CN201460890U - Speed-changing excavator - Google Patents
Speed-changing excavator Download PDFInfo
- Publication number
- CN201460890U CN201460890U CN200920104330XU CN200920104330U CN201460890U CN 201460890 U CN201460890 U CN 201460890U CN 200920104330X U CN200920104330X U CN 200920104330XU CN 200920104330 U CN200920104330 U CN 200920104330U CN 201460890 U CN201460890 U CN 201460890U
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Abstract
The utility model discloses a speed-changing excavator which comprises an excavator body, a coal mining device and a coal conveying device, wherein the coal mining device comprises a coal cutting device, a cutting arm connected with the coal cutting device and a connecting frame connected with the excavator body; a speed-changing device which is connected with a drive machine and comprises a speed-changing mechanism and a speed-reducing mechanism is arranged between the cutting arm and the connecting frame; a box body and an output shaft of the speed-changing mechanism are connected with a box body and an input shaft of a speed reducer; the speed-changing mechanism is provided with three classes of gear-shifting and speed-changing mechanisms; and the speed-changing device can also be an automatic speed-changing device. The utility model can change the rotating speed of the coal cutting device according to the soft and hard condition of a coal layer, at least realizes three-class speed change, can realize three working states of low speed, normal speed and high speed in a simple structure and greatly improves the application range of the excavator and the working efficiency.
Description
Technical field
The utility model relates to the machinery that uses in a kind of colliery, refers in particular to a kind of development machine of coal seam.
Background technology
The development machine of minings such as colliery driving usefulness generally comprises body, coal mining device and defeated device for coal, and coal mining device and defeated device for coal are connected on the body.Body comprises body, drives the running gear of whole development machine walking.Running gear generally is self-propelled crawler belt, and body is installed in above the self-propelled crawler belt.Body is included as dynamic power machine and the maneuver control device that various parts improve power.The coal mining device be installed in body front end above, the coal mining device comprises a cutting arm that can move up and down and is installed in the device for coal of cutting of cutting arm front portion.Cut the cutterhead that device for coal is generally rotation, cutterhead has various ways such as drill bit form, milling cutter form etc.The structure of the coal mining device of present development machine generally is that the front end at body is equipped with hitch, has connected reducer on the hitch, and the reducer front connects cutterhead by cutting arm; Be provided with the oscillating cylinder that the coal mining device is moved up and down between hitch and the body, reducer links to each other with cutting motor, cutting motor be installed in hitch below.The rotating speed of the power of cutting motor output definite value of formation after reducer slows down passes to the cutterhead of coal mining device.In rich coal resources in China, widely distributed, but the Geological Structure in Coal Mine complexity, the colliery underworkings often has hard lithosphere (being called as tomography) and replaces situation about occurring with soft seam.Development machine is under carrying out coal mine during the roadway opening operation, cut device for coal and can meet with the situation that tomography and soft seam alternately occur, hard when soft during the coal seam, development machine is meeting under the tomography situation, the coal seam that is cut work plane is very hard, and the device for coal of cutting of present development machine still rotates this moment at a relatively high speed, can damage like this and cut device for coal, the wearing and tearing that device for coal is cut in aggravation, development machine can't operate as normal; And when soft seam tunnels since the rotating speed of cutting device for coal of development machine be according to the comprehensive condition design can not speed change, still with lower fixed speed rotation, therefore can not improve driving speed, still make drivage efficiency remain on lower level.
The utility model content
The utility model technical issues that need to address provide a kind of speed change development machine, can change the rotary speed of cutting device for coal according to the soft or hard situation in coal seam.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of speed change development machine, comprise body, coal mining device and defeated device for coal, the coal mining device comprises to be cut device for coal, connects and to cut the cutting arm of device for coal, the hitch that is connected with body, is provided with the speed change gear that comprises gear and reducing gear that links to each other with driving device between cutting arm and hitch.
Further concrete structure of the present utility model is: the gear of speed change gear and reducing gear are gearbox and reducer, and gearbox and reducer are split connected mode or the mode of making one.
Further concrete structure of the present utility model is: speed change gear is the wherein a kind of of automatic transimission or manual gear shifting.
Further improvement of the utility model is: described gearbox is a manual transmission, and reducer is a planetary reduction gear, and manual transmission is controlled on the console that handle is arranged on body.
The further concrete structure of manual transmission of the present utility model is: described manual transmission comprises casing, power shaft is set in the casing, output shaft and jackshaft, power shaft and output shaft are positioned on same the axis, driving gear is set on the power shaft, output shaft is provided with the duplex power shift gear of the slip that is connected with selector fork, the endoporus place of duplex power shift gear is provided with the internal gear that cooperates with driving gear, selector fork is connected with gear shift operating rod, two idler gears that jackshaft is provided with driven gear and cooperates with two external gear pumps of duplex power shift gear, the casing of gearbox and output shaft link to each other with the casing and the power shaft of planetary reduction gear.
Further improvement of the utility model is: be provided with the oscillating cylinder that the coal mining device is moved up and down between described hitch and the body.
Owing to adopted technique scheme, the obtained technological progress of the utility model is:
The coal mining device of development machine of the present utility model has comprised speed change gear, and speed change gear comprises gearbox and reducer two parts.If when running into hard formation, can make development machine cut device for coal and under lower-speed state, move in the tunneling process, cut the moment of torsion of the cutterhead of device for coal, strengthen development machine and crossed the tomography ability with increase; If meet soft seam, cutting device for coal and then can moving under fast state of development machine promoted the driving speed of development machine greatly, improved production efficiency.The utility model can change the rotary speed of cutting device for coal according to the soft or hard situation in coal seam, has promoted the scope of application of development machine greatly.
Automatic gear-box can simplify the operation according to actual geological condition speed change, improves the compliance of development machine in the roadway opening process.Manual transmission simple in structure, in light weight, it is lighter and handier to be installed in cutting arm.The duplex power shift gear of pore area gear in manual transmission is arranged to install on the output shaft, they respectively with driving gear and jackshaft on the idler gear of gearshift usefulness cooperate, can realize three grades of level speed changes, and structure is very simple, just can realize low speed, normal, at a high speed three kinds of duties with simple structure.Oscillating cylinder can make the swing of cutting arm upper and lower, left and right, realizes comprehensive operation.
Description of drawings
Fig. 1 is the overall structure sketch of development machine of the present utility model;
Fig. 2 is the structure diagram of manual transmission of the present utility model.
Wherein: 1, cutterhead, 2, cutting arm, 3, planetary reduction gear, 4, gearbox, 5, hitch, 6, oscillating cylinder, 7, body, 8, crawler belt, 9, defeated device for coal, 10, cutting motor.
40, casing, 41, idler gear, 42, the duplex power shift gear, 43, jackshaft, 45, output shaft, 46, driven gear, 47, driving gear, 48, power shaft, 49, selector fork.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
A kind of speed change development machine, comprise body and be installed in coal mining device and defeated device for coal 9 on the body, body comprises body 7 and is installed in running gear below the body that running gear is self-propelled crawler belt 8, dynamic power machine is installed on the body 7, handles control machinery.The coal mining device comprises cutterhead 1, cutting arm 2, planetary reduction gear 3, gearbox 4, the hitch 5 that connects successively.Hitch 5 is installed on the body 7 of body, below hitch 5 and the right side be provided with oscillating cylinder 6, oscillating cylinder 6 drive whole coal mining device realize about, about wobbling action.Hitch 5 front ends connect gearbox 4, and the front of gearbox 4 connects planetary reduction gear 3, and planetary reduction gear 3 front ends connect cutting arm 2, and cutting arm 2 front ends are installed cutterhead 1, the back is installed like this forms cantilevered coal mining device.Cutterhead 1 is cuts device for coal, and cutterhead 1 is that a driving with a plurality of picks bores.Gearbox 4 is connected with cutting motor 10, cutting motor 10 be installed in hitch 5 below, drive the rotation of coal mining device.Gearbox 4 is a manual transmission, it comprises casing 40, power shaft 48, output shaft 45 and jackshaft 43 are set in the casing 40, and the output shaft 45 of gearbox 4 is connected with the power shaft of planetary reduction gear 3, and the power shaft 48 of gearbox 4 is connected with cutting motor 10 by clutch.
The power shaft 48 of gearbox and output shaft 45 are positioned on same the axis, and driving gear 47 is set on the power shaft 48, and output shaft 45 is provided with duplex power shift gear 42, and the endoporus place of duplex power shift gear 42 right-hand members is provided with the internal gear that driving gear 47 cooperates; Be provided with jackshaft 43 at power shaft 48 with above the output shaft 45, the right-hand member of jackshaft 43 is provided with the driven gear 46 that cooperates with driving gear 47, also be provided with the idler gear 41 of the gearshift usefulness that cooperates with two external gear pumps of duplex power shift gear 42 at the correct position of jackshaft 43, the number of teeth of two idler gears 41 and varying in size, and it is corresponding with the number of teeth and the size of two external gear pumps of duplex power shift gear 42, duplex power shift gear 42 slides on output shaft 45, when two external gear pumps of duplex power shift gear 42 move to two gear positions of corresponding idler gear 41 and internal gear when moving to the position of driving gear 47, promptly there is a pair of gear to intermesh, and other gear comes off, and realizes shift speed change.
Be provided with declutch shift shaft below power shaft 48 and output shaft 45, declutch shift shaft is provided with and the duplex power shift gear 42 and the selector fork 49 that is connected; Selector fork 49 is connected with gear shift operating rod on the body operating desk.
