CN104118691B - Scraper conveyer and fully-mechanized coal mining device - Google Patents
Scraper conveyer and fully-mechanized coal mining device Download PDFInfo
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- CN104118691B CN104118691B CN201410315683.XA CN201410315683A CN104118691B CN 104118691 B CN104118691 B CN 104118691B CN 201410315683 A CN201410315683 A CN 201410315683A CN 104118691 B CN104118691 B CN 104118691B
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Abstract
The invention provides a scraper conveyer and a fully-mechanized coal mining device. The scraper conveyer comprises at least two middle troughs, and the outer side of a shoveling plate ledge of each middle trough is provided with pin rails used for being matched with traveling gear teeth of a coal mining machine. Each pin rail comprises pin teeth and a pin tooth base located between the corresponding pin teeth and the corresponding shoveling plate ledge. The opposite end faces of the corresponding pin tooth bases of two adjacent middle troughs make contact with each other, and a rotation center is provided for relative rotation between two adjacent middle troughs through the end faces, making contact with each other, of the corresponding pin tooth base. The scraper conveyer can effectively improve the situation that the meshing pitch of the pin teeth of two adjacent middle troughs changes greatly, and the service life of the pin rails and the service life of the traveling gear teeth of the coal mining machine are prolonged.
Description
Technical field
The present invention relates to mining conveying equipment, more particularly, to a kind of drag conveyor and fully-mechanized mining equipment.
Background technology
Divide according to China's coal-mine coal seam thickness, the coal seam in 0.8m-1.3m thickness is girdle, in below 0.8m
The coal seam of thickness is ultra-thin coal seam, and girdle and ultra-thin coal seam belong to hard-to-recovery reserve, in order to improve energy recovery ratio and production effect
Rate, design machine height is low, cross the big fully-mechanized mining equipment of coal amount becomes the key for solving the problems, such as difficult seam mining.
Fully-mechanized mining equipment includes drag conveyor and coal-winning machine, and drag conveyor includes what more piece was sequentially connected by coupling ring
Intermediate channel, each intermediate channel includes baffle, middle plate, base plate and shovel board ledge, and middle plate and base plate are connected to baffle
And shovel board ledge between, middle plate is located at the top of base plate.Rail chair is generally welded above the outside of baffle, is arranged on rail chair
There is pin rail, pin rail coordinates with the walking gear teeth of coal-winning machine, and for coal-winning machine walking track is provided.
Currently, it is requirement of the adaptation hard-to-recovery reserve to fully-mechanized mining equipment machine height, using following technological means：By monolateral
The pin rail of support is biased to shovel board ledge outside, and also correspondingly biasing is arranged the coal-winning machine supporting with drag conveyor, makes this monolateral
The pin rail of support can so reduce walking wheel of coal cutter tooth and drag conveyor as the walking track of walking wheel of coal cutter tooth
The engagement height of pin rail, and then reduce the machine height of fully-mechanized mining equipment.Because coal-winning machine (also referred to as works with the contact surface in coal seam
Face), coal-winning machine walking in cut coal seam not substantially flat with fluctuations, and the ground of drag conveyor laying
Journey, when especially running to the joint of two adjacent sections intermediate channel, can cause two adjacent sections intermediate channel to occur therebetween relatively
Deflection (deflection of horizontal direction) or deflect (deflection of vertical direction) and produce gap up and down, cause two adjacent sections
Pin tooth pitch variation between intermediate channel is larger, causes shearer haulage gear teeth meshing serious wear.
At present, it is to ensure the pin tooth engagement pitch between two adjacent sections intermediate channel, using by two adjacent sections intermediate channel phase each other
To baffle end face or shovel board ledge end face be brought into tight contact with each other, and the baffle end face that is brought into tight contact with each other or
Relative rotation of person's shovel board ledge end face for two adjacent sections intermediate channel therebetween provides the technical scheme of center of rotation, though so
The larger situation of pin tooth engagement pitch variation between two adjacent sections intermediate channel can so be improved, but improvement is not obvious.
The content of the invention
It is an object of the present invention to provide one kind can be effectively improved pin tooth engagement pitch between two adjacent sections intermediate channel
Change greatly the drag conveyor of situation.Further object is that providing a kind of application has the comprehensive of the drag conveyor
Adopt equipment.
The drag conveyor that the present invention is provided, including at least two section intermediate channels, the shovel board ledge outside of each intermediate channel is all provided with
The pin rail for coordinating with walking wheel of coal cutter tooth is equipped with, pin rail includes pin tooth and the pin tooth between pin tooth and shovel board ledge
Seat, the end face relative to each other of the pin tooth seat of two adjacent sections intermediate channel is contacted with each other, and the end face of the pin tooth seat for contacting with each other
Center of rotation is provided for the relative rotation therebetween of two adjacent sections intermediate channel.
Further, the pin tooth seat of two adjacent sections intermediate channel end face relative to each other is in the shape that middle part is outwardly.
Further, gusset piece is welded with the outside of shovel board ledge, gusset piece is bolted with pin tooth seat；Gusset piece
Key is also equipped between pin tooth seat.
Further, bolt includes bolt head and the threaded post portion being connected, and the nut for being screwed onto threaded post portion；
Offer on the lateral surface of gusset piece for the first keyway of installation key and the elongated hole being slidably matched with threaded post portion, elongated hole
Communicate with the first keyway；The groove being slidably matched with bolt head is offered on the medial surface of gusset piece；Confession is opened up on pin tooth seat
The second keyway for installation key is offered on the hole that threaded post portion wears, and the medial surface of pin tooth seat.
Further, the lateral surface and medial surface of the first keyway and the equal insertion gusset piece of elongated hole；The axial movement of key point
It is not spacing by shovel board ledge and pin tooth seat.
Further, hole is shoulder hole, and nut is contained in shoulder hole.
Further, the shovel board ledge of two adjacent sections intermediate channel is connected by the first coupling ring, two adjacent sections intermediate channel
Baffle is connected by the second coupling ring；First coupling ring is less than the second coupling ring and baffle plate with the fit clearance of shovel board ledge
The fit clearance of ledge.
Further, pin tooth seat and pin tooth are integrally formed.
Further, it is provided with what is be slidably matched for the guide slip shoe with coal-winning machine on the baffle of each intermediate channel
Guide pipe, and the guide pipe of two adjacent sections intermediate channel is by the connection of the connecting pole that is arranged in guide pipe.
Present invention also offers a kind of fully-mechanized mining equipment, the fully-mechanized mining equipment includes coal-winning machine and above-mentioned drag conveyor.
The drag conveyor that the present invention is provided, even if two adjacent sections intermediate channel there occurs phase in the walking process of coal-winning machine
To rotation, but because center of rotation is on the end face relative to each other of the pin tooth seat of two adjacent sections intermediate channel, two adjacent sections middle part
Pin tooth pitch between groove can be substantially reduced by being affected, the pin being also just effectively guaranteed between two adjacent sections intermediate channel
Pitch of teeth, reduces meshing wear of the shearer haulage gear teeth in two adjacent sections intermediate channel joint, it is ensured that coal-winning machine it is flat
Steady traction and cut, do not easily cause damage and the initiating failure of equipment, and then are conducive to improving the coal mining efficiency of fully-mechanized mining equipment.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the plan structure of the two adjacent section intermediate channels of drag conveyor provided in an embodiment of the present invention；
Partial enlarged drawing at the A that Fig. 2 shows in Fig. 1；
Fig. 3 shows the stereochemical structure of a section intermediate channel of drag conveyor provided in an embodiment of the present invention, and the middle part
One section pin rail of groove is in decomposing state；
Fig. 4 shows the stereochemical structure of pin rail provided in an embodiment of the present invention；
Fig. 5 shows the front view structure of pin rail provided in an embodiment of the present invention；
Fig. 6 shows the left view structure of pin rail provided in an embodiment of the present invention；
Fig. 7 shows the backsight structure of pin rail provided in an embodiment of the present invention；
Fig. 8 shows the stereochemical structure of gusset piece provided in an embodiment of the present invention；
Fig. 9 shows the front view structure of gusset piece provided in an embodiment of the present invention；
Figure 10 shows the left view structure of gusset piece provided in an embodiment of the present invention.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
Referring to Fig. 1, bowing for the intermediate channel 1 that two sections are disposed adjacent in drag conveyor provided in an embodiment of the present invention is shown
Depending on structure, it will be understood to those skilled in the art that in tunnel operation, drag conveyor generally includes what more piece was sequentially connected
Intermediate channel 1, for coal-winning machine longer walking track is provided.
