Track link of track traffic belt

Abstract

The utility model belongs to the technical field of mechanical equipment, and particularly relates to a track traffic belt caterpillar track section which comprises a first caterpillar track section, a pin shaft and a second caterpillar track section. The first caterpillar track section and the second caterpillar track section are connected end to end through a pin shaft; a bearing bush ring is fixedly connected to the middle, close to the second caterpillar track section, of the first caterpillar track section. A pair of bearing bush rings are symmetrically arranged in the middle of the first caterpillar track section; the pin shaft is in running fit with the bearing bush ring; a lubricating assembly is arranged in the middle of the pin shaft; the pin shaft is provided with a transmission assembly through a lubricating assembly; according to the step, the first caterpillar track section, the pin shaft, the bearing bush ring, the second caterpillar track section, the transmission assembly and the lubricating assembly are arranged to form the caterpillar track section structure with the lubricating structure, the function of lubricating the rotating part of the caterpillar track section during transmission of the caterpillar track section is achieved, the situation that abnormal abrasion occurs due to insufficient lubrication caused by long-time work of the caterpillar track section is avoided, and the service life of the caterpillar track section is prolonged. The lubricating capacity of the device is improved, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical equipment technical field, specifically is a rail transit with chain track joint. BACKGROUND

[0002] Chain track joint is the part used for connecting in engineering machinery track, and is used for connecting track vehicle track in rail transit.

[0003] Chain track joint usually extends along the longitudinal direction base body, has first end section and second end section, these end sections are offset relative to each other in the transverse direction perpendicular to the longitudinal direction, and respectively has first hole and second hole, first hole receives the end section of first pin shaft in the way of clearance fit, and second hole receives the middle section section of second pin shaft in the way of interference fit.

[0004] In the existing rail transit chain track joint technology, chain track joint works for a long time, and abnormal wear caused by heat generation of rotating part and insufficient lubrication affects the service life of chain track joint.

[0005] Therefore, the utility model provides a rail transit with chain track joint. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiency of prior art, at least one technical problem proposed in the background art is solved.

[0007] The utility model solves the technical scheme that its technical matters are adopted: a rail transit with chain track joint, including first chain track joint, pin shaft and second chain track joint, first chain track joint and second chain track joint are connected head to tail through pin shaft, the middle part of first chain track joint close to second chain track joint is fixedly connected with bearing ring, bearing ring is set in pair in the middle part of first chain track joint, and symmetrically set, pin shaft and bearing ring rotate together, the middle part of pin shaft is equipped with lubricating assembly, pin shaft is equipped with transmission assembly through lubricating assembly, this step is through the setting of first chain track joint, pin shaft, bearing ring, second chain track joint, transmission assembly and lubricating assembly, and the chain track joint structure with lubricating structure is formed, the function that the rotating part of chain track joint is lubricated when transmission is realized, the situation that abnormal wear appears due to insufficient lubrication caused by long time work of chain track joint is solved, the lubricating capacity of device is improved, and the service life of device is improved.

[0008] Preferably, the lubricating assembly comprises a cylinder, a screw rod, a sliding plug and an oil channel; the cylinder is fixedly connected to the middle part of the pin shaft; the screw rod is rotatably connected to the middle part of the cylinder; the sliding plug is slidably connected to the inside of the cylinder; the sliding plug is matched with the screw rod and the screw nut; the oil channel is arranged in the middle part of the first chain track segment, the pin shaft and the bearing ring; the middle part of the oil channel is provided with a sealing structure; this step forms a lubricating structure by arranging the cylinder, the screw rod, the sliding plug and the oil channel, realizes the function of extruding lubricating liquid between the first chain track segment and the second chain track segment, solves the problem of abnormal wear caused by insufficient lubrication between the first chain track segment and the second chain track segment, improves the smoothness of the rotation between the first chain track segment and the second chain track segment, reduces the problem of abnormal wear caused by insufficient lubrication between the first chain track segment and the second chain track segment, and improves the service life of the first chain track segment and the second chain track segment.

[0009] Preferably, the transmission assembly comprises a swing rod, a connecting rod, a first ratchet disc, a second ratchet disc and a spring; the swing rod is rotatably connected to the end of the cylinder; the connecting rod is fixedly connected to the side wall of the swing rod close to the cylinder; the end of the swing rod away from the cylinder is clamped to the side wall of the first chain track segment; the first ratchet disc is fixedly connected to the end of the connecting rod away from the swing rod; the second ratchet disc is fixedly connected to the end of the screw rod close to the swing rod; the spring is sleeved on the outer side wall of the connecting rod; this step forms a transmission structure by arranging the swing rod, the connecting rod, the first ratchet disc, the second ratchet disc and the spring, realizes the function of driving the screw rod to rotate in one direction, improves the convenience of the rotation of the screw rod, and increases the smoothness of the extrusion of the lubricating liquid.

[0010] Preferably, the sealing structure comprises a fixed ring and a valve; the fixed ring is fixedly connected to the inside of the pin shaft close to the oil channel; the valve is fixedly connected to the inner side wall of the fixed ring; a plurality of groups of the valve are arranged on the inner side wall of the fixed ring; this step forms a sealing structure by arranging the fixed ring and the valve, realizes the function of one-way delivery of the lubricating liquid, reduces the backflow of the lubricating liquid, and maintains the cleanliness of the lubricating liquid in the cylinder.

[0011] Preferably, the inner side wall of the cylinder away from the second ratchet disc is fixedly connected to a limiting block; a plurality of groups of the limiting block are arranged on the inner side wall of the cylinder and are symmetrically arranged; this step forms a limiting structure by arranging the guide strip, realizes the function of limiting the sliding plug, and reduces the situation that the sliding plug passes the oil channel.

[0012] Preferably, the inner side wall of the cylinder is fixedly connected to the guide strip; the guide strip is slidably matched with the sliding plug; this step forms a guide structure by arranging the guide strip, realizes the function of guiding the sliding plug, and improves the convenience of the movement of the sliding plug in the cylinder.

[0013] Preferably, the pin shaft is made of 30CrMnTi carburizing steel; has higher structural strength and good wear resistance, improves the service life of the pin shaft, and improves the accuracy of the chain track joint transmission.

[0014] The rail transit with the chain track joint has the following beneficial effects:

[0015] 1. The rail transit with the chain track joint, through the setting of the first chain track joint, the pin shaft, the bearing bush ring, the second chain track joint, the transmission assembly and the lubricating assembly, the chain track joint structure with the lubricating structure is formed, the function of lubricating the rotating part of the chain track joint during transmission is realized, the situation that abnormal wear occurs due to insufficient lubrication caused by long-time work of the chain track joint is solved, the lubricating capacity of the device is improved, and the service life of the device is improved.

[0016] 2. The rail transit with the chain track joint, through the setting of the oil cylinder, the lead screw, the sliding plug and the oil channel, the lubricating structure is formed, the function of extruding the lubricating liquid between the first chain track joint and the second chain track joint is realized, the situation that abnormal wear is caused by insufficient lubrication between the first chain track joint and the second chain track joint is solved, the smoothness during rotation between the first chain track joint and the second chain track joint is improved, the situation that abnormal wear is caused by insufficient lubrication between the first chain track joint and the second chain track joint is reduced, and the service life of the first chain track joint and the second chain track joint is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The rail transit with the chain track joint will be further described below in combination with the drawings.

[0018] Figure 1 is a perspective view of the rail transit with the chain track joint;

[0019] Figure 2 is a structure schematic view of the sliding plug cooperating with the oil cylinder in the rail transit with the chain track joint;

[0020] Figure 3 is a structure schematic view of the valve cooperating with the oil channel in the rail transit with the chain track joint;

[0021] Figure 4 is a structure schematic view of the swing rod cooperating with the lead screw in the rail transit with the chain track joint.

[0022] In the drawings: 1, first chain track joint; 11, pin shaft; 12, bearing bush ring; 13, oil cylinder; 14, lead screw; 15, sliding plug; 16, oil channel; 17, second chain track joint; 2, swing rod; 21, connecting rod; 22, first ratchet disc; 23, second ratchet disc; 24, spring; 3, fixed ring; 31, valve; 4, limiting block; 5, guide bar. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation characteristics, achieve purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figures 1 to 4 shown, the utility model discloses a track traffic belt chain rail joint, including first chain rail joint 1, pin shaft 11 and second chain rail joint 17, first chain rail joint 1 and second chain rail joint 17 are connected head to tail through pin shaft 11, the middle part fixed connection of first chain rail joint 1 is close to second chain rail joint 17 has the bearing bush ring 12, the bearing bush ring 12 is set in a pair in the middle part of first chain rail joint 1, and symmetrically sets up, pin shaft 11 and bearing bush ring 12 rotate and cooperate, the middle part of pin shaft 11 is equipped with lubricating assembly, pin shaft 11 is equipped with transmission assembly through lubricating assembly, in working, first chain rail joint 1 and second chain rail joint 17 are connected head to tail, are connected through pin shaft 11, and a plurality of first chain rail joint 1 and second chain rail joint 17 are connected and constitute track traffic belt chain rail joint structure, when the device is connected transmission, first chain rail joint 1 and second chain rail joint 17 will occur mutually bending close situation, when mutually bending transmission assembly and lubricating assembly inject lubricating oil to the rotary joint of first chain rail joint 1 and second chain rail joint 17, make first chain rail joint 1 and second chain rail joint 17 transmission smoothness increase, this step is through the setting of first chain rail joint 1, pin shaft 11, bearing bush ring 12, second chain rail joint 17, transmission assembly and lubricating assembly, and the chain rail joint structure with lubricating structure is formed, realizes the function of lubricating the rotating part of chain rail joint when transmission, solves the situation that chain rail joint long time work leads to lubrication deficiency and then appears abnormal wear, improves the lubricating capacity of device, improves the service life of device.

[0025] As Figure 2 and Figure 3As shown, the lubricating assembly comprises the oil cylinder 13, the screw rod 14, the sliding plug 15 and the oil channel 16; the oil cylinder 13 is fixedly connected in the middle of the pin shaft 11; the screw rod 14 is rotatably connected in the middle of the oil cylinder 13; the sliding plug 15 is slidably connected inside the oil cylinder 13; the sliding plug 15 cooperates with the screw rod 14; the oil channel 16 is arranged in the middle of the first chain track segment 1, the pin shaft 11 and the bearing bush ring 12; the middle of the oil channel 16 is provided with a sealing structure; in operation, the oil cylinder 13 is filled with lubricating liquid, when the first chain track segment 1 and the second chain track segment 17 are bent and rotated, the transmission assembly drives the screw rod 14 to rotate, the screw rod 14 drives the sliding plug 15 to move inside the oil cylinder 13, the sliding plug 15 extrudes the lubricating liquid in the oil cylinder 13 and extrudes it from the oil channel 16, the lubricating liquid flows into the rotating area of the first chain track segment 1 and the second chain track segment 17, and lubricates the first chain track segment 1 and the second chain track segment 17; through the arrangement of the oil cylinder 13, the screw rod 14, the sliding plug 15 and the oil channel 16, a lubricating structure is formed, the function of extruding lubricating liquid between the first chain track segment 1 and the second chain track segment 17 is realized, the problem of abnormal wear caused by insufficient lubrication between the first chain track segment 1 and the second chain track segment 17 is solved, the smoothness of the rotation between the first chain track segment 1 and the second chain track segment 17 is improved, the problem of abnormal wear caused by insufficient lubrication between the first chain track segment 1 and the second chain track segment 17 is reduced, and the service life of the first chain track segment 1 and the second chain track segment 17 is improved.

[0026] As shown, Figures 1 to 4 The transmission assembly comprises the swing rod 2, the connecting rod 21, the first ratchet disc 22, the second ratchet disc 23 and the spring 24; the swing rod 2 is rotatably connected at the end of the oil cylinder 13; the connecting rod 21 is fixedly connected at the side wall of the swing rod 2 close to the oil cylinder 13; the end of the swing rod 2 away from the oil cylinder 13 is clamped at the side wall of the first chain track segment 1; the first ratchet disc 22 is fixedly connected at the end of the connecting rod 21 away from the swing rod 2; the second ratchet disc 23 is fixedly connected at the end of the screw rod 14 close to the swing rod 2; the spring 24 is sleeved on the outer side wall of the connecting rod 21; in operation, the end of the swing rod 2 is clamped at the side wall of the first chain track segment 1, when the first chain track segment 1 and the second chain track segment 17 rotate relative to each other, the swing rod 2 drives the connecting rod 21 and the first ratchet disc 22 to rotate, the first ratchet disc 22 drives the second ratchet disc 23 to rotate, the second ratchet disc 23 drives the screw rod 14 to rotate, when the first chain track segment 1 and the second chain track segment 17 are reset, the swing rod 2 reverses, driving the first ratchet disc 22 and the connecting rod 21 to reverse, the spring 24 is compressed, and the first ratchet disc 22 and the second ratchet disc 23 slide relative to each other; through the arrangement of the swing rod 2, the connecting rod 21, the first ratchet disc 22, the second ratchet disc 23 and the spring 24, a transmission structure is formed, the function of driving the screw rod 14 to rotate in one direction is realized, the convenience of the rotation of the screw rod 14 is improved, and the smoothness of the extrusion of the lubricating liquid is improved.

[0027] As shown, Figure 3As shown, the sealing structure includes a fixed ring 3 and a valve 31. The fixed ring 3 is fixedly connected to the inside of the pin 11 near the oil passage 16. The valve 31 is fixedly connected to the inner wall of the fixed ring 3. Multiple sets of valves 31 are arranged on the inner wall of the fixed ring 3. During operation, the fixed ring 3 and the valve 31 form a sealing structure. When the sliding plug 15 squeezes the lubricating fluid in the oil cylinder 13, the lubricating fluid squeezes the valve 31, pushing the valve 31 open and allowing the lubricating fluid to enter the oil passage 16. When the sliding plug 15 stops, the valve 31 returns to its original position, isolating the oil passage 16 and the oil cylinder 13. This step, through the arrangement of the fixed ring 3 and the valve 31, forms a sealing structure, realizing the function of unidirectional lubricating fluid delivery, reducing the backflow of lubricating fluid, and maintaining the cleanliness of the lubricating fluid in the oil cylinder 13.

[0028] like Figure 3 As shown, a limiting block 4 is fixedly connected to the inner wall of the hydraulic cylinder 13 away from the second ratchet disc 23; multiple sets of limiting blocks 4 are set on the inner wall of the hydraulic cylinder 13 and are arranged symmetrically; during operation, when the sliding plug 15 moves in the hydraulic cylinder 13, the limiting block 4 limits the sliding plug 15; this step, through the setting of the guide strip 5, forms a limiting structure, realizing the function of limiting the sliding plug 15 and reducing the situation where the sliding plug 15 crosses the oil passage 16.

[0029] like Figure 2 As shown, the inner wall of the hydraulic cylinder 13 is fixedly connected to the guide bar 5; the guide bar 5 is slidably engaged with the sliding plug 15; during operation, when the sliding plug 15 moves inside the hydraulic cylinder 13, the guide bar 5 guides the sliding plug 15; this step, through the setting of the guide bar 5, forms a guide structure, realizing the function of guiding the sliding plug 15, and improving the convenience of the sliding plug 15 moving inside the hydraulic cylinder 13.

[0030] like Figure 2 As shown, the pin 11 is made of 30CrMnTi carburized steel. During operation, the pin 11 is made of 30CrMnTi carburized steel, which has high structural strength and good wear resistance, thus improving the service life of the pin 11 and improving the accuracy of the track link transmission.

[0031] In work, the first chain track link 1 and the second chain track link 17 are connected by the pin shaft 11, and a plurality of groups of the first chain track link 1 and the second chain track link 17 are connected to form a track traffic belt chain track link structure; when the device is connected and driven, the first chain track link 1 and the second chain track link 17 will be bent and close to each other, the transmission assembly and the lubricating assembly inject lubricating oil into the rotating connection of the first chain track link 1 and the second chain track link 17, and the lubricating oil increases the smoothness of the first chain track link 1 and the second chain track link 17 during transmission; the oil cylinder 13 is injected with lubricating liquid, the transmission assembly drives the screw rod 14 to rotate when the first chain track link 1 and the second chain track link 17 are bent and rotated, the screw rod 14 drives the sliding plug 15 to move in the oil cylinder 13, the sliding plug 15 extrudes and extrudes the lubricating liquid in the oil cylinder 13 from the oil channel 16, the lubricating liquid flows into the rotating area of the first chain track link 1 and the second chain track link 17, and the first chain track link 1 and the second chain track link 17 are lubricated; the swing rod 2 is clamped at the side wall of the first chain track link 1, the swing rod 2 drives the connecting rod 21 and the first ratchet disc 22 to rotate when the first chain track link 1 and the second chain track link 17 are rotated, the first ratchet disc 22 drives the second ratchet disc 23 to rotate, the second ratchet disc 23 drives the screw rod 14 to rotate, the swing rod 2 is reversed when the first chain track link 1 and the second chain track link 17 are reset, the first ratchet disc 22 and the connecting rod 21 are reversed, the spring 24 is compressed, and the first ratchet disc 22 and the second ratchet disc 23 slide relative to each other; the fixed ring 3 and the valve 31 form a sealing structure, the lubricating liquid extrudes the valve 31 when the sliding plug 15 extrudes the lubricating liquid in the oil cylinder 13, the valve 31 is opened, the lubricating liquid enters the oil channel 16, the valve 31 is reset when the sliding plug 15 stops, and the oil channel 16 and the oil cylinder 13 are isolated; the limiting block 4 limits the sliding plug 15 when the sliding plug 15 moves in the oil cylinder 13; the sliding plug 15 is guided by the guide strip 5 when moving in the oil cylinder 13; the pin shaft 11 is made of 30CrMnTi carburizing steel, has high structural strength and good wear resistance, improves the service life of the pin shaft 11, and improves the accuracy of the chain track link transmission.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A track link for rail transit, comprising a first track link (1), a pin (11), and a second track link (17); characterized in that: The first track link (1) and the second track link (17) are connected end to end by a pin (11); a bearing ring (12) is fixedly connected to the middle of the first track link (1) near the second track link (17); a pair of bearing rings (12) are provided in the middle of the first track link (1) and are arranged symmetrically; the pin (11) and the bearing ring (12) are rotatably engaged; a lubrication assembly is provided in the middle of the pin (11); and a transmission assembly is provided on the pin (11) through the lubrication assembly.

2. The rail transit track link according to claim 1, characterized in that: The lubrication assembly includes an oil cylinder (13), a lead screw (14), a sliding plug (15), and an oil passage (16); the oil cylinder (13) is fixedly connected to the middle of the pin (11); the lead screw (14) is rotatably connected to the middle of the oil cylinder (13); the sliding plug (15) is slidably connected inside the oil cylinder (13); the sliding plug (15) cooperates with the lead screw (14) and the lead screw nut pair; the oil passage (16) is opened in the middle of the first track link (1), the pin (11), and the bearing ring (12); the middle of the oil passage (16) is provided with a sealing structure.

3. A rail transit track link according to claim 2, characterized in that: The transmission assembly includes a swing rod (2), a connecting rod (21), a first ratchet disc (22), a second ratchet disc (23), and a spring (24); the swing rod (2) is rotatably connected to the end of the cylinder (13); the connecting rod (21) is fixedly connected to the side wall of the swing rod (2) near the cylinder (13); the end of the swing rod (2) away from the cylinder (13) is engaged with the side wall of the first track link (1); the first ratchet disc (22) is fixedly connected to the end of the connecting rod (21) away from the swing rod (2); the second ratchet disc (23) is fixedly connected to the end of the lead screw (14) near the swing rod (2); and the spring (24) is sleeved on the outer side wall of the connecting rod (21).

4. A rail transit track link according to claim 2, characterized in that: The sealing structure includes a fixed ring (3) and a valve (31); the fixed ring (3) is fixedly connected to the inside of the pin (11) near the oil passage (16); the valve (31) is fixedly connected to the inner wall of the fixed ring (3); multiple sets of valves (31) are provided on the inner wall of the fixed ring (3).

5. A rail transit track link according to claim 3, characterized in that: The oil cylinder (13) is fixedly connected to the inner wall away from the second ratchet disc (23) by a limiting block (4); multiple sets of the limiting blocks (4) are provided on the inner wall of the oil cylinder (13) and are arranged symmetrically.

6. A rail transit track link according to claim 2, characterized in that: The inner wall of the cylinder (13) is fixedly connected to the guide bar (5); the guide bar (5) is in sliding engagement with the sliding plug (15).

7. A rail transit track link according to claim 1, characterized in that: The pin (11) is made of 30CrMnTi carburized steel.

Images