CN222007188U - A building material lift - Google Patents

Abstract

The utility model discloses a building material lifter, which comprises a base, wherein two pairs of bottom racks are arranged on the base, the two pairs of bottom racks are symmetrically arranged on the base, a pair of bottom mounting plates are arranged on each pair of bottom racks, the building material lifter relates to the technical field of lifters, an extension rack and the bottom racks are spliced according to the lifting height of building materials, the extension rack can be spliced continuously, the lifting height of a workbench is prolonged, after the lifting height of the workbench is spliced, the bottom racks, the extension rack and the extension rack are in a continuous state, a connecting plate is arranged at the topmost position, a walking motor drives a gear to rotate, the gear is meshed with the bottom racks and the extension racks in sequence, the workbench is driven to rise to the target height, meanwhile, the rolling motor drives a rotating roller to rotate, a safety rope is wound on the rotating roller, the safety rope is lifted on the workbench, and the workbench is prevented from falling down due to failure of the walking motor, and the safety coefficient is high.

Description

Building material lifter

Technical Field

The utility model relates to the technical field of elevators, in particular to a building material elevator.

Background

In building construction, it is often necessary to use an elevator to raise and lower a building material. Some elevators adopt a scissor lifting structure to realize lifting, for example, a safe elevator for building construction with the publication number of CN218371648U discloses a base, the bottom end of the base is fixedly connected with universal wheels, the upper end of one side of the base is fixedly connected with a push-pull rod, the top end of the base is fixedly connected with a scissor hydraulic elevator body, the top end of the scissor hydraulic elevator body is fixedly connected with a lifting plate, the inside of the lifting plate is movably connected with a moving mechanism, the top end of the lifting plate is movably connected with an operation frame, and the back surface of the inner bottom wall of the operation frame is movably connected with a transfer structure; in the patent document, the lifting is realized by using a scissor type hydraulic lifter body, the limiting height of the lifting cannot be adjusted according to actual use, the lifting range is limited, only one lifting power is set, and if the lifting plate fails in use, the lifting plate is easy to fall down, so that the safety coefficient is low;

in view of the above problems, there may be a solution in the prior art, but the present disclosure is intended to provide an alternative or alternative solution.

Disclosure of utility model

In order to solve the problems proposed in the background art, the utility model is realized by the following technical scheme: the building material lifter comprises a base, wherein two pairs of bottom racks are arranged on the base, the two pairs of bottom racks are symmetrically arranged on the base, a pair of bottom mounting plates are arranged on each pair of bottom racks, an extension structure is arranged on each pair of bottom racks, and lifting structures are also arranged on the two pairs of bottom racks;

The extension structure comprises a pair of extension racks, each extension rack is respectively arranged at the end part of each bottom rack through a connecting component, a pair of extension mounting plates are arranged on the pair of extension racks, a connecting plate is arranged on the pair of extension mounting plates, a rolling component is arranged on the connecting plate, two safety ropes are arranged on the rolling component, supporting frames are respectively sleeved on the two safety ropes, the supporting frames are arranged on the connecting plate, one end of each supporting frame is of a bending structure, and the other end of each supporting frame is of a horn-shaped structure;

the lifting structure comprises two pairs of power components, the two pairs of power components are respectively arranged on the two pairs of bottom racks, a workbench is arranged on the two pairs of power components, and the end parts of the two safety ropes are arranged on the workbench.

Preferably, the connecting assembly comprises two bottom mounting holes, the two bottom mounting holes are formed in one end of a bottom rack, the two extension mounting holes are formed in two ends of the extension rack, a fixing plate is movably attached to the upper side wall surface of the bottom rack and the upper side wall surface of the extension rack, and four first bolts are inserted into the fixing plate and are respectively inserted into the two bottom mounting holes and the two extension mounting holes.

Preferably, the rolling assembly comprises two rolling motors, the two rolling motors are arranged on the connecting plate, the driving ends of the two rolling motors are provided with rotating rollers, and the two safety ropes are symmetrically wound on the rotating rollers.

Preferably, the power assembly comprises a walking motor, the walking motor is arranged on the workbench, a gear is sleeved on the driving end of the walking motor, and the gear is matched with the bottom rack and the extension rack.

Preferably, the bottom mounting plate and the extension mounting plate are provided with two fixing holes, the connecting plate is inserted with a second bolt, and one end of the second bolt is inserted into the fixing holes.

Preferably, guide grooves are formed in the bottom end racks and the extension racks, a sliding block is mounted on the workbench, and the sliding block is movably mounted on the guide grooves.

Advantageous effects

The utility model provides a building material lifter, which has the following beneficial effects compared with the prior art: according to the lifting height of building materials, the extension rack and the bottom rack are spliced, the extension rack can be spliced continuously, the lifting height of the workbench is prolonged, after splicing, the bottom rack, the extension rack and the extension rack are in continuous states, the connecting plate is arranged at the topmost position, the walking motor drives the gear to rotate, the gear is meshed with the bottom rack and the extension rack successively, the workbench is driven to rise to the target height, meanwhile, the rolling motor drives the rotating roller to rotate, the safety rope is wound on the rotating roller, the workbench is hoisted by the safety rope, and the falling of the workbench caused by failure of the walking motor is prevented.

Drawings

Fig. 1 is a schematic diagram of a cross-sectional front view of a building material elevator of the present utility model.

Fig. 2 is a schematic top view of a building material elevator according to the present utility model.

Fig. 3 is a schematic view of a partial three-dimensional structure of a building material elevator according to the present utility model.

In the figure: 1. the device comprises a base, 2, a bottom rack, 3, a bottom mounting plate, 4, an extension rack, 5, an extension mounting plate, 6, a connecting plate, 7, a safety rope, 8, a supporting frame, 9, a workbench, 10, a fixing plate, 11, a first bolt, 12, a rolling motor, 13, a rotating roller, 14, a walking motor, 15, a gear, 16, a second bolt, 17 and a sliding block.

Detailed Description

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: all electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, the electric connection of all electric parts is completed according to the working sequence in the following working principles, the detailed connection means is known in the art, the working principle and the working process are mainly described below, without explaining the electric control, referring to fig. 1-3, the base 1 is arranged at a target position, the extension rack 4 and the bottom rack 2 are spliced according to the lifting height of building materials, the extension rack 4 can be spliced continuously, the lifting height of the workbench 9 is prolonged, when the extension rack 4 and the bottom rack 2 are spliced, the fixing plate 10 is attached to the connection position of the extension rack 4 and the bottom rack 2, the first bolt 11 is inserted into the corresponding bottom end mounting hole and the corresponding extension mounting hole, when two extension racks 4 are spliced, the fixing plate 10 is attached to the connecting position of the two extension racks 4, the first bolt 11 is inserted into the corresponding extension mounting hole, after splicing, the bottom end racks 2, the extension racks 4 and the extension racks 4 are in continuous states, if the extension racks 4 are not required to be spliced on the bottom end racks 2, the connecting plate 6 is arranged on the bottom end mounting plate 3, if the extension racks 4 are spliced on the bottom end racks 2, the connecting plate 6 is arranged on the topmost extension mounting plate 5, the workbench 9 is used for placing building materials, the walking motor 14 works, the gear 15 is driven to rotate, the gear 15 is meshed with the bottom end racks 2 and the extension racks 4 in sequence, the workbench 9 is driven to rise to the target height, meanwhile the rolling motor 12 works, the rotating roller 13 is driven to rotate, the safety rope 7 is wound on the rotating roller 13, so that the safety rope 7 is used for hoisting the workbench 9, the workbench 9 is prevented from falling down due to the failure of the travelling motor 14, the safety coefficient is high, the supporting frame 8 plays a role in supporting the safety rope 7, and the rolling motor 12 and the travelling motor 14 work in the opposite direction, namely the workbench 9 is lowered;

The rolling motor 12 and the walking motor 14 adopt a power-off self-locking motor, so that the workbench 9 can be stopped at any height, and the working principle of the power-off self-locking motor is that a power-off locking device is arranged in a motor control system, when a power supply is disconnected, the power-off locking device prevents the motor from running by locking a rotor of the motor, and when the power supply is recovered, the power-off locking device can be automatically unlocked to allow the motor to continue running;

Preferably, two fixing holes are formed in the bottom end mounting plate 3 and the extension mounting plate 5, a second bolt 16 is inserted into the connecting plate 6, and one end of the second bolt 16 is inserted into the fixing holes;

Preferably, the bottom rack 2 and the extension rack 4 are provided with guide grooves, the workbench 9 is provided with a sliding block 17, and the sliding block 17 is movably arranged on the guide grooves.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The building material lifter comprises a base (1), wherein two pairs of bottom racks (2) are arranged on the base (1), the two pairs of bottom racks (2) are symmetrically arranged on the base (1), and each pair of bottom racks (2) is provided with a pair of bottom mounting plates (3), and the building material lifter is characterized in that each pair of bottom racks (2) is provided with an extension structure, and the two pairs of bottom racks (2) are also provided with lifting structures;

The extension structure comprises a pair of extension racks (4), each extension rack (4) is respectively installed at the end part of each bottom rack (2) through a connecting component, a pair of extension mounting plates (5) are installed on each extension rack (4), a pair of connecting plates (6) are installed on each extension mounting plate (5), a rolling component is installed on each connecting plate (6), two safety ropes (7) are installed on each rolling component, supporting frames (8) are respectively sleeved on the two safety ropes (7), each supporting frame (8) is installed on each connecting plate (6), one end of each supporting frame (8) is of a bending structure, and the other end of each supporting frame (8) is of a horn-shaped structure;

The lifting structure comprises two pairs of power components, the two pairs of power components are respectively arranged on the two pairs of bottom racks (2), a workbench (9) is arranged on the two pairs of power components, and the ends of the two safety ropes (7) are arranged on the workbench (9).

2. The building material lifter according to claim 1, wherein the connecting assembly comprises two bottom end mounting holes, the two bottom end mounting holes are formed in one end of the bottom end rack (2), the two extension mounting holes are formed in two ends of the extension rack (4), a fixing plate (10) is movably attached to the upper side wall surfaces of the bottom end rack (2) and the extension rack (4), four first bolts (11) are inserted into the fixing plate (10), and the four first bolts (11) are respectively inserted into the two bottom end mounting holes and the two extension mounting holes.

3. A building material elevator according to claim 1, characterized in that the rolling assembly comprises two rolling motors (12), two rolling motors (12) are mounted on the connecting plate (6), the driving ends of the two rolling motors (12) are provided with rotating rollers (13), and the two safety ropes (7) are symmetrically wound on the rotating rollers (13).

4. A building material elevator according to claim 1, characterized in that the power assembly comprises a travelling motor (14), the travelling motor (14) is mounted on the workbench (9), a gear (15) is sleeved on the driving end of the travelling motor (14), and the gear (15) is mutually matched with the bottom rack (2) and the extension rack (4).

5. The building material lifter according to claim 1, characterized in that two fixing holes are formed in the bottom end mounting plate (3) and the extension mounting plate (5), a second bolt (16) is inserted into the connecting plate (6), and one end of the second bolt (16) is inserted into the fixing hole.

6. The building material lifter according to claim 1, characterized in that guide grooves are formed in the bottom rack (2) and the extension rack (4), a sliding block (17) is mounted on the workbench (9), and the sliding block (17) is movably mounted on the guide grooves.