CN107288635A - Functional module combined type coal-winning machine - Google Patents
Functional module combined type coal-winning machine Download PDFInfo
- Publication number
- CN107288635A CN107288635A CN201710328022.4A CN201710328022A CN107288635A CN 107288635 A CN107288635 A CN 107288635A CN 201710328022 A CN201710328022 A CN 201710328022A CN 107288635 A CN107288635 A CN 107288635A
- Authority
- CN
- China
- Prior art keywords
- frame
- rocking arm
- chamber
- flame proof
- drawn cage
- Prior art date
- 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.)
- Pending
Links
- 238000005086 pumping Methods 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 230000008602 contraction Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Jib Cranes (AREA)
Abstract
The invention belongs to coal-winning machine equipment technical field, specifically a kind of functional module combined type coal-winning machine.Be connected the respectively drawn cage in left side and the left drawn cage chamber and pumping station system chamber of pumping plant are set in left frame；Intermediate stand is provided with the flame proof junction box's chamber for the flame proof junction box that is connected；Right frame is provided with the flame proof control cabinet chamber and right drawn cage chamber of the drawn cage of be connected respectively flame proof control cabinet and right side；Arranged on left and right sides is heightened heighten oil cylinder hinge hole suspension of the oil cylinder respectively with left frame and right frame and is hinged；Left rocking arm and right rocking arm are located at fuselage two ends, and the right rocking arm hinged ear suspension with the left rocking arm hinged ear and right frame of left frame respectively is hinged, and left rocking arm and right rocking arm are by heightening the extension and contraction control of oil cylinder, left rocking arm and right the rocking arm rotation and lifting centered on hinged ear.The present invention realizes the functional module modular design assembling of coal-winning machine, and repair and maintenance is conveniently, safely.
Description
Technical field
The invention belongs to coal-winning machine equipment technical field, specifically a kind of functional module combined type coal-winning machine.
Background technology
Coal-winning machine is mainly supported the use with face conveyor, hydraulic support, belt conveyer etc., in longwall coal-getter
Make face and realize the do mechanization operation adopting, fill, transporting.Coal-winning machine end face and with the supporting situation of face conveyor.
Coal-winning machine is made up of following several parts：
Cutting units：It is made up of left and right roller, left and right rocking arm, is coal cutting and the coal-loading mechanism of coal-winning machine.Left and right rocking arm, which is located at, mines
Machine two ends, are hinged with fuselage suspension, by heightening the extension and contraction control of oil cylinder, are lifted by the centre of gyration of hinge pin, will to adapt to mining height
Ask；The lifting of rocking arm makes cutting drum be maintained at appropriate operating position.
Tractive unit：Draw and constitute outside left and right drawn cage, left and right, be the walking mechanism of coal-winning machine.With electrical control
Case constitutes the fuselage of coal-winning machine, and left and right traction casing is asymmetric steel-casting；
Electric control box：Using integral plate welding casing structure, it is the significant components for constituting fuselage, controls the core of coal-winning machine
Part.With flame proof function, the power supply for completing coal-winning machine is introduced and distributed, and supplies electricity to each motor, transformer and control element；It is complete
Into the control and monitoring of coal-winning machine, output control signal.
Pumping plant：By Electric Machine at Pumping Station, heighten pump, fuel tank, valve group assembling, cooler, filter, accumulator etc. and constitute, be located at
The right side of the left traction casing of coal-winning machine, is changed into mechanical energy by hydraulic energy, power is provided for radial up-down, while being tractive unit
Brake provides control oil.
Accessory：Including spray cooling system, auxiliary hydraulic system and backplate tool system, to cool down and spray drop
Dirt, realizes oil circuit connection, drags cable, protection body etc..
There is problems with traditional coal-winning machine：Left and right Traction Drive casing is steel-casting, design and processed complex, with shaking
Arm, electric control box, heighten oil cylinder, the connection package size of transporter is relatively fixed, and coal-winning machine has been limited to significantly to working face
The adaptability of condition and corollary equipment.In order to adapt to the height and width of supporting different transporters, it is necessary to redesign and change
Casting mould, design, manufacturing cycle length, cost are high.
