Filtering device for locomotive sand box

Abstract

The utility model belongs to the technical field of filtering devices, and particularly relates to a filtering device for a locomotive sand box, which comprises a flange plate, a connecting pipe mounted at one end of the flange plate, a supporting framework mounted at one end, far away from the flange plate, of the connecting pipe, and a second filter screen arranged on the supporting framework. The ends, away from the connecting pipes, of the connecting rods are movably connected with first hinge rods, the ends, away from the connecting pipes, of the first hinge rods are movably connected with hinge blocks, one sides of the hinge blocks are movably connected with second hinge rods, the second hinge rods are located at the bottoms of the first hinge rods, and the second hinge rods and the first hinge rods form an L shape. The ends, away from the hinge blocks, of the second hinge rods are movably connected with hinge bases. According to the filtering device for the locomotive sand box, the diameter of the first filter screen can be changed so that the filtering device can be conveniently installed, and the mode is simple, so that the installation time can be saved, and the working efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter device technical field especially relates to a filter device for locomotive sand box. BACKGROUND

[0002] The sanding device of the locomotive plays a key role in the starting or running process of the locomotive, and its main function is to increase the adhesion coefficient between the wheel and the track by sanding, thereby enhancing the adhesion between the wheel and the track, effectively preventing the occurrence of locomotive idling or sliding phenomenon, and in this process, the sand box, as an indispensable component, is responsible for storing sand particles for sanding, these sand particles, usually made of quartz sand with certain particle size and hardness, can form a thin film between the locomotive wheel and the rail, significantly improving the friction between the wheel and the rail, and the filter device of the locomotive sand box is usually used to filter the sand dust and foreign matter in the sand box to keep the sand box clean, reduce the generation of foreign matter in the sand box, and protect the safety and reliability of the train locomotive and its related equipment, in the use process, the filter device is usually installed at the air inlet of the sand box, by filtering the air at the air inlet of the sand box, to reduce the sand dust and other impurities into the locomotive combustion chamber, thereby ensuring the normal operation and safety of the locomotive.

[0003] At present, the internal space of the sand box is limited, (i.e. the diameter of the sand box and the installation position of the filter device is limited) and part of the filter device for locomotive sand box is conical, in the installation process, due to the large diameter of the bottom of the conical filter device, the filter device needs to be carefully inserted into the internal space of the sand box, to avoid the phenomenon of jamming or sticking, therefore, there is a phenomenon of complicated installation, therefore, there is an urgent need for a filter device for locomotive sand box to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the utility model is completed.

[0005] Specifically, the technical problem to be solved by the utility model is to provide a filter device for locomotive sand box to solve the technical problem of complicated operation in the installation of the filter device.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0007] The utility model provides a filtering device for locomotive sand box, including flange plate, one end of flange plate is equipped with the connecting pipe, the connecting pipe is equipped with the support framework away from the one end of flange plate, be equipped with second screen on the support framework, the support framework includes the connecting rod fixed at the bottom of connecting pipe, the connecting rod annular array setting, the first articulated link is movably connected to the one end of connecting rod away from connecting pipe, the articulated block is movably connected to the one end of first articulated link away from connecting rod, the second articulated link is movably connected to the side of articulated block, the second articulated link is located the bottom of first articulated link, and forms L shape with it, the articulated seat is movably connected to the one end of second articulated link away from articulated block.

[0008] As an improved technical solution, the first screen is arranged on one side of the second articulated link, and the first screen is arranged in an annular array.

[0009] As an improved technical solution, the flange plate is provided with a connecting hole on the surface, and the connecting hole is arranged in an annular array.

[0010] As an improved technical solution, the connecting pipe is provided with a through hole on the surface, and the through holes are arranged at equal intervals.

[0011] As an improved technical solution, the flange plate is provided with a gasket on the outer surface, the gasket is located between the flange plate and the connecting pipe, and the gasket has a cylindrical structure.

[0012] After the above technical scheme is adopted, the utility model has the following beneficial effects:

[0013] 1. The utility model can change the diameter of the first screen to facilitate the installation of the filtering device, and this method is simple, thereby saving installation time and improving work efficiency.

[0014] 2. The utility model can save installation time of the filtering device by fixing the flange plate on the sand box through bolts, and can enhance the sealing performance of the flange plate and facilitate disassembly and replacement. DETAILED DESCRIPTION

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor. Among them:

[0016] Fig. 1 It is the whole structure schematic diagram of the filtering device for locomotive sand box of the utility model.

[0017] Fig. 2 Figure 1 is a schematic view of a support framework of a filtering device for a locomotive sand box according to the present application.

[0018] Fig. 3 Figure 4 is a schematic view of a first hinge rod and a second hinge rod of the filtering device for the locomotive sand box according to the present application.

[0019] Fig. 4 Figure 5 is a schematic view of a sand box and a second filter screen of the filtering device for the locomotive sand box according to the present application.

[0020] Mark explanation:

[0021] 1, flange; 101, connecting hole; 2, connecting pipe; 201, through hole; 3, support framework; 301, connecting rod; 302, first hinge rod; 303, hinge block; 304, second hinge rod; 305, hinge seat; 4, first filter screen; 5, second filter screen; 6, gasket. Specific implementation

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0024] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are satisfied at the same time.

[0025] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0026] As Figs. 1 to 4 The embodiment provides a filtering device for a locomotive sand box, and the filtering device for the locomotive sand box comprises a flange plate 1, one end of the flange plate 1 is provided with a connecting pipe 2, one end of the connecting pipe 2 away from the flange plate 1 is provided with a support framework 3, and the support framework 3 is provided with a second filter screen 5.

[0027] The support framework 3 comprises a connecting rod 301 fixed at the bottom of the connecting pipe 2, the connecting rod 301 is arranged in an annular array, one end of the connecting rod 301 away from the connecting pipe 2 is movably connected with a first hinged rod 302, one end of the first hinged rod 302 away from the connecting rod 301 is movably connected with a hinged block 303, one side of the hinged block 303 is movably connected with a second hinged rod 304, the second hinged rod 304 is located at the bottom of the first hinged rod 302 and forms an L shape with the first hinged rod 302, one end of the second hinged rod 304 away from the hinged block 303 is movably connected with a hinged seat 305, which is helpful to change the diameter of the second filter screen 5, meanwhile, the support framework 3 is provided with four groups and is arranged at equal intervals, the first filter screen 4 and the second filter screen 5 are matched with the support framework 3, and each group is located between two groups of support frameworks 3, the hinged seat 305 is used for connecting the symmetrical support frameworks 3, and meanwhile, the hinged seat 305 is located at the bottom of the connecting pipe 2, so that the support frameworks 3 form an integral whole.

[0028] One side of the second hinged rod 304 is provided with the first filter screen 4, the first filter screen 4 is arranged in an annular array, and one group of the first filter screen 4 is located between two groups of the second hinged rod 304, the first filter screen 4 is fixedly connected with the second hinged rod 304, and the two ends of the first filter screen 4 are not connected with the hinged block 303 and the hinged seat 305, so that the first filter screen 4 moves along with the movement of the second hinged rod 304, meanwhile, the first filter screen 4 corresponds to the second filter screen 5, and the second filter screen 5 is fixedly connected with the first hinged rod 302, so that the second filter screen 5 moves along with the movement of the first hinged rod 302.

[0029] The surface of the flange plate 1 is provided with connecting holes 101 arranged in an annular array, so that the flange plate 1 is fixed on the sand box through the connecting holes 101 by using bolts, and compared with other modes, this mode is more rapid and convenient, and is helpful to the maintenance or replacement operation.

[0030] The surface of the connecting pipe 2 is provided with through holes 201 arranged at equal intervals, and the through holes 201 are semicircular structures, so that the flow and transmission speed of air can be increased, and the filtration and discharge of impurities are promoted.

[0031] The outer surface of the flange plate 1 is provided with a gasket 6, the gasket 6 is located between the flange plate 1 and the connecting pipe 2, and the gasket 6 is in a cylindrical structure, so that the flange plate 1 and the connecting pipe 2 are connected more tightly, and the loosening phenomenon is avoided.

[0032] In use, the first articulated rod 302 is inwardly retracted by taking the second filter screen 5 to apply pressure, and the articulated block 303 drives the second articulated rod 304 to move towards the articulated seat 305 along with the movement of the first articulated rod 302, and the articulated seat 305 is lifted towards the connecting pipe 2, so that the second filter screen 5 is retracted, and the first filter screen 4 is deflected along with the movement of the second articulated rod 304, thereby achieving the purpose of retraction, and then it can be inserted into the inside of the sand box to facilitate the installation of the filtering device, and this method is simple, thereby saving installation time and improving work efficiency.

[0033] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the scope of protection of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached hereto.

Claims

1. A filter device for a locomotive sand box, characterized by: Including the flange (1), one end of the flange (1) is equipped with the connecting pipe (2), the connecting pipe (2) is equipped with the support framework (3) away from the one end of the flange (1), the support framework (3) is equipped with the second filter screen (5); The support framework (3) includes the connecting rod (301) fixed at the bottom of the connecting pipe (2), the connecting rod (301) is arranged in an annular array, one end of the connecting rod (301) away from the connecting pipe (2) is movably connected with the first articulated rod (302), one end of the first articulated rod (302) away from the connecting rod (301) is movably connected with the articulated block (303), one side of the articulated block (303) is movably connected with the second articulated rod (304), the second articulated rod (304) is located at the bottom of the first articulated rod (302) and forms an L shape with it, and one end of the second articulated rod (304) away from the articulated block (303) is movably connected with the articulated seat (305).

2. The locomotive sand box filter assembly of claim 1, wherein: One side of the second articulated rod (304) is provided with the first filter screen (4), and the first filter screen (4) is arranged in an annular array, and a group of the first filter screen (4) is located between two groups of the second articulated rod (304).

3. The locomotive sand box filter assembly of claim 2, wherein: The surface of the flange (1) is provided with the connecting hole (101), and the connecting hole (101) is arranged in an annular array.

4. The locomotive sand box filter assembly of claim 3, wherein: The surface of the connecting pipe (2) is provided with the through hole (201), and the through holes (201) are arranged at equal intervals.

5. The locomotive sand box filter assembly of claim 4, wherein: The outer surface of the flange (1) is provided with the gasket (6), and the gasket (6) is located between the flange (1) and the connecting pipe (2), and the gasket (6) is in a cylindrical structure.

Images