Explosion-proof ship unloader power-on system and explosion-proof ship unloader

Abstract

The invention discloses an explosion-proof ship unloader power-on system and an explosion-proof ship unloader, relates to the technical field of ship unloaders, and aims to solve the problem that an existing ship unloader power-on system is not explosion-proof. The power-on system comprises a track and a cable pulley block which can move in a reciprocating mode and is arranged on the track, wheels of a cable pulley of the cable pulley block are of an explosion-proof structure, and the cable pulley block is arranged on the track. The track is provided with an anti-explosion protective layer, so that no-spark friction occurs when the cable tackle rolls along the track, the cable tackle is provided with an anti-explosion ram used for preventing the two adjacent cable tackles from colliding to generate sparks, so that no sparks are generated in the running process, and the anti-explosion effect can be achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of ship unloaders, and more specifically, to an explosion-proof power supply system for ship unloaders and an explosion-proof ship unloader. Background Art

[0002] A ship unloader is a large-scale loading and unloading device mainly used for loading and unloading ship cargo at ports, docks and other places. Existing ship unloaders with hooks mainly consist of a traveling mechanism, a hoisting mechanism, a slewing mechanism, a boom, a hook, etc.

[0003] Most existing ship unloaders use a central collector for power supply. However, due to the structure of the collector product itself, it cannot meet the explosion-proof requirements. When handling dangerous chemicals at the wharf, it is easy to cause safety problems, and in severe cases, explosions may occur.

[0004] Therefore, how to solve the problem that the existing power supply system of ship unloaders is not explosion-proof is an urgent problem to be solved by those skilled in the art at present. Summary of the Invention

[0005] In view of this, an object of the present invention is to provide an explosion-proof power supply system for ship unloaders, which will not generate sparks during operation and can achieve the explosion-proof effect.

[0006] Another object of the present invention is to provide an explosion-proof ship unloader including the above-mentioned explosion-proof power supply system for ship unloaders, which can achieve explosion-proof and has higher safety.

[0007] In order to achieve the above object, the present invention provides the following technical solutions:

[0008] An explosion-proof power supply system for ship unloaders includes a track and a cable trolley group that can reciprocate on the track. The wheels of the cable trolleys in the cable trolley group are of explosion-proof structure. The track is provided with a protective layer for explosion protection so that when the cable trolley rolls along the track, non-sparking friction occurs. The cable trolley is provided with an explosion-proof bumper for preventing sparks generated by the collision of adjacent two cable trolleys.

[0009] Preferably, a cable is provided on the cable trolley and moves synchronously with the cable trolley. The cable trolley drives the cable to extend and contract, and the cable is an explosion-proof cable.

[0010] Preferably, the track is an arc-shaped track, and the cross-section of the arc-shaped track is an I-shaped track. The end face of the arc-shaped track in contact with the cable trolley is provided with a protective layer, and the end face of the arc-shaped track not in contact with the cable trolley is also provided with a protective layer.

[0011] Preferably, the protective layer includes at least one of a copper layer, an aluminum layer and a stainless steel layer.

[0012] Preferably, a plurality of cable trolleys are sequentially connected in series through a traction rope and a tension belt. On both sides of any cable trolley, there are a first joint for connecting the tension belt and a second joint for connecting the traction rope. Both the first joint and the second joint are explosion-proof joints.

[0013] Preferably, the anti-collision head is an antistatic polyurethane anti-collision head.

[0014] An explosion-proof ship unloader includes the explosion-proof ship unloader power-on system described in any one of the above, and further includes an explosion-proof slewing mechanism. The explosion-proof slewing mechanism includes a large gear ring and a small gear that are meshed and driven, and a protective layer is provided on the meshing surface of the large gear ring.

[0015] Preferably, a flame-retardant sealing cover is sleeved on the outer peripheries of the large gear ring and the small gear.

[0016] Preferably, it further includes a hook mechanism. The hook mechanism includes a hook and a pulley, and protective layers are provided on the hook and the pulley.

[0017] Preferably, it further includes a traveling mechanism for driving the whole machine to travel, and a protective layer is provided on the tread surface of the wheels of the traveling mechanism.

[0018] The explosion-proof ship unloader power-on system provided by the present invention includes a track and a cable trolley group that can reciprocally move on the track. The scheme of powering on through the cable trolley group replaces the existing central collector power-on scheme, which can avoid the problem that the structure of the collector product itself cannot meet the explosion-proof requirements. The wheels of the cable trolleys in the cable trolley group are of explosion-proof structure, and the track is provided with a protective layer for explosion protection, so that when the cable trolley rolls along the track, non-sparking friction occurs, thereby achieving the explosion-proof effect. The cable trolley is provided with an anti-collision head for preventing sparks from being generated by the collision of adjacent two cable trolleys. During the movement of the cable trolley group, by setting the anti-collision head, the impact energy generated by the collision of adjacent two cable trolleys can be effectively absorbed, and the impact of the collision can be greatly reduced to avoid friction sparks and impact sparks, thereby achieving the explosion-proof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0020] Figure 1 It is a schematic structural diagram of the explosion-proof ship unloader power-on system provided by the present invention;

[0021] Figure 2 It is a top view of the explosion-proof ship unloader power-on system provided by the present invention;

[0022] Figure 3 It is a partial enlarged view of the power-on system of the explosion-proof ship unloader provided by the present invention;

[0023] Figure 4 It is a schematic structural diagram of the explosion-proof ship unloader provided by the present invention;

[0024] Figure 5 It is a schematic structural diagram of the slewing mechanism provided by the present invention;

[0025] Figure 6 It is a schematic structural diagram of the flame-retardant sealing cover provided by the present invention;

[0026] Figure 7 It is a top view of the upper cover provided by the present invention;

[0027] Figure 8 It is a partial enlarged view of the upper cover and the lower cover in one embodiment provided by the present invention;

[0028] Figure 9 It is a partial enlarged view of the upper cover and the lower cover in another embodiment provided by the present invention;

[0029] Figure 10 It is a schematic structural diagram of the hook mechanism provided by the present invention.

[0030] Reference numerals:

[0031] 1 - Rail; 2 - Cable trolley, 21 - Anti-collision head; 3 - Cable; 4 - Towing rope; 5 - Tension belt; 6 - Large gear ring; 7 - Small gear; 8 - Flame-retardant sealing cover, 81 - Upper cover, 82 - Lower cover, 83 - Inspection window; 9 - Hook mechanism, 91 - Hook, 92 - Pulley; 10 - Traveling mechanism; 11 - Slewing gantry; 12 - Guide frame. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] In the present invention, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] It should be noted that the orientation terms such as "upper" and "lower" below are defined based on the accompanying drawings of the specification.

[0035] The core of the present invention is to provide an on - power system for an explosion - proof ship unloader, which will not generate sparks during operation and can achieve the explosion - proof effect. Another core of the present invention is to provide an explosion - proof ship unloader including the above - mentioned on - power system for an explosion - proof ship unloader, which can achieve explosion - proof and has higher safety.

[0036] Please refer to Figure 1 、 Figure 2 and Figure 3 , an on - power system for an explosion - proof ship unloader includes a track 1 and a cable trolley group that can reciprocally move on the track 1. The scheme of power - on through the cable trolley group replaces the existing central collector power - on scheme, which can avoid the problem that the structure of the collector product itself cannot meet the explosion - proof requirements. The wheels of the cable trolley 2 of the cable trolley group are of explosion - proof structure, and the track 1 is provided with a protective layer for explosion - proof, so that when the cable trolley 2 rolls along the track 1, non - spark friction occurs, thus achieving the explosion - proof effect. The cable trolley 2 is provided with an explosion - proof bumper 21 for preventing sparks generated by the collision of two adjacent cable trolleys 2. During the movement of the cable trolley group, by setting the explosion - proof bumper 21, the impact energy generated by the collision of two adjacent cable trolleys 2 can be effectively absorbed, greatly reducing the impact of the collision to avoid frictional sparks and impact sparks, thereby achieving the explosion - proof effect.

[0037] The cable trolley group includes a plurality of cable trolleys 2 connected in sequence. The cable trolley 2 at one end of the cable trolley group is a cable tractor, and the cable trolley 2 at the other end of the cable trolley group is a cable fixing vehicle. The cable fixing vehicle is fixed on the track 1, and the cable tractor is pulled by a guide frame 12 on a slewing gantry 11 to drive the cable trolley 2 to move along the track 1, thereby achieving the purpose of power supply for the cable 3.

[0038] For the on - power system for an explosion - proof ship unloader set in the above - mentioned manner, by setting the wheels, the track 1, and the bumper as explosion - proof structures, it is possible to avoid the generation of frictional sparks and impact sparks during the use of the cable trolley 2, achieving the explosion - proof effect.

[0039] In the above embodiments, a cable 3 that moves synchronously with the cable trolley 2 is provided on the cable trolley 2. The cable trolley 2 drives the cable 3 to extend and contract, and the cable 3 is an explosion-proof cable.

[0040] It should be noted that, as a form of conducting electricity for the ship unloader power supply, the cable trolley 2 is composed of running wheels, brackets, and pallets. The flexible cable 3 is fixed on the pallet, and through the movement of the cable trolley 2, the cable 3 between two adjacent cable trolleys 2 is driven to extend and retract. The cable 3 is set as an explosion-proof cable to ensure safe use in an explosive environment.

[0041] Among them, the specific structure of the cable trolley 2 will not be elaborated here, and reference can be made to the prior art.

[0042] Furthermore, the track 1 is an arc-shaped track 1, and the cross-section of the arc-shaped track 1 is an I-shaped track 1. A protective layer is provided on the end face of the arc track 1 that contacts the cable trolley 2, and a protective layer is also provided on the end face of the arc track 1 that does not contact the cable trolley 2.

[0043] In the above situation, the protective layer includes at least one of a copper layer, an aluminum layer, and a stainless steel layer.

[0044] In practical applications, considering the issues of explosion protection and cost, it is preferably to set a copper layer on the contact surface between the wheel and the track 1, and an aluminum layer on the surfaces of the remaining structures of the track 1. The copper layer protective layer has good electrical conductivity and thermal conductivity, which helps to quickly dissipate heat in some application scenarios, reducing the explosion risk caused by high temperature. Therefore, setting a copper layer on the contact surface between the wheel and the track 1 can achieve a good explosion-proof effect; it has strong corrosion resistance and can be used for a long time in a harsh environment; it has excellent mechanical properties, with high strength and toughness, and can withstand a certain impact and pressure; however, the copper layer protective layer has a high cost, a large weight, and a low hardness. The aluminum layer protective layer is lightweight, low-cost, and has good corrosion resistance; however, its strength and hardness are relatively low, and compared with copper, aluminum has poor electrical conductivity, is easy to oxidize, and has good thermal conductivity. Therefore, setting an aluminum layer on the surfaces of the remaining structures of the track 1 can meet the low-cost requirement while also meeting the explosion-proof requirement.

[0045] In one embodiment, the entire track 1 can be set as a copper layer or an aluminum layer, or other protective layers can also be used, and there is no limitation in this regard, as long as the above technical effects can be achieved.

[0046] It should be noted that, based on the usage characteristics in practical applications, a copper layer is set on the surface of the I-shaped arc track 1 that contacts the wheel tread to avoid generating frictional sparks during the walking process of the cable trolley 2, and an aluminum layer is set on the remaining surfaces of the I-shaped arc track 1. With such a design, while achieving the explosion-proof effect, the cost issue is also taken into account.

[0047] In the above embodiments, a plurality of cable trolleys 2 are sequentially connected in series through a towing rope 4 and a tension belt 5. A first joint for connecting the tension belt 5 and a second joint for connecting the towing rope 4 are provided on both sides of any one cable trolley 2, and both the first joint and the second joint are explosion-proof joints.

[0048] It can be understood that by providing explosion-proof joints on the cable trolley 2, the connection between the cable trolley 2 and the towing rope 4 and the tension belt 5 is realized. A towing rope 4 and a tension belt 5 are provided between adjacent two cable trolleys 2 to realize the connection of the cable trolleys 2. In order to avoid frictional sparks between the joints and between the joints and the cable trolley 2, the joints are set as explosion-proof joints to achieve the explosion-proof effect.

[0049] Among them, the length of the tension belt 5 between adjacent two cable trolleys 2 is less than the length of the explosion-proof cable 3.

[0050] On the basis of the above embodiments, the anti-collision head 21 is an antistatic polyurethane anti-collision head.

[0051] It should be noted that by providing anti-collision heads 21 on both sides of the cable trolley 2, it is to effectively absorb the impact energy generated by collisions. The anti-collision head 21 is made of antistatic polyurethane anti-collision head to reduce static electricity accumulation, thereby preventing safety problems caused by static electricity. By reducing the surface resistance of the anti-collision head 21 and providing efficient and lasting antistatic performance, the safety of the working environment can be significantly improved.

[0052] For the power-on system of this explosion-proof ship unloader, an I-shaped arc track 1 is provided on the platform above the cylindrical gantry of the explosion-proof ship unloader. 11 sets of cable trolleys 2 are arranged on the track 1, and 10 sets of tension belts 5 are provided. The 11 sets of cable trolleys 2 are connected in series into a whole through the tension belt 5 and can be expanded and compressed. In addition, the guide frame 12 of the cable trolley 2 can rotate 270 degrees along the center, so as to move the cable trolley 2 and realize the movement of the cable trolley 2 on the I-shaped arc track 1 to achieve mobile power supply. The wheels of the cable trolley 2 are made of copper, the joints of the towing rope 4 and the tension belt 5 are made of stainless steel, a copper layer is provided on the tread surface of the I-shaped arc track 1 in contact with the wheels to avoid generating sparks during the walking process of the cable trolley 2, an aluminum layer is provided on the rest of the surface of the I-shaped arc track 1, and the anti-collision head of the cable trolley 2 is made of antistatic polyurethane anti-collision head, thus avoiding frictional sparks and impact sparks, and achieving the explosion-proof effect.

[0053] The cable pulley group is composed of three forms: a traction vehicle (i.e., the head vehicle: it follows the mobile machinery, i.e., follows the guide frame 12 to rotate and travels along the arc track 1), an intermediate vehicle (i.e., the trailer: it is smoothly pulled and moved by the traction vehicle through the action of the tension belt through the traction rope 4, and buffer bumpers are installed at both ends. The number of intermediate vehicles is determined by the length of the track 1 and the hanging length of the cable 3), and a fixed vehicle (i.e., the tail vehicle: it is fixed at the end of the I-shaped arc track 1 and cannot be moved).

[0054] As a preferred embodiment, the wheels are made of copper, which has good wear resistance and long service life; antistatic polyurethane collision heads are installed on both sides of the cable pulley 2 to effectively absorb impact energy and greatly reduce the impact of the collision. The cable pulley 2 is installed with side pulleys to ensure reliable operation. The side pulleys are made of copper to prevent them from shaking left and right due to the effect of speed; the supporting wheels are installed to prevent them from jumping up and down due to the effect of speed. The tugwheels are made of copper; the side pulleys and supporting wheels are both detachable and easy to maintain. However, in actual applications, the wheels, side pulleys and supporting wheels can all be made of other explosion-proof materials, without limitation, as long as they can achieve the explosion-proof effect.

[0055] Among them, the structural parts and main components of the cable pulley 2 are all provided with an aluminum layer, which has good corrosion resistance and does not generate sparks during operation.

[0056] Please refer to Figure 4 and Figure 5 An explosion-proof ship unloader includes the above-mentioned explosion-proof ship unloader power-on system and an explosion-proof rotating mechanism. The explosion-proof rotating mechanism includes a large gear ring 6 and a small gear 7 for meshing transmission, and a protective layer is provided on the meshing surface of the large gear ring 6.

[0057] It can be understood that the explosion-proof rotating mechanism is realized by the meshing rotation of the pinion 7 around the large ring gear 6 (external teeth). The pinion 7 is installed on the upper structure of the explosion-proof ship unloader (rotating structure), and the large ring gear 6 is installed on the lower structure (non-rotating structure). The rotation of the pinion 7 around the large ring gear 6 drives the entire upper structure to rotate around the lower structure.

[0058] In practical applications, due to the small structure of the pinion 7, the pinion 7 is directly manufactured by stainless steel forgings, and the meshing surface of the slewing support large gear ring 6 is inlaid with stainless steel and then processed to form a special stainless steel protective layer, which not only meets the strength requirements, but also has an explosion-proof effect and can also meet the cost control.

[0059] As a preferred embodiment, a flame retardant sealing cover 8 is provided on the outer periphery of the large ring gear 6 and the small gear 7 .

[0060] It should be noted that by sleeving a flame-retardant seal cover 8 on the outer circumferences of the large gear ring 6 and the small gear 7, the frictional sparks generated during the meshing transmission of the small gear 7 along the external teeth of the large gear ring 6 can be directly isolated within the flame-retardant seal cover 8, without posing a danger to the external hazardous chemical environment, thereby achieving the explosion-proof effect.

[0061] That is to say, in this embodiment, the slewing mechanism adopts a double explosion-proof design to achieve the explosion-proof effect. First, the small gear 7 of the slewing mechanism is made of stainless steel forging material, and the large gear ring 6 is made by forging and inlaying a special stainless steel layer and then processing. By changing the manufacturing materials of the small gear 7 and the large gear ring 6, the first explosion-proof of the slewing mechanism is realized; secondly, the small gear 7 and the large gear ring 6 are sealed with an antistatic polyurethane seal cover with a special sealing design to achieve the second explosion-proof of the slewing mechanism. Through the first explosion-proof design, no frictional sparks will be generated during the meshing transmission of the small gear 7 and the large gear ring 6; even if frictional sparks are generated during the meshing transmission of the small gear 7 and the large gear ring 6, the frictional sparks will be isolated within the seal cover through the second explosion-proof design, thereby achieving the explosion-proof effect. With such a setting, a double guarantee effect is achieved.

[0062] Please refer to Figure 6 and Figure 7 , the flame-retardant seal cover 8 includes an upper cover 81 and a lower cover 82. The upper cover 81 is arranged on the outer circumferences of the small gear 7 and the large gear ring 6, and the upper end of the upper cover 81 is fixed on the upper structure (rotating structure) of the explosion-proof ship unloader and rotates synchronously with the rotating structure. The lower end of the lower cover 82 is fixed on the lower structure (non-rotating structure) and will not rotate. That is to say, the upper cover 81 and the small gear 7 rotate synchronously with the rotating structure, and they are relatively stationary to each other. An inspection window 83 is arranged on the upper cover 81 for easy inspection.

[0063] Among them, the upper cover 81 includes a large seal cover sleeved on the outer circumference of the large gear ring 6 in a circular ring shape, and also includes small seal covers arranged on the outer circumferences of the two small gears 7 in an arc shape. The small seal covers and the large seal cover are of an integral structure, and the two small seal covers are symmetrically arranged on the outer circumference of the large seal cover. Further, the lower end of the large seal cover is open, the lower end of the small seal cover is a closed structure, and the upper end of the lower cover 82 is open.

[0064] Please refer to Figure 8 , in an embodiment, the outer edges of the small seal cover and the large seal cover are connected, the lower cover 82 is nested inside the upper cover 81, and the circumferential projections of the lower cover 82 and the upper cover 81 partially overlap to form a sealing structure, thereby isolating the frictional sparks accidentally generated during the meshing transmission of the small gear 7 and the large gear ring 6 within the cover.

[0065] Please refer to Figure 9, in another embodiment, a baffle is provided at the inner circumferential edge of the large sealing cover. The baffle extends along the axial direction of the sealing cover, and an opening is provided on the baffle. The position of the opening corresponds to the position of the pinion 7, so that the design of the baffle will not affect the meshing transmission of the pinion 7. The baffle is located inside the lower cover 82, and the lower cover 82 is in the gap between the outer edge of the upper cover 81 and the baffle. Such a setting will increase the reliability of isolating frictional sparks.

[0066] Please refer to Figure 10 , further comprising a hook mechanism 9, the hook mechanism 9 includes a hook 91 and a pulley 92, and a protective layer is provided on the hook 91 and the pulley 92.

[0067] It can be understood that the hook mechanism 9 of this design is not used for conventional port cranes and is applicable to special ship unloaders for petrochemical dangerous goods. The rope groove of the pulley 92 and the hanging rope groove of the hook 91 adopt a special stainless steel layer, and an aluminum layer is provided on the remaining surfaces, so as to avoid generating sparks due to friction, rotation and impact during operation, so as to achieve the explosion-proof effect and save costs.

[0068] In the above embodiment, it further includes a traveling mechanism 10 for driving the whole machine to travel, and a stainless steel layer is provided on the tread surface of the wheels of the traveling mechanism 10.

[0069] It should be noted that the tread surface of the wheels of the traveling mechanism 10 is formed with a special stainless steel layer by surfacing stainless steel and then processing.

[0070] Except for the explosion-proof ship unloader disclosed in each of the above embodiments, the structures of other parts of the explosion-proof ship unloader please refer to the prior art and will not be elaborated herein.

[0071] In summary, the power-on system of the explosion-proof ship unloader provided by the present invention is specifically applied to the ship unloader at the dangerous chemical terminal. By setting explosion-proof designs in multiple mechanisms, the explosion-proof effect is achieved, thereby improving the safety during the ship unloading process at the dangerous chemical terminal.

[0072] It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0073] The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0074] The above has introduced in detail an explosion-proof ship unloader power-on system and an explosion-proof ship unloader provided by the present invention. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can still be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. An explosion-proof ship unloader power-on system, characterized in that, It includes a track (1) and a cable pulley set that can reciprocate and is arranged on the track (1). The wheels of the cable pulley (2) of the cable pulley set are explosion-proof structures. The track (1) is provided with a protective layer for explosion protection, so that when the cable pulley (2) rolls along the track (1), non-sparking friction occurs. The cable pulley (2) is provided with an anti-collision head (21) for preventing sparks generated by the collision of two adjacent cable pulleys (2).

2. The power-on system of the explosion-proof ship unloader according to claim 1, characterized in that, A cable (3) that moves synchronously with the cable pulley (2) is arranged on the cable pulley (2). The cable pulley (2) drives the cable (3) to extend and contract, and the cable (3) is an explosion-proof cable.

3. The power-on system of the explosion-proof ship unloader according to claim 1, characterized in that, The track (1) is an arc-shaped track, and the cross-section of the arc-shaped track is an I-shaped track. The protective layer is provided on the end face of the arc track that contacts the cable pulley (2), and the protective layer is also provided on the end face of the arc track that does not contact the cable pulley (2).

4. The explosion-proof ship unloader power-on system according to any one of claims 1-3, characterized in that, The protective layer includes at least one of a copper layer, an aluminum layer, and a stainless steel layer.

5. The power-on system of the explosion-proof ship unloader according to claim 1, wherein A number of the cable pulleys (2) are sequentially connected in series through a traction rope (4) and a tension belt (5). A first joint for connecting the tension belt (5) and a second joint for connecting the traction rope (4) are provided on both sides of any one of the cable pulleys (2). Both the first joint and the second joint are explosion-proof joints.

6. The power-on system of the explosion-proof ship unloader according to claim 5, characterized in that, The anti-collision head (21) is an antistatic polyurethane anti-collision head.

7. An explosion-proof ship unloader, characterized in that, It includes the explosion-proof power supply system of the ship unloader according to any one of claims 1-6, and further includes an explosion-proof slewing mechanism. The explosion-proof slewing mechanism includes a large gear ring (6) and a small gear (7) that are meshed and driven, and the meshing surface of the large gear ring (6) is provided with the protective layer.

8. The explosion-proof ship unloader according to claim 7, characterized in that, A flame-retardant sealing cover (8) is sleeved on the outer circumferences of the large gear ring (6) and the small gear (7).

9. The explosion-proof ship unloader according to claim 7, wherein, It further includes a hook mechanism (9). The hook mechanism (9) includes a hook and a pulley, and the protective layer is provided on the hook and the pulley.

10. The explosion-proof ship unloader according to claim 7, wherein, It further includes a traveling mechanism (10) for driving the whole machine to travel, and the tread surface of the wheels of the traveling mechanism (10) is provided with the protective layer.

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