Coal mine well slime water silt remover and conveying chain thereof

Abstract

The utility model relates to the technical field of coal mine underground slime water silt removing equipment, in particular to a coal mine underground slime water silt remover and a conveying chain thereof. The utility model provides a conveying chain of an underground coal mine slime water silt remover. The conveying chain comprises a plurality of chain links which are sequentially connected and are in an annular shape. Each chain link comprises a first chain plate, a second chain plate, a pin shaft and a shaft sleeve; the first chain plate and the second chain plate are oppositely arranged, the two ends of the first chain plate and the second chain plate are connected through the pin shaft, and the pin shaft is sleeved with the shaft sleeve. The thickness of the first chain plate is L1, and the thickness of the second chain plate is L2; wherein L1 is not less than 6mm and not more than 8mm; and 6 mm < = L2 < = 8 mm. The thickness of the first chain plate is designed to be 6-8 mm, and the thickness of the second chain plate is designed to be 6-8 mm, so that the service life of the conveying chain of the underground coal mine slime water silt remover is obviously prolonged, the maintenance interval of the conveying chain of the underground coal mine slime water silt remover is increased, and the production efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine underground coal slurry water dredging equipment technical field, concretely relates to a coal mine underground coal slurry water dredging machine and its conveying chain. BACKGROUND

[0002] The motor of the coal mine underground coal slurry water dredging machine needs to drive the scraper to move in the groove body by the chain to scrape the coal slurry in the groove body to the discharge port. A guide way is arranged in the groove body to guide the movement of the chain in the groove body. The traditional chain of the coal mine underground coal slurry water dredging machine adopts a round link chain, but the round link chain has poor wear resistance when sliding in the guide way, and has small tension and is easy to break, resulting in low service life. Some coal mine underground coal slurry water dredging machines using chain plate chains have the problems of poor wear resistance of the chain plates and short service life of the chain plates. SUMMARY

[0003] (I) The problem to be solved by the utility model is that the chain of the existing coal mine underground coal slurry water dredging machine has poor wear resistance and short service life.

[0004] (II) TECHNICAL SOLUTION

[0005] To solve the above technical problems, the utility model provides a conveying chain of a coal mine underground coal slurry water dredging machine in one aspect of the embodiment, which comprises a plurality of chain links connected in sequence and in a ring shape.

[0006] The first chain plate and the second chain plate are arranged oppositely, and the two ends of the first chain plate and the second chain plate are connected by the pin shaft, and the shaft sleeve is sleeved on the pin shaft.

[0007] The thickness of the first chain plate is L1, and the thickness of the second chain plate is L2; wherein 6mm≤L1≤8mm; 6mm≤L2≤8mm.

[0008] Further, the thickness of the first chain plate and the second chain plate is the same.

[0009] Further, the surface of the first chain plate is provided with a wear-resistant layer.

[0010] Further, the surface of the second chain plate is provided with a wear-resistant layer.

[0011] Further, the material of the first chain plate is 42CrMo2.

[0012] Further, the material of the second chain plate is 42CrMo2.

[0013] Further, the two ends of the first chain plate are in arc shape, and the two ends of the second chain plate are in arc shape.

[0014] The center of the pin shaft of the two ends of the first chain plate coincides with the arc center of the two ends of the first chain plate, and the center of the pin shaft of the two ends of the second chain plate coincides with the arc center of the two ends of the chain plate.

[0015] The outer edge of the one end of the bushing towards the first chain plate is flush with the outer edge of the end of the first chain plate, and the outer edge of the one end of the bushing towards the second chain plate is flush with the outer edge of the end of the second chain plate.

[0016] Further, the material of the bushing is 42CrMo2.

[0017] Further, the surface of the bushing is provided with a wear-resistant layer.

[0018] The coal mine underground coal slurry water dredging machine of the embodiment of the utility model further provides a conveying chain of the coal mine underground coal slurry water dredging machine.

[0019] The utility model discloses beneficial effects:

[0020] The utility model provides a kind of conveying chain of coal mine underground coal slurry water dredging machine, including multiple sections sequentially connected and annular chain links;The chain link includes: first chain plate, second chain plate, pin shaft and bushing;The first chain plate and the second chain plate are oppositely arranged, the two ends of the first chain plate and the second chain plate are connected by the pin shaft, and the bushing is sleeved on the pin shaft outside;The thickness of the first chain plate is L1, and the thickness of the second chain plate is L2;Wherein, 6mm≤L1≤8mm;6mm≤L2≤8mm.

[0021] By the thickness of the first chain plate is designed as 6-8mm, the thickness of the second chain plate is designed as 6-8mm, the service life of the conveying chain of coal mine underground coal slurry water dredging machine is obviously increased compared to the chain in prior art, the conveying chain of coal mine underground coal slurry water dredging machine maintenance interval increases, and production efficiency is higher. ACCURATE DRAWINGS

[0022] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0023] Figure 1 The structure diagram of the chain link of the conveying chain of the coal mine underground coal slurry water dredging machine provided by the embodiment of the utility model is shown;

[0024] Figure 2The assembling schematic view of the shaft sleeve, the first chain plate and the pin shaft is provided for the embodiment of the utility model.

[0025] Icon: 11 - first chain plate;

[0026] 12 - second chain plate;

[0027] 13 - pin shaft;

[0028] 14 - shaft sleeve. DETAILED DESCRIPTION

[0029] The technical scheme of the utility model will be described clearly and completely in combination with the embodiments, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] As Figure 1 and Figure 2 shown, the utility model discloses an underground coal mine coal slurry water dredging machine's conveying chain which provides a kind of underground coal mine coal slurry water dredging machine, including multiple sections sequentially connected and annular chain links.

[0031] The chain link includes: first chain plate 11, second chain plate 12, pin shaft 13 and shaft sleeve 14;The first chain plate 11 and the second chain plate 12 are oppositely arranged, and the two ends of the first chain plate 11 and the second chain plate 12 are connected by the pin shaft 13, and the shaft sleeve 14 is sleeved on the pin shaft 13.

[0032] The thickness of the first chain plate 11 is L1, and the thickness of the second chain plate 12 is L2;Wherein, 6mm≤L1≤8mm;6mm≤L2≤8mm.

[0033] The conveying chain of the underground coal mine coal slurry water dredging machine provided in the embodiment is used for the underground coal mine coal slurry water dredging machine. The guide way is arranged in the groove body of the underground coal mine coal slurry water dredging machine, the conveying chain of the underground coal mine coal slurry water dredging machine is slidably arranged in the guide way, and is wound on the driving sprocket and a plurality of driven sprockets of the underground coal mine coal slurry water dredging machine, and the scraper is connected on the conveying chain of the underground coal mine coal slurry water dredging machine;When using, the driving motor drives the driving sprocket to rotate, so as to drive the conveying chain of the underground coal mine coal slurry water dredging machine to slide in the guide way in the groove body, and the scraper moves in the groove body to scrape the coal slurry in the groove body to the discharge port.

[0034] In the embodiment, the conveying chain of the coal mine underground coal slurry dredging machine comprises a plurality of chain links, and all the chain links are sequentially connected to form the conveying chain of the coal mine underground coal slurry dredging machine. The chain link comprises a first chain plate 11, a second chain plate 12, a pin shaft 13 and a shaft sleeve 14. The first chain plate 11 and the second chain plate 12 are oppositely arranged, and the first chain plate 11 and the second chain plate 12 are connected by penetrating the pin shaft 13. Meanwhile, the pin shaft 13 is also used for connecting two adjacent chain links. The shaft sleeve 14 is sleeved on the pin shaft 13 and is used for protecting the pin shaft 13 to reduce wear and ensure smooth operation.

[0035] Further, in the embodiment, in order to improve the wear resistance of the conveying chain of the coal mine underground coal slurry dredging machine, the thickness of the first chain plate 11 is designed to be 6-8 mm, and the thickness of the second chain plate 12 is designed to be 6-8 mm. The thickness of the first chain plate 11 and the second chain plate 12 can be the same or different. By designing the thickness of the first chain plate 11 to be 6-8 mm and the thickness of the second chain plate 12 to be 6-8 mm, the thickness of the first chain plate 11 and the second chain plate 12 can be maximized without affecting the existing groove body of the coal mine underground coal slurry dredging machine, thereby improving the wear resistance of the first chain plate 11 and the second chain plate 12.

[0036] The conveying chain of the coal mine underground coal slurry dredging machine provided in the embodiment can significantly increase the service life of the conveying chain of the coal mine underground coal slurry dredging machine compared with the chain in the prior art, increase the maintenance interval of the conveying chain of the coal mine underground coal slurry dredging machine, and improve the production efficiency.

[0037] The conveying chain of the coal mine underground coal slurry dredging machine provided in the embodiment, as shown in Figure 1 and Figure 2 , the thickness of the first chain plate 11 and the second chain plate 12 is the same.

[0038] Preferably, in the embodiment, the thickness of the first chain plate 11 and the second chain plate 12 is the same, so that the production of the conveying chain of the coal mine underground coal slurry dredging machine can be facilitated, and the production cost can be reduced.

[0039] Of course, in the embodiment, the thickness of the chain plate on one side can be designed to be larger according to the wear condition of the conveying chain of the coal mine underground coal slurry dredging machine in use.

[0040] The conveying chain of the coal mine underground coal slurry dredging machine provided in the embodiment, as shown in Figure 1 and Figure 2 , a wear-resistant layer is arranged on the surface of the first chain plate 11.

[0041] Preferably, in the embodiment, the surface of the first chain plate 11 is provided with a wear-resistant layer to further improve the wear resistance thereof.

[0042] Optionally, in the embodiment, the wear-resistant layer can be realized by carburizing or heat treatment, or can also be realized by providing a ceramic layer on the surface of the first chain plate 11.

[0043] The utility model embodiment provides a coal mine underground coal slime water dredging machine's conveying chain, such as Figure 1 and Figure 2 As shown in the figure, the surface of the second chain plate 12 is provided with a wear-resistant layer.

[0044] Preferably, in the embodiment, the surface of the second chain plate 12 is provided with a wear-resistant layer to further improve the wear resistance thereof.

[0045] Optionally, in the embodiment, the wear-resistant layer can be realized by carburizing or heat treatment, or can also be realized by providing a ceramic layer on the surface of the second chain plate 12.

[0046] The utility model embodiment provides a coal mine underground coal slime water dredging machine's conveying chain, such as Figure 1 and Figure 2 As shown in the figure, the material of the first chain plate 11 is 42CrMo2.

[0047] Preferably, in the embodiment, the material of the first chain plate 11 is 42CrMo2, wherein 42CrMo2 has good comprehensive mechanical properties, hardenability and cutting machinability, and has strong wear resistance; by adopting 42CrMo2 to manufacture the first chain plate 11, the wear resistance of the first chain plate 11 can be further improved.

[0048] The utility model embodiment provides a coal mine underground coal slime water dredging machine's conveying chain, such as Figure 1 and Figure 2 As shown in the figure, the material of the second chain plate 12 is 42CrMo2.

[0049] Preferably, in the embodiment, the material of the second chain plate 12 is 42CrMo2, wherein 42CrMo2 has good comprehensive mechanical properties, hardenability and cutting machinability, and has strong wear resistance; by adopting 42CrMo2 to manufacture the second chain plate 12, the wear resistance of the second chain plate 12 can be further improved.

[0050] The utility model embodiment provides a coal mine underground coal slime water dredging machine's conveying chain, such as Figure 1 and Figure 2 As shown in the figure, the two ends of the first chain plate 11 are arc-shaped, and the two ends of the second chain plate 12 are arc-shaped.

[0051] The center of the pin shaft 13 at the two ends of the first chain plate 11 coincides with the arc center of the two ends of the first chain plate 11, and the center of the pin shaft 13 at the two ends of the second chain plate 12 coincides with the arc center of the two ends of the second chain plate 12.

[0052] The outer edge of the shaft sleeve 14 towards one end of the first chain plate 11 is flush with the outer edge of the end of the first chain plate 11, and the outer edge of the shaft sleeve 14 towards one end of the second chain plate 12 is flush with the outer edge of the end of the second chain plate 12.

[0053] In the embodiment, the two ends of the first chain plate 11 and the second chain plate 12 are arc-shaped, so as to reduce the jamming of the conveying chain of the coal mine underground sludge water dredging machine during use, and the conveying chain of the coal mine underground sludge water dredging machine runs more smoothly.

[0054] The conveying chain of the coal mine underground sludge water dredging machine provided by the embodiment of the utility model, as shown in Figure 1 and Figure 2 The material of the shaft sleeve 14 is 42CrMo2.

