CN110761596A - Overhaul operation platform for multi-track power centralized EMU with double-side cantilever rain-proof canopy - Google Patents

Abstract

The invention discloses a multi-track power centralized EMU maintenance operation platform with a double-sided cantilevered rain-proof shed, which is characterized in that: it is used for transforming the existing preparation shed and track of the passenger station, including a gantry ( 1), catenary arm (2), arm mounting support (6), top work platform (3), middle work platform (4), protective net (5), existing preparation shed column (7) and cantilever Rainproof shed (8); through the transformation of the existing maintenance shed and track of the passenger station, it can meet the requirements of the whole vehicle top-mounted maintenance operation of the power-concentrated EMU, and can meet the simultaneous maintenance operation of multiple tracks during the peak period Requirements, greatly reduce the difficulty of manual operation, shorten the maintenance operation time, and improve the maintenance efficiency.

Description

Overhaul operation platform for multi-track power centralized EMU with double-side cantilever rain-proof canopy

technical field

The invention belongs to the field of renovation of existing passenger train stations and the maintenance of power centralized EMUs, in particular to a multi-track power centralized EMU maintenance operation platform with a double-sided cantilevered rain-proof canopy.

Background technique

At present, railway passenger trains are mainly divided into EMUs (power distributed type) and ordinary speed passenger trains. In order to meet different market demands, in the serial development of "Fuxing" China's standard EMU, the standard EMU will form a standard series of products with a speed rating of CR400/300/200, of which the CR200 standard EMU will gradually replace ordinary speed passengers. bus.

Centralized power EMUs, as a series of products of "Fuxing" EMUs, play an important role in the upgrading of speed-increasing passenger trains, promoting the structural reform of the supply side of railway passenger transportation, and improving the efficiency of transportation organization. Compared with the traditional "locomotive + vehicle" normal-speed trains, the power-concentrated EMU adopts the operation mode without disassembly, which reduces the operation time such as disassembly and end change, and adopts the fixed grouping and integrated maintenance mode of locomotives and vehicles.

At present, the inspection operation of the power centralized EMU faces the difficulty that the existing maintenance line of the passenger station has no catenary facilities, which cannot meet the running requirements of the power centralized EMU and the vehicle maintenance operation.

In addition, the structural parameters of the power centralized EMU are quite different from those of the traditional EMU. If the new motor train application station is specially used for its maintenance, the project investment will be large, the land acquisition will be difficult, and the construction period will be long. If the engineering adjustment machine is used to haul it to the passenger train station for maintenance and maintenance, the maintenance facilities of the passenger train station cannot meet the requirements for the maintenance, top-climbing maintenance and car storage of the power centralized EMU.

In addition, the existing EMU maintenance operation platforms are mostly suitable for single-track or double-track maintenance, and the efficiency is low, which cannot meet the operation requirements of multi-track maintenance operations at the same time during peak periods.

SUMMARY OF THE INVENTION

Aiming at at least one of the above defects or improvement needs of the prior art, the present invention provides a multi-track power centralized EMU maintenance operation platform with a double-sided cantilever rain-proof canopy, which is used for the maintenance and repair of existing passenger buildings. The shed and track are reconstructed to meet the requirements of the power-concentrated EMU's entire vehicle top-mounting maintenance operation, and can meet the requirements of the simultaneous maintenance operation of multiple tracks during the peak period, which greatly reduces the difficulty of manual operation, shortens the maintenance operation time, and Improve maintenance efficiency.

In order to achieve the above object, according to one aspect of the present invention, a multi-track power centralized EMU maintenance operation platform with a double-sided cantilevered rain-proof shed is provided, which is used for the maintenance of the existing preparation shed and the track of the passenger station. Reconstruction, including gantry, catenary arm, arm mounting pillar, top-level operation platform, middle-level operation platform, protective net, existing maintenance shed column and cantilever rain-proof shed;

The existing maintenance shed includes the existing maintenance shed column and the existing maintenance shed roof;

The gantry frame includes gantry frame columns on both sides and a gantry frame working frame in the middle, and a plurality of longitudinally spaced gantry frames are spanned above the multiple maintenance tracks with trenches of the existing passenger station, and are connected with the station. Between the existing sheds and on the other side away from the existing sheds, there is a trough with a trough;

Below the gantry work frame and above the middle of the adjacent grooming tracks in the gantry are the wrist arm mounting pillars and a suspended protective net; type protective net, the protective nets are all located on the side of the top of the power-concentrated EMU;

The catenary wrist arms are provided on the lateral sides of the wrist arm installation pillar, the outer side of the existing maintenance shed column, and the outer side of the gantry column 2 away from the existing maintenance shed, which is located at the side of the power-concentrated EMU. above;

The top working platform and the middle working platform are provided on both sides of the first gantry column close to the existing preparation shed and the inner side of the second gantry column, and the middle working platform is arranged on the outer side of the second gantry column, both located in The side of the power-concentrated EMU;

The cantilevered rainproof shed is cantilevered from the gantry uprights to two outer sides, and the gantry work frame is provided with rainproof devices at least in the upper area of each layer of the work platform.

Preferably, the top-level operation platform and the middle-level operation platform are both full-length operation platforms.

Preferably, the middle-level operation platform includes a head car middle-level operation platform and a tail car middle-level operation platform, which are respectively arranged on the sides of the head car and the tail car of the power-concentrated EMU;

The top-level working platform includes a top-level working platform for a head car and a top-level working platform for a tail car, which are respectively arranged on the sides of the head car and the tail car of the power-concentrated EMU.

Preferably, a climbing ladder is provided between the middle-level work platform and the ground, and a climbing ladder with a safety door is provided between the top-level work platform and the middle-level work platform.

Preferably, a load platform is provided between the two middle-level working platforms and longitudinally between several gantry uprights for storing tools.

Preferably, a protective net hanging column is connected to the lower part of the gantry work frame, and the suspended protective net is arranged on both sides of the lower end of the protective net hanging column.

Preferably, an overhaul vehicle is provided under the suspended protective net and in the channel reserved on the hardened ground between adjacent rectification tracks, which is used for refueling, water, and grease for the power-concentrated EMU. , sanding, and sewage operations.

Preferably, the bottom of the gantry column is cast on the existing hardened ground with concrete.

Preferably, the installation interface of the catenary arm is preset on the gantry column;

And/or, an installation interface of the catenary arm is added to the existing maintenance shed upright.

Preferably, the catenary wrist arm adopts a simple chain type suspension, and the suspension type is a contact suspension.

The above preferred technical features can be combined with each other as long as they do not conflict with each other.

In general, compared with the prior art, the above technical solutions conceived by the present invention have the following beneficial effects:

1. The multi-strand power centralized EMU maintenance operation platform with double-sided cantilever rain-proof shed of the present invention utilizes the existing preparation shed structure, and installs a catenary arm and a protective net, and realizes four-strand lanes. The electrified grid can realize the simultaneous maintenance of up to 4 EMUs, which greatly improves the maintenance efficiency. Between the protective net uprights and the EMU, there is a transport lane reserved for the maintenance trolley. The maintenance trolley is convenient to enter and exit.

2. The main body of the present invention adopts the gantry type steel structure, which is stable in structure, safe and reliable. The cantilever canopy is symmetrically designed on both sides of the gantry frame, which avoids the staff from working in the open air, can cope with bad weather such as rain and snow, and improves the practicality of the operation platform. sex, comfort. The invention includes the first, second and third layers of working platforms on the ground, which can easily inspect the bottom of the locomotive, refuel, add water, and add sand, and perform all-round and three-dimensional cleaning and inspection of the doors and windows of the locomotive, the interior of the locomotive, and the roof equipment. , to meet the requirements of the power-concentrated EMU's top-mounting maintenance operation.

3. There is a protective net on the opposite side of the three-layer working platform. The height of the protective net is 1.1m. It is connected to the existing preparation shed and the protective net column by bolts. The connection is firm and reliable, and the personal safety of the operators is fully guaranteed.

Description of drawings

Fig. 1 is the composition schematic diagram of the multi-strand power concentrated EMU maintenance operation platform with double-sided cantilever rain-proof shed according to the embodiment of the present invention;

2 is a schematic cross-sectional view of a multi-track power centralized EMU maintenance operation platform with a double-sided cantilever rain-proof shed according to an embodiment of the present invention;

3 is a schematic diagram of a gantry of a multi-track power concentrated EMU maintenance operation platform with a double-sided cantilever rain-proof shed according to an embodiment of the present invention;

4 is a schematic diagram of a catenary wrist arm of a multi-track power concentrated EMU maintenance operation platform with a double-sided cantilever rain-proof hood according to an embodiment of the present invention;

5 is a schematic diagram of a wrist arm installation pillar of a multi-track power concentrated EMU maintenance operation platform with a double-sided cantilever rain-proof hood according to an embodiment of the present invention;

6 is a schematic diagram of a suspended protective net and installation of a multi-lane power centralized EMU maintenance operation platform with a double-sided cantilevered rain-proof shed according to an embodiment of the present invention;

Fig. 7 is the cantilevered protective net and installation schematic diagram of the multi-track power concentrated EMU maintenance operation platform with double-side cantilevered rain shelter according to the embodiment of the present invention;

Fig. 8 is a schematic diagram of the top working platform of the maintenance working platform for the multi-track power centralized EMU with double-side cantilevered rain-proof hood according to an embodiment of the present invention.

9 is a schematic diagram of a middle-level working platform of the maintenance working platform for a multi-track power centralized EMU with a double-sided cantilevered rain-proof hood according to an embodiment of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be further described in detail below in conjunction with specific embodiments.

As a preferred embodiment of the present invention, as shown in Figures 1-9, the present invention provides a multi-track power centralized EMU maintenance operation platform with a double-sided cantilever rain-proof canopy, which is used for the maintenance of the entire passenger station. Existing preparation shed and track are renovated, mainly including gantry 1, catenary arm arm 2, arm arm installation support 6, top operation platform 3, middle-level operation platform 4, protective net 5, existing preparation shed column 7 and suspension. Pick up rain shelter 8. In addition to the above-mentioned main structures, the overhaul operation platform also includes protective net hanging columns, an existing maintenance shed roof 10, and a power-concentrated EMU 9 to be overhauled.

The existing maintenance shed includes the existing maintenance shed column 7 and the existing maintenance shed roof 10; the existing maintenance shed roof 10 is provided with a catenary.

The gantry 1 includes gantry uprights 11 on both sides and a gantry working frame 12 in the middle, and a plurality of longitudinally spaced gantry 1 are arranged across multiple maintenance tracks with trenches in the existing passenger station. , and between the existing maintenance shed and the other side away from the existing maintenance shed, a maintenance track with a trench is provided. The bottom of the gantry column 11 is poured on the existing hardened ground with concrete.

Below the gantry work frame 12 and above the middle of the adjacent staging tracks in the gantry are the arm mounting pillars 6 and the suspended protective net 5; the outside of the existing staging shed pillars 7 also Cantilevered protective nets 5 are provided, and the protective nets 5 are all located on the side of the top of the power-concentrated EMU 9 . A protective net hanging column is connected to the lower part of the gantry work frame 12, and the suspended protective net 5 is arranged on both sides of the lower end of the protective net hanging column. Below the suspended protective net 5 and in the channel reserved on the hardened ground between the adjacent rectification tracks, there is an overhaul vehicle, which is used for the power-concentrated EMU, including refueling, water, grease, and refueling. Operations including sand and sewage.

The catenary wrist arms 2 are provided on both lateral sides of the wrist arm installation pillar 6, the outer side of the existing maintenance shed column 7, and the outer side of the gantry column 2 112 far away from the existing maintenance shed, which is located in the power center. Above the EMU 9. An installation interface of the catenary arm 2 is preset on the gantry column 11 ; and/or, an installation interface of the catenary arm 2 is added to the existing maintenance shed column 7 . The catenary arm 2 adopts a simple chain type suspension, the suspension type is contact suspension, and the wire combination is JTMM95+CTA120.

The top working platform 3 and the middle working platform 4 are provided on both sides of the first gantry column 111 close to the existing preparation shed and the inner side of the second gantry column 112, and the outer side of the second gantry column 112 is provided with a middle layer. The working platforms 4 are all located on the side of the power-concentrated EMU 9 . The top-level operation platform 3 and the middle-level operation platform 4 are both full-length operation platforms. Alternatively, the middle-level operation platform 4 includes a head car middle-level operation platform and a tail car middle-level operation platform, which are respectively arranged on the sides of the head car and the tail car of the power-concentrated EMU; the top-level operation platform 3 includes the head car top-level operation platform. , The top working platform of the tail car is respectively set on the side of the head car and the tail car of the power-concentrated EMU. Preferably, a climbing ladder is provided between the middle-level operation platform 4 and the ground, and a climbing ladder with a safety door is arranged between the top-level operation platform 3 and the middle-level operation platform 4. At the same time, a safety interlock monitoring system is added to ensure that maintenance personnel can climb the stairs. Top job safety. Preferably, a load platform is provided between the two middle-level working platforms 4 and between the longitudinal directions of several gantry columns 11 for storing tools.

The cantilevered rainproof shed 8 is cantilevered from the gantry uprights 11 to two outer sides, and the gantry work frame 12 is provided with a rainproof device at least in the upper area of each layer of the work platform.

The specific structure is described as follows.

1) Gantry frame

As shown in Figure 2-3, the main body of the maintenance work platform adopts a gantry-type steel structure, which is stable in structure, safe and reliable. The work frame has two columns on the left and right, and the columns are poured on the existing hardened ground by using the pre-embedded technology. There is a cantilever canopy on the outside of the two columns of the work frame. The canopy is installed on the gantry frame through bolts and is located directly above the work platform. The top shed in the middle of the gantry frame is also equipped with a rainproof device to shield the work platform from rain and snow and prevent the staff from being exposed to the open air. work and improve the comfort of the work platform. The protective net of the work platform is suspended directly under the main beam of the work frame, and the installation interface of the catenary arm structure is provided. Four working platforms are set up on the inner and outer sides of the two uprights of the working frame, which are used by the maintenance personnel to check the pantograph and air-conditioning filter and other related components during the daily maintenance work. The setting location and setting scheme fully meet the overall technological layout requirements for the maintenance and repair of railway locomotives.

2) Catenary wrist arm

As shown in Figure 4, the function of the catenary arm 2 is to supply power to the power-concentrated EMU. In the present invention, there are four catenary arm arms, which are connected and installed on the existing maintenance shed column, arm arm installation column and gantry by bolts, respectively supplying power to the four power centralized EMUs. The catenary arm structure adopts simple chain suspension, the suspension type is contact suspension, and the wire combination is JTMM95+CTA120.

3) Wrist arm installation column

As shown in Figure 5, the wrist arm installation column 6 is installed on the gantry by bolts, and at the same time, there is a bolt installation interface on the wrist arm installation column, which can be used for connection and installation of the catenary wrist arm.

4) Protective net

In the present invention, a full-length safety protection net is provided, and the height of the protection net is 1.1m. There are two types of protection nets, three protection nets, and one is the two suspended and installed under the gantry work frame 12 (as shown in FIG. 6 ) , one is the one that cantilevered installed on the side of the existing preparation shed column 7 (as shown in Figure 7); in Figure 2, there is no top operation platform on the far right side, so there is no protective net.

5) Top working platform

As shown in FIG. 8 , steel gratings are laid on the table top of the top work platform 3 , and the top work platform is installed on the gantry by bolting. There are three places, which are located on both sides of the left column of the gantry and the left side of the right column. At both ends and in the middle of the operation platform, there are ladders for operators to climb up and down. The top work platform is used for the inspection, cleaning, inspection and maintenance of the roof equipment by the maintenance personnel.

6) Middle-level operation platform

As shown in FIG. 9 , steel gratings are laid on the table top of the middle work platform 4 . The middle-level operation platform is installed on the gantry by bolting, and the two uprights of the operation platform are on both sides. The maintenance personnel can clean, check the doors and windows of the locomotive and enter and exit the interior of the locomotive through the middle-level operation platform.

The multi-strand power centralized EMU maintenance operation platform with double-side cantilever rainproof shelter of the present invention, according to the transformation requirements, the entry and exit lines and the pull-out lines are electrified and netted for the preparation of the track with the trench, which is used to complete 160 kilometers of power The first-level maintenance of locomotives and daily maintenance of passenger cars in the D1 repair process of centralized EMUs. It can effectively shorten the difficulty and time of manual work. At the same time, a safety interlock monitoring system is added to ensure the safety of maintenance personnel when they climb to the top.

To sum up, the specific advantages of the present invention are as follows:

1. The multi-strand power centralized EMU maintenance operation platform with double-sided cantilever rain-proof shed of the present invention utilizes the existing preparation shed structure, and installs a catenary arm and a protective net, and realizes four-strand lanes. The electrified grid can realize the simultaneous maintenance of up to 4 EMUs, which greatly improves the maintenance efficiency. Between the protective net uprights and the EMU, there is a transport lane reserved for the maintenance trolley. The maintenance trolley is convenient to enter and exit.

2. The main body of the present invention adopts the gantry type steel structure, which is stable in structure, safe and reliable. The cantilever canopy is symmetrically designed on both sides of the gantry frame, which avoids the staff from working in the open air, can cope with bad weather such as rain and snow, and improves the practicality of the operation platform. sex, comfort. The invention includes the first, second and third layers of working platforms on the ground, which can easily inspect the bottom of the locomotive, refuel, add water, and add sand, and perform all-round and three-dimensional cleaning and inspection of the doors and windows of the locomotive, the interior of the locomotive, and the roof equipment. , to meet the requirements of the power-concentrated EMU's top-mounting maintenance operation.

3. There is a protective net on the opposite side of the three-layer working platform. The height of the protective net is 1.1m. It is connected to the existing preparation shed and the protective net column by bolts. The connection is firm and reliable, and the personal safety of the operators is fully guaranteed.

Those skilled in the art can easily understand that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention, etc., All should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a take two sides to encorbelment that rain-proof canopy's power is concentrated EMUs to overhaul work platform, its characterized in that of encorbelmenting: the device is used for transforming the existing preparation shed and the station track of the passenger preparation, and comprises a portal frame (1), a contact net cantilever (2), a cantilever mounting support (6), a top layer operation platform (3), a middle layer operation platform (4), a protective net (5), an existing preparation shed stand column (7) and an overhanging rainproof shed (8);

the existing preparation shed comprises an existing preparation shed upright post (7) and an existing preparation shed ceiling (10);

the portal frame (1) comprises portal frame columns (11) on two sides and a portal frame operation frame (12) in the middle, the portal frames (1) at intervals in the longitudinal direction are arranged above the preparation tracks of the multi-strip ditches of the existing passenger preparation station in a spanning mode, and a preparation track with a ditch is arranged between the portal frame (1) and the existing preparation shed and on the other side far away from the existing preparation shed;

the cantilever mounting pillar (6) and the suspended protective net (5) are arranged below the portal frame operating frame (12) and above the middle of the adjacent preparation station track in the portal frame; the outer side of the upright post (7) of the existing servicing shed is also provided with a cantilever type protective net (5), and the protective nets (5) are all positioned on the side edge of the top of the power-concentrated motor train unit (9);

the contact net cantilever (2) is arranged on the two transverse sides of the cantilever mounting support (6), the outer side of the existing shed upright post (7) and the outer side of the portal frame upright post (112) far away from the existing shed and is positioned above the power-concentrated motor train unit (9);

the top layer operation platform (3) and the middle layer operation platform (4) are arranged on the two sides of a first portal frame upright post (111) and the inner side of a second portal frame upright post (112) which are close to an existing shed, and the middle layer operation platform (4) is arranged on the outer side of the second portal frame upright post (112) and is positioned on the side edge of the power-concentrated motor train unit (9);

the cantilever rain-proof shed (8) is arranged by cantilever from the portal frame upright post (11) to two outer sides, and the portal frame operation frame (12) is at least provided with a rain-proof device in the upper area of each layer of operation platform.

2. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

the top layer operation platform (3) and the middle layer operation platform (4) are both through long type operation platforms.

3. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

the middle-layer operation platform (4) comprises a head train middle-layer operation platform and a tail train middle-layer operation platform, and is respectively arranged on the side surfaces of a head train and a tail train of the power-concentrated motor train unit;

the top layer operation platform (3) comprises a head train top layer operation platform and a tail train top layer operation platform which are respectively arranged on the side surfaces of a head train and a tail train of the power-concentrated motor train unit.

4. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

a ladder stand is arranged between the middle layer operation platform (4) and the ground, and a ladder stand with a safety door is arranged between the top layer operation platform (3) and the middle layer operation platform (4).

5. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

and a loading platform is arranged between the two middle-layer operation platforms (4) and between the vertical columns (11) of the portal frames and used for storing tools.

6. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

the lower part of the portal frame operating frame (12) is connected with a protective net hanging upright post, and the suspended protective net (5) is arranged on two sides of the lower end of the protective net hanging upright post.

7. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

and an overhaul vehicle is arranged in a channel reserved on the hardened ground between the lower part of the suspension type protective net (5) and the adjacent servicing station track and is used for the operations of refueling, water adding, greasing, sand adding and pollution discharging of the power-concentrated motor train unit.

8. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

the bottom of the portal frame upright post (11) is poured on the existing hardened ground by concrete.

9. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

the installation interface of the contact net cantilever (2) is preset on the portal frame upright post (11);

and/or the existing preparation shed upright post (7) is additionally provided with an installation interface of the contact net cantilever (2).

10. The multi-lane power centralized motor train unit overhauling operation platform with the bilateral cantilever rain shelters according to claim 1, which is characterized in that:

the contact net cantilever (2) is hung in a simple chain type, and the hanging type is contact hanging.

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