Safe lifting device for electric power construction
Technical Field
The utility model relates to an electric power construction safety technical field especially relates to a safe elevating gear is used in electric power construction.
Background
At present, in the electric power construction process, when ascending a height, the elevating platform device is mostly used for vertically conveying constructors or maintenance personnel and for transporting tools and parts required by installation and maintenance. In the actual working process, as a connecting device of conveying lines with different heights, various plane conveying devices are often arranged on the lifting platform so as to meet the use requirements of planes with different heights. However, the existing lifting platform is fixed on the vehicle suspension arm by a fixed shaft, the problem of insufficient stability of a base exists, once the working platform surface of the lifting platform rises, workers at the top can shake the whole platform body by walking slightly, a large potential safety hazard exists during electric power construction, the stability of the lifting platform body in the rising process is poor, and the lifting platform is inconvenient to move.
Disclosure of Invention
For overcoming the defects of the prior art, the invention aims to provide the safe lifting device for the electric power construction, which solves the problems of bad fixation of the bottom of the lifting platform and insufficient stability in the lifting process, eliminates the potential safety hazard in time and meets the requirements of the safe production of the electric power construction.
In order to achieve the purpose, the utility model comprises a base, a stand column and a lifting platform, wherein a first fixed plate is fixedly connected to the relative inner wall of the inner cavity of the base, an electric hydraulic push rod is fixedly connected to the lower part of the fixed plate and connected with a movable plate, the bottom of the movable plate is respectively connected with a first fixed frame and a first supporting leg, a first motor is arranged on the first fixed frame, a first chain wheel is arranged on the output shaft of the first motor, a rotating shaft is arranged on the supporting leg, a second chain wheel and a roller wheel are respectively arranged on the rotating shaft, and the chain wheel is connected with the second chain wheel through a chain;
a second fixing frame is fixedly connected above the first fixing plate, a second motor is mounted on the second fixing frame, a wind-up roll is mounted on an output shaft of the second motor, and a steel wire rope is connected to the wind-up roll;
the two sides above the base are respectively and fixedly provided with an upright post, the top of the upright post is provided with a guide wheel and a guide rail, the other end of the guide rail is fixedly connected with the upper surface of the base, the base is also provided with a first through hole, and a steel wire rope penetrates through the first through hole;
still sliding connection has lift platform on the guide rail, and lift platform both sides are connected with fixed plate two respectively, and it has slide opening, through-hole two to open on the fixed plate two, the guide rail is connected with lift platform through the slide opening on the fixed plate two, wire rope one end is passed through-hole two and is connected with the fixed dog on the fixed plate two, and the wire rope other end is walked around the leading wheel and is passed through-hole one and be connected with the wind-up roll.
Furthermore, the electric hydraulic push rods, the first fixing frame and the supporting legs are four groups and are respectively positioned at four corners of the inner cavity of the base.
Furthermore, a sliding groove is formed in the inner wall of the base inner cavity, sliding blocks are fixedly connected to the two side faces of the movable plate, and the sliding blocks are movably connected in the sliding groove.
Furthermore, the lifting platform is provided with a guardrail, a guardrail door is further arranged in the middle of the guardrail and hinged to the guardrail through hinges, and the guardrail is provided with a control switch.
Furthermore, a storage battery pack is arranged at the top of the first fixing plate.
Furthermore, the guide rails and the slide holes are all configured in four groups and are respectively arranged on two sides of the lifting platform.
Furthermore, the guardrail door is fixed with the guardrail through lock catch clamping.
Further, the outer diameter of the roller is larger than that of the second chain wheel.
Compared with the prior art, the utility model is provided with the first motor and the electric hydraulic push rod, the first motor drives the first chain wheel to rotate and drives the second chain wheel to rotate through the chain, and the second chain wheel drives the roller to roll through the rotating shaft, thereby being more convenient and labor-saving when moving the device; when the elevating platform risees, electronic hydraulic pressure push rod drives the fly leaf and reciprocates, and the fly leaf drives the gyro wheel and removes, and the inside of base is retrieved to the gyro wheel of being convenient for, and then makes base and ground good contact, guarantees the utility model discloses it is more stable when parking.
And simultaneously, the utility model discloses set up motor two, guide rail and slide opening, motor two drive the wind-up roll and rotate, and then carry out rolling or release to wire rope, make the guide rail reciprocate in the inside of slide opening, carry on spacingly to the position of elevating platform, conveniently rise or reduce the height of elevating platform, and make the elevating platform more stable when rising or reducing, avoid rising in-process elevating platform emergence and rock.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a partially enlarged schematic view of fig. 1 at B.
Fig. 4 is a partially enlarged schematic view of fig. 1 at C.
Fig. 5 is a schematic structural view of the lifting platform in fig. 1.
In the figure, the device comprises a base 1, a base 2, a first fixing plate 3, an electric hydraulic push rod 4, a movable plate 5, a first fixing frame 6, a first motor 7, a first chain wheel 8, a first supporting leg 9, a rotating shaft 10, a second chain wheel 11, a roller 12, a chain 13, an upright post 14, a guide wheel 15, a second fixing frame 16, a second motor 17, a winding roller 18, a steel wire rope 19, a first through hole 20, a guide rail 21, a lifting platform 22, a second fixing plate 23, a sliding hole 24, a second through hole 25, a fixing stop dog 26, a guardrail 27, a guardrail door 28, a control switch 29, a storage battery pack 30, a sliding chute 31 and a sliding block.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, the utility model discloses a base 1, stand 13, lift platform 21, base 1 is formed by top and inner wall closure all around, fixedly connected with fixed plate 2 on the relative inner wall of base 1 inner chamber, fixed plate 2 below fixedly connected with electro-hydraulic push rod 3, electro-hydraulic push rod 3 is connected with fly leaf 4, fly leaf 4 bottom is connected with mount 5, supporting leg 8 respectively, motor 6 is equipped with on mount 5, and sprocket 7 is equipped with on the output shaft of motor 6, pivot 9 is equipped with to the bearing position on the supporting leg 8, is equipped with sprocket two 10, gyro wheel 11 on the pivot 9 respectively, sprocket 7 is connected with sprocket two 10 through chain 12. When the lifting device works, the first motor 6 drives the first chain wheel 7 to rotate, the second chain wheel 10 and the rotating shaft 9 are driven to rotate through the chain 12, the roller 11 rolls, the lifting device is convenient to move, labor is saved, and the lifting device is stable to move. When the lifting device is lifted, the movable plate 4 is driven to move upwards through the electric hydraulic push rod 3 to drive the roller 11 to move upwards, the roller 11 is recovered into the inner cavity of the base 1, the stable contact between the periphery of the base 1 and the ground is ensured, and the lifting device is more stable when being stopped.
A second fixing frame 15 is fixedly connected above the first fixing plate 2, a second motor 16 is mounted on the second fixing frame 15, a winding roller 17 is mounted on an output shaft of the second motor 16, and a steel wire rope 18 is connected to the winding roller 17;
the two sides above the base 1 are respectively fixedly provided with an upright post 13, the top of the upright post 13 is provided with a guide wheel 14 and a guide rail 20, one end of the guide rail 20 is connected with the top of the upright post 13, the other end of the guide rail 20 is fixedly connected with the upper surface of the base 1, the guide rail 20 and the upright post 13 are arranged in parallel, the upper part of the base 1 is also provided with a first through hole 19, and a steel wire rope 18 penetrates through the first through hole 19;
still sliding connection has lift platform 21 on the guide rail 20, and lift platform 21 both sides are connected with two fixed plates 22 respectively, have all opened slide opening 23, two through-holes 24 on two fixed plates 22 of both sides, guide rail 20 is connected with lift platform 21 through slide opening 23 on two fixed plates 22, wire rope 18 one end is passed two through-holes 24 and is connected with the fixed stop 25 on two fixed plates 22, and wire rope 18 other end is walked around leading wheel 14 and is passed through one through-hole 19 and be connected with wind-up roll 17, and fixed stop 25 establishes the bottom at two fixed plates 22. When the lifting platform 21 moves up and down, the second motor 16 drives the winding roller 17 to rotate and wind or release the steel wire rope 18, the lifting platform 21 moves up and down on the guide rail 20 along the sliding hole 23, and the sliding hole 23 and the guide rail 20 limit the position of the lifting platform 21, so that the lifting platform 21 is more stable when being lifted or lowered, and the lifting platform 21 is prevented from shaking in the lifting process.
Preferably, the electric hydraulic push rods 3, the first fixing frame 5 and the supporting legs 8 are four groups and are respectively positioned at four corners of the inner cavity of the base 1, so that the stress of the whole lifting device is balanced and stable.
Preferably, the inner cavity of the base 1 is provided with a sliding groove 30 on the inner wall, the two side surfaces of the movable plate 4 are fixedly connected with sliding blocks 31, and the sliding blocks 31 are movably connected in the sliding groove 30. The movable plate 4 is limited, and when the movable plate 4 moves up and down, the sliding block 31 moves in the sliding groove 30, so that the movable plate 4 is more stable when being lifted up and down.
Preferably, be equipped with guardrail 26 on lift platform 21, further protect personnel's safety on lift platform 21, still be equipped with guardrail door 27 in the middle of guardrail 26, guardrail door 27 is articulated with guardrail 26 through the hinge, and when elevating gear shut down the steady back, guardrail door 27 makes things convenient for personnel to pass in and out, from top to bottom, be provided with control switch 28 on the guardrail 26, the operation of the whole elevating gear of control.
Preferably, a storage battery pack 29 is arranged at the top of the first fixing plate 2 to provide power guarantee for the motor and the control switch.
Preferably, the guide rails 20 and the sliding holes 23 are configured in four groups and are respectively arranged on two sides of the lifting platform 21, so that the lifting platform 21 can run more stably up and down.
Preferably, the guardrail door 27 and the guardrail 26 are fixed in a clamping manner through a lock catch, so that safety guarantee is added for opening the guardrail door 27.
Preferably, the outer diameter of the roller 11 is larger than that of the second chain wheel 10, so that the roller 11 is more convenient to move on the ground.
The utility model discloses during the use, through control switch 28 starter motor 6, drive sprocket 7 and rotate, make chain 12, sprocket 10, pivot 9 in proper order make gyro wheel 11 roll, remove the position of using with this elevating gear, then, start electronic hydraulic push rod 3 and drive fly leaf 4 and remove, slider 31 rebound in spout 30 drives gyro wheel 11 and retrieves base 1's inside, and base 1 and ground contact are berthhed the device stably. When a worker enters the lifting platform 21, the guardrail door 27 is closed, the second motor 16 is started, the winding roller 17 is driven to rotate, the steel wire rope 18 is wound, the sliding rod 20 moves in the sliding hole 23, and the lifting platform 21 is adjusted to be at a proper height.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.