Double-layer H-shaped steel transfer layer with limited construction space

Abstract

The utility model relates to a double-layer H-shaped steel transfer layer with limited construction space, which is characterized in that davits are welded at corresponding holes of a frame beam, and a transfer beam is horizontally erected at the top of the frame beam and used for hoisting an upper steel beam and a lower steel beam; the two ends of the upper steel beam and the two ends of the lower steel beam are fixed to the frame beams or the hanging columns on the two sides. The utility model has the beneficial effects that the lower hanging post-steel beam is adopted, and a plurality of chain blocks are arranged, so that the angle inclined installation of the upper steel beam and the lower steel beam is realized, the stability in the installation process is obviously improved, the time wasted by repeatedly adjusting the position is reduced, and the installation efficiency is greatly improved; the auxiliary installation support is adopted as an integrated auxiliary installation support and operation platform structure, it is ensured that the position of the steel beam is accurate in the installation process, the installation stability is further enhanced, the deviation problem in the installation process is effectively avoided, and the overall installation precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to space steel net rack structure field especially including a kind of construction space limited double-layer H-shaped steel conversion layer. BACKGROUND

[0002] With the continuous development of construction industry, space steel net rack structure has been widely applied in construction engineering. People are constantly seeking beautiful and unique modeling while pursuing practicality, and space steel net rack provides convenience in this regard. Large-span steel structures are increasingly used in real life, such as large stadiums, theaters, etc. However, during the construction of the construction space limited double-layer H-shaped steel conversion layer, the length of some members exceeds the size of the opening, and there is a problem of collision with the main structure during horizontal hoisting.

[0003] In summary, for the construction of the construction space limited double-layer H-shaped steel conversion layer, it is important to seek a construction space limited double-layer H-shaped steel conversion layer construction system that is fast, simple to operate, and reliable in construction quality. INVENTION CONTENTS

[0004] The utility model aims to overcome the deficiencies in the prior art and provide a construction space limited double-layer H-shaped steel conversion layer.

[0005] This construction space limited double-layer H-shaped steel conversion layer includes a concrete column, a frame beam, an opening, a conversion beam, an upper steel beam, a lower steel beam, a stand column, and an auxiliary installation support.

[0006] A hoisting column is welded to the frame beam corresponding to the opening, and the conversion beam is horizontally erected on the top of the frame beam for hoisting the upper steel beam and the lower steel beam. The upper steel beam and the lower steel beam are arranged in an upper-lower manner, and the two ends of the upper steel beam and the lower steel beam are fixed to the frame beams or the hoisting columns on both sides.

[0007] As a preferred embodiment, the conversion beam is provided with an ear, and the conversion beam is supported by a short stand column across the opening end. A pre-embedded part is provided on the frame beam. The conversion beam is horizontal, and the two ends are connected and fixed to the pre-embedded part. The hoisting column is provided with a reserved steel bar, and the hoisting column is welded and connected to the frame beam through the reserved steel bar.

[0008] As a preferred embodiment, the upper steel beam and the lower steel beam are each provided with a corbel at one end. The hand-operated hoist is arranged on the ear for hoisting the upper steel beam or the lower steel beam. One end of the upper steel beam is connected and fixed to the hoisting column, and the other end is fixed to the pre-embedded part on the frame beam through the corbel. The lower steel beam is provided with a stand column, and the stand column is connected and fixed to the upper steel beam.

[0009] As preferred, the auxiliary installation support comprises a base, a jack, a perforated steel plate, a supporting bottom plate, a supporting column, a cushion block and an operation platform; the base is provided with a pulley; the auxiliary installation support is provided at the top with an operation platform, the operation platform is provided at the center with a supporting column, the supporting column is welded at the top with a supporting rod; the supporting rod is provided at the top with a clamping plate; the supporting column is supported at the bottom on the supporting bottom plate; the jack is arranged between the operation platform and the lower part of the supporting rod; the operation platform is provided around with a guardrail; the perforated steel plate is arranged at the upper part of the auxiliary installation support, and the perforated steel plate is connected with the floor anchorage through a cable rope.

[0010] As preferred, the base is provided around with an ear plate and a fixed shaft, and a jack is arranged at the bottom of the ear plate; the pulley is connected with a supporting rod, and the supporting rod is connected with the fixed shaft through a bolt; the operation platform is provided with a fixed sleeve, a reinforcing sleeve and a reserved hole, and the reinforcing sleeve is arranged above the reserved hole, wherein the jack is arranged in the fixed sleeve.

[0011] The utility model discloses beneficial effects are:

[0012] 1) the utility model discloses adopt the lower hanging of hanging column - steel roof beam, through setting up a plurality of hand-operated hoist, realize the angle inclination installation of upper steel roof beam and lower steel roof beam, the stability in the installation process is improved significantly, the time wasted because of repeatedly adjusting position is reduced, thereby greatly improve the installation efficiency.

[0013] 2) the utility model discloses adopt auxiliary installation support as integral type auxiliary installation support and operation platform structure, ensure the position of steel roof beam in the installation process is accurate, further strengthen the stability of installation, effectively avoid the deviation problem in the installation process, improve the precision of overall installation.

[0014] 3) the utility model discloses through the inclination of upper hanging upper steel roof beam and lower steel roof beam, solved the difficult problem that part of the length of the member exceeds the size of the hole, and horizontal hoisting will collide with the main structure in the construction space limited double -deck H type steel conversion layer construction, application in practical engineering can obtain better technical economy and social benefit. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the schematic diagram of the layout of the conversion beam;

[0016] Figure 2 It is the schematic diagram of the conversion beam sample;

[0017] Figure 3 It is the schematic diagram of the installation of the hanging column;

[0018] Figure 4 It is the schematic diagram of the installation of the conversion beam;

[0019] Figure 5 It is the schematic diagram of the installation of the upper steel roof beam;

[0020] Figure 6 is the schematic diagram of the lower steel beam lifting installation;

[0021] Figure 7 is the schematic diagram of the completed installation of the transfer floor steel beam;

[0022] Figure 8 is the schematic diagram of the auxiliary installation support;

[0023] Figure 9 is the schematic diagram of the top of the auxiliary installation support;

[0024] Figure 10 is the schematic diagram of the operation platform.

[0025] The figure mark explanation: 1-concrete column, 2-frame beam, 3-opening, 4-transfer beam, 5-lifting lug, 6-short column, 7-hoisting column, 8-embedded part, 9-wall, 10-hand-operated hoist, 11-steel wire rope, 12-upper steel beam, 13-corbel, 14-lower steel beam, 15-column, 16-auxiliary installation support, 17-base, 18-ear plate, 19-fixing shaft, 20-supporting rod, 21-pulley, 22-jack, 23-square steel, 24-hole steel plate, 25-supporting base plate, 26-supporting column, 27-pad, 28-operation platform, 29-clamping plate, 30-supporting rod, 31-fixing sleeve, 32-reinforcing sleeve, 33-guardrail, 34-reserved hole. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with examples. The following examples are only used to help understand the utility model. It should be pointed out that for ordinary personnel in the technical field, on the premise of not departing from the principle of the utility model, the utility model can be modified, and these improvements and modifications also fall within the protection scope of the utility model claim.

[0027] As an example, as shown in the figure, Figures 1 to 10 This construction space limited double-layer H-shaped steel transfer floor includes: concrete column 1, frame beam 2, opening 3, transfer beam 4, lifting lug 5, short column 6, hoisting column 7, embedded part 8, wall 9, hand-operated hoist 10, steel wire rope 11, upper steel beam 12, corbel 13, lower steel beam 14, column 15, auxiliary installation support 16, base 17, ear plate 18, fixing shaft 19, supporting rod 20, pulley 21, jack 22, square steel 23, hole steel plate 24, supporting base plate 25, supporting column 26, pad 27, operation platform 28, clamping plate 29, supporting rod 30, fixing sleeve 31, reinforcing sleeve 32, guardrail 33, reserved hole 34; the construction space limited double-layer H-shaped steel transfer floor structure, lower hanging hoisting column-steel beam installation technology, temporary steel transfer beam placement installation technology, angle inclination hoisting technology, integral auxiliary installation support and operation platform structure have been developed.

[0028] The frame beam 2 is welded with a hanging column 7 at the hole 3, the conversion beam 4 is horizontally arranged on the top of the frame beam 2, and is used for hoisting the upper steel beam 12 and the lower steel beam 14; the upper steel beam 12 and the lower steel beam 14 are arranged in an up-down mode, and the upper steel beam 12 and the lower steel beam 14 are fixed on the frame beams 2 or the hanging columns 7 at two ends.

[0029] The conversion beam 4 is provided with a lifting lug 5, and a short column 6 is arranged at the end of the hole; a pre-embedded part 8 is arranged on the frame beam 2; the conversion beam 4 is connected and fixed with the pre-embedded part 8 at two ends, and the horizontal installation is ensured. The hanging column 7 is an I-shaped steel component processed in a factory, and the reserved steel bars are arranged on the frame beam 2 at the hole position when the frame beam 2 is constructed, and the hanging column 7 is welded thereon.

[0030] The upper steel beam 12 is processed and manufactured by an I-shaped steel in a factory, and a corbel 13 is pre-installed at one end; the hand-operated hoist 10 is arranged on the lifting lug 5, and is fixed with the upper steel beam 12 through different lengths of steel wire ropes 11, so that the upper steel beam 12 is slowly hoisted at a certain inclination angle, and when the upper steel beam 12 does not collide with the main structure after hoisting for a certain height, the steel wire ropes 11 are adjusted to the same length, so that the upper steel beam 12 is hoisted horizontally to the installation position; one end of the upper steel beam 12 is connected and fixed with the hanging column 7, and the other end is fixed with the pre-embedded part 8 through the corbel 13.

[0031] The lower steel beam 14 is hoisted and installed by referring to the upper steel beam 12; the lower steel beam 14 is pre-installed with a corbel 13 at one end, and a column 15 is arranged on the corbel 13, and the column 15 is connected and fixed with the upper steel beam 12;

[0032] The auxiliary installation support 16 is composed of a base 17, an ear plate 18, a fixing shaft 19, a support rod 20, a pulley 21, a jack 22, a square steel 23, a steel plate with holes 24, a support bottom plate 25, a support column 26, a cushion block 27, an operation platform 28, a clamping plate 29, a supporting rod 30, a fixing sleeve 31, a reinforcing sleeve 32, a guardrail 33 and the like; the base 17 is made of the square steel 23, on which the ear plate 18 and the fixing shaft 19 are arranged; the pulley 21 is connected with the adjustable threaded support rod 20, and the support rod 20 is fixed with the fixing shaft 19 through bolts; the operation platform 28 arranged at the top of the auxiliary installation support 16 is made of a steel plate and is provided with a reserved hole 34, the fixing sleeve 31 and the reinforcing sleeve 32, wherein the reinforcing sleeve 32 is located at the position of the reserved hole 34; one end of the support column 26 is welded with the supporting rod 30; the clamping plate 29 is arranged on the supporting rod 30; the support column 26 falls on the support bottom plate 25 after passing through the reinforcing sleeve 32; the jack 22 is arranged at the lower part of the supporting rod 30, and is located in the fixing sleeve 31 to prevent displacement; the guardrail 33 is arranged around the operation platform 28; the steel plate with holes 24 is located at the upper part of the auxiliary installation support 16, one end of the cable wind rope is connected with the steel plate with holes 24, and the other end is connected with a floor anchoring device, so as to ensure the stability of the whole support; the auxiliary installation support 16 is moved to a designed position, is preliminarily fixed through the cable wind rope, is synchronously jacked up through the jack 22 to make the pulley 21 in a stress-free state, is adjusted to move upward through the support rod 20, is lowered through the jack 22, and the base 17 supports the ground; after the upper steel beam 12 and the lower steel beam 14 are hoisted to the designed position, the upper steel beam 12 and the lower steel beam 14 are located in the clamping plate 29, the supporting rod 30 is placed on the cushion block 27 for temporary placement and stabilization through the jack adjustment, and the construction personnel are located in the operation platform 28 for convenient installation.

Claims

1. A construction space-limited double-layer H-shaped steel transfer story, characterized in that, The utility model relates to a concrete column, frame beam, hole, conversion beam, upper steel beam, lower steel beam, stand and auxiliary installation support. The frame beam is welded with a hanging column at the hole, the conversion beam is horizontally arranged on the top of the frame beam and is used for hoisting the upper steel beam and the lower steel beam, the upper steel beam and the lower steel beam are arranged in a top-down mode, and the upper steel beam and the lower steel beam are fixed on the frame beams or the hanging columns at two ends. The conversion beam is provided with a lifting lug, the conversion beam is supported by a short stand at the hole end, the frame beam is provided with a pre-embedded part, the conversion beam is horizontally arranged, the two ends are connected and fixed with the pre-embedded part, the hanging column is provided with reserved steel bars, and the hanging column is welded and connected with the frame beam through the reserved steel bars.

2. The construction space-restricted double H-shaped steel transfer story according to claim 1, characterized by, The upper steel beam and the lower steel beam are provided with corbels at one end, a hand-operated hoist is arranged on the lifting lug and is used for hoisting the upper steel beam or the lower steel beam, one end of the upper steel beam is connected and fixed with the hanging column, the other end is fixed with the pre-embedded part on the frame beam through the corbel, and the lower steel beam is provided with a stand which is connected and fixed with the upper steel beam.

3. The construction space-restricted dual-level H-shaped steel transfer story according to claim 1, wherein, The auxiliary installation support comprises a base, a jack, a perforated steel plate, a supporting bottom plate, a supporting column, a cushion block and an operation platform, the base is provided with a pulley, the auxiliary installation support is provided with the operation platform at the top, the operation platform is penetrated by the supporting column at the center, the supporting column is welded with a supporting rod at the top, the supporting rod is provided with a clamping plate, the supporting column is supported on the supporting bottom plate at the bottom, the jack is arranged between the operation platform and the lower part of the supporting rod, the operation platform is provided with a guardrail around, the perforated steel plate is arranged on the upper part of the auxiliary installation support, and the perforated steel plate and the floor anchoring part are connected through a cable rope.

4. The construction space-restricted dual two-story H-shaped steel transfer story according to claim 1, characterized by, The base is provided with an ear plate and a fixing shaft around, the jack is arranged under the ear plate, the pulley is connected with a supporting rod, the supporting rod is connected with the fixing shaft through bolts, the operation platform is provided with a fixing sleeve, a reinforcing sleeve and a reserved hole, the reinforcing sleeve is arranged above the reserved hole, and the jack is arranged in the fixing sleeve.

5. The construction space-restricted double H-shaped steel transfer story according to claim 4, characterized in that, ​

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