Safety lifting platform device for elevator shaft construction

Abstract

The utility model relates to the technical field of constructional engineering, in particular to an elevator shaft construction safety lifting platform device which comprises a supporting platform, a supporting assembly arranged on the supporting platform, a supporting piece arranged at the bottom of the supporting platform and a lifting limiting piece arranged on the supporting platform. The lifting limiting piece comprises a lower limiting roller arranged at the bottom of the supporting platform, an upper limiting roller arranged at the top of the supporting platform and a limiting supporting plate arranged at the end of the supporting platform, and the lifting platform is limited to move up and down in a fixed posture through the lower limiting roller and the upper limiting roller when being conveyed up and down in the elevator shaft; and therefore, the lifting platform is conveyed more smoothly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, especially an elevator shaft construction safety hoisting platform device. BACKGROUND

[0002] The elevator shaft construction safety hoisting platform device is a safety protection and operation platform equipment specially designed for elevator shaft construction, mainly used for solving the safety hidden troubles such as high-altitude falling and object striking existing in traditional construction, and improving construction efficiency, which is composed of a construction platform and a support frame.

[0003] In the use process, the hoisting platform device of the prior art is difficult to transport up and down in the elevator shaft because the lifting platform is similar in size to the elevator shaft, so that the lifting platform is blocked when moving up and down and collides with the inner wall of the elevator shaft, thereby causing the lifting platform to be difficult to transport. UTILITY MODEL CONTENTS

[0004] In view of the above or the existing problem that the lifting platform is difficult to transport, the utility model is provided.

[0005] Therefore, the utility model aims to provide an elevator shaft construction safety hoisting platform device.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] As an optimal scheme of the elevator shaft construction safety hoisting platform device of the utility model, the utility model comprises a support platform,

[0008] A support assembly is arranged on the support platform and comprises a support piece arranged at the bottom of the support platform and a lifting limiting piece arranged on the support platform.

[0009] The lifting limiting piece comprises a lower limiting roller arranged at the bottom of the support platform, an upper limiting roller arranged at the top of the support platform and a limiting support plate arranged at the end of the support platform.

[0010] When the support piece is inclined, the end of the lower limiting roller and the end of the upper limiting roller move in the direction away from each other.

[0011] As an optimal scheme of the elevator shaft construction safety hoisting platform device of the utility model, the support piece comprises a triangular support frame, the end of the support platform is provided with the triangular support frame, the end of the triangular support frame is provided with an inverted L-shaped clamping block, and the lower end of the triangular support frame is provided with a connecting plate.

[0012] As an optimal scheme of the elevator shaft construction safety lifting platform device of the utility model, wherein: the platform lifting assembly includes a platform piece arranged on the support platform, the end of the platform piece is provided with a driving piece, and the ends of the driving piece are arranged on the support platform and the connecting plate respectively.

[0013] As an optimal scheme of the elevator shaft construction safety lifting platform device of the utility model, wherein: the platform piece includes a lifting frame arranged on the support platform, the upper end of the lifting frame is provided with a construction platform, the lower end of the lifting frame is provided with a limiting sliding groove, the limiting sliding groove is provided with a lifting sliding rod, the end of the lifting sliding rod is provided with a limiting sliding block, and the side wall of the limiting sliding block is connected to the triangular support frame.

[0014] As an optimal scheme of the elevator shaft construction safety lifting platform device of the utility model, wherein: the driving piece includes a motor arranged on the support platform, the end of the motor is provided with a threaded rod, the middle of the threaded rod is provided with a driving block, the end of the threaded rod is arranged on the connecting plate, and the middle of the driving block is connected to the lifting sliding rod.

[0015] The elevator shaft construction safety lifting platform device has the beneficial effects that the lifting platform is limited to move up and down in a fixed posture when being transported in the elevator shaft, so that the lifting platform is transported more smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0017] Figure 1 The whole structure of the elevator shaft construction safety lifting platform device Figure 1 .

[0018] Figure 2 The whole structure of the elevator shaft construction safety lifting platform device Figure 2 .

[0019] Figure 3 The whole structure of the elevator shaft construction safety lifting platform device Figure 3 .

[0020] The labels in the figure respectively represent: 1, support platform; 2, support assembly; 21, support piece; 211, triangular support frame; 212, inverted L-shaped clamping block; 213, connecting plate; 22, lifting limiting piece; 221, limiting support plate; 222, lower limiting roller; 223, upper limiting roller; 3, platform lifting assembly; 31, platform piece; 311, lifting frame; 312, limiting sliding groove; 313, lifting sliding rod; 314, limiting sliding block; 315, construction platform; 32, driving piece; 321, motor; 322, threaded rod; 323, driving block. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purpose, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0022] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0023] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0024] Embodiment 1, refer to Figures 1 to 3 , the first embodiment of the present application, the embodiment provides a kind of elevator shaft construction safety lifting platform device, including support platform 1,

[0025] Specifically, the support assembly 2 provided on the support platform 1, including the support piece 21 provided on the bottom of the support platform 1 and the lifting limiting piece 22 provided on the support platform 1;And,

[0026] The lifting limiting piece 22 includes the lower limiting roller 222 provided on the bottom of the support platform 1, the upper limiting roller 223 provided on the top of the support platform 1 and the limiting support plate 221 provided on the end of the support platform 1;Wherein,

[0027] The end of the lower limiting roller 222 and the end of the upper limiting roller 223 move in the direction away from each other when the support piece 21 is inclined;

[0028] The support platform 1 is provided with a platform lifting assembly 3;

[0029] Further, the bottom of the support platform 1 is connected with support pieces 21 at both front and back ends, and the left and right ends of the support platform 1 are connected with lifting limiting pieces 22.

[0030] The lifting limiting piece 22 comprises a limiting support plate 221, the right end of the top of the support platform 1 is fixedly connected with the limiting support plate 221, the left end of the top of the support platform 1 is fixedly connected with upper limiting rollers 223 at both front and back sides, and the right end of the bottom of the support platform 1 is fixedly connected with upper limiting rollers 223 at both front and back sides.

[0031] Specifically, the support piece 21 comprises a triangular support frame 211, the end of the support platform 1 is provided with the triangular support frame 211, the end of the triangular support frame 211 is provided with an inverted L-shaped clamping block 212, and the lower end of the triangular support frame 211 is provided with a connecting plate 213.

[0032] Further, the bottom of the support platform 1 is fixedly connected with triangular support frames 211 at both front and back ends, the lower end of the triangular support frame 211 is fixedly connected with the inverted L-shaped clamping block 212, and the connecting plate 213 is fixedly connected between the lower ends of the two groups of triangular support frames 211.

[0033] When the support platform 1 needs to be transported, the right end of the support platform 1 is pulled first, at this time, the support platform 1 drives the triangular support frame 211 and the inverted L-shaped clamping block 212 to rotate to the right side, the triangular support frame 211 simultaneously drives the lower limiting roller 222 and the end of the upper limiting roller 223 to move in the direction of approaching the inner wall of the elevator shaft, when the inverted L-shaped clamping block 212 pushes the elevator entrance platform, the lower limiting roller 222 and the upper limiting roller 223 are in contact with the inner wall of the elevator shaft, at this time, the relative positions of the support platform 1, the triangular support frame 211 and the connecting plate 213 are fixed under the limiting of the lower limiting roller 222 and the upper limiting roller 223, at this time, the support platform 1 is pulled, and the up-down transportation of the support platform 1 is more smooth under the limiting and assistance of the lower limiting roller 222 and the upper limiting roller 223, when the support platform 1 moves to the required position, the left end of the support platform 1 is pulled and the right end of the support platform 1 is lowered, at this time, the support platform 1 drives the triangular support frame 211 and the inverted L-shaped clamping block 212 to rotate to the left to be clamped on the elevator entrance platform by the inverted L-shaped clamping block 212, at this time, the side wall of the limiting support plate 221 is in contact with the side wall of the elevator shaft, at this time, the locking of the support platform 1 is completed under the limiting of the limiting support plate 221 and the inverted L-shaped clamping block 212.

[0034] Embodiment 2, refer to Figures 1 to 3 , the second embodiment of the utility model, different from the last embodiment, it includes platform lifting assembly 3,

[0035] Specifically, the platform member 31 is arranged on the support platform 1, and the end of the platform member 31 is provided with a driving member 32, and the end of the driving member 32 is arranged on the support platform 1 and the connecting plate 213 respectively.

[0036] Further, the upper end of the platform member 31 penetrates through the support platform 1 and is connected with the support platform 1, the lower end of the platform member 31 is connected with the driving member 32, the upper end of the driving member 32 is connected on the bottom of the support platform 1, and the lower end of the driving member 32 is connected on the connecting plate 213.

[0037] Specifically, the platform member 31 comprises a lifting frame 311 arranged on the support platform 1, the upper end of the lifting frame 311 is provided with a construction platform 315, the lower end of the lifting frame 311 is provided with a limiting sliding groove 312, the limiting sliding groove 312 is provided with a lifting sliding rod 313, and the end of the lifting sliding rod 313 is provided with a limiting sliding block 314, and the side wall of the limiting sliding block 314 is connected with the triangular support frame 211.

[0038] Further, the upper end of the lifting frame 311 penetrates through the support platform 1 and is connected with the support platform 1, the upper end of the lifting frame 311 penetrates through the support platform 1 and is connected with the support platform 1, the top of the lifting frame 311 is fixedly connected with the construction platform 315, the lower end of the lifting frame 311 is provided with a motor 321, the lifting sliding rod 313 penetrates through the limiting sliding groove 312 and is connected with the limiting sliding groove 312 in a sliding mode, and the two ends of the lifting sliding rod 313 are fixedly connected with the limiting sliding blocks 314, and the ends of the limiting sliding blocks 314 away from each other are respectively connected with the triangular support frames 211 closest to each other in a sliding mode.

[0039] Specifically, the driving member 32 comprises a motor 321 arranged on the support platform 1, the end of the motor 321 is provided with a threaded rod 322, the middle of the threaded rod 322 is provided with a driving block 323, the end of the threaded rod 322 is arranged on the connecting plate 213, and the middle of the driving block 323 is connected with the lifting sliding rod 313.

[0040] Further, the right end of the support platform 1 is fixedly connected with the motor 321, the output end of the motor 321 is fixedly connected with the threaded rod 322, the lower end of the threaded rod 322 is rotatably connected with the connecting plate 213, the middle of the lifting sliding rod 313 is fixedly connected with the driving block 323, and the threaded rod 322 penetrates through the driving block 323 and is threadedly connected with the driving block 323.

[0041] When the support platform 1 is fixed in position and needs to be raised for construction, the motor 321 is started, the motor 321 drives the driving block 323 to move upward through the threaded rod 322, the driving block 323 drives the lifting slide rod 313 and the limiting sliding block 314 to move upward, the lifting slide rod 313 slides in the limiting sliding groove 312 while driving the lifting frame 311 to move upward, the lifting frame 311 drives the construction platform 315 to move upward, thereby achieving the lifting of the construction position, and all position lifting construction can be completed without laying another platform.

[0042] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. An elevator shaft construction safety hoist platform apparatus, characterized by: Including support platform (1), Support assembly (2) provided on the support platform (1), including support piece (21) provided on the bottom of support platform (1) and lifting limiting piece (22) provided on the support platform (1); and, The lifting limiting piece (22) comprises a lower limiting roller (222) arranged at the bottom of the support platform (1), an upper limiting roller (223) arranged at the top of the support platform (1), and a limiting support plate (221) arranged at the end of the support platform (1); wherein, When the support piece (21) is inclined, the end of the lower limiting roller (222) and the end of the upper limiting roller (223) move away from each other; The support platform (1) is provided with a platform lifting assembly (3).

2. The elevator shaft construction safety hoistway platform assembly of claim 1, wherein: The support piece (21) comprises a triangular support frame (211), the end of the support platform (1) is provided with a triangular support frame (211), the end of the triangular support frame (211) is provided with an inverted L-shaped clamping block (212), and the lower end of the triangular support frame (211) is provided with a connecting plate (213).

3. The elevator shaft construction safety hoistway platform assembly of claim 2, wherein: The platform lifting assembly (3) comprises a platform piece (31) arranged on the support platform (1), the end of the platform piece (31) is provided with a driving piece (32), and the end of the driving piece (32) is arranged on the support platform (1) and the connecting plate (213) respectively.

4. The elevator shaft construction safety hoistway platform assembly of claim 3, wherein: The platform piece (31) comprises a lifting frame (311) arranged on the support platform (1), the upper end of the lifting frame (311) is provided with a construction platform (315), the lower end of the lifting frame (311) is provided with a limiting sliding groove (312), the limiting sliding groove (312) is provided with a lifting sliding rod (313), the end of the lifting sliding rod (313) is provided with a limiting sliding block (314), and the side wall of the limiting sliding block (314) is connected to the triangular support frame (211).

5. The elevator shaft construction safety hoistway platform assembly of claim 4, wherein: The driving piece (32) comprises a motor (321) arranged on the support platform (1), the end of the motor (321) is provided with a threaded rod (322), the middle of the threaded rod (322) is provided with a driving block (323), the end of the threaded rod (322) is arranged on the connecting plate (213), and the middle of the driving block (323) is connected to the lifting sliding rod (313).

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