[0055] Preferably, in the embodiment, the material of the shaft sleeve 14 is 42CrMo2, wherein 42CrMo2 has good comprehensive mechanical properties, hardenability and cutting machinability, strong wear resistance, and by adopting 42CrMo2 to manufacture the shaft sleeve 14, the wear resistance of the shaft sleeve 14 can be further improved.

[0056] The conveying chain of the coal mine underground sludge water dredging machine provided by the embodiment of the utility model, as shown in Figure 1 and Figure 2 The surface of the shaft sleeve 14 is provided with a wear-resistant layer.

[0057] Preferably, in the embodiment, the surface of the shaft sleeve 14 is provided with a wear-resistant layer, so as to further improve the wear resistance thereof.

[0058] Optionally, in the embodiment, the wear-resistant layer can be realized by carburizing or heat treatment, or by setting a ceramic layer on the surface of the shaft sleeve 14.

[0059] The utility model discloses another embodiment further provides a coal mine underground coal slime water dredging machine, including the chain of any one embodiment in the coal mine underground coal slime water dredging machine of the chain of the coal mine underground coal slime water dredging machine.

[0060] In the description of the utility model, it is explained that, the orientation or position relation that the terms "upper", "lower" etc. indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not the device or element that the indicated is indicated or implied must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the restriction of the utility model. In addition, the term "first", "second" is only for the purpose of description, and can not be understood as indicating or implying relative importance.

[0061] In the description of the utility model, it is explained that, unless another explicit provision and limitation, the term "installation", "communication", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct communication, also can be indirectly communicated through the intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more than two.

[0062] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A conveyor chain for a coal slurry dredging machine in an underground coal mine, comprising multiple links connected sequentially in a ring shape; characterized in that, The chain link includes: a first chain plate (11), a second chain plate (12), a pin (13), and a bushing (14); The first chain plate (11) and the second chain plate (12) are arranged opposite to each other, and the two ends of the first chain plate (11) and the second chain plate (12) are connected by the pin (13). The bushing (14) is fitted onto the pin (13). The thickness of the first chain plate (11) is L1, and the thickness of the second chain plate (12) is L2; ​​wherein, 6mm≤L1≤8mm; 6mm≤L2≤8mm.

2. The conveyor chain of the coal mine underground coal slurry dredging machine according to claim 1, characterized in that, The first chain plate (11) and the second chain plate (12) have the same thickness.

3. The conveyor chain of the coal mine underground coal slurry dredging machine according to claim 1, characterized in that, The surface of the first chain plate (11) is provided with a wear-resistant layer.

4. The conveyor chain of the coal mine underground coal slurry dredging machine according to claim 1, characterized in that, The surface of the second chain plate (12) is provided with a wear-resistant layer.

5. The conveyor chain of the coal mine underground coal slurry dredging machine according to claim 1, characterized in that, The first chain plate (11) is made of 42CrMo2.

6. The conveyor chain of the coal mine underground coal slurry dredging machine according to claim 1, characterized in that, The material of the second chain plate (12) is 42CrMo2.

7. The conveyor chain of the coal mine underground coal slurry dredging machine according to claim 1, characterized in that, The two ends of the first chain plate (11) are arc-shaped, and the two ends of the second chain plate (12) are arc-shaped; The center of the pin (13) at both ends of the first chain plate (11) coincides with the arc center at both ends of the first chain plate (11), and the center of the pin (13) at both ends of the second chain plate (12) coincides with the arc center at both ends of the chain plate. The outer edge of the bushing (14) facing the first chain plate (11) is flush with the outer edge of the end of the first chain plate (11); the outer edge of the bushing (14) facing the second chain plate (12) is flush with the outer edge of the end of the second chain plate (12).

8. The conveyor chain of the coal slurry dredging machine in underground coal mines according to claim 1, characterized in that, The bushing (14) is made of 42CrMo2.

9. The conveyor chain of the coal slurry dredging machine in underground coal mines according to claim 1, characterized in that, The surface of the bushing (14) is provided with a wear-resistant layer.

10. A coal mine underground coal slurry dredging machine, characterized in that, Includes the conveyor chain of the coal slurry dredging machine in underground coal mines as described in any one of claims 1 to 9.

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