CN221002730U - Spiral roller for coal mining machine - Google Patents
Spiral roller for coal mining machine Download PDFInfo
- Publication number
- CN221002730U CN221002730U CN202322764923.1U CN202322764923U CN221002730U CN 221002730 U CN221002730 U CN 221002730U CN 202322764923 U CN202322764923 U CN 202322764923U CN 221002730 U CN221002730 U CN 221002730U
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- fixedly connected
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- spring
- connecting block
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- 239000003245 coal Substances 0.000 title abstract description 16
- 238000005065 mining Methods 0.000 title abstract description 14
- 238000005299 abrasion Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 description 5
- 230000036346 tooth eruption Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of coal mining machines and discloses a spiral roller for a coal mining machine, which comprises a roller body, wherein spiral blades are welded on the outer wall of the roller body, a tooth holder is welded on the outer wall of the roller body, which is close to the upper part of the spiral blades, a cutting pick is arranged in the tooth holder, one end of the cutting pick is fixedly connected with a tooth column, an anti-abrasion structure is arranged in the tooth holder, a movable groove is formed in the tooth holder, and an air bag is fixedly connected in the movable groove. This spiral cylinder for coal-winning machine, through pick, tooth post, connecting block, through-hole, elastic bandage, first, the gag lever post of spring, movable chamber, gasbag and movable groove's setting, when spiral cylinder in the work, the outer wall of pick can receive the striking then cushion the pick through first, elastic bandage, gasbag and the elasticity of elastic plate, can not make the wearing and tearing that the outer wall of pick received too big, improved work efficiency.
Description
Technical Field
The utility model relates to the technical field of coal mining machines, in particular to a spiral roller for a coal mining machine.
Background
The coal mining machine is one of main equipment of fully-mechanized coal mining complete equipment. Coal mining machines have evolved from coal cutters. The coal mining machine is a large complex system integrating mechanical, electric and hydraulic functions, has a severe working environment, and can cause interruption of the whole coal mining work if a fault occurs, so that huge economic loss is caused. The spiral roller used by the coal mining machine is an important part of the coal mining machine, a tooth holder is arranged on the spiral roller, cutting teeth are arranged in the tooth holder, and in daily use, the cutting teeth are worn greatly.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a spiral roller for a coal cutter, which solves the problem that the cutting pick is high in abrasion in daily use, and the cutting pick and a tooth holder are generally connected in a welding mode, so that the production progress is influenced.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a spiral cylinder for coal-winning machine, includes the cylinder body, the outer wall welding of cylinder body has helical blade, the outer wall of cylinder body is close to helical blade's top welding and has the toothholder, the internally mounted of toothholder has the pick, the one end fixedly connected with tooth post of pick, the inside of toothholder is provided with the abrasionproof and decreases the structure, movable groove has been seted up to the inside of toothholder, the inside fixedly connected with gasbag of movable groove.
Further, the one end outer wall fixed welding of tooth post has the connecting block, the through-hole has been seted up to the inside of connecting block, the outer wall of connecting block has cup jointed elastic bandage.
Further, the anti-wear structure comprises a movable cavity, the inside of the movable cavity is provided with the inside of a tooth holder, the inner wall of the movable cavity is fixedly connected with a limiting rod, the outer wall of the limiting rod is sleeved with a first spring, one side of the movable cavity is provided with two sliding grooves, and the inside of the movable cavity is provided with a buffer structure.
Further, the buffer structure comprises an elastic plate, the outer wall swing joint of the elastic plate is in the inside of the movable cavity, one side outer wall fixedly connected with connecting rod of the elastic plate, two pin seats are fixedly connected with the outer wall of the connecting rod, pin rods are movably connected with the inside of the pin seats through pin shafts, one end of each pin rod is fixedly connected with a pulley block, a tension spring is fixedly connected between the two pin rods, and one side of the connecting rod is fixedly connected with a second spring.
Further, one end fixed connection of spring two is at the inner wall in activity chamber, one side swing joint of elastic plate has the gasbag, the top swing joint of elastic plate has the connecting block, the outer wall swing joint of connecting block is in the inside in activity chamber, the outer wall swing joint of tooth post is in the inside in activity groove.
Further, the bottom outer wall swing joint of gag lever post is in the inside of through-hole, the top fixed connection of spring one is at the inner wall in activity chamber, the bottom fixed connection of spring one is at the top of connecting block, the bottom fixed connection of elastic bandage is in the inner wall bottom in movable groove.
The beneficial effects of the utility model are as follows:
1. This spiral cylinder for coal-winning machine, through pick, tooth post, connecting block, through-hole, elastic bandage, first, the gag lever post of spring, movable chamber, gasbag and movable groove's setting, when spiral cylinder in the work, the outer wall of pick can receive the striking then cushion the pick through first, elastic bandage, gasbag and the elasticity of elastic plate, can not make the wearing and tearing that the outer wall of pick received too big, improved work efficiency.
2. This spiral cylinder for coal-winning machine, through the mutually supporting of elastic plate, connecting rod, pin boss, round pin pole, assembly pulley, extension spring, spring two and gasbag, when the outer wall of pick can receive the striking, the pick drives rack and connecting block downwardly moving, the connecting block extrudees two elastic plates when moving, makes two elastic plates also extrude the both sides outer wall of gasbag, makes the top of gasbag expand more, has also strengthened the elasticity to the elastic plate through spring two and extension spring simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the tooth holder of the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present utility model;
Fig. 5 is an enlarged view of the structure of fig. 3B according to the present utility model.
Reference numerals illustrate: 1. a drum body; 2. a helical blade; 3. a tooth holder; 4. cutting pick; 5. tooth columns; 6. a connecting block; 7. a through hole; 8. an elastic bandage; 9. an abrasion-proof structure; 91. a movable cavity; 92. a limit rod; 93. a first spring; 94. a chute; 95. a buffer structure; 951. an elastic plate; 952. a connecting rod; 953. a pin base; 954. a pin rod; 955. pulley block; 956. a tension spring; 957. a second spring; 10. a movable groove; 11. an air bag.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-5, a spiral roller for a coal mining machine comprises a roller body 1, wherein a spiral blade 2 is welded on the outer wall of the roller body 1, a tooth holder 3 is welded on the outer wall of the roller body 1, which is close to the upper part of the spiral blade 2, a cutting pick 4 is installed in the tooth holder 3, one end of the cutting pick 4 is fixedly connected with a tooth column 5, an anti-abrasion structure 9 is arranged in the tooth holder 3, a movable groove 10 is formed in the tooth holder 3, and an air bag 11 is fixedly connected in the movable groove 10.
The one end outer wall fixed welding of tooth post 5 has connecting block 6, and through-hole 7 has been seted up to the inside of connecting block 6, and elastic bandage 8 has been cup jointed to the outer wall of connecting block 6.
The anti-wear structure 9 comprises a movable cavity 91, wherein the inside of the movable cavity 91 is provided with the inside of the tooth holder 3, the inner wall of the movable cavity 91 is fixedly connected with a limiting rod 92, the outer wall of the limiting rod 92 is sleeved with a first spring 93, one side of the movable cavity 91 is provided with two sliding grooves 94, and the inside of the movable cavity 91 is provided with a buffer structure 95; through pick 4, post 5, connecting block 6, through-hole 7, elastic bandage 8, spring one 93, gag lever post 92, movable cavity 91, gasbag 11 and movable groove 10's setting, when helical drum is at the during operation, the outer wall of pick 4 can receive the striking then cushion pick 4 through the elasticity of spring one 92, elastic bandage 8, gasbag 11 and elastic plate 951, can not make the wearing and tearing that the outer wall of pick 4 received too big, has improved work efficiency.
The buffer structure 95 comprises an elastic plate 951, wherein the outer wall of the elastic plate 951 is movably connected to the inside of the movable cavity 91, a connecting rod 952 is fixedly connected to the outer wall of one side of the elastic plate 951, two pin seats 953 are fixedly connected to the outer wall of the connecting rod 952, pin rods 954 are movably connected to the inside of the pin seats 953 through pin shafts, pulley blocks 955 are fixedly connected to one ends of the pin rods 954, tension springs 956 are fixedly connected between the two pin rods 954, and springs II 957 are fixedly connected to one side of the connecting rod 952; through the mutual cooperation of the elastic plates 951, the connecting rods 952, the pin seats 953, the pin rods 954, the pulley blocks 955, the tension springs 956, the springs II 957 and the air bags 11, when the outer wall of the cutting pick 4 is impacted, the cutting pick 4 drives the toothed bar 5 and the connecting blocks 6 to move downwards, the connecting blocks 6 squeeze the two elastic plates 951 while moving, the two elastic plates 951 squeeze the outer walls of the two sides of the air bags 11, the tops of the air bags 11 are inflated more, and meanwhile, the elasticity of the elastic plates 951 is enhanced through the springs II 957 and the tension springs 956.
One end of the second spring 957 is fixedly connected to the inner wall of the movable cavity 91, one side of the elastic plate 951 is movably connected with the air bag 11, the top of the elastic plate 951 is movably connected with the connecting block 6, the outer wall of the connecting block 6 is movably connected to the inner part of the movable cavity 91, and the outer wall of the tooth column 5 is movably connected to the inner part of the movable groove 10.
The bottom outer wall swing joint of gag lever post 92 is in the inside of through-hole 7, and the top fixed connection of spring one 93 is at the inner wall of activity chamber 91, and the bottom fixed connection of spring one 93 is at the top of connecting block 6, and the bottom fixed connection of elastic bandage 8 is in the inner wall bottom of movable groove 10.
When the cutting pick 4 is used, through the arrangement of the cutting pick 4, the tooth post 5, the connecting block 6, the through hole 7, the elastic bandage 8, the first spring 93, the limiting rod 92, the movable cavity 91, the air bag 11 and the movable groove 10, when the spiral roller works, the outer wall of the cutting pick 4 is impacted and then the cutting pick 4 is buffered through the elastic force of the first spring 92, the elastic bandage 8, the air bag 11 and the elastic plate 951, so that the outer wall of the cutting pick 4 is not excessively worn, and the working efficiency is improved; through the mutual cooperation of the elastic plates 951, the connecting rods 952, the pin seats 953, the pin rods 954, the pulley blocks 955, the tension springs 956, the springs II 957 and the air bags 11, when the outer wall of the cutting pick 4 is impacted, the cutting pick 4 drives the toothed bar 5 and the connecting blocks 6 to move downwards, the connecting blocks 6 squeeze the two elastic plates 951 while moving, the two elastic plates 951 squeeze the outer walls of the two sides of the air bags 11, the tops of the air bags 11 are inflated more, and meanwhile, the elasticity of the elastic plates 951 is enhanced through the springs II 957 and the tension springs 956.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a spiral cylinder for coal-winning machine, includes cylinder body (1), its characterized in that: the novel roller is characterized in that a helical blade (2) is welded on the outer wall of the roller body (1), a tooth holder (3) is welded on the outer wall of the roller body (1) close to the upper portion of the helical blade (2), a cutting tooth (4) is arranged in the tooth holder (3), a tooth column (5) is fixedly connected to one end of the cutting tooth (4), an anti-abrasion structure (9) is arranged in the tooth holder (3), a movable groove (10) is formed in the tooth holder (3), and an air bag (11) is fixedly connected to the inner portion of the movable groove (10).
2. A helical drum for a shearer as defined in claim 1, wherein: the tooth post is characterized in that a connecting block (6) is fixedly welded on the outer wall of one end of the tooth post (5), a through hole (7) is formed in the connecting block (6), and an elastic bandage (8) is sleeved on the outer wall of the connecting block (6).
3. A helical drum for a shearer as defined in claim 2, wherein: the anti-wear structure (9) comprises a movable cavity (91), the inside of the movable cavity (91) is provided with a limit rod (92) fixedly connected with the inner wall of the movable cavity (91), a first spring (93) is sleeved on the outer wall of the limit rod (92), two sliding grooves (94) are formed in one side of the movable cavity (91), and a buffer structure (95) is arranged in the movable cavity (91).
4. A helical drum for a shearer as defined in claim 3, wherein: the buffer structure (95) comprises an elastic plate (951), wherein the outer wall of the elastic plate (951) is movably connected to the inside of the movable cavity (91), a connecting rod (952) is fixedly connected to the outer wall of one side of the elastic plate (951), two pin seats (953) are fixedly connected to the outer wall of the connecting rod (952), a pin rod (954) is movably connected to the inside of each pin seat (953) through a pin shaft, a pulley block (955) is fixedly connected to one end of each pin rod (954), a tension spring (956) is fixedly connected between the two pin rods (954), and a spring II (957) is fixedly connected to one side of the connecting rod (952).
5. The helical drum for a shearer of claim 4, wherein: one end fixed connection of spring two (957) is at the inner wall of activity chamber (91), one side swing joint of elastic plate (951) has gasbag (11), the top swing joint of elastic plate (951) has connecting block (6), the inside in activity chamber (91) of outer wall swing joint of connecting block (6), the inside in activity groove (10) of outer wall swing joint of tooth post (5).
6. The helical drum for a shearer of claim 5, wherein: the bottom outer wall swing joint of gag lever post (92) is in the inside of through-hole (7), the top fixed connection of spring one (93) is in the inner wall of activity chamber (91), the bottom fixed connection of spring one (93) is at the top of connecting block (6), the bottom fixed connection of elastic bandage (8) is in the inner wall bottom of movable groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322764923.1U CN221002730U (en) | 2023-10-16 | 2023-10-16 | Spiral roller for coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322764923.1U CN221002730U (en) | 2023-10-16 | 2023-10-16 | Spiral roller for coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221002730U true CN221002730U (en) | 2024-05-24 |
Family
ID=91118031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322764923.1U Active CN221002730U (en) | 2023-10-16 | 2023-10-16 | Spiral roller for coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221002730U (en) |
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2023
- 2023-10-16 CN CN202322764923.1U patent/CN221002730U/en active Active
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