Electric control box be Integral Steel plate weld body structure, be both the significant components of fuselage, again ensure have every
Quick-fried function, requires strict in terms of the intensity, rigidity, vibrationproof of casing, and design production difficulty is big, cost is high.
The content of the invention
In order to solve the above-mentioned technical problem there is provided functional module combined type coal-winning machine by the present invention.
The present invention takes following technical scheme：A kind of functional module combined type coal-winning machine, including the cylinder that rolls left, left rocking arm, a left side
Frame, intermediate stand, right frame, right roller, right rocking arm, drawn cage, outer traction, explosion insulation connecting line cavity and flame proof control cabinet,
Pumping plant and heighten oil cylinder；Left frame intermediate stand and right frame are frame-type steel plate weldment, two-by-two connection fastening composition frame；
Be connected the respectively drawn cage in left side and the left drawn cage chamber and pumping station system chamber of pumping plant are set in left frame
Room；Intermediate stand is provided with the flame proof junction box's chamber for the flame proof junction box that is connected；Right frame is provided with to be connected respectively
The flame proof control cabinet chamber and right drawn cage chamber of flame proof control cabinet and the drawn cage on right side；Arranged on left and right sides is led outside
Draw and be connected and fixed on respectively on left frame and right frame, realize the power connector with drawn cage, driving complete machine traction walking；
Arranged on left and right sides is heightened heighten oil cylinder hinge hole suspension of the oil cylinder respectively with left frame and right frame and is hinged；Left rocking arm and right rocking arm
Positioned at fuselage two ends, the right rocking arm hinged ear suspension with the left rocking arm hinged ear and right frame of left frame respectively is hinged, left rocking arm
With right rocking arm by heightening the extension and contraction control of oil cylinder, left rocking arm and right the rocking arm rotation and lifting centered on hinged ear.
Described left frame, intermediate stand and right frame is frame-type steel plate weldment；Left frame its right end face and centre
Frame left end face, it is fixed using large-diameter circular pin or dovetail groove drift between intermediate stand its right end face and right frame left-hand end
Position, and using high-strength bolt pair connection fastening composition frame.This is three stage structure；Other frame can be according to fuselage intensity
With transport installation dimension requirement, two-part or monolithic construction are designed as.
Described left drawn cage chamber and right drawn cage chamber structure specular；It is right above and below drawn cage
Claim design, oiling joint and porous plug are exchanged into upper-lower position during installation, 180 ° of vertical rotary realizes right and left mutually changing；
The top and bottom of drawn cage have been arranged symmetrically the first groove, the second groove and the 3rd groove, left drawn cage chamber and the right side
The first locating piece corresponding with the first groove, the second groove and the 3rd groove, the second locating piece are provided with drawn cage chamber
With the 3rd locating piece, determined respectively with the first locating piece, the second locating piece and the 3rd by the first groove, the second groove and the 3rd groove
Position block, which is contacted over, ensures its upper-lower position size；Drawn cage is led with a left side with eccentric nut by 6 studs again after positioning
Draw transmission case chamber to fix with right drawn cage chamber.
Described drawn cage, pumping plant, flame proof junction box and flame proof control cabinet drawer type loads and is fixed on left frame
The corresponding chamber of intermediate stand and right frame.It is pipeline connection between each part, is connected without machine power with transmitting, it is to avoid
The casing stress deformation of each functional part.
A kind of frame is devised, several chambers, drawn cage, explosion insulation connecting line cavity, flame proof control are opened wide in mined out side
The functional part such as case and pumping plant drawer type loads and is connected and fixed on corresponding chambers；According to different demands, design and assembly are different
The frame of specification performance and each functional part, realize the function modoularization design and producing in serial form of coal-winning machine, greatly improve
The market adaptability of coal-winning machine.
Compared with prior art, the invention has the advantages that：
A, a kind of functional module combined type coal-winning machine is invented, opened wide several chambers in the mined out side of fuselage, each functional module is equal
Individually it can load or split out from the mined out side of coal-winning machine, realize the functional module modular design assembling of coal-winning machine, repair and maintenance
Conveniently, safely.
