Crane safety operation monitoring device

Abstract

The utility model relates to a crane safety operation monitoring device, and belongs to the technical field of crane operation safety assistance. Comprising a vertical fixing plate and a hidden storage cover, a top plate is arranged at the top of the hidden storage cover, an opening is formed in the bottom of the hidden storage cover, a lifting sliding seat capable of sliding in the length direction of the hidden storage cover is arranged in the hidden storage cover, and a lifting rod is installed on the lifting sliding seat and can stretch out of the hidden storage cover at least partially. Or the camera mechanism is completely hidden in the hidden storage cover, and a driving mechanism for driving the lifting sliding seat to lift along the length direction of the hidden storage cover is mounted on the horizontal fixing plate. Compared with the prior art, the utility model has the following beneficial effects: by arranging the driving mechanism, the camera shooting mechanism can be retracted into the hidden storage cover when the suspension arm is not used, so that the purpose of protecting the camera shooting mechanism can be achieved, and when the suspension arm is used, the camera shooting mechanism can extend out of the storage cover, so that a lifting hook can be conveniently observed, and the state of a lifted object can be monitored in real time; and the safety and efficiency of crane operation are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of crane safe operation monitoring devices, belong to crane operation safety auxiliary technical field. BACKGROUND

[0002] Crane is the common name of "hoist", belongs to hoist machinery, mainly for vertical lifting and horizontal transport heavy objects, for example, the utility model with patent No.202321299305.8, a curved surface steel structure net shell lifting device, including crane car body, telescopic arm, rope, pulley cover, concave plate, connector, double-hook lifting hook, positioning clamping assembly, baffle, plug rod, plug, screw hole and bolt B, telescopic arm is installed on crane car body, one end of rope is set on the left side of telescopic arm, the other end of rope is set in pulley cover, pulley cover is placed vertically naturally, then two concave plates are set at the bottom of the front and rear sides of pulley cover respectively, and connector is statically fixedly installed in the inner cavity of concave plate by pin shaft;Double-hook lifting hook is installed at the bottom of connector.

[0003] Again, for example, the utility model with patent No.202223042952.9, a kind of mobile crane with suspension end monitoring assembly, belongs to mobile crane technical field, including loading vehicle, the loading vehicle is installed with lifting arm, the surface of the lifting arm is fixed with fixed seat, the inner cavity of the fixed seat is movably connected with connecting rod by movable shaft, the utility model is fixed seat by installing on lifting arm, then the inner cavity of fixed seat is movably connected with cylindrical box by movable shaft and connecting rod, cylindrical box is always kept vertical downward state with wire rope connected with lifting hook under the influence of gravity.

[0004] The above-mentioned patent has the function of lifting heavy objects, but the current technology is not comprehensive, and has the following disadvantages: the camera for observing the lifting hook is generally installed at the end of the lifting arm of the crane, the shooting end is generally exposed to the air for a long time, the flying dust for a long time may cause the situation that the shooting end is blocked by dust, and the camera exposed to the air for a long time may be damaged.

[0005] To solve one of the above problems, a crane safe operation monitoring device is urgently needed. UTILITY MODEL CONTENTS

[0006] According to the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to realize the retraction of the camera mechanism into the hidden storage cover in the non-use state of the lifting arm, so as to achieve the purpose of protecting the camera mechanism, and provide a kind of crane safe operation monitoring device.

[0007] The crane safety operation monitoring device disclosed by the utility model is characterized in that: it comprises a vertical fixing plate and a hidden storage cover, a top plate is arranged at the top of the hidden storage cover, an opening is arranged at the bottom, a horizontal fixing plate is vertically installed on the vertical fixing plate, a fixing bolt on the top plate of the hidden storage cover penetrates through the horizontal fixing plate and is connected with a fixing nut, the hidden storage cover is fixed to the lower surface of the horizontal fixing plate, a lifting slide seat capable of sliding along the length direction of the hidden storage cover is arranged in the hidden storage cover, a camera mechanism capable of being at least partially extended out of the hidden storage cover or completely hidden in the hidden storage cover is installed on the lifting slide seat, and a driving mechanism for driving the lifting slide seat to lift along the length direction of the hidden storage cover is installed on the horizontal fixing plate.

[0008] The vertical fixing plate is installed at the end of the crane jib through bolts and is used for observing the lifting hook.

[0009] The application can retract the camera mechanism into the hidden storage cover in the non-use state of the jib arm, so that the purpose of protecting the camera mechanism is achieved, the camera mechanism can be extended out of the storage cover in the use state of the jib arm, the lifting hook can be observed, the state of the hoisted goods can be monitored in real time, and the safety and efficiency of the crane operation are ensured.

[0010] Preferably, the driving mechanism comprises a servo motor installed on the horizontal fixing plate, a power output shaft of the servo motor penetrates through the horizontal fixing plate and is in transmission connection with a driving lead screw, the other end of the driving lead screw is in rotation connection with a screw rod rotation support seat, the screw rod rotation support seat is installed on the vertical fixing plate, a screw rod nut is threadedly connected to the driving lead screw, and the screw rod nut is connected with the lifting slide seat through a strip-shaped connecting plate and is provided with an avoiding long slot for the strip-shaped connecting plate to penetrate along the length direction of the hidden storage cover.

[0011] Preferably, a camera outer protective cover is detachably installed on the horizontal fixing plate. The camera mechanism can be further protected.

[0012] Preferably, a warning component is installed on the camera outer protective cover and is used for providing collision warning. The collision warning effect is achieved, so that the risk of collision between the camera mechanism and obstacles can be reduced, and the camera mechanism can be prevented from being damaged due to impact.

[0013] Preferably, the camera outer protective cover comprises an arc-shaped plate, an upper end of the arc-shaped plate is integrally formed with a connecting plate, the connecting plate is fixedly installed on the horizontal fixed plate through a fixing bolt and a fixing nut, the other end of the arc-shaped plate is integrally formed with a vertical connecting plate, and the other end of the vertical connecting plate is provided with an arc-shaped bending. The simple structure, the design of the connecting plate, the arc-shaped plate and the vertical connecting plate increases the impact surface for bearing unexpected impact that cannot be avoided, and avoids that the obstacle directly impacts the camera mechanism.

[0014] Preferably, the early warning assembly comprises a distance measuring sensor, an audible and light alarm and a PLC controller, the number of the distance measuring sensors is two, and the distance measuring sensors are installed on the connecting plate and the vertical connecting plate respectively, the output end of the distance measuring sensor is electrically connected with the signal input end of the PLC controller, the signal output end of the PLC controller is electrically connected with the input end of the audible and light alarm, and the audible and light alarm and the PLC controller are installed on the connecting plate.

[0015] When the distance measuring sensor senses that the obstacle is close, the signal is transmitted to the PLC controller, the PLC controller controls the audible and light alarm to issue audible and light alarm to remind the operator to avoid.

[0016] Preferably, a cross rod embedded in the arc-shaped bending is further arranged, two ends of the cross rod are respectively connected with a reinforcing support perpendicularly, and the two sides of the hidden storage cover are respectively provided with an impact sensing module connected with the reinforcing support.

[0017] Preferably, the impact sensing module comprises a sliding rod, two ends of the sliding rod are respectively provided with a front support and a rear support, the front support and the rear support are fixed on the outer wall of the hidden storage cover, a sliding block is slidably arranged on the sliding rod, a hinge seat hinged with the reinforcing support is arranged on the sliding block, an induction protrusion is arranged on the upper portion of the sliding block, a proximity sensor that is inductively matched with the induction protrusion is arranged on the outer wall of the hidden storage cover, a compression spring is arranged on the sliding rod between the front support and the sliding block, and the proximity sensor is electrically connected with the signal input end of the PLC controller.

[0018] In the initial state, the slider is in the middle position of the slide rod and does not compress the compression spring, when the vertical connecting plate is impacted, the arc-shaped plate is deformed, the vertical connecting plate cooperates with the cross rod, the strengthening support pushes the slider on the slide rod to move, and then the compression spring is compressed, at this time, the proximity sensor cannot sense the sensing protrusion, the proximity sensor transmits a signal to the PLC controller, the PLC controller controls the servo motor to work, and the camera mechanism is hidden in the hiding storage cover to avoid, and the automatic avoidance of the camera mechanism is realized. When the impact on the vertical connecting plate is removed, the arc-shaped plate is reset, and the slider is also reset under the pushing of the compression spring, at this time, the proximity sensor can sense the sensing protrusion, the proximity sensor transmits a signal to the PLC controller, the PLC controller controls the servo motor to work, and the camera mechanism is pushed out from the hiding storage cover, and the automatic avoidance of the camera mechanism is realized. In addition, the servo motor can also be remotely controlled to manually remove the avoidance action of the camera mechanism.

[0019] Preferably, the lifting slide slides along the inner wall of the hiding storage cover, and the sections of the lifting slide and the hiding storage cover are rectangular or circular. The connecting plate, the horizontal fixed plate and the top plate of the hiding storage cover are provided with wire holes for the camera cable to pass through.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The crane safety operation monitoring device disclosed by the utility model, by setting the driving mechanism, the camera mechanism can be retracted into the hiding storage cover in the non-use state of the lifting arm, so that the purpose of protecting the camera mechanism can be achieved, and the camera mechanism can be extended from the storage cover in the use state of the lifting arm, the lifting hook can be observed, the state of the hoisted article can be monitored in real time, and the safety and efficiency of the crane operation are ensured.

[0022] The crane safety operation monitoring device disclosed by the utility model, the design of the connecting plate, the arc-shaped plate and the vertical connecting plate increases the impact surface for bearing unexpected impact that cannot be avoided, and avoids that the obstacle directly impacts the camera mechanism.

[0023] The crane safety operation monitoring device disclosed by the utility model, when the vertical connecting plate is impacted, the arc-shaped plate is deformed, the proximity sensor transmits a signal to the PLC controller, the PLC controller controls the servo motor to work, and the camera mechanism is hidden in the hiding storage cover to avoid, and the automatic avoidance of the camera mechanism is realized. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0025] Figure 1 Structure diagram of the utility model Figure 1 ;

[0026] Figure 2 Internal view of the hidden storage cover

[0027] Figure 3 Structure diagram of the utility model Figure 1 ;

[0028] Figure 4 Structure diagram of the impact sensing module

[0029] Figure 5 Structure diagram of the middle horizontal rod Figure 4 .

[0030] In the drawings: 1, camera mechanism 2, lifting slide 3, hidden storage cover 4, fixing bolt 5, fixing nut 6, horizontal fixing plate 7, vertical fixing plate 8, servo motor 9, driving lead screw 10, screw rod rotating support seat 11, screw rod nut 12, strip-shaped connecting plate 13, avoiding long hole 14, arc-shaped plate 15, connecting plate 16, vertical connecting plate 17, reinforcing support 18, arc-shaped bending 19, distance measuring sensor 20, sound and light alarm 21, PLC controller 22, horizontal rod 23, slide rod 24, front support 25, rear support 26, sliding block 27, hinged seat 28, sensing protrusion 29, proximity sensor 30, compression spring. EMBODIMENT

[0031] The utility model will be further described below in combination with the drawings: the following will be further described by specific embodiments, but not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the utility model.

[0032] Embodiment 1, as Figures 1-2As shown, the crane safety operation monitoring device comprises a vertical fixing plate 7 and a hidden storage cover 3, the top of the hidden storage cover 3 is provided with a top plate, the bottom is provided with an opening, the vertical fixing plate 7 is vertically provided with a horizontal fixing plate 6, the fixing bolt 4 on the top plate of the hidden storage cover 3 penetrates through the horizontal fixing plate 6 and is connected with the fixing nut 5, thereby fixing the hidden storage cover 3 to the lower surface of the horizontal fixing plate 6, the hidden storage cover 3 is provided with a lifting slide 2 which can slide along the length direction of the hidden storage cover 3, the lifting slide 2 is provided with a camera mechanism 1 which can be at least partially extended out of the hidden storage cover 3 or completely hidden in the hidden storage cover 3, and the horizontal fixing plate 6 is provided with a driving mechanism which drives the lifting slide 2 to lift along the length direction of the hidden storage cover 3.

[0033] The vertical fixing plate 7 is bolted to the end of the crane arm and is used for observing the hook.

[0034] The driving mechanism is arranged, the camera mechanism 1 can be retracted into the hidden storage cover 3 when the arm is not in use, thereby achieving the purpose of protecting the camera mechanism 1, and the camera mechanism 1 can be extended out of the hidden storage cover 3 when the arm is in use, thereby facilitating the observation of the hook, real-time monitoring of the state of the hoisted goods and ensuring the safety and efficiency of the crane operation.

[0035] Embodiment 2, as shown in the drawing, Figures 1-2 As shown, the crane safety operation monitoring device comprises a vertical fixing plate 7 and a hidden storage cover 3, the top of the hidden storage cover 3 is provided with a top plate, the bottom is provided with an opening, the vertical fixing plate 7 is vertically provided with a horizontal fixing plate 6, the fixing bolt 4 on the top plate of the hidden storage cover 3 penetrates through the horizontal fixing plate 6 and is connected with the fixing nut 5, thereby fixing the hidden storage cover 3 to the lower surface of the horizontal fixing plate 6, the hidden storage cover 3 is provided with a lifting slide 2 which can slide along the length direction of the hidden storage cover 3, the lifting slide 2 is provided with a camera mechanism 1 which can be at least partially extended out of the hidden storage cover 3 or completely hidden in the hidden storage cover 3, and the horizontal fixing plate 6 is provided with a driving mechanism which drives the lifting slide 2 to lift along the length direction of the hidden storage cover 3.

[0036] Furthermore, the drive mechanism includes a servo motor 8 mounted on a horizontal fixed plate 6. The power output shaft of the servo motor 8 passes through the horizontal fixed plate 6 and is connected to the drive screw 9. The other end of the drive screw 9 is rotatably connected to the screw rotation support 10. The screw rotation support 10 is mounted on a vertical fixed plate 7. A screw nut 11 is threaded onto the drive screw 9. The screw nut 11 is connected to the lifting slide 2 through a strip connecting plate 12. An elongated hole 13 for the strip connecting plate 12 to pass through is provided along the length of the hidden storage cover 3. The servo motor 8 drives the lead screw 9 to rotate forward. The lead screw 9 cooperates with the lead screw nut 11. The lead screw nut 11 drives the lifting slide 2 to move upward along the inner wall of the hidden storage cover 3 through the strip connecting plate 12. The lifting slide 2 carries the camera mechanism 1 and is hidden in the hidden storage cover 3. The servo motor 8 drives the lead screw 9 to rotate in reverse. The lead screw 9 cooperates with the lead screw nut 11. The lead screw nut 11 drives the lifting slide 2 to move downward along the inner wall of the hidden storage cover 3 through the strip connecting plate 12. The lifting slide 2 carries the camera mechanism 1 and extends out of the hidden storage cover 3.

[0037] Furthermore, a camera outer cover is detachably mounted on the horizontal fixing plate 6, which provides further protection for the camera assembly 1.

[0038] Furthermore, the camera outer cover includes an arc-shaped plate 14, with a connecting plate 15 integrally formed at the upper end of the arc-shaped plate 14. The connecting plate 15 is fixedly mounted on a horizontal fixed plate 6 by fixing bolts 4 and fixing nuts 5. A vertical connecting plate 16 is integrally formed at the other end of the arc-shaped plate 14, and the other end of the vertical connecting plate 16 has an arc-shaped bend 18. The structure is simple. The design of the connecting plate 15, the arc-shaped plate 14, and the vertical connecting plate 16 increases the impact surface, which is used to withstand unavoidable accidental impacts and prevent obstacles from directly impacting the camera mechanism 1.

[0039] Example 3, as Figures 3-4 As shown, the crane safety operation monitoring device includes a vertical fixing plate 7 and a concealed storage cover 3. The concealed storage cover 3 has a top plate at the top and an opening at the bottom. A horizontal fixing plate 6 is vertically installed on the vertical fixing plate 7. A fixing bolt 4 on the top plate of the concealed storage cover 3 passes through the horizontal fixing plate 6 and is connected to a fixing nut 5 to fix the concealed storage cover 3 to the lower surface of the horizontal fixing plate 6. A lifting slide 2 that can slide along the length of the concealed storage cover 3 is provided inside the concealed storage cover 3. A camera mechanism 1 that can extend at least partially out of the concealed storage cover 3 or be completely hidden inside the concealed storage cover 3 is installed on the lifting slide 2. A drive mechanism that drives the lifting slide 2 to move up and down along the length of the concealed storage cover 3 is installed on the horizontal fixing plate 6.

[0040] Further, the driving mechanism comprises a servo motor 8 mounted on the horizontal fixed plate 6, a power output shaft of the servo motor 8 penetrates through the horizontal fixed plate 6 and is in transmission connection with a driving lead screw 9, the other end of the driving lead screw 9 is in rotation connection with a screw rod rotation support base 10, the screw rod rotation support base 10 is mounted on the vertical fixed plate 7, a screw rod nut 11 is threadedly connected on the driving lead screw 9, the screw rod nut 11 is connected with the lifting slide 2 through a strip-shaped connecting plate 12, and an avoiding long strip hole 13 is formed in the length direction of the hidden storage cover 3 and penetrates through the strip-shaped connecting plate 12. The servo motor 8 drives the driving lead screw 9 to rotate forward, the driving lead screw 9 cooperates with the screw rod nut 11, the screw rod nut 11 drives the lifting slide 2 to move upward along the inner wall of the hidden storage cover 3 through the strip-shaped connecting plate 12, and the lifting slide 2 carries the camera mechanism 1 to hide into the hidden storage cover 3; the servo motor 8 drives the driving lead screw 9 to rotate reversely, the driving lead screw 9 cooperates with the screw rod nut 11, the screw rod nut 11 drives the lifting slide 2 to move downward along the inner wall of the hidden storage cover 3 through the strip-shaped connecting plate 12, and the lifting slide 2 carries the camera mechanism 1 to extend out of the hidden storage cover 3.

[0041] Further, a camera outer cover is detachably mounted on the horizontal fixed plate 6. The camera mechanism 1 can be further protected.

[0042] Further, a warning assembly is mounted on the camera outer cover, and the warning assembly is used for providing collision warning. The collision warning effect can be achieved, so that the risk of collision between the camera mechanism 1 and the obstacle can be reduced, and the camera mechanism 1 can be prevented from being damaged due to impact.

[0043] Further, the camera outer cover comprises an arc-shaped plate 14, an upper end of the arc-shaped plate 14 is integrally formed with a connecting plate 15, the connecting plate 15 is fixedly mounted on the horizontal fixed plate 6 through the fixing bolt 4 and the fixing nut 5, the other end of the arc-shaped plate 14 is integrally formed with a vertical connecting plate 16, and the other end of the vertical connecting plate 16 is provided with an arc-shaped bending 18. The connecting plate 15, the arc-shaped plate 14 and the vertical connecting plate 16 are designed, the impact surface is increased, unexpected impact that cannot be avoided is borne, and the obstacle can be prevented from directly impacting the camera mechanism 1.

[0044] Further, the warning assembly comprises a distance measuring sensor 19, an audible and visual alarm 20 and a PLC controller 21, the distance measuring sensor 19 is provided in two numbers and is mounted on the connecting plate 15 and the vertical connecting plate 16 respectively, an output end of the distance measuring sensor 19 is electrically connected with a signal input end of the PLC controller 21, a signal output end of the PLC controller 21 is electrically connected with an input end of the audible and visual alarm 20, and the audible and visual alarm 20 and the PLC controller 21 are both mounted on the connecting plate 15.

[0045] When the ranging sensor 19 senses that the obstacle is close, a signal is transmitted to the PLC controller 21, which controls the audible and visual alarm 20 to issue an audible and visual alarm to remind the operator to avoid.

[0046] Further, with reference to Figure 5 It also includes a crossbar 22 embedded in the arc-shaped bending 18, both ends of the crossbar 22 are respectively connected with a reinforcing support 17, both sides of the hidden storage cover 3 are respectively provided with an impact sensing module connected with the reinforcing support 17.

[0047] Further, the impact sensing module includes a slide rod 23, both ends of the slide rod 23 are respectively provided with a front bracket 24 and a rear bracket 25, both the front bracket 24 and the rear bracket 25 are fixed on the outer wall of the hidden storage cover 3, a sliding block 26 is slidingly arranged on the slide rod 23, a hinge seat 27 hinged with the reinforcing support 17 is arranged on the sliding block 26, a sensing protrusion 28 is arranged on the upper part of the sliding block 26, a proximity sensor 29 sensing matched with the sensing protrusion 28 is arranged on the outer wall of the hidden storage cover 3, a compression spring 30 is arranged on the slide rod 23 between the front bracket 24 and the sliding block 26, and the proximity sensor 29 is electrically connected with the signal input end of the PLC controller 21.

[0048] In the initial state, the sliding block 26 is in the middle position of the slide rod 23 and does not compress the compression spring 30, when the vertical connecting plate 16 is impacted, the arc-shaped plate 14 is deformed, the vertical connecting plate 16 cooperates with the crossbar 22 and the reinforcing support 17 to push the sliding block 26 on the slide rod 23 to move, thereby compressing the compression spring 30, at this time the proximity sensor 29 cannot sense the sensing protrusion 28, the proximity sensor 29 transmits a signal to the PLC controller 21, the PLC controller 21 controls the servo motor 8 to work, and the camera mechanism 1 is withdrawn into the hidden storage cover 3 to avoid, realizing the automatic avoidance of the camera mechanism 1. When the impact on the vertical connecting plate 16 is removed, the arc-shaped plate 14 resets, and at the same time the sliding block 26 also resets under the pushing of the compression spring 30, at this time the proximity sensor 29 can sense the sensing protrusion 28, the proximity sensor 29 transmits a signal to the PLC controller 21, the PLC controller 21 controls the servo motor 8 to work, and the camera mechanism 1 is pushed out of the hidden storage cover 3, realizing the automatic avoidance of the camera mechanism 1. In addition, the servo motor 8 can also be operated by remote control to manually remove the avoidance action of the camera mechanism 1.

[0049] The embodiment is improved in the hardware part, and the computer program is a simple program, and the functions of the ranging sensor 19, the proximity sensor 29, the sound-light alarm and the PLC controller 21 can be realized by using the existing computer program development platform and the familiar programming method.

[0050] Further, the lifting slide 2 slides along the inner wall of the hidden storage cover 3, and the sections of the two are rectangular or circular.

[0051] Further, the connecting plate 15, the horizontal fixing plate 6 and the top plate of the hidden storage cover 3 are provided with wire holes for the camera cable to pass through.

[0052] The crane safety operation monitoring device, by setting the driving mechanism, the camera mechanism can be retracted into the hidden storage cover in the non-use state of the lifting arm, so as to achieve the purpose of protecting the camera mechanism, in the use state of the lifting arm, the camera mechanism can be extended from the storage cover, the lifting hook can be observed, the state of the hoisted goods can be monitored in real time, and the safety and efficiency of the crane operation are ensured.

[0053] The crane safety operation monitoring device, the design of the connecting plate, the arc-shaped plate and the vertical connecting plate increases the impact surface, and is used for bearing unexpected impact which cannot be avoided, so as to avoid that the obstacle directly impacts the camera mechanism.

[0054] The crane safety operation monitoring device, when the vertical connecting plate is impacted, the arc-shaped plate is deformed, the proximity sensor transmits a signal to the PLC controller, the PLC controller controls the servo motor to work, the camera mechanism is retracted into the hidden storage cover to avoid, and the automatic avoidance of the camera mechanism is realized.

[0055] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the industry that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification only illustrate the principle of the application, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

[0056] The parts not described in the application are well-known to those skilled in the art.

Claims

1. A crane safety operation monitoring device, characterized by: The utility model provides a vertical fixed plate and hidden storage cover, the top of hidden storage cover sets up the top plate, the bottom sets up the opening, vertical fixed plate installs the horizontal fixed plate vertically, the fixed bolt on the top plate of hidden storage cover penetrates horizontal fixed plate and is connected with fixed nut, and hidden storage cover is fixed on the lower surface of horizontal fixed plate, the lifting slide of hidden storage cover is arranged in the inside of hidden storage cover and can slide along the length direction of hidden storage cover, camera mechanism is installed on the lifting slide and can be hidden in the inside of hidden storage cover or can be extended outside hidden storage cover at least partially, driving mechanism is installed on the horizontal fixed plate and drives lifting slide to lift along the length direction of hidden storage cover.

2. The crane safety operation monitoring device according to claim 1, characterized in that, The driving mechanism includes a servo motor mounted on the horizontal fixed plate, a power output shaft of the servo motor penetrates the horizontal fixed plate and is in transmission connection with a drive lead screw, the other end of the drive lead screw is in rotation connection with a screw rod rotation support, the screw rod rotation support is mounted on the vertical fixed plate, a screw rod nut is threadedly connected to the drive lead screw, the screw rod nut is connected with the lifting slide through a strip-shaped connecting plate, and an avoiding long hole is formed in the length direction of the hidden storage cover for the strip-shaped connecting plate to penetrate.

3. The crane safety operation monitoring device according to claim 2, characterized in that, The horizontal fixed plate is detachably mounted with a camera outer cover.

4. The crane safety operation monitoring device according to claim 3, wherein The camera outer cover is provided with a warning component for providing collision warning.

5. The crane safety operation monitoring device according to claim 4, wherein The camera outer cover includes an arc-shaped plate, an upper end of the arc-shaped plate is integrally formed with a connecting plate, the connecting plate is fixedly installed on the horizontal fixed plate through a fixed bolt and a fixed nut, the other end of the arc-shaped plate is integrally formed with a vertical connecting plate, and the other end of the vertical connecting plate is provided with an arc-shaped bending.

6. The crane safety operation monitoring device according to claim 5, wherein The warning component includes a distance measuring sensor, an audible and visual alarm, and a PLC controller, the distance measuring sensor has two, which are installed on the connecting plate and the vertical connecting plate respectively, the output end of the distance measuring sensor is electrically connected with the signal input end of the PLC controller, the signal output end of the PLC controller is electrically connected with the input end of the audible and visual alarm, and the audible and visual alarm and the PLC controller are both installed on the connecting plate.

7. The crane safety operation monitoring device according to claim 6, wherein A cross rod is embedded in the arc-shaped bending, two ends of the cross rod are respectively connected with a reinforcing support perpendicularly, and one impact sensing module is arranged on each side of the hidden storage cover and connected with the reinforcing support.

8. The crane safety operation monitoring device according to claim 7, characterized in that, The impact sensing module includes a slide rod, the slide rod is provided with a front support and a rear support at two ends respectively, the front support and the rear support are fixed on the outer wall of the hidden storage cover, a sliding block is slidably arranged on the slide rod, the sliding block is provided with a hinged seat hinged with the reinforcing support, the upper part of the sliding block is provided with a sensing protrusion, a proximity sensor is arranged on the outer wall of the hidden storage cover and in sensing cooperation with the sensing protrusion, a compression spring is arranged on the slide rod between the front support and the sliding block, and the proximity sensor is electrically connected with the signal input end of the PLC controller.

Images