CN209321783U - A kind of chain wheel device of drag conveyor - Google Patents
A kind of chain wheel device of drag conveyor Download PDFInfo
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- CN209321783U CN209321783U CN201821344620.7U CN201821344620U CN209321783U CN 209321783 U CN209321783 U CN 209321783U CN 201821344620 U CN201821344620 U CN 201821344620U CN 209321783 U CN209321783 U CN 209321783U
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- bearing seat
- chain wheel
- sprocket body
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Abstract
The utility model relates to underground coal mine transportation equipment corollary apparatus technical fields, more specifically, it is related to a kind of chain wheel device of drag conveyor, for the chain wheel assembly of thin oil lubricant mode, increase oil baffle disc in sprocket body, increases oil-containing groove in connecting cylinder opposite position, oil-containing groove extends to chain wheel assembly shaft end by oilhole, it is connected by oil pipe with the gear pump for being fixed on shaft end, pump discharge is connected by hubcap with fuel tank, to form the circulatory system.Gear pump is rotated by sprocket wheel and provides power, and is increased a pair of of speed increasing gear and improved gear pump suction, and gear pump itself is connected with sprocket wheel fuel tank not only can guarantee self-lubrication, but also can be reduced tank temperature, be improved bearing lubrication.If oil leak occurs during operation for chain wheel assembly, oil spill by gear pump circulatory system blowback fuel tank, will reduce the oil starvation failure of chain wheel assembly, and improve the reliability of chain drive system, promote the operational efficiency and service life of drag conveyor.
Description
Technical field
The utility model relates to underground coal mine transportation equipment corollary apparatus technical fields, more specifically, are related to one kind and scrape
The chain wheel device of plate conveyer.
Background technique
Currently, domestic, underground coal mine is general adopts, uses a variety of drag conveyors and reclaiming conveyer on fully-mechanized mining working, passes
Dynamic portion is all made of the mode of fire-proof motor, retarder and chain wheel assembly.Chain wheel assembly is made of sprocket body and connecting cylinder.Chain wheel set
Part is force transferring part and vulnerable part, except also receiving pulsation, shock loading etc. in addition to by dead load in operating.
Mainly the undertaking of the task of the drag conveyor in underground coal mine fully-mechanized mining working is the raw coal under adopting coalcutter
Continuously transport elevating conveyor to, it is ensured that the raw coal of fully-mechanized mining working continuously transports.It is wanted in drag conveyor complete machine intensity satisfaction
Under the premise of asking, the driving portion most frequent components that break down are chain wheel assemblies, and the failure most easily occurred in chain wheel assembly is
Sealing element damage, oil leakage and cause bearing damage, cause drag conveyor to be not normally functioning.Therefore chain wheel set is solved
The Leakage of part improves one of the key factor of drag conveyor operational reliability by becoming.
As drag conveyor develops to high-power, heavy, superduty direction, the Leakage of chain wheel assembly is to cause to scrape
The principal mode of plate conveyor sprocket failure.Therefore sprocket wheel Leakage is urgently to be resolved.
Utility model content
The purpose of this utility model is to provide a kind of chain wheel device of drag conveyor, to the sealing of chain wheel assembly, anti-
Dirt structure optimizes, and reduces the oil starvation failure of drive sprocket, improves the reliability of chain drive system, promotes scraper plate conveying
The operational efficiency and service life of machine.
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of chain wheel device of drag conveyor, including gear pump, first bearing seat, sprocket body, second bearing seat and axis,
First bearing seat, sprocket body and second bearing seat are disposed on the axis, the first bearing seat is rotated by bearing to be connected
It connects on axis, the sprocket body is fixed on axis, and the second bearing seat is rotatably connected on axis by bearing；The first axle
It holds and is provided with first bearing seat float grease seal between seat and sprocket body, first bearing seat float grease seal one end and first bearing
Seat is fixedly connected, and the other end is slidably connected with sprocket body；Second bearing seat is provided between the second bearing seat and sprocket body
Float grease seal, second bearing seat float grease seal one end are fixedly connected with second bearing seat, and the other end and sprocket body sliding join
It connects；The first bearing seat offers the first oil-containing groove below first bearing seat float grease seal, and the second bearing seat is
The second oil-containing groove is offered below two bearing bracket float grease seal, first oil-containing groove and the second oil-containing groove are ring-type, connect oil
The design of slot reduces gap when being engaged with sprocket body oil baffle disc.
The bearing block is fixedly connected with end cap far from sprocket body one end, is provided with gear pump on the end cap；Described
Two bearing bracket is provided with transparent cover far from sprocket body one end；In bearing block, axis is fixedly connected by proximal cover one end for described axis one end
There is gland, the axis other end stretches out outside transparent cover, and axis is connect far from transparent cover one end with retarder output end；
The gear pump oil outlet is connected to oil return pipe, and the oil return pipe is connected to fuel tank, gear pump fuel feed hole and unidirectional
Valve group outlet, unidirectional valve group entrance are connected to the first fuel sucking pipe, the second fuel sucking pipe and third fuel sucking pipe respectively, and described first
The fuel sucking pipe other end is connected to fuel tank, and second fuel sucking pipe is connected to the first oil-containing groove, and the third fuel sucking pipe connects with second
Oil groove connection.
First gear is fixedly connected on the gland；Gear shaft, the gear shaft one are provided through on the end cap
Internal end is hollow structure, and external to be rotatablely connected with end cap, the other end is engaged by gear with first gear, increases gear pump
Suction, to guarantee that sprocket wheel oil spill can be sucked back smoothly.
The first gear is located on gland central axis.
The gear pump driving shaft is plugged in the hollow one end of gear shaft, and is fixedly connected with gear shaft.
The first bearing seat, second bearing seat are fixedly connected with headstock, and the headstock fixes company with poppet is coupled
It connects, the connection poppet is fixedly connected with retarder.
The gear pump is arranged on the outside of headstock, can both interfere to avoid with running gear, and be also beneficial to convenient for assembly
Shield protects gear pumping system.
The first bearing seat and sprocket body connecting end surface and second bearing seat and sprocket body connecting end surface are provided with fan
Palace seals tooth.
Sprocket body and first bearing seat connecting end surface and sprocket body and second bearing seat connecting end surface are provided with and labyrinth
Seal the adaptable labyrinth seal room of tooth.
Labyrinth seal tooth one end is provided with butter oil filler point above the first bearing seat and second bearing seat, it is described
Butter oil filler point section is " L " configuration, and butter oil filler point one end is connected to bearing block top surface, and the other end and bearing block side connect
It is logical, it needs to infuse butter to labyrinth by butter oil filler point after the assembly is completed in sprocket wheel, it is yellow that labyrinth must carry out note when sprocket wheel rotates
Oil just can guarantee that butter fills labyrinth chamber, furthermore needs to supplement butter to labyrinth chamber in some cycles, could preferably rise
To dustproof effect.
The sprocket body and first bearing seat connecting end surface and sprocket body and second bearing seat connecting end surface be provided with
The adaptable oil baffle disc of oil-containing groove, the oil baffle disc are inclined outwardly far from central axis.
Compared with prior art, it is had the beneficial effect that possessed by the utility model
The utility model provides a kind of chain wheel device of drag conveyor, for the chain wheel assembly of thin oil lubricant mode,
Increase oil baffle disc in sprocket body, increases oil-containing groove in connecting cylinder opposite position, oil-containing groove extends to chain wheel assembly by oilhole
Shaft end is connected by oil pipe with the gear pump for being fixed on shaft end, and pump discharge is connected by hubcap with fuel tank, to form circulation
System.Gear pump is rotated by sprocket wheel and provides power, and is increased a pair of of speed increasing gear and improved gear pump suction, gear pump itself and chain
Wheel fuel tank, which is connected, not only can guarantee self-lubrication, but also can reduce tank temperature, improve bearing lubrication.If chain wheel assembly was operating
Oil leak occurs in journey, oil spill by gear pump circulatory system blowback fuel tank, will reduce the oil starvation failure of chain wheel assembly, and improve
The reliability of chain drive system promotes the operational efficiency and service life of drag conveyor.Sprocket wheel dress provided by the utility model
It sets compact-sized, rationally distributed, operation to be easy, can effectively reduce the temperature in chain wheel assembly, improve bearing lubrication efficiency, extend
Bearing service life solves sprocket wheel Leakage by circulation oily in chain wheel assembly, sprocket shaft bearing caused by reducing because of oil starvation
Damage improves the reliability of chain drive system, promotes the operational efficiency and service life of drag conveyor.