B, a kind of frame is invented, be frame-type welded-steel plate construction, can be designed as three-stage, two-part or entirety
Formula, intensity is big, rigidity is good；The personalized designs of the supporting size for connection of fuselage are realized, the simple in construction, cycle is short, greatly promotes
Coal-winning machine is to working face condition and the adaptability of transportation in assembled state machine.
C, cutting units, tractive unit, electric control box, heighten oil cylinder etc. and can be configured with separate modularization and designed, improve each
Adaptability, interchangeability and the reliability of part, are conducive to the producing in serial form of coal-winning machine functional part, greatly improve coal-winning machine
Market adaptability.
There is no machine power to connect and transmit in d, frame between each part, all cutting counter-forces, tractive force, branch on coal-winning machine
Load and guide effect power are born by mainframe, improve complete machine and the stability and reliability of part.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is rack construction schematic diagram；
Fig. 3 is Fig. 2 top view；
Fig. 4 is drawn cage top view；
Fig. 5 is drawn cage front view；
1- rolls left cylinder in figure；The left rocking arms of 2-；3- left frames；4- intermediate stands；The right frames of 5-；The right rollers of 6-；The right rocking arms of 7-；8- is led
Draw transmission case；Drawn outside 9-；10- flame proof junction boxes；11- flame proof control cabinets；12- pumping plants；13- heightens oil cylinder；The left rocking arm hinges of A-
Lug, the left drawn cage chambers of B-, C- pumping station system chambers, D- flame proof junction box's chambers, E- flame proof control cabinet chambers, F- is right
Drawn cage chamber, the right rocking arm hinged ears of G-, H- heightens oil cylinder hinge hole, the locating pieces of J- first, the locating pieces of K- second, L-
Three locating pieces, the grooves of I- first, the grooves of II- second, the grooves of III- the 3rd.
Embodiment
As shown in figure 1, a kind of functional module combined type coal-winning machine, including the cylinder 1 that rolls left, left rocking arm 2, left frame 3, middle machine
Frame 4, right frame 5, right roller 6, right rocking arm 7, drawn cage 8, outer traction 9, explosion insulation connecting line cavity 10 and flame proof control cabinet 11, pump
Stand and 12 and heighten oil cylinder 13；The intermediate stand 4 of left frame 3 and right frame 5 are frame-type steel plate weldment, two-by-two connection fastening composition
Frame；Set in left frame 3 be connected respectively the drawn cage 8 in left side and the left drawn cage chamber B of pumping plant 12 and
Pumping station system cavity C；Intermediate stand 4 is provided with the flame proof junction box's chamber D for the flame proof junction box 10 that is connected；Right frame 5 is set
It is equipped with the flame proof control cabinet chamber E and right Traction Drive of the drawn cage 8 of be connected respectively flame proof control cabinet 11 and right side
Case chamber F；Traction 9 is connected and fixed on left frame 3 and right frame 5 respectively outside arranged on left and right sides, is realized and drawn cage 8
Power connector, driving complete machine traction walking；Arranged on left and right sides heightens oil cylinder 13 and heightens oil cylinder with left frame 3 and right frame 5 respectively
Hinge hole H suspensions are hinged；Left rocking arm 2 and right rocking arm 7 are located at fuselage two ends, respectively with the left rocking arm hinged ear A of left frame 3 and the right side
The right rocking arm hinged ear G suspensions of frame 5 are hinged, and left rocking arm 2 and right rocking arm 7 are by heightening the extension and contraction control of oil cylinder 13, left rocking arm 2
With the right rotation and lifting centered on hinged ear of rocking arm 7.
Left frame 3, intermediate stand 4 and right frame 5 are frame-type steel plate weldment；Its right end face of left frame 3 and middle machine
The left end face of frame 4, uses large-diameter circular pin or dovetail groove drift between its right end face of intermediate stand 4 and the left-hand end of right frame 5
Positioning, and using high-strength bolt pair connection fastening composition frame.
Left drawn cage chamber B and right drawn cage chamber F structure speculars；The top and bottom of drawn cage 8
It has been arranged symmetrically the first groove I, the second groove II and the 3rd groove III, left drawn cage chamber B and right drawn cage chamber
It is provided with the F of room and the first groove I, the second groove II and the corresponding first locating piece J of the 3rd groove III, the second locating piece K and the
Three locating piece L, by the first groove I, the second groove II and the 3rd groove III respectively with the first locating piece J, the second locating piece K and
Three locating piece L, which are contacted over, ensures its upper-lower position size；After positioning again by 6 stud eccentric nuts by drawn cage with
Left drawn cage chamber B is fixed with right drawn cage chamber F.
Drawn cage 8, pumping plant 12, flame proof junction box 10 and the drawer type of flame proof control cabinet 11 load and are fixed on left frame
The corresponding chamber of 3 intermediate stands 4 and right frame 5.
For different operating mode and complementary conditions, the adaptable personalized frame of design easily realizes fuselage height, width
Degree, outer traction connection, rocking arm and heighten the adjustment that oil cylinder such as is hinged at the structure connection；By corresponding functional module：Draw reduction box
（Right and left mutually changing）, pumping plant, flame proof junction box, flame proof control cabinet, accessory etc., be mounted in rack framework, connection letter
It is single, maintain easily, realize the modular configuration design assembling of coal-winning machine, improve the adaptability of each part, interchangeability and can
By property, be conducive to the producing in serial form of coal-winning machine functional part, greatly improve the market adaptability of coal-winning machine；Each part in frame
Between do not have machine power connect and transmit, all cutting counter-forces of coal-winning machine, tractive force, supporting force and guide effect power are by machine
Frame is born, and improves complete machine and the stability and reliability of part.
Claims (4)
1. a kind of functional module combined type coal-winning machine, it is characterised in that：Including the cylinder that rolls left（1）, left rocking arm（2）, left frame（3）、
Intermediate stand（4）, right frame（5）, right roller（6）, right rocking arm（7）, drawn cage（8）, outer traction（9）, explosion insulation connecting line cavity
（10）With flame proof control cabinet（11）, pumping plant（12）With heighten oil cylinder（13）；Left frame（3）Intermediate stand（4）With right frame（5）For
Frame-type steel plate weldment, two-by-two connection fastening constitutes frame；Left frame（3）The interior traction for setting the left side that is connected respectively is passed
Dynamic case（8）And pumping plant（12）Left drawn cage chamber（B）With pumping station system chamber（C）；Intermediate stand（4）It is provided with connection
Fixed flame proof junction box（10）Flame proof junction box's chamber（D）；Right frame（5）It is provided with the flame proof control cabinet that is connected respectively
（11）With the drawn cage on right side（8）Flame proof control cabinet chamber（E）With right drawn cage chamber（F）；Outside arranged on left and right sides
Traction（9）Left frame is connected and fixed on respectively（3）With right frame（5）On, realize and drawn cage（8）Power connector, drive
Dynamic complete machine traction walking；Arranged on left and right sides heightens oil cylinder（13）Respectively with left frame（3）With right frame（5）Oil cylinder of heightening be hinged
Hole（H）Suspension is hinged；Left rocking arm（2）With right rocking arm（7）Positioned at fuselage two ends, respectively with left frame（3）Left rocking arm hinged ear
（A）With right frame（5）Right rocking arm hinged ear（G）Suspension is hinged, left rocking arm（2）With right rocking arm（7）By heightening oil cylinder（13）
Extension and contraction control, left rocking arm（2）With right rocking arm（7）The rotation and lifting centered on hinged ear.
2. frame according to claim 1, it is characterised in that：Described left frame（3）, intermediate stand（4）With right frame
（5）For frame-type steel plate weldment；Left frame（3）Its right end face and intermediate stand（4）Left end face, intermediate stand（4）Right side
End face and right frame（5）Positioned between left-hand end using large-diameter circular pin or dovetail groove drift, and use high-strength bolt pair
Connection fastening composition frame.
