CN204004210U - Transverse axis cut speed reducer for development machine - Google Patents
Transverse axis cut speed reducer for development machine Download PDFInfo
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- CN204004210U CN204004210U CN201420499317.XU CN201420499317U CN204004210U CN 204004210 U CN204004210 U CN 204004210U CN 201420499317 U CN201420499317 U CN 201420499317U CN 204004210 U CN204004210 U CN 204004210U
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Abstract
The utility model discloses a kind of development machine transverse axis cut speed reducer, comprise framework for support, framework for support is installed on electric motor stand by bolt, one-level sun gear is through framework for support setting, secondary solar gear is set in one-level sun gear outside, one-level planet wheel is installed on primary planet carrier by bearing, and engage with one-level sun gear, secondary planet wheel is installed on framework for support by planet wheel shaft, and with the opposite side engagement of secondary solar gear, output internal tooth casing is installed on framework for support by centre bearing and outboard bearing, described one-level planet wheel and secondary planet wheel are respectively with the engagement of output internal tooth casing.Transverse axis cut speed reducer for development machine described in the utility model, one-level planet wheel and secondary planet wheel are respectively with the engagement of output internal tooth casing, make two-stage planetary mechanism simultaneously by dynamic action in output internal tooth casing on, play the effect of power dividing, reduced boundary dimension and the weight of speed reducer.
Description
Technical field
The utility model relates to a kind of cut speed reducer of development machine, especially colliery industry horizontal shaft type development machine or cutting machine planetary speed reducer.
Background technique
At present, development machine is mainly used in the comprehensive heading equipment of coal, half coal petrography and the exploitation of hard rock tunnel.Its working environment is severe, the driving power of working machine is large, impact shock in work is large.In the tunneling process in tunnel, require cutting mechanism will constantly carry out swinging of pitching and substantially horizontal.Zheng Tai mechanism is mainly made up of cutting mechanism, shipment activity, traveller and spraying, hydraulic pressure and electrical system.Along with traveller is pushed ahead, the continuous broken coal of cutterhead and rock in operation mechanism, and transported.Cutting mechanism is wherein the groundwork power unit of development machine, is mainly made up of motor, cut speed reducer and cutterhead.The cutting coal direction of horizontal shaft type cutterhead pick is more reasonable, and declined coal petrography is more laborsaving, and chip removal is more convenient.Dark less owing to cutting, cut and loading condition are better.When vertical cutting, stability is better.So large-scale development machine generally adopts horizontal shaft type.
There are the following problems for the horizontal shaft type cut speed reducer of existing structure:
1, structure adopts umbrella tooth+multistage parallel axes structure, and casing is integrated type, and volume is large, transmission efficiency is low, maintenance is inconvenient.
2, cylindrical gears and gear shaft adopt splined, and manufacturing difficulty, cost be high, reduced gear-driven accuracy.
3, adopt NGW conventional version to compare compared with planetary differential structure, the speed reducer of conventional version is that volume or weight are all much bigger compared with planetary differential structure speed reducer.
4, the speed reducer of the conventional construction processing of not lowering the temperature, due to high speed level running speed high (reaching～1500r/min), in the time that working, speed reducer can produce very large heat, cause speed reducer temperature to raise, in the working life that can reduce gear and bearing to the greatest extent, bring safely hidden danger to speed reducer.
Therefore, develop little, lightweight, simple in structure, the safe and reliable development machine of a kind of volume transverse axis cut speed reducer and become technical barrier urgently to be resolved hurrily.
Summary of the invention
The utility model is for the proposition of above problem, and transverse axis cut speed reducer for a kind of development machine of research and design, be used for solving existing speed reducer, its structure adopts umbrella tooth+multistage parallel axes structure, casing is integrated type, its volume is large, weight is large, and life-span because not having cooling structure to reduce gear and bearing in frame, brings the shortcoming of hidden danger to speed reducer safe operation.The technological means that the utility model adopts is as follows:
Transverse axis cut speed reducer for a kind of development machine, comprise framework for support, framework for support is installed on electric motor stand by bolt, one-level sun gear is through framework for support setting, framework for support is stretched out in one end of one-level sun gear, the other end is by the end cover sealing of framework for support end, secondary solar gear is located at framework for support inside, and be set in one-level sun gear outside, primary planet carrier is with a side engagement of secondary solar gear, primary planet carrier is integrated type, one-level planet wheel is installed on primary planet carrier by bearing, and engage with one-level sun gear, secondary planet wheel is installed on framework for support by planet wheel shaft, and with the opposite side engagement of secondary solar gear, output internal tooth casing is installed on framework for support by centre bearing and outboard bearing, described one-level planet wheel and secondary planet wheel are respectively with the engagement of output internal tooth casing.
It is the four point positioning bearing that can simultaneously keep out radial and axial pressure as preferred described centre bearing, centre bearing is installed by door I and door door II and is fixed on output internal tooth casing, and two outside framework oil seals are installed on the outer end axle that one-level sun gear stretches out framework for support in opposite directions.
Be installed on the combination port of output internal tooth casing with framework for support as preferred described door III, end cover and door III place are separately installed with O RunddichtringO I and the O RunddichtringO II for sealing.
The both sides end face of described carrier and door III is separately installed with V-shaped seal ring and heavily loaded oil sealing.
As adopting logical circulating cooling water-bound on preferred described framework for support.
Compared with the prior art, a kind of development machine described in the utility model has the following advantages with transverse axis cut speed reducer:
(1) transverse axis cut speed reducer for development machine described in the utility model, one-level planet wheel and secondary planet wheel are respectively with the engagement of output internal tooth casing, make two-stage planetary mechanism simultaneously by dynamic action in output internal tooth casing on, play the effect of power dividing, reduced boundary dimension and the weight of speed reducer.
(2) transverse axis cut speed reducer for development machine described in the utility model, described centre bearing is the four point positioning bearing that can simultaneously keep out radial and axial pressure, the counteractive axial and radial force that outside coal rock layer applies speed reducer can be born, the total weight of the associated parts such as cut cylindrical shell can also be born simultaneously.
(3) transverse axis cut speed reducer for development machine described in the utility model, primary planet carrier adopts veneer overall construction design, has reduced the physical dimension of speed reducer.
(4) transverse axis cut speed reducer for development machine described in the utility model, has increased the structural design in circulating cooling water route, can effectively reduce the real work serviceability temperature of speed reducer, has guaranteed the reliability of speed reducer work, Security.
(5) transverse axis cut speed reducer for development machine described in the utility model, end cover, the equal design and installation of door III and carrier place have the Sealing of dustproof and anti-leak, have guaranteed the sealing reliability of speed reducer.
The utility model is developed a kind of transverse axis cut speed reducer, and it adopts the structural design of the common driver output internal tooth casing of two-stage Gear Planet Transmission power dividing type, and the special construction of logical recirculated cooling water is set at speed reducer framework for support, makes bearing capacity improve approximately 20%; Planetary differential transverse axis cut speed reducer structure of the present utility model is simple, bearing capacity is large, running accuracy is high, transmission efficiency is high, volume is little, lightweight.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is scheme of installation of the present utility model.
Fig. 3 is the A-A sectional view of the utility model Fig. 2.
Wherein: 1, framework for support, 2, heavily loaded oil sealing, 3, V-shaped seal ring, 4, output internal tooth casing, 5, secondary planet wheel, 6, planet wheel shaft, 7, centre bearing, 8, door I, 9, one-level planet wheel, 10, end cover, 11, primary planet carrier, 12, one-level sun gear, 13, secondary solar gear, 14, door II, 15, O RunddichtringO I, 16, O RunddichtringO II, 17, door III 18, outside framework oil seal, 19, outboard bearing.
