pitching driving motor to rotate, and the pitching action of the second hoisting camera and the lifting motion of the lifting hook 4 are synchronously adjusted; the image capturing area of the second hook camera 9 tracks the position of the hook 4 and the position of the hoisted object in real time.
In this embodiment, the second lifting hook camera 9 is installed by using an adjustable installation frame, and in the using process, the adjustable installation frame adjusts two actions through horizontal rotation and pitching, so that the lifting hook 4 and the lifting object can be tracked. The picture of the lifting hook 4 and the lifting object can be accurately displayed in the picture.
In the actual use process, the pictures of the first hook camera 8 and the second hook camera 9 are mutually complementary, and images of the hook 4 at different angles can be comprehensively acquired. And under the condition that one camera is in an image dead angle, the image of the other camera can be used as a reference.
The horizontal rotation driving motor and the pitching driving motor are both selected from stepping motors.
The stepping motor selected in the embodiment can accurately adjust the rotation angle displacement of the motor according to a signal sent by the controller, and a control signal sent by the controller is adjusted in real time according to the rotation angle of the crane arm support and the lifting height of the lifting hook 4; therefore, the second lifting hook camera 9 can be ensured to accurately track the lifting hook 4 and the position of the lifting object.
The power supply assembly also comprises a storage battery and a charging and discharging management circuit; the power supply assembly is electrically connected with a power cable connected with the tower crane control part; and the charging and discharging pipeline circuit charges the storage battery in the non-working state of the tower crane.
In this embodiment, in order to prevent the risk of municipal power supply interruption, the multipoint video monitoring apparatus is further provided with a storage battery as a backup power supply, and the storage battery is charged when the apparatus is idle.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multipoint video monitoring device of a tower crane is characterized in that: it includes:
the steel wire rope camera is arranged at a lifting mechanism on a balance arm of the tower crane; the image capturing area of the steel wire rope camera is the area where the steel wire rope in the hoisting mechanism is located;
the arm support camera is arranged on the side surface of the variable amplitude trolley in the tower crane; the image capturing area of the arm support camera is a part of a crane lifting arm support of the tower crane, which is opposite to the side surface of the amplitude variation trolley;
the first lifting hook camera is arranged at the bottom of the amplitude variation trolley; the image capturing area of the first hook camera is a hook area right below the camera;
the second lifting hook camera is arranged on one side, close to the lifting hook, below the cab of the tower crane, and the image capturing area of the second lifting hook camera is the position of the lifting hook and a lifting object of the lifting hook;
the display assembly is arranged in the cab of the tower crane and is over against the position of a driving position of an operator; the display assembly is used for displaying real-time images acquired by the steel wire rope camera, the arm support camera, the first lifting hook camera and the second lifting hook camera;
the data processing and transmission assembly is electrically connected with the steel wire rope camera, the arm support camera, the first lifting hook camera, the second lifting hook camera and the display assembly; the data processing and transmitting component is used for acquiring and decoding image data acquired by the steel wire rope camera, the arm support camera, the first hook camera and the second hook camera and transmitting the image data to the display component for display; and
a power supply component for supplying power to components in the multipoint video monitoring device.
2. The multipoint video monitoring device of the tower crane according to claim 1, characterized in that: the steel wire rope camera, the arm support camera and the first lifting hook camera are fixedly connected with the structural component at the installation position through the installation frame.
3. The multipoint video monitoring device of the tower crane according to claim 2, wherein: the steel wire rope camera, the arm support camera and the first hook camera are all hemispherical wide-angle cameras; the first lifting hook is used for shooting and selecting a camera with high zooming performance, and the first lifting hook camera automatically zooms along with the height of the lifting hook.
4. The multipoint video monitoring device of the tower crane according to claim 1, characterized in that: the second hook camera is connected with a structure at the bottom of the cab through an adjustable mounting frame, and the adjustable mounting frame comprises a horizontal rotating part and a pitching adjusting part; the horizontal rotation part drives the second lifting hook camera to rotate along the horizontal direction, and the pitching adjustment part drives the second lifting hook camera to rotate along the vertical direction.
5. The multipoint video monitoring device of the tower crane according to claim 4, wherein: the second lifting hook camera is a gun type camera.
6. The multipoint video monitoring device of the tower crane according to claim 4, wherein: the adjustable mounting frame comprises a mounting seat, a horizontal rotary table, a U-shaped frame, a pitching rotating shaft, a camera fixing seat, a horizontal rotation driving motor and a pitching driving motor; the mounting seat is fixedly connected to a frame at the bottom of the cab; the horizontal rotary table is rotatably connected with the bottom surface of the mounting seat; a cavity is arranged in the horizontal rotary table; the horizontal rotation driving motor is fixedly connected in a cavity inside the horizontal rotary table, and an output shaft of the horizontal rotation driving motor is fixedly connected with the mounting seat; the horizontal rotary driving motor drives the horizontal rotary table to rotate relative to the mounting base; the U-shaped frame is fixedly connected to the bottom of the horizontal rotary table; a through hole extending along the horizontal direction is formed in the U-shaped frame, and the camera fixing seat is fixedly connected to the U-shaped through hole through the pitching rotating shaft; the axial direction of the pitching rotating shaft is vertical to the vertical direction; the pitching driving motor is connected with the pitching rotating shaft and used for driving the camera fixing seat to rotate in a vertical plane relative to the U-shaped frame; the second lifting hook camera with camera fixing base fixed connection.
7. The multipoint video monitoring device of the tower crane according to claim 6, wherein: and the controller of the horizontal rotation driving motor drives the horizontal rotation driving motor to rotate, so that the second hook camera and the suspension arm of the tower crane synchronously rotate, and the image capturing area of the second hook camera tracks the positions of the hook and a hoisting object thereof in real time.
8. The multipoint video monitoring device of a tower crane according to claim 7, wherein: the controller of the pitching driving motor drives the pitching driving motor to rotate, and the pitching action of the second hoisting camera and the lifting motion of the lifting hook are synchronously adjusted; and the image capturing area of the second lifting hook camera tracks the positions of the lifting hook and the lifting object thereof in real time.
9. The multipoint video monitoring device of a tower crane according to claim 8, wherein: the horizontal rotation driving motor and the pitching driving motor are both selected from stepping motors.
10. The multipoint video monitoring device of the tower crane according to claim 1, characterized in that: the power supply assembly further comprises a storage battery and a charging and discharging management circuit; the power supply assembly is electrically connected with a power cable connected with the tower crane control part; and the charging and discharging pipeline circuit charges the storage battery in the non-working state of the tower crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238758.4U CN214495524U (en) | 2021-01-26 | 2021-01-26 | Multipoint video monitoring device of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120238758.4U CN214495524U (en) | 2021-01-26 | 2021-01-26 | Multipoint video monitoring device of tower crane |
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| Publication Number | Publication Date |
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| CN214495524U true CN214495524U (en) | 2021-10-26 |
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| CN202120238758.4U Active CN214495524U (en) | 2021-01-26 | 2021-01-26 | Multipoint video monitoring device of tower crane |
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2021
- 2021-01-26 CN CN202120238758.4U patent/CN214495524U/en active Active
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