With reference to reference to Fig. 3 to Fig. 7, each intermediate channel 1 includes baffle 12, middle plate 13, base plate 14 and shovel board ledge 11,
Middle plate 13 and base plate 14 are connected between baffle 12 and shovel board ledge 11, and middle plate 13 is located at the top of base plate 14.Respectively
The outside of shovel board ledge 11 of intermediate channel 1 is provided with the pin rail 2 for coordinating with walking wheel of coal cutter tooth, and pin rail 2 includes pin tooth
Seat 21 and pin tooth 22, pin tooth 22 is in monolateral supporting construction in the present embodiment, is particularly suited for girdle operation.The outer end of pin tooth 22
(i.e. pin tooth 22 is away from one end of middle plate 13) is free end, the inner (i.e. pin tooth 22 is near one end of middle plate 13) of pin tooth 22 and pin
Toothholder 21 connects, and pin tooth seat 21 is connected with shovel board ledge 11, and pin tooth seat 21 is located between pin tooth 22 and shovel board ledge 11.In addition,
In the present embodiment, symmetrical two sections pin rail 2 in intermediate channel 1 is often saved, often saving in pin rail 2 there are six pin tooths 22.
Again combining with reference to Fig. 1 and Fig. 2, it can be seen that the end relative to each other of the pin tooth seat 21 of two adjacent sections intermediate channel 1
Face 210 is brought into tight contact with each other, and the end face 210 of the pin tooth seat 21 for contacting with each other be two adjacent sections intermediate channel 1 therebetween
Relatively rotate and center of rotation is provided.It will be understood to those skilled in the art that suitable by having the end face 210 of pin tooth seat 21
Shape, the end face 210 of the pin tooth seat 21 that this is contacted with each other, can during two adjacent sections intermediate channel 1 relatively rotates
To be always maintained at linear contact lay or point contact, center of rotation is provided for the relative rotation therebetween of two adjacent sections intermediate channel 1,
That is, the center of rotation therebetween of two adjacent sections intermediate channel 1 is made to be maintained on the end face 210 of pin tooth seat 21.Preferably, in Fig. 2
Show a kind of preferred structure of the end face 210 of pin tooth seat 21, specifically, the pin tooth seat 21 of the two adjacent sections intermediate channel 1 that
This relative end face 210 is in the outwardly shape in middle part so that the pin tooth seat 21 relative to each other is in from middle part to edge
Gradually changeable becomes big gap, so, when two adjacent sections intermediate channel 1 relatively rotates, in the rotation of two adjacent sections intermediate channel 1
The heart moves to edge by centre, and the end face 210 of pin tooth seat 21 relative to each other still keeps contact in rotation process, and for adjacent two
Section intermediate channel 1 provides center of rotation.
Drag conveyor provided in an embodiment of the present invention, even if two adjacent sections intermediate channel 1 is in the walking process of coal-winning machine
Relative rotation is there occurs, but because center of rotation is in the end face 210 relative to each other of the pin tooth seat 21 of two adjacent sections intermediate channel 1
On, the pin tooth pitch between two adjacent sections intermediate channel 1 can be substantially reduced by being affected, and also just be effectively guaranteed adjacent two
Pin tooth pitch between section intermediate channel 1, the engagement for reducing the shearer haulage gear teeth in the joint of two adjacent sections intermediate channel 1 is ground
Damage, it is ensured that the steady traction of coal-winning machine and cut, do not easily cause device damage and initiating failure, extend pin rail 2 and mine
The service life of the machine walking gear teeth, and then be conducive to improving the coal mining efficiency of fully-mechanized mining equipment.
It should be noted that, although pin tooth 22 is monolateral supporting construction in the present embodiment, but in other embodiments, pin tooth
22 can be that the interior outer end of bilateral support structure, i.e. pin tooth 22 is respectively connected with pin tooth seat 21.When pin tooth 22 is bilateral support structure
When, the end face 210 of the pin tooth seat 21 between pin tooth 22 and shovel board ledge 11 is the phase therebetween of two adjacent sections intermediate channel 1
Center of rotation is provided to rotating.
Preferably, the maintenance for ease of pin rail 2 is changed, and in the outside of shovel board ledge 11 gusset piece 3, gusset piece 3 are welded with
It is removably joined together by bolt with the pin tooth seat 21 of pin rail 2.In addition, to avoid bolt from being subject to when coal-winning machine is walked
Excessive shearing force and be damaged, key 5 is also equipped between gusset piece 3 and pin tooth seat 21, be subject to reducing bolt itself
Shearing force, it is ensured that the installation accuracy and the reliability for coupling of pin rail 2 and intermediate channel 1.
It will be understood to those skilled in the art that bolt includes bolt head and the threaded post portion 42 being connected, and spiral shell
It is connected on the nut 43 in threaded post portion 42.See Fig. 3, Fig. 8, Fig. 9 and Figure 10, it is preferable that in (the gusset piece 3 of lateral surface 31 of gusset piece 3
Away from the side of middle plate 13) on offer it is for the first keyway 311 of installation key 5 and elongated with what threaded post portion 42 was slidably matched
Hole 312, elongated hole 312 is communicated with the first keyway 311, and in the present embodiment, the middle part of elongated hole 312 is intersected with the first keyway 311.
The groove being slidably matched with bolt head is offered on the medial surface 32 (gusset piece 3 is near the side of middle plate 13) of gusset piece 3
321.See Fig. 4 to Fig. 7, the hole 211 worn for threaded post portion 42 is opened up on pin tooth seat 21, and the medial surface of pin tooth seat 21 is (close
The side of middle plate 13) on offer the second keyway 212 for installation key 5, by Fig. 5 as can be seen that the second keyway 212 not
The lateral surface (away from the side of middle plate 13) of insertion pin tooth seat 21.When pin rail 2 is attached on gusset piece 3, first by bolt
Head enters in groove 321, threaded post portion 42 is slid onto in elongated hole 312 by the sliding of the first keyway 311, then pacifies on key 5
It is mounted in the first keyway 311, then passes threaded post portion 42 from hole 211, and after key 5 is snapped in the second keyway 212, screws on
Nut 43.In addition, to prevent bolt looseness, the structural members such as packing ring can also be configured.Preferably, hole 211 be shoulder hole, spiral shell
Female 43 are contained in shoulder hole, and the periphery that can avoid nut 43 is not easy to dismounting because being worn.
Preferably, in the present embodiment, the lateral surface 31 and inner side of the first keyway 311 and the equal insertion gusset piece 3 of elongated hole 312
Face 32, the axial movement of key 5 is spacing by shovel board ledge 11 and pin tooth seat 21 respectively.In other embodiments, the first keyway 311 can
With the medial surface 32 of not insertion gusset piece 3, as long as the depth of the first keyway 311 can make bolt head smoothly be slid onto groove 321
Interior, now bottom land and pin tooth seat 21 of the axial movement of key 5 respectively by the first keyway 311 is spacing.
It is adjacent referring to Fig. 3 as can be seen that the shovel board ledge 11 of two adjacent sections intermediate channel 1 is connected by the first coupling ring 61
The baffle 12 of two section intermediate channels 1 is connected by the second coupling ring 62, because the relative rotation of two adjacent sections intermediate channel 1 is with mutual
The pin tooth seat end face 210 of contact is center of rotation, it is preferable that the fit clearance of the first coupling ring 61 and shovel board ledge 11 is less than the
The fit clearance of two coupling rings 62 and baffle 12 so that the free gap of the side of shovel board ledge 11 of two adjacent sections intermediate channel 1
Much smaller than the free gap of the side of baffle 12, and then ensure the pin tooth seat end face 210 of two adjacent sections intermediate channel 1 in rotation process
In be in close contact all the time.
Preferably, the pin tooth seat 21 and pin tooth 22 of pin rail 2 is integrally formed, and so can ensure that relative between each pin tooth 22
Positional precision, makes the uniform force of each pin tooth 22, reduces because of pin rail abrasion and walking wheel of coal cutter caused by the unbalance stress of pin tooth 22
Damage.
Preferably, it is provided with the baffle 12 of each intermediate channel 1 and is slidably matched for the guide slip shoe with coal-winning machine
Guide pipe 7, and the guide pipe 7 of two adjacent sections intermediate channel 1 connected by the connecting pole 8 being arranged in guide pipe 7.Work as coal-winning machine
In the walking process in cut coal seam, coal-winning machine can horizontally slip because of the fluctuations of work surface in intermediate channel, but lead
To under the auxiliary guide effect of pipe 7 and connecting pole 8, the scope that horizontally slips of coal-winning machine is controlled, so as to avoid coal mining
Machine because rise and fall work surface produce left and right significantly slide to pin rail 2 produce impact, easily cause pin rail 2 to be damaged further
Affect the problem of the service life of pin rail 2.Also so that the coal-winning machine coordinated with the middle pan of scraper conveyor 1 cut coal seam row
Process is walked, the cambered surface traveling of guide pipe 7 is always complied with, the impact horizontally slipped to pin rail 2 of coal-winning machine is reduced, pin is extended
The service life of rail 2.
The embodiment of the present invention additionally provides a kind of fully-mechanized mining equipment, and the fully-mechanized mining equipment includes coal-winning machine and above-mentioned scraper plate conveying
Machine.Because drag conveyor provided in an embodiment of the present invention has above-mentioned technique effect, application has the fully mechanized mining of the drag conveyor
Equipment should also possess corresponding technique effect, will not be described here.
These are only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of drag conveyor, including at least two intermediate channel (1), shovel board ledge (11) outside of each intermediate channel (1) are saved
The pin rail (2) for coordinating with walking wheel of coal cutter tooth is provided with, the pin rail (2) is including pin tooth (22) and positioned at the pin
Pin tooth seat (21) between tooth (22) and the shovel board ledge (11), it is characterised in that the pin of two adjacent sections intermediate channel (1)
The end face (210) relative to each other of toothholder (21) is contacted with each other, and the end face (210) of the pin tooth seat (21) for contacting with each other is
The two adjacent sections intermediate channel (1) relative rotation therebetween provides center of rotation；
Gusset piece (3) is welded with the outside of the shovel board ledge (11), the gusset piece (3) is with the pin tooth seat (21) by spiral shell
Tether and connect；Key (5) is also equipped between the gusset piece (3) and the pin tooth seat (21)；
The bolt includes bolt head and threaded post portion (42) being connected, and the spiral shell for being screwed onto the threaded post portion (42)
Female (43)；
Offer on the lateral surface (31) of the gusset piece (3) the first keyway (311) for installing the key (5) and with it is described
The elongated hole (312) that threaded post portion (42) is slidably matched, the elongated hole (312) communicates with first keyway (311)；It is described
The groove (321) being slidably matched with the bolt head is offered on the medial surface (32) of gusset piece (3)；
Open up the hole (211) worn for the threaded post portion (42) on the pin tooth seat (21), and the pin tooth seat (21) is interior
The second keyway (212) for installing the key (5) is offered on side.
2. drag conveyor according to claim 1, it is characterised in that the pin tooth seat of the two adjacent sections intermediate channel (1)
(21) end face relative to each other (210) is in the shape that middle part is outwardly.
3. drag conveyor according to claim 1, it is characterised in that first keyway (311) and the elongated hole
(312) lateral surface (31) and medial surface (32) of gusset piece (3) described in equal insertion；The axial movement of the key (5) is respectively by institute
State shovel board ledge (11) and the pin tooth seat (21) is spacing.
4. drag conveyor according to claim 1, it is characterised in that the hole (211) is shoulder hole, the nut
(43) it is contained in the shoulder hole.
5. drag conveyor according to claim 1, it is characterised in that the shovel board groove of the two adjacent sections intermediate channel (1)
Side (11) is connected by the first coupling ring (61), and the baffle (12) of the two adjacent sections intermediate channel (1) is by the second connection
Ring (62) connects；First coupling ring (61) is less than second coupling ring with the fit clearance of the shovel board ledge (11)
(62) with the fit clearance of the baffle (12).
6. drag conveyor according to claim 1, it is characterised in that the pin tooth seat (21) and the pin tooth (22)
It is body formed.
7. drag conveyor according to any one of claim 1 to 6, it is characterised in that the gear of each intermediate channel (1)
The guide pipe (7) being slidably matched for the guide slip shoe with coal-winning machine, and the two adjacent sections are provided with board slot side (12)
The guide pipe (7) of intermediate channel (1) is connected by the connecting pole (8) being arranged in the guide pipe (7).
8. a kind of fully-mechanized mining equipment, it is characterised in that convey including the scraper plate any one of coal-winning machine and claim 1 to 7
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315683.XA CN104118691B (en) | 2014-07-03 | 2014-07-03 | Scraper conveyer and fully-mechanized coal mining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315683.XA CN104118691B (en) | 2014-07-03 | 2014-07-03 | Scraper conveyer and fully-mechanized coal mining device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104118691A CN104118691A (en) | 2014-10-29 |
| CN104118691B true CN104118691B (en) | 2017-05-17 |
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ID=51764369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410315683.XA Active CN104118691B (en) | 2014-07-03 | 2014-07-03 | Scraper conveyer and fully-mechanized coal mining device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104118691B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761911B (en) * | 2016-11-28 | 2019-01-01 | 哈尔滨博业科技开发有限责任公司 | Suddenly incline pseudo- tiltedly guiding conveyer of bowing |
| CN116446869B (en) * | 2023-04-21 | 2023-12-26 | 中国矿业大学 | Self-drilling hard mineral longwall mining machine and mining method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2064457B (en) * | 1979-12-11 | 1984-02-29 | Anderson Strathclyde Ltd | Armoured face conveyors |
| DE3624109C1 (en) * | 1986-07-17 | 1987-12-17 | Eickhoff Geb | Headstock rod for feeding a roller loader that is used underground |
| PL306369A1 (en) * | 1994-12-01 | 1996-06-10 | Kolbl Hans Joseph | Longwall conveyor |
| CN2937027Y (en) * | 2006-07-26 | 2007-08-22 | 淮南奔牛机械有限责任公司 | Universal pin line |
| CN102704999B (en) * | 2012-06-05 | 2014-04-16 | 山东矿机集团股份有限公司 | Middle trough with pin rails on two sides |
| CN103395603A (en) * | 2013-07-31 | 2013-11-20 | 三一重型装备有限公司 | Middle groove of scraper conveyer, scraper conveyer and fully-mechanized coal mining equipment |
-
2014
- 2014-07-03 CN CN201410315683.XA patent/CN104118691B/en active Active
Also Published As
| Publication number | Publication date |
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| CN104118691A (en) | 2014-10-29 |
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