Embodiment
As shown in Figure 1, transverse axis cut speed reducer for a kind of development machine, comprise framework for support 1, framework for support 1 is installed on electric motor stand by bolt, one-level sun gear 12 is individually fixed in framework for support 1 and end cover 10 by two bearings, as the input shaft of whole speed reducer, framework for support 1 is stretched out in one end of one-level sun gear 12, the other end seals by the end cover 10 of framework for support 1 end, secondary solar gear 13 is located at framework for support 1 inside, and be set in one-level sun gear 12 outsides, and between one-level sun gear 12 and secondary solar gear 13 without drive connection, primary planet carrier 11 is with a side engagement of secondary solar gear 13, primary planet carrier 11 is integrated type, primary planet carrier adopts veneer overall construction design, reduce the physical dimension of speed reducer.
One-level planet wheel 9 is installed on primary planet carrier 11 by bearing, and engage with one-level sun gear 12, secondary planet wheel 5 is installed on framework for support 1 by planet wheel shaft 6, and with the opposite side engagement of secondary solar gear 13, output internal tooth casing 4 is installed on framework for support 1 by centre bearing 7 and outboard bearing 19, with transferring power, described one-level planet wheel 9 and secondary planet wheel 5 engage with output internal tooth casing 4 respectively, make two-stage planetary mechanism simultaneously by dynamic action in output internal tooth casing 4 on, never driver output internal tooth casing 4 rotates, play the effect of power dividing, boundary dimension and the weight of speed reducer are reduced.
Described centre bearing 7 is for can bear the four point positioning bearing of radial and axial pressure simultaneously, can bear the counteractive axial and radial force that outside coal rock layer applies speed reducer, can also bear the total weight of the associated parts such as cut cylindrical shell simultaneously, two outside framework oil seals 18 are installed on the outer end axle that one-level sun gear 12 stretches out framework for support 1 in opposite directions, Injection of Glycerol between outside framework oil seal 18, has solved the leakage problem of the dustproof and lubricant oil of speed reducer effectively.
Centre bearing 7 is installed by door I 8 and door door II 14 and is fixed on output internal tooth casing 4, plays the effect of fixing output internal tooth casing 4.
Described door III 17 is installed on the combination port of output internal tooth casing 4 with framework for support 1, end cover 10 and door III 17 places are separately installed with O RunddichtringO I 15 and the O RunddichtringO II 16 for sealing, the both sides end face of carrier 1 and door III 17 is separately installed with V-shaped seal ring 3 and heavily loaded oil sealing 2, has guaranteed the sealing reliability of speed reducer.
On described machine framework for support 1, adopt logical circulating cooling water-bound at speed reducer input shaft end position, can effectively reduce the real work serviceability temperature of speed reducer, guaranteed the reliability of speed reducer work, Security, guarantee speed reducer is normally worked.
Development machine described in the utility model has adopted secondary planet differential gearing with transverse axis cut speed reducer, and coordinate the one-level planet wheel 9 of transmission and secondary planet wheel 5 to be preferably provided with three to five pairs, the one-level planet wheel 9 and the secondary planet wheel 5 common driver output internal tooth casings 4 that are two-stage Gear Planet Transmission rotate, output internal tooth casing 4 and cutterhead connect by torsion pass pin and bolt, thereby drive cutterhead to carry out coal rock layer cutting work.
One-level sun gear 12, one-level planet wheel 9, primary planet carrier 11 and output internal tooth casing 4 in speed reducer in first order planetary mechanism rotate simultaneously, realize differential gearing structure.
Planet carrier in speed reducer in the planetary mechanism of the second level is fixed, and secondary solar gear 13, secondary planet wheel 5 and output internal tooth casing 4 rotate output, the planet carrier of secondary planet mechanism is framework for support 1, as the load-bearing member of whole speed reducer, is mounted on mainframe by bolt.
The one-level planet wheel 9 of two-stage epicyclic transmission mechanism and secondary planet wheel 5 share an output internal tooth casing 4, and this output internal tooth casing 4 also will be served as the bearing support of centre bearing 7, when transferring power, also play the effect of supporting role power and cutting cylinder associated part weight.
When work, one-level sun gear 12 is as input shaft, the 12 transmission engagements of one-level sun gear drive 9 transmissions of one-level planet wheel, one-level planet wheel 9 drives primary planet carrier 11 transmissions, primary planet carrier 11 drives secondary solar gear 13 to rotate, secondary solar gear 13 drives secondary planet wheel 5 to rotate, and one-level planet wheel 9 and secondary planet wheel 5 drive output internal tooth casing 4 to rotate simultaneously, realize the deceleration of speed reducer.
As shown in Figures 2 and 3, development machine described in the utility model generally needs two (being each one) to drive cutting portion to carry out work around with every development machine of transverse axis cut speed reducer simultaneously, speed reducer symmetry is installed on electric motor stand, the output internal tooth casing 4 of rotation connects with cutting portion, and is bearing the whole active force of cutting portion and weight.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and inventive concept thereof, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. a transverse axis cut speed reducer for development machine, it is characterized in that comprising framework for support (1), framework for support (1) is installed on electric motor stand by bolt, one-level sun gear (12) arranges through framework for support (1), framework for support (1) is stretched out in one end of one-level sun gear (12), the other end is by end cover (10) sealing of framework for support (1) end, secondary solar gear (13) is located at framework for support (1) inside, and be set in one-level sun gear (12) outside, one side engagement of the same secondary solar gear of primary planet carrier (11) (13), primary planet carrier (11) is integrated type, one-level planet wheel (9) is installed on primary planet carrier (11) by bearing, and engage with one-level sun gear (12), secondary planet wheel (5) is installed on framework for support (1) by planet wheel shaft (6), and the opposite side of same secondary solar gear (13) engagement, output internal tooth casing (4) is installed on framework for support (1) by centre bearing (7) and outboard bearing (19), described one-level planet wheel (9) and secondary planet wheel (5) are respectively with output internal tooth casing (4) engagement.
2. transverse axis cut speed reducer for development machine according to claim 1, it is characterized in that: described centre bearing (7) is for can keep out the four point positioning bearing of radial and axial pressure simultaneously, centre bearing (7) is installed by door I (8) and door door II (14) and to be fixed on output internal tooth casing (4) upper, and two outside framework oil seals (18) are installed on the outer end axle that one-level sun gear (12) stretches out framework for support (1) in opposite directions.
3. transverse axis cut speed reducer for development machine according to claim 1, it is characterized in that: described door III (17) is installed on the combination port of the output same framework for support of internal tooth casing (4) (1), and end cover (10) and door III (17) locate to be separately installed with O RunddichtringO I (15) and the O RunddichtringO II (16) for sealing.
4. transverse axis cut speed reducer for development machine according to claim 3, is characterized in that: the both sides end face of described carrier (1) and door III (17) is separately installed with V-shaped seal ring (3) and heavily loaded oil sealing (2).
5. transverse axis cut speed reducer for development machine according to claim 1, is characterized in that: the upper employing of described machine framework for support (1) led to circulating cooling water-bound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499317.XU CN204004210U (en) | 2014-09-01 | 2014-09-01 | Transverse axis cut speed reducer for development machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499317.XU CN204004210U (en) | 2014-09-01 | 2014-09-01 | Transverse axis cut speed reducer for development machine |
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| Publication Number | Publication Date |
|---|---|
| CN204004210U true CN204004210U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420499317.XU Expired - Fee Related CN204004210U (en) | 2014-09-01 | 2014-09-01 | Transverse axis cut speed reducer for development machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196967A (en) * | 2014-09-01 | 2014-12-10 | 大连华锐重工集团股份有限公司 | Horizontal-axis cutting speed reducer for heading machine |
-
2014
- 2014-09-01 CN CN201420499317.XU patent/CN204004210U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196967A (en) * | 2014-09-01 | 2014-12-10 | 大连华锐重工集团股份有限公司 | Horizontal-axis cutting speed reducer for heading machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20200901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |