CN203189668U - Duplex toothed rail wheel set used for coal mining machine - Google Patents
Duplex toothed rail wheel set used for coal mining machine Download PDFInfo
- Publication number
- CN203189668U CN203189668U CN 201320196425 CN201320196425U CN203189668U CN 203189668 U CN203189668 U CN 203189668U CN 201320196425 CN201320196425 CN 201320196425 CN 201320196425 U CN201320196425 U CN 201320196425U CN 203189668 U CN203189668 U CN 203189668U
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- CN
- China
- Prior art keywords
- rack rails
- roller bearing
- aligning roller
- row self
- gearwheel
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Abstract
The utility model discloses a duplex toothed rail wheel set used for a coal mining machine. The duplex toothed rail wheel set used for the coal mining machine comprises an inner sleeve, a big gear wheel and a toothed rail wheel, wherein the big gear wheel and the toothed rail wheel are sleeved outside the inner sleeve in sequence, the toothed rail wheel and the big gear wheel are matched through a square key and then are fastened together through a bolt, a washer and a nut, the pitch of the toothed rail wheel is 176mm, the number of teeth of the toothed rail wheel is 11, the module of the big gear wheel is 25mm, the number of teeth of the big gear wheel is 25, a cavity is formed between the inner sleeve and the big gear wheel and the toothed rail wheel, a guiding sleeve, a first double row self-aligning roller bearing, a second double row self-aligning roller bearing and a fixing sleeve are arranged in the cavity, the guiding sleeve is arranged at the position where the toothed rail wheel is matched with the big gear wheel, the first double row self-aligning roller bearing is arranged on the left side of the guiding sleeve, the second double row self-aligning roller bearing is arranged on the right side of the guiding sleeve, and the fixing sleeve is arranged between the first double row self-aligning roller bearing and the second double row self-aligning roller bearing. The duplex toothed rail wheel set used for the coal mining machine has the advantages of being capable of solving the problem that teeth of an existing toothed rail wheel set are easy to fracture in a using process, strong in bearing capacity, good in sealing effect, and long in service life.
Description
Technical field
The utility model relates to a kind of rack rails wheels, especially relates to a kind of coal winning machine duplex rack rails wheels.
Background technique
At present, along with complicated difficult mining coal seam (large slope, the total rock etc.) problem that mechanical mining under the domestic coal mine runs into is more and more, the power of coal winning machine is also increasing, and the rack rails wheel pitch that requirement cooperates with the transport airplane pin row is also increasing thereupon.The numerous coal winning machine travellers that comprise import coal machine particularly rack rails wheels problem are but restricting the ordinary production of mine always.Mine is when building, and based on lane space design restriction, majority can only adopt the support of 1750mm width, and this has just limited rack rails wheel of coal winning machine running part and the engagement of conveyor pin row, and the rack rails wheels that only formed by 147mm pitch rack rails wheel are available at present.For high-power coal cutter, pin row and this rack rails wheel group structure design strength are weak, often occur causing that because of coal winning machine self is heavy, the gradient is big, coal seam complexity etc. the rack rails wheel is because of the broken teeth of strength deficiency, the phenomenon of breaking tooth and rapid wear off with the fingers and thumb, be in particular in: (1) is because the restriction of conveyor pin row, make the rack rails gear teeth width of 147mm pitch, bearing load is big on the flank of tooth, easily causing the wearing and tearing aggravation, occurring occurring the broken teeth phenomenon easily under the situation of impacting; (2) modulus (48mm) is little, and flank profil is little, holds and can't stand big load, and in the transport airplane plug-flow was tried to stop people from fighting each other process, distortion appearred in profile of tooth easily, causes the broken teeth phenomenon to take place.
The model utility content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of coal winning machine duplex rack rails wheels are provided, it is simple in structure, reasonable in design and using effect is good, can effectively solve existing rack rails wheels and in use easily cause the problem that the broken teeth phenomenon takes place, bearing capacity is strong simultaneously, good sealing effect, long service life.
For achieving the above object, the technical solution adopted in the utility model is: a kind of coal winning machine duplex rack rails wheels, it is characterized in that: the gearwheel and the rack rails wheel that overlap in comprising and be enclosed within outside of inner cover from left to right successively, adopt square key to cooperate between described rack rails wheel and the gearwheel, described gearwheel passes through bolt, packing ring and nut and rack rails wheel tighten together, the pitch of described rack rails wheel is 176mm, the number of teeth of described rack rails wheel is 11 teeth, the modulus of described gearwheel is 25mm, the number of teeth of described gearwheel is 25 teeth, form a cavity between cover and gearwheel and the rack rails wheel in described, the inside of described cavity is provided with guide sleeve, first double-row self-aligning roller bearing, second double-row self-aligning roller bearing and fixed cover, described guide sleeve is arranged on the cooperation position place of rack rails wheel and gearwheel, described first double-row self-aligning roller bearing is arranged on the left side of guide sleeve, described second double-row self-aligning roller bearing is arranged on the right side of guide sleeve, and described fixed cover is arranged between first double-row self-aligning roller bearing and second double-row self-aligning roller bearing.
Above-mentioned coal winning machine is characterized in that: be provided with first lattice between cover and rack rails wheel and the gearwheel in described and enclose with duplex rack rails wheels.
Above-mentioned coal winning machine is characterized in that with duplex rack rails wheels: the inboard of cover is provided with second lattice and encloses in described, and the quantity that described second lattice enclose is that two and two second lattice enclose and are symmetrical arranged.
Above-mentioned coal winning machine duplex rack rails wheels, it is characterized in that: described rack rails wheel is provided with the lubricating cup that first double-row self-aligning roller bearing and second double-row self-aligning roller bearing are lubricated, the middle part of cover has the oiling road in described, and the inwall of described interior cover is provided with step.
Above-mentioned coal winning machine duplex rack rails wheels is characterized in that: described rack rails wheel is provided with the dismounting top wire hole away from an end of gearwheel, and described dismounting top wire hole is provided with the screw that is mated use.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design and using effect is good.
2, the utility model is by changing the pitch of coal winning machine traveller rack rails wheel, and the number of teeth of corresponding adjusting gearwheel, to increase the intensity of rack rails wheel, solve existing rack rails wheel and in use easily caused the problem that the broken teeth phenomenon takes place, reduce the coal winning machine accident rate, reduced input cost.
3, the utility model is by changing the connecting mode of rack rails wheel and gearwheel, connects fastening reliably, and improved linking intensity and the bearing capacity of rack rails wheels.
4, the utility model adopts double-row self-aligning roller bearing, because double-row self-aligning roller bearing has certain activity nargin at circumferencial direction, therefore when cutting sth. askew feed, gives the colliery silo shearer activity of rack rails wheels, be unlikely to because transport airplane pushing and sliding or try to stop people from fighting each other too urgent and the rack rails wheels occur and suppress dead situation, improved the degrees of freedom of coal winning machine rack rails wheel, the working life of having improved the rack rails wheels.
5, the utility model adopts first lattice be specifically designed to the sealing solid coal dust to enclose and second lattice enclose to isolate dust, work to seal up for safekeeping grease and spill from junction plane to prevent grease, guarantee that first double-row self-aligning roller bearing and second double-row self-aligning roller bearing run well.
Below by drawings and Examples, the utility model is described in further detail.
Description of drawings
Fig. 1 is overall structure schematic representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Description of reference numerals:
1-rack rails wheel; 2-gearwheel; 3-interior cover;
4-guide sleeve; 5-fixed cover; 6-bolt;
7-packing ring; 8-nut; 9-screw;
10-the first lattice enclose; 11-the second lattice enclose; 12-1-first double-row self-aligning roller bearing;
12-2-second double-row self-aligning roller bearing; 13-lubricating cup; 14-oiling road;
15-step.
Embodiment
As depicted in figs. 1 and 2, gearwheel 2 and rack rails wheel 1 that the utility model comprises interior cover 3 and is enclosed within interior cover 3 outsides from left to right successively, the employing square key cooperates between described rack rails wheel 1 and the gearwheel 2, described gearwheel 2 is by bolt 6, packing ring 7 and nut 8 tighten together with rack rails wheel 1, the pitch of described rack rails wheel 1 is 176mm, the number of teeth of described rack rails wheel 1 is 11 teeth, the modulus of described gearwheel 2 is 25mm, the number of teeth of described gearwheel 2 is 25 teeth, form a cavity between cover 3 and gearwheel 2 and the rack rails wheel 1 in described, the inside of described cavity is provided with guide sleeve 4, the first double-row self-aligning roller bearing 12-1, the second double-row self-aligning roller bearing 12-2 and fixed cover 5, described guide sleeve 4 is arranged on the cooperation position place of rack rails wheel 1 and gearwheel 2, the described first double-row self-aligning roller bearing 12-1 is arranged on the left side of guide sleeve 4, the described second double-row self-aligning roller bearing 12-2 is arranged on the right side of guide sleeve 4, and described fixed cover 5 is arranged between the first double-row self-aligning roller bearing 12-1 and the second double-row self-aligning roller bearing 12-2.
As shown in Figure 1, be provided with first lattice between cover 3 and rack rails wheel 1 and the gearwheel 2 in described and enclose 10, overlap 3 inboard in described and be provided with second lattice and enclose 11, it is that two and two second lattice enclose 11 and are symmetrical arranged that described second lattice enclose 11 quantity; First lattice enclose 10 and second lattice and enclose 11 and all work to seal up for safekeeping grease and spill from junction plane to prevent grease, guarantee that the first double-row self-aligning roller bearing 12-1 and the second double-row self-aligning roller bearing 12-2 run well.
As shown in Figure 1, described rack rails wheel 1 is provided with the lubricating cup 13 that the first double-row self-aligning roller bearing 12-1 and the second double-row self-aligning roller bearing 12-2 are lubricated, convenient fast to the first double-row self-aligning roller bearing 12-1 and second double-row self-aligning roller bearing 12-2 injection lubricant grease, guarantee the first double-row self-aligning roller bearing 12-1 and the second double-row self-aligning roller bearing 12-2 good lubrication, and then improve its working life.Cover 3 middle part has oiling road 14 in described, described in the inwall of cover 3 be provided with step 15, this step is corresponding with oilhole on the rack rails wheel shaft.
As shown in Figure 1, described rack rails wheel 1 end away from gearwheel 2 is provided with the dismounting top wire hole, and the setting of dismounting top wire hole is convenient to dismantle internal component, and because of work under bad environment, described dismounting top wire hole is provided with the screw 9 that is mated use at ordinary times.
In the utility model, by changing the pitch of existing rack rails wheel 1, namely change the 176mm pitch into by original 147mm pitch, and the number of teeth of corresponding adjusting gearwheel 2, under equal conditions (support that 1750mm is wide), making the facewidth and all corresponding increases of transverse tooth thickness of rack rails wheel 1 increases the purpose that rack rails is taken turns 1 intensity thereby reach, reduce the coal winning machine accident rate, reduced input cost.In addition, because duplex rack rails wheels mainly are made up of rack rails wheel 1 and gearwheel 2 two-part, therefore, gearwheel 2 meshes with the internal gear of coal winning machine during use, rack rails wheel 1 and conveyor pin row (the spacing fibrous root of conveyor two pin rows is adjusted accordingly according to rack rails wheel pitch variation) engagement, this duplex structure has avoided rack rails to take turns up and down the generation that all engagements cause unbalance stress and unnecessary wear phenomenon.Simultaneously, by changing the connecting mode of rack rails wheel 1 and gearwheel 2, connects fastening reliably, and improved linking intensity and the bearing capacity of rack rails wheels; Adopt the first double-row self-aligning roller bearing 12-1 and the second double-row self-aligning roller bearing 12-2, because double-row self-aligning roller bearing has certain activity nargin at circumferencial direction, therefore when cutting sth. askew feed, gives the colliery silo shearer activity of rack rails wheels, be unlikely to because transport airplane pushing and sliding or try to stop people from fighting each other too urgent and the rack rails wheels occur and suppress dead situation, improved the degrees of freedom of coal winning machine rack rails wheel, the working life of having improved the rack rails wheels.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. a coal winning machine is with duplex rack rails wheels, it is characterized in that: comprise interior cover (3) and be enclosed within the outside gearwheel (2) of interior cover (3) and rack rails wheel (1) from left to right successively, the employing square key cooperates between described rack rails wheel (1) and the gearwheel (2), described gearwheel (2) is by bolt (6), packing ring (7) and nut (8) tighten together with rack rails wheel (1), the pitch of described rack rails wheel (1) is 176mm, the number of teeth of described rack rails wheel (1) is 11 teeth, the modulus of described gearwheel (2) is 25mm, the number of teeth of described gearwheel (2) is 25 teeth, form a cavity in described between cover (3) and gearwheel (2) and the rack rails wheel (1), the inside of described cavity is provided with guide sleeve (4), first double-row self-aligning roller bearing (12-1), second double-row self-aligning roller bearing (12-2) and fixed cover (5), described guide sleeve (4) is arranged on the cooperation position place of rack rails wheel (1) and gearwheel (2), described first double-row self-aligning roller bearing (12-1) is arranged on the left side of guide sleeve (4), described second double-row self-aligning roller bearing (12-2) is arranged on the right side of guide sleeve (4), and described fixed cover (5) is arranged between first double-row self-aligning roller bearing (12-1) and second double-row self-aligning roller bearing (12-2).
2. according to the described coal winning machine of claim 1 duplex rack rails wheels, it is characterized in that: be provided with first lattice between cover (3) and rack rails wheel (1) and the gearwheel (2) in described and enclose (10).
3. according to claim 1 or 2 described coal winning machine duplex rack rails wheels, it is characterized in that: the inboard of cover (3) is provided with second lattice and encloses (11) in described, and the quantity that described second lattice enclose (11) is that two and two second lattice enclose (11) and are symmetrical arranged.
4. according to claim 1 or 2 described coal winning machine duplex rack rails wheels, it is characterized in that: described rack rails wheel (1) is provided with the lubricating cup (13) that first double-row self-aligning roller bearing (12-1) and second double-row self-aligning roller bearing (12-2) are lubricated, the middle part of cover (3) has oiling road (14) in described, and the inwall of described interior cover (3) is provided with step (15).
5. according to claim 1 or 2 described coal winning machine duplex rack rails wheels, it is characterized in that: described rack rails wheel (1) is provided with the dismounting top wire hole away from an end of gearwheel (2), and described dismounting top wire hole is provided with the screw (9) that is mated use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196425 CN203189668U (en) | 2013-04-17 | 2013-04-17 | Duplex toothed rail wheel set used for coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196425 CN203189668U (en) | 2013-04-17 | 2013-04-17 | Duplex toothed rail wheel set used for coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189668U true CN203189668U (en) | 2013-09-11 |
Family
ID=49106529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320196425 Expired - Lifetime CN203189668U (en) | 2013-04-17 | 2013-04-17 | Duplex toothed rail wheel set used for coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189668U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763419A (en) * | 2015-01-29 | 2015-07-08 | 中煤张家口煤矿机械有限责任公司 | Integral die forging 176mm pitch scraper conveyer pin rail |
| CN107143582A (en) * | 2017-06-07 | 2017-09-08 | 西安煤矿机械有限公司 | Self-aligning roller bearing installation method in rocker arm of coal mining machine |
| CN112065952A (en) * | 2020-09-03 | 2020-12-11 | 西安煤矿机械有限公司 | Drum-shaped gear rail wheel for coal mining machine and preparation method thereof |
| CN114312128A (en) * | 2022-01-28 | 2022-04-12 | 中车长春轨道客车股份有限公司 | Rack rail wheel and bogie |
-
2013
- 2013-04-17 CN CN 201320196425 patent/CN203189668U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763419A (en) * | 2015-01-29 | 2015-07-08 | 中煤张家口煤矿机械有限责任公司 | Integral die forging 176mm pitch scraper conveyer pin rail |
| CN107143582A (en) * | 2017-06-07 | 2017-09-08 | 西安煤矿机械有限公司 | Self-aligning roller bearing installation method in rocker arm of coal mining machine |
| CN112065952A (en) * | 2020-09-03 | 2020-12-11 | 西安煤矿机械有限公司 | Drum-shaped gear rail wheel for coal mining machine and preparation method thereof |
| CN114312128A (en) * | 2022-01-28 | 2022-04-12 | 中车长春轨道客车股份有限公司 | Rack rail wheel and bogie |
| CN114312128B (en) * | 2022-01-28 | 2023-10-27 | 中车长春轨道客车股份有限公司 | Gear rail wheel and bogie |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |