Human-shaped safety monitoring device for crane

Abstract

The utility model discloses a crane human-shaped safety monitoring device which comprises a lifting hook support and a crane lifting hook, and the crane lifting hook is fixedly arranged at the bottom of the lifting hook support; the monitoring device comprises a lifting hook support, a monitoring camera is arranged on the side wall of the lifting hook support, the monitoring camera and the lifting hook support are connected through a deflection assembly, and the deflection assembly enables the gravity center of the monitoring camera to be always downward through gravity. The monitoring camera fixed on the lifting hook support can be used for shooting and monitoring a blind area at the bottom of the lifting hook, and meanwhile, the deflection assembly and the damping buffer assembly are arranged and are matched for use, so that the situation that a picture shakes violently due to shaking of the lifting hook can be effectively avoided, and the safety of the lifting hook is improved. The deflection assembly enables the center of gravity of the camera to be always downward and keep a relatively stable posture, and the damping buffer assembly can restrain follow-up shaking of the camera body and keep the camera body relatively stable, so that the camera is particularly suitable for monitoring a crane.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of crane safety monitoring equipment, in particular to a crane humanoid safety monitoring device. BACKGROUND

[0002] During the lifting operation of the crane, the operator cannot directly observe whether the hook is accurately hooked, whether the sling state is normal, whether there are personnel or obstacles below, etc. due to the high position of the cab, and there is a clear visual blind area between the hook and the heavy contact area below, which can easily lead to safety accidents.

[0003] In the existing patent document "CN 219708879 A crane humanoid safety monitoring device", a crane humanoid safety monitoring device includes a crane hook, a fixed frame, and a monitoring device arranged on the side of the fixed frame. The monitoring device includes a fixed shell, a microprocessor arranged inside the shell, a main camera, an auxiliary camera, a distance sensor, a sensor probe, a battery, and a signal emitter. The bottom of the hook and the surrounding environment are photographed by the main camera and the auxiliary camera, and the picture data processed by the microprocessor is transmitted to the display terminal in the operating room through the signal emitter, so that the operator can observe the hook position and the surrounding environment in real time, thereby avoiding collision and improving operation safety.

[0004] However, the above monitoring device has the following problems in actual application: the crane hook inevitably swings during lifting, lowering or moving, and the camera in the prior art is usually rigidly fixed on the hook support or fixed frame, lacking an effective anti-shake stabilization mechanism, resulting in severe shaking of the camera with the hook, serious shaking and unclearness of the returned picture, and thus unable to provide clear and reliable visual reference for the operator.

[0005] At the same time, the working environment of the crane is complex, and the camera is easy to collide with the surrounding components in the narrow space, which can easily damage the camera and affect the continuity and reliability of the monitoring.

[0006] That is, the existing technology has the following technical problems: the fixedly installed hook monitoring camera cannot overcome the shaking and collision in the hook operation, resulting in poor stability of the monitoring picture. Therefore, the crane humanoid safety monitoring device is proposed to solve the above problems. Content of the utility model

[0007] In this embodiment, the crane humanoid safety monitoring device is provided to solve the problem that the fixedly installed hook monitoring camera in the prior art cannot overcome the shaking and collision in the hook operation, resulting in poor stability of the monitoring picture.

[0008] According to one aspect of the present application, a crane humanoid safety monitoring device is provided, comprising a hook support and a crane hook, the bottom of the hook support is fixedly provided with a crane hook;

[0009] A monitoring camera is arranged at the side wall of the hook support, and the monitoring camera and the hook support are connected through a deflection assembly. The deflection assembly always makes the gravity center of the monitoring camera downward through gravity.

[0010] The monitoring camera is further provided with a damping buffer assembly, which is composed of a friction sleeve and an arc-shaped friction plate. The friction sleeve and the arc-shaped friction plate are in direct contact and slide and frictionally damp when the monitoring camera deflects.

[0011] Further, a fixed pulley is arranged on the hook support for connection with the crane.

[0012] Further, a deflection assembly is fixedly connected to one side wall of the hook support, and a balance weight is fixedly connected to the other side wall of the hook support, which is used for counterbalancing the damping buffer assembly to avoid the crane hook from tilting to one side during use.

[0013] Further, the deflection assembly is composed of a fixed positioning rod, a rotating sleeve and a counterweight sleeve. The fixed positioning rod is fixedly arranged at the side wall of the hook support. The rotating sleeve is rotatably connected to the fixed positioning rod. One end of the fixed rack is fixedly connected to the arc-shaped wall of the rotating sleeve. The other end of the fixed rack is fixedly connected to a fixed circular shell. The arc-shaped wall of the fixed circular shell is fixedly connected to the counterweight sleeve.

[0014] Further, one end of the fixed positioning rod extends into the inner cavity of the rotating sleeve. The arc-shaped wall of the fixed positioning rod is fixedly connected to the friction sleeve.

[0015] Further, a rectangular fixed seat is fixedly connected to the rotating sleeve. A moving slider is slidably connected in the inner cavity of the rectangular fixed seat. One end of the moving slider is fixedly connected to one end of a spring piece. The other end of the spring piece is fixedly connected to the arc-shaped friction plate.

[0016] Further, an adjusting knob is rotatably connected to one end of the rectangular fixed seat. An adjusting screw is rotatably connected in the inner cavity of the rectangular fixed seat. One end of the adjusting screw is fixedly connected to one end of the adjusting knob. The adjusting screw penetrates through the moving slider and threadedly cooperates with the moving slider.

[0017] Further, the fixed round shell is further provided with a slide deviation assembly, the slide deviation assembly comprises a ball head, a connecting rod and a reset spring, the inside of the fixed round shell is provided with a spherical cavity, the ball head is rotationally connected in the spherical cavity of the fixed round shell, one end of the ball head is fixedly connected with one end of the connecting rod, and the other end of the connecting rod is fixedly connected with the monitoring camera.

[0018] Further, the upper end of the ball head is further fixedly connected with one end of the reset spring, and the other end of the reset spring is fixedly connected with the inner cavity wall of the fixed round shell.

[0019] Through the above-mentioned embodiments of the present application, in order to solve the problem that the bottom of the ordinary crane hook has an observation blind area and is prone to accidental risks in the prior art, the present application designs a monitoring device for the crane hook, the monitoring camera fixed on the hook support can realize the camera monitoring of the blind area at the bottom of the hook, and the deflection assembly and the damping buffer assembly are further arranged, the cooperation of the deflection assembly and the damping buffer assembly can effectively avoid the picture shaking caused by the shaking of the hook, the deflection assembly can keep the gravity center of the camera downward at all times, and the relative stable posture is maintained, and the damping buffer assembly can inhibit the following shaking of the camera body, so that the relative stability is maintained, and the monitoring device is particularly suitable for the use of the crane. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is a whole structure schematic view of one embodiment of the present application;

[0022] Figure 2 It is a side structure schematic view of one embodiment of the present application;

[0023] Figure 3 It is a bottom three-dimensional structure schematic view of one embodiment of the present application;

[0024] Figure 4 It is a connecting structure schematic view of the balance weight block of one embodiment of the present application;

[0025] Figure 5 It is a side structure schematic view of the deflection assembly of one embodiment of the present application;

[0026] Figure 6 It is an internal structure schematic view of the deflection assembly of one embodiment of the present application;

[0027] Figure 7 A partial enlarged structural view of the Figure 6 A partial enlarged structural view of the

[0028] Figure 8 A partial enlarged structural view of the

[0029] In the figure: 1, hook support; 2, crane hook; 3, deflection assembly; 301, fixed positioning rod; 302, rotating sleeve; 303, fixed frame; 304, fixed circular shell; 305, counterweight sleeve; 4, monitoring camera; 5, damping buffer assembly; 501, rectangular fixed seat; 502, moving slider; 503, adjusting screw; 504, adjusting knob; 505, arc-shaped friction plate; 506, spring sheet; 507, friction sleeve; 508, guide rod; 6, sliding deflection assembly; 601, ball head; 602, connecting rod; 603, return spring; 7, fixed pulley; 8, balance counterweight. DETAILED DESCRIPTION

[0030] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person of ordinary skill in the art without creative labor should belong to the scope of protection of the present application.

[0031] Please refer to Figure 1 and Figure 2 The crane humanoid safety monitoring device is shown in the figure, which comprises a hook support 1 and a crane hook 2, and the bottom of the hook support 1 is fixedly provided with the crane hook 2.

[0032] A monitoring camera 4 is arranged at the side wall of the hook support 1, and the monitoring camera 4 is connected with the hook support 1 through a deflection assembly 3. The deflection assembly 3 makes the gravity center of the monitoring camera 4 always downward through gravity.

[0033] The monitoring camera 4 is further provided with a damping buffer assembly 5, which is composed of a friction sleeve 507 and an arc-shaped friction plate 505. The friction sleeve 507 is in direct contact with the arc-shaped friction plate 505, and the sliding friction damping is carried out when the monitoring camera 4 is deflected.

[0034] In order to solve the problem that the ordinary crane hook bottom has an observation blind area and is prone to accidental risks in the prior art, the application designs a monitoring device for a crane hook, which can realize camera monitoring of the blind area at the bottom of the hook through the monitoring camera 4 fixed on the hook support 1, and is also provided with a deflection assembly 3 and a damping buffer assembly 5. Through the cooperation of the deflection assembly 3 and the damping buffer assembly 5, the picture can be effectively prevented from shaking violently due to the shaking of the hook. The deflection assembly 3 can keep the gravity center of the camera always downward and maintain a relatively stable posture. The damping buffer assembly 5 can inhibit the following shaking of the camera body and keep it relatively stable, which is particularly suitable for crane monitoring.

[0035] As a specific technical solution, referring to Figure 1 and Figure 2 , the hook support 1 is also provided with a fixed pulley 7 for connection with the crane.

[0036] As a preferred technical solution, referring to Figure 1 and Figure 2 , the hook support 1 is also provided with a fixed pulley 7 for connection with the crane.

[0037] As a specific technical solution, referring to Figure 2 and Figure 3 , the hook support 1 is also provided with a fixed pulley 7 for connection with the crane.

[0038] As a preferred technical solution, the fixed circular shell 304 is embedded with a mobile power supply inside for power supply to the monitoring camera 4. The monitoring camera 4 is preferably a camera with wireless transmission function, which can transmit picture data to the crane operating platform for observation by the operator.

[0039] As a further technical solution, referring to Figure 5 and Figure 6As shown, one end of the fixed positioning rod 301 extends into the inner cavity of the rotating sleeve 302, and the arc-shaped wall of the fixed positioning rod 301 is fixedly connected with a friction sleeve 507.

[0040] As a specific technical solution, the rotating sleeve 302 is also fixedly connected with a rectangular fixed seat 501, the inner cavity of the rectangular fixed seat 501 is slidably connected with a moving block 502, one end of the moving block 502 is fixedly connected with one end of a spring piece 506, the other end of the spring piece 506 is fixedly connected with an arc-shaped friction plate 505, and through the moving of the moving block 502, the arc-shaped friction plate 505 can be pushed to move, so that the arc-shaped friction plate 505 is in close contact with the friction sleeve 507, and the function of friction damping is realized. Specifically, the arc-shaped friction plate 505 is also fixedly connected with a guide rod 508, and the guide rod 508 penetrates through the moving block 502 and is in sliding fit with the moving block 502.

[0041] As a preferred technical solution, referring to Figure 7 As shown, one end of the fixed positioning rod 301 extends into the inner cavity of the rotating sleeve 302, and the arc-shaped wall of the fixed positioning rod 301 is fixedly connected with a friction sleeve 507.

[0042] Specifically, in order to solve the problem that the monitoring picture is still shaking and blurred during the returning process of the deflection assembly 3 due to inertia, the damping buffer assembly 5 is arranged, which provides resistance to the rotation of the deflection assembly 3 through sliding friction, can effectively inhibit the shaking of the monitoring camera 4 during the returning process, and can make it reset smoothly. Specifically, the deflection assembly 3 ensures that the camera has a "returning" trend, and the damping buffer assembly 5 applies a frictional resistance to the returning process to prevent it from returning too fast or shaking, thereby absorbing the shaking energy, so that the camera can return to the vertical position smoothly and slowly, instead of shaking violently.

[0043] As a preferred technical solution, referring to Figure 8As shown, in order to solve the problem that the camera may collide with the surrounding obstacles in narrow space or unexpected situation, causing the camera damage or the deflection mechanism stuck, the fixing round shell 304 is further provided with a sliding deflection assembly 6, the sliding deflection assembly 6 includes a ball head 601, a connecting rod 602 and a reset spring 603, the inside of the fixing round shell 304 is provided with a spherical cavity, the ball head 601 is rotatably connected in the spherical cavity of the fixing round shell 304, the spherical cavity in the inside of the fixing round shell 304 is used for limiting the ball head 601, so as to keep the stable deflection of the ball head 601, one end of the ball head 601 is fixedly connected with one end of the connecting rod 602, the other end of the connecting rod 602 is fixedly connected with the monitoring camera 4.

[0044] Specifically, there is friction damping between the spherical cavity of the fixing round shell 304 and the ball head 601, through the setting of the friction damping, the slight vibration caused by the spring can be effectively inhibited.

[0045] As a further technical solution, refer to Figure 8 As shown, the upper end of the ball head 601 is further fixedly connected with one end of the reset spring 603, the other end of the reset spring 603 is fixedly connected with the inner cavity wall of the fixing round shell 304, through the technical solution, when the monitoring camera 4 collides with other objects, the monitoring camera 4 can be deflected and inclined after the collision through the setting of the sliding deflection assembly 6, so as to generate a sliding deflection and buffer the impact force, after the end of the collision, the reset spring 603 can be used for resetting.

[0046] The above only describes the preferred embodiments of the present application and is not used to limit the present application, for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Crane humanoid safety monitoring device, including hook support (1) and crane hook (2), the bottom of the hook support (1) is fixedly provided with the crane hook (2); characterized in that The side wall of the hook support (1) is provided with a monitoring camera (4), and the monitoring camera (4) and the hook support (1) are connected through a deflection assembly (3). The deflection assembly (3) always makes the gravity center of the monitoring camera (4) downward through gravity. The monitoring camera (4) is also provided with a damping buffer assembly (5), which is composed of a friction sleeve (507) and an arc friction plate (505). The friction sleeve (507) is in direct contact with the arc friction plate (505) and slides and rubs when the monitoring camera (4) deflects.

2. Crane humanoid safety monitoring device according to claim 1, characterized in that: The hook support (1) is also provided with a fixed pulley (7) for connecting with the crane.

3. Crane humanoid safety monitoring device according to claim 1, characterized in that: One side of the hook support (1) is fixedly connected with a deflection assembly (3), and the other side of the hook support (1) is fixedly connected with a balance counterweight (8). The balance counterweight (8) is used for counterbalance with the damping buffer assembly (5).

4. Crane humanoid safety monitoring device according to claim 1, characterized in that: The deflection assembly (3) is composed of a fixed positioning rod (301), a rotating sleeve (302) and a counterweight sleeve (305). The fixed positioning rod (301) is fixedly arranged at the side wall of the hook support (1). The fixed positioning rod (301) is rotatably connected with the rotating sleeve (302). One end of the fixed positioning rod (301) extends into the inner cavity of the rotating sleeve (302). The arc wall of the rotating sleeve (302) is fixedly connected with one end of the fixed frame (303). The other end of the fixed frame (303) is fixedly connected with the fixed circular shell (304). The arc wall of the fixed circular shell (304) is fixedly connected with the counterweight sleeve (305).

5. Crane humanoid safety monitoring device according to claim 4, characterized in that: The other end of the spring sheet (506) is fixedly connected with the arc friction plate (505).

6. Crane humanoid safety monitoring device according to claim 4, characterized in that: One end of the rectangular fixed seat (501) is also rotatably connected with an adjusting knob (504). The inner cavity of the rectangular fixed seat (501) is rotatably connected with an adjusting screw (503). One end of the adjusting screw (503) is fixedly connected with one end of the adjusting knob (504). The adjusting screw (503) penetrates the moving block (502) and is in threaded connection with the moving block (502).

7. Crane humanoid safety monitoring device according to claim 6, characterized in that The fixed circular shell (304) is also provided with a sliding deflection assembly (6). The sliding deflection assembly (6) includes a ball head (601), a connecting rod (602) and a return spring (603). The fixed circular shell (304) is provided with a spherical cavity. The ball head (601) is rotatably connected in the spherical cavity of the fixed circular shell (304).

8. Crane humanoid safety monitoring device according to claim 4, characterized in that: ​ 9. Crane humanoid safety monitoring device according to claim 8, characterized in that One end of the ball head (601) is fixedly connected with one end of a connecting rod (602), and the other end of the connecting rod (602) is fixedly connected with the monitoring camera (4).

10. Crane humanoid safety monitoring device according to claim 9, characterized in that The upper end of the ball head (601) is also fixedly connected with one end of a reset spring (603), and the other end of the reset spring (603) is fixedly connected with the inner cavity wall of the fixed circular shell (304).

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