Rigid contact net suspension device suitable for air pipe tuyere

Abstract

The utility model discloses a rigid catenary suspension device suitable for air duct tuyeres, which comprises a fixed davit, a vertical suspension beam and a connecting base, the fixed davit is arranged on structural air duct bottom plates on two sides of the air duct tuyeres, the fixed davit comprises a davit bottom plate, the center of the bottom surface of the davit bottom plate is connected with one end part of H-shaped steel, and the other end part of the H-shaped steel is connected with the connecting base. The two grounding plates are connected to the two sides of the bottom surface of the davit bottom plate, davit connecting holes are formed in the four corners of the hanging bottom plate, and the fixed davit is fixed to the structural air duct bottom plate through the davit connecting holes by using chemical anchor bolts; the two ends of the vertical suspension cross beam are connected with the fixed hanging columns on the two sides through connecting bases respectively, the vertical suspension cross beam comprises a square tube body, and a pull-out value adjusting hole is formed in a tube body of the square tube body. According to the utility model, the rigid catenary can be installed without adjusting the span, and can be installed according to the originally designed span, so that the smoothness of the rigid catenary is effectively ensured, and the operation stability of the catenary is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rigid contact network installation, and in particular relates to a rigid contact network suspension device suitable for under an air duct air outlet. Background Art

[0002] Most subway stations are underground stations. The civil structure above the track in the platform section of the station is a structural air duct, which is equipped with air holes at certain intervals. Usually, in the non-air hole section of the low-headroom structural air duct of the station, the rigid contact network suspension installation form is realized through a vertical suspension base, but for the suspension point that is exactly at the air hole, the installation limit of the suspension point is a hollow structure and it is impossible to directly fix the rigid contact network support suspension device by drilling and embedding bolts.

[0003] Traditionally, the suspension device is installed by rearranging the span of the suspension points and staggering the air vents. This method requires rechecking and adjusting the span, which increases the workload and affects the construction period. Based on this, it is necessary to develop a rigid contact network suspension device suitable for under the air duct outlet to support the fixed installation of the suspension device. Utility Model Content

[0004] In order to solve the technical problem that it is impossible to drill holes at the air vents of a station to embed bolts for fixing and installing the contact network, the utility model provides a rigid contact network suspension device suitable for under the air vents of an air duct.

[0005] The technical scheme adopted by the utility model is: a rigid contact network suspension device suitable for under the air duct outlet, including a fixed suspension column, a vertical suspension beam and a connecting base, the fixed suspension column is arranged on the structural air duct bottom plate on both sides of the air hole opening, the fixed suspension column includes a suspension column bottom plate, the center of the bottom surface of the suspension column bottom plate is connected to one end of the H-shaped steel, two grounding plates are connected on both sides of the bottom surface of the suspension column bottom plate, suspension column connecting holes are opened at the four corners of the hanging bottom plate, the fixed suspension column is fixed to the structural air duct bottom plate through the suspension column connecting holes using chemical anchor bolts; the vertical suspension beam spans the air hole opening, and the two ends are respectively connected to the fixed suspension columns on both sides through the connecting base, the vertical suspension beam includes a square tube body, and the square tube body is provided with a pull-out value adjustment hole.

[0006] Furthermore, the connecting base includes a base A plate, a base B plate and a stiffening plate. The base A plate and the base B plate are vertically connected in an L shape. The stiffening plate of a right triangle is connected between the base A plate and the base B plate. The base A plate is provided with an A-side connecting hole, the base B plate is provided with a B-side connecting hole, beam connecting holes corresponding to the A-side connecting holes are respectively provided on both sides of the square tube body, and base connecting holes corresponding to the B-side connecting holes are provided on the lower part of the H-shaped steel. The fixed hanging column is connected to the connecting base through the hanging column connecting bolts, and the vertical suspension beam is connected to the connecting base through the beam connecting screw.

[0007] Further, the suspension post connection bolts are provided with two nuts and two gaskets, and the crossbeam connection screw rods are provided with two nuts and two gaskets.

[0008] Further, the components fixing the suspension post, vertically suspending the crossbeam and connecting the base are connected by welding.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] Compared with the traditional method of installing the suspension device by rearranging the suspension points and staggering the span of the air holes, a rigid catenary suspension device applicable to the lower part of the air duct air outlet is used for fixation. There is no need to re-check and adjust the span, which can save time, shorten the construction period, and does not change the original designed span, and can ensure the smoothness of the catenary in this anchor section to the greatest extent and improve the stability of the catenary system. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic structural diagram of the present utility model;

[0012] Figure 2 is a front view of the fixed suspension post of the present utility model;

[0013] Figure 3 is a bottom view of the fixed suspension post of the present utility model;

[0014] Figure 4 is a top view of the vertically suspended crossbeam of the present utility model;

[0015] Figure 5 is a bottom view of the connection base of the present utility model;

[0016] Figure 6 is a side view of the connection base of the present utility model.

[0017] In the figure: 1. Fixed suspension post; 1.1. Suspension post bottom plate; 1.2. H-shaped steel; 1.3. Suspension post connection hole; 1.4. Base connection hole; 1.5. Earthing plate; 2. Vertically suspended crossbeam; 2.1. Square tube body; 2.2. Pull-out value adjustment hole; 2.3. Crossbeam connection hole; 3. Connection base; 3.1. Base A plate; 3.2. Stiffening plate; 3.3. A-surface connection hole; 3.4. Base B plate; 3.5. B-surface connection hole; 4. Suspension post connection bolt; 5. Crossbeam connection bolt; 6. Chemical anchor bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In order to better understand the purpose, structure and function of the present utility model, the following further describes in detail a large-span rigid catenary suspension installation device for a station of the present utility model with reference to the drawings.

[0019] As Figure 1As shown in the figure, this example provides a rigid catenary suspension device applicable under the air duct air outlet, including a fixed suspension post 1, a vertical suspension crossbeam 2, and a connection base 3. The fixed suspension post 1 is fixed under the structural air duct floor on both sides of the air hole. The vertical suspension crossbeam 2 spans the air hole, and both ends are respectively connected to the fixed suspension posts 1 on both sides through the connection base 3.

[0020] As Figure 2 and Figure 3 As shown in the figure, the fixed suspension post 1 is composed of a suspension post base plate 1.1, an H-shaped steel 1.2, and two earthing plates 1.5. One end of the H-shaped steel 1.2 is welded and fixed at the center of the bottom surface of the suspension post base plate 1.1, and the two earthing plates 1.5 are respectively welded and fixed on both sides of the bottom surface of the suspension post base plate 1.1. Four suspension post connection holes 1.3 are opened at the four corners of the suspension post base plate 1.1, and four base connection holes 1.4 are opened at the lower part of the H-shaped steel 1.2.

[0021] As Figure 4 As shown in the figure, the vertical suspension crossbeam 2 includes a square tube body 2.1. Crossbeam connection holes 2.3 are opened on both sides of the square tube body 2.1, and the crossbeam connection holes 2.3 on both sides are symmetrically distributed. A pull-out value adjustment hole 2.2 is opened on the tube body of the square tube body 2.1.

[0022] As Figure 5 and Figure 6 As shown in the figure, the connection base 3 is composed of a base A plate 3.1, a base B plate 3.4, and a stiffening plate 3.2. The base A plate 3.1 and the base B plate 3.4 are in an L shape. The base A plate 3.1 and the base B plate 3.4 are respectively welded to the two right-angle sides of the right-angled triangle stiffening plate 3.2. Four A-surface connection holes 3.3 are opened on the base A plate 3.1 corresponding to the crossbeam connection holes 2.3, and four B-surface connection holes 3.5 are opened on the base B plate 3.4 corresponding to the base connection holes 1.4.

[0023] The fixed suspension post 1 is fixed on the structural air duct floor through the suspension post connection holes 1.3 using chemical anchor bolts 6. The fixed suspension post 1 is connected to the connection base 3 through suspension post connection bolts 4. The suspension post connection bolts 4 are equipped with two nuts and two gaskets. The vertical suspension crossbeam 2 is connected to the connection base 3 through crossbeam connection screws 5. The crossbeam connection screws 5 are equipped with two nuts and two gaskets.

[0024] This device solves the problem that it is impossible to punch holes and embed bolts for catenary fixed installation at the air holes of the station, and there is no need to install by adjusting the span. It can be installed according to the original designed span, effectively ensuring the smoothness of the rigid catenary and greatly improving the stability of catenary operation.

[0025] It can be understood that the present utility model is described through some embodiments. Those skilled in the art know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present utility model. Additionally, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

Claims

1. A rigid contact network suspension device suitable for use under an air duct outlet, characterized in that: The invention comprises a fixed hanging column (1), a vertical suspension beam (2) and a connection base (3), wherein the fixed hanging column (1) is arranged on the structural air duct bottom plate on both sides of the air hole opening, the fixed hanging column (1) comprises a hanging column bottom plate (1.1), the center of the bottom surface of the hanging column bottom plate (1.1) is connected to one end of an H-shaped steel (1.2), two sides of the bottom surface of the hanging column bottom plate (1.1) are connected to two grounding plates (1.5), the four corners of the hanging column bottom plate (1.1) are provided with hanging column connection holes (1.3), and the fixed hanging column (1) is fixed to the structural air duct bottom plate through the hanging column connection holes (1.3) using chemical anchor bolts (6); the vertical suspension beam (2) spans the air hole opening, and the two ends are respectively connected to the fixed hanging columns (1) on both sides through the connection base (3), and the vertical suspension beam (2) comprises a square tube body (2.1), and the square tube body (2.1) is provided with a pull-out value adjustment hole (2.2) on the tube body.

2. The rigid contact network suspension device applicable to the air outlet of the air duct according to claim 1 is characterized in that: The connecting base (3) comprises a base A plate (3.1), a base B plate (3.4) and a stiffening plate (3.2); the base A plate (3.1) and the base B plate (3.4) are vertically connected in an L shape; a right-angled triangle stiffening plate (3.2) is connected between the base A plate (3.1) and the base B plate (3.4); the base A plate (3.1) is provided with an A-surface connecting hole (3.3); the base B plate (3.4) is provided with a B-surface connecting hole (3.5); beam connecting holes (2.3) corresponding to the A-surface connecting holes (3.3) are respectively provided on both sides of the square tube body (2.1); a base connecting hole (1.4) corresponding to the B-surface connecting hole (3.5) is provided at the lower part of the H-shaped steel (1.2); the fixed hanging column (1) is connected to the connecting base (3) through a hanging column connecting bolt (4); and the vertical hanging beam (2) is connected to the connecting base (3) through a beam connecting screw (5).

3. The rigid contact network suspension device applicable to the air outlet of the air duct according to claim 2 is characterized in that: The suspension column connecting bolt (4) is equipped with two nuts and two washers, and the crossbeam connecting screw (5) is equipped with two nuts and two washers.

4. The rigid contact network suspension device for use under the air duct outlet according to any one of claims 1 to 3, characterized in that: The components of the fixed suspension column (1), the vertical suspension beam (2) and the connection base (3) are connected by welding.

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