Detailed description of the invention
Fig. 1 is a kind of chain wheel device overall structure diagram of drag conveyor provided by the utility model；
Fig. 2 is first bearing seat main view；
Fig. 3 is first bearing seat side view；
Fig. 4 is sprocket body main view；
Fig. 5 is sprocket wheel body-side view；
Fig. 6 is that first bearing seat and sprocket body cooperate schematic diagram；
Fig. 7 is import oil sealing schematic diagram；
Fig. 8 is chain wheel device assembling schematic diagram；
Fig. 9 is gear pump and pipeline main view；
Figure 10 is gear pump and pipeline side view；
Figure 11 is speed increasing gear structural schematic diagram；
In figure: 1 being first bearing seat, 2 be sprocket body, 3 be second bearing seat, 4 be axis, 5 be bearing, 6 be the first floating
Oil sealing, 7 be the second float grease seal, 8 be end cap, 9 be gear pump, 10 be transparent cover, 11 be gland, 12 be the first oil-containing groove, 13 be
Second oil-containing groove, 14 be oil return pipe, 15 be unidirectional valve group, 16 be the first fuel sucking pipe, 17 be the second fuel sucking pipe, 18 be third oil suction
Pipe, 19 be labyrinth seal tooth, 20 be butter oil filler point, 21 be labyrinth seal room, 22 be oil baffle disc, 23 be headstock, 24 be connection
Connection pad frame, 25 be first gear, 26 be gear shaft, 27 be distance set, 28 be the first sealing ring, 29 be retaining ring, 30 be second close
Seal ring, 31 for it is stifled, 32 be gland, 33 be spacer ring, 34 be gear axle bearing, 35 be import oil sealing.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figures 1-8, a kind of chain wheel device of drag conveyor, including first bearing seat 1, sprocket body 2, second bearing
Seat 3 and axis 4 is disposed with first bearing seat 1, sprocket body 2 and second bearing seat 3, the first bearing seat 1 on the axis 4
It is rotatably connected on axis 4 by bearing 5, the sprocket body 2 is fixed on axis 4, and the second bearing seat 3 is rotated by bearing 5
It is connected on axis 4；Be provided with the first float grease seal 6 between the first bearing seat 1 and sprocket body 2, the second bearing seat 3 with
The second float grease seal 7 is provided between sprocket body 2；The first bearing seat 1 is fixedly connected with end cap 8 far from 2 one end of sprocket body,
Gear pump 9 is provided on the end cap 8；The second bearing seat 3 is provided with transparent cover 10 far from 2 one end of sprocket body；The axis 4 one
In first bearing seat 1, axis 4 is fixedly connected with gland 11 by 8 one end of proximal cover at end, and 4 other end of axis stretches out outside transparent cover 10,
Axis 4 is provided with stifled 31 far from 10 end of transparent cover, blocks up 31 outsides by the sealing of gland 32 middle part and leads to hydraulic fluid port end, axis 4 is far from transparent cover
10 one end are connect with retarder output end；The first bearing seat 1 offers first in 6 radial outside of the first float grease seal and connects oil
Slot 12, the second bearing seat 3 offer the second oil-containing groove 13, first oil-containing groove in 7 radial outside of the second float grease seal
12 and second oil-containing groove 13 be ring-type；The connecting end surface and second bearing seat 3 and chain of the first bearing seat 1 and sprocket body 2
The connecting end surface of wheel body 2 is provided with labyrinth seal tooth 19, and the first bearing seat 1 is with 3 top of second bearing seat close to labyrinth
Sealing 19 one end of tooth is provided with butter oil filler point 20, and 20 section of butter oil filler point is " L " configuration, 20 one end of butter oil filler point
It is connected to bearing block top surface, the other end is connected to bearing block side；The connecting end surface and sprocket wheel of sprocket body 2 and first bearing seat 1
Body 2 and the connecting end surface of second bearing seat 3 are provided with the labyrinth seal room 21 being adapted with labyrinth seal tooth 19；The sprocket wheel
Body 2 is provided with and oil-containing groove phase with the connecting end surface and sprocket body 2 of first bearing seat 1 and the connecting end surface of second bearing seat 3
The oil baffle disc 22 of adaptation, the oil baffle disc 22 are inclined outwardly far from central axis.The first bearing seat 1, second bearing seat 3 with
Headstock 23 is fixedly connected, and the headstock 23 is fixedly connected with poppet 24 is coupled, and the connection poppet 24 is fixed with retarder
Connection.Be provided between 5 inner ring of bearing and sprocket body 2 distance set 27, it is described distance set 27 respectively with 5 inner ring of bearing, chain
Wheel body 2, axis 4 connect；The first sealing ring 28 is provided on the right side of the right side bearing 5, the first sealing ring 28 passes through retaining ring 29
It is fixed on axis 4；First sealing ring 28 is connected with 5 inner ring of right side bearing, axis 4, transparent cover 10, retaining ring 29 respectively, institute
Retaining ring 29 is stated to be nested on axis 4；The second sealing ring 30,5 outer ring of right side bearing are provided between 5 outer ring of left side bearing and end cap 8
The second sealing ring 30 is provided between transparent cover 10；There are two the sprocket body 2 is symmetrical arranged, sprocket wheel is separate structure, two
Spacer ring 33 is provided between sprocket wheel；The end cap 8, spacer ring 33, bearing 4, transparent cover 10 and stifled 31 are arranged with O-ring；It is described
Import oil sealing 35 is provided on lid 10.The float grease seal belongs to dynamic mechanical seal mode, usually by ferroalloy materials
Floating ring and matched nitrile rubber O-ring seals composition, floating ring uses in pairs, and one rotates with rotary part, and one is opposite
It is static.By O-ring seals be compressed axially after deformation, generate to the pressing force of floating-ring seal end face, play good sealing
Effect.
As shown in figs. 9-10,9 oil outlet of gear pump is connected to oil return pipe 14, and the oil return pipe 14 is connected to fuel tank,
9 fuel feed hole of gear pump and unidirectional 15 outlet of valve group, unidirectional 15 entrance of valve group respectively with the first fuel sucking pipe 16, the second fuel sucking pipe
17 are connected to third fuel sucking pipe 18, and 16 other end of the first fuel sucking pipe penetrates through end cap 8 and is connected to fuel tank, second oil suction
Pipe 17 is connected to the first oil-containing groove 12, and the third fuel sucking pipe 18 is connected to the second oil-containing groove 13.The gear pump 9 is arranged in machine
23 outside of head frame.
As shown in figure 11, first gear 25 is fixedly connected on the gland 11；Gear is provided through on the end cap 8
Axis 26,26 one end of gear shaft inside is hollow structure, external to be rotatablely connected with end cap 8 by gear axle bearing 34, another
It is engaged by gear with first gear 25 at end.Gear shaft bearing designation is NU1006.The first gear 25 is located at gland 11
On central axis.9 driving wheel of gear pump is plugged in the hollow one end of gear shaft 26, and is fixedly connected with gear shaft 26.
When implementing, gear pump 9 is connected the present embodiment with axis 4, provides power to gear pump 9 by sprocket shaft rotation, is scraping
Plate conveyer middle sprocket component revolving speed 40-70 generally per minute turns, because the suction of revolving speed and gear pump 9 is directly proportional, so in tooth
First gear 25 and gear shaft 26 are set between wheel pump 9 and axis 4 and form speed increasing gear, speed ratio in 1:10 or so, make it have compared with
Big suction.
When chain wheel assembly is when beginning to use or oil leakage phenomenon do not occur, the fuel feed hole at end cap 8 passes through the first oil suction
Pipe 16 is connected with the unidirectional valve group 15 at 9 fuel feed hole of gear pump, and is returned in chain wheel assembly fuel tank by oil return pipe 14, to be formed
Circulation can both guarantee lubrication of the gear pump 9 in non-oil leak itself, can also be moistened by recycling reduction oil temperature, improving bearing 5
It is sliding.Unidirectional valve group 15 at 9 oil inlet of gear pump can guarantee that the oil into the pump housing does not return to fuel sucking pipe.
Sprocket body 2 circumferentially processes oil baffle disc 22 outside the floating seal chamber of side, and first bearing seat 1 connects with sprocket body 2
It touches side corresponding position circumference and processes the first oil-containing groove 12, oil baffle disc 22 is mutually twisted with the first oil-containing groove 12 in assembly.When
There is oil leakage phenomenon in first float grease seal 6, and oil spill will have been got rid of by centrifugal force effect, is thrown on oil baffle disc 22 along gear oil
Disk 22 flows into the first oil-containing groove 12 of bearing block, and the first oil-containing groove 12 is connected to the second fuel sucking pipe 17, passes through the second fuel sucking pipe
17 return in gear oil pump 9；Similarly 7 oil leak of the second float grease seal, oil spill return to gear pump 9 along third fuel sucking pipe 18
In, and fuel tank is returned to by oil return pipe 14.
Bearing block and 2 place of being connected of sprocket body are dust-proof using labyrinth structure, carry out butter by butter injection orifice 20 in labyrinth
Injection needs the injection when sprocket body rotates, maze trough could be filled butter completely in this way when infusing butter to labyrinth.It adopts
Coal dust will be effectively prevent to enter with the envelope dirt mode of labyrinth plus butter, and be designed on the outside of labyrinth using high inclination-angle, and can avoid coal cinder
Into appearance the case where being stuck, can all be dropped out with the rotation of sprocket wheel after coal cinder enters labyrinth.
Only the preferred embodiment of the utility model is explained in detail above, but the utility model be not limited to it is above-mentioned
Embodiment can also not depart from the utility model aims within the knowledge of a person skilled in the art
Under the premise of various changes can be made, various change should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of chain wheel device of drag conveyor, it is characterised in that: including first bearing seat (1), sprocket body (2), the second axis
Seat (3) and axis (4) are held, first bearing seat (1), sprocket body (2) and second bearing seat (3), institute are disposed on the axis (4)
It states first bearing seat (1) and is rotatably connected on axis (4) by bearing (5), the sprocket body (2) is fixed on axis (4), and described the
Two bearing bracket (3) is rotatably connected on axis (4) by bearing (5)；It is arranged between the first bearing seat (1) and sprocket body (2)
Have the first float grease seal (6), the first bearing seat (1) offers the first oil-containing groove in the first float grease seal (6) radial outside
(12)；It is provided with the second float grease seal (7) between the second bearing seat (3) and sprocket body (2), the second bearing seat (3)
In the second float grease seal (7), radial outside offers the second oil-containing groove (13)；
The first bearing seat (1) is fixedly connected with end cap (8) far from sprocket body (2) side, is arranged on the end cap (8) with teeth
Wheel pump (9)；The second bearing seat (3) is provided with transparent cover (10) far from sprocket body (2) side；Described axis (4) one end is first
In bearing block (1), axis (4) is fixedly connected with gland (11) by proximal cover (8) one end, and axis (4) other end stretches out transparent cover
(10) outside, axis (4) is connect far from transparent cover (10) one end with retarder output end；
Gear pump (9) oil outlet is connected to oil return pipe (14), and the oil return pipe (14) is connected to fuel tank, gear pump (9) into
Oilhole and unidirectional valve group (15) outlet, unidirectional valve group (15) entrance respectively with the first fuel sucking pipe (16), the second fuel sucking pipe
(17) it is connected to third fuel sucking pipe (18), the first fuel sucking pipe (16) other end is connected to fuel tank, second fuel sucking pipe
(17) it is connected to the first oil-containing groove (12), the third fuel sucking pipe (18) is connected to the second oil-containing groove (13).
2. a kind of chain wheel device of drag conveyor according to claim 1, it is characterised in that: solid on the gland (11)
Surely first gear (25) are connected with；It is provided through gear shaft (26) on the end cap (8), inside described gear shaft (26) one end
For hollow structure, external to be rotatablely connected with end cap (8), the other end is engaged by gear with first gear (25).
3. a kind of chain wheel device of drag conveyor according to claim 2, it is characterised in that: the first gear (25)
On gland (11) central axis.
4. a kind of chain wheel device of drag conveyor according to claim 2, it is characterised in that: the gear pump (9) is main
Moving axis is plugged in gear shaft (26) hollow one end, and is fixedly connected with gear shaft (26).
5. a kind of chain wheel device of drag conveyor according to claim 1, it is characterised in that: the first bearing seat
(1), second bearing seat (3) is fixedly connected with headstock (23), and the headstock (23) is fixedly connected with poppet (24) is coupled, institute
Connection poppet (24) is stated to be fixedly connected with retarder.
6. a kind of chain wheel device of drag conveyor according to claim 1 or 5, it is characterised in that: the gear pump (9)
Setting is on the outside of headstock (23).
7. a kind of chain wheel device of drag conveyor according to claim 1, it is characterised in that: the first bearing seat
(1) labyrinth seal tooth is provided with sprocket body (2) connecting end surface and second bearing seat (3) and sprocket body (2) connecting end surface
(19).
8. a kind of chain wheel device of drag conveyor according to claim 7, it is characterised in that: the sprocket body (2) with
First bearing seat (1) connecting end surface and sprocket body (2) and second bearing seat (3) connecting end surface are provided with and labyrinth seal tooth
(19) adaptable labyrinth seal room (21).
9. a kind of chain wheel device of drag conveyor according to claim 7, it is characterised in that: the first bearing seat
(1) it is provided with butter oil filler point (20) with above second bearing seat (3) close to labyrinth seal tooth (19) one end, the butter oiling
Hole (20) section is " L " configuration, and butter oil filler point (20) one end is connected to bearing block top surface, and the other end and bearing block side connect
It is logical.
10. a kind of chain wheel device of drag conveyor according to claim 1, it is characterised in that: the sprocket body (2) with
First bearing seat (1) connecting end surface and sprocket body (2) and second bearing seat (3) connecting end surface are provided with to be adapted with oil-containing groove
Oil baffle disc (22), the oil baffle disc (22) is inclined outwardly far from central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821344620.7U CN209321783U (en) | 2018-08-21 | 2018-08-21 | A kind of chain wheel device of drag conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821344620.7U CN209321783U (en) | 2018-08-21 | 2018-08-21 | A kind of chain wheel device of drag conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209321783U true CN209321783U (en) | 2019-08-30 |
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ID=67705373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821344620.7U Active CN209321783U (en) | 2018-08-21 | 2018-08-21 | A kind of chain wheel device of drag conveyor |
Country Status (1)
| Country | Link |
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| CN (1) | CN209321783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108861343A (en) * | 2018-08-21 | 2018-11-23 | 山西煤矿机械制造股份有限公司 | A kind of chain wheel device of drag conveyor |
-
2018
- 2018-08-21 CN CN201821344620.7U patent/CN209321783U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108861343A (en) * | 2018-08-21 | 2018-11-23 | 山西煤矿机械制造股份有限公司 | A kind of chain wheel device of drag conveyor |
| CN108861343B (en) * | 2018-08-21 | 2023-12-29 | 山西煤矿机械制造股份有限公司 | Sprocket device of scraper conveyor |
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