CN214028303U

CN214028303U - Subway people prevents removing contact net

Info

Publication number: CN214028303U
Application number: CN202023088187.5U
Authority: CN
Inventors: 佟尚; 韩亚; 房罡; 刘海斌
Original assignee: CHANGZHOU INSTITUTE OF NUMERICAL CONTROL TECHNOLOGY
Current assignee: CHANGZHOU INSTITUTE OF NUMERICAL CONTROL TECHNOLOGY
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-24
Anticipated expiration: 2030-12-21

Abstract

The utility model belongs to the technical field of the rail transit, a subway people prevents moving contact net is related to, first mount and the second mount that sets up including the interval to and sliding connection is at the support frame on first mount and second mount, support frame one side is equipped with the busbar, and the opposite side is equipped with running gear, running gear can drive the support frame and carry out the back-and-forth movement, thereby realizes that the support frame connects first mount and second mount, or breaks off the connection between first mount and the second mount, running gear is including installing two at least driving motor on the support frame, be equipped with on the driving motor output shaft with first mount on rack engaged with gear. The utility model has the advantages of simple structure, convenient operation, reliable and stable, positioning accuracy is high, can break off the contact net temporarily before people's air defense door emergency shut to can resume the back and connect the contact net fast, in need not personnel's adventure entering tunnel, improved the security performance greatly.

Description

Subway people prevents removing contact net

Technical Field

The utility model belongs to the technical field of the track traffic, concretely relates to subway people prevents removing contact net.

Background

With the rapid development of urban rail transit construction in China, the form of a rigid suspension contact net is widely adopted. The rigid suspension contact net is a system formed by embedding contact lines into bus bars which are connected end to end, is an important device for power supply of electrified railway locomotives and rail transit vehicles, and the quality of the rigid suspension contact net directly influences the running of the locomotives.

Civil defense doors are designed in the construction of urban subway tunnels, flood prevention doors are designed when the tunnels penetrate through the lower part of a river channel, and the civil defense doors and the flood prevention doors of the tunnels need to be closed quickly when rigid suspension contact networks meet special conditions of war, fire and serious water leakage so as to ensure the safety of the tunnels and personnel. However, under the blocking of busbar, people's air defense door, flood gate can't thoroughly close, need dispatch special personnel and enter into the tunnel, dismantle one section busbar of people's air defense door, flood gate department from whole contact net system, when the condition is urgent or the coming water is great, personnel just can't enter into the tunnel, even can get into the tunnel, because current design problem also make dismantle with the recovery all waste time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the design to current subway civil air defense contact net is not convenient for break off and reconnection, a simple structure of design, reliable and stable, positioning accuracy is high, can break off the contact net temporarily before civil air defense door or flood gate emergency shutdown to can be fast after resuming the subway civil air defense removal contact net on connecting the contact net.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a subway people prevents removing contact net, includes first mount and the second mount that the interval set up to and sliding connection is at the support frame on first mount and second mount, support frame one side is equipped with the busbar, and the opposite side is equipped with running gear, running gear can drive the support frame and carry out the back-and-forth movement, thereby realizes that the support frame connects first mount and second mount, or breaks off the connection between first mount and the second mount.

Preferably, the traveling mechanism comprises at least two driving motors arranged on the support frame, and a gear meshed with the rack on the first fixing frame is arranged on an output shaft of the driving motor.

Preferably, still be equipped with hand cranking device between support frame and the first mount, hand cranking device sets up between two driving motor, hand cranking device includes the pivot, pivot one end is used for connecting and rotates the spanner, and the other end meshes with the rack mutually.

Preferably, a plurality of first carrier rollers are arranged below one side of the support frame, which is close to the first fixing frame and one side of the second fixing frame, and carrier roller grooves matched with the first carrier rollers are arranged on the first fixing frame and the second fixing frame.

Preferably, the top that the support frame is close to first mount and second mount one side is equipped with walking mounting panel and a plurality of second bearing roller, and is a plurality of second bearing roller symmetric distribution is both ends around the mounting panel of walking, the one end that the support frame was kept away from to the walking mounting panel is equipped with a plurality of gyro wheels, second bearing roller and gyro wheel set up respectively on the top surface and the lateral surface of first mount.

Preferably, the second carrier roller is a V-shaped carrier roller, and a guide strip matched with the V-shaped carrier roller is arranged on the top surface of the second fixing frame.

Preferably, the front end and the rear end of the first fixing frame are respectively provided with a limiting component matched with the two ends of the walking mounting plate, and the limiting components are used for limiting the distance of the supporting frame moving back and forth along the first fixing frame.

After the technical scheme is adopted, the utility model provides a pair of subway people prevents removing contact net has following beneficial effect:

the utility model realizes the connection of the first fixing frame and the second fixing frame or the disconnection of the connection design between the first fixing frame and the second fixing frame through the back-and-forth movement of the supporting frame, thereby realizing the disconnection and reconnection of the subway contact network in the tunnel, and facilitating the emergency closing of the civil air defense door in the tunnel and the normal operation of the opened traffic; through the design that the two driving motors are provided with two power supplies, the other power supply can be started when one power supply loop is broken, and the stability of the subway civil air defense mobile contact network in operation is ensured; through the design of the hand-operated device, the contact net has the functions of manual disconnection and connection, and can be manually operated in emergency situations without a power supply or when the contact net cannot be automatically moved and disconnected; through the design of the first carrier roller, the second carrier roller and the roller, the contact net has better strength and rigidity in the operation process, and the equipment does not deform after being used for a long time; the design that the second carrier roller is positioned on the top surfaces of the first fixing frame and the second fixing frame can prevent the cantilever of the support frame from deforming; through the design that the second carrier roller is a V-shaped carrier roller and the design of the guide strip matched with the second carrier roller on the second fixing frame, the contact line can be effectively ensured to be positioned on a straight line in the moving process. Therefore, the utility model has the advantages of simple structure, convenient operation, reliable and stable, positioning accuracy is high, can break off the contact net temporarily before people's air defense door or the flood gate emergency shutdown to can be connected the contact net fast after resumeing, in need not personnel's adventure entering tunnel, improved the security performance greatly.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 1;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

fig. 5 is a front view of fig. 4.

Wherein: the device comprises a first fixing frame 1, a second fixing frame 2, a supporting frame 3, a bus bar 4, a traveling mechanism 5, a driving motor 6, a rack 7, a gear 8, a hand-cranking device 9, a rotating shaft 10, a first carrier roller 11, a carrier roller groove 12, a traveling mounting plate 13, a second carrier roller 14, a roller 15, a guide bar 16, a limiting component 17, a supporting frame 18 and a sliding roller 19.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

Example one

The subway personal protection mobile contact net of the embodiment is a single-line mobile contact net which is used for only one contact line in one tunnel and is installed in a relatively straight tunnel section as shown in figures 1-3, and comprises a first fixing frame 1 and a second fixing frame 2 which are respectively fixed at the top of the tunnel through hanging posts, wherein the first fixing frame 1 and the second fixing frame 2 are arranged on the same straight line (the first fixing frame 1 and the second fixing frame 2 can be arranged on different straight lines in a staggered mode, as long as the support frame 3 can be guaranteed to be supported by the first fixing frame 1 and the second fixing frame 2, the first fixing frame 1 and the second fixing frame 2 are arranged at intervals corresponding to the positions of a tunnel personal protection door (the personal protection isolating door can fall from the top and can also be pushed out from the side, the interval distance between the first fixing frame and the second fixing frame is slightly larger than the thickness of the personal protection isolating door), that is, the first fixing frame 1 is arranged on one side of the civil air defense door through the hanging post, the second fixing frame 2 is arranged on the other side of the civil air defense door through the hanging post, and a first fixing bus bar and a second fixing bus bar are respectively arranged at the end positions which are far away from each other corresponding to the first fixing frame 1 and the second fixing frame 2.

The embodiment also comprises a support frame 3 which is connected with the first fixing frame 1 and the second fixing frame 2 in a sliding way, one end of the support frame 3 is connected with the busbar 4 through an insulator, a contact line is arranged in a groove at the lower end of the busbar 4, the other end of the support frame is provided with a travelling mechanism 5, the travelling mechanism 5 can drive the support frame 3 to move back and forth, so that the support frame 3 is connected with the first fixing frame 1 and the second fixing frame 2 or is disconnected from the first fixing frame 1 and the second fixing frame 2, the connection or disconnection of the first fixing busbar and the second fixing busbar can be realized in the process of driving the busbar 4 to move back and forth through the support frame 3, and when the first fixing busbar and the second fixing busbar are connected through the busbar 4, two ends of the contact line of the busbar 4 respectively have coincidence transition with the contact lines of a certain length with the first fixing busbar and the second fixing busbar, can guarantee the vehicle stable power supply when passing through, it is preferred, busbar 4's contact line design length is about 25 meters, and both ends and fixed contact net excess length are about 5 ~ 7 meters, reserve people's air defense door width about 0.5 meter, and the insulator is apart from the tunnel top about 0.5 meter.

Specifically, the traveling mechanism 5 comprises at least two driving motors 6 arranged on the support frame 3, so that the support frame 3 is provided with two driving power supplies, when one power supply loop is broken, the other power supply can be started, and the stability of the subway civil air defense mobile contact network during operation is ensured, a gear 8 meshed with a rack 7 on the first fixing frame 1 is arranged on an output shaft of the driving motor 6, the driving gear 8 moves back and forth along the rack 7 through the forward rotation and the reverse rotation of the driving motor 6, so that the back and forth movement of the support frame 3 is realized, the driving motor 6 has the functions of automatic starting and braking, and is used for realizing the automatic operation that the support frame 3 drives the busbar 4 to move back and forth and the position locking after connection or disconnection, a hand-operated device 9 is also arranged between the two driving motors 6, the hand-operated device 9 is arranged between the two driving motors 6, the hand-operated device 9 comprises a rotating shaft 10, one end of the rotating shaft 10 is used for connecting a rotary wrench, the other end of the rotating shaft is meshed with the rack 7, the contact net has the functions of manual disconnection and connection through the design of the hand-operated device 9, the contact net can be manually operated when no power supply exists or automatic movement and disconnection cannot occur in emergency, a plurality of first carrier rollers 11 are arranged below one side of the support frame 3 close to the first fixing frame 1 and the second fixing frame 2, carrier roller grooves 12 matched with the first carrier rollers 11 are arranged on the first fixing frame 1 and the second fixing frame 2, a walking mounting plate 13 and a plurality of second carrier rollers 14 are arranged above one side of the support frame 3 close to the first fixing frame 1 and the second fixing frame 2, the plurality of second carrier rollers 14 are symmetrically distributed at the front end and the rear end of the walking mounting plate 13, and one end of the walking mounting plate 13 far away from the support, the second carrier roller 14 and the roller 15 are respectively arranged on the top surface and the outer side surface of the first fixing frame 1, the first carrier roller 11, the second carrier roller 14 and the roller 15 are designed, so that the contact net has better strength and rigidity in the operation process, and the contact net does not deform after long-time use, because the first fixing frame 1 and the second fixing frame 2 are arranged on the same straight line, the second carrier roller 14 is positioned on the top surface of the first fixing frame 1, when the support frame 5 moves to the second fixing frame 2, the second carrier roller 14 is also positioned on the top surface of the second fixing frame 2, the cantilever deformation of the support frame 3 can be prevented through the design that the second carrier roller 14 is positioned on the top surfaces of the first fixing frame 1 and the second fixing frame 2, the second carrier roller 14 is a V-shaped carrier roller, the guide strip 16 matched with the V-shaped carrier roller is arranged on the top surface of the second fixing frame 2, so that the contact line can be effectively ensured to be positioned on the same straight line in the moving process, and the front end and the rear end of the first fixing frame 1 are respectively provided with a limiting component 17 matched with the two ends of the walking mounting plate 13, and the limiting components are used for limiting the distance of the support frame 3 moving back and forth along the first fixing frame 1.

It should be noted that the second supporting roller 14 is not limited to the "V" type design, and those skilled in the art can make various structural modifications as long as the second supporting roller 14 and the guide strip 16 have a matching structure, which can effectively ensure that the contact line is in a straight line during the moving process, and is not limited in particular.

When the subway anti-movement contact network is used, the first fixed busbar, the second fixed busbar and the busbar 4 on the support frame 3 are all used for providing electric energy for running of a train, in an initial state, the support frame 3 is simultaneously connected to the first fixing frame 1 and the second fixing frame 2, the busbar 4 is connected with the first fixed busbar and the second fixed busbar at two ends, the train runs normally, at the moment, the support frame 3 is located below a civil defense door, and the civil defense door cannot be closed; when an emergency situation occurs in the tunnel and the civil air defense door needs to be closed, the support frame 3 is driven by the traveling mechanism 5 to move to the position of the limiting part 17 far away from one end of the second fixing frame 2 along the first fixing frame 1 in the direction far away from the second fixing frame 2, at the moment, the busbar 4 completely moves to one side of the first fixing frame 1 and is disconnected with the second fixing busbar, namely, the contact net is moved to be disconnected, and the civil air defense door automatically falls down from top to bottom; after the tunnel resumes, the people's air defense door is opened, and running gear 5 drive support frame 3 moves to the locating part 17 department that is close to second mount 2 one end along first mount 1 to the direction that is close to second mount 2, and at this moment, support frame 3 resumes initial position, and busbar 4 connects the first fixed busbar and the second fixed busbar at both ends, and the removal contact net resumes the connection.

Example two

The subway anti-moving contact net is basically the same as the structure of the first embodiment, and is different in that as shown in fig. 4-5, the two-line moving contact net is used for a tunnel and is provided with two contact lines in an up-down direction and a left-right direction symmetrically arranged in a relatively straight tunnel section, the two contact lines in the up-down direction and the left-right direction are respectively provided with a first fixing frame 1 and a second fixing frame 2 which are arranged at intervals, a cross beam shared between the fixing frames in the left-right direction is fixed at the top of the tunnel through a hanging post, so that the weights of two sides can be balanced, and the supporting frames 3 of the two contact lines can be moved simultaneously or respectively and can be set through electrical control according to actual needs.

It should be noted that, in order to further ensure the structural stability, the bottom of the second fixing frame 2 is further provided with a supporting frame 18 which extends outward and matches with the bottom of the first fixing frame 1, and the first fixing frame 1 is provided with a sliding roller 19 which matches with the supporting frame.

To sum up, the utility model provides a pair of subway people prevents removing contact net has simple structure, convenient operation, and is reliable and stable, and positioning accuracy advantage such as high can break off the contact net temporarily before people's air defense door or prevent flooding door or prevent that fire door promptly closes to can resume the back and connect the contact net fast, need not in personnel's adventure entering tunnel, improved the security performance greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a subway people prevents removing contact net which characterized in that: including first mount (1) and second mount (2) that the interval set up to and support frame (3) of sliding connection on first mount (1) and second mount (2), support frame (3) one side is equipped with busbar (4), and the opposite side is equipped with running gear (5), running gear (5) can drive support frame (3) and carry out the back-and-forth movement, thereby realize that first mount (1) and second mount (2) are connected in support frame (3), or break off the connection between first mount (1) and second mount (2).

2. The subway people movement-prevention contact net according to claim 1, characterized in that: the walking mechanism (5) comprises at least two driving motors (6) arranged on the support frame (3), and a gear (8) meshed with the rack (7) on the first fixing frame (1) is arranged on an output shaft of each driving motor (6).

3. The subway people movement-prevention contact net according to claim 2, characterized in that: still be equipped with hand cranking device (9) between support frame (3) and first mount (1), hand cranking device (9) set up between two driving motor (6), hand cranking device (9) are including pivot (10), pivot (10) one end is used for connecting the rotation spanner, and the other end meshes with rack (7) mutually.

4. The subway people movement-prevention contact net according to claim 1, characterized in that: the supporting frame (3) is provided with a plurality of first carrier rollers (11) under the side close to the first fixing frame (1) and the second fixing frame (2), and the first fixing frame (1) and the second fixing frame (2) are provided with carrier roller grooves (12) matched with the first carrier rollers (11).

5. The subway people movement-prevention contact net according to claim 1, characterized in that: support frame (3) are close to the top of first mount (1) and second mount (2) one side and are equipped with walking mounting panel (13) and a plurality of second bearing roller (14), and are a plurality of second bearing roller (14) symmetric distribution is both ends around walking mounting panel (13), the one end that support frame (3) were kept away from in walking mounting panel (13) is equipped with a plurality of gyro wheels (15), second bearing roller (14) and gyro wheel (15) set up respectively on the top surface and the lateral surface of first mount (1).

6. The subway people movement-prevention contact net according to claim 5, characterized in that: the second carrier roller (14) is a V-shaped carrier roller, and a guide strip (16) matched with the V-shaped carrier roller is arranged on the top surface of the second fixing frame (2).

7. The subway people movement-prevention contact net according to claim 6, characterized in that: and the front end and the rear end of the first fixing frame (1) are respectively provided with a limiting component (17) matched with the two ends of the walking mounting plate (13) and used for limiting the distance of the support frame (3) moving back and forth along the first fixing frame (1).