Disclosure of Invention
The invention aims to solve the technical problem of providing a lifting protection platform for wall surface carving, and the lifting protection platform overcomes the problems.
The invention is realized by the following technical scheme.
A lifting protection platform for wall surface carving comprises a working box and a lifting platform arranged on the upper side of the working box, wherein the lifting platform can slide up and down, the upper end surface of the lifting platform is provided with a fixing ring capable of fixing and protecting carving personnel, a fixing cavity is arranged in the fixing ring, a clamping ring is arranged in the fixing cavity in a sliding manner, the other end of the clamping ring is clamped into the fixing cavity and can protect people, a first cavity with an upward opening is arranged in the lifting platform, a first fixing shaft is fixedly arranged on the front cavity wall and the rear cavity wall of the first cavity, a winding wheel is rotatably arranged on the first fixing shaft, a pull rope is wound on the winding wheel, the other end of the pull rope is fixedly connected to the right end surface of the clamping ring, a second cavity is fixedly arranged in the working box, a lifting device capable of enabling the lifting platform to slide up and down is fixedly arranged on the upper side in the second cavity, a third cavity with a left opening and a right opening communicated, the third cavity bottom wall is provided with a collecting box capable of collecting falling wall ash in a sliding mode, a collecting cavity with an upward opening is formed in the collecting box, a sliding plate capable of sliding up and down is fixedly arranged on the lower end face of the working box, a fixing rod is fixedly arranged on the lower end face of the sliding plate, four groups of fixing rods are symmetrically arranged along the symmetry center of the sliding plate, sliding wheels capable of moving are rotatably arranged on the fixing rods, and supporting devices capable of enabling the sliding plate to slide up and down are symmetrically arranged on the front side and the rear side of the working box.
Further, the lifting device comprises a first rotating shaft which is rotatably connected to the rear cavity wall of the second cavity, a first bevel gear is fixedly arranged on the first rotating shaft, a first belt wheel which is positioned at the rear side of the first bevel gear is fixedly arranged on the first rotating shaft, a second rotating shaft which is positioned at the upper side of the first rotating shaft is rotatably arranged on the rear cavity wall of the second cavity, a second belt wheel which is positioned at the upper side of the first belt wheel is fixedly arranged on the second rotating shaft, the second belt wheel is connected with the first belt wheel through a belt in a transmission manner, a first gear which is positioned at the front side of the second belt wheel is fixedly arranged on the second rotating shaft, a second fixed shaft which is positioned at the left side of the second rotating shaft is fixedly arranged on the front cavity wall and the rear cavity wall of the second cavity, a second gear which is meshed with the first gear is rotatably arranged on the second fixed shaft, and a first rack which is positioned at the left side of the second, the first rack extends upwards to the upper side of the working box, is fixedly connected to the lower end face of the lifting platform, and the second gear is meshed with the first rack.
Furthermore, a motor with a part located in the second cavity is fixedly arranged on the bottom wall of the working box, a motor shaft is rotatably arranged on the upper end face of the motor, a third gear is fixedly arranged on the motor shaft, a second bevel gear meshed with the first bevel gear is fixedly arranged at the top end of the top of the motor shaft, and when the motor is started to rotate, the second bevel gear rotates to drive the first bevel gear to rotate.
Furthermore, a second rack positioned at the rear side of the motor shaft is arranged on the rear cavity wall of the second cavity in a sliding manner, the second rack extends leftwards into the third cavity, and is fixedly connected with the right end surface of the collecting box, the bottom wall of the working box is fixedly provided with a chute communicated with the second cavity, an electromagnet is fixedly arranged on the front cavity wall of the sliding chute, a magnetic slide block positioned at the rear side of the electromagnet is arranged in the sliding chute in a sliding manner, the front end surface of the magnetic slide block is connected with the rear end surface of the electromagnet through an extension spring, the upper end surface of the magnetic slide block is rotatably provided with a third rotating shaft, a fourth gear and a fifth gear are sequentially and fixedly arranged on the third rotating shaft from bottom to top, when the magnetic slide block slides backwards to abut against the rear cavity wall of the sliding groove, the fourth gear is meshed with the second rack, and the fifth gear is meshed with the third gear.
Further, strutting arrangement is including being located the supporting box of work box front side, the symmetry is equipped with two sets ofly around the supporting box, be equipped with the support chamber in the supporting box, the supporting box runs through to be equipped with the through-hole opposite end wall side, makes support chamber and external intercommunication, it rotates and is equipped with the dwang to support the chamber bottom wall, the supporting box upper end wall runs through and is equipped with the rectangular hole, the dwang upwards passes the rectangular hole just extends to the supporting box upside, the dwang up end has set firmly can make dwang pivoted rotatory piece, dwang upper portion is equipped with the screw thread, the sliding plate extends to support the intracavity, and with the outer end wall threaded part threaded connection of dwang, rotate during the rotatory piece, make the sliding plate is in slide from top to bottom on the dwang.
The invention has the beneficial effects that: the collecting box can slide out during working, wall ash generated by carving can be collected, carving personnel can stand on the lifting table, when the wall surfaces with different heights need to be carved, the lifting device can drive the lifting table to ascend and descend to a proper height, the fixing ring can fix the personnel on the lifting table, and therefore the carving personnel are protected, and the support device can enable the movable wheel to abut against the ground after the support device is used, and therefore the support device is convenient to carry and move.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1-4, a lifting protection platform for wall surface carving comprises a work box 10 and a lifting platform 17 arranged on the upper side of the work box 10, wherein the lifting platform 17 can slide up and down, the upper end surface of the lifting platform 17 is provided with a fixing ring 18 capable of fixing and protecting carving personnel, a fixing cavity 53 is arranged in the fixing ring 18, a snap ring 52 is arranged in the fixing cavity 53 in a sliding manner, the other end of the snap ring 52 is clamped in the fixing cavity 53 to protect the people, a first cavity 20 with an upward opening is arranged in the lifting platform 17, a first fixing shaft 22 is fixedly arranged on the front cavity wall and the rear cavity wall of the first cavity 20, a winding wheel 21 is rotatably arranged on the first fixing shaft 22, a pull rope 19 is wound on the winding wheel 21, the other end of the pull rope 19 is fixedly connected to the right end surface of the snap ring 52, a second cavity 41 is fixedly arranged in the work box 10, a lifting device 61 capable of enabling the lifting platform 17 to slide up and down is fixedly arranged, the bottom of the working box 10 is fixedly provided with a third cavity 35 with a left opening and a right opening communicated with the second cavity 41, the bottom wall of the third cavity 35 is slidably provided with a collecting box 36 capable of collecting falling wall ash, an upward opening collecting cavity 37 is arranged in the collecting box 36, the lower end surface of the working box 10 is fixedly provided with a sliding plate 34 capable of sliding up and down, the lower end surface of the sliding plate 34 is fixedly provided with four groups of fixing rods 29, the fixing rods 29 are symmetrically arranged along the symmetrical center of the sliding plate 34, sliding wheels 30 capable of moving are rotatably arranged on the fixing rods 29, and the front side and the rear side of the working box 10 are symmetrically provided with supporting devices 62 capable of enabling the sliding plate 34 to slide up and down.
Advantageously, the lifting device 61 comprises a first rotating shaft 11 rotatably connected to the rear cavity wall of the second cavity 41, a first bevel gear 12 is fixedly arranged on the first rotating shaft 11, a first belt pulley 43 positioned at the rear side of the first bevel gear 12 is fixedly arranged on the first rotating shaft 11, a second rotating shaft 24 positioned at the upper side of the first rotating shaft 11 is rotatably arranged on the rear cavity wall of the second cavity 41, a second belt pulley 42 positioned at the upper side of the first belt pulley 43 is fixedly arranged on the second rotating shaft 24, the second belt pulley 42 is in transmission connection with the first belt pulley 43 through a belt 13, a first gear 23 positioned at the front side of the second belt pulley 42 is fixedly arranged on the second rotating shaft 24, a second fixed shaft 16 positioned at the left side of the second rotating shaft 24 is fixedly arranged on the front and rear cavity walls of the second cavity 41, a second gear 15 engaged with the first gear 23 is rotatably arranged on the second fixed shaft 16, the left cavity wall of the second cavity 41 is provided with a first rack 14 positioned on the left side of the second gear 15 in a sliding manner, the first rack 14 extends upwards to the upper side of the working box 10 and is fixedly connected to the lower end face of the lifting table 17, and the second gear 15 is meshed with the first rack 14.
Advantageously, the bottom wall of the work box 10 is fixedly provided with a motor 28 partially located in the second cavity 41, the upper end surface of the motor 28 is rotatably provided with a motor shaft 26, the motor shaft 26 is fixedly provided with a third gear 27, the top end of the top of the motor shaft 26 is fixedly provided with a second bevel gear 25 engaged with the first bevel gear 12, and when the motor 28 is started to rotate, the second bevel gear 25 rotates to drive the first bevel gear 12 to rotate.
Beneficially, the rear cavity wall of the second cavity 41 is slidably provided with a second rack 38 located at the rear side of the motor shaft 26, the second rack 38 extends leftwards into the third cavity 35 and is fixedly connected to the right end face of the collection box 36, the bottom wall of the work box 10 is fixedly provided with a chute 49 communicated with the second cavity 41, the front cavity wall of the chute 49 is fixedly provided with an electromagnet 51, the chute 49 is slidably provided with a magnetic slider 32 located at the rear side of the electromagnet 51, the front end face of the magnetic slider 32 is connected with the rear end face of the electromagnet 51 through a tension spring 50, the upper end face of the magnetic slider 32 is rotatably provided with a third rotating shaft 33, the third rotating shaft 33 is fixedly provided with a fourth gear 39 and a fifth gear 40 in sequence from bottom to top, when the magnetic slider 32 slides backwards to abut against the rear cavity wall of the chute 49, the fourth gear 39 is engaged with the second rack 38, the fifth gear 40 meshes with the third gear 27.
Advantageously, the support means 62 comprise a support box 31 located at the front side of the work box 10, two groups of supporting boxes 31 are symmetrically arranged in front and back, a supporting cavity 46 is arranged in each supporting box 31, through holes 48 are formed through opposite end wall sides of the support box 31, so that the support chamber 46 communicates with the outside, the bottom wall of the supporting cavity 46 is rotatably provided with a rotating rod 47, the upper end wall of the supporting box 31 is provided with a rectangular hole 45 in a penetrating way, the rotating rod 47 upwardly passes through the rectangular hole 45 and extends to the upper side of the supporting box 31, a rotating block 44 capable of rotating the rotating rod 47 is fixedly arranged on the upper end surface of the rotating rod 47, the rotating rod 47 is provided with threads at an upper portion thereof, the sliding plate 34 extends into the support chamber 46, and is screw-coupled to a screw portion of an outer end wall of the rotation lever 47, so that the slide plate 34 slides up and down on the rotation lever 47 when the rotation block 44 is rotated.
Sequence of mechanical actions of the whole device:
the initial state of the invention is as follows: the sliding wheel 30 is abutted against the ground, the collecting box 36 is positioned in the third cavity 35, the electromagnet 51 is not electrified, the extension spring 50 is in a relaxed state, the fourth gear 39 is not meshed with the second rack 38, and the fifth gear 40 is not meshed with the third gear 27;
1. when the wall surface needs to be carved, the wall surface carving machine is moved to the wall surface needing to be carved, the rotating block 44 is rotated, the rotating block 44 rotates to drive the rotating rod 47 to rotate, the rotating rod 47 rotates to enable the sliding plate 34 to slide upwards, the sliding plate 34 slides upwards to drive the fixed rod 29 to slide upwards, the fixed rod 29 slides upwards to drive the sliding wheel 30 to slide upwards, and therefore the sliding wheel 30 is separated from the ground to be abutted, the lower end face of the supporting box 31 is abutted to the ground, and the fixing effect is achieved;
2. the carving personnel stand on the upper surface of the lifting platform 17 to carve the wall surface, the fixing ring 18 is sleeved on the waist and fixed through the clamping ring 52, so that the carving personnel are protected, and the worker can move on the upper surface of the lifting platform 17 through the pull rope 19;
3. when the carving is needed, the electromagnet 51 is electrified to repel the magnetic slide block 32, so that the magnetic slide block 32 slides backwards, the magnetic slide block 32 slides backwards to drive the third rotating shaft 33 to slide backwards, when the magnetic slide block 32 slides backwards to abut against the rear cavity wall of the sliding groove 49, the fourth gear 39 is meshed with the second gear rack 38, the fifth gear 40 is meshed with the third gear 27, the motor 28 is started to drive the motor shaft 26 to rotate, the motor shaft 26 rotates to drive the third gear 27 to rotate, the third gear 27 rotates to drive the fifth gear 40 to rotate, the fifth gear 40 rotates to drive the third rotating shaft 33 to rotate, the third rotating shaft 33 rotates to drive the fourth gear 39 to rotate, the fourth gear 39 rotates to drive the second gear rack 38 to slide leftwards, the second gear 38 slides leftwards to drive the collecting box 36 to slide leftwards to the left side of the working box 10, and garbage such as wall ash and the like generated by carving, the electromagnet 51 is powered off, the extension spring 50 is reset to drive the magnetic slider 32 to slide forwards, so that the fourth gear 39 is disengaged from the second rack 38, and the fifth gear 40 is disengaged from the third gear 27;
4. when the lifting platform 17 is required to rise to a higher height, the motor 28 is started to drive the motor shaft 26 to rotate, the motor shaft 26 drives the second bevel gear 25 to rotate, the second bevel gear 25 drives the first bevel gear 12 to rotate, the first bevel gear 12 drives the first rotating shaft 11 to rotate, the first rotating shaft 11 drives the first belt wheel 43 to rotate, the first belt wheel 43 drives the second belt wheel 42 to rotate due to the transmission connection of the first belt wheel 25 and the second belt wheel 42 through the belt 13, the second belt wheel 42 drives the second rotating shaft 24 to rotate, the second rotating shaft 24 drives the first gear 23 to rotate, the first gear 23 drives the second gear 15 to rotate due to the meshing of the first gear 23 and the second gear 15, the second gear 15 drives the first rack 14 to slide upwards due to the meshing of the second gear 15 and the right tooth surface of the first rack 14, the first rack 14 slides upwards to drive the lifting platform 17 to slide upwards, and the lifting platform 17 slides upwards so that the carving personnel can carve wall surfaces with different heights;
5. when the engraving is completed, the motor 28 is operated to rotate reversely to slide the elevating platform 17 downward, and when the elevating platform 17 slides downward to the initial position, the present invention restores the initial position.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.