Caterpillar track section

Abstract

The utility model relates to a track link section which comprises a connecting piece body, shaft holes are formed in the two sides of the connecting piece body, a mounting hole is formed between the two shaft holes, a locking hole is formed in the lower portion of the mounting hole, and a lubricating structure is arranged in the connecting piece body. In the actual caterpillar track section using process, after engineering machinery runs and is used for a long time, due to long-time friction between the caterpillar track section and the pin shaft, the temperature rises, then the temperature is transmitted to the connecting piece body, the expansion piece is heated through the connecting piece body, the expansion piece is heated to expand, and then the expansion piece pushes the separation sliding pushing piece; the partition sliding pushing piece extrudes lubricating oil on the upper portion of the containing cavity, and the lubricating oil flows into the shaft hole through the flow channel and lubricates the shaft hole and the pin shaft, so that friction between the caterpillar track section and the pin shaft can be reduced, serious abrasion between the inner surface of the shaft hole of the caterpillar track section and the outer surface of the pin shaft is prevented, and the service life of the caterpillar track section is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of chain track sections, in particular to a chain track section. Background Art

[0002] The track link generally refers to the part used for connecting the crawler tracks of construction machinery such as excavators and bulldozers and military machinery such as tanks. It is a key component in the crawler track assembly. The track link is the part used for connecting the crawler tracks of construction machinery.

[0003] The track link is a connecting part and needs to bear a heavy weight. The existing track link has a simple structure. After long-term use, the friction between the track link and the pin is serious, and the temperature rises, which often leads to serious wear of the inner surface of the axis hole of the track link and the outer surface of the pin, resulting in increased friction between the track link and the pin, affecting the transmission between the track link and the pin, and increasing the energy consumption of the construction machinery. Therefore, after the track link and the pin have been used for a period of time, they need to be lubricated separately, and those that are severely worn need to be replaced. The service life of traditional track links is short. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In order to solve the above problems in the prior art, the utility model provides a track link, which can reduce the friction between the track link and the pin shaft, prevent the inner surface of the shaft hole of the track link and the outer surface of the pin shaft from being seriously worn, and extend the service life of the track link.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] A chain track link comprises a connecting member body, wherein both sides of the connecting member body are provided with shaft holes, a mounting hole is provided between the two shaft holes, a locking hole is provided at the lower part of the mounting hole, and a lubrication structure is provided inside the connecting member body;

[0009] The lubrication structure includes an expansion member, a partition sliding member and lubricating oil. A accommodating cavity is arranged inside the connecting member body. The partition sliding member can be slidably connected inside the accommodating cavity. The expansion member is arranged at the lower part of the partition sliding member, and the lubricating oil is arranged at the upper part of the partition sliding member. Flow channels are arranged on both sides of the accommodating cavity, and the accommodating cavity is connected with one of the shaft holes through the flow channels.

[0010] Furthermore, it also includes an oil sealing ring, and an oil sealing ring is respectively arranged on both sides of the inside of the shaft hole.

[0011] Furthermore, an oil outlet hole is provided on the inner surface of the shaft hole, one end of the flow channel is connected to the oil outlet hole, and the other end of the flow channel is connected to the accommodating cavity.

[0012] Furthermore, an oil supply hole is provided on the outer surface of the connector body, and the oil supply hole is communicated with the upper portion of the accommodating cavity.

[0013] Furthermore, it also includes a sealing plug, which is connected to the oil replenishing hole.

[0014] Furthermore, a needle hole is provided on the sealing plug.

[0015] Furthermore, the expansion member is made of paraffin.

[0016] Furthermore, the flow channels are filled with the lubricating oil.

[0017] (III) Beneficial effects

[0018] The beneficial effect of the utility model is as follows: during the actual use of the chain track segment, when the engineering machinery is in operation for a long time, the temperature rises due to the long-term friction between the chain track segment and the pin shaft, and then the temperature is transferred to the connecting part body, and the expansion part is heated by the connecting part body, so that the expansion part expands due to the heat, and then the expansion part pushes the partition sliding member, so that the partition sliding member squeezes the lubricating oil on the upper part of the accommodating cavity, and the lubricating oil flows into the shaft hole through the flow channel, and lubricates the shaft hole and the pin shaft, thereby reducing the friction between the chain track segment and the pin shaft, preventing the inner surface of the shaft hole of the chain track segment and the outer surface of the pin shaft from severe wear, and extending the service life of the chain track segment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the chain track section of an embodiment of the utility model;

[0020] Figure 2 It is a front view of the overall structure of the chain track section of an embodiment of the utility model;

[0021] Figure 3 It is a cross-sectional view of the overall structure of the chain track section of an embodiment of the utility model;

[0022] [Description of Reference Numerals]

[0023] Connector body 1, mounting hole 2, shaft hole 3, oil sealing ring 4, locking hole 5, sealing plug 6, flow channel 7, lubricating oil 8, partition sliding member 9, expansion member 10, accommodating chamber 11. DETAILED DESCRIPTION

[0024] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0025] Please refer to Figures 1 to 3 As shown, a chain track link of the utility model comprises a connector body 1, both sides of the connector body 1 are provided with shaft holes 3, a mounting hole 2 is provided between the two shaft holes 3, a locking hole 5 is provided at the lower part of the mounting hole 2, and a lubrication structure is provided inside the connector body 1;

[0026] The lubrication structure includes an expansion member 10, a partition sliding member 9 and lubricating oil 8. A accommodating cavity 11 is arranged inside the connecting member body 1. The partition sliding member 9 can be slidably connected inside the accommodating cavity 11. The expansion member 10 is arranged at the lower part of the partition sliding member 9, and the lubricating oil 8 is arranged at the upper part of the partition sliding member 9. Flow channels 7 are arranged on both sides of the accommodating cavity 11, and the accommodating cavity 11 is connected to one of the shaft holes 3 through the flow channels 7.

[0027] The working principle of the utility model is as follows: during the actual use of the chain track segment, when the engineering machinery is in operation for a long time, the temperature rises due to the long-term friction between the chain track segment and the pin shaft, and then the temperature is transferred to the connecting member body 1, and the expansion member 10 is heated by the connecting member body 1, so that the expansion member 10 expands due to the heat, and then the expansion member 10 pushes the partition sliding member 9, so that the partition sliding member 9 squeezes the lubricating oil 8 on the upper part of the accommodating cavity 11, and the lubricating oil 8 flows into the shaft hole 3 through the flow channel 7, and lubricates the shaft hole 3 and the pin shaft.

[0028] Furthermore, it also includes an oil sealing ring 4, and an oil sealing ring 4 is respectively arranged on both sides of the inside of the shaft hole 3.

[0029] It can be seen from the above description that it is beneficial to preserve the lubricating oil 8 through the oil sealing ring 4 and reduce the loss of the lubricating oil 8 .

[0030] Furthermore, an oil outlet hole is provided on the inner surface of the shaft hole 3 , one end of the flow channel 7 is connected to the oil outlet hole, and the other end of the flow channel 7 is connected to the accommodating cavity 11 .

[0031] It can be seen from the above description that it is helpful to facilitate the lubricating oil 8 in the accommodating cavity 11 to flow into the shaft hole 3 through the flow channel 7.

[0032] Furthermore, an oil supply hole is provided on the outer surface of the connector body 1 , and the oil supply hole is communicated with the upper portion of the accommodating cavity 11 .

[0033] It can be seen from the above description that when the lubricating oil 8 in the accommodating cavity 11 is short of oil, the oil can be replenished into the accommodating cavity 11 through the oil replenishing hole.

[0034] Furthermore, it also includes a sealing plug 6, and the sealing plug 6 is connected to the oil replenishing hole.

[0035] From the above description, it can be seen that it is beneficial to seal the oil supply hole through the sealing plug 6.

[0036] Furthermore, a needle hole is provided on the sealing plug 6 .

[0037] It can be seen from the above description that it is convenient to insert the syringe into the needle eye and to refill the accommodating cavity 11 with oil through the syringe, thereby facilitating the oil refilling operation.

[0038] Furthermore, the expansion member 10 is made of paraffin.

[0039] As can be seen from the above description, it is beneficial for the paraffin to expand and push the separation sliding member 9 after being heated.

[0040] Furthermore, the flow channels 7 are filled with the lubricating oil 8 .

[0041] It can be seen from the above description that it is helpful to facilitate the lubricating oil 8 to enter the shaft hole 3.

[0042] Embodiment 1

[0043] Please refer to Figures 1 to 3 A chain track link comprises a connector body 1, both sides of the connector body 1 are provided with shaft holes 3, a mounting hole 2 is provided between the two shaft holes 3, a locking hole 5 is provided at the lower part of the mounting hole 2, and a lubrication structure is provided inside the connector body 1;

[0044] The lubrication structure includes an expansion member 10, a partition sliding member 9 and lubricating oil 8. The connector body 1 is provided with a receiving chamber 11 inside. The partition sliding member 9 can be slidably connected inside the receiving chamber 11. The expansion member 10 is provided at the lower part of the partition sliding member 9. The lubricating oil 8 is provided at the upper part of the partition sliding member 9. The receiving chamber 11 is provided with flow channels 7 on both sides. The receiving chamber 11 is connected with one of the shaft holes 3 through the flow channels 7.

[0045] The inner surface of the accommodating cavity 11 is provided with a slide groove, and the partitioning sliding member 9 is slidably connected to the slide groove;

[0046] It also includes an oil sealing ring 4, and an oil sealing ring 4 is respectively arranged on both sides of the interior of the shaft hole 3;

[0047] The oil sealing ring 4 is made of rubber material, which has good toughness and abrasion resistance;

[0048] The inner surface of the shaft hole 3 is provided with an oil outlet hole, one end of the flow channel 7 is connected to the oil outlet hole, and the other end of the flow channel 7 is connected to the accommodating cavity 11;

[0049] The outer surface of the connector body 1 is provided with an oil filling hole, and the oil filling hole is connected with the upper part of the accommodating cavity 11;

[0050] It also includes a sealing plug 6, which is connected to the oil replenishing hole;

[0051] The sealing plug 6 is provided with a pinhole;

[0052] The expansion member 10 is made of paraffin;

[0053] The flow channels 7 are filled with the lubricating oil 8 .

[0054] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description and the drawings, and the specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0055] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A track link, characterized in that: It comprises a connector body, both sides of the connector body are provided with shaft holes, a mounting hole is provided between the two shaft holes, a locking hole is provided at the lower part of the mounting hole, and a lubrication structure is provided inside the connector body; The lubrication structure includes an expansion member, a partition sliding member and lubricating oil. A accommodating cavity is arranged inside the connecting member body. The partition sliding member can be slidably connected inside the accommodating cavity. The expansion member is arranged at the lower part of the partition sliding member, and the lubricating oil is arranged at the upper part of the partition sliding member. Flow channels are arranged on both sides of the accommodating cavity, and the accommodating cavity is connected with one of the shaft holes through the flow channels.

2. The track link according to claim 1, characterized in that: It also includes an oil sealing ring, and one of the oil sealing rings is respectively arranged on both sides of the interior of the shaft hole.

3. The track link according to claim 1, characterized in that: An oil outlet hole is arranged on the inner surface of the shaft hole, one end of the flow channel is connected to the oil outlet hole, and the other end of the flow channel is connected to the accommodating cavity.

4. The track link according to claim 1, characterized in that: The outer surface of the connector body is provided with an oil replenishing hole, and the oil replenishing hole is communicated with the upper part of the accommodating cavity.

5. The track link according to claim 4, characterized in that: It also includes a sealing plug, which is connected to the oil replenishing hole.

6. The track link according to claim 5, characterized in that: The sealing plug is provided with a needle hole.

7. The track link according to claim 1, characterized in that: The expansion member is made of paraffin.

8. The track link according to claim 1, characterized in that: The flow channels are filled with the lubricating oil.

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