Dry-type rim lubricating device

Abstract

The utility model provides a dry-type wheel flange lubricating device, which is mounted on a frame, close to a wheel flange, of a train and used for lubricating the position between the wheel flange and a track, and comprises a mounting shell, the two ends, in the length direction, of the mounting shell are communicated with the interior of the mounting shell, and the mounting shell is mounted on the frame, close to the wheel flange, of the train; the dry type lubricating block is made of a solid lubricant material, one end of the dry type lubricating block extends into the mounting shell from one end of the mounting shell and extends out of the other end of the mounting shell for a preset distance, and the part, extending out of the mounting shell, of the dry type lubricating block is used for making contact with a wheel rim; and one end of the limiting assembly extends into the mounting shell and extends in the length direction of the mounting shell, the other end of the limiting assembly is detachably connected with the mounting shell, and the limiting assembly is used for fixing the dry type lubricating block in the mounting shell. Compared with an existing mode that the lubricating block is installed near the rim through adhesion or bolt fixation, the stability of the dry type lubricating block in the lubricating process and the convenience of installation, disassembly and maintenance are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wheel flange lubrication, in particular to a dry type wheel flange lubricating device. BACKGROUND

[0002] In the process of train operation of industrial machinery, the train relies on the wheel flange for guidance, especially when passing through a small radius curve. The contact between the wheel flange and the guide rail side generates a great lateral force and friction, which can cause wear of the wheel flange and the track. Such wear not only shortens the service life of the wheel and the track, but also increases the track play, affects the stability of train operation, and makes the train running safety lower. Therefore, in order to reduce the friction between the wheel flange and the track, it is necessary to lubricate the wheel flange. The commonly used lubrication methods are mainly wet lubrication and dry lubrication. Wet lubrication mainly uses an oil sprayer to spray oil at the root of the wheel flange to form an oil film to reduce the wear between the wheel and the rail. However, when the wheel flange root bears high load and high temperature, the liquid oil film will be damaged, thereby losing the lubricating ability. Dry lubrication uses a dry lubricating block to reduce friction and wear by using solid lubricant or lubricating coating. Dry lubrication has the advantages of reducing wear between the wheel and the rail, reducing noise, prolonging the maintenance cycle of the wheel, and increasing the service life of the wheel. Therefore, the dry lubricating block gradually replaces the oil sprayer.

[0003] The existing dry lubricating block is usually installed near the wheel flange by adhesion or bolt fixation. The adhesion method may have the problems of insecure fixation or causing the dry lubricating block to fall off. The bolt fixation method makes the installation, disassembly and maintenance of the dry lubricating block more complex. Based on this, the present application provides a dry type wheel flange lubricating device. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a dry type wheel flange lubricating device to solve the technical problems described in the background.

[0005] To solve the above technical problems, the present application adopts the following technical solutions:

[0006] The present application provides a dry type wheel flange lubricating device, which is installed on a car frame near a wheel flange of a train and is used for lubricating between the wheel flange and the track. The device comprises:

[0007] A mounting shell, which is in communication with the inside of the mounting shell at both ends along the length direction thereof, and is mounted on the car frame near the wheel flange of the train;

[0008] A dry lubricating block made of solid lubricant material, one end of the dry lubricating block extends into the mounting shell from one end of the mounting shell and extends out of the other end of the mounting shell by a predetermined distance, and the part of the dry lubricating block extending out of the mounting shell is used for contacting the wheel flange.

[0009] A limiting assembly, one end of which extends into the mounting shell along the length direction of the mounting shell, and the other end of which is detachably connected with the mounting shell, is used for fixing the dry lubricating block in the mounting shell.

[0010] Optionally, the limiting assembly comprises a bearing plate, a coil spring and a connecting shaft.

[0011] The coil spring and the connecting shaft are both arranged on the bearing plate and are respectively close to the two ends of the length direction of the bearing plate; one end of the coil spring extends into the mounting shell along the length direction of the mounting shell, and the connecting shaft is detachably connected with the mounting shell.

[0012] Optionally, the connecting shaft is detachably connected with the mounting shell through a fastening bolt.

[0013] A first threaded through hole is formed in the connecting shaft, and second threaded through holes are respectively formed in the two sides of the mounting shell along the width direction thereof; the first threaded through hole and the two second threaded through holes are all matched with the fastening bolt.

[0014] The screw end of the fastening bolt successively penetrates one of the second threaded through holes, the first threaded through hole and the other second threaded through hole and is threadedly sleeved with a nut, so as to connect the connecting shaft and the mounting shell together.

[0015] Optionally, the end of the bearing plate close to the connecting shaft is provided with a baffle.

[0016] The baffle is used for closing one end of the mounting shell.

[0017] Optionally, a push-pull ring is arranged on the side wall outside the mounting shell.

[0018] The push-pull ring is used for pushing the bearing plate into the mounting shell or for pulling the bearing plate out of the mounting shell.

[0019] Optionally, a plurality of observation holes are arranged on the mounting shell along the length direction thereof.

[0020] The plurality of observation holes are distributed along the length direction of the mounting shell and are used for observing the use condition of the dry lubricating block installed in the mounting shell.

[0021] Optionally, a mounting plate is arranged on the mounting shell, and a mounting hole for mounting the mounting plate on the vehicle frame is formed in the mounting plate.

[0022] The dry rim lubricating device provided by the application, by inserting one end of the dry lubricating block into one end of the mounting shell and extending the other end of the dry lubricating block out of the mounting shell by a preset distance, then inserting one end of the limiting assembly into the mounting shell and extending along one end of the mounting shell, and detachably connecting one end of the limiting assembly with the mounting shell, so as to fix the dry lubricating block in the mounting shell and extending out of the mounting shell by a preset distance, improve the stability of the dry lubricating block in the mounting shell, and ensure the stability of the dry lubricating block in the lubricating process and the lubricating efficiency of the dry lubricating block. In addition, the part of the dry lubricating block extending out of the mounting shell by a preset distance is in contact with the wheel rim, and the dry lubricating block rotates with the wheel during the contact with the wheel rim, the friction between the wheel and the track causes the temperature of the wheel rim and the track to rise, and as the temperature rises, the dry lubricating block made of solid lubricant material gradually softens until it melts and adheres to the wheel rim, and forms a lubricating film on the surface of the wheel rim, thereby playing a lubricating role. Compared with the existing method of installing the dry lubricating block near the rim by adhesion or bolt fixation, the dry rim lubricating device of the application lubricates the wheel rim, improves the stability of the dry lubricating block in the lubricating process, and improves the convenience of installation, disassembly and maintenance of the dry lubricating block. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0024] Figure 1 The structural schematic diagram of the dry rim lubricating device provided by an embodiment of the application;

[0025] Figure 2 The structural schematic diagram of the limiting assembly limiting the dry lubricating block provided by an embodiment of the application;

[0026] Figure 3 The structural schematic diagram of the coil spring on the bearing plate in the initial state provided by an embodiment of the application;

[0027] Figure 4 The structural schematic diagram of the mounting shell provided by an embodiment of the application, in which a first threaded hole is formed;

[0028] Figure 5 The top view of the dry rim lubricating device provided by an embodiment of the application, in which the dry lubricating block is in contact with the wheel rim.

[0029] In the figure: 100, mounting shell; 101, second threaded hole; 102, observation hole; 103, mounting plate; 1031, mounting hole; 200, dry lubricating block; 300, limiting assembly; 301, bearing plate; 302, coil spring; 303, connecting shaft; 3031, first threaded hole; 400, fastening bolt; 401, nut; 500, baffle; 501, push-pull ring; 600, wheel rim. DETAILED DESCRIPTION

[0030] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are described clearly and completely below. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0031] Reference Figures 1 to 4 The present application provides a dry wheel rim lubricating device, which is installed on a frame of a train close to a wheel rim 600 and is used for lubricating between the wheel rim 600 and a track, comprising:

[0032] A mounting shell 100, both ends of the mounting shell 100 along the length direction thereof are communicated with the inside thereof, and the mounting shell 100 is installed on a frame of a train close to a wheel rim 600; wherein the mounting shell 100 can be fixed on the frame of the train close to the wheel rim 600 by a detachable connection (see Figure 5 ), and the specific mode can be set according to actual needs, which is not limited in the present application. The train can be a subway, a high-speed rail and the like, which is not limited in the present application. That is to say, the dry wheel rim lubricating device in the present application is mainly used for lubricating between the wheel rim 600 and the track of the subway, the high-speed rail and the like in the train. In addition, in the process of actually installing the dry wheel rim lubricating device, in order to ensure that the dry lubricating block 200 is more fully abutted with the wheel rim 600, the dry lubricating block 200 can be at a certain angle with the direction of the wheel advancing, and Figure 5 It is shown that the dry lubricating block 200 is perpendicular to the direction of the wheel advancing or retreating, which is only one possible implementation mode of the dry lubricating block 200 contacting the wheel rim 600, and the specific implementation depends on the actual installation condition, which is not limited in the present application.

[0033] The dry lubricating block 200 made of solid lubricant material, one end of the dry lubricating block 200 extends into the installation shell 100 from one end of the installation shell 100 and extends out from the other end of the installation shell 100 by a predetermined distance (wherein the predetermined distance is set to ensure that the dry lubricating block 200 can contact the wheel rim 600, and the specific value can be set according to actual needs, and the present application does not make specific limitations here), and the part extending out of the installation shell 100 is used to contact the wheel rim 600; wherein the commonly used solid lubricant is molybdenum disulfide (MoS2), colloidal graphite, graphite, polytetrafluoroethylene (PTFE), paraffin, stearic acid, etc. Among them, graphite, MoS2 and PTFE belong to high-temperature lubricants, which are often used and widely used solid lubricants. Because graphite, MoS2 and PTFE have excellent thermal stability, they can still maintain good lubricating performance under the condition that the temperature of the wheel rim 600 of the train and the track is raised due to high-speed friction, and have low friction coefficient and strong pressure resistance. In addition, an adhesive is also needed in the production process of the dry lubricating block 200, and the adhesive commonly uses nitrile rubber.

[0034] The limiting assembly 300, one end of the limiting assembly 300 extends into the installation shell 100 and extends along the length direction of the installation shell 100, and the other end is detachably connected with the installation shell 100, for fixing the dry lubricating block 200 in the installation shell 100. Among them, the limiting assembly 300 is set to fix the dry lubricating block 200 in the installation shell 100 and ensure that the dry lubricating block 200 can extend out of the installation shell 100 by a predetermined distance, so as to ensure that one end of the dry lubricating block 200 extending out of the installation shell 100 contacts the wheel rim 600. During the contact of the dry lubricating block 200 with the wheel rim 600, the friction force between the wheel and the track makes the temperature of the wheel rim 600 and the track rise, and as the temperature rises, the dry lubricating block 200 made of solid lubricant material gradually softens until melts and adheres to the wheel rim 600, and forms a lubricating film on the surface of the wheel rim 600, thereby playing a lubricating role.

[0035] The dry rim lubricating device provided by the application, by means of the following steps: one end of the dry lubricating block 200 is inserted into one end of the mounting shell 100 and protrudes from the other end of the mounting shell 100 by a preset distance, then one end of the limiting assembly 300 is inserted into the mounting shell 100 and extends along one end of the mounting shell 100, and one end of the limiting assembly 300 is detachably connected with the mounting shell 100, so as to fix the dry lubricating block 200 in the mounting shell 100 and protrude from the mounting shell 100 by a preset distance, improve the stability of the dry lubricating block 200 in the mounting shell 100, and ensure the stability of the dry lubricating block 200 in the lubricating process and the lubricating efficiency of the dry lubricating block 200. In addition, the part of the dry lubricating block 200 protruding from the mounting shell 100 by a preset distance is in contact with the wheel rim 600, and the dry lubricating block 200 rotates with the wheel during the contact with the wheel rim 600, the friction between the wheel and the track causes the temperature of the wheel rim 600 and the track to rise, and as the temperature rises, the dry lubricating block 200 made of solid lubricant material gradually softens until it melts and adheres to the wheel rim 600, and a lubricating film is formed on the surface of the wheel rim 600, thereby playing a lubricating role. Compared with the existing method of directly installing the dry lubricating block 200 near the wheel rim 600 by adhesion or bolt fixation, the dry lubricating block 200 is installed in the mounting shell 100 and protrudes from the mounting shell 100 by a preset distance for contact with the wheel rim 600, and the mounting shell 100 can protect the dry lubricating block 200, and the mounting shell 100 is fixed on the frame of the train near the wheel rim 600 by welding or bolts, thereby avoiding the instability caused by adhering the dry lubricating block 200 to the wheel or the inconvenience of installation and disassembly caused by bolts, and the dry rim lubricating device lubricates the wheel rim 600, improves the stability of the dry lubricating block 200 in the lubricating process, and improves the convenience of installation, disassembly and maintenance of the dry lubricating block 200.

[0036] In some embodiments, with reference to Figure 2 The limiting assembly 300 in the application includes a bearing plate 301, a coil spring 302 and a connecting shaft 303. Specifically, the coil spring 302 and the connecting shaft 303 are both arranged on the bearing plate 301 and are respectively close to both ends of the length direction of the bearing plate 301. One end of the coil spring 302 is inserted into the mounting shell 100 and extends along the length direction of the mounting shell 100, and the connecting shaft 303 is detachably connected with the mounting shell 100. The connecting shaft 303 and the mounting shell 100 can be detachably connected by means of bolts, pins and the like, and the specific connection mode can be set according to actual needs, which is not limited herein.

[0037] In the above embodiment, during the installation of the dry lubricating block 200, the installation shell 100 is first installed on the frame of the train close to the wheel rim 600, then one end of the dry lubricating block 200 is inserted into the installation shell 100 from one end of the installation shell 100 and protrudes from the other end of the installation shell 100 by a predetermined distance and abuts against the wheel rim 600, then one end of the bearing plate 301 provided with the coil spring 302 is inserted into the installation shell 100 from the end of the dry lubricating block 200, and during the process of inserting the bearing plate 301 into the installation shell 100, the end of the dry lubricating block 200 inside the installation shell 100 always contacts the coil spring 302 and generates a top force on the coil spring 302 in the opposite direction of the movement of the bearing plate 301, so that the coil spring 302 gradually stretches to the other end until the bearing plate 301 is completely inserted into the installation shell 100 (at this time, the dry lubricating block 200 is tightly abutted between the wheel rim 600 and the coil spring 302, specifically, one end of the dry lubricating block 200 protruding from the installation shell 100 abuts against the wheel rim 600, and the other end abuts against the coil spring 302), and finally the connecting shaft 303 is connected with the installation shell 100. In addition, during the operation of the train, the wheel rim 600 rotates with the wheel, and the abutting end of the dry lubricating block 200 and the wheel rim 600 generates a friction force between them, so that the abutting end of the dry lubricating block 200 and the wheel rim 600 is worn and a gap is generated, and when the dry lubricating block 200 is worn, the coil spring 302 abutting against the other end of the dry lubricating block 200 extends to its initial state (reference Figure 3 ) and continuously abuts the dry lubricating block 200 between the wheel rim 600 and the coil spring 302, thereby ensuring the continuity of the lubrication process of the wheel rim 600, and avoiding manual movement of the dry lubricating block 200, improving the convenience of the lubrication process.

[0038] In some embodiments, referring to Figure 1 , the connecting shaft 303 and the installation shell 100 in the present application are detachably connected by the fastening bolt 400; wherein the connecting shaft 303 and the installation shell 100 are connected by the fastening bolt 400, so that the stability after installation is good, and the disassembly is convenient.

[0039] Specifically, the connecting shaft 303 is provided with a first threaded hole 3031, and the mounting shell 100 is provided with a second threaded hole 101 on each side along the width direction of the mounting shell 100, the first threaded hole 3031 and the two second threaded holes 101 are matched with the fastening bolt 400; wherein the threaded end of the fastening bolt 400 penetrates the first threaded hole 3031 and the second threaded holes 101 in sequence and is threadedly sleeved with a nut 401, so as to connect the connecting shaft 303 and the mounting shell 100 together. Wherein, the connecting shaft 303 and the mounting shell 100 are connected through the fastening bolt 400, the first threaded hole 3031 on the connecting shaft 303 and the second threaded hole 101 on the mounting shell 100, so as to fix the bearing plate 301 provided with the connecting shaft 303 and the coil spring 302 in the mounting shell 100, thereby realizing the fixation of the coil spring 302 to the dry lubricating block 200.

[0040] In some embodiments, with reference to Figure 2 and Figure 3 The bearing plate 301 in the application is provided with a baffle 500 at one end close to the connecting shaft 303; wherein the baffle 500 can be connected with the bearing plate 301 by welding, or can be connected by other ways, and the specific way can be set according to the actual situation, and the application does not make specific limitation here.

[0041] In addition, the baffle 500 is used to close one end of the mounting shell 100. Since one end of the dry lubricating block 200 extends out of the mounting shell 100 by a predetermined distance and the other end is located in the mounting shell 100, in order to avoid the end of the dry lubricating block 200 located in the mounting shell 100 from extending out of the mounting shell 100 and ensure the stability of the position of the dry lubricating block 200 relative to the mounting shell 100, the baffle 500 is used to shield one end of the mounting shell 100.

[0042] In some embodiments, with reference to Figures 1 to 3 The baffle 500 in the application is provided with a push-pull ring 501 on the side wall outside the mounting shell 100; wherein the push-pull ring 501 can be ring-shaped, or can be other shapes, and the specific shape can be set according to the actual need, and the application does not make specific limitation here.

[0043] In addition, the push-pull ring 501 is used to push the bearing plate 301 into the mounting shell 100 or to pull the bearing plate 301 out of the mounting shell 100.

[0044] In the above embodiment, in the process of fixing the dry lubricating block 200 in the mounting shell 100 by the coil spring 302 on the bearing plate 301 and the connecting shaft 303, the bearing plate 301 is pushed into the mounting shell 100 by pushing the push-pull ring 501 into the mounting shell 100 by the worker holding the push-pull ring 501. In the process of repairing or replacing the dry lubricating block 200 in the mounting shell 100, the bearing plate 301 is pulled out of the mounting shell 100 by pulling the push-pull ring 501 away from the mounting shell 100 by the worker holding the push-pull ring 501, so that the dry lubricating block 200 in the mounting shell 100 is not limited by the coil spring 302 on the bearing plate 301, thereby facilitating the replacement of the dry lubricating block 200 in the mounting shell 100.

[0045] In some embodiments, with reference to Figure 1 , the mounting shell 100 in the application is provided with a plurality of observation holes 102 along the length direction thereof; wherein the number and shape of the observation holes 102 can be set according to actual needs, and the application does not make specific limitation thereto.

[0046] In addition, the plurality of observation holes 102 are distributed along the length direction of the mounting shell 100 for observing the use of the dry lubricating block 200 installed in the mounting shell 100.

[0047] In the above embodiment, as the train running time is prolonged, the dry lubricating block 200 is continuously consumed, and the observation holes 102 are provided to facilitate the observation of the use of the dry lubricating block 200 installed in the mounting shell 100. When the remaining amount of the dry lubricating block 200 in the mounting shell 100 is small, the dry lubricating block 200 in the mounting shell 100 is replenished in time to ensure the continuity of the lubrication process of the wheel flange 600 and the rail, and the lubrication effect of the wheel flange 600 is ensured.

[0048] In some embodiments, with reference to Figure 1 and Figure 4 , the mounting shell 100 in the application is provided with a mounting plate 103, and the mounting plate 103 is provided with a mounting hole 1031 for mounting the mounting plate 103 on the vehicle frame. Wherein the mounting plate 103 can be connected with the mounting shell 100 by welding, or can be connected with the mounting shell 100 by other ways, and the specific connection mode can be set according to actual needs, and the application does not make specific limitation thereto.

[0049] In the above embodiments, the shape of the mounting hole 1031 can be set according to specific conditions, and the purpose is to fix the mounting shell 100 on the frame, therefore, the present application does not make specific limitations here. By fixing the mounting shell 100 on the frame through the mounting hole 1031, the stability of the entire dry rim lubricating device is improved, and the stability and lubricating efficiency of the dry lubricating block 200 during the lubricating process are ensured.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand; it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A dry wheel flange lubrication device, installed on the frame of a train near the wheel flange (600) and used for lubricating the wheel flange (600) and the rail, characterized in that, include: Mounting housing (100), the mounting housing (100) having its two ends communicating with its interior along its length, and being mounted on the frame of the train near the wheel flange (600); A dry lubrication block (200) made of solid lubricant material, one end of which extends into one end of the mounting housing (100) and extends out of the other end of the mounting housing (100) by a predetermined distance, and the part of which extends out of the mounting housing (100) is used to contact the wheel rim (600); A limiting component (300) has one end extending into the mounting housing (100) and along the length of the mounting housing (100), and its other end is detachably connected to the mounting housing (100) for fixing the dry lubricating block (200) inside the mounting housing (100).

2. The dry rim lubrication device according to claim 1, characterized in that, The limiting component (300) includes a support plate (301), a coil spring (302), and a connecting shaft (303). The coil spring (302) and the connecting shaft (303) are both disposed on the support plate (301) and are respectively close to both ends of the support plate (301) in the length direction; one end of the support plate (301) on which the coil spring (302) is disposed extends into the mounting housing (100) and extends along the length direction of the mounting housing (100); the connecting shaft (303) is detachably connected to the mounting housing (100).

3. The dry rim lubrication device according to claim 2, characterized in that, The connecting shaft (303) and the mounting housing (100) are detachably connected by fastening bolts (400); The connecting shaft (303) is provided with a first threaded through hole (3031), and the mounting housing (100) is provided with second threaded through holes (101) on both sides along its width direction. The first threaded through hole (3031) and the two second threaded through holes (101) are adapted to the fastening bolt (400). The screw end of the fastening bolt (400) passes through one of the second threaded through holes (101), the first threaded through hole (3031) and the other second threaded through hole (101) in sequence and is threaded with a nut (401) to connect the connecting shaft (303) and the mounting housing (100) together.

4. The dry rim lubrication device according to claim 2, characterized in that, A baffle (500) is provided at one end of the bearing plate (301) near the connecting shaft (303); The baffle (500) is used to close one end of the mounting housing (100).

5. The dry rim lubrication device according to claim 4, characterized in that, The baffle (500) is provided with a push-pull ring (501) on the side wall outside the mounting housing (100); The push-pull ring (501) is used to push the support plate (301) into the mounting housing (100) or to pull the support plate (301) out of the mounting housing (100).

6. The dry rim lubrication device according to claim 1, characterized in that, The mounting housing (100) has a plurality of observation holes (102) along its length. Multiple observation holes (102) are distributed along the length of the mounting housing (100) for observing the usage of the dry lubrication block (200) installed in the mounting housing (100).

7. The dry rim lubrication device according to any one of claims 1 to 6, characterized in that, The mounting housing (100) is provided with a mounting plate (103), and the mounting plate (103) has mounting holes (1031) for mounting it on the vehicle frame.

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