Structure and arrangement method of combined turnout in throat area of vehicle depot

Abstract

The application discloses a structure and arrangement method of a combined turnout in a throat area of a vehicle depot, and relates to the technical field of vehicle traffic.The method comprises the following steps: dividing the plane track in the vehicle depot into a plurality of warehouse tracks and a plurality of throat area tracks; determining the position and angle of the access section line according to the land area and shape of the vehicle depot, and connecting the access section line with the warehouse tracks; combining the plurality of throat area tracks into the tracks of a basic turnout group in a set number, and determining the main track of the basic turnout group; calculating the angle of the main track, and calculating the angle of the side track according to the result; sequentially connecting the warehouse tracks with the tracks in the basic turnout group, and obtaining the position coordinates of the main track and the side track; and connecting one end of the tracks of the basic turnout group with the warehouse tracks through a guide curve according to the angle and position coordinates of the main track and the side track.The application can more efficiently, regularly and automatically arrange the turnout in the throat area of the vehicle depot, and the design scheme is more scientific and reasonable.

Description

Technical Field

[0001] This invention relates to the field of vehicle transportation technology, and more specifically, to the structure and arrangement method of a combined turnout in the throat area of ​​a vehicle depot. Background Technology

[0002] Vehicle depots are a crucial component of urban rail transit lines, used for parking, maintenance, and repair of rail transit vehicles. These projects are characterized by their large land area, complex systems, and high costs. The throat area, where switches converge, is an essential route for various operations within the depot. A well-designed throat area connection is a layout scheme that ensures smooth process flow while using land efficiently.

[0003] The design of the throat area of ​​a vehicle depot mainly involves determining the location of turnouts and track connections. It is characterized by complex track layouts, numerous constraints, and diverse design options. However, currently, the design of the throat area of ​​a vehicle depot mainly relies on manual drawing, resulting in relatively low design efficiency and the rationality of the design being greatly influenced by the design experience of the personnel. Summary of the Invention

[0004] To address the problems in the existing technology, this invention provides a structure and arrangement method for combined turnouts in the throat area of ​​a vehicle depot, which can arrange turnouts in the throat area of ​​a vehicle depot more efficiently, regularly and automatically, making the design scheme more scientific and reasonable.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] In a first aspect, the present invention provides a structure for a combined turnout in the throat area of ​​a vehicle depot, disposed in the throat area, comprising:

[0007] Several parallel warehouse tracks;

[0008] Several pharyngeal tracts;

[0009] Entry and exit lines;

[0010] One end of each of the throat area tracks is connected to one of the warehouse tracks, and the other end of each of the throat area tracks is connected to an adjacent throat area track or to the entry / exit section line to form a single turnout.

[0011] As described above, the structure of the combined turnout in the throat area of ​​the vehicle depot is further improved by combining multiple single turnouts into a basic turnout group.

[0012] As described above, the structure of the combined turnout in the throat area of ​​the vehicle depot is further improved by providing a level crossing between the warehouse track and the throat area track.

[0013] Secondly, the present invention provides a method for arranging combined turnouts in the throat area of ​​a vehicle depot, based on the aforementioned structure of combined turnouts in the throat area of ​​a vehicle depot, comprising the following steps:

[0014] The flat tracks within the vehicle depot are divided into several warehouse tracks and several throat area tracks.

[0015] The location and angle of the access road are determined based on the area and shape of the vehicle base, and the access road is connected to the warehouse track.

[0016] The tracks in the throat area are combined in a set number to form the tracks of the basic turnout group, and the main track of the basic turnout group is determined.

[0017] Calculate the angle of the main track, and deduce the angle of the side tracks other than the main track based on the calculation result;

[0018] The warehouse tracks are sequentially matched with the tracks in the basic turnout group, and the position coordinates of the main track and the side track are calculated according to the position of the level crossing and the set principles.

[0019] Based on the angle and position coordinates of the main track and the side track, one end of the track of the basic turnout group is connected to the warehouse track by a guide curve, and the other end of the track of the basic turnout group extends to intersect with the adjacent track of the basic turnout group or with the entry / exit section line at a point.

[0020] As described above, the arrangement method of combined turnouts in the throat area of ​​the vehicle depot further includes the following steps: After connecting the tracks of the basic turnout group with the warehouse tracks using guide curves based on the angle and position coordinates of the main track and the side track, and extending the other end of the tracks of the basic turnout group to intersect the entry / exit line at a single point, the following steps are also included:

[0021] The main track is determined to be at a 1x turnout angle with the entry / exit line. If it is, it is directly connected to the entry / exit line. If it is not, the outermost track that is at a 1x turnout angle with the entry / exit line is offset by a set distance to generate a new track.

[0022] The new track is connected to the main track of the basic turnout group by a guide curve.

[0023] As described above regarding the arrangement of combined turnouts in the throat area of ​​a vehicle depot, the step of connecting the new track with the main track of the basic turnout group via a guide curve further includes:

[0024] The connection between the tracks of the basic turnout group and the warehouse tracks and the access section lines is judged to see if the preset conditions are met. If the conditions are met, the connection of the throat area is completed. If the conditions are not met, the tracks of the basic turnout group are offset and reconnected with the warehouse tracks by guide curve.

[0025] Repeat the above steps until the preset conditions are met and the connection of the pharyngeal region is completed.

[0026] Compared with the prior art, the advantages of this invention are as follows:

[0027] 1. This invention can arrange turnouts in the throat area of ​​a vehicle depot more efficiently, systematically, and automatically, making the design scheme more scientific and reasonable;

[0028] 2. The throat area of ​​this invention is designed so that the endpoint of the circular curve of the track does not enter the level crossing. The design method of setting the endpoint of the circular curve at the intersection of the outer edge of the warehouse track and the level crossing makes the length of the throat area as short as possible and the layout compact. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of a left-opening foundation turnout group according to an embodiment of the present invention;

[0031] Figure 2 This is a schematic diagram of a right-hand basic turnout group according to an embodiment of the present invention;

[0032] Figure 3 This is a layout diagram of the left-opening basic turnout group in half of the throat area of ​​this invention;

[0033] Figure 4 This is a layout diagram of the right-hand basic turnout group in half of the throat area according to an embodiment of the present invention;

[0034] Among them, 1. Track No. 1 of the basic turnout group (M) 1，1 ); 2. Track No. 2 of the basic turnout group (M 1，2 ); 3. Track No. 3 of the basic turnout group (M 1，3 ); 4. Track No. 4 of the basic turnout group (M 1，4 5. Turnout point; 6. Short rail between turnouts; 7. Reference point; 8. Curve radius; 9. Tangent length; 10. Main track of basic turnout group; 11. Access line to / from depot; 12. Level crossing. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0036] Example:

[0037] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, in the embodiments of this invention are intended to cover non-exclusive inclusion; for example, a process, method, component, product, or device that includes a series of steps or means is not necessarily limited to those steps or means explicitly listed, but may include other steps or means not explicitly listed or inherent to such processes, methods, products, or devices.

[0038] It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0039] In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0040] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0041] In a first aspect, the present invention provides a structure for a combined turnout in the throat area of ​​a vehicle depot, which is set in the throat area and includes several warehouse tracks, several throat area tracks, and entry / exit lines 11, with the warehouse tracks being parallel to each other. One end of each of the throat area tracks is connected to one of the warehouse tracks, and the other end of each throat area track is connected to an adjacent throat area track or to the entry / exit line 11 to form a single turnout.

[0042] As an alternative implementation, in some embodiments, multiple single turnouts are combined to form a basic turnout group.

[0043] As an optional implementation, in some embodiments, a level crossing 12 is provided between the warehouse track and the throat area track.

[0044] Specifically, the warehouse track of this invention refers to the track in the warehouse other than the initial track, and the initial track refers to the track initially connected to the entry / exit section. This invention connects the warehouse track with the entry / exit section line to form multiple single turnouts, and then combines the multiple single turnouts into a turnout group.

[0045] Secondly, the present invention provides a method for arranging combined turnouts in the throat area of ​​a vehicle depot, based on the aforementioned structure of combined turnouts in the throat area of ​​a vehicle depot, comprising the following steps:

[0046] The track layout within the vehicle depot is divided into several warehouse tracks and several throat area tracks. The location and angle of the entry / exit lines are determined based on the depot's land area and shape, and these lines are connected to the warehouse tracks. The throat area tracks are combined into a set number to form the tracks of a basic turnout group, and the main track of this group is determined. The angle of the main track is calculated, and the angles of the side tracks (excluding the main track) are deduced based on the calculation results. The warehouse tracks are sequentially matched with the tracks in the basic turnout group, and the position coordinates of the main track and side tracks are calculated based on the location of the level crossing and established principles. Based on the angles and position coordinates of the main track and side tracks, one end of the tracks in the basic turnout group is connected to the warehouse tracks via a guide curve, and the other end of the tracks in the basic turnout group extends to intersect with the tracks of an adjacent basic turnout group or the entry / exit lines at a single point.

[0047] As an optional implementation, in some embodiments, based on the angle and position coordinates of the main track and the side track, the tracks of the basic turnout group are connected to the warehouse track by a guide curve. The step after the other end of the basic turnout group's track extends and intersects the entry / exit line at a point further includes the following steps:

[0048] Determine whether the main track forms a turnout angle of 1 with the entry / exit line. If it does, connect it directly with the entry / exit line. If it does not, offset the outermost track forming a turnout angle of 1 with the entry / exit line by a set distance to generate a new track. Connect the new track with the main track of the basic turnout group using a guide curve.

[0049] As an optional implementation, in some embodiments, the step after connecting the new track to the main track of the basic turnout group via a guide curve further includes:

[0050] The connection between the tracks of the basic turnout group and the warehouse tracks and access lines is judged to see if the preset conditions are met. If they are met, the connection of the throat area is completed. If not, the tracks of the basic turnout group are offset and reconnected with the warehouse tracks by guide curve. The above steps are repeated until the preset conditions are met and the connection of the throat area is completed.

[0051] Specifically, in order to minimize the length of the pharyngeal region and achieve a more scientific and reasonable arrangement, the arrangement method of the present invention will be explained through the following embodiments.

[0052] Please see Figure 3 The layout method is specifically described using a layout diagram of the left-hand foundation turnout group in half of the throat area.

[0053] First, connect the entry / exit line to the L-1 track.

[0054] Then, three single turnouts are combined to form a basic turnout group. This basic turnout group, combined with different combinations of single turnouts, can have four possible schemes (a mirror image relationship is considered one). Analysis reveals... Figure 1 and Figure 2 The throat area connecting the left-hand and right-hand basic turnout groups has advantages in terms of intensive land use. The left-hand basic turnout group consists of turnouts with the last two sets of turnouts being left-hand turnouts, while the right-hand basic turnout group consists of turnouts with the last two sets of turnouts being right-hand turnouts. Taking the basic turnout group as a basic unit, such as... Figure 1 As shown. Determine the angle of the main track of the basic turnout group, and calculate the angles of the other side tracks based on the angle of the main track of the basic turnout group, thereby completing the calculation of the angles of all tracks in the throat area.

[0055] The formula for calculating the angle of the stock channel is: n i，1 =i-1,n i，2 =i,ni，3 =i,n i，4 =i+1;

[0056] In the formula, n i，j Let i be the multiple of the turnout angle of the track in the turnout group, i be the sequence number of the basic turnout group, and j be the sequence number of the track in the basic turnout group.

[0057] Next, based on the principle that the endpoint of the curve in the throat area should not enter the level crossing, and taking the intersection of the warehouse track and the outer edge of the level crossing as the reference point, it is stipulated that the endpoint of the curve connecting the warehouse track and the turnout is located at the reference point. Warehouse tracks L-1, L-2...L-20 correspond sequentially to tracks 1, 2, 3, and 4 in the turnout group 1, 2...4 in a top-to-bottom order. Based on this principle, the position coordinates of the main track and side track of the turnout are calculated and determined using the tangent length formula and trigonometric function coordinate formula. Figure 3 As shown.

[0058] The formula for tangent length is: tan(α*n / 2)*r;

[0059] In the formula, α is the turnout angle, r is the curve radius, n is the multiple of the turnout angle, and n≥1.

[0060] Based on the calculated angle and position coordinates of the turnout straight track and side track, the turnout track is connected to the corresponding warehouse track by guide curves.

[0061] At the same time, the other end of the turnout track is extended, and the intersection point is the turnout center, to complete the initial layout of the turnout.

[0062] Among them, M i，1 The stock channel extends to the entry and exit line, M i，1 The main track in the basic turnout group, M i，2 M i，3 The lane was extended to M. i，1 stock channel, M i，4 The lane was extended to M. i，3 Stock Road. M i，j Let i represent the track number in the turnout group (i≥2), and j represent the track number in the turnout group.

[0063] When i≥2, the outermost track, forming a turnout angle of 1 with the depot line, is offset by 6m and 12m respectively, generating a new track that extends to intersect the depot line. Specifically, the 6m offset distance is primarily based on the 2.5m clearance distance and 1m structural column width on one side of the track, and is only data for this embodiment; the specific offset distance can be determined according to project requirements. Furthermore, M... 3,1 Stock track and offset 6m new stock track guide curve; M 4，1 The new guide curve for the stock track with a 12m offset.

[0064] When i ≥ 4, it branches off from the track end point L of the guide curve of the track, where L = b + L', and is connected to M i-1，1 track guide curve. When it is determined that the length of the B end of the turnout is less than L, the frog heart moves backward with a step size of 0.1 m until the length of the B end ≥ L, and it satisfies that the distance between the frog hearts of the turnouts ≥ a + b + L″′ and M i，1 track turnout. When it is determined that the length of the A end of the track turnout ≥ a + L″, if not satisfied, then M i，1 the track is connected to the guide curve of the next offset track. i，1 i，1

[0065] In the formula, a is the length of the A end of the turnout, b is the length of the B end of the turnout, L' is the length of the shortest straight line segment from the B end of the turnout to the circular curve, L″ is the length of the shortest straight line segment from the A end of the turnout to the circular curve, and L″′ is the length of the shortest straight line segment between turnouts.

[0066] Finally, it is judged whether M i，2 and M i，4 the length of the track (B end of the turnout) ml. When ml ≥ L, the connection of the throat area is completed; when ml < L, move the corresponding frog heart of M i，2 or M i，4 backward along the straight track of the turnout with a step size of 0.1 m until ml ≥ L, and reconnect with the guide curve of the warehouse track, and the connection of the throat area is completed.

[0067] In the formula, L = b + L', b is the length of the B end of the turnout, and L' is the length of the shortest straight line segment from the B end of the turnout to the circular curve.

[0068] To sum up, the present invention is designed on the principle of minimizing the length of the throat area. As shown in Figure 3 and Figure 4 when comparing the lengths of the throat areas arranged by the left-opening basic turnout group and the right-opening basic turnout group, when the track scale of the warehouse ≤ 80, under the structure and layout method of the present invention, when a ≤ 16 and a % 4 = 0, the length of the throat area arranged by the left-opening basic turnout group is shorter; when a ≤ 16 and a % 4 = 2, the length of the throat area arranged by the right-opening basic turnout group is shorter; when 16 < a ≤ 20, the length of the throat area arranged by the left-opening basic turnout group is shorter. Among them, a % 4 represents the remainder obtained by dividing a by 4, and a represents the number of tracks connecting the warehouse. At present, this embodiment only provides the case where the number of warehouse tracks is an even number.

[0069] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0070] The above embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made based on the essence of the content of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A method for arranging combined turnouts in the throat area of ​​a vehicle depot, characterized in that, Based on the structure of the combined turnout in the throat area of ​​the depot, the structure of the combined turnout in the throat area of ​​the depot is set in the throat area, including: Several parallel warehouse tracks; Several pharyngeal tracts; Entry and exit lines; Among them, one end of several throat area tracks is connected to several warehouse tracks respectively, and the other end of several throat area tracks is connected to adjacent throat area tracks or to the entry / exit section lines to form a single turnout; Multiple single turnouts are combined to form a basic turnout group; A level crossing is provided between the warehouse track and the throat area track; The arrangement method of combined turnouts in the throat area of ​​the vehicle depot includes the following steps: The flat tracks within the vehicle depot are divided into several warehouse tracks and several throat area tracks. The location and angle of the access road are determined based on the area and shape of the vehicle base, and the access road is connected to the warehouse track. The tracks in the throat area are combined in a set number to form the tracks of the basic turnout group, and the main track of the basic turnout group is determined. Calculate the angle of the main track, and deduce the angle of the side tracks other than the main track based on the calculation result; The warehouse tracks are sequentially matched with the tracks in the basic turnout group. Based on the position of the level crossing, and taking the principle that the endpoint of the throat curve does not enter the level crossing, the position coordinates of the main track and the side track are calculated using the intersection of the warehouse track and the outer edge of the level crossing as the reference point. Based on the angle and position coordinates of the main track and the side track, one end of the track of the basic turnout group is connected to the warehouse track by a guide curve, and the other end of the track of the basic turnout group extends to intersect with the adjacent track of the basic turnout group or with the entry / exit section line at a point.

2. The method for arranging combined turnouts in the throat area of ​​a vehicle depot according to claim 1, characterized in that, The step of connecting the tracks of the basic turnout group with the warehouse track using guide curves based on the angle and position coordinates of the main track and the side track, and then extending the other end of the tracks of the basic turnout group to intersect the entry / exit section line at a point, further includes: The main track is determined to be at a 1x turnout angle with the entry / exit line. If it is, it is directly connected to the entry / exit line. If it is not, the outermost track that is at a 1x turnout angle with the entry / exit line is offset by a set distance to generate a new track. The new track is connected to the main track of the basic turnout group by a guide curve.

3. The method for arranging combined turnouts in the throat area of ​​a vehicle depot according to claim 2, characterized in that, The step following the connection of the new track with the main track of the basic turnout group via a guide curve also includes: The connection between the tracks of the basic turnout group and the warehouse tracks and the access section lines is judged to see if the preset conditions are met. If the conditions are met, the connection of the throat area is completed. If the conditions are not met, the tracks of the basic turnout group are offset and reconnected with the warehouse tracks by guide curve. Repeat the above steps until the preset conditions are met and the connection of the pharyngeal region is completed.

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