CN212983888U - Welding-free quickly-disassembled and assembled bracket - Google Patents

Abstract

The utility model discloses a welding-free quick assembly disassembly formula bracket. The hanging plate comprises a hanging part, a hanging plate and a supporting plate, wherein the hanging part is provided with a hanging hole, the top end of the hanging plate bends to the rear side to form a bent hook part with a downward opening, the hanging part is fixedly connected to the top end of the hanging plate, the supporting plate is horizontally arranged at the lower end part of the front side of the hanging plate, one end of the supporting plate is vertically and fixedly connected with the front side surface of the hanging plate, two ribbed plates which are arranged at intervals are arranged at the lower part of the supporting plate, and the ribbed plates are fixedly connected with the lower part of the supporting plate and the front side surface of. The utility model discloses the installation is fast with the dismantlement, low in labor strength, and the efficiency of construction is high, and the construction safety is high, compares in the bracket in I shape or T type cross-section, and the structure is more reasonable, and torsional rigidity is high, and stability is good, uses safelyr, just the utility model discloses an installation does not harm the steel sheet pile with the dismantlement, and the bracket can recycle, can save material, reduces construction cost.

Description

Welding-free quickly-disassembled and assembled bracket

Technical Field

The utility model relates to a bracket structure mainly is used in the construction that adopts Larsen SP-IV type steel sheet pile cooperation steel purlin internal stay system to strut the slot excavation.

Background

In the laying construction of municipal rainwater and sewage pipelines, the depth of a rainwater and sewage pipe is generally 3-6 m, the construction site is narrow, the groove cannot be excavated by slope excavation, and usually, a Larsen SP-IV type steel plate pile is matched with an inner support system of a steel enclosing purlin to support the groove excavation. The support system consists of Larsen steel sheet piles, brackets, steel purlins and supports. The bracket is usually welded on the Larsen steel sheet pile, the steel purlin is erected on the bracket, the support is arranged between the steel purlins on two sides, and the bracket is used for bearing the weight of the steel purlin and the support. According to the characteristics of the soil layer, the steel purlin and the support are generally made of H-shaped steel with the specification of 250-250 mm, 300-300 mm or 350-350 mm and the like, and can meet the standard requirements generally. Because the excavation of the foundation pit has a space-time effect, a supporting system needs to be quickly formed. At present, the bracket is usually installed by adopting a welding method, the cross section of the bracket is mostly in an I shape or a T shape, according to the cross section and the size of the bracket, the welding time of a single bracket is generally not less than 20 minutes, the welding time is long, the labor intensity of workers is high, the welding quality is unstable, the cross operation of electric welding and oxygen acetylene is unsafe, meanwhile, the steel sheet pile is damaged by welding, and the material reuse rate is low.

Disclosure of Invention

To the above-mentioned defect that exists among the prior art, the utility model provides a but welding quick assembly disassembly's bracket structure exempts from.

The utility model discloses a realize through following technical scheme: the utility model provides a exempt from to weld quick assembly disassembly formula bracket, characterized by: including hoisting part, link plate, layer board, hoisting part has the hole for hoist, the downward curved hook portion of opening is formed to the lateral curvature backward in top of link plate, hoisting part fixed connection be in the top of link plate, the layer board level sets up the front side lower extreme portion of link plate and one end with the perpendicular fixed connection of leading flank of link plate the lower part of layer board is provided with the floor that two intervals set up, the floor with the lower part of layer board reaches the perpendicular fixed connection of leading flank of link plate.

The utility model discloses during the use, the crotch portion on accessible link plate top is directly hung at the top of larsen steel sheet pile, and the web of larsen steel sheet pile is hugged closely to the link plate this moment. The utility model provides a hoist and mount part is used for hoist and mount, removes and hangs the bracket through the hole for hoist that sets up on it, and the layer board is used for supporting to bear the weight of the steel and encloses the purlin, and the floor is used for consolidating the layer board, provides sufficient bearing capacity for the layer board. After the construction is finished, the utility model discloses take off from Larsen steel sheet pile can. The utility model discloses can reuse.

Furthermore, in order to be matched with the Larsen steel sheet pile, the width of the hanging plate is 20cm, and the length of the hanging plate is 80 cm.

Further, the supporting plate is arranged 15cm away from the bottom of the hanging plate.

Furthermore, in order to improve the strength of the bracket, the lifting part, the hanging plate, the supporting plate and the rib plate are all made of Q235 steel plates with the thickness of 2 cm.

The utility model has the advantages that: the utility model discloses installation and dismantlement easy operation are convenient, directly hang in larsen steel sheet pile top during the installation, do not need welding construction, directly take out from larsen steel sheet pile top during the dismantlement, do not need the cutting of oxygen acetylene, need not power consumption and move fiery operation, and the installation is fast with the dismantlement, low in labor strength, and the construction safety is high. The utility model discloses compare in I shape or T type cross-section's bracket, the structure is more reasonable, and torsional rigidity is high, and stability is good, uses safelyr. The utility model discloses an installation does not harm the steel sheet pile with the dismantlement, and the bracket can recycle repeatedly, can save material, reduces construction cost, just the utility model discloses the material that uses can draw materials on the spot, and processing is convenient.

Drawings

FIG. 1 is a schematic plan view of an embodiment of the present invention;

FIG. 2 is a schematic view A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a pipe-trench support system according to an embodiment;

in the figure, the steel purlin comprises a hoisting component 1, a hoisting hole 101, a hanging plate 2, a hanging plate 201, a bent hook portion 3, a supporting plate 4, a rib plate 5, a Larsen steel sheet pile 6, a steel purlin 7 and a support.

Detailed Description

The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:

as shown in the attached drawing, the welding-free quickly detachable bracket comprises a hoisting part 1, a hanging plate 2 and a supporting plate 3. The hoisting component 1 is of a steel block structure, and the hoisting component 1 is provided with a hoisting hole 101. The hanging plate 2 is made of a Q235 steel plate with the thickness of 2cm, the hanging plate 2 is of a rectangular plate structure, and the top end of the hanging plate 2 is bent towards the rear side to form a bent hook portion 201 with a downward opening. The length of the hanging plate 2 is preferably 80cm, the width of the hanging plate 2 is slightly smaller than the width of a web plate of the steel sheet pile, and the preferred width is 20 cm. The hanging plate 2 is mainly used for hanging the top of the Larsen steel sheet pile, connecting the hoisting part 1 with the supporting plate 3, and is in a vertical state during operation and tightly attached to a web plate of the Larsen steel sheet pile 5. The hoisting part 1 is fixedly connected to the middle part of the top end of the hanging plate 2. The supporting plate 3 is made of a Q235 steel plate with the thickness of 2cm and is of a flat plate structure. The layer board 3 level sets up the tip under the front side of link plate 2 to the perpendicular fixed connection of one end and the leading flank of link plate 2 of layer board 3, layer board 3 adopts the fillet weld to be connected with link plate 2. Preferably, the supporting plate 3 is arranged at a position 15cm away from the bottom of the hanging plate 2. The main function of the pallet 3 is to carry the steel purlin. Two ribbed slabs 4 arranged at intervals are arranged at the lower part of the supporting plate 3, the ribbed slabs 4 are vertically and fixedly connected with the lower part of the supporting plate 3 and the front side surface of the hanging plate 2, and the ribbed slabs 4 are connected with the supporting plate 3 and the hanging plate 2 in a double-side welding mode. The main function of the ribs 4 is to provide sufficient load bearing capacity for the pallet 3. The rib plate 4 is preferably made of a Q235 steel plate having a thickness of 2 cm.

Utilize the utility model discloses during the construction, according to slot excavation construction process requirement, after rain sewage pipeline slot excavation to certain degree of depth, need carry out the installation of interior support. According to the Larsen steel sheet pile insert the condition of beating and the design is arranged to steel purlin support, earlier will in the suitable position of Larsen steel sheet pile the utility model discloses hang in the top of Larsen steel sheet pile 5, then directly erect steel purlin 6 the utility model discloses an on the layer board 3, then erection bracing 7. During construction, protective measures are taken to prevent the steel purlin from sliding off. After the construction finishes, will support 7, the steel purlin 6 dismantles the back, will the utility model discloses direct from Larsen steel sheet pile top take off can, repeatedly usable is under construction next time.

The utility model discloses can realize quick installation and dismantlement, need not operations such as welding in the construction, the efficiency of construction is high, and the construction safety is high, does not have any damage to the steel sheet pile in the construction, just the utility model discloses it is more reasonable in the structure, torsional rigidity and stability are better.

Other parts in this embodiment are the prior art, and are not described herein again.

Claims (4)

1. The utility model provides a exempt from to weld quick assembly disassembly formula bracket, characterized by: including hoisting part (1), link plate (2), layer board (3), hoisting part (1) has hoisting hole (101), the top of link plate (2) is bent to the rear side and is become opening decurrent hook portion (201), hoisting part (1) fixed connection be in the top of link plate (2), layer board (3) level sets up the front side lower extreme portion and one end of link plate (2) with the perpendicular fixed connection of leading flank of link plate (2) the lower part of layer board (3) is provided with floor (4) that two intervals set up, floor (4) with the lower part of layer board (3) reaches the perpendicular fixed connection of leading flank of link plate (2).

2. The welding-free quick disconnect bracket of claim 1, wherein: the width of the hanging plate (2) is 20cm, and the length is 80 cm.

3. The welding-free quick disconnect bracket of claim 1, wherein: the supporting plate (3) is arranged at a position 15cm away from the bottom of the hanging plate (2).

4. The welding-free quick detach bracket as recited in claim 1, 2 or 3, wherein: the hoisting part (1), the hanging plate (2), the supporting plate (3) and the rib plate (4) are all made of Q235 steel plates with the thickness of 2 cm.

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