CN109707440B - Machine head mechanism of coal planer and mounting and dismounting method - Google Patents
Machine head mechanism of coal planer and mounting and dismounting method Download PDFInfo
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- CN109707440B CN109707440B CN201811601364.XA CN201811601364A CN109707440B CN 109707440 B CN109707440 B CN 109707440B CN 201811601364 A CN201811601364 A CN 201811601364A CN 109707440 B CN109707440 B CN 109707440B
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Abstract
The invention provides a coal planer head mechanism and an assembling and disassembling method, wherein a connecting part between a power part and a head is connected with a head connecting plate; the machine head is provided with a left pressing block, a right pressing block, a chain wheel shaft group, a derailleur, a protective plate and a machine head frame; the chain wheel shaft group, the chain shifter, the guard plate and the headstock are arranged between the left pressing block and the right pressing block side by side; one end of the chain wheel shaft group is connected with the left pressing block, and the other end of the chain wheel shaft group is connected with the right pressing block; the chain shifter is matched with the chain wheel shaft group; one end surface of the guard plate is connected with the left pressing block, and the other end surface of the guard plate is connected with the right pressing block; the guard plate is provided with a groove, and the derailleur is arranged in the groove; one end face of the headstock is connected with the left pressing block, and the other end face of the headstock is connected with the right pressing block. The machine head body does not need to be integrally transported to the site, can be disassembled according to site adjustment, can be installed on the site, and is convenient to transport and assemble. The performance can also be adjusted according to actual needs.
Description
Technical Field
The invention relates to the field of coal ploughs, in particular to a coal plough conveyor head mechanism and an installing and disassembling method.
Background
The coal plough is a coal mining machine for realizing automation of coal dropping, coal loading and coal transporting in an underground coal mining working face, and has the advantages of simple structure, convenience in operation, high lump coal rate, small dust and the like compared with a drum coal mining machine in a range suitable for use. The gas can be uniformly released due to the shallow depth of cut, which is particularly beneficial to preventing gas outburst in high gas mines. The sliding coal plough is one of the main coal ploughs and is widely used due to the characteristics of small planing resistance of the plough head and easy control of the cutting depth.
The coal plough conveyor is used in cooperation with a coal plough. The head of the coal planing conveyor is generally assembled on the coal mining site and used after the assembly is completed. Due to the limitation of field environment, the prior machine head is inconvenient to disassemble and assemble, and great inconvenience is brought to the field disassembly and assembly of the coal planing conveyor. And the position of the coal plough conveyor needs to be adjusted according to coal mining needs, or a new mining area is moved for coal mining operation, so that the machine head of the coal plough conveyor needs to be disassembled and assembled according to the coal mining needs, and how to realize convenient disassembly and assembly and realize convenient maintenance of the machine head of the coal plough conveyor in a mining area is a technical problem to be solved urgently at present.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a machine head mechanism of a coal planing conveyor, which comprises: the machine head body is provided with a machine head and a power part;
a connecting part between the power part and the machine head is connected with a machine head connecting plate;
the machine head is provided with a left pressing block, a right pressing block, a chain wheel shaft group, a derailleur, a protective plate and a machine head frame;
the chain wheel shaft group, the chain shifter, the guard plate and the headstock are arranged between the left pressing block and the right pressing block side by side;
one end of the chain wheel shaft group is connected with the left pressing block, and the other end of the chain wheel shaft group is connected with the right pressing block;
the chain shifter is matched with the chain wheel shaft group; one end surface of the guard plate is connected with the left pressing block, and the other end surface of the guard plate is connected with the right pressing block;
the guard plate is provided with a groove, and the derailleur is arranged in the groove;
one end face of the headstock is connected with the left pressing block, and the other end face of the headstock is connected with the right pressing block.
Preferably, the sprocket shaft group comprises: a drum; a shaft is arranged in the roller, a spacer bush is sleeved at the position close to the middle part of the roller, a chain wheel is sleeved outside the spacer bush, shaft sleeves are arranged at two sides of the chain wheel, and the shaft sleeves are sleeved at the position close to the outside of the roller;
the first end of the roller is connected with an end cover through a bolt and a gasket;
the end cover is connected with a gland through a screw plug and a gasket;
the gland is connected with the first end of the shaft through a bolt and a gasket;
a flat key is arranged between the two shaft sleeves, the flat key is arranged between the roller and the chain wheel, and the flat key is fixedly arranged on the shaft through a screw;
a positioning sleeve is arranged between the floating seal ring assembly and the roller;
bearings are respectively arranged at the positions close to the two ends of the roller, and the bearings are sleeved outside the shaft;
a sealing sleeve is sleeved in the second end of the roller and sleeved outside the shaft; a pin shaft is arranged between the seal sleeve and the shaft;
an oil seal is arranged at the sealing sleeve; the second end of the roller is connected with a transparent cover through a bolt, and a round nut and a backstop pad are arranged on the outer edge of the transparent cover; the round nut is sleeved on the shaft and is abutted with the outer edge of the transparent cover.
Preferably, the floating seal ring assembly is made of a steel pipe;
an O-shaped ring is arranged at the connecting part between the chain wheel and the shaft sleeve;
an O-shaped ring is arranged between the sealing sleeve and the shaft;
a plug and washer are connected to the second end of the shaft.
Preferably, the sheathing comprises: the protective plate comprises a protective plate body, wherein one end surface of the protective plate body is provided with two protective plate bulges; a groove is arranged between the two guard plate bulges; the guard plate body is connected with a guard plate reinforcing plate, and the guard plate body and the guard plate reinforcing plate are respectively provided with a guard plate through hole matched with each other.
Preferably, the power section includes: a speed reducer and a motor;
the speed reducer and the motor are connected with each other; a connecting cover is arranged at the connecting part of the speed reducer and the motor; the input end of the speed reducer is connected with a brake disc through a nut and a bolt; the output end of the motor is connected with a connecting disc through a bolt and a bolt;
one end of the connecting cover is connected with the brake disc, and the other end of the connecting cover is connected with the connecting disc; a cover plate is arranged on the connecting cover and is connected to the connecting cover through a bolt and a gasket;
a friction coupler is arranged between the output shaft of the motor and the input end of the speed reducer and is connected between the output shaft of the motor and the input end of the speed reducer through a gasket, a pin, a pressure pad and a bolt.
Preferably, the derailleur comprises: the chain pulling bottom plate is connected with two chain pulling plates;
the two chain shifting plates are arranged in parallel.
Preferably, the power part is provided with a first power connecting part and a second power connecting part;
the machine head is provided with a first machine head connecting part and a second machine head connecting part;
the first power connecting part is connected with the machine head connecting plate through a bolt and a nut;
the first machine head connecting part is connected with the machine head connecting plate through a bolt and a nut;
the first machine head connecting part is connected with the machine head connecting plate through a square head bolt and a nut;
the second power connecting part is connected with the machine head connecting plate through a screw and a flat key;
the second machine head connecting part is connected with the machine head connecting plate through a flat key and a screw;
one end face of the headstock is connected with the left pressing block through a nut and a screw, and the other end face of the headstock is connected with the right pressing block through a nut and a screw.
A method for mounting and dismounting a machine head of a coal planing conveyor,
the assembling method of the handpiece comprises the following steps:
inspecting each assembled part, completely damaging and scrubbing;
coating a small amount of lubricating grease on the matching surfaces of the parts;
the assembled chain wheel shaft group is loaded into the gap of the end head of the machine head frame according to the coal conveying direction of the scraper conveyor, and
installing a left pressing block and a right pressing block, and fastening the left pressing block and the right pressing block on the headstock by using screws and round nuts;
putting the chain shifter into the machine head from between the left pressing block and the right pressing block, and rotating along the cylindrical surface of the chain wheel shaft group to fall in place;
the bolt is arranged in a fixed seat hole preset in the machine head, the machine head rotates after the bolt is in place, then the guard plate is slowly placed on the machine head from the upper part of the machine head body, the bolt connected with the guard plate penetrates through the guard plate, and the bolt is fastened by the locknut;
and checking whether the assembled parts meet the requirements.
Preferably, the method for disassembling the handpiece comprises:
the machine head body is disassembled;
detaching the headstock;
removing the derailleur;
removing the left pressing block and the right pressing block;
and (4) translating the sprocket shaft group to one side without the speed reducer along the axis direction of the original shaft group until the spline hole is completely separated from the spline of the speed reducer, moving the sprocket shaft group to the opening direction of the machine head, and detaching the sprocket shaft group.
Preferably, the assembling method of the power part includes:
coating a small amount of lithium-based lubricating grease on all parts with threads, and coating a thin layer of lithium-based lubricating grease on the matching shaft, hole and surface of other parts;
assembling according to a correct sequence, and integrating the connecting cover, the reducer, the friction coupler and the coupler into a whole;
checking the fastening torque of each connecting bolt which meets the corresponding specification grade;
the disc is rubbed by hand, the rotation is flexible, and the phenomenon of blocking is avoided;
the method for disassembling the power part comprises the following steps:
checking a hoisting rope and a skid, wherein the hoisting degree or the skid degree just ensures that the connecting bolt does not bear bending moment or shearing force in the dismounting process;
loosening the nut, drawing out the bolt, and taking down the motor along the first axial direction of the speed reducer;
removing the friction coupling from the motor shaft;
the connecting cover and the coupling are detached from one end of the speed reducer.
According to the technical scheme, the invention has the following advantages:
the machine head and the power part can be assembled and disassembled mutually, wherein the machine head is used for loading the assembled chain wheel shaft group into a gap at the end head of the machine head frame according to the coal conveying direction of the scraper conveyor, and is provided with a left pressing block and a right pressing block which are fastened on the machine head frame by screws and round nuts; putting the chain shifter into the machine head from between the left pressing block and the right pressing block, and rotating along the cylindrical surface of the chain wheel shaft group to fall in place; the bolt is arranged in a fixed seat hole preset in the machine head, the machine head rotates 90 degrees after being in place, then the guard plate is slowly placed on the machine head from the upper part of the machine head body, the bolt connected with the guard plate penetrates through the guard plate, and the bolt is fastened by the locknut; the disassembly is also the inverse operation of the assembly, so that the disassembly and the assembly are convenient for users as required, the machine head body does not need to be integrally transported to the site, and can be disassembled according to site adjustment and installed on the site, thereby being convenient for transportation and assembly. The performance can also be adjusted according to actual needs. The position can also be adjusted as required, so that the machine head body can be conveniently carried and used. Can realize convenient dismouting and realize the convenient maintenance to coal plough conveyer aircraft nose in mining area.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a head mechanism of a coal planer;
FIG. 2 is a schematic view of a handpiece;
FIG. 3 is a schematic view of a handpiece configuration;
FIG. 4 is a schematic view of a sprocket shaft assembly;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic view of the guard structure;
FIG. 7 is a schematic view of the shield structure;
FIG. 8 is a schematic view of the power section;
FIG. 9 is a schematic structural view of the derailleur;
FIG. 10 is a schematic view of the derailleur.
Detailed Description
The present invention provides a head mechanism of a coal planer, as shown in fig. 1 to 10, comprising: the handpiece body 90, the handpiece body 90 is provided with a handpiece 12 and a power part 13;
a connecting part between the power part 13 and the machine head 12 is connected with a machine head connecting plate 7;
the machine head 12 is provided with a left pressing block 21, a right pressing block 22, a chain wheel shaft group 27, a derailleur 28, a guard plate 29 and a machine head frame 17;
the chain wheel shaft group 27, the derailleur 28, the guard plate 29 and the headstock 17 are arranged side by side between the left pressing block 21 and the right pressing block 22;
one end of the chain wheel shaft group 27 is connected with the left pressing block 21, and the other end of the chain wheel shaft group 27 is connected with the right pressing block 22;
It will be understood that when an element or layer is referred to as being "on," connected to, "or" coupled to "another element or layer, it can be directly on, connected or coupled to the other element or layer, and intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The machine head is the unloading end of the conveyor, the power parts can be arranged on both sides of the machine head, the tail part of the machine head is connected with the transition groove, and the machine head comprises a machine head frame, a chain wheel shaft group, a chain shifter, a guard plate, a pressing block and the like. The chain wheel shaft group is firstly installed, then the pressing block is installed, the derailleur is installed, and finally the guard plate is installed.
In the present invention, the sprocket shaft group 27 includes: a drum 48; a shaft 44 is arranged inside the roller 48, a spacer 42 is sleeved at the middle position close to the roller 48, a chain wheel 43 is sleeved outside the spacer 42, shaft sleeves 39 are arranged at two sides of the chain wheel 43, and the shaft sleeves 39 are sleeved outside the roller 48;
a first end of the roller 48 is connected with an end cover 35 through a bolt 33 and a gasket 34;
the end cover 35 is connected with a gland 36 through a screw plug 31 and a gasket 32;
a flat key 40 is arranged between the two shaft sleeves 39, the flat key 40 is arranged between the roller 48 and the chain wheel 43, and the flat key 40 is fixedly arranged on the shaft 44 through a screw 41;
a floating seal ring assembly 47 is arranged at the connecting part between the shaft sleeve 39 and the roller 48, and a positioning sleeve 46 is arranged between the floating seal ring assembly 47 and the roller 48;
a gland 51 is sleeved in the second end of the roller 48, and the gland 51 is sleeved outside the shaft 44; a pin shaft 54 is arranged between the sealing sleeve 51 and the shaft 44;
an oil seal 52 is arranged at the sealing sleeve 51; the second end of the roller 48 is connected with a transparent cover 23 through a bolt, and the outer edge of the transparent cover 23 is provided with a round nut 55 and a backstop pad 56; the round nut 55 is sleeved on the shaft 44 and is abutted with the outer edge of the transparent cover 23.
The chain wheel shaft group is a transmission part for the operation of the scraper chain and mainly comprises a shaft, a bearing seat, a chain wheel, a sealing element, a transparent cover, a shaft sleeve and other parts. The sprocket shaft group is centralized lubrication, and the lubricating oil is N320 centralized lubrication. The chain wheel shaft group is lubricated by an end cover connected to the chain wheel shaft group through an oil tank and a hose, so that the chain wheel shaft group is more convenient to refuel, and the service life of the chain wheel shaft group is prolonged.
Spatially relative terms such as "under …", "below", "lower", "above", "over", and the like, as may be used herein for ease of description, describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be rotated 90 degrees or other orientations and the spatially relative terms used herein are to be interpreted accordingly.
In the invention, the floating seal ring component 47 is made of a steel pipe; an O-shaped ring 45 is arranged at the connecting part between the chain wheel 43 and the shaft sleeve 39, and an O-shaped ring 50 is arranged between the sealing sleeve 51 and the shaft 44; a screw plug 57 and a washer 58 are connected to the second end of the shaft.
The protector plate 29 includes: the protective plate comprises a protective plate body 85, wherein two protective plate bulges 81 are arranged on one end surface of the protective plate body 85; a groove 82 is arranged between the two guard plate bulges 81; the guard plate body 85 is connected with a guard plate reinforcing plate 84, and the guard plate body 85 and the guard plate reinforcing plate 84 are respectively provided with a guard plate through hole 83 which is matched with each other.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description in this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In the present invention, the power unit 13 includes: a speed reducer 61 and a motor 68;
the speed reducer 61 and the motor 68 are connected to each other; a connecting cover 65 is arranged at the connecting part of the speed reducer 61 and the motor 68; the input end of the speed reducer 61 is connected with a brake disc 64 through a nut 62 and a bolt 63; the output end of the motor 68 is connected with a connecting disc 69 through a bolt 66 and a bolt 67;
one end of the connecting cover 65 is connected with the brake disc 64, and the other end of the connecting cover 65 is connected with the connecting disc 69; the connecting cover 65 is provided with a cover plate 75, and the cover plate 75 is connected to the connecting cover 65 through a bolt 76 and a washer 77;
a friction coupler 73 is arranged between the output shaft of the motor 68 and the input end of the speed reducer 61, and the friction coupler 73 is connected between the output shaft of the motor 68 and the input end of the speed reducer 61 through a gasket 70, a pin 71, a pressure pad 72 and a bolt 74. A coupling is also disposed between the speed reducer 61 and the motor 68.
In the present invention, the derailleur 28 comprises: a chain shifting base plate 60, wherein two chain shifting plates 59 are connected to the chain shifting base plate 60; the two chain pulling plates 59 are arranged in parallel. The chain puller has the function of forcing the circular ring chain to exit the chain wheel at the normal separation point of the chain wheel, and timely removing sundries clamped in a chain wheel groove, thereby ensuring the normal meshing of the chain wheel and the scraper chain. When the upper end and the lower end of the derailleur are worn by force, the derailleur can be repaired by a surfacing mode and reused.
In the invention, the power part 13 is provided with a first power connecting part and a second power connecting part; the machine head 12 is provided with a first machine head connecting part and a second machine head connecting part; the first power connecting part is connected with the machine head connecting plate 7 through a bolt 1 and a nut 2; the first machine head connecting part is connected with the machine head connecting plate 7 through a bolt 3 and a nut 4; the first machine head connecting part is connected with the machine head connecting plate 7 through a square-head bolt 5 and a nut 6; the second power connecting part is connected with the machine head connecting plate 7 through a screw 9 and a flat key 8; the second machine head connecting part is also connected with the machine head connecting plate 7 through a flat key 10 and a screw 11; one end face of the headstock 17 is connected with the left pressing block 21 through the nut 14 and the screw 15, and the other end face of the headstock 17 is connected with the right pressing block 22 through the nut 14 and the screw 15.
The invention also provides a method for assembling and disassembling the head of the coal planing conveyor,
the assembling method of the handpiece comprises the following steps:
inspecting each assembled part, completely damaging and scrubbing;
coating a small amount of lubricating grease on the matching surfaces of the parts;
the assembled chain wheel shaft group is loaded into the gap of the end head of the machine head frame according to the coal conveying direction of the scraper conveyor, and
installing a left pressing block and a right pressing block, and fastening the left pressing block and the right pressing block on the headstock by using screws and round nuts;
putting the chain shifter into the machine head from between the left pressing block and the right pressing block, and rotating along the cylindrical surface of the chain wheel shaft group to fall in place;
the bolt is arranged in a fixed seat hole preset in the machine head, the machine head rotates 90 degrees after being in place, then the guard plate is slowly placed on the machine head from the upper part of the machine head body, the bolt connected with the guard plate penetrates through the guard plate, and the bolt is fastened by the locknut;
and checking whether the assembled parts meet the requirements.
The method for disassembling the handpiece comprises the following steps:
the machine head body is disassembled;
detaching the headstock;
removing the derailleur;
removing the left pressing block and the right pressing block;
and (4) translating the sprocket shaft group to one side without the speed reducer along the axis direction of the original shaft group until the spline hole is completely separated from the spline of the speed reducer, moving the sprocket shaft group to the opening direction of the machine head, and detaching the sprocket shaft group.
