CN104213916B - The winning machine cutting part of motor and hydraulic-driven exchange can be carried out - Google Patents
The winning machine cutting part of motor and hydraulic-driven exchange can be carried out Download PDFInfo
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- CN104213916B CN104213916B CN201410400219.0A CN201410400219A CN104213916B CN 104213916 B CN104213916 B CN 104213916B CN 201410400219 A CN201410400219 A CN 201410400219A CN 104213916 B CN104213916 B CN 104213916B
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Abstract
Can carry out the cutting units of motor and hydraulic-driven exchange, comprise hollow housing, left hand roller and right hand roller are equipped with in the both sides of housing forward end; Under full hydraulic drive mode, high-speed hydraulic motor is the coupling part of housing and coal-winning machine forearm through the rear portion of the drum housing described in epicyclic transmission mechanism deceleration rear drive, the side of coupling part connects coal-winning machine forearm by square plate syndeton, is provided with side flange around square plate; Square plate syndeton comprises the square mounting disc of the side being cemented in coupling part, and coal-winning machine forearm is provided with square groove, and type of the carving chamfering being convenient to square mounting disc to include in square groove is arranged at the top of quadrangle mounting disc; Side flange is connected by screw coal-winning machine forearm; The backend arrangement of coupling part can connect the expansion flange-interface of hydraulic pressure driver module or motor drive module.
Description
Technical field
Present invention is directed to the novel cutting units of one of drum-type open coal-winning machine, especially can carry out the cutting units of driven by power and full hydraulic drive exchange.
Background technology
Coal is the topmost energy of China, along with the construction of Chinese large-sized open coal mine, has an opencast mining of ratio shared in coal in China exploitation increasing.Opencast development needs efficient, safe, clean, continuous and intelligentized strip mining equipment.Cylinder height-adjustable open continuous miner is a kind of large-scale strip mining transformation equipment integrating the functions such as exploitation, fragmentation, shipment, and its good job behavior is confirmed in actual production.Present drum-type open coal-winning machine, the dynamical system of cutting units is generally driven by power, does not also have the cutting units of full hydraulic drive at present.In driven by power situation, machine must need external high pressure cable to be driving motor supplies power in coal mining process, so not only pretty troublesome, and there is certain danger.For meeting the mining requirement not possessing power conditions open coal mine, improve flexibility and the mobility of opencast stope ruins further, improve production capacity and intelligent level, the design of the cutting units of full hydraulic drive is necessary.
Traditional cutting units is generally that heavy motor drives, and electric energy conversion is become mechanical energy by motor, and then by power transmission shaft and reducer, power transmission is carried out coal work to cylinder.Electric system needs to be arranged on cutting units, and needs externally fed cable, the weight and volume of whole cutting units can be caused so all larger, react insensitive.The connected mode of this cutting units and fuselage is generally planar Flange joint, and the moment of torsion that cutting units bears can be transformed into the shearing force on flange screw by this structure, and antitorque effect is also bad.And this Flange joint is only suitable for special cutting units and connects, and is inconvenient to dismantle and change.
Summary of the invention
The present invention will overcome the above-mentioned shortcoming of prior art, provides a kind of winning machine cutting part that can carry out electricity and liquid driving exchange.
A kind of cutting units carrying out electricity and liquid driving exchange, comprise hollow housing, left hand roller and right hand roller are equipped with in the both sides of housing forward end, and described left hand roller and right hand roller are provided with the pick tooth for cutting out coal cutting layer, and the angle of described left hand roller and the axis of right hand roller is less than 180 degree; It is characterized in that:
Described housing is narrow casing shape, and the front end of described housing is provided with the auris dextra shell of the left auricular concha of the left hand roller described in accommodation and the right hand roller described in accommodation; Described left auricular concha and the bottom of auris dextra shell are all provided with through hole;
In described housing, left and right auricular concha both can be provided with high-speed hydraulic motor and epicyclic transmission mechanism, become full hydraulic drive cutting units with left and right two drum-shape, also can be provided with break-in travelling gear and reducer, form traditional driven by power cutting units with left and right two cylinder.；
The rear portion of described housing is the coupling part of housing and coal-winning machine forearm; The side of described coupling part connects coal-winning machine forearm by square plate syndeton; The square mounting disc that described square plate syndeton comprises the side being cemented in described coupling part and the side flange be arranged on around square mounting disc, described coal-winning machine forearm is provided with square groove, and the wedge type chamfering being convenient to described square mounting disc be included in described square groove is arranged at the top of described quadrangle mounting disc; Described side flange is connected by screw described coal-winning machine forearm;
The backend arrangement of described coupling part can connect the end flanges of hydraulic pressure driver module or motor drive module, and there are the inner chamber and front and back through hole that pass through for fluid pressure line or power transmission shaft in described coupling part.
Preferably, described end flanges connects hydraulic pressure driver module, the inner chamber of described housing is equipped with fluid pressure line, by high-speed hydraulic motor, hydraulic energy transfer is become mechanical energy, then by epicyclic transmission mechanism, mechanical energy is delivered to left and right cylinder and carries out coal cutting work.
Or, described end flanges connects motor drive module, the inner chamber of described housing is equipped with motor transmission shaft, and electric energy conversion is become mechanical energy by power transmission shaft by motor, and mechanical energy is delivered to the driven by power form of the left and right sides by power transmission shaft again cylinder by reducer carries out coal cutting work.
Cutting units shell structure is for connecting the foundry goods of forearm and cylinder, and the place be connected with forearm adopts square plate to connect, and adopts face-flange to utilize bolt to be fixed.For avoiding cut blind area, the distance of the two cylinders pick tooth of front side is no more than certain distance, but needs the requirement of strength ensureing casing mechanism, and cylinder adopts non-coaxial form design, and namely on same cutting units, left and right two cylinder axis angles are less than 180 °.For meeting the layout needs of pipeline, casing structure needs hollow design, and front and back need to open hole, and casing structure has certain thickness, ensures enough intensity.For ease of line arrangement, and avoid coal dust to pile up in housing, need the below of the connection drum segment at casing to window.All need angle rounding at the tapping of casing mechanism, in case wearing and tearing pipe, shorten tube life-span.
Cutting units hydraulic driving mode adopts half-closed hydraulic-driven.High-speed hydraulic motor is through epicyclic transmission mechanism deceleration rear drive cutting drum.Hydraulic system can transmit very large energy, and the weight of equipment is less relative to other kinds of drive.Hydraulic principle scheme adopts half-closed hydraulic drive, can give full play to half-closed hydraulicefficiency high, easily realizes the advantage of stepless speed regulation, thus reduces calorific value, improves system economy and reliability.
Cutting units is a kind of comprehensive connected mode comprising square plate mounting structure (end face has wedge type chamfering structure), side flange syndeton and the rearmounted development method flange connection structure etc. that side connects with the connected mode of fuselage.Square plate syndeton is quadrilateral structure, and be convenient to processing, side has wedge type chamfering, exactly by square groove that square structure alignment machine connects with it when being convenient to install; Side flange connects, and connect and adopt screw-type, save very large space, centre leaves the channel space such as power transmission shaft, pipeline; After adopting side form to install, the end configuration expansion flange-interface of coupling part, belongs to Redundancy Design, facilitates the installation and removal of transmission gear for electric motor, fluid pressure line etc., exchange provide possibility for cutting units driven by power and hydraulic-driven.
The cutting units of full hydraulic drive has the features such as component size is little, lightweight, power density is large, and can save external high pressure cable, and control is more flexible, mechanism's reaction is sensitiveer.
Beneficial effect of the present invention is mainly manifested in: cutting units adopts square plate structure with the connected mode of fuselage, and anti-twisting property is larger; Square plate structure end adds wedge type chamfering, and is that side is installed, and total is installed and carries out than being easier to; Installing fixed form is that flange coordinates square plate structure installment, dismantles more convenient, is convenient to modularization and the generalization of mounting structure; Adopt the mode that side connects, rearmounted flange can be designed like this as general extension mounting interface, facilitate the installation of other structures such as motor, transmission device, this is Redundancy Design, coordinate the design in cutting units shell structure, the exchange of driven by power and hydraulic-driven form can be realized, be more applicable to the needs of Practical Project.Cylinder hydraulic driving mode transmits power by low-speed big torque motor through planetary reduction gear and realizes, hydraulic principle adopts half-closed hydraulic drive, can give full play to that half-closed hydraulicefficiency is high, volume and quality is little, easily realize the advantage of stepless speed regulation, thus minimizing calorific value, improve system economy and reliability.
Accompanying drawing explanation
Fig. 1 is visual angle, right side of the present invention.
Fig. 2 is visual angle, left side of the present invention.
Fig. 3 is cut away view of the present invention.
Fig. 4 is cut away view of the present invention.
Fig. 5 is square mounting groove structural model on coal-winning machine forearm.
Fig. 6 is the schematic diagram that the present invention is provided with hydraulic-driven module.
Fig. 7 is the schematic diagram that the present invention is provided with motor drive module.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described, with reference to accompanying drawing 1-7.
The technical solution adopted for the present invention to solve the technical problems detailed description of the invention illustrates for the cutting units of LMGC-800 hydraulic open-air coal-winning machine:
A kind of cutting units carrying out electricity and liquid driving exchange, comprise hollow housing, left hand roller 12 and right hand roller 12 are equipped with in the both sides of housing forward end, described left hand roller 12 and right hand roller 12 are provided with the pick tooth for cutting out coal cutting layer, and the angle of described left hand roller 12 and the axis of right hand roller 12 is less than 180 degree; It is characterized in that:
Described housing is narrow casing shape, and the front end of described housing is provided with the auris dextra shell 18 of the left auricular concha 18 of the left hand roller 12 described in accommodation and the right hand roller 12 described in accommodation; Described left auricular concha 18 and the bottom of auris dextra shell 18 are all provided with fenestra ovalis 14;
In described housing, left and right auricular concha both can be provided with high-speed hydraulic motor 16 and epicyclic transmission mechanism 15, form full hydraulic drive cutting units with left and right two cylinder 12, also can be provided with break-in travelling gear and reducer, form traditional driven by power cutting units with left and right two cylinder 12.
The rear portion of described housing is the coupling part of housing and coal-winning machine forearm 11; The side of described coupling part connects coal-winning machine forearm 11 by square plate syndeton; The square mounting disc 3 that described square plate syndeton comprises the side being cemented in described coupling part and the side flange 2 be arranged on around square mounting disc 3, described coal-winning machine forearm 11 is provided with square groove 10, and the wedge type chamfering 4 being convenient to described square mounting disc 3 be included in described square groove 10 is arranged at the top of described square mounting disc 3; Described side flange 2 is connected by screw described coal-winning machine forearm 11;
The backend arrangement of described coupling part can connect the end flanges 1 of hydraulic pressure driver module or motor drive module, and there are the inner chamber and front and back through hole 5 that pass through for fluid pressure line or power transmission shaft in described coupling part.
Preferably, described end flanges connects hydraulic pressure driver module 7, and the inner chamber of described housing is equipped with fluid pressure line 6.
Or described end flanges connects motor drive module 9, and the inner chamber of described housing is equipped with motor transmission shaft 8.
On cutting units, left and right two cylinder axis angles 13 (i.e. θ) are less than 180 °, the pick space width 17 of two cylinders front side so both can have been made (namely d) to be no more than certain distance, avoid cut blind area, in turn ensure that the requirement of strength of casing mechanism.Connect below drum segment and open fenestra ovalis 14, be both convenient to line arrangement, coal dust etc. can be avoided again to enter cylinder.At tapping all angle roundings of casing mechanism, in case wearing and tearing pipeline, add the life-span of fluid pressure line.
Hydraulically powered cutting units, the high-speed hydraulic motor 16 that external hydraulic system is drums inside provides power, then to slow down rear drive cutting drum through epicyclic transmission mechanism 15.Hydraulic principle scheme adopts half-closed hydraulic drive, can give full play to half-closed hydraulicefficiency high, easily realizes the advantage of stepless speed regulation, thus reduces calorific value, improves system economy and reliability.
This novel cutting units is arranged on by square mounting disc 3 above the square mounting groove 10 on coal-winning machine forearm 11, is then closely being fixed total with bolt by side flange 2, reaches high antitorque and high stability two project.Cutting units housing parts is hollow structure, through hole is left in front and back, rear side is designed to general end flanges 1, hydraulic installalion block 7 can be installed, also can mounted motor mounting blocks 9, the cylinder that power can be passed to coal-winning machine by the front and back through hole 5 of new structure by fluid pressure line 6 and motor transmission shaft 8 carries out coal cutting work.
Square mounting disc 3 is that square ways is installed with the installation of square mounting groove 10, and such born moment of torsion all can be transformed in square mounting disc, makes anti-twisting property more antitorque than simple bolt much bigger like this.Square installation wants to realize reasonable tangential stability, just necessarily requires square structure to have relatively high machining accuracy, and the high difficulty that will increase installation assembling of machining accuracy.For this reason, do the angle of wedge at the end face of square mounting structure, by the guide effect of wedge type chamfering 4 during installation, easily square mounting disc 3 is loaded square mounting groove 10.Due to employing is side installation form, and this structure also exists axial stability problem, and for this reason, we devise side flange 2 on square mounting disc side and are connected with forearm 11, and total will be made like this to have very strong stability.Rearmounted end flanges 1 is more common, and the exchange being applicable to hydraulic-driven module 7 and motor drive module 9 is installed, and installation and removal are all more convenient.Square mounting disc 3 and rearmounted end flanges 1, all more commonization are a kind of structures of carrying out electricity and liquid driving exchange.
Content described in this manual embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also forgiven those skilled in the art and conceived the equivalent technologies means that can expect according to the present invention.
Claims (3)
1. can carry out the winning machine cutting part of motor and hydraulic-driven exchange, comprise hollow housing, left hand roller and right hand roller are equipped with in the both sides of housing forward end, described left hand roller and right hand roller are provided with the pick tooth for cutting out coal cutting layer, and the angle of described left hand roller and the axis of right hand roller is less than 180 degree; It is characterized in that:
Described housing is narrow casing shape, and the front end of described housing is provided with the auris dextra shell of the left auricular concha of the left hand roller described in accommodation and the right hand roller described in accommodation; Described left auricular concha and the bottom of auris dextra shell are all provided with fenestra ovalis;
In described housing, left and right auricular concha both can be provided with high-speed hydraulic motor and epicyclic transmission mechanism, became full hydraulic drive cutting units with left and right two drum-shape; Or, be provided with break-in travelling gear and reducer, form traditional driven by power cutting units with left and right two cylinder;
The rear portion of described housing is the coupling part of housing and coal-winning machine forearm; The side of described coupling part connects coal-winning machine forearm by square plate syndeton; The square mounting disc that described square plate syndeton comprises the side being cemented in described coupling part and the side flange be arranged on around square mounting disc, described coal-winning machine forearm is provided with square groove, and the wedge type chamfering being convenient to described square mounting disc be included in described square groove is arranged at the top of described square mounting disc; Described side flange is connected by screw described coal-winning machine forearm;
The backend arrangement of described coupling part can connect the end flanges of hydraulic pressure driver module or motor drive module, and there are the inner chamber and front and back through hole that pass through for fluid pressure line or power transmission shaft in described coupling part.
2. cutting units as claimed in claim 1, is characterized in that: described end flanges connects hydraulic pressure driver module, and the inner chamber of described housing is equipped with fluid pressure line.
3. cutting units as claimed in claim 1, is characterized in that: described end flanges connects motor drive module, and the inner chamber of described housing is equipped with motor transmission shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410400219.0A CN104213916B (en) | 2014-08-13 | 2014-08-13 | The winning machine cutting part of motor and hydraulic-driven exchange can be carried out |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410400219.0A CN104213916B (en) | 2014-08-13 | 2014-08-13 | The winning machine cutting part of motor and hydraulic-driven exchange can be carried out |
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| CN104213916A CN104213916A (en) | 2014-12-17 |
| CN104213916B true CN104213916B (en) | 2016-04-13 |
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| CN108663968B (en) * | 2018-04-28 | 2020-07-14 | 北京航天控制仪器研究所 | Unmanned ship multifunctional power system control method, device and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU613087B2 (en) * | 1987-09-10 | 1991-07-25 | Anderson Group Plc | Ranging drum shearers |
| PL157321B1 (en) * | 1988-04-21 | 1992-05-29 | Polmag | The arm mechanical coal miner provided with crusher |
| CN201560761U (en) * | 2009-11-20 | 2010-08-25 | 浦国树 | Open-driving hydraulic traction coal mining machine |
| CN201661296U (en) * | 2010-08-16 | 2010-12-01 | 鸡西煤矿机械有限公司 | C-shaped coal mining machine cutting part |
| CN102777173A (en) * | 2012-08-10 | 2012-11-14 | 江苏中机矿山设备有限公司 | Cantilever type electric traction coal cutter |
| CN103527188A (en) * | 2013-09-30 | 2014-01-22 | 中煤集团山西金海洋能源有限公司 | Alternating current dual roller traction coal cutter |
| CN103967490A (en) * | 2014-05-27 | 2014-08-06 | 重庆大学 | Hydraulic hybrid power cutting drive system of coal cutter |
-
2014
- 2014-08-13 CN CN201410400219.0A patent/CN104213916B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU613087B2 (en) * | 1987-09-10 | 1991-07-25 | Anderson Group Plc | Ranging drum shearers |
| PL157321B1 (en) * | 1988-04-21 | 1992-05-29 | Polmag | The arm mechanical coal miner provided with crusher |
| CN201560761U (en) * | 2009-11-20 | 2010-08-25 | 浦国树 | Open-driving hydraulic traction coal mining machine |
| CN201661296U (en) * | 2010-08-16 | 2010-12-01 | 鸡西煤矿机械有限公司 | C-shaped coal mining machine cutting part |
| CN102777173A (en) * | 2012-08-10 | 2012-11-14 | 江苏中机矿山设备有限公司 | Cantilever type electric traction coal cutter |
| CN103527188A (en) * | 2013-09-30 | 2014-01-22 | 中煤集团山西金海洋能源有限公司 | Alternating current dual roller traction coal cutter |
| CN103967490A (en) * | 2014-05-27 | 2014-08-06 | 重庆大学 | Hydraulic hybrid power cutting drive system of coal cutter |
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