CN2854215Y - Speed-transformation for quarrying machine - Google Patents
Speed-transformation for quarrying machine Download PDFInfo
- Publication number
- CN2854215Y CN2854215Y CN 200520096048 CN200520096048U CN2854215Y CN 2854215 Y CN2854215 Y CN 2854215Y CN 200520096048 CN200520096048 CN 200520096048 CN 200520096048 U CN200520096048 U CN 200520096048U CN 2854215 Y CN2854215 Y CN 2854215Y
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- CN
- China
- Prior art keywords
- transmission shaft
- housing
- speed change
- transmission
- gear
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- Expired - Fee Related
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Abstract
The utility model relates to a quarrying machine gear change mechanism comprises a transmission shaft and an output axis fixed on a casing through a bearing. Intermeshing engagement gear units are fixed on the transmission shaft and the output axis respectively. Wherein, two ends of the first transmission shaft are exposed out of the casing. Furthermore, a belt pulley is connected to one end. The first transmission shaft and the second transmission axis, the second transmission shaft and the output axis form transmission speed change structure through intermeshing engagement. Two ends of the output axis are exposed out of the casing. With the application of multilevel speed change structures, the bulk of such gear change mechanism can be smaller without affecting the downward moving of a saw blade. Moreover, the integrity of the gear change mechanism is fine, which enables the difficulty of resulting clamping or peeling tooth due to cooperation space of gear. Transmission connection between an electric machine and the gear change mechanism through a belt, thereby, the electric machine is arranged flexibly and adjustable. Additionally, the belt will not skid under high load.
Description
Technical field:
The utility model belongs to the mining machinery field, particularly a kind of improvement of mine quarrying machine speed change gear.
Background technique:
Mine quarrying machine is the new machinery that occurred in recent years, and its appearance has changed quarrying technologies such as traditional employing is bombarded, baked wheaten cake.Utilize quarrying machhine directly exploitation shaping stone material or sheet material on the mine, improve volume recovery and product qualified rate greatly, and reduce the generation of metaling to greatest extent, alleviate the pressure that waste material causes environment, also saved resource.Mine quarrying machine is developed to the two saw blades of today or the structure of many saw blades from single saw blade originally, and its power can adopt diesel engine and driven by motor.The output of motor drives the saw blade work that is fixed on the axle through speed change gear rear driving output shaft.Speed change gear has two classes: the one, directly carry out the speed change transmission by belt pulley, small belt pulley on the motor shaft passes to big belt pulley on the output shaft through v belt, speed change transmission one-level is finished, this structure transmission is comparatively direct, but the big belt pulley on the output shaft has occupied bigger space, make darker that output shaft can't incision, the swage set mouth that cuts out is more shallow, can only exploit out the building stones of small dimension, in addition then, the saw blade outputting torsion is big, the belt pulley gear ratio is big, easily produces the belt slippage phenomenon, when driving the high-power output of many saw blades, especially obvious, influence efficient; The 2nd, the gear graduation transmission, motor shaft passes to output shaft by gear train with power speed changing, and this structure just can reach the purpose of design generally through multi-change speed, and the cooperation that is meshing with each other between gear train is had relatively high expectations, and kill can't normal starting otherwise be prone to.
Summary of the invention:
The advantage of the comprehensive conventional art of the utility model designs a kind of belt transmission and the gear transmission quarrying machhine speed change gear that combines.
Technical solutions of the utility model are achieved in that a kind of quarrying machhine speed change gear, comprise by transmission shaft and the output shaft of bearing fixing on housing, be fixed with the pitch wheel group on transmission shaft and the output shaft respectively, wherein the first transmission shaft two ends are stretched out outside the housing respectively, and be fixed with belt pulley at one end, pass through pitch wheel group formation transmission gear shift structure in twos between first transmission shaft and second transmission shaft, second transmission shaft and output shaft, stretch out outside the housing respectively at the output shaft two ends.This speed change gear multi-change speed is installed in the housing by the pitch wheel group, guarantee each several part quality of fit and security of operation, and motor output becomes transmission joint by belt with first transmission shaft in the speed change gear, conveniently adjusted motor position, make the gear ratio that belt is tightened and the belt pulley of motor output and output shaft belt are taken turns little, the transmission that is difficult for skidding is more reliable.
In addition, stretch out at first transmission shaft on the end of housing and be fixed with flywheel.Flywheel plays balance and accumulation of energy effect, and is particularly important when initial cut.
The utlity model has reasonable in design, adopt multi-change speed, it is littler that volume can be done, do not influence saw blade and move down the space, and the speed change gear integrity is strong, be difficult for producing the gear matched gap and stuck phenomenon, motor becomes transmission joint by belt with speed change gear, the motor fixed position can suitably be regulated flexibly, guarantee the degree of tautness of belt, and the design of flywheel has more increased the more smooth cut state that enters of quarrying machhine.
Description of drawings:
Below in conjunction with concrete legend the utility model is described further:
Fig. 1 quarrying machhine speed change gear sectional drawing
Fig. 2 speed change gear profile
Fig. 3 speed change gear speed change one schematic representation
Fig. 4 speed change gear speed change two schematic representation
Wherein
1-housing 11-bearing 12-dovetail groove 13-screw
The 14-viewing window 15-lamina lucida 2-first transmission shaft 21-belt pulley
The 22-flywheel 23-spline segment 3-second transmission shaft 4-output shaft
5-gear train 6-saw blade 7-shift level 71-fork
Embodiment:
With reference to Fig. 1, the quarrying machhine speed change gear, first transmission shaft, 2 two ends are fixed on the housing 1 by bearing 11, and stretch out respectively outside the housing 1, be fixed with belt pulley 21 on one end, be fixed with flywheel 22 on the other end, first transmission shaft 2 and second transmission shaft 3,4 of second transmission shaft 3 and output shafts pass through in twos, and pitch wheel group 4 constitutes the transmission gear shift structures, stretch out respectively outside the housing 1 at output shaft 4 two ends, and output shaft 4 two ends are fixed with saw blade 6 respectively, and every end can be fixed one to four saw blade, the more motor output powers that require of saw blade also big more more, the machine deadweight is heavy more, and the transmission load is also big, and each gear train accuracy of mesh requires also high.First transmission shaft 2, second transmission shaft 3 are fixed on the housing 1 by plain bearing 11, and output shaft 4 is fixed on the housing 1 by roller bearing, guarantee to have enough anti-load carrying capacities.
With reference to Fig. 2, first, second transmission shaft 2,3 and output shaft 4 are arranged from top to bottom respectively and are fixed on the housing 1, keep output shaft 4 to be in lower position, and can drive saw blade 6 and move down the darker crack of stone of cutting.And housing 1 is parallel to a side of output shaft 4 axis and is provided with a dovetail groove 12, and dovetail groove 12 tops offer row's screw 13.Speed change gear and saw blade can conveniently be fixed on the frame, only need, and in screw 13, lock bolt and get final product in the dovetail groove 12 incision frame preformed grