CN218406700U

CN218406700U - Integral fixing device for ladder cage

Info

Publication number: CN218406700U
Application number: CN202222650600.5U
Authority: CN
Inventors: 张大威; 姚文杰; 刘强; 王永安; 董镇齐
Original assignee: Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-01-31
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses an integral fixing device for a ladder cage, which comprises a fixed beam (1), a first fixed rod piece (2), a connecting piece (3), a second fixed rod piece (4) and a ladder cage (5); the fixed beams (1) are circumferentially arranged along the outer wall of the ladder cage (5), and the end parts of the two oppositely arranged fixed beams are connected with the ladder cage in a counter-pulling manner through a first fixed rod piece; the connecting pieces are respectively arranged on the fixed beam close to the foundation pit wall body and the foundation pit wall body, two ends of the second fixed rod pieces are respectively connected with the connecting pieces on the fixed beam and the foundation pit wall body, so that the second fixed rod pieces are respectively overlapped between the fixed beam and the foundation pit wall body at intervals, the ladder cage is connected with the fixed beams into a whole and erected in the foundation pit through the first fixed rod pieces and the second fixed rod pieces. The utility model discloses can install ladder cage monolithic on the foundation ditch wall body and form upper and lower passageway in the foundation ditch.

Description

Integral fixing device for ladder cage

Technical Field

The utility model relates to an underground foundation ditch construction facility especially relates to an integral fixing device for ladder cage.

Background

In the underground foundation pit engineering construction, the ladder cage is often needed to be used as a construction channel to assist in construction, and whether the ladder cage is fixed and firm or not directly determines the safety of the construction channel. The traditional fixing mode of the ladder cage is as follows: i-shaped steel penetrates through the ladder cage at intervals and is welded, and then the I-shaped steel is lapped on the concrete support. The traditional I-steel penetrating welding process is complex in disassembly and assembly, the local reinforcing mode is poor in integrity and safety, the whole device is low in structural strength, and large potential safety hazards exist in construction. Meanwhile, the welding operation has great construction danger, the welding operation cannot be circulated after being disassembled, the welding operation is easy to deform when being influenced by the outside, and the welding operation is difficult to recover after being damaged. Therefore, it is desirable to provide a ladder cage fixing device with better integrity and safety.

Disclosure of Invention

An object of the utility model is to provide a whole fixing device for terraced cage can install terraced cage is integral on the foundation ditch wall body and form upper and lower passageway in the foundation ditch.

The utility model discloses a realize like this:

an integral fixing device for a ladder cage comprises a fixing beam, a first fixing rod piece, a connecting piece, a second fixing rod piece and the ladder cage; the fixed beams are circumferentially arranged along the outer wall of the ladder cage, and the end parts of the two oppositely arranged fixed beams are connected with the ladder cage in a counter-pulling manner through the first fixed rod piece; the plurality of connecting pieces are respectively arranged on the fixed beam close to the foundation pit wall body and the foundation pit wall body, two ends of the second fixed rod pieces are respectively connected with the connecting pieces on the fixed beam and the foundation pit wall body, the plurality of second fixed rod pieces are respectively overlapped between the fixed beam and the foundation pit wall body at intervals, and the ladder cage and the plurality of fixed beams are connected into a whole and erected in the foundation pit through the first fixed rod pieces and the second fixed rod pieces.

The second fixing rod pieces are connected to the top surface and the bottom surface of the fixing beam respectively, the second fixing rod pieces located on the top surface of the fixing beam are inclined upwards and extend to the wall body of the foundation pit, and the second fixing rod pieces located on the bottom surface of the fixing beam are inclined downwards and extend to the wall body of the foundation pit.

The arrangement interval of the connecting pieces on the fixed beam is larger than that of the connecting pieces on the foundation pit wall.

The fixed beams are four, the four fixed beams are sequentially connected into a groined structure, a pair of oppositely arranged fixed beams are connected in a split mode through two first fixed rod pieces, and the first fixed rod pieces are perpendicular to the fixed beams.

The cross-section of the fixed beam is of a rectangular structure, so that the side end face of the fixed beam can be matched and attached to the outer wall of the ladder cage.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses owing to be equipped with fixed beam and first fixed member, fixed beam circumference arranges on ladder cage's outer wall all around to wear to establish fixedly through first fixed member, form wholeness structure, need not welded fastening, the construction is simple and safe, easy dismounting and swift, easily mass, regularization production.

2. The utility model discloses owing to be equipped with second mounting and connecting piece, can form effectual being connected through the second mounting connecting piece between fixed beam and foundation ditch wall body, make stable the installing of ladder cage on the foundation ditch wall body and form the upper and lower passageway in the foundation ditch, the installation fastness is high, labour saving and time saving is favorable to improving the installation effectiveness and reduces construction cost.

3. The utility model discloses a detachable connection, the rate of utilization that can have enough to meet the need is high, and the wholeness is strong after the installation, and stable in structure and non-deformable are applicable to in the construction of various foundation pits.

Drawings

Fig. 1 is a front view of the integral fixing device for a ladder cage of the present invention;

fig. 2 is a top view of the whole fixing device for a ladder cage of the present invention.

In the figure, a fixed beam 1, a first fixed rod piece 2, a connecting piece 3, a second fixed rod piece 4, a ladder cage 5 and a foundation pit wall 6.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 and 2, an integral fixing device for a ladder cage comprises a fixed beam 1, a first fixed rod member 2, a connecting member 3, a second fixed rod member 4 and a ladder cage 5; the fixed beams 1 are arranged along the circumferential direction of the outer wall of the ladder cage 5, and the end parts of the two oppositely arranged fixed beams 1 are connected with the ladder cage 5 in a counter-pulling manner through the first fixed rod piece 2; a plurality of connecting piece 3 sets up respectively on fixed beam 1 and the foundation ditch wall body 6 that are close to foundation ditch wall body 6, and the both ends of second fixed member 4 are connected with connecting piece 3 on fixed beam 1 and the foundation ditch wall body 6 respectively, make a plurality of second fixed member 4 interval overlap joint respectively between fixed beam 1 and foundation ditch wall body 6, make ladder cage 5 and a plurality of fixed beam 1 link into an integrated structure and erect in the foundation ditch through first fixed member 2 and second fixed member 4.

Set up fixed beam 1 on the outer wall of ladder cage 5, fixed beam 1's quantity and length are confirmed according to ladder cage 5's shape, wear to establish the drawknot through first fixed rod spare 2 between a plurality of fixed beams 1 and the ladder cage 5 and fix, form monolithic structure. And welding a connecting piece 3 on one of the fixed beams 1, and pre-burying an installation connecting piece 3 on a foundation pit wall body 6, so that the fixed beams 1 and the foundation pit wall body 6 are fixedly connected through a plurality of second fixed rod pieces 4, and the ladder cage 5 is installed on the foundation pit wall body 6 and used as an upper channel and a lower channel of a foundation pit. The number of second fixing bars 4 may be determined according to actual load bearing requirements.

The second fixing rod pieces 4 are respectively connected to the top surface and the bottom surface of the fixing beam 1, the second fixing rod pieces 4 located on the top surface of the fixing beam 1 tilt upwards and extend to the foundation pit wall body 6, and the second fixing rod pieces 4 located on the bottom surface of the fixing beam 1 tilt downwards and extend to the foundation pit wall body 6.

Set up between fixed beam 1 and foundation ditch wall body 6 through 4 upslopes of second fixed member, play the effect of upwards carrying, set up between fixed beam 1 and foundation ditch wall body 6 through 4 downward sloppings of second fixed member, play the effect of upwards supporting to the installation stability and the safety in utilization of whole ladder cage 5 have been guaranteed.

The arrangement interval of the connecting pieces 3 on the fixed beam 1 is larger than that of the connecting pieces 3 on the foundation pit wall 6.

The arrangement distance of the connecting pieces 3 on the foundation pit wall body 6 is small, so that stress points of the second fixing rod pieces 4 on the foundation pit wall body 6 are concentrated, and the setting stability of the ladder cage 5 is further improved.

The fixed beams 1 are four, the four fixed beams 1 are sequentially connected into a groined structure, a pair of opposite fixed beams 1 are connected in a split mode through two first fixed rod pieces 2, and the first fixed rod pieces 2 are perpendicular to the fixed beams 1.

The cross-section of ladder cage 5 is the rectangle structure usually, and four fixed beams 1 are arranged around ladder cage 5, simple to operate, and the structure symmetry, the atress is even, and installation stability is higher.

The cross section of the fixed beam 1 is of a rectangular structure, so that the side end face of the fixed beam 1 can be matched and attached to the outer wall of the ladder cage 5.

The area of contact of fixed beam 1 and terraced cage 5 is big, makes to each fixed beam 1 better at the compressing tightly drawknot effect of terraced cage 5 both sides, and the connection wholeness of fixed beam 1 and terraced cage 5 is better, stable in structure, reliable.

Preferably, fixed beam 1 can adopt the square steel, and first fixed member 2 can adopt the split screw, reserves the split screw on the square steel, is convenient for to the installation of split screw, dismantles conveniently, swiftly, and connecting piece 3 can adopt the lug, and accessible welded mode is fixed on the square steel, simple to operate, and atress bearing capacity is strong, and second fixed member 4 can adopt turn buckle, easy dismounting, swift.

Referring to fig. 1 and fig. 2, the installation method of the present invention is:

the method comprises the steps of manufacturing a ladder cage 5 of a rectangular structure according to the size of a foundation pit, selecting four fixing beams 1 with proper specifications and lengths according to the size of the ladder cage 5, and respectively attaching the four fixing beams 1 to the peripheral outer wall of the ladder cage 5. Two fixed beams 1 and the ladder cage 5 which are arranged oppositely are penetrated and locked through a first fixed rod piece 2, so that the ladder cage 5 and the four fixed beams 1 are connected into an integral structure. The first fixing rod member 2 should be arranged along the inner wall of the ladder cage 5, avoiding occupying the space of the upper and lower passages formed in the ladder cage 5.

Four connecting pieces 3 are welded on one fixed beam 1 close to the foundation pit wall body 6, four connecting pieces 3 are welded on the foundation pit wall body 6, and the four connecting pieces 3 are arranged in a matrix mode. Four second fixing parts 4 are connected between the fixed beam 1 and the foundation pit wall 6 through eight connecting parts, the ladder cage 5 is integrally fixed on the foundation pit wall 6, and an upper channel and a lower channel are formed in the foundation pit.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. An integral fixing device for a ladder cage is characterized in that: comprises a fixed beam (1), a first fixed rod piece (2), a connecting piece (3), a second fixed rod piece (4) and a ladder cage (5); the fixing beams (1) are circumferentially arranged along the outer wall of the ladder cage (5), and the end parts of the two oppositely arranged fixing beams (1) are connected with the ladder cage (5) in a split manner through the first fixing rod piece (2); a plurality of connecting piece (3) set up respectively on fixed beam (1) and the foundation ditch wall body (6) that are close to foundation ditch wall body (6), the both ends of second fixed member spare (4) are connected with connecting piece (3) on fixed beam (1) and the foundation ditch wall body (6) respectively, make a plurality of second fixed member spares respectively the interval overlap joint between fixed beam (1) and foundation ditch wall body (6), make ladder cage (5) and a plurality of fixed beam (1) link into an organic whole structure and erect in the foundation ditch through first fixed member spare (2) and second fixed member spare (4).

2. The integrated fixing device for a ladder cage as set forth in claim 1, wherein: a plurality of second fixed member spare (4) connect respectively on the top surface and the bottom surface of fixed beam (1), be located fixed member spare (4) tilt up of second on fixed beam (1) top surface and extend to foundation ditch wall body (6) on, be located fixed member spare (4) downward sloping on fixed beam (1) bottom surface and extend to foundation ditch wall body (6).

3. A one-piece fixing device for a ladder cage as claimed in claim 1 or 2, wherein: the arrangement interval of the connecting pieces (3) on the fixed beam (1) is larger than that of the connecting pieces (3) on the foundation pit wall body (6).

4. A one-piece cage fastening assembly as claimed in claim 3, wherein: the fixing beam (1) is provided with four fixing beams, the four fixing beams (1) are sequentially connected into a groined structure, a pair of fixing beams (1) which are oppositely arranged are connected in a split mode through two first fixing rod pieces (2), and the first fixing rod pieces (2) are perpendicular to the fixing beams (1).

5. A one-piece fixing device for a ladder cage as claimed in claim 1 or 4, wherein: the cross section of the fixed beam (1) is of a rectangular structure, so that the side end face of the fixed beam (1) can be matched and attached to the outer wall of the ladder cage (5).