The assembling method of the power part comprises the following steps:
preparing corresponding assembling tools, hoisting tools or skids and partial lithium-based lubricating oil;
checking whether all parts are qualified or not, and scrubbing qualified products;
coating a small amount of lithium-based lubricating grease on all parts with threads, and coating a thin layer of lithium-based lubricating grease on the matching shaft, hole and surface of other parts;
assembling according to a correct sequence, and integrating the connecting cover, the reducer, the friction coupler and the coupler into a whole;
checking the fastening torque of each connecting bolt which meets the corresponding specification grade;
the disc is rubbed by hand, the rotation is flexible, and the phenomenon of blocking is avoided;
the method for disassembling the power part comprises the following steps:
preparing corresponding tools, hoisting ropes and skid blocks;
the motor is hoisted by a rope or is padded by a skid.
Checking a hoisting rope and a skid, wherein the hoisting degree or the skid degree just ensures that the connecting bolt does not bear bending moment or shearing force in the dismounting process;
loosening the nut, drawing out the bolt, and taking down the motor along the first axial direction of the speed reducer;
removing the friction coupling from the motor shaft;
the connecting cover and the coupling are detached from one end of the speed reducer.
And storing the removed parts in a classified manner, performing anti-knock, anti-pressure and anti-rust treatment, and repairing or scrapping the damaged parts.
The reducer is a key part of the power part of the conveyor and is a conical-cylindrical gear reducer.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 (10)
1. A coal planer head mechanism, comprising: the machine head comprises a machine head body (90), wherein the machine head body (90) is provided with a machine head (12) and a power part (13);
a connecting part between the power part (13) and the machine head (12) is connected with a machine head connecting plate (7);
the machine head (12) is provided with a left pressing block (21), a right pressing block (22), a chain wheel shaft group (27), a derailleur (28), a protective plate (29) and a machine head frame (17);
the chain wheel shaft group (27), the derailleur (28), the guard plate (29) and the headstock (17) are arranged between the left pressing block (21) and the right pressing block (22) side by side;
one end of the chain wheel shaft group (27) is connected with the left pressing block (21), and the other end of the chain wheel shaft group (27) is connected with the right pressing block (22);
the derailleur (28) cooperates with the sprocket shaft group (27); one end surface of the guard plate (29) is connected with the left pressing block (21), and the other end surface of the guard plate (29) is connected with the right pressing block (22);
the guard plate (29) is provided with a groove (82), and the derailleur (28) is arranged in the groove (82);
one end face of the headstock (17) is connected with the left pressing block (21), and the other end face of the headstock (17) is connected with the right pressing block (22).
2. The coal planer head mechanism of claim 1,
the sprocket shaft group (27) includes: a drum (48); a shaft (44) is arranged in the roller (48), a spacer bush (42) is sleeved at the position close to the middle of the roller (48), a chain wheel (43) is sleeved outside the spacer bush (42), shaft sleeves (39) are arranged on two sides of the chain wheel (43), and the shaft sleeves (39) are sleeved outside the roller (48);
the first end of the roller (48) is connected with the end cover (35) through a bolt (33) and a gasket (34);
the end cover (35) is connected with a gland (36) through a screw plug (31) and a gasket (32);
the gland (36) is connected to a first end of the shaft (44) by a bolt (37) and a washer (38);
a flat key (40) is arranged between the two shaft sleeves (39), the flat key (40) is arranged between the roller (48) and the chain wheel (43), and the flat key (40) is fixedly arranged on the shaft (44) through a screw (41);
a floating seal ring assembly (47) is arranged at the connecting part between the shaft sleeve (39) and the roller (48); a positioning sleeve (46) is arranged between the floating seal ring assembly (47) and the roller (48);
bearings (49) are respectively arranged at the positions close to the two ends of the roller (48), and the bearings (49) are sleeved outside the shaft (44);
a sealing sleeve (51) is sleeved in the second end of the roller (48), and the sealing sleeve (51) is sleeved outside the shaft (44); a pin shaft (54) is arranged between the sealing sleeve (51) and the shaft (44);
an oil seal (52) is arranged at the sealing sleeve (51); the second end of the roller (48) is connected with a transparent cover (23) through a bolt, and the outer edge of the transparent cover (23) is provided with a round nut (55) and a retaining pad (56); the round nut (55) is sleeved on the shaft (44) and is abutted against the outer edge of the transparent cover (23).
3. The coal planer head mechanism of claim 2,
the floating seal ring assembly (47) is made of a steel pipe;
an O-shaped ring (45) is arranged at the connecting part between the chain wheel (43) and the shaft sleeve (39);
an O-shaped ring (50) is arranged between the sealing sleeve (51) and the shaft (44);
a plug screw (57) and a washer (58) are connected to the second end of the shaft.
4. The coal planer head mechanism as claimed in claim 1 or 2,
the cover sheet (29) includes: the protective plate comprises a protective plate body (85), wherein one end face of the protective plate body (85) is provided with two protective plate bulges (81); a groove (82) is arranged between the two guard plate bulges (81); the guard plate body (85) is connected with a guard plate reinforcing plate (84), and the guard plate body (85) and the guard plate reinforcing plate (84) are respectively provided with a guard plate through hole (83) which is matched with each other.
5. The coal planer head mechanism as claimed in claim 1 or 2,
the power unit (13) includes: a speed reducer (61) and a motor (68);
the speed reducer (61) and the motor (68) are connected with each other; a connecting cover (65) is arranged at the connecting part of the speed reducer (61) and the motor (68); the input end of the speed reducer (61) is connected with a brake disc (64) through a nut (62) and a bolt (63); the output end of the motor (68) is connected with a connecting disc (69) through a first bolt (66) and a second bolt (67);
one end of the connecting cover (65) is connected with the brake disc (64), and the other end of the connecting cover (65) is connected with the connecting disc (69); a cover plate (75) is arranged on the connecting cover (65), and the cover plate (75) is connected to the connecting cover (65) through a bolt (76) and a gasket (77);
a friction coupler (73) is arranged between the output shaft of the motor (68) and the input end of the speed reducer (61), and the friction coupler (73) is connected between the output shaft of the motor (68) and the input end of the speed reducer (61) through a gasket (70), a pin (71), a pressure pad (72) and a bolt (74).
6. The coal planer head mechanism as claimed in claim 1 or 2,
the derailleur (28) comprises: the chain shifting device comprises a chain shifting base plate (60), wherein two chain shifting plates (59) are connected to the chain shifting base plate (60);
the two chain pulling plates (59) are arranged in parallel.
7. The coal planer head mechanism as claimed in claim 1 or 2,
the power part (13) is provided with a first power connecting part and a second power connecting part;
the machine head (12) is provided with a first machine head connecting part and a second machine head connecting part;
the first power connecting part is connected with the machine head connecting plate (7) through a bolt (1) and a nut (2);
the first machine head connecting part is connected with the machine head connecting plate (7) through a bolt (3) and a nut (4);
the first machine head connecting part is connected with the machine head connecting plate (7) through a square head bolt (5) and a nut (6);
the second power connecting part is connected with the machine head connecting plate (7) through a screw (9) and a flat key (8);
the second machine head connecting part is connected with the machine head connecting plate (7) through a flat key (10) and a screw (11);
one end face of the headstock (17) is connected with the left pressing block (21) through a nut (14) and a screw (15), and the other end face of the headstock (17) is connected with the right pressing block (22) through a nut (14) and a screw (15).
8. A method for installing and removing a head of a coal planer conveyor, which is characterized by adopting the head mechanism of the coal planer conveyor as claimed in any one of claims 1 to 7;
the assembling method of the handpiece comprises the following steps:
inspecting each assembled part, completely damaging and scrubbing;
coating a small amount of lubricating grease on the matching surfaces of the parts;
the assembled chain wheel shaft group is loaded into a gap at the end of a headstock according to the coal conveying direction of a scraper conveyor, and a left pressing block and a right pressing block are loaded and fastened on the headstock by screws and round nuts;
putting the chain shifter into the machine head from between the left pressing block and the right pressing block, and rotating the chain shifter in place along the cylindrical surface of the chain wheel shaft group;
the bolt is arranged in a fixed seat hole preset in the machine head, the machine head rotates 90 degrees after being in place, then the guard plate is slowly placed on the machine head from the upper part of the machine head body, the bolt connected with the guard plate penetrates through the guard plate, and the bolt is fastened by the locknut;
and checking whether the assembled parts meet the requirements.
9. The method of installing and removing a head of a coal planer conveyor as claimed in claim 8,
the method for disassembling the handpiece comprises the following steps:
the machine head body is disassembled;
detaching the headstock;
removing the derailleur;
removing the left pressing block and the right pressing block;
and (4) translating the sprocket shaft group to one side without the speed reducer along the axis direction of the sprocket shaft group until the spline hole is completely separated from the spline of the speed reducer, and then moving the sprocket shaft group to the opening direction of the machine head to dismount the sprocket shaft group.
10. The method of installing and removing a head of a coal planer conveyor as claimed in claim 8,
the assembling method of the power part comprises the following steps:
coating a small amount of lithium-based lubricating grease on all parts with threads, and coating a thin layer of lithium-based lubricating grease on the matching shaft, hole and surface of other parts;
assembling according to a correct sequence, and connecting the connecting cover, the reducer, the friction coupler and the coupling into a whole;
checking the fastening torque of each connecting bolt which meets the corresponding specification grade;
the disc is rubbed by hand, the rotation is flexible, and the phenomenon of blocking is avoided;
the method for disassembling the power part comprises the following steps:
checking a hoisting rope and a skid, wherein the hoisting degree or the skid degree just ensures that the connecting bolt does not bear bending moment or shearing force in the dismounting process;
loosening the nut, drawing out the bolt, and taking down the motor along the first axial direction of the speed reducer;
removing the friction coupling from the motor shaft;
the connecting cover and the coupling are detached from one end of the speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601364.XA CN109707440B (en) | 2018-12-26 | 2018-12-26 | Machine head mechanism of coal planer and mounting and dismounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601364.XA CN109707440B (en) | 2018-12-26 | 2018-12-26 | Machine head mechanism of coal planer and mounting and dismounting method |
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| Publication Number | Publication Date |
|---|---|
| CN109707440A CN109707440A (en) | 2019-05-03 |
| CN109707440B true CN109707440B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811601364.XA Expired - Fee Related CN109707440B (en) | 2018-12-26 | 2018-12-26 | Machine head mechanism of coal planer and mounting and dismounting method |
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| Country | Link |
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| CN (1) | CN109707440B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589367A (en) * | 2019-09-19 | 2019-12-20 | 甘肃容和激光再制造技术有限公司 | Sprocket shaft group |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202729213U (en) * | 2012-09-17 | 2013-02-13 | 山东矿机集团股份有限公司 | Transmission part of scraper conveyer driven by hydraulic motor |
| CN203865410U (en) * | 2014-05-31 | 2014-10-08 | 湖南矿友重工有限公司 | Transmission device for scraper conveyor |
| CN203975772U (en) * | 2014-07-10 | 2014-12-03 | 安徽新园矿山设备制造有限责任公司 | A kind of head drive device of slat conveyer |
| CN205471189U (en) * | 2016-03-25 | 2016-08-17 | 中煤张家口煤矿机械有限责任公司 | Big scalable simple and easy aircraft nose of inclination single drive scraper conveyor |
| CN206172387U (en) * | 2016-11-14 | 2017-05-17 | 云南科赛特机械制造有限公司 | Scraper conveyor's headstock structure |
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| CN109707440A (en) | 2019-05-03 |
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