Positioning device of railway wagon derailment brake valve mounting seat

Abstract

The utility model discloses a positioning device of a railway wagon derailment brake valve mounting seat. The positioning device comprises a supporting platform, a vehicle body platform, a center plate support, a mounting seat positioning block, a sliding unit, an auxiliary sliding unit and a positioning plate. According to the positioning device, the position of the railway wagon derailment brake valve mounting seat can be adjusted according to the positions of the two center plates, and the railway wagon derailment brake valve mounting seat can be better positioned.

Description

Technical Field

[0001] The utility model relates to a positioning device and method for an installation seat of a derailment braking valve of a railway freight car. Background Art

[0002] Derailment of railway vehicles is a serious accident during train operation. To avoid such derailment accidents, derailment automatic braking devices are configured on the bodies of railway freight cars. Among them, the derailment automatic braking valve (hereinafter referred to as the derailment braking valve) is the core part of the derailment automatic braking device.

[0003] The derailment braking valve plays a safety protection role during the operation of the freight car, and its relative assembly dimensions are crucial. The derailment braking valve is installed on the derailment braking valve installation seat. Since the derailment braking valve is arranged on both sides of the two center plates of the car body, there are requirements for the relative positions with the center of the center plates. Due to the influence of factors such as welding deformation and deflection of the two center plates during the body assembly welding process, the distance between the two center plates is not a fixed value, and there is often a deviation of about 10 mm. The traditional assembly of the derailment braking valve installation seat using a fixed module will cause position deviation, thus affecting the position of the derailment braking valve. To ensure quality, it is often necessary to repair the derailment braking valve installation seat and readjust the position of the derailment braking valve installation seat, which affects the production efficiency. Summary of the Utility Model

[0004] In view of this, one object of the utility model is to provide a positioning device for an installation seat of a derailment braking valve of a railway freight car, which can adjust the position of the derailment braking valve installation seat according to the positions of the two center plates. Another object of the utility model is to provide a usage method of the positioning device for an installation seat of a derailment braking valve of a railway freight car as described above.

[0005] The utility model adopts the following technical solutions to achieve the above objects.

[0006] On the one hand, the utility model provides a positioning device for an installation seat of a derailment braking valve of a railway freight car, wherein the two center plates on the railway freight car body are respectively a front center plate and a rear center plate;

[0007] The positioning device includes a support platform, a car body platform, a center plate support, an installation seat positioning block, a sliding unit, an auxiliary sliding unit, and a positioning plate;

[0008] Both the support platform and the car body platform are provided in multiple numbers;

[0009] The center plate support is provided in two groups, and the two groups of center plate supports are respectively arranged on the car body platform and correspond to the front center plate and the rear center plate respectively;

[0010] The mounting seat positioning blocks are provided in four, and two of the mounting seat positioning blocks are fixed on the support platform and located on both sides of the rear center plate;

[0011] The sliding units are provided in two, which are respectively fixed on the support platform and located on both sides of the front center plate; the two sliding units are connected by a first transverse connecting portion; above the two sliding units, the other two mounting seat positioning blocks are respectively and correspondingly arranged, and are arranged to link and adjust the positions of the two mounting seat positioning blocks;

[0012] The auxiliary sliding unit is arranged to be linked with the sliding unit; the auxiliary sliding unit is connected with one of the sliding units by a first longitudinal connecting portion;

[0013] One end of the positioning plate is connected with the first longitudinal connecting portion through a second transverse connecting portion, and the other end of the positioning plate is a free end, and this free end is close to the front center plate. This is beneficial to adjusting the position of the derailment brake valve mounting seat according to the positions of the two center plates.

[0014] In the present utility model, the mounting seat positioning blocks are used to position and mount the derailment brake valve mounting seat. A total of four mounting seat positioning blocks are provided, which are respectively a first mounting seat positioning block, a second mounting seat positioning block, a third mounting seat positioning block and a fourth mounting seat positioning block.

[0015] In the present utility model, the two sliding units are respectively a first sliding unit and a second sliding unit, and the first sliding unit is the farthest from the rear center plate. The sliding unit can adopt those known ones, such as a slide rail structure. In some embodiments, the first sliding unit may include a first guide rail, a first slider and a first support seat; the first support seat is fixed on the support platform, the first guide rail is arranged on the first support seat, the first slider is provided with a first groove, the first groove matches the first guide rail, the first slider is arranged to be movable along the first guide rail, and a first mounting seat positioning block is arranged on the first slider.

[0016] The second sliding unit includes a second guide rail, a second slider and a second support seat. The second support seat is fixed on the support platform, the second guide rail is arranged on the second support seat, the second slider is provided with a second groove, the second groove matches the second guide rail, the second slider is arranged to be movable along the second guide rail, and a second mounting seat positioning block is arranged on the second slider.

[0017] In the present utility model, both ends of the first transverse connecting portion are respectively connected to the two sliding units, so that the two sliding units can be linked, and the distance between the two is kept constant, which is beneficial to accurate positioning. According to an embodiment of the present utility model, both ends of the first transverse connecting portion are respectively connected to the first slider and the second slider.

[0018] In the present utility model, the auxiliary sliding unit is connected to one of the sliding units (the sliding unit farthest from the rear center plate, i.e., the first sliding unit), so as to achieve the linkage between the auxiliary sliding unit and the two sliding units. Moreover, the auxiliary sliding unit and one of the sliding units are connected by a first longitudinal connecting portion; this is conducive to realizing the linkage, and the distance between the two remains constant, which is conducive to accurate positioning.

[0019] In the present utility model, the auxiliary sliding unit includes a third guide rail, a third slider, and a third support seat, and also includes an auxiliary positioning block. Specifically, the third support seat is fixed on the support platform, the third guide rail is arranged on the third support seat, the third slider is provided with a third groove, the third groove matches the third guide rail, the third slider is arranged to be movable along the third guide rail, and the auxiliary positioning block is arranged on the third slider.

[0020] According to an embodiment of the present utility model, the two ends of the first longitudinal connecting portion are respectively connected to the first slider and the third slider.

[0021] In the present utility model, the acute angle formed between the diagonal brace portion and the second transverse connecting portion can be greater than or equal to 15° and less than or equal to 60°, preferably greater than or equal to 20° and less than or equal to 45°.

[0022] In the present utility model, the front center plate and the rear center plate are only for distinguishing the two center plates, and actually have no special limitation on the front and rear positions.

[0023] In the present utility model, the flatness of the upper surface of the center plate support is not greater than 0.3 mm. The height deviation of the upper surfaces of the two groups of center plate supports is not greater than 0.5 mm.

[0024] In the present utility model, the positioning device may further include a transverse stop block. The transverse stop block is arranged close to the center plate support and is used to prevent the lateral movement of the railway freight car body; a plurality of transverse stop blocks are arranged symmetrically with respect to the lateral central axis of the two center plates.

[0025] According to the positioning device of the present utility model, preferably, the positioning device further includes a second longitudinal connecting portion; the two ends of the second longitudinal connecting portion are respectively connected to the second transverse connecting portion and the first transverse connecting portion. This is conducive to making the structure of the positioning device more stable and making the positioning of the positioning device more accurate.

[0026] According to the positioning device of the present utility model, preferably, the positioning device further includes a diagonal brace portion; one end of the diagonal brace portion is connected to the second transverse connecting portion, and the other end is connected to the auxiliary sliding unit; an acute angle is formed between the diagonal brace portion and the second transverse connecting portion. Such a positioning device has a more stable structure and is more conducive to accurate positioning.

[0027] For the positioning device according to the present utility model, preferably, the second longitudinal connection part and the first longitudinal connection part are arranged relatively parallel; the second transverse connection part and the first transverse connection part are arranged relatively parallel; the central axis of the first transverse connection part is parallel to the transverse central axes of the two bolster plates. The first longitudinal connection part and the second transverse connection part are perpendicularly connected. This is beneficial to accurate positioning.

[0028] For the positioning device according to the present utility model, preferably, the auxiliary sliding unit includes a third slider; one end of the diagonal bracing part is connected to the second transverse connection part, and the other end is connected to the third slider. This is beneficial to the linkage adjustment of the positions of the positioning plate and the mounting block of the mounting seat, and is beneficial to more accurate positioning.

[0029] For the positioning device according to the present utility model, preferably, the positioning device further includes an auxiliary positioning block, and the auxiliary positioning block is arranged on the third slider. The auxiliary positioning block is beneficial to the auxiliary positioning of the derailment brake valve mounting seat. In some embodiments, after the positioning dimensions of each mounting block of the mounting seat are determined, the auxiliary positioning block can be detachably connected to the railway freight car body through bolts for fixation.

[0030] For the positioning device according to the present utility model, preferably, the first sliding unit includes a first slider; the second sliding unit includes a second slider; both ends of the first transverse connection part are respectively connected to the first slider and the second slider; the first longitudinal connection part is respectively connected to the first slider and the third slider. The first sliding unit, the second sliding unit, and the auxiliary sliding unit are all slide rail structures, as described above, and will not be elaborated here.

[0031] For the positioning device according to the present utility model, preferably, the positioning plate includes a flat plate part, a bending part, and a reinforcing part. The flat plate part is connected to the end of the second transverse connection part. The bending part and the flat plate part are integrally formed structures, and their cross-sections are basically in an S shape; the reinforcing part is arranged on the bending part for reinforcing the bending part. This is beneficial to making the free end of the positioning plate abut against the vertical surface of the front bolster plate, and the structure is more stable for better positioning.

[0032] For the positioning device according to the present utility model, preferably, it further includes a plurality of transverse stoppers, and the plurality of transverse stoppers are arranged close to the bolster plate for preventing the lateral movement of the railway freight car body. In some embodiments, the transverse stoppers can be arranged on the ground, or a part of the transverse stoppers is fixed on the platform of the car body.

[0033] For the positioning device according to the present utility model, preferably, the flatness of the upper surface of the bolster plate support is not greater than 0.3 mm.

[0034] The present utility model further provides an installation method of the positioning device as described above, which may include the following steps:

[0035] 1) Provide a platform for the car body and bolster supports; wherein, the bolster supports are arranged on the platform for the car body, and the two groups of bolster supports respectively correspond to the front bolster and the rear bolster on the railway freight car body one by one;

[0036] 2) Correspond the front bolster and the rear bolster on the railway freight car body with the two groups of bolster supports respectively;

[0037] 3) Fix and connect the rear bolster and the corresponding bolster support through a connecting piece; arrange mounting seat positioning blocks on the support platforms at the corresponding positions on both sides of the rear bolster; first respectively install two sliding units on the support platforms at the corresponding positions on both sides of the front bolster; connect both ends of the first transverse connecting part to the two sliding units respectively; then arrange mounting seat positioning blocks on the two sliding units respectively, and enable the two mounting seat positioning blocks to move along the length direction of the railway freight car body;

[0038] 4) Arrange the auxiliary sliding unit on the support platform, connect the first longitudinal connecting part to the auxiliary sliding unit and one of the sliding units respectively; connect one end of the second transverse connecting part to the first longitudinal connecting part; connect one end of the positioning plate to the other end of the second transverse connecting part. In this way, the positioning device can be better installed, which is beneficial to the accurate positioning of the derailment brake valve mounting seat subsequently.

[0039] In steps 3) and 4), the installation sequence of each component can be adjusted as needed, without special limitation. The installation method of the present utility model is not particularly limited.

[0040] According to the installation method of the present utility model, preferably, the flatness of the upper surface of the bolster support is not greater than 0.3 mm; the height deviation between the upper surfaces of the two groups of bolster supports is not greater than 0.5 mm.

[0041] According to the installation method of the present utility model, preferably, in step 2), it further includes: arranging the transverse stop blocks close to the bolster supports to prevent the lateral movement of the railway freight car body; a plurality of transverse stop blocks are arranged symmetrically with respect to the transverse central axis of the two bolsters.

[0042] According to the installation method of the present utility model, preferably, in step 3), the rear bolster and the corresponding bolster support are fixedly connected through a bolster pin.

[0043] On the other hand, the present utility model further provides a usage method of the positioning device as described above, including the following steps:

[0044] (1) According to the positions of the two center plates, the two sliding units are adjusted and the auxiliary sliding units are simultaneously adjusted in linkage, so that the positioning plate abuts against the front center plate, thereby making the positions of the four mounting seat positioning blocks relative to the two center plates meet the predetermined positions;

[0045] (2) Then the four derailment brake valve mounting seats are positioned and installed according to the positioning positions of the four mounting seat positioning blocks. This is conducive to accurately positioning and installing the derailment brake valve mounting seat, thereby ensuring the position of the derailment brake valve mounting seat relative to the center plate, thereby ensuring the assembly of the derailment brake valve module and ensuring driving safety.

[0046] According to the method of use of the utility model, preferably, the end surface of the free end of the positioning plate is brought into contact with the vertical surface of the front core disk.

[0047] The positioning device of the utility model can adjust the position of the railway freight car derailment brake valve mounting seat according to the position of the two center plates, can better position the railway freight car derailment brake valve mounting seat, ensure the position of the derailment brake valve mounting seat relative to the center plate, thereby ensuring the assembly of the derailment brake valve module and ensuring driving safety. The positioning device and method of the utility model can be promoted and applied. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 The utility model is a top view schematic diagram of a positioning device of a railway freight car derailment brake valve mounting seat after positioning is completed.

[0049] Figure 2 yes Figure 1 A partial schematic diagram of .

[0050] Figure 3 for Figure 2 Schematic diagram of direction A.

[0051] Figure 4 for Figure 2 BB direction schematic diagram.

[0052] The following are the descriptions of the reference numerals:

[0053] 121 - first derailment brake valve mounting seat, 122 - second derailment brake valve mounting seat, 123 - third derailment brake valve mounting seat, 124 - fourth derailment brake valve mounting seat;

[0054] 111-front center plate, 111F-front center plate elevation; 112-rear center plate;

[0055] 3- auxiliary sliding unit, 31- auxiliary positioning block;

[0056] 2 - First horizontal connecting part, 32 - Diagonal brace part, 33 - Second horizontal connecting part, 34 - First longitudinal connecting part, 35 - Second longitudinal connecting part; 4 - Positioning plate, 41 - Flat plate part, 42 - Bent part, 43 - Reinforcement part; 83 - Second support seat;

[0057] 5 - Support platform, 6 - Center plate support, 7 - Lateral stop, 9 - Platform for car body. Detailed implementation mode

[0058] The present invention will be further described below in conjunction with specific embodiments, but the protection scope of the present invention is not limited thereto.

[0059] Example 1

[0060] Figure 1 It is a top view schematic diagram after the positioning of a positioning device for the mounting seat of a derailment braking valve of a railway freight car according to the present invention. Figure 2 is Figure 1 Partial schematic diagram of. Figure 3 For Figure 2 Schematic diagram in the direction A of. Figure 4 For Figure 2 Schematic diagram in the direction B - B of.

[0061] As Figures 1 to 4 shown, a positioning device for the mounting seat of a derailment braking valve of a railway freight car provided by the present invention is used to ensure the position of the derailment braking valve mounting seat relative to the center plate. The derailment braking valve mounting seat is used to fix the derailment braking valve.

[0062] As Figure 1 shown, a total of four derailment braking valve mounting seats are provided, namely the first derailment braking valve mounting seat 121, the second derailment braking valve mounting seat 122, the third derailment braking valve mounting seat 123 and the fourth derailment braking valve mounting seat 124. The structures of the first derailment braking valve mounting seat 121 and the fourth derailment braking valve mounting seat 124 are basically symmetrical. The structures of the second derailment braking valve mounting seat 122 and the third derailment braking valve mounting seat 123 are basically the same. There are two center plates for the railway freight car body (each car body), namely the front center plate 111 and the rear center plate 112.

[0063] As Figures 1 to 4 shown, in this embodiment, the positioning device for the mounting seat of the derailment braking valve of the railway freight car includes a sliding unit, an auxiliary sliding unit 3, a positioning plate 4, a support platform 5, two groups of center plate supports 6, a lateral stop 7, a platform 9 for the car body, a mounting seat positioning block and a connecting part. Among them, there are two sliding units, namely the first sliding unit (not shown) and the second sliding unit (not shown). The connecting part includes a first horizontal connecting part 2, a diagonal brace part 32, a second horizontal connecting part 33, a first longitudinal connecting part 34 and a second longitudinal connecting part 35.

[0064] The mounting seat positioning blocks are used to position and mount the derailment brake valve mounting seat. There are four mounting seat positioning blocks in total, namely the first mounting seat positioning block (not shown), the second mounting seat positioning block (not shown), the third mounting seat positioning block (not shown), and the fourth mounting seat positioning block (not shown).

[0065] The car body platform 9 is used to support the railway freight car body. Two center plate supports 6 are arranged on the car body platform 9, and the two center plate supports 6 respectively correspond to the front center plate 111 and the rear center plate 112. The shape of the car body platform 9 is not particularly limited as long as it can facilitate the installation operation. The car body platform 9 can be formed by multiple support columns. The shape of the center plate support 6 is not particularly restricted and can be adapted to the shape of the center plate. The flatness of the upper surface of the center plate support 6 is not greater than 0.3 mm. The height deviation of the upper surfaces of the two center plate supports 6 is not greater than 0.5 mm.

[0066] There are multiple lateral blocks 7, all of which are arranged close to the center plate support 6. They are used to prevent the lateral movement of the railway freight car body; the multiple lateral blocks 7 are symmetrically arranged with respect to the lateral central axis of the two center plates.

[0067] The third mounting seat positioning block and the fourth mounting seat positioning block are respectively arranged on both sides of the rear center plate 122, and both of these mounting seat positioning blocks are fixed on the support platform 5. The third mounting seat positioning block and the fourth mounting seat positioning block are respectively used to position and mount the third derailment brake valve mounting seat 123 and the fourth derailment brake valve mounting seat 124.

[0068] The first mounting seat positioning block and the second mounting seat positioning block are respectively arranged on both sides of the front center plate 111. The first sliding unit and the second sliding unit are respectively arranged below the first mounting seat positioning block and the second mounting seat positioning block and are fixed on the support platform 5. The first sliding unit and the second sliding unit can be adjusted in linkage by moving to position the first mounting seat positioning block and the second mounting seat positioning block. The first mounting seat positioning block and the second mounting seat positioning block are respectively used to position and mount the first derailment brake valve mounting seat 121 and the second derailment brake valve mounting seat 122.

[0069] In this embodiment, specifically, the first sliding unit includes a first guide rail, a first slider, and a first support seat. The first support seat is fixed on the support platform 5, the first guide rail is arranged on the first support seat, the first slider is provided with a first groove, the first groove matches the first guide rail, the first slider is arranged to be movable along the first guide rail, and the first mounting seat positioning block is arranged on the first slider.

[0070] The second sliding unit includes a second guide rail, a second slider and a second support seat 83. The second support seat is fixed on the support platform 5, the second guide rail is arranged on the second support seat, the second slider is provided with a second groove, the second groove matches the second guide rail, the second slider is arranged to be movable along the second guide rail, and a second mounting seat positioning block is arranged on the second slider.

[0071] The length direction of the first guide rail and the second guide rail is the same as the transverse center axis direction of the two core disks.

[0072] The two ends of the first transverse connecting part 2 are connected to the first sliding unit and the second sliding unit respectively. Specifically, the two ends of the first transverse connecting part 2 are connected to the first sliding block and the second sliding block respectively. The first transverse connecting part 2 is arranged transversely, and its central axis is parallel to the transverse central axis of the two center disks.

[0073] The auxiliary sliding unit 3 includes a third guide rail, a third slider and a third support seat, and an auxiliary positioning block 31. Specifically, the third support seat is fixed on the support platform 5, the third guide rail is arranged on the third support seat, the third slider is provided with a third groove, the third groove matches the third guide rail, the third slider is arranged to be movable along the third guide rail, and the third slider is provided with an auxiliary positioning block 31. The third slider can adjust the position of the auxiliary positioning block 31 by moving.

[0074] The two ends of the first longitudinal connection part 34 are connected to the auxiliary sliding unit 3 and the first sliding unit, respectively. Specifically, the two ends of the first longitudinal connection part 34 are connected to the third slider and the first slider, respectively. This allows linkage and is conducive to controlling the distance between the two. One end of the second transverse connection part 33 is vertically connected to the first longitudinal connection part 34, and the other end is connected to one end of the diagonal support part 32, and the other end of the diagonal support part 32 is connected to the third slider of the auxiliary sliding unit 3. An acute angle is formed between the diagonal support part 32 and the second transverse connection part 33. The two ends of the second longitudinal connection part 35 are connected to the second transverse connection part 33 and the first transverse connection part 2, respectively. The second longitudinal connection part 35 is arranged relatively parallel to the first longitudinal connection part 34. The second transverse connection part 33 and the first transverse connection part 2 are arranged relatively parallel to each other.

[0075] One end of the positioning plate 4 is connected to the other end of the second transverse connecting portion 33 (i.e., the end away from the first longitudinal connecting portion 34), and the other end of the positioning plate 4 is a free end. The free end is close to the front center disk 111. The free end of the positioning plate 4 is configured to be able to abut against the front center disk facade 111F by linkage adjustment of the two sliding units and the auxiliary sliding unit 3. In this way, the position of the mounting seat positioning block can be adjusted according to the distance between the two center disks, which is conducive to accurately positioning and installing the derail brake valve mounting seat.

[0076] like Figure 4As shown, the positioning plate 4 includes a flat plate portion 41, a bent portion 42, and a reinforcing portion 43. The flat plate portion 41 is connected to the end of the second lateral connecting portion 33 (i.e., the end far from the first longitudinal connecting portion 34). The bent portion 42 and the flat plate portion 41 are integrally formed structures, and the overall cross-section of the two is substantially S-shaped. The reinforcing portion 43 is provided on the bent portion 42 for reinforcing the bent portion 42.

[0077] Example 2

[0078] This embodiment provides an installation method for the positioning device of the derailment braking valve mounting seat of a railway freight car as described in Embodiment 1.

[0079] This installation method may include the following steps:

[0080] 1) As Figures 1 to 3 shown, provide a platform 9 for the car body and two sets of bolster supports 6. The bolster supports 6 are arranged on the platform 9 for the car body, and the two sets of bolster supports 6 correspond to the front bolster 111 and the rear bolster 112 on the railway freight car body one by one. Figure 3 In, G refers to the upper surface of the floor.

[0081] 2) The platform 9 for the car body is used to support the railway freight car body. Place the railway freight car body horizontally so that the front bolster 111 and the rear bolster 112 on the railway freight car body respectively correspond to the two sets of bolster supports 6.

[0082] In step 2), it may also include arranging the lateral blocks 7 close to the bolster supports 6 to prevent the lateral movement of the railway freight car body; a plurality of lateral blocks 7 are symmetrically arranged with respect to the lateral central axis of the two bolsters.

[0083] 3) As Figure 1As shown, the rear bolster 112 is fixedly connected to the corresponding bolster support 6 through a connecting member (such as a bolster pin). The support platform 5 is arranged below the railway freight car body. There can be multiple support platforms 5. The support platform 5 can be a support column. Third mounting seat positioning blocks and fourth mounting seat positioning blocks are arranged on the support platforms 5 at corresponding positions on both sides of the rear bolster 112. First sliding units and second sliding units are respectively installed on the support platforms 5 at corresponding positions on both sides of the front bolster 111 (specifically, a first support seat, a first guide rail, and a first slider can be installed first, and then a second support seat 83, a second guide rail, and a second slider can be installed); both ends of the first transverse connection portion 2 are respectively connected to the first slider of the first sliding unit and the second slider of the second sliding unit. Then, first mounting seat positioning blocks and second mounting seat positioning blocks are respectively arranged on the first slider and the second slider, and the two mounting seat positioning blocks can move along the length direction of the railway freight car body, that is, the two mounting seat positioning blocks adopt a sliding track assembly method, which is convenient for adjusting the dimensions between the two bolsters and the mounting seat positioning blocks, so as to adjust the position of the derailment brake valve mounting seat.

[0084] In step 3), the installation sequence of each component can be adjusted as needed.

[0085] 4) Arrange the auxiliary sliding unit 3 on the support platform 5, and then install the positioning plate 4 on the end of the second transverse connection portion 33 and away from the first longitudinal connection portion 34. Specifically, the auxiliary sliding unit 3 can be arranged on the support platform 5 first (specifically, the third support seat can be arranged on the support platform 5 first, then the third guide rail can be arranged on the third support seat, and then the third slider can be installed on the third guide rail), and then an auxiliary positioning block 31 is arranged on the third slider of the auxiliary sliding unit 3. The first longitudinal connection portion 34 is respectively connected to the third slider of the auxiliary sliding unit 3 and the first slider of the first sliding unit. Then, one end of the second transverse connection portion 33 is connected to the first longitudinal connection portion 34, which can be connected by welding or bolts; the other end of the second transverse connection portion 33 is connected to one end of the diagonal brace portion 32, which can be connected by bolts; the other end of the diagonal brace portion 32 is connected to the third slider of the auxiliary sliding unit 3, which can be connected by bolts or welding. One end of the second longitudinal connection portion 35 is connected to the other end of the second transverse connection portion 33, which can be connected by welding or bolts. The other end of the second longitudinal connection portion 35 is connected to the first transverse connection portion 2, which can be connected by welding or bolts. In step 4), the installation sequence of each component can be adjusted as needed.

[0086] Example 3

[0087] This embodiment provides a method for using the positioning device of the derailment brake valve mounting seat of a railway freight car as described in Embodiment 1, including the following steps:

[0088] (1) According to the positions of the two core plates (i.e., according to the positions of the front core plate 111 and the rear core plate 112), the first sliding unit, the second sliding unit and the auxiliary sliding unit 3 are adjusted in linkage, so that the positioning plate 4 abuts against the front core plate 111, specifically, the end surface of the free end of the positioning plate 4 (i.e., the end surface of the bent portion 43) abuts against the front core plate vertical surface 111F. Thus, the positions of the four mounting seat positioning blocks relative to the core plate meet the predetermined positions.

[0089] 2) Four derailment brake valve mounting seats are positioned and installed according to the positioning positions of the four mounting seat positioning blocks. Among them, the first derailment brake valve mounting seat 121 is positioned and installed according to the first mounting seat positioning block; the second derailment brake valve mounting seat 122 is positioned and installed according to the second mounting seat positioning block; the third derailment brake valve mounting seat 123 is positioned and installed according to the third mounting seat positioning block; and the fourth derailment brake valve mounting seat 124 is positioned and installed according to the fourth mounting seat positioning block.

[0090] Particularly, a part of the 3rd derailing brake valve mounting seat 123 is installed on the 3rd mounting seat locating block by bolt positioning, and another part is connected to the railway freight car body by bolt or welding. A part of the 4th derailing brake valve mounting seat 124 is installed on the 4th mounting seat locating block by bolt positioning, and another part is connected to the railway freight car body by bolt or welding. A part of the first derailing brake valve mounting seat 121 is located on the first mounting seat locating block by bolt positioning, and another part is connected to the railway freight car body by bolt or welding. The second derailing brake valve mounting seat 122 is located on the second mounting seat locating block by bolt positioning, and a part is connected to the railway freight car body by bolt or welding.

[0091] The positioning installation of the derail brake valve mounting seat has been completed in this way.

[0092] After the positioning of the derail brake valve mounting seat is completed, some components in the positioning device can be removed, and the vehicle body platform 9 and the center plate support 6 are retained to facilitate the continued installation of other accessories including the derail brake valve.

[0093] The present invention is not limited to the above-mentioned embodiments. Without departing from the essential content of the present invention, any deformation, improvement, and substitution that can be thought of by those skilled in the art shall fall within the scope of the present invention.

Claims

1. A positioning device for the mounting seat of a derailment braking valve of a railway freight car, wherein, The two center plates on the railway freight car body are respectively the front center plate and the rear center plate; the characteristics are: The positioning device comprises a supporting platform, a platform for the vehicle body, a center plate support, a mounting seat positioning block, a sliding unit, an auxiliary sliding unit and a positioning plate; The supporting platform and the vehicle body platform are both provided in plurality; The center plate support is provided in two groups, and the two groups of center plate support are respectively provided on the vehicle body platform and correspond to the front center plate and the rear center plate respectively; The number of the mounting seat positioning blocks is four, two of which are fixed on the supporting platform and located on both sides of the rear center plate; The sliding units are provided in two pieces, which are respectively fixed on the supporting platform and respectively located on both sides of the front center plate; the two sliding units are connected via a first transverse connecting portion; two other mounting seat positioning blocks are respectively provided above the two sliding units, and are configured to adjust the positions of the two mounting seat positioning blocks in a linkage manner; The auxiliary sliding unit is configured to be linked with the sliding unit; the auxiliary sliding unit is connected to one of the sliding units via a first longitudinal connecting portion; One end of the positioning plate is connected to the first longitudinal connection portion via a second transverse connection portion, and the other end of the positioning plate is a free end, and the free end is close to the front center plate.

2. The positioning device according to claim 1, characterized in that, The positioning device further comprises a second longitudinal connecting portion; two ends of the second longitudinal connecting portion are respectively connected to the second transverse connecting portion and the first transverse connecting portion.

3. The positioning device according to claim 1, wherein The positioning device further comprises an oblique support portion; one end of the oblique support portion is connected to the second transverse connecting portion, and the other end of the oblique support portion is connected to the auxiliary sliding unit; an acute angle is formed between the oblique support portion and the second transverse connecting portion.

4. The positioning device according to claim 2, wherein The second longitudinal connection part is arranged relatively parallel to the first longitudinal connection part; the second transverse connection part is arranged relatively parallel to the first transverse connection part; the central axis of the first transverse connection part is parallel to the transverse central axes of the two core disks.

5. The positioning device according to claim 3, characterized in that The auxiliary sliding unit includes a third sliding block; one end of the diagonal support portion is connected to the second transverse connecting portion, and the other end is connected to the third sliding block.

6. The positioning device according to claim 5, wherein The positioning device further comprises an auxiliary positioning block, and the auxiliary positioning block is arranged on the third sliding block.

7. The positioning device according to claim 5, characterized in that The two sliding units are respectively a first sliding unit and a second sliding unit; the first sliding unit includes a first slider; the second sliding unit includes a second slider; the two ends of the first transverse connecting portion are respectively connected to the first slider and the second slider; the first longitudinal connecting portion is respectively connected to the first slider and the third slider.

8. The positioning device according to claim 1, characterized in that The positioning plate includes a flat portion, a bent portion and a reinforcement portion. The flat portion is connected to the end of the second transverse connecting portion. The bent portion and the flat portion are an integrally formed structure, and the cross-sections of the two are basically S-shaped. The reinforcement portion is arranged on the bent portion to reinforce the bent portion.

9. The positioning device according to claim 1, characterized in that, It also includes a plurality of transverse stops, which are arranged close to the core plate support and are used to prevent the lateral movement of the railway freight car body.

10. The positioning device according to claim 1, characterized in that, The flatness of the upper surface of the core disk support is no greater than 0.3 mm.

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