A kind of situation when speed change gear of the present utility model recited above is manual gear shifting, speed change gear of the present utility model can also be designed to automatic transimission, and perhaps manual transmission has other form of structure, and more multistage speed change is perhaps arranged.
Claims (6)
1. speed change development machine, comprise body, coal mining device and defeated device for coal, the coal mining device comprises to be cut device for coal, connects and to cut the cutting arm of device for coal, the hitch that is connected with body, it is characterized in that: be provided with the speed change gear that comprises gear and reducing gear that links to each other with driving device between cutting arm and hitch.
2. a kind of speed change development machine according to claim 1 is characterized in that the gear of described speed change gear and reducing gear are gearbox and reducer, and gearbox and reducer are split connected mode or the mode of making one.
3. according to claim 1 or 2 described a kind of speed change development machines, it is characterized in that described speed change gear is the wherein a kind of of automatic transimission or manual gear shifting.
4. according to claim 1 or 2 described a kind of speed change development machines, it is characterized in that described gearbox is a manual transmission, reducer is a planetary reduction gear, and manual transmission is controlled on the console that handle is arranged on body.
5. a kind of speed change development machine according to claim 4, it is characterized in that described manual transmission comprises casing, power shaft is set in the casing, output shaft and jackshaft, power shaft and output shaft are positioned on same the axis, driving gear is set on the power shaft, output shaft is provided with the duplex power shift gear of the slip that is connected with selector fork, the endoporus place of duplex power shift gear is provided with the internal gear that cooperates with driving gear, selector fork is connected with gear shift operating rod, two idler gears that jackshaft is provided with driven gear and cooperates with two external gear pumps of duplex power shift gear, the casing of gearbox and output shaft link to each other with the casing and the power shaft of planetary reduction gear.
6. a kind of speed change development machine according to claim 1 is characterized in that being provided with between described hitch and the body oscillating cylinder that the coal mining device is moved up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920104330XU CN201460890U (en) | 2009-08-25 | 2009-08-25 | Speed-changing excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920104330XU CN201460890U (en) | 2009-08-25 | 2009-08-25 | Speed-changing excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201460890U true CN201460890U (en) | 2010-05-12 |
Family
ID=42388244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920104330XU Ceased CN201460890U (en) | 2009-08-25 | 2009-08-25 | Speed-changing excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201460890U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268991A (en) * | 2011-06-09 | 2011-12-07 | 石家庄中煤装备制造股份有限公司 | Power speed change heading machine |
| CN102536227A (en) * | 2012-03-23 | 2012-07-04 | 中国矿业大学 | Rotary-digging type coal mining machine and development machine cutting part |
| CN102718163A (en) * | 2012-06-21 | 2012-10-10 | 无锡市协兴港口机械有限公司 | Lifting mechanism for hoist |
| CN102720491A (en) * | 2012-06-19 | 2012-10-10 | 安徽山河矿业装备股份有限公司 | Self-adapting speed regulating device for tunnel boring machine |
| CN109987540A (en) * | 2019-04-26 | 2019-07-09 | 扬州统一机械有限公司 | A kind of modularization automatic supporting device |
-
2009
- 2009-08-25 CN CN200920104330XU patent/CN201460890U/en not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268991A (en) * | 2011-06-09 | 2011-12-07 | 石家庄中煤装备制造股份有限公司 | Power speed change heading machine |
| CN102536227A (en) * | 2012-03-23 | 2012-07-04 | 中国矿业大学 | Rotary-digging type coal mining machine and development machine cutting part |
| CN102720491A (en) * | 2012-06-19 | 2012-10-10 | 安徽山河矿业装备股份有限公司 | Self-adapting speed regulating device for tunnel boring machine |
| CN102718163A (en) * | 2012-06-21 | 2012-10-10 | 无锡市协兴港口机械有限公司 | Lifting mechanism for hoist |
| CN102718163B (en) * | 2012-06-21 | 2016-02-24 | 无锡市协兴港口机械有限公司 | A kind of lifting mechanism for hoisting crane |
| CN109987540A (en) * | 2019-04-26 | 2019-07-09 | 扬州统一机械有限公司 | A kind of modularization automatic supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHIJIAZHUANG ZHONGMEI COAL MINE EQUIPMENT MANUFACT Free format text: FORMER NAME: SHIJIAZHUANG CHINA COAL EQUIPMENT MANUFACTURING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 050035 No. 89 the Yellow River Avenue, Shijiazhuang hi tech Development Zone, Hebei Patentee after: Shijiazhuang Zhongmei Coal Mine Equipment Manufacture Co., Ltd. Address before: 050035 No. 89, the Yellow River Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee before: Shijiazhuang China Coal Equipment Manufacturing Co., Ltd. |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20110407 Decision number of declaring invalidation: 16294 Granted publication date: 20100512 |