Safety protection device of ship unloader
By installing a dual-shaft motor-driven threaded rod and threaded sleeve lower guardrail on the ship unloader, combined with an anti-climb structure, the problem of the lack of safety protection for the ship unloader was solved, and a safe working environment was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-20
AI Technical Summary
The existing ship unloaders lack safety protection devices, which makes it impossible for pedestrians and vehicles to avoid approaching or passing under the ship unloader frame, posing a safety hazard.
Design a safety protection device for a ship unloader. Use a dual-shaft motor to drive a threaded rod and a threaded sleeve to move the fence down to the ground, blocking pedestrians and vehicles from approaching or passing through. Equipped with an anti-climbing structure to prevent climbing, and using an electric push rod and a pointed rod to deter climbing behavior.
This effectively prevented safety accidents, ensured the safety of pedestrians and vehicles, and improved the safety of ship unloading operations.
Smart Images

Figure CN224015167U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a ship unloader technical field, concretely is a ship unloader safety device. BACKGROUND
[0002] The ship unloader is the machine head that utilizes continuous conveying machinery to make can promote the granular material, or have self -helping ability, or with taking material, feeding device, granular material is continuously taken out the ship cabin, then unloading is to the arm support or frame and can be transported to the place conveyor system of the shore main conveying of ship unloader, goes the special purpose machinery of the ship unloader. Using ship unloader can greatly improve the unloading efficiency, the smallest dust pollution can keep the environment clean, high -efficient environmental protection. With the technical progress of ship unloader, unmanned ship unloader also invests in emerging.
[0003] The ship unloader in prior art lacks safety device, when working, cannot avoid the pedestrian and vehicle to approach the ship unloader or pass under the frame of ship unloader, can bring certain safety hazard to the pedestrian and vehicle.
[0004] Therefore, the utility model provides a ship unloader safety device to solve the above -mentioned problems. UTILITY MODEL CONTENTS
[0005] The utility model provides a ship unloader safety device, aims at solving the problem that the ship unloader in prior art lacks safety device in the background art, when working, cannot avoid the pedestrian and vehicle to approach the ship unloader or pass under the frame of ship unloader, can bring certain safety hazard to the pedestrian and vehicle and other problems.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a ship unloader safety device, including ship unloader frame, the upper end of ship unloader frame is installed with crossbeam, installs the protection structure on ship unloader frame,
[0007] The protection structure includes double-shaft motor and transmission rod installed at the driving end of double-shaft motor, the end away from double-shaft motor of transmission rod is provided with driving bevel gear, the protection structure further includes threaded rod rotatably installed on ship unloader frame through bearing at both ends, the upper end of threaded rod and corresponding driving bevel gear are installed with driven bevel gear, threaded rod is installed with threaded sleeve through thread, two groups of threaded sleeve are commonly installed with fence. When the ship unloader is unloaded, the double-shaft motor provides power to drive the threaded rod to reverse, the threaded rod drives the threaded sleeve to move down, the threaded sleeve drives the fence to move down to the ground and encloses the ship unloader, blocks the pedestrian and vehicle to approach the ship unloader or pass under the ship unloader, avoids the problem that the ship unloader in prior art lacks safety device, when working, cannot avoid the pedestrian and vehicle to approach the ship unloader or pass under the frame of ship unloader, can bring certain safety hazard to the pedestrian and vehicle, can effectively avoid the safety accident.
[0008] Preferably, the fence is provided with an anti-climbing structure;
[0009] The anti-climbing structure comprises four groups of support plates mounted on the fence, the end surface of the support plate is provided with an electric push rod, the driving rods of the four groups of electric push rods are connected through a connecting frame, and the end surface of the connecting frame is provided with a plurality of sharp rod.
[0010] Preferably, the unloader rack is provided with a support block, the double-shaft motor is bolted to the end surface of the support block, a through slot is formed in the unloader rack corresponding to the driving bevel gear, the unloader rack is provided with a support sleeve through the through slot, and the inner wall of the support sleeve is rotationally connected with the outer wall of the transmission rod.
[0011] Preferably, the unloader rack is provided with a sliding groove on the front and rear sides and symmetrically, the unloader rack is provided with a vertical rod through the two groups of sliding grooves on the right side, and the outer wall of the vertical rod is slidingly provided with a sliding sleeve connected with the inner wall of the fence.
[0012] Preferably, the fence is provided with a conveyor belt placing opening corresponding to the front and rear sides, the cross beam is provided with a winding roller, the outer wall of the winding roller is wound with a lifting cable, and the end of the lifting cable away from the winding roller is provided with a grab bucket.
[0013] Preferably, the plurality of sharp rods are uniformly distributed on the end surface of the connecting frame, and the sharp rods are cross-distributed with the guard rods in the fence.
[0014] Preferably, a plurality of through holes are formed in the connecting frame, the connecting frame is slidingly connected with the fence through the through holes, and the fence is provided with a mounting hole corresponding to the sharp rod.
[0015] Beneficial effects: by setting the protection structure, using the double-shaft motor, the threaded rod, the threaded sleeve and the threaded sleeve, when the unloader is unloading, the double-shaft motor provides power to drive the threaded rod to reverse, the threaded rod drives the threaded sleeve to move downward, the threaded sleeve drives the fence to move downward to the ground to enclose the unloader, and the fence blocks pedestrians and vehicles from approaching the unloader or passing under the unloader, avoiding the problem that the existing unloader lacks safety protection device, and pedestrians and vehicles cannot avoid approaching the unloader or passing under the unloader during work, which brings certain safety hazards to pedestrians and vehicles, and effectively avoids safety accidents. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional structure schematic view of a unloader safety protection device;
[0017] Figure 2 It is a partial cut structure schematic view of a unloader safety protection device;
[0018] Figure 3 It is an enlarged structure schematic view of A of a ship unloader safety protection device;
[0019] Figure 4 It is a partial split structure schematic view of a ship unloader safety protection device.
[0020] In the figure: 1, ship unloader rack;11, support block;12, sliding groove;13, through slot;14, support sleeve;2, cross beam;3, protection structure;31, double-shaft motor;32, transmission rod;33, driving bevel gear;34, threaded rod;35, driven bevel gear;36, threaded sleeve;37, fence;371, conveyor belt placement opening;372, mounting hole;38, vertical rod;39, sliding sleeve;4, winding roller;5, sling cable;6, grab bucket;7, anti-climbing structure;71, support plate;72, electric push rod;73, connecting frame;731, through hole;74, pointed rod. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Embodiment 1
[0023] The present embodiment provides a ship unloader safety protection device, as shown in the figure, the safety protection device comprises a ship unloader rack 1, the upper end of the ship unloader rack 1 is provided with a cross beam 2, and the ship unloader rack 1 is provided with a protection structure 3; Figures 1-4
[0024] The protection structure 3 comprises a double-shaft motor 31 and a transmission rod 32 installed at the driving end of the double-shaft motor 31, the end of the transmission rod 32 away from the double-shaft motor 31 is provided with a driving bevel gear 33, the protection structure 3 further comprises a threaded rod 34 rotatably installed on the ship unloader rack 1 at both ends through bearings, a driven bevel gear 35 is installed at the upper end of the threaded rod 34 and corresponds to the driving bevel gear 33, the threaded rod 34 is provided with a threaded sleeve 36 through threading, and the two groups of threaded sleeves 36 are jointly provided with a fence 37.
[0025] When in use, when the ship unloader is unloading, the double-shaft motor 31 is started in reverse rotation by the control center, the double-shaft motor 31 rotates synchronously with the two transmission rods 32, the transmission rods 32 rotate reversely with the driving bevel gears 33, the driving bevel gears 33 drive the driven bevel gears 35 to rotate, the driven bevel gears 35 drive the threaded rods 34 to reverse, the threaded rods 34 drive the two sets of threaded sleeves 36 to move downward, the two sets of threaded sleeves 36 drive the fences 37 to move downward to the ground to enclose the ship unloader, block pedestrians and vehicles from approaching the ship unloader or passing under the ship unloader, avoid the problem that the prior art lacks safety protection devices for the ship unloader, pedestrians and vehicles cannot be avoided from approaching the ship unloader or passing under the ship unloader during work, and a certain safety hazard is brought to pedestrians and vehicles, and safety accidents can be effectively avoided; when the ship unloader stops working or is overhauled, the double-shaft motor 31 is started to rotate forward, and the operation steps are opposite to the above-mentioned operation steps, so that the two sets of threaded sleeves 36 drive the fences 37 to move upward, and the maintenance personnel and other personnel and vehicles can conveniently pass.
[0026] In the embodiment, the support block 11 is installed on the ship unloader frame 1, the double-shaft motor 31 is installed on the end face of the support block 11 through bolts, the through slot 13 is formed in the ship unloader frame 1 and corresponds to the driving bevel gear 33, the support sleeve 14 is installed on the ship unloader frame 1 through the through slot 13, and the inner wall of the support sleeve 14 is rotationally connected to the outer wall of the transmission rod 32; the slide grooves 12 are symmetrically formed on the front and back sides of the ship unloader frame 1, and the vertical rods 38 are installed on the right two sets of slide grooves 12 of the ship unloader frame 1, and the outer wall of the vertical rod 38 is slidingly installed with the sliding sleeve 39 connected to the inner wall of the fence 37;
[0027] The vertical rod 38 and the sliding sleeve 39 are provided, when the fence 37 moves up and down, two sets of sliding sleeves 39 are arranged on the fence 37, and the sliding sleeve 39 is used to slide up and down on the vertical rod 38, which improves the stability of the fence 37 and improves the stability of the fence 37 when moving up and down.
[0028] In the embodiment, the fence 37 is provided with the conveyor belt placing opening 371 on the front and back sides, the cross beam 2 is provided with the winding roller 4, the outer wall of the winding roller 4 is wound with the hoisting cable 5, and the end of the hoisting cable 5 away from the winding roller 4 is provided with the grab bucket 6.
[0029] The conveyor belt placing opening 371 is provided, which provides space for the installation of the ship unloader discharging conveyor, and makes the space utilization of the safety protection device and the ship unloader more reasonable.
[0030] Embodiment 2
[0031] Different from the embodiment 1, the fence 37 is provided with the anti-climbing structure 7.
[0032] The anti-climbing structure 7 comprises four groups of supporting plates 71 mounted on the fence 37, end surfaces of the supporting plates 71 are provided with electric push rods 72, driving rods of the four groups of electric push rods 72 are connected through a connecting frame 73, the connecting frame 73 is provided with a plurality of pointed rods 74 at the end surface;
[0033] In use, the two groups of threaded sleeves 36 drive the fence 37 to move downwards to the ground to enclose the surroundings of the ship unloader, so as to avoid the danger caused by climbing and crossing the fence 37 by pedestrians, the four groups of electric push rods 72 are started to work through the control switch, the electric push rods 72 are stretched upwards, the connecting frame 73 is driven by the electric push rods 72 to slide upwards on the fence 37, the connecting frame 73 drives the plurality of pointed rods 74 to pass through the mounting holes 372 to the upper side of the fence 37, the pointed rods 74 can cause a deterrent to pedestrians, so as to avoid the danger caused by climbing and crossing the fence 37 by pedestrians, thereby ensuring the safety of pedestrians and safe operation of the ship unloader;
[0034] In the embodiment, the plurality of pointed rods 74 are uniformly distributed on the end surface of the connecting frame 73, the pointed rods 74 are cross-distributed with the protective rods in the fence 37; a plurality of through holes 731 are formed in the connecting frame 73, the connecting frame 73 is connected with the fence 37 in a sliding manner through the through holes 731, the mounting holes 372 are formed in the fence 37 and correspond to the pointed rods 74;
[0035] Among them, through the setting of the mounting hole 372, when the ship unloader stops working or is overhauled, the four groups of electric push rods 72 are contracted downwards to work, the connecting frame 73 is pulled back, the connecting frame 73 pulls the plurality of pointed rods 74 into the corresponding mounting holes 372, the pointed part of the pointed rod 74 is hidden, so as to avoid unnecessary accidents.
[0036] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A safety protection device for a ship unloader, comprising a ship unloader frame (1), characterized in that: A crossbeam (2) is installed at the upper end of the unloading machine frame (1), and a protective structure (3) is installed on the unloading machine frame (1); The protective structure (3) includes a dual-axis motor (31) and a transmission rod (32) installed on the drive end of the dual-axis motor (31). The end of the transmission rod (32) away from the dual-axis motor (31) is provided with a driving bevel gear (33). The protective structure (3) also includes a threaded rod (34) that is rotatably mounted on the unloader frame (1) at both ends by bearings. A driven bevel gear (35) is installed on the upper end of the threaded rod (34) and corresponding to the driving bevel gear (33). The threaded rod (34) is threaded with a threaded sleeve (36) installed by threads. The two sets of threaded sleeves (36) are jointly installed with a fence (37).
2. The safety protection device for the ship unloader according to claim 1, characterized in that: The fence (37) is equipped with an anti-climbing structure (7); The anti-climb structure (7) includes four sets of support plates (71) installed on the fence (37). The end face of the support plate (71) is equipped with an electric push rod (72). The drive rods of the four sets of electric push rods (72) are connected by a connecting frame (73). The end face of the connecting frame (73) is equipped with several pointed rods (74).
3. The safety protection device for the ship unloader according to claim 1, characterized in that: A support block (11) is installed on the unloading machine frame (1). The dual-shaft motor (31) is bolted to the end face of the support block (11). A through slot (13) is provided on the unloading machine frame (1) and corresponding to the drive bevel gear (33). A support sleeve (14) is installed on the unloading machine frame (1) through the through slot (13). The inner wall of the support sleeve (14) is rotatably connected to the outer wall of the transmission rod (32).
4. The safety protection device for the ship unloader according to claim 1, characterized in that: The unloader frame (1) is provided with symmetrical sliding grooves (12) on the front and rear sides. The unloader frame (1) is equipped with vertical rods (38) through two sets of sliding grooves (12) on the right side. The outer wall of the vertical rods (38) is slidably fitted with sliding sleeves (39) connected to the inner wall of the fence (37).
5. The safety protection device for the ship unloader according to claim 1, characterized in that: The front and rear sides of the fence (37) are provided with conveyor belt placement openings (371), and a winding roller (4) is installed on the crossbeam (2). The outer wall of the winding roller (4) is wrapped with a lifting cable (5), and a grab bucket (6) is provided at the end of the lifting cable (5) away from the winding roller (4).
6. The safety protection device for the ship unloader according to claim 2, characterized in that: Several of the pointed rods (74) are evenly distributed on the end face of the connecting frame (73), and the pointed rods (74) are arranged to cross the guard rods in the fence (37).
7. The safety protection device for the ship unloader according to claim 2, characterized in that: The connecting frame (73) has several through holes (731), and the connecting frame (73) is slidably connected to the fence (37) through the through holes (731). The fence (37) has mounting holes (372) corresponding to the pointed rod (74).