Power maintenance elevator
Technical Field
The utility model relates to the technical field of elevators, in particular to a power maintenance elevator.
Background
The large-scale power system is one of the most important achievements in the history of human engineering science, is a power generation and consumption system consisting of links of power generation, power transmission, power transformation, power distribution, power consumption and the like, converts primary energy in nature into power through a mechanical energy device, supplies the power to each user through the power transmission, the power transformation and the power distribution, and is provided with professional power maintenance engineers, so that the efficiency of the engineers is greatly improved by a power maintenance tool.
The application number 202022165762.0 discloses a power maintenance companion ladder relates to the electric power field. Including removing the chassis, the top of axis of rotation is rotated through the inserted bar to the one end of removing the chassis, and the inboard of axis of rotation passes through the both sides of inserted bar rotation connection gyro wheel, and the one end of track sliding connection bracing piece is passed through to the one end inboard of removing the bottom plate, and the one end surface of bracing piece rotates the one end of connecting telescopic support frame one. This power maintenance companion ladder drives the transfer line through rotating the hand crank and rotates, and the transfer line drives bevel gear two and rotates, and bevel gear two drives the screw thread dwang through bevel gear and rotates, and the screw thread dwang passes through the screw thread promotion fixed cover piece of surface and removes, has reached fixed cover piece and has promoted the three contractions of telescopic support frame, promotes the effect that supports the roof and rises, has solved traditional maintenance companion ladder and can only rise to a fixed height, can't adjust according to the demand to more loaded down with trivial details when height-adjusting, can not convenient removal, the big problem of occupation of land.
When the existing elevator is used, the rollers are in contact with the ground and support the device, so that the elevator is unstable to place and easy to shake when being lifted, and therefore, the elevator for power maintenance is provided.
Disclosure of utility model
The utility model aims to solve the defects that the existing elevator is unstable to place and easy to shake when being lifted due to the fact that rollers are in contact with the ground and support the device when the existing elevator is used.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a power maintenance companion ladder, includes the base, the top of base is equipped with lift platform, the top of base rotates the one end that is connected with two telescopic brackets, one side fixed mounting of base has the motor, it is connected with two bull sticks to rotate on the base, and the bull stick is connected with two telescopic bracket transmission, the output shaft of motor is connected with the bull stick transmission that corresponds, the bottom of base rotates and is connected with the runner that four symmetries set up, be equipped with support fixed establishment on the base, support fixed establishment and bull stick transmission and be connected, two bull stick transmission are connected, the top fixed mounting of base has the handrail.
Preferably, the support fixing mechanism comprises four symmetrically arranged support columns, the four support columns are slidably mounted on the base, and a base plate is fixedly mounted at the bottom ends of the support columns.
Preferably, the top of base has seted up the sliding tray that two symmetries set up, and the sliding tray rotates with the bull stick that corresponds to be connected, bull stick and movable block threaded connection, and the movable block rotates with the one end of the telescopic bracket that corresponds to be connected.
Preferably, the belt pulley is fixedly sleeved on the rotating rod, and the two belt pulleys are connected with the same belt in a transmission manner.
Preferably, four symmetrically arranged placing cavities are formed in the base, worm wheels are rotationally connected to the inner walls of the placing cavities, the worm wheels are in threaded connection with corresponding support columns, two worms are fixedly mounted on the rotating rods, and the worms are meshed with the corresponding worm wheels.
Preferably, the top of support column fixed mounting has the baffle, and the bottom fixed mounting of baffle has reset spring, reset spring's bottom and base fixed connection.
Preferably, two movable grooves are formed in the bottom of the lifting platform, positioning rods are fixedly mounted on the inner walls of the movable grooves, connecting blocks are connected to the positioning rods in a sliding mode, and the connecting blocks are connected with the tops of the corresponding telescopic supports in a rotating mode.
Compared with the prior art, the utility model has the advantages that:
according to the scheme, as the two belt pulleys are in transmission connection with the belt, and the rotating rods are in threaded connection with the moving block, the output shaft of the motor can drive the two rotating rods to rotate simultaneously, and then the telescopic bracket can be driven to change the angle, so that the height of the lifting platform can be adjusted;
Because the worm and the intermeshing of worm wheel, and the threaded connection of worm wheel and support column for pivoted bull stick can drive the support column and move down, and then can carry out fixed stay to the device through the backing plate, thereby can be convenient for carry out steady rest to the device.
The lifting platform lifting device is simple in operation and convenient to use, lifting operation can be conveniently carried out on the lifting platform, the elevator can be conveniently maintained, and meanwhile, the lifting platform lifting device can be conveniently fixedly supported, so that the lifting platform lifting device is convenient for people to use.
Drawings
Fig. 1 is a schematic structural view of an elevator for power maintenance according to the present utility model;
Fig. 2 is a schematic side view of a power maintenance elevator according to the present utility model;
fig. 3 is a schematic diagram of a portion a of an elevator for power maintenance according to the present utility model.
In the figure: 1. a base; 2. a lifting platform; 3. a telescopic bracket; 4. a sliding groove; 5. a rotating rod; 6. a moving block; 7. a motor; 8. a support column; 9. a backing plate; 10. a baffle; 11. a return spring; 12. a worm; 13. a worm wheel; 14. a rotating wheel; 15. a protection plate; 16. an armrest; 17. the cavity is placed.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present embodiment, not all embodiments.
Example 1
Referring to fig. 1-3, a power maintenance elevator, including base 1, the top of base 1 is equipped with lift platform 2, the top of base 1 rotates the one end that is connected with two telescopic brackets 3, one side fixed mounting of base 1 has motor 7, it is connected with two bull sticks 5 to rotate on the base 1, bull stick 5 is connected with two telescopic brackets 3 transmission, the output shaft of motor 7 is connected with the runner 14 that corresponds bull stick 5 transmission, the bottom of base 1 rotates and is connected with four symmetry settings, be equipped with on the base 1 and support fixed establishment, support fixed establishment includes four support columns 8 that the symmetry set up, four support columns 8 slidable mounting is on base 1, the bottom fixed mounting of support column 8 has backing plate 9, support fixed establishment is connected with bull stick 5 transmission, two bull stick 5 transmission are connected, the top fixed mounting of base 1 has handrail 16.
In this embodiment, the sliding tray 4 that two symmetries set up has been seted up at the top of base 1, sliding tray 4 rotates with the bull stick 5 that corresponds to be connected, bull stick 5 rotates with movable block 6 threaded connection, movable block 6 rotates with the one end of the flexible support 3 that corresponds to be connected, fixed cover is equipped with the belt pulley on the bull stick 5, the transmission is connected with same belt on two belt pulleys, two movable slots have been seted up to the bottom of lift platform 2, fixed mounting has the locating lever on the inner wall of movable slot, sliding connection has the connecting block on the locating lever, the connecting block rotates with the top of the flexible support 3 that corresponds to be connected, the output shaft of motor 7 drives two bull sticks 5 simultaneously through the transmission connection of two belt pulleys and belt, pivoted bull stick 5 drives flexible support 3 through the threaded connection with movable block 6 and carries out the angle change, and then can drive lift platform 2 and go up and down.
In this embodiment, set up four symmetrical placement cavity 17 that set up on the base 1, it is connected with worm wheel 13 to place on the inner wall in cavity 17 to rotate, worm wheel 13 and corresponding support column 8 threaded connection, fixed mounting has two worms 12 on the bull stick 5, worm 12 and corresponding worm wheel 13 intermeshing, baffle 10 is fixed mounting on the top of support column 8, return spring 11 is fixed mounting in the bottom of baffle 10, return spring 11's bottom and base 1 fixed connection, pivoted bull stick 5 drives worm wheel 13 through the intermeshing of worm 12 and worm wheel 13 and rotates, pivoted worm wheel 13 drives support column 8 downwardly moving through the threaded connection with support column 8, support column 8 carries out fixed stay to the device through backing plate 9, be convenient for people fixed stay use.
The theory of operation, during operation removes the position that needs the maintenance with the device, starter motor 7 switch, the output shaft of motor 7 drives two bull stick 5 and rotates simultaneously through the transmission connection of two belt pulleys and belt, pivoted bull stick 5 drives telescopic bracket 3 through the threaded connection with movable block 6 and carries out the angle variation, and then can drive lift platform 2 and go up and down, simultaneously pivoted bull stick 5 drives worm wheel 13 through worm 12 and worm wheel 13's intermeshing and rotates, pivoted worm wheel 13 drives support column 8 downwardly moving through the threaded connection with support column 8, support column 8 carries out fixed support to the device through backing plate 9, people's fixed support uses of being convenient for.
Example two
The difference between the second embodiment and the first embodiment is that the protection plate 15 is installed at the top of the lifting platform 2, and the protection plate 15 is arranged to be convenient for isolating and protecting the user.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.