Construction hoist

Abstract

The utility model relates to the technical field of elevators, in particular to a construction elevator which comprises an elevator car body, a car bottom is fixedly arranged at the lower end of the elevator car body, a movable supporting plate is arranged on the top face of the car bottom, two clamping blocks are connected to the top face of the movable supporting plate in a sliding mode, and a driving assembly is arranged on the side, away from a car door of the elevator car body, of the movable supporting plate. A double-shaft motor is arranged on the driving assembly, a groove is formed in the top face of the car bottom, an electric hydraulic cylinder is arranged in the groove, a sliding assembly is arranged on the side, close to the car door, of the bottom face of the movable supporting plate, a sliding block is arranged on the sliding assembly, the driving assembly comprises a U-shaped block, and the bottom face of the U-shaped block is fixedly connected with the top face of the movable supporting plate. The L-shaped block clamps and limits construction materials on the movable supporting plate, sliding of the construction materials in the transportation process is reduced, the construction materials slide from the inclined movable supporting plate and are discharged, rapid discharging of the construction materials is facilitated, and the transportation and use efficiency of the construction materials is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lift, especially a construction lift. BACKGROUND

[0002] The construction lift, also known as construction elevator, outdoor elevator or construction lift for building, is a kind of construction machinery for carrying people and goods, which can run up and down along the rigid guide rail, and the construction elevator is composed of a car, a driving mechanism, a standard section, a wall attachment, a chassis, a fence, an electrical system and other parts, and is a kind of construction machinery for carrying people and goods frequently used in building.

[0003] According to the search, the Chinese patent with the publication number CN213505497U provides a construction lift, which includes a power storage system, a brushless permanent magnet DC motor, a drive control system, a speed reducer, a transmission mechanism, a standard section and a car. The speed reducer drives the transmission mechanism to move the car along the length direction of the standard section. The construction lift does not need cable movement during the ascending and descending process of the car, which avoids the safety hazards caused by the cable, thereby solving the technical problem of safety hazards caused by carrying cables during the ascending and descending process of the construction lift in the prior art.

[0004] However, it is found in the use process that the car bottom is mostly horizontal, and the operation of discharging is relatively cumbersome when transporting construction materials. For the building construction site that needs to frequently transport heavy objects up and down, this design not only reduces the work efficiency, but also limits the flexibility and adaptability of construction material transportation, thereby limiting the use efficiency of the lift. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a construction lift, which reduces the occurrence of sliding during the transportation of construction materials, and the construction materials slide and discharge from the inclined movable supporting plate, which facilitates the rapid unloading of construction materials and improves the transportation efficiency of construction materials.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a construction lift, comprising a car body, a car bottom is fixedly arranged at the lower end of the car body, a movable supporting plate is arranged on the top surface of the car bottom, two clamping blocks are slidably connected to the top surface of the movable supporting plate, a driving assembly is arranged on the side of the movable supporting plate away from the door of the car body, a double-shaft motor is arranged on the driving assembly, a groove is formed in the top surface of the car bottom, an electric hydraulic cylinder is arranged in the groove, a sliding assembly is arranged on the side of the bottom surface of the movable supporting plate close to the door, and a sliding block is arranged on the sliding assembly.

[0007] Preferably, the driving assembly comprises a U-shaped block, the bottom surface of the U-shaped block is fixedly connected with the top surface of the movable supporting plate, the inner wall of the U-shaped block is fixedly provided with a guide rail, the guide rail is slidably connected with two L-shaped blocks, and the top surface of the U-shaped block is fixedly provided with a protective plate.

[0008] Through the technical scheme, the L-shaped block slides along the guide rail, and the stability of the movement of the L-shaped block is improved.

[0009] Preferably, the output shaft of the double-shaft motor is coaxially connected with a screw rod, the screw threads of the two screw rods are opposite in rotation direction, the L-shaped block is threadedly connected with the screw rod through a threaded hole, the outer peripheral wall of the two ends of the screw rod is rotatably connected with the U-shaped block, and one end of the L-shaped block is fixedly connected with the clamping block.

[0010] Through the technical scheme, the screw rod is driven to rotate along the U-shaped block by the double-shaft motor, the L-shaped block is driven to slide along the guide rail by the screw rod, and the two L-shaped blocks are close to each other.

[0011] Preferably, the groove is provided with a plurality of inclined heat dissipation holes in a uniform arrangement structure at one end of the groove, the electric hydraulic cylinder is rotatably connected with a first hinge seat, and the bottom surface of the first hinge seat is fixedly connected with the groove bottom.

[0012] Through the technical scheme, the heat generated during use of the electric hydraulic cylinder is conveniently dissipated through the inclined heat dissipation holes.

[0013] Preferably, the piston rod of the electric hydraulic cylinder is rotatably connected with a second hinge seat, the top surface of the second hinge seat is fixedly connected with the bottom surface of the movable supporting plate, and the movable supporting plate is inclined on the side close to the door of the car body.

[0014] Through the technical scheme, the side of the movable supporting plate away from the electric hydraulic cylinder is conveniently abutted with the floor of the corresponding floor.

[0015] Preferably, the sliding assembly comprises a pin shaft, the pin shaft is fixedly arranged on the upper end of the sliding block, the outer peripheral wall of the pin shaft is rotatably connected with a rotating block, and the top surface of the rotating block is fixedly connected with the bottom surface of the movable supporting plate.

[0016] Through the technical scheme, the second hinge seat drives the rotating block to rotate along the pin shaft, so that the movable supporting plate is inclined.

[0017] Preferably, the top surface of the car bottom is provided with a trapezoidal groove, the lower end of the trapezoidal groove is communicated with a limiting groove, and the limiting groove is slidably connected with a limiting block.

[0018] Preferably, the top surface of the limiting block is fixedly connected with the bottom surface of the sliding block, and the limiting groove is inclined.

[0019] Through the technical scheme, the sliding block slides along the trapezoidal groove, and the limiting block slides along the limiting groove, so that the sliding block moves upward while sliding.

[0020] The utility model discloses the beneficial effect that:

[0021] 1. The construction material of needing conveying is placed on the movable apron, then through the double shaft motor drive screw along the U -shaped piece rotation, and the screw drive L -shaped piece along the guide rail sliding, make two L -shaped pieces close to each other, and L -shaped piece drives the clamping block synchronous movement, and L -shaped piece carries out clamping and limiting to the construction material on movable apron, reduced the construction material sliding that occurs in the transportation process, avoided in the transportation process and shift, improved the security of transportation, adapted to the construction material of different size, strengthened the flexibility and adaptability of elevator.

[0022] 2. When the construction material of movable apron is unloaded, the piston rod of electric hydraulic cylinder pushes the second hinge base to move to the direction of sliding assembly, and the heat generated when the electric hydraulic cylinder is used is conveniently radiated through the inclined heat dissipation hole, so that the performance decline or failure caused by overheating is avoided, and the service life of the equipment is prolonged.

[0023] 3. The second hinge base drives the movable apron to move synchronously, the movable apron drives the rotating block to move synchronously, so that the rotating block drives the sliding block and the limiting block to move through the pin shaft, the sliding block slides along the trapezoidal groove, and the limiting block slides along the limiting groove, so that the sliding block moves upward while sliding, pushes the bottom surface of the movable apron away from the car bottom, and as the piston rod of the electric hydraulic cylinder continuously extends, the second hinge base pushes the rotating block to rotate along the pin shaft, so that the movable apron is inclined, and the side of the movable apron away from the electric hydraulic cylinder abuts against the floor of the corresponding floor, and at the same time, the clamping blocks on both sides are returned to the initial position through the driving assembly, at this time, the construction material slides and is discharged from the inclined movable apron, so that the rapid unloading of the construction material is facilitated, and after unloading is completed, the movable apron is returned to the initial position and contacts the car bottom through the electric hydraulic cylinder, so that the transportation and use efficiency of the construction material is improved. DRAWINGS

[0024] Figure 1 It is the whole structure schematic diagram of the utility model;

[0025] Figure 2 It is the car bottom structure schematic diagram of the utility model;

[0026] Figure 3 It is the U -shaped piece structure schematic diagram of the utility model;

[0027] Figure 4 It is the car bottom structure cross section perspective view of the utility model;

[0028] Figure 5 It is the movable apron structure schematic diagram of the utility model;

[0029] Figure 6 The utility model discloses a slider structure schematic view.

[0030] In the drawing: 1, car body; 2, car bottom; 3, movable supporting plate; 4, clamping block; 5, drive assembly; 501, double-shaft motor; 502, U-shaped block; 503, guide rail; 504, L-shaped block; 505, screw rod; 506, protective plate; 6, recess; 7, electric hydraulic cylinder; 8, sliding assembly; 801, slider; 802, pin shaft; 803, rotating block; 804, trapezoidal groove; 805, limiting groove; 806, limiting block; 9, inclined heat dissipation hole; 10, first hinge base; 11, second hinge base. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below with the help of the drawings in the specification.

[0032] Embodiment one

[0033] As shown in Figure 1 Fig. 4, the embodiment provides a construction elevator, which comprises a car body 1, the lower end of the car body 1 is fixedly provided with a car bottom 2, the top surface of the car bottom 2 is provided with a movable supporting plate 3, the top surface of the movable supporting plate 3 is slidably connected with two clamping blocks 4, the side of the movable supporting plate 3 away from the car door of the car body 1 is provided with a drive assembly 5, the drive assembly 5 is provided with a double-shaft motor 501, the top surface of the car bottom 2 is provided with a recess 6, the inside of the recess 6 is provided with an electric hydraulic cylinder 7, the bottom surface of the movable supporting plate 3 is provided with a sliding assembly 8 near the car door, and the sliding assembly 8 is provided with a slider 801.

[0034] The drive assembly 5 comprises a U-shaped block 502, the bottom surface of the U-shaped block 502 is fixedly connected with the top surface of the movable supporting plate 3, the inner wall of the U-shaped block 502 is fixedly provided with a guide rail 503, the guide rail 503 is slidably connected with two L-shaped blocks 504, and the top surface of the U-shaped block 502 is fixedly provided with a protective plate 506; the L-shaped blocks 504 slide along the guide rail 503, and the stability of the movement of the L-shaped blocks 504 is improved.

[0035] The output shafts of the double-shaft motor 501 are respectively coaxially connected with screw rods 505, the screw threads of the two screw rods 505 rotate in opposite directions, the L-shaped blocks 504 are threadedly connected with the screw rods 505 through screw holes, the outer circumferential walls of the two ends of the screw rods 505 are respectively rotatably connected with the U-shaped block 502, and one end of the L-shaped block 504 is fixedly connected with the clamping block 4; the screw rods 505 are driven to rotate along the U-shaped block 502 by the double-shaft motor 501, the screw rods 505 drive the L-shaped blocks 504 to slide along the guide rail 503, and the two L-shaped blocks 504 are close to each other.

[0036] Working principle: first, the construction materials to be transported are placed on the movable supporting plate 3, then the double-shaft motor 501 drives the lead screw 505 to rotate along the U-shaped block 502, the lead screw 505 drives the L-shaped block 504 to slide along the guide rail 503, so that the two L-shaped blocks 504 approach each other, the L-shaped block 504 drives the clamping block 4 to move synchronously, the L-shaped block 504 clamps and limits the construction materials on the movable supporting plate 3, reduces the sliding of the construction materials during transportation, avoids shaking and displacement during transportation, improves the safety of transportation, adapts to construction materials of different sizes, and enhances the flexibility and adaptability of the elevator.

[0037] Example two

[0038] As Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 indicated, on the basis of example one, a plurality of inclined heat dissipation holes 9 are arranged in the groove wall of one end of the groove 6, the electric hydraulic cylinder 7 is rotatably connected with a first hinge base 10, and the bottom surface of the first hinge base 10 is fixedly connected with the groove bottom of the groove 6; the inclined heat dissipation holes 9 facilitate heat dissipation of the electric hydraulic cylinder 7 during use.

[0039] The piston rod of the electric hydraulic cylinder 7 is rotatably connected with a second hinge base 11, the top surface of the second hinge base 11 is fixedly connected with the bottom surface of the movable supporting plate 3, and the side of the movable supporting plate 3 close to the car door of the car body 1 is inclined; the side of the movable supporting plate 3 away from the electric hydraulic cylinder 7 is facilitated to abut against the floor of the corresponding floor.

[0040] The sliding assembly 8 includes a pin shaft 802, the pin shaft 802 is fixedly arranged on the upper end of the sliding block 801, the outer peripheral wall of the pin shaft 802 is rotatably connected with a rotating block 803, and the top surface of the rotating block 803 is fixedly connected with the bottom surface of the movable supporting plate 3; the second hinge base 11 drives the rotating block 803 to rotate along the pin shaft 802, so that the movable supporting plate 3 is inclined.

[0041] The top surface of the car bottom 2 is provided with a trapezoidal groove 804, the lower end of the trapezoidal groove 804 is communicated with a limiting groove 805, the limiting groove 805 is slidably connected with a limiting block 806 inside, the top surface of the limiting block 806 is fixedly connected with the bottom surface of the sliding block 801, and the limiting groove 805 is inclined; the sliding block 801 slides along the trapezoidal groove 804, and the limiting block 806 slides along the limiting groove 805, so that the sliding block 801 slides and moves upward at the same time.

[0042] When the construction material on the movable supporting plate 3 is unloaded, the piston rod of the electric hydraulic cylinder 7 pushes the second hinge base 11 to move in the direction of the sliding assembly 8, and the heat generated during use of the electric hydraulic cylinder 7 is conveniently dissipated through the inclined heat dissipation hole 9, so that the performance decline or failure caused by overheating is avoided, and the service life of the equipment is prolonged. At this time, the second hinge base 11 drives the movable supporting plate 3 to move synchronously, the movable supporting plate 3 drives the rotating block 803 to move synchronously, the rotating block 803 drives the sliding block 801 and the limiting block 806 to move through the pin shaft 802, the sliding block 801 slides along the trapezoidal groove 804, and the limiting block 806 slides along the limiting groove 805, so that the sliding block 801 slides and moves upward at the same time;

[0043] The bottom surface of the movable supporting plate 3 is separated from the car bottom 2, and as the piston rod of the electric hydraulic cylinder 7 continuously extends, the second hinge base 11 pushes the rotating block 803 to rotate along the pin shaft 802, so that the movable supporting plate 3 is in an inclined state, the side of the movable supporting plate 3 away from the electric hydraulic cylinder 7 abuts against the floor of the corresponding floor, and at the same time, the clamping blocks 4 on both sides are returned to the initial position through the driving assembly 5. At this time, the construction material slides and is discharged from the inclined movable supporting plate 3, so that the rapid unloading of the construction material is facilitated. After the unloading is completed, the movable supporting plate 3 is returned to the initial position and contacts the car bottom 2 through the electric hydraulic cylinder 7, so that the transportation and use efficiency of the construction material is improved.

[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A construction lift comprising a car body (1), characterized in that: The bottom end of the car body (1) is fixedly provided with a car bottom (2), the top surface of the car bottom (2) is provided with a movable supporting plate (3), the top surface of the movable supporting plate (3) is slidably connected with two clamping blocks (4), the side of the movable supporting plate (3) away from the car door of the car body (1) is provided with a driving assembly (5), the driving assembly (5) is provided with a double-shaft motor (501), the top surface of the car bottom (2) is provided with a groove (6), the inside of the groove (6) is provided with an electric hydraulic cylinder (7), and the bottom surface of the movable supporting plate (3) is provided with a sliding assembly (8) on the side close to the car door.

2. The construction elevator of claim 1, wherein: The driving assembly (5) comprises a U-shaped block (502), the bottom surface of the U-shaped block (502) is fixedly connected with the top surface of the movable supporting plate (3), the inner wall of the U-shaped block (502) is fixedly provided with a guide rail (503), the guide rail (503) is slidably connected with two L-shaped blocks (504), and the top surface of the U-shaped block (502) is fixedly provided with a protective plate (506).

3. The construction elevator of claim 2, wherein: The output shafts of the double-shaft motor (501) are respectively coaxially connected with lead screws (505), the screw rotation directions of the two lead screws (505) are opposite, the L-shaped blocks (504) are threadedly connected with the lead screws (505) through threaded holes, the outer peripheral walls of the two ends of the lead screw (505) are respectively rotatably connected with the U-shaped block (502), and one end of the L-shaped block (504) is fixedly connected with the clamping block (4).

4. The construction elevator of claim 3, wherein: The groove (6) is provided with a plurality of inclined heat dissipation holes (9) in a uniformly arranged structure on one end groove wall, the electric hydraulic cylinder (7) is rotatably connected with a first hinge seat (10), and the bottom surface of the first hinge seat (10) is fixedly connected with the groove bottom of the groove (6).

5. The construction elevator of claim 4, wherein: The piston rod of the electric hydraulic cylinder (7) is rotatably connected with a second hinge seat (11), the top surface of the second hinge seat (11) is fixedly connected with the bottom surface of the movable supporting plate (3), and the side of the movable supporting plate (3) close to the car door of the car body (1) is inclined.

6. The construction elevator of claim 1, wherein: The sliding assembly (8) comprises a pin shaft (802), the pin shaft (802) is fixedly arranged on the upper end of the sliding block (801), the outer peripheral wall of the pin shaft (802) is rotatably connected with a rotating block (803), and the top surface of the rotating block (803) is fixedly connected with the bottom surface of the movable supporting plate (3).

7. The construction elevator of claim 6, wherein: The top surface of the car bottom (2) is provided with a trapezoidal groove (804), the lower end of the trapezoidal groove (804) is communicated with a limiting groove (805), and the inside of the limiting groove (805) is slidably connected with a limiting block (806).

8. The construction elevator of claim 7, wherein: The top surface of the limiting block (806) is fixedly connected with the bottom surface of the sliding block (801), and the limiting groove (805) is inclined.

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