CN201003576Y - Gear change of crawler running mechanism - Google Patents
Gear change of crawler running mechanism Download PDFInfo
- Publication number
- CN201003576Y CN201003576Y CNU2007201005690U CN200720100569U CN201003576Y CN 201003576 Y CN201003576 Y CN 201003576Y CN U2007201005690 U CNU2007201005690 U CN U2007201005690U CN 200720100569 U CN200720100569 U CN 200720100569U CN 201003576 Y CN201003576 Y CN 201003576Y
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- China
- Prior art keywords
- gear
- bearing
- combination
- speed changing
- sprocket wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a speed changing device of a pedrail stepping mechanism, which is the speed changing device of the pedrail stepping mechanism of the underground mine continuous coal winning machine. The utility model mainly consists of an upper case body, a side case body, a four stage gear speed changing combination, a planet gear speed changing combination, an axis gear, a conical gear, a column gear, a transition gear, a hinge, a bearing and a connecting circular key. The utility model adopts an integrated complete sealing design, adopts the double speed changing method of combining the four stage gear speed changing combination and the planet gear speed changing combination, and combines a frequency conversing motor and the speed changing device to make the speed changing more stable, reliable and secure and make the speed changing effect more excellent; the device has the advantages of rational design, compact structure and convenient operating; the advancing and retreating of the pedrail stepping mechanism are flexible after speed changing; the device is an ideal speed changing mechanism of the pedrail stepping mechanism in bad environment operation; the device is also able to be used in other similar facilities.
Description
Technical field
The utility model relates to a kind of speed change gear of creeper undercarriage, the design of the component of genus colliery mining machinery equipment and the technical field of manufacturing.
Background technique
In modern large-scale colliery, continuous miner is one of most important preferred unit, and the use of continuous miner country such as in the U.S., Australia, Canada, South Africa is quite extensive, is in the introduction of use stage in China.
The most important parts of continuous miner are creepers undercarriage, be to finish walking function in the rugged environment narrow under coal mine, its speed of travel is strict control, be under the drive of alternating-current variable frequency motor, traveller drive complete machine is finished advanced, retreat, turn to function, so gearbox becomes the key of control walking function.
The gear shift mode of creeper undercarriage also has various ways, the AC motor of utilizing that has is carried out variable-frequency and variable-speed, the gear train of utilizing that has is carried out mechanical speed change, cut both ways, but all not ideal enough, variable-frequency and variable-speed is that the frequency of conversion motor stator and rotor is finished speed change, but be subjected to the restriction of electric power system, voltage instability, short circuit all can cause speed change stable inadequately, and the ordinary gear speed change also can be subjected to the influence of mechanical transmission power, and speed change speed is slow, noise big, transmission of power is steady inadequately.
Summary of the invention
Goal of the invention
Goal of the invention of the present utility model is exactly at disadvantages of background technology, at the characteristics of continuous miner creeper undercarriage in down-hole rugged environment operation, adopt mechanical transmission level Four gear graduation step planetary gear speed changing structure, drive the creeper undercarriage walking by sprocket wheel after the speed change, to increase substantially speed change efficient, stability, reliability and the Security of creeper undercarriage.
Technological scheme
The utility model main structure by: upper box, side box body, gear graduation combination, planetary gear speed-changing combination, shaftgear, bevel gear, cylindrical gears, transition gear, sprocket wheel, wheel hub, connection round key, bearing, pedestal cap are formed; The upper right quarter of speed change gear is upper box 1, upper box lid 3, and fixing by screw 18; The lower-left sidepiece of upper box 1 is side box body 2, side case lid 4, and fixing by screw 20; Be furnished with porous plug 9,10, oil level hole 14,15 on the upper box 1; Side box body 2 is furnished with porous plug 11, oil level hole 16,17; Be fixedly connected by round key 12, screw 19 in the middle of upper box 1, the side box body 2, be provided with transition wheel axis hole 13 in the middle of the side box body 2, and transition gear axle 39 is installed; Gear graduation combination 29 and planetary gear speed-changing combination 8 by transition gear 35 transmissions, connect also break-in; The ring gear 59 of planetary pinion combination 8 and sprocket wheel 5,6 are fixedly connected the sprocket wheel 5 outside wheel hubs 7 that connect by joining shaft 30; The outside is provided with ring gear arm 24, locating slot 25, auxiliary hole 26 in the planetary gear speed-changing combination 8; First grade axis gear 31 right outsides in the upper box 1 are motor shaft 57, and connect with the alternating-current variable frequency motor of traveller; The wheel hub 7 of sprocket wheel 5 outsides is fixing by screw 27,28; Sprocket wheel 5,6 connects with the track link of creeper undercarriage.
Described gear graduation combination 29 is contained in the upper box 1, is motor shaft 57 in the middle of upper box 1 right part, and motor shaft 57 connects first grade axis gear 31, and it is fixing by bearing 41,42, bearing support 54 is tightened up by screw 56, is reinforced by bearing cap 55, screw 23, by seal ring 69 sealings; First grade axis gear 31 connects secondary shaftgear 32, and secondary shaftgear 32 is fixing by bearing 43,44, supporting ring 76, and secondary shaftgear left part is provided with bevel pinion 37, the bevel pinion 37 vertical bevel gear wheels 38 that connect; Bevel gear wheel 38 is contained on three grades of shaftgears 33, and fixing by bearing 45,46, and by seal ring 68 sealings, the outside is fixing by bearing support 70, screw 72, and bearing cap 71, shaft-cup 58 are arranged on the bearing support 70, and is fixing by screw 73; Three grades of shaftgears 33 connect level Four shaftgear 34, and it is fixing by bearing 47,48, seal ring 67 sealings, the transition gear 35 that level Four shaftgear 34 connects on the transition gear axle 39, bearing 49, transition gear 35 are housed on the transition gear axle 39, and transition gear 35 connects with the gear 36 that connects of planetary gear speed-changing combination 8; Upper box 1 is fixing by screw 74 with side box body 2.
Described planetary gear speed-changing combination 8 is contained in the side box body 2, in side box body 2 side lower parts gear shaft 40 is housed, and gear shaft 40 bottoms are equipped with and are connected gear 36, and fixing by bearing 50,51, connects gear 36 and connects transition gear 35; The sun gear 60 of planetary gear speed-changing combination 8 is equipped with at gear shaft 40 middle parts, and 5 planet wheels 61, the planet axis 62 that odd number is provided with is equipped with in sun gear 60 outsides, and planet wheel 61 connects with ring gear 59 engagements; Sprocket wheel 5,6 is equipped with in ring gear 59 top and the bottom, and is fixed by bearing 52,53, joining shaft 30, and sprocket wheel 5 outsides are wheel hub 7, and sprocket wheel 5,6 connects the track link of creepers undercarriage; Between wheel hub 7 and the sprocket wheel 5 seal ring 63 is arranged, between sprocket wheel 5 and the ring gear 59 seal ring 64 is arranged, between ring gear 59 and the sprocket wheel 6 seal ring 65 is arranged, between sprocket wheel 6 and the side box body 2 seal ring 66 is arranged, ring gear 59 right outsides are ring gear arm 24, locating slot 25, auxiliary hole 26.
Connected by transition gear 35 between the combination 29 of described gear graduation and the planetary gear speed-changing combination 8, its connection speed ratio is: 1: 1, and break-in.
Beneficial effect
The utility model is compared with background technique has tangible advance, it is at continuous miner creeper undercarriage characteristics of operation in the rugged environment under mine, adopted explosion-proof design, after having adopted the level Four gear graduation, pass through transition gear again, give planetary gear speed-changing with transmission of power, promoting complete machine through sprocket wheel by track link moves ahead, retreat, turn to, become operating rate behind the power speed changing that variable-frequency motor is transmitted, the dual gear shift mode of this level Four gear graduation step planetary gear speed change, gearshift performance and effect have been improved greatly, the stability of its complete machine, reliability, Security has obtained increasing substantially, and can make speed change gear reach stepless change by the revolution of adjusting variable-frequency motor, makes crawler travel freely, turn to flexibly, this device is reasonable in design, compact structure, hermetically sealed design, anti-explosion safety, be the speed change gear of the creeper undercarriage of very good rugged environment operation, this device also can use on other similar devices.
Description of drawings
Fig. 1 is the overall structure plan view
Fig. 2 is the overall structure plan view
Fig. 3 is the overall structure side view
Fig. 4 is the A-A view of Fig. 1
Shown in the figure, list of numerals is as follows:
1, upper box, 2, side box body, 3, upper box lid, 4, the side case lid, 5, sprocket wheel, 6, sprocket wheel, 7, wheel hub, 8, the planetary gear speed-changing combination, 9, porous plug, 10, porous plug, 11, porous plug, 12, round key, 13, the transition wheel axis hole, 14, the oil level hole, 15, the oil level hole, 16, the oil level hole, 17, the oil level hole, 18, screw, 19, screw, 20, screw, 21, screw, 22, screw, 23, screw, 24, the ring gear arm, 25, locating slot, 26, auxiliary hole, 27, screw, 28, screw, 29, the gear graduation combination, 30, joining shaft, 31, the first grade axis gear, 32, the secondary shaftgear, 33, three grades of shaftgears, 34, the level Four shaftgear, 35, transition gear, 36, connect gear, 37, bevel pinion, 38, bevel gear wheel, 39, the transition gear axle, 40, gear shaft, 41, bearing, 42, bearing, 43, bearing, 44, bearing, 45, bearing, 46, bearing, 47, bearing, 48, bearing, 49, bearing, 50, bearing, 51, bearing, 52, bearing, 53, bearing, 54, bearing support, 55, bearing cap, 56, screw, 57, the motor joining shaft, 58, shaft-cup, 59, ring gear, 60, sun gear, 61, planet wheel, 62, planet axis, 63, seal ring, 64, seal ring, 65, seal ring, 66, seal ring, 67, seal ring, 68, seal ring, 69, seal ring, 70, bearing support, 71, bearing cap, 72, screw, 73, screw, 74, screw, 75, screw, 76, supporting ring.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1,2,3, shown in, be speed change gear overall structure figure, by upper box 1, side box body 2, be connected as a single entity by round key 12, transition wheel axis hole 13, transition wheel shaft 39, form upper and lower sides bilge construction layout, arrange level Four gear graduation combination 29 in the upper box 1, arrange planetary gear speed-changing combination 8 in the side box body 2, the planetary gear speed-changing combination 8 outside sprocket wheels 5,6 that connect, sprocket wheel 5 outsides are wheel hub 7, and the outer ring of planet wheel speed change combination 8 is provided with ring gear arm 24, locating slot 25, auxiliary hole 26, are convenient to creeper undercarriage and connect installation adjustment.
Shown in Figure 4, be speed change gear inside transmission joint graph of a relation, left part is planetary gear speed-changing combination 8, and right part is level Four gear graduation combination 29, and the centre is connected into whole speed change gear by transition wheel 35.
The motor shaft 57 of level Four gear graduation combination 29 connects variable-frequency motor power, first grade axis gear 31 connects secondary shaftgear 32, the bevel gear wheel 38 that bevel pinion 37 on the secondary shaftgear 32 connects on three grades of shaftgears 33, and vertical break-in, three grades of shaftgears 33 connect level Four shaftgear 34, level Four shaftgear 34 connects transition gear 35, and transition gear 35 connects the connection gear 36 of planetary gear speed-changing combination 8, locatees by bearing.
Level Four gear graduation combination 29, planetary gear speed-changing combination 8 all are in the seal case, and by engine oil lubrication, so lubricant oil must clean and in time replenish.
Level Four gear graduation combination 29 is the gear of big specification, m=10, and intensity is good, and strength is big, make of Alloy Constructional Steel.
Planetary gear speed-changing combination 8, transmission joint is accurate, rotates flexibly, the accuracy of mesh height of planet wheel 61, ring gear 59, sun gear 60, part is accurate, and Installation and Debugging are all very strict, will make of the good Alloy Constructional Steel of intensity, and through the processing of hardening, the form of gear tooth is to grind to good.
Claims (4)
1, a kind of speed change gear of creeper undercarriage is characterized in that: the utility model main structure by: upper box, side box body, gear graduation combination, planetary gear speed-changing combination, shaftgear, bevel gear, cylindrical gears, transition gear, sprocket wheel, wheel hub, connection round key, bearing, pedestal cap are formed; The upper right quarter of speed change gear is upper box (1), upper box lid (3), and fixing by screw (18); The lower-left sidepiece of upper box (1) is side box body (2), side case lid (4), and fixing by screw (20); Be furnished with porous plug (9), (10), oil level hole (14), (15) on the upper box (1); Be furnished with porous plug (11), oil level hole (16), (17) on the side box body (2); Be fixedly connected by round key (12), screw (19) in the middle of upper box (1), the side box body (2), be provided with transition wheel axis hole 13 in the middle of the side box body (2), and transition gear axle (39) is installed; Gear graduation combination (29) and planetary gear speed-changing combination (8) by transition gear (35) transmission, connect also break-in; The ring gear (59) of planetary pinion combination (8) is fixedly connected by joining shaft (30) with sprocket wheel (5), (6), the outside wheel hub (7) that connects of sprocket wheel (5); Planetary gear speed-changing combination (8) is gone up the outside and is provided with ring gear arm (24), locating slot (25), auxiliary hole (26); The right outside of first grade axis gear (31) in the upper box (1) is motor shaft (57), and connects with the alternating-current variable frequency motor of traveller; The outside wheel hub (7) of sprocket wheel (5) is fixed by screw (27), (28); Sprocket wheel (5), (6) connect with the track link of creeper undercarriage.
2, the speed change gear of a kind of creeper undercarriage according to claim 1, it is characterized in that: described gear graduation combination (29) is contained in the upper box (1), in the middle of upper box (1) right part is motor shaft (57), motor shaft (57) connects first grade axis gear (31), and it is fixing by bearing (41), (42), bearing support (54) is tightened up by screw (56), is reinforced by bearing cap (55), screw (23), is sealed by seal ring (69); First grade axis gear (31) connects secondary shaftgear (32), and secondary shaftgear (32) is fixed by bearing (43), (44), supporting ring (76), and secondary shaftgear left part is provided with bevel pinion (37), and bevel pinion (37) vertically connects bevel gear wheel (38); Bevel gear wheel (38) is contained on three grades of shaftgears (33), and fixing by bearing (45), (46), by seal ring (68) sealing, outside fixing by bearing support (70), screw (72), bearing cap (71), shaft-cup (58) are arranged on the bearing support (70), fixing by screw (73); Three grades of shaftgears (33) connect level Four shaftgear (34), and it is fixing by bearing (47), (48), seal ring (67) sealing, level Four shaftgear (34) connects the transition gear (35) on the transition gear axle (39), bearing (49), transition gear (35) are housed on the transition gear axle (39), and transition gear (35) connects with the gear (36) that connects of planetary gear speed-changing combination (8); Upper box (1) is fixing by screw (74) with side box body (2).
3, the speed change gear of a kind of creeper undercarriage according to claim 1, it is characterized in that: described planetary gear speed-changing combination (8) is contained in the side box body (2), in side box body (2) side lower part gear shaft (40) is housed, gear shaft (40) bottom is equipped with and is connected gear (36), and fixing by bearing (50), (51), connect gear (36) and connect transition gear (35); The sun gear (60) of planetary gear speed-changing combination (8) is equipped with at gear shaft (40) middle part, and 5 planet wheels (61), the planet axis (62) that odd number is provided with is equipped with in sun gear (60) outside, and planet wheel (61) connects with ring gear (59) engagement; Sprocket wheel (5), (6) are equipped with in ring gear (59) top and the bottom, and are fixed by bearing (52), (53), joining shaft (30), and sprocket wheel (5) outside is wheel hub (7), and sprocket wheel (5), (6) connect the track link of creeper undercarriage; Between wheel hub (7) and the sprocket wheel (5) seal ring (63) is arranged, between sprocket wheel (5) and the ring gear (59) seal ring (64) is arranged, between ring gear (59) and the sprocket wheel (6) seal ring (65) is arranged, between sprocket wheel (6) and the side box body (2) seal ring (66) is arranged, the right outside of ring gear (59) is ring gear arm (24), locating slot (25), auxiliary hole (26).
4, the speed change gear of a kind of creeper undercarriage according to claim 1 is characterized in that: described gear graduation combination (29) is made up between (8) with planetary gear speed-changing and is connected by transition gear (35), and its connection speed ratio is: 1: 1, and break-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201005690U CN201003576Y (en) | 2007-02-06 | 2007-02-06 | Gear change of crawler running mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201005690U CN201003576Y (en) | 2007-02-06 | 2007-02-06 | Gear change of crawler running mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201003576Y true CN201003576Y (en) | 2008-01-09 |
Family
ID=39039113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201005690U Expired - Fee Related CN201003576Y (en) | 2007-02-06 | 2007-02-06 | Gear change of crawler running mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201003576Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254745B (en) * | 2008-03-05 | 2010-06-09 | 西南大学 | Planetary conical plate type automatic transmission electric power driven hub |
| CN101900190A (en) * | 2010-09-16 | 2010-12-01 | 重庆嘉卡变速箱有限公司 | Auto continuously variable transmission |
| CN103350944A (en) * | 2013-08-02 | 2013-10-16 | 黄民英 | Power driving device of escalator |
| CN106195022A (en) * | 2016-08-31 | 2016-12-07 | 芜湖三联锻造有限公司 | A kind of gas sealing mechanism |
| CN110510019A (en) * | 2019-08-21 | 2019-11-29 | 中国地震局工程力学研究所 | A kind of self-walking apparatus of self-propelled geotechnical engineering investigation static pressure equipment |
| CN112196965A (en) * | 2020-10-26 | 2021-01-08 | 中国煤炭科工集团太原研究院有限公司 | Speed reducer and coal mining machine with same |
-
2007
- 2007-02-06 CN CNU2007201005690U patent/CN201003576Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254745B (en) * | 2008-03-05 | 2010-06-09 | 西南大学 | Planetary conical plate type automatic transmission electric power driven hub |
| CN101900190A (en) * | 2010-09-16 | 2010-12-01 | 重庆嘉卡变速箱有限公司 | Auto continuously variable transmission |
| CN101900190B (en) * | 2010-09-16 | 2012-05-23 | 重庆嘉卡变速箱有限公司 | Auto continuously variable transmission |
| CN103350944A (en) * | 2013-08-02 | 2013-10-16 | 黄民英 | Power driving device of escalator |
| CN103350944B (en) * | 2013-08-02 | 2015-07-15 | 黄民英 | Power driving device of escalator |
| CN106195022A (en) * | 2016-08-31 | 2016-12-07 | 芜湖三联锻造有限公司 | A kind of gas sealing mechanism |
| CN110510019A (en) * | 2019-08-21 | 2019-11-29 | 中国地震局工程力学研究所 | A kind of self-walking apparatus of self-propelled geotechnical engineering investigation static pressure equipment |
| CN112196965A (en) * | 2020-10-26 | 2021-01-08 | 中国煤炭科工集团太原研究院有限公司 | Speed reducer and coal mining machine with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: CHINA COAL RESEARCH INSTITUTE SHANXI COAL MACHINE EQUIPMENT CO., LTD. ¬ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Coal Scientific Research Institute Shanxi Coal Machinery Equipment Co., Ltd. Number: 02 Page: The title page Volume: 24 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Coal Scientific Research Institute Shanxi Coal Machinery Equipment Co., Ltd. Number: 02 Volume: 24 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ¬ TO: CHINA COAL RESEARCH INSTITUTE SHANXI COAL MACHINE EQUIPMENT CO., LTD. ¬ |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20160206 |