Special oiling tool for rail head gauge angle of steel rail

Abstract

The utility model relates to the technical field of railway maintenance, in particular to a special oiling tool for a rail head gauge corner of a steel rail, which comprises a vehicle body frame, a front side roller and a rear side roller which are rotatably connected to the bottom of the vehicle body frame, a pump body and an oil storage tank which are fixed on the vehicle body frame, and a fixed frame fixed below the vehicle body frame, an oil inlet of the pump body is communicated with the oil storage tank through an oil inlet pipe, an oil outlet of the pump body is communicated with the oil spraying head through an oil outlet pipe, and the driving end of the pump body is connected with the rear side roller through a transmission structure; the oiling device has the advantages of being more accurate in oiling position, more uniform in oiling amount and higher in oiling efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of railway maintenance, and particularly relates to a special oiling tool for the gauge angle of the rail head of a rail. Background Technique

[0002] Due to the increase in the operation years and the passing volume, the rail surface state of the small-radius curve rails and turnout lead rails in each yard section of the existing line gradually declines, the diseases gradually increase, and abnormal wear of the rails occurs from time to time. At present, for the diseases and abnormal wear of the yard section rails, manual grinding and rectification and rail oiling means are adopted to eliminate and slow down the development of abnormal wear. Manual oiling mainly uses a flat oil brush to brush the gauge angle of the rail. This operation method has problems such as difficult control of the oiling position, uneven oiling amount, and low oiling operation efficiency. Content of the Utility Model

[0003] The purpose of the utility model is to provide a special oiling tool for the gauge angle of the rail head of a rail, which has a more accurate oiling position, a more uniform oiling amount, and a higher oiling efficiency, aiming at the above deficiencies.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A special oiling tool for the gauge angle of the rail head of a rail includes a vehicle body frame, a front roller and a rear roller rotatably connected to the front side and the rear side of the bottom of the vehicle body frame, a pump body and a fuel tank fixed on the vehicle body frame, a fixing frame fixed below the vehicle body frame, an oil injection head installed on the fixing frame. The inlet of the pump body and the fuel tank are connected through an inlet pipe, the outlet of the pump body and the oil injection head are connected through an outlet pipe, and the driving end of the pump body and the rear roller are connected through a transmission structure.

[0006] Further, the rear roller is rotatably connected to the bottom of the vehicle body frame through a rotating shaft, and the driving end of the pump body is provided with a driving shaft; the transmission structure includes a driving gear fixed on the rotating shaft, a driven gear fixed on the driving shaft, and the driving gear and the driven gear are connected through a chain.

[0007] Further, a back plate is fixed on the fixing frame, two sliding seats symmetrically fixed on the left and right on the back plate, two sliding rods are slidably connected on the two sliding seats, the oil injection head is fixed at one end of the sliding rod, a fixing head is fixed at the other end of the sliding rod, a first spring and a second spring are sleeved on the sliding rod, two ends of the first spring are respectively connected to the left sliding seat and the oil injection head, and the starting end and the ending end of the second spring are respectively connected to the right sliding seat and the fixing head.

[0008] Further, the fuel injector includes a seat body, a head fixed to one end of the seat body, a tail portion movably disposed at the other end of the seat body, and a connecting portion fixed to one side of the seat body. The head is provided with a liquid outlet, a first channel communicating with the liquid outlet is provided in the seat body, a second channel is provided in the connecting portion, one end of the oil outlet pipe communicates with the second channel, a valve core is slidably connected in the first channel, the valve core is connected to the tail portion through a connecting rod, the connecting rod is slidably connected to the seat body, a third spring is connected to the connecting rod, and both ends of the third spring are connected to the seat body and the valve core. An L-shaped channel communicating the first channel and the second channel is provided in the valve core. When the first spring and the second spring are in a compressed state, the third spring is stretched, and the L-shaped channel connects the first channel and the second channel.

[0009] Further, the head is provided with an arc-shaped abutting surface.

[0010] The beneficial effects of the present utility model are:

[0011] In practical applications, during use, the front roller and the rear roller are placed on the rail head of the rail, the fuel injector abuts against the gauge corner. During the process of pushing the vehicle body frame forward, the rear roller rotates to drive the transmission structure to drive the pump body to work. The pump body pumps the oil liquid in the fuel tank and sprays the oil liquid onto the gauge corner through the oil outlet pipe and the fuel injector; wherein, the outer arc surfaces of the front roller and the rear roller are both consistent with the shape of the rail head. The present utility model has the advantages of more accurate oiling position, more uniform oiling amount, and higher oiling efficiency. Description of the Drawings

[0012] Figure 1 is the overall structural schematic diagram of the present utility model;

[0013] Figure 2 is the front view of the present utility model;

[0014] Figure 3 is the structural schematic diagram of the fuel injector and the back plate in the present utility model;

[0015] Figure 4 is the cross-sectional view of the fuel injector in the present utility model;

[0016] Reference numerals: vehicle body frame 1; front roller 2; rear roller 3; rotating shaft 31; pump body 4; driving shaft 41; oil outlet pipe 42; fuel tank 5; fixing bracket 6; back plate 61; sliding seat 62; sliding rod 63; fixing head 64; first spring 65; second spring 66; fuel injector 7; seat body 71; first channel 711; head 72; liquid outlet 721; arc-shaped abutting surface 722; tail portion 73; connecting portion 74; second channel 741; valve core 75; L-shaped channel 751; connecting rod 76; third spring 77. Detailed Embodiments

[0017] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, a special oiling tool for the gauge angle of the rail head includes a vehicle body frame 1, a front roller 2 and a rear roller 3 rotatably connected to the front side and the rear side of the bottom of the vehicle body frame 1, a pump body 4 and an oil storage tank 5 fixed on the vehicle body frame 1, a fixing frame 6 fixed below the vehicle body frame 1, and an oil injection head 7 installed on the fixing frame 6. The oil inlet of the pump body 4 is communicated with the oil storage tank 5 through an oil inlet pipe, and the oil outlet of the pump body 4 is communicated with the oil injection head 7 through an oil outlet pipe 42. The driving end of the pump body 4 is connected to the rear roller 3 through a transmission structure.

[0018] During use, place the front roller 2 and the rear roller 3 on the rail head, and press the oil injection head 7 against the gauge angle. When pushing the vehicle body frame 1 forward, the rear roller 3 rotates to drive the transmission structure to drive the pump body 4 to work. The pump body 4 pumps out the oil in the oil storage tank 5, and sprays the oil onto the gauge angle through the oil outlet pipe 42 and the oil injection head 7. Among them, the outer arc surfaces of the front roller 2 and the rear roller 3 are both consistent with the shape of the rail head. The utility model has the advantages of more accurate oiling position, more uniform oiling amount, and higher oiling efficiency.

[0019] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, the rear roller 3 is rotatably connected to the bottom of the vehicle body frame 1 through a rotating shaft 31, and a driving shaft 41 is arranged at the driving end of the pump body 4. The transmission structure includes a driving gear 81 fixed on the rotating shaft 31, a driven gear 82 fixed on the driving shaft 41, and the driving gear 81 and the driven gear 82 are connected by a chain 83. In this embodiment, during the forward rolling of the rear roller 3, the rotating shaft 31 drives the driving shaft 41 to rotate through the driving gear 81, the chain 83 and the driven gear 82, so that the pump body 4 provides a power source for the oil. Among them, the pump body 4 includes a housing fixed on the vehicle body frame 1, a power chamber arranged in the housing, an impeller rotatably connected in the power chamber, the driving shaft 41 is connected to the central shaft of the impeller, and during the rotation of the driving shaft 41, the impeller rotates in the power chamber to provide a power source for the oil entering the power chamber.

[0020] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a backboard 61 is fixed on the fixing bracket 6, two sliding seats 62 are symmetrically fixed on the left and right on the backboard 61, two sliding rods 63 are slidably connected to the two sliding seats 62, the oil injector 7 is fixed at one end of the sliding rod 63, a fixed head 64 is fixed at the other end of the sliding rod 63, a first spring 65 and a second spring 66 are sleeved on the sliding rod 63, two ends of the first spring 65 are respectively connected to the left sliding seat 62 and the oil injector 7, and the starting end and the ending end of the second spring 66 are respectively connected to the right sliding seat 62 and the fixed head 64; in this embodiment, when the oil injector 7 abuts against the gauge corner and opens, the sliding rod 63 slides to the right, and the first spring 65 and the second spring 66 are compressed.

[0021] As Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the oil injector 7 includes a seat body 71, a head 72 fixed at one end of the seat body 71, a tail 73 movably arranged at the other end of the seat body 71, a connecting portion 74 fixed on one side of the seat body 71, a liquid outlet 721 is arranged on the head 72, a first channel 711 communicating with the liquid outlet 721 is arranged in the seat body 71, a second channel 741 is arranged in the connecting portion 74, one end of the oil outlet pipe 42 communicates with the second channel 741, a valve core 75 is slidably connected in the first channel 711, the valve core 75 is connected to the tail 73 through a connecting rod 76, the connecting rod 76 is slidably connected to the seat body 71, a third spring 77 is connected to the connecting rod 76, two ends of the third spring 77 are connected to the seat body 71 and the valve core 75, an L-shaped channel 751 communicating the first channel 711 and the second channel 741 is arranged in the valve core 75, when the first spring 65 and the second spring 66 are in a compressed state, the third spring 77 is stretched, and the L-shaped channel 751 communicates the first channel 711 and the second channel 741; in this embodiment, during use, the front roller 2 and the rear roller 3 are placed on the rail head, the head 72 abuts against the gauge corner, the first spring 65 and the second spring 66 are compressed, the tail 73 abuts against the adjacent sliding seat 62, the third spring 77 is stretched, the L-shaped channel 751 communicates the first channel 711 and the second channel 741, and the oil liquid in the oil outlet pipe 42 is sprayed from the liquid outlet 721 to the gauge corner through the second channel 741, the L-shaped channel 751 and the first channel 711; after the oiling is completed, the first spring 65 and the second spring 66 drive the oil injector 7 to reset, the return force of the third spring 77 pushes the connecting rod 76 to drive the valve core 75 to reset, so that the first channel 711 and the second channel 741 are staggered, and the liquid outlet 721 stops discharging oil.

[0022] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the head 72 is provided with an arc-shaped abutting surface 722; in this embodiment, when the head 72 is provided with an arc-shaped abutting surface 722, the contact surface between the head 72 and the gauge corner is smaller, and the oiling effect is better.

[0023] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways of substitution, but will not deviate from the scope defined by the spirit of the present invention.

Claims

1. A special oiling tool for rail head gauge angle, characterized by: The invention comprises a vehicle frame (1), a front roller (2) and a rear roller (3) rotatably connected to the bottom of the vehicle frame (1), a pump body (4) and an oil storage tank (5) fixed on the vehicle frame (1), a fixing frame (6) fixed below the vehicle frame (1), and an oil spray head (7) installed on the fixing frame (6); an oil inlet of the pump body (4) and the oil storage tank (5) are connected via an oil inlet pipe, an oil outlet of the pump body (4) and the oil spray head (7) are connected via an oil outlet pipe (42), and a driving end of the pump body (4) and the rear roller (3) are connected via a transmission structure.

2. A rail head gauge angle special oiling tool according to claim 1, characterized in that: The rear roller (3) is rotatably connected to the bottom of the vehicle frame (1) via a rotating shaft (31); a driving shaft (41) is provided at the driving end of the pump body (4); the transmission structure comprises a driving gear (81) fixed on the rotating shaft (31) and a driven gear (82) fixed on the driving shaft (41); the driving gear (81) and the driven gear (82) are connected via a chain (83).

3. The rail head gauge angle special oiling tool according to claim 1, characterized in that: The fixing frame (6) is fixed with a back plate (61), two slide seats (62) are symmetrically fixed on the back plate (61), two slide bars (63) are slidably connected to the two slide seats (62), the oil spray head (7) is fixed to one end of the slide bar (63), the other end of the slide bar (63) is fixed to a fixed head (64), the slide bar (63) is sleeved with a spring 1 (65) and a spring 2 (66), the two ends of the spring 1 (65) are respectively connected to the left slide seat (62) and the oil spray head (7), and the starting end and the end of the spring 2 (66) are respectively connected to the right slide seat (62) and the fixed head (64).

4. A rail head gauge angle special oiling tool according to claim 3, characterized in that: The oil injection head (7) comprises a seat body (71), a head portion (72) fixed to one end of the seat body (71), a tail portion (73) movably arranged at the other end of the seat body (71), and a connecting portion (74) fixed to one side of the seat body (71); the head portion (72) is provided with a liquid outlet (721); a channel 1 (711) connected to the liquid outlet (721) is provided in the seat body (71); a channel 2 (741) is provided in the connecting portion (74); one end of the oil outlet pipe (42) is connected to the channel 2 (741); a valve core (75) is slidably connected to the channel 1 (711); and the valve core (75) is provided in a slidable manner. The valve body (75) is connected to the tail portion (73) via a connecting rod (76), the connecting rod (76) is slidably connected to the seat body (71), a spring (77) is connected to the connecting rod (76), two ends of the spring (77) are connected to the seat body (71) and the valve core (75), an L-shaped channel (751) connecting the channel (711) and the channel (741) is provided in the valve core (75), when the spring (65) and the spring (66) are in a compressed state, the spring (77) is stretched, and the L-shaped channel (751) connects the channel (711) and the channel (741).

5. The rail head gauge angle special oiling tool according to claim 4, characterized in that: The head (72) is provided with an arc-shaped abutment surface (722).

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