Fabricated subway station steel pipe column hoisting and fixing device

Abstract

The utility model relates to the technical field of hoisting devices, and particularly discloses an assembly type subway station steel pipe column hoisting fixing device which comprises a hoisting frame, a hoisting head is fixedly connected to the center of the upper end face of the hoisting frame, and connectors are fixedly connected to the two ends of the hoisting frame. The outer ends of the two connectors are fixedly connected with inner supporting mechanisms through hoisting ropes. The inner supporting mechanism comprises a center column, and a supporting assembly capable of expanding outwards is arranged at the outer end of the center column. A threaded part is arranged in the middle of the center column, and the outer end of the threaded part is sleeved with a threaded sleeve in a threaded mode. According to the steel pipe column hoisting device, the steel pipe column is hoisted by pulling the two inner supporting mechanisms, and the inner supporting mechanisms are arranged on the inner side of the steel pipe column and do not make frictional contact with the outer surface of the steel pipe column, so that it is guaranteed that the appearance of the steel pipe column is complete, stress is uniform, and the situation that butt joint is affected by deformation of a port of the steel pipe column is not prone to occurring during hoisting.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist device technical field, concretely relates to a kind of assembly subway station steel pipe column hoist fixing device. BACKGROUND

[0002] In modern subway construction, subway station as key infrastructure, its structural stability and construction efficiency are crucial. Subway station usually uses steel pipe column as the important component of vertical bearing structure, bears the transmission task from upper structure and various operating loads.

[0003] In the construction process of steel pipe column, hoisting operation is a key link, traditional steel pipe column hoisting mode is usually connected with steel pipe column by rope or lifting hook, then hoisting is carried out by the cooperation of hoisting equipment, but when steel pipe column is hoisted by rope, rope is prone to friction between steel pipe column, resulting in the wear and tear and paint drop of the outer surface of steel pipe column, especially metal rope, and when using lifting hook, two hooks are hooked at both ends of steel pipe column, and the contact area of lifting hook and steel pipe column is small, and the contact surface is prone to deformation, which affects subsequent butt joint. Therefore, the person skilled in the art provides a kind of assembly subway station steel pipe column hoist fixing device to solve the problems raised in the above background art. SUMMARY

[0004] The utility model aims at providing a kind of assembly subway station steel pipe column hoist fixing device, to solve the following technical problems:

[0005] Steel pipe column is prone to surface damage and port deformation when hoisting.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A kind of assembly subway station steel pipe column hoist fixing device, including hoisting frame, the upper end surface center of the hoisting frame is fixedly connected with hoisting head, the both ends of the hoisting frame are fixedly connected with connecting head, the outer end of two connecting heads is fixedly connected with inner support mechanism by hoisting rope;

[0008] The inner support mechanism includes center column, the outer end of the center column is provided with the support component that can expand outward;

[0009] The middle part of the center column is provided with threaded portion, the outer end of the threaded portion is threadedly sleeved with screw sleeve, the end of the screw sleeve away from support component is fixedly sleeved with rotating ring, the outer end of rotating ring is fixed with multiple rotating rods, and the screw sleeve is used to adjust the expansion degree of support component.

[0010] Further, the supporting assembly comprises three top plates, a connecting rod one is rotationally connected to the inner upper end of the top plate, a connecting rod two and a connecting rod three are rotationally connected to the inner lower end of the top plate in intervals, the other end of the connecting rod two and the connecting rod three is rotationally connected to the lower end of the central column, the other end of the three connecting rod ones is hingedly connected with a connecting ring, and the connecting ring is rotationally sleeved on the lower end of the central column.

[0011] Further, the top plate is in U shape, and a contact pad is arranged on the outer end face of the top plate and fixedly connected with the top plate through a plurality of bolts.

[0012] Further, the three top plates are vertically arranged and spaced around the outer end of the central column, and the mutual spacing is 120°.

[0013] Further, the inner end of the rotating rod is sleeved with the rotating ring through threads, and the outer end of the rotating rod is provided in a spherical shape.

[0014] Further, the upper end of the central column is fixedly connected with a hoisting ring, and the hoisting ring is fixedly connected with a hoisting rope.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The utility model provides a kind of assembly type subway station steel pipe column hoisting fixing device, when the device is used, first, two inner support mechanisms are respectively installed at the two ends of steel pipe column, the inner support mechanism can be supported and unfolded, is stably connected using friction and the inner wall of steel pipe column, hoisting equipment is connected with hoisting frame by hoisting head, when lifting, by pulling two inner support mechanisms to lift steel pipe column, the inner support mechanism is arranged in the inner side of steel pipe column, so that the appearance of steel pipe column is guaranteed, and the appearance of steel pipe column is prevented from being damaged.

[0017] 2. The utility model provides a kind of assembly type subway station steel pipe column hoisting fixing device, and the inner support mechanism is provided with multiple top plates, and the inner wall of steel pipe column is contacted with multiple points, is uniformly stressed, and the situation that the port of steel pipe column is not prone to deformation during hoisting is influenced to butt joint, so that the structural integrity of steel pipe column after hoisting is guaranteed.

[0018] 3. The utility model provides a kind of assembly type subway station steel pipe column hoisting fixing device, which can adjust the expansion range of supporting assembly by rotating ring rotation driven by rotating rod, so as to adapt to steel pipe column of different diameters, convenient to adjust, and wide application range. DRAWINGS

[0019] The utility model will be further described below in combination with drawings.

[0020] Figure 1 It is the overall structure diagram of the utility model of a kind of assembly type subway station steel pipe column hoisting fixing device;

[0021] Figure 2 is a structural diagram of an inner support mechanism in an assembled subway station steel pipe column hoisting fixing device;

[0022] Figure 3 is Figure 2 an enlarged view of A in the middle;

[0023] Figure 4 is an assembled sectional view when the steel pipe column is hoisted.

[0024] Reference signs:

[0025] 1, hoisting frame; 2, hoisting head; 3, connecting head; 4, hoisting rope; 5, inner support mechanism; 51, center column; 52, hoisting ring; 53, threaded part; 54, support assembly; 541, top plate; 542, connecting rod one; 543, connecting rod two; 544, connecting rod three; 545, contact pad; 546, connecting ring; 55, screw sleeve; 56, rotating ring; 57, rotating rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to the accompanying Figures 1 to 4 , the present application embodiment of a kind of assembled subway station steel pipe column hoisting fixing device, including hoisting frame 1, the upper end surface center of hoisting frame 1 is fixedly connected with hoisting head 2, the both ends of hoisting frame 1 are fixedly connected with connecting head 3, the outer end of two connecting heads 3 is fixedly connected with inner support mechanism 5 by hoisting rope 4, two inner support mechanisms 5 are installed at the both ends of steel pipe column during hoisting, since inner support mechanism 5 can be supported to expand, utilize friction and the inner wall of steel pipe column stable connection, hoisting equipment is connected with hoisting frame 1 by hoisting head 3, when lifting, by pulling two inner support mechanisms 5 to hoist steel pipe column, hoisting process will not appear friction contact with the outer surface of steel pipe column, so as to ensure the appearance integrity of steel pipe column.

[0028] Specifically, inner support mechanism 5 includes center column 51, the outer end of center column 51 is provided with support assembly 54 capable of expanding outward, the middle part of center column 51 is provided with threaded part 53, threaded sleeve 55 is threadedly connected to the outer end of threaded part 53, rotating ring 56 is fixedly connected to the end of threaded sleeve 55 away from support assembly 54, a plurality of rotating rods 57 are fixed to the outer end of rotating ring 56, and threaded sleeve 55 is used to adjust the expansion degree of support assembly 54.

[0029] As shown in Figure 2 and Figure 3 As an embodiment of the utility model, the supporting assembly 54 includes three top plates 541, the inner side upper end of the top plate 541 is rotationally connected with a connecting rod one 542, the inner side lower end is rotationally connected with a connecting rod two 543 and a connecting rod three 544, the other end of the connecting rod two 543 and the connecting rod three 544 is rotationally connected with the lower end of the center column 51, the other end of the three connecting rod one 542 is hingedly connected with a connecting ring 546, the connecting ring 546 is rotationally sleeved at the lower end of the center column 51, when adjusting, the screw sleeve 55 is rotated by the rotating rod 57, when the screw sleeve 55 rotates inward, the connecting ring 546 will be driven to move inward, since the connecting ring 546 is rotationally connected with the screw sleeve 55, it will not interfere with the movement of the screw sleeve 55, when the connecting ring 546 moves downward, each connecting rod expands outward, and the top plate 541 expands, so that when assembled into the steel pipe column, the inner wall of the steel pipe column is tightly contacted, and by the same token, when the screw sleeve 55 rotates outward, the top plate 541 will be retracted, so that the steel pipe column is released from the tightly contacted state, facilitating subsequent unloading.

[0030] The screw sleeve 55 is relatively long, and the position of the rotating ring 56 is a certain distance from the position of the connecting ring 546, so that when the connecting ring 546 enters the internal area of the steel pipe column, the rotating ring 56 is still on the outside of the steel pipe column, without affecting the rotation of the operator.

[0031] In the embodiment, the upper end of the center column 51 is fixedly connected with a hoisting ring 52, and the hoisting ring 52 is fixedly connected with the hoisting rope 4.

[0032] As an embodiment of the utility model, the top plate 541 is in the shape of U, and the outer end face is provided with a contact pad 545, which is fixedly connected with the top plate 541 by a plurality of bolts. The U-shaped top plate 541 can hide the connection of each connecting rod, and the contact pad 545 is connected with the top plate 541 by a plurality of bolts, which is stable and can be disassembled. When worn, it can be replaced at low cost. The contact pad 545 can be made of wear-resistant rubber material, which has strong wear resistance and slip resistance, and is relatively soft in texture, so as not to damage the inner wall of the steel pipe column when assembled into the steel pipe column.

[0033] As an embodiment of the utility model, the three top plates 541 are vertically arranged and spaced around the outer end of the center column 51, and are spaced 120° from each other, so that the top plates 541 are evenly spaced to form a complete annular support surface, so that the internal force of the steel pipe column after being supported is uniform, and the stability during hoisting is ensured.

[0034] As an embodiment of the utility model, the inner end of the rotating rod 57 is sleeved with the rotating ring 56 through thread, and the outer end of the rotating rod 57 is set as a spherical shape, the rotating rod 57 with the spherical end is convenient for hand use, and the rotating rod 57 is sleeved with the rotating ring 56 through thread, so that the rotating rod 57 can be disassembled, convenient for storage, and can be quickly replaced when broken.

[0035] The above has carried out the detailed explanation to one embodiment of the utility model, but the content is only the preferred embodiment of the utility model, cannot be considered for limiting the implementation scope of the utility model. All equivalent changes and improvements made in the utility model application scope should still belong to the patent coverage scope of the utility model.

Claims

1. A device for hoisting and fixing steel pipe columns of an assembled subway station, comprising a hoisting frame (1), a hoisting head (2) fixedly connected to the center of the upper end surface of the hoisting frame (1), and characterized in that: Both ends of the hanging frame (1) are fixedly connected to connectors (3), and the outer ends of the two connectors (3) are fixedly connected to internal support mechanisms (5) via hanging ropes (4); The inner support mechanism (5) comprises a central column (51), and the outer end of the central column (51) is provided with a support component (54) capable of expanding outwards; A threaded portion (53) is provided in the middle of the central column (51), and a threaded sleeve (55) is threadedly sleeved on the outer end of the threaded portion (53), and a rotating ring (56) is fixedly sleeved on one end of the threaded sleeve (55) away from the supporting assembly (54), and a plurality of rotating rods (57) are fixed on the outer end of the rotating ring (56). The threaded sleeve (55) is used to adjust the expansion degree of the supporting assembly (54).

2. The device for hoisting and fixing steel pipe columns in an assembled subway station according to claim 1, characterized in that: The supporting assembly (54) includes three top plates (541), the inner upper end of the top plate (541) is rotatably connected to a connecting rod 1 (542), and the inner lower end is rotatably connected to a connecting rod 2 (543) and a connecting rod 3 (544) at intervals, the other ends of the connecting rod 2 (543) and the connecting rod 3 (544) are rotatably connected to the lower end of the central column (51), and the other ends of the three connecting rods (542) are hingedly connected to a connecting ring (546), and the connecting ring (546) is rotatably sleeved on the lower end of the central column (51).

3. The device for hoisting and fixing steel pipe columns in an assembled subway station according to claim 2, characterized in that: The top plate (541) is U-shaped, and a contact pad (545) is provided on the outer end surface. The contact pad (545) is fixedly connected to the top plate (541) via a plurality of bolts.

4. The device for hoisting and fixing steel pipe columns for assembled subway stations according to claim 3, characterized in that: The three top plates (541) are vertically arranged and spaced around the outer end of the central column (51) at intervals of 120 degrees.

5. The device for hoisting and fixing steel pipe columns in an assembled subway station according to claim 1, characterized in that: The inner end of the rotating rod (57) is sleeved with the rotating ring (56) through a thread, and the outer end of the rotating rod (57) is configured to be spherical.

6. The device for hoisting and fixing steel pipe columns in an assembled subway station according to claim 2, characterized in that: The upper end of the central column (51) is fixedly connected to a lifting ring (52), and the lifting ring (52) is fixedly connected to a lifting rope (4).

Images