3. functional module combined type coal-winning machine according to claim 2, it is characterised in that:Described left drawn cage chamber
Room（B）With right drawn cage chamber（F）Structure specular；Drawn cage（8）To be arranged symmetrically first recessed for top and bottom
Groove（Ⅰ）, the second groove（Ⅱ）With the 3rd groove（Ⅲ）, left drawn cage chamber（B）With right drawn cage chamber（F）Inside set
Have and the first groove（Ⅰ）, the second groove（Ⅱ）With the 3rd groove（Ⅲ）Corresponding first locating piece（J）, the second locating piece（K）With
3rd locating piece（L）, by the first groove（Ⅰ）, the second groove（Ⅱ）With the 3rd groove（Ⅲ）Respectively with the first locating piece（J）,
Two locating pieces（K）With the 3rd locating piece（L）It is contacted over and ensures its upper-lower position size；It is eccentric by 6 studs again after positioning
Nut is by drawn cage and left drawn cage chamber（B）With right drawn cage chamber（F）It is fixed.
4. functional module combined type coal-winning machine according to claim 3, it is characterised in that：Described drawn cage（8）、
Pumping plant（12）, flame proof junction box（10）With flame proof control cabinet（11）Drawer type loads and is fixed on left frame（3）Intermediate stand（4）
With right frame（5）Corresponding chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328022.4A CN107288635A (en) | 2017-05-11 | 2017-05-11 | Functional module combined type coal-winning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328022.4A CN107288635A (en) | 2017-05-11 | 2017-05-11 | Functional module combined type coal-winning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107288635A true CN107288635A (en) | 2017-10-24 |
Family
ID=60095110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710328022.4A Pending CN107288635A (en) | 2017-05-11 | 2017-05-11 | Functional module combined type coal-winning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107288635A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905784A (en) * | 2017-12-19 | 2018-04-13 | 江苏鸡煤机械制造有限公司 | A kind of reinforced coal mining mechanism of stable connection |
| CN114278285A (en) * | 2021-12-31 | 2022-04-05 | 太原国科矿山智能装备有限公司 | Method for connecting rocker arm and bracket of coal mining machine |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1481917A (en) * | 1974-05-28 | 1977-08-03 | Eickhoff Geb | Drum cutter loader mining machines |
| US4155598A (en) * | 1976-12-23 | 1979-05-22 | Dresser Europe S.A. | Longwall mining machine |
| AU610454B1 (en) * | 1990-03-02 | 1991-05-16 | Mistui Miike Machinery Co., Ltd. | Three-drum shearer having a working height controller |
| CN2731101Y (en) * | 2004-07-26 | 2005-10-05 | 兖矿集团有限公司 | Split main frame connection mechanism for coal cutter |
| CN201588628U (en) * | 2010-01-08 | 2010-09-22 | 河北天择重型机械有限公司 | Low seam electric traction coal mining machine |
| CN102061913A (en) * | 2010-11-09 | 2011-05-18 | 卫建清 | Modularized coal mining machine |
| CN202017488U (en) * | 2011-03-15 | 2011-10-26 | 太原矿山机器集团有限公司 | Electric traction coal mining machine powered by using high voltage of 6,000V |
| CN102865072A (en) * | 2012-08-28 | 2013-01-09 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Eight-meter large-mining-height coal mining machine |
| CN204703896U (en) * | 2014-12-31 | 2015-10-14 | 太重煤机有限公司 | Broken hammer hydraulic shock coal-winning machine and hydraulic system thereof |
| CN204887837U (en) * | 2015-07-16 | 2015-12-16 | 樊一 | Explosion -proof type hoist electric cabinet for coal mine |
| CN105940188A (en) * | 2014-02-07 | 2016-09-14 | 卡特彼勒环球矿业欧洲有限公司 | Shearer loader for underground mining with bearing units within mainframe |
| CN205858340U (en) * | 2016-07-14 | 2017-01-04 | 太重煤机有限公司 | A kind of coal-winning machine mainframe attachment structure |
| CN206903658U (en) * | 2017-05-11 | 2018-01-19 | 太重煤机有限公司 | Functional module combined type coal-winning machine |
-
2017
- 2017-05-11 CN CN201710328022.4A patent/CN107288635A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1481917A (en) * | 1974-05-28 | 1977-08-03 | Eickhoff Geb | Drum cutter loader mining machines |
| US4155598A (en) * | 1976-12-23 | 1979-05-22 | Dresser Europe S.A. | Longwall mining machine |
| AU610454B1 (en) * | 1990-03-02 | 1991-05-16 | Mistui Miike Machinery Co., Ltd. | Three-drum shearer having a working height controller |
| CN2731101Y (en) * | 2004-07-26 | 2005-10-05 | 兖矿集团有限公司 | Split main frame connection mechanism for coal cutter |
| CN201588628U (en) * | 2010-01-08 | 2010-09-22 | 河北天择重型机械有限公司 | Low seam electric traction coal mining machine |
| CN102061913A (en) * | 2010-11-09 | 2011-05-18 | 卫建清 | Modularized coal mining machine |
| CN202017488U (en) * | 2011-03-15 | 2011-10-26 | 太原矿山机器集团有限公司 | Electric traction coal mining machine powered by using high voltage of 6,000V |
| CN102865072A (en) * | 2012-08-28 | 2013-01-09 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Eight-meter large-mining-height coal mining machine |
| CN105940188A (en) * | 2014-02-07 | 2016-09-14 | 卡特彼勒环球矿业欧洲有限公司 | Shearer loader for underground mining with bearing units within mainframe |
| CN204703896U (en) * | 2014-12-31 | 2015-10-14 | 太重煤机有限公司 | Broken hammer hydraulic shock coal-winning machine and hydraulic system thereof |
| CN204887837U (en) * | 2015-07-16 | 2015-12-16 | 樊一 | Explosion -proof type hoist electric cabinet for coal mine |
| CN205858340U (en) * | 2016-07-14 | 2017-01-04 | 太重煤机有限公司 | A kind of coal-winning machine mainframe attachment structure |
| CN206903658U (en) * | 2017-05-11 | 2018-01-19 | 太重煤机有限公司 | Functional module combined type coal-winning machine |
Non-Patent Citations (1)
| Title |
|---|
| 苗艳才: "新型大采高采煤机设计" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905784A (en) * | 2017-12-19 | 2018-04-13 | 江苏鸡煤机械制造有限公司 | A kind of reinforced coal mining mechanism of stable connection |
| CN107905784B (en) * | 2017-12-19 | 2018-11-27 | 江苏鸡煤机械制造有限公司 | A kind of reinforced coal mining mechanism of stable connection |
| CN114278285A (en) * | 2021-12-31 | 2022-04-05 | 太原国科矿山智能装备有限公司 | Method for connecting rocker arm and bracket of coal mining machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201588628U (en) | Low seam electric traction coal mining machine | |
| CN107288635A (en) | Functional module combined type coal-winning machine | |
| CN101302930A (en) | Three-cylinder coal cutter | |
| CN206903658U (en) | Functional module combined type coal-winning machine | |
| CN201284650Y (en) | Creeping baseboard chain hauled shearer | |
| CN110761788A (en) | Coal mining machine for fully mechanized mining face of extra-thick coal seam | |
| CN110773276A (en) | Modular impact crusher | |
| CN101322981A (en) | Vertical roller mill with side shifting roll-changer | |
| CN201941227U (en) | Elevating device for upper case of solar cell component laminator | |
| CN202016247U (en) | Lifting device for upper box body of solar battery component laminating machine | |
| CN209109843U (en) | Bar jointing structure in short stress path rolling mill | |
| CN105398952B (en) | A kind of finished product is laid bricks fixture | |
| CN117868817A (en) | Integral frame type machine body structure of coal mining machine | |
| CN203796262U (en) | Coal cutter rocker arm shell | |
| CN210305590U (en) | Cold heading mould for jack rod | |
| CN208897898U (en) | Suspension chain transmission line | |
| CN109436110A (en) | It is a kind of can quick-assembling sandwich style caterpillar robot | |
| CN217206435U (en) | H-shaped cutting device and high-power thin coal seam coal mining machine | |
| CN113548387A (en) | Conveying chain of small-size shaft sleeve | |
| CN201881055U (en) | Frame of laser cutting bed | |
| CN204661094U (en) | Gear ring integral type traction sheave | |
| CN108975004A (en) | A kind of lifting device of cardboard transport | |
| CN210264688U (en) | Bat type main frame connecting and fastening device of electric traction coal mining unit | |
| CN208593383U (en) | A kind of lithium-ions battery monorail crane locomotive and its host | |
| CN204220622U (en) | Vertical roller mill system adds roller box structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |