Protection device for welding roof of house surface steel structure of railway station
Technical Field
The utility model belongs to the technical field of protective devices for welding, and particularly relates to a protective device for welding a roof of a house surface steel structure of a railway station.
Background
The railway station house is a place for passengers to wait, purchase tickets, consult, rest and other services, and the ceiling of the railway station house can be generally constructed by adopting a steel structure and is usually required to be welded;
When welding the steel structure ceiling of the house surface of the railway station, a protecting device is needed to protect workers, a protecting mask for welding is a common protecting device used during welding, the protecting mask is matched with a protective glass lens, so that the welding position can be observed by the workers, the harm of welding strong light to eyes is reduced, the protective glass lens is a vulnerable product, the protective glass lens is required to be replaced frequently, the definition of working vision is ensured, although the protective glass lens and the protecting mask are generally detachable, when the protective glass lens is detached and replaced, the workers are required to detach the whole device from the head under the normal condition, and then the protective glass lens is detached and then is installed into a new glass lens.
Disclosure of utility model
The utility model provides a protective device for welding a roof of a steel structure of a house surface of a railway station, which has the characteristic of being convenient for replacing protective glasses of protective masks.
The protective mask comprises a protective mask and a binding belt, wherein two first abdicating holes are formed in one side of the protective mask, a supporting cover is fixedly connected to one side of the protective mask, a plugging door is hinged to one side of the supporting cover, two second abdicating holes are formed in the plugging door, the two second abdicating holes correspond to the two first abdicating holes one by one, a first rotary table is rotatably connected to one side of the protective mask, a second rotary table is rotatably connected to the inner wall of the plugging door, a plug board is fixedly connected to one side of the second rotary table, a butt joint groove is formed in one side of the first rotary table, a supporting inner ring is arranged on one side of the plugging door, a goggles ring disc is fixedly connected to one side wall of the supporting inner ring, a plug hole is formed in the supporting inner ring, the supporting inner ring is connected to the plug board side wall in a sliding mode through the plug hole, and the plug board is plugged into the inner wall of the butt joint groove, and the supporting inner ring is clamped between the second rotary table and the first rotary table.
The plug board is characterized in that one end of the plug board is fixedly connected with a knob, and the knob penetrates through one side of the plugging door.
The anti-blocking device comprises a blocking door and a protective mask, wherein a torsion spring is arranged between the blocking door and the supporting mask, a damping layer is arranged between the second rotary table and the blocking door, and a damping layer is arranged between the first rotary table and the protective mask.
The anti-slip sealing device comprises a supporting cover, a sealing door and a sealing cover, wherein one side of the supporting cover is rotatably connected with a limiting plate, the limiting plate is slidably connected to one side of the sealing door, and an anti-slip pad is arranged on the contact surface of the limiting plate and the sealing door.
The eye protection glasses are characterized in that a plurality of outline prompt lines and a plurality of scale prompt lines are arranged on the eye protection glasses ring disc, and the outline prompt lines and the scale prompt lines correspond to the second abdication holes and the first abdication holes.
The utility model has the advantages that the non-worn area can be rotated to the position aligned with the second abdicating hole and the first abdicating hole by rotating and adjusting the angle of the goggles ring disc, the device does not need to be detached from the head of a worker, the whole replacement of the lens is not needed, the use is more convenient and flexible during the operation, the whole replacement is carried out, the operation is simple, the consumed time is shorter, and the working efficiency of the switching is improved.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model in an open state;
FIG. 3 is an enlarged schematic view of the support housing and support inner ring assembly of the present utility model;
fig. 4 is an enlarged schematic view of the portion a in fig. 1.
The face mask comprises a face mask body 1, a binding belt 12, a first abdication hole 13, a first rotary table 131, a butt joint groove 2, a supporting cover 21, a plugging door 211, a torsion spring 22, a second abdication hole 23, a second rotary table 24, a plugboard 241, a knob 25, a limiting plate 3, a supporting inner ring 31, a goggles ring disc 32, an inserting hole 33, a contour prompt line 34 and a scale prompt line.
Detailed Description
Referring to fig. 1-4, the present utility model provides the following technical scheme, including a protective mask 1 and a binding belt 11, two first abdicating holes 12 are provided on one side of the protective mask 1, a support cover 2 is fixedly connected on one side of the protective mask 1, a plugging door 21 is hinged on one side of the support cover 2, two second abdicating holes 22 are provided on the plugging door 21, the two second abdicating holes 22 are in one-to-one correspondence with the two first abdicating holes 12, a first rotating disc 13 is rotatably connected on one side of the protective mask 1, a second rotating disc 23 is rotatably connected on the inner wall of the plugging door 21, a plugboard 24 is fixedly connected on one side of the second rotating disc 23, a butting slot 131 is provided on one side of the first rotating disc 13, a supporting inner ring 3 is provided on one side of the plugging door 21, a goggles ring 31 is fixedly connected on one side of the supporting inner ring 3, a plughole 32 is provided on the supporting inner ring 3, the plugboard 24 is slidably connected on the side wall of the plugboard 24 through the plugboard 32, the plugboard 24 is spliced on the inner wall of the butting slot 131, and the supporting inner ring 3 is clamped between the second rotating disc 23 and the first rotating disc 13.
In this embodiment: the protective mask 1 supports each component of the device, the protective mask 1 is fixedly connected with the head of a worker through the binding belt 11, the supporting mask 2 is positioned at the outer side of the protective mask 1, a storage space for supporting the inner ring 3 is arranged in the supporting mask 2, the blocking door 21 is used for blocking the storage space opening of the supporting mask 2, the blocking door 21 is used for supporting the second rotary table 23, the second rotary table 23 is used for supporting the inserting plate 24, the inserting plate 24 is inserted into the inserting hole 32, so that the supporting mask 2 can support and drive the supporting inner ring 3 through the inserting plate 24, the first rotary table 13 is abutted with the inserting plate 24 through the abutting groove 131, when the supporting inner ring 3 is installed, the supporting inner ring 3 is blocked on the inserting plate 24 by opening the blocking door 21, then the blocking door 21 drives the supporting inner ring 3 to enter the inner space of the supporting mask 2, so that the supporting cover 2 and the blocking door 21 can protect the outside of the supporting inner ring 3, the second rotary plate 23 and the first rotary plate 13 clamp the supporting inner ring 3, thereby preventing the problem of friction loss caused by contact with the protective cover 1 and the supporting cover 2 when the supporting inner ring 3 drives the visor ring plate 31 to rotate, a worker observes and welds the steel structure ceiling of the house surface of the railway station through the visor ring plate 31 through the first yielding hole 12 and the second yielding hole 22, when the visor ring plate 31 and the second yielding hole 22 and the first yielding hole 12 generate loss in the region where the replacement angle is needed, the plug plate 24 drives the supporting inner ring 3 and the first rotary plate 13 to synchronously rotate through controlling the plug plate 24, the supporting inner ring 3 drives the visor ring plate 31 to rotate, thereby make visor ring dish 31 not consume the region can rotate to with the second hole of stepping down 22 and first hole of stepping down 12 counterpoint position of stepping down, need not to pull down the device from the staff's head to need not to carry out whole change to the lens, use more convenient nimble when the operation, carry out holistic change, easy operation and consume time less, thereby make the work efficiency that has improved the switch, after visor ring dish 31 all regions all use, change support inner ring 3 and visor ring dish 31 again.
One end of the plugboard 24 is fixedly connected with a knob 241, the knob 241 penetrates through one side of the plugging door 21, and one section of the knob 241 is positioned on the outer side of the plugging door 21, so that when a worker switches the angle of the goggle ring disc 31, the plugboard 24 can be driven to rotate by directly rotating the knob 241 by hands, and the plugboard 24 drives the support inner ring 3 and the goggle ring disc 31 to realize the angle switching, and the operation is convenient.
The anti-shake protective eye mask comprises a protective eye mask body, a protective eye mask ring disc 31, a support cover 2, a support inner ring 3, a torsion spring 211, a first rotating disc 13, a second rotating disc 23, a second rotating disc 13, a protective eye mask 1 and a protective eye mask ring disc 31, wherein the torsion spring 211 is arranged between the protective eye mask body and the support cover 2, a damping layer is arranged between the second rotating disc 23 and the support inner ring 3, the first rotating disc 13 is arranged between the second rotating disc 23 and the support inner ring 3, the damping layer is arranged between the first rotating disc 13 and the protective eye mask 1, the first rotating disc 13 is arranged between the second rotating disc 23 and the support inner ring 3, the damping layer is arranged between the second rotating disc 23 and the protective eye mask 1, and the torsion spring 211 drives the protective eye mask ring disc 31 to overturn towards the support inner ring 2.
The support cover 2 is rotatably connected with a limiting plate 25 on one side, the limiting plate 25 is slidably connected to one side of the blocking door 21, an anti-slip pad is arranged on the contact surface of the limiting plate 25 and the blocking door 21, after the blocking door 21 drives a new support inner ring 3 to enter the support cover 2, the limiting plate 25 is rotated, the limiting plate 25 can rotate downwards, so that the limiting plate 25 can limit the blocking door 21, the blocking door 21 is prevented from being turned outwards, the protection stability of the support inner ring 3 and the goggles ring disc 31 is improved, the anti-slip pad of the limiting plate 25 can increase the friction force between the limiting plate 25 and the blocking door 21, and the limiting plate 25 is prevented from being separated from limiting the blocking door 21.
The visor ring 31 is provided with a plurality of contour prompt lines 33 and a plurality of scale prompt lines 34, the plurality of contour prompt lines 33 and the plurality of scale prompt lines 34 correspond to the positions of the second abdicating hole 22 and the first abdicating hole 12, and the plurality of two contour prompt lines 33 and the plurality of scale prompt lines 34 divide and indicate the area of the visor ring 31, so that when the visor ring 31 is rotationally adjusted, the visor ring 31 is aligned with the second abdicating hole 22 and the first abdicating hole 12 by utilizing different contour prompt lines 33 and scale prompt lines 34, and the use is convenient.
When the device is used, the blocking door 21 is opened, the supporting inner ring 3 is inserted on the plugboard 24, then the torsion spring 211 drives the blocking door 21 to turn over, the blocking door 21 drives the supporting inner ring 3 to enter the supporting cover 2, the supporting inner ring 3 is clamped by the second turntable 23 and the first turntable 13, then the limiting plate 25 is rotated, the limiting plate 25 can limit the blocking door 21, the blocking door 21 is prevented from being turned outwards, the protection stability of the supporting inner ring 3 and the goggle ring 31 is improved, the device is then bound on the head of a worker through the binding belt 11, when the outline prompting line 33 which is opposite to the second yielding hole 22 is used, damage is generated, the knob 241 drives the plugboard 24 to rotate, the second turntable 23, the first turntable 13 and the supporting inner ring 3, the supporting inner ring 3 drives the goggle ring 31 to rotate, the outline prompting line 33 and the scale prompting line 34 are used for indication, the outline prompting line 33 area of the other two can rotate to be opposite to the yielding hole 22 and the first yielding hole 12, the whole device is not required to be replaced by the aid of the whole device, the whole device is not required to be replaced by the whole device, and the whole device is more convenient to replace the whole operation cost is reduced, and the whole operation is unnecessary to replace the goggle 31, and the whole operation is more convenient than the operation cost is required to replace the operation cost is compared with the device.