CN219366111U - Parallel connecting device for installing contact net channel in tunnel - Google Patents

Abstract

The utility model provides a parallel connection device for installing a contact net channel in a tunnel, which comprises a channel, wherein the top of the channel is provided with a grounding ring, a connecting plate is arranged inside the grounding ring, a first nut is arranged inside a screw rod, a bolt is arranged at the rear part of the first nut, a jumper is arranged at the top of the bolt, a gland is arranged at the side edge of the jumper, a gasket is arranged inside the gland, a second nut is arranged inside the gasket, and a reinforcing steel bar is arranged at the top of the second nut. This contact net channel installation parallel connection device in tunnel installs inside the gland through the gasket, and the second nut is installed inside the gasket, fixes the reinforcing bar through the gland, makes the installation that the reinforcing bar can be firm in the gland through gasket and second nut to make the tunnel top connect through the reinforcing bar, and then form the effect of ground connection, make channel and reinforcing bar connect simultaneously, make whole ability mutual operation, and make the staff conveniently install and dismantle the reinforcing bar.

Description

Parallel connecting device for installing contact net channel in tunnel

Technical Field

The utility model relates to the technical field of railway engineering construction, in particular to a parallel connection device for installing a contact net channel in a tunnel.

Background

The installation suspension of the overhead contact system in the tunnel is basically fixed by adopting a pre-buried channel mode, wherein the special channel of the overhead contact system is pre-buried in the tunnel lining and synchronous construction with the tunnel lining is required.

The overhead contact system is a high-voltage transmission line for current taking of a pantograph in an electrified railway, and is responsible for an important task of directly transmitting electric energy obtained from traction power transformation to an electric locomotive for use, so that the quality and working state of the overhead contact system directly influence the transportation capacity of the electrified railway; the installation and positioning of the contact net embedded channel is one of very important key working procedures in the tunnel construction process.

At present, the overhead line system channel in traditional tunnel is after the installation, overhead line system's atress and vibration are broken the wholeness of tunnel lining easily, can not satisfy the strength requirement of high-speed train aerodynamic force to the erection equipment in the tunnel and the foundation of burying, and the interval between the inside channel of tunnel lining appears the deviation, lead to unable installation overhead line, reduced holistic intensity, in the electric power transmission and distribution in-process, the condition of heating expansion takes place during the electric current transport, the overhead line channel in the result in the tunnel changes, if handle untimely deformation or the slope that can lead to the overhead line channel in the tunnel, brought certain danger, the loss that causes simultaneously will be huge.

Disclosure of Invention

In view of the above-mentioned defect or not enough among the prior art, this application aims at providing a contact net channel installation parallel connection device in tunnel, including the channel, the channel top is equipped with the ground ring, the inside connecting plate that is equipped with of ground ring, the inside screw rod that is equipped with of connecting plate, the inside first nut that is equipped with of screw rod, first nut rear portion is equipped with the bolt, the bolt top is equipped with the wire jumper, the wire jumper side is equipped with the gland, the gland is inside to be equipped with the gasket, the inside second nut that is equipped with of gasket, second nut top is equipped with the reinforcing bar.

Preferably, the ground ring is fixedly mounted on the upper surface of the channel.

Preferably, the connecting plate is fixedly connected to the inner wall of the grounding ring, the screw is in threaded connection with the inner wall of the connecting plate, the first nut is in threaded connection with the inner wall of the screw, the bolt is in threaded connection with the rear wall of the first nut, and the jumper is fixedly arranged on the upper surface of the bolt.

Preferably, the gland is fixedly arranged on one side of the jumper wire, the gasket is fixedly arranged on the inner wall of the gland, the second nut is connected with the inner wall of the gasket through threads, and the reinforcing steel bars are fixedly arranged on the upper surface of the second nut.

The beneficial effects are that:

1. this contact net channel installation parallel connection device in tunnel has reached at the channel top through the earth ring and has been favorable to strengthening holistic linear structure in lining the surface layer through the channel, make whole through earth ring and channel ability even atress, guarantee the atress of contact net and vibration etc. can not break tunnel lining's wholeness, can satisfy the high-speed train wind power simultaneously and to the intensity requirement of installing equipment and embedding basis in the tunnel, also can reach the installation standard of high-speed contact net, and then ensure the safety of overall operation through the earth ring, prevent that the interval between the inside channel of tunnel lining from appearing the deviation, lead to unable installation contact net, effectively strengthen holistic intensity, and can greatly alleviate staff's intensity of labour.

2. This contact net channel installation parallel connection device in tunnel has reached inside making screw rod and first nut and bolt fixed the wire jumper through the connecting plate, reach the fixed effect of connection, when installing the wire jumper, fix the wire jumper on the connecting plate through the bolt, thereby twist the wire jumper on the screw rod through first nut, reach the fixed to the wire jumper, make the wire jumper can firm install on the connecting plate, effectively avoid the drop of wire jumper, in the electric power transmission and distribution process, the condition of heating expansion takes place when preventing the electric current and carries, the contact net channel changes in the tunnel is led to, if handle the deformation or the slope of contact net channel in the untimely contact net channel of can leading to in the tunnel, thereby eliminate the change of contact net channel in the tunnel through the wire jumper, the security that the contact net channel was used in the protection tunnel, improve the effect of transmission efficiency through the wire jumper simultaneously.

3. The parallel connecting device is used for grounding the overhead contact system in the railway tunnel, lightning stroke can be avoided, power failure of the overhead contact system caused by short circuit is avoided, driving safety is endangered, mechanical connection is adopted between parts, a traditional welding mode is avoided, and fire disaster caused by welding can be avoided.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a schematic view of a left-hand perspective structure of the present utility model;

FIG. 2 is a right-side perspective view of the present utility model;

fig. 3 is a schematic diagram of the front view structure of the present utility model.

In the figure: 1. a channel; 2. a ground ring; 3. a connecting plate; 301. a bolt; 4. a screw; 5. a first nut; 6. a jumper wire; 7. a gland; 8. a gasket; 9. a second nut; 10. reinforcing steel bars.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

The drawings in the embodiments of the utility model: the different kinds of cross-sectional lines in the drawings are not marked according to national standards, and the material of the elements is not required, so that the cross-sectional views of the elements in the drawings are distinguished.

Referring to fig. 1-3, a parallel connection device for installing contact network channels in tunnels comprises a channel 1, wherein a grounding ring 2 is arranged at the top of the channel 1, a connecting plate 3 is arranged inside the grounding ring 2, a screw 4 is arranged inside the connecting plate 3, a first nut 5 is arranged inside the screw 4, a bolt 301 is arranged at the rear part of the first nut 5, a jumper wire 6 is arranged at the top of the bolt 301, a gland 7 is arranged on the side edge of the jumper wire 6, a gasket 8 is arranged inside the gland 7, a second nut 9 is arranged inside the gasket 8, and a reinforcing steel bar 10 is arranged at the top of the second nut 9.

Wherein, install at channel 1 top through ground ring 2, and be favorable to strengthening holistic linear structure in lining up the surface layer through channel 1, make whole through ground ring 2 and channel 1 can even atress, guarantee that the atress and the vibration etc. of contact net can not break tunnel lining's wholeness, can satisfy the high-speed train wind power simultaneously and to the intensity requirement of installing equipment and embedding basis in the tunnel, also can reach the installation standard of high-speed contact net, and then ensure the safety of whole operation through ground ring 2, prevent that the interval between channel 1 inside tunnel lining from appearing the deviation, lead to unable installation contact net, effectively strengthen holistic intensity, and can greatly alleviate staff's intensity of labour.

Wherein install inside ground ring 2 through connecting plate 3, make screw rod 4 and first nut 5 and bolt 301 can fix wire jumper 6, reach the effect of connecting fixedly, when installing wire jumper 6, fix wire jumper 6 on connecting plate 3 through bolt 301, thereby twist wire jumper 6's fixed on screw rod 4 through first nut 5, it can firm the installation on connecting plate 3 to reach wire jumper 6, effectively avoid wire jumper 6's drop, in the electric power transmission and distribution process, the condition of heating expansion takes place when preventing the electric current and carrying, lead to tunnel interior contact net channel 1 to change, if the processing can not in time lead to tunnel interior contact net channel 1's deformation or slope, thereby eliminate tunnel interior contact net channel 1's change through wire jumper 6, the security of protecting tunnel interior contact net channel 1 use, simultaneously through wire jumper 6 the effect of improvement transmission efficiency.

Wherein, install inside gland 7 through gasket 8, second nut 9 installs inside gasket 8, fix reinforcing bar 10 through gland 7, make the installation that reinforcing bar 19 can stabilize in gland 7 through gasket 8 and second nut 9 to make the tunnel top connect through reinforcing bar 10, and then form the effect of ground connection, make channel 1 and reinforcing bar 10 connect simultaneously, make whole ability mutual operation, and make the staff conveniently install and dismantle reinforcing bar 10.

When in use, the grounding ring 2 is arranged at the top of the channel 1, and the channel 1 is beneficial to strengthening the integral linear structure in the lining surface layer, so that the integral grounding ring 2 and the channel 1 can be uniformly stressed, the stress, vibration and the like of the overhead contact system can be ensured, the integrity of the tunnel lining can not be damaged, meanwhile, the strength requirements of the wind power of a high-speed train on the installation equipment and the embedded foundation in the tunnel can be met, the installation standard of the high-speed overhead contact system can be met, the safety of integral operation is ensured through the grounding ring 2, the gap between the channels 1 in the tunnel lining is prevented from being deviated, the overhead contact system cannot be installed, the integral strength is effectively enhanced, the labor intensity of workers can be greatly reduced, the screw 4, the first nut 5 and the bolt 301 can fix the jumper wire 6 through the connecting plate 3, the effect of connection and fixation is achieved, when the jumper wire 6 is installed, the jumper wire 6 is fixed on the connecting plate 3 through the bolt 301, thereby the jumper wire 6 is twisted on the screw 4 through the first nut 5, the jumper wire 6 is firmly installed on the connecting plate 3, the falling off of the jumper wire 6 is effectively avoided, the condition of heating expansion during current transmission is prevented in the power transmission and distribution process, the change of the contact network channel 1 in a tunnel is caused, if the deformation or inclination of the contact network channel 1 in the tunnel is caused due to untimely treatment, the change of the contact network channel 1 in the tunnel is eliminated through the jumper wire 6, the use safety of the contact network channel 1 in the tunnel is protected, meanwhile, the effect of improving the transmission efficiency through the jumper wire 6 is achieved, the jumper wire 6 is installed in the gland 7, the second nut 9 is installed in the gasket 8, the reinforcing steel bar 10 is fixed through the gland 7, the reinforcing steel bars 19 can be stably installed in the gland 7 through the gaskets 8 and the second nuts 9, so that the tops of tunnels are connected through the reinforcing steel bars 10, the effect of grounding is further achieved, the channels 1 and the reinforcing steel bars 10 are connected, the whole can mutually run, and workers can conveniently install and detach the reinforcing steel bars 10.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (4)

1. The utility model provides a contact net channel installation parallel connection device in tunnel, includes channel (1), its characterized in that: the utility model discloses a cable duct, including connecting plate (3), channel (1), wire jumper (6), gland (7), gasket (8) inside is equipped with connecting plate (3), connecting plate (3) inside is equipped with screw rod (4), screw rod (4) inside is equipped with first nut (5), first nut (5) rear portion is equipped with bolt (301), bolt (301) top is equipped with wire jumper (6), wire jumper (6) side is equipped with gland (7), gland (7) inside is equipped with gasket (8), gasket (8) inside is equipped with second nut (9), second nut (9) top is equipped with reinforcing bar (10).

2. The in-tunnel catenary channel installation parallel connection device according to claim 1, wherein: the grounding ring (2) is fixedly arranged on the upper surface of the channel (1).

3. The in-tunnel catenary channel installation parallel connection device according to claim 1, wherein: the connecting plate (3) is fixedly connected to the inner wall of the grounding ring (2), the screw rod (4) is in threaded connection with the inner wall of the connecting plate (3), the first nut (5) is in threaded connection with the inner wall of the screw rod (4), the bolt (301) is in threaded connection with the rear wall of the first nut (5), and the jumper wire (6) is fixedly arranged on the upper surface of the bolt (301).

4. The in-tunnel catenary channel installation parallel connection device according to claim 1, wherein: the gland (7) is fixedly arranged on one side of the jumper wire (6), the gasket (8) is fixedly arranged on the inner wall of the gland (7), the second nut (9) is connected with the inner wall of the gasket (8) in a threaded mode, and the reinforcing steel bars (10) are fixedly arranged on the upper surface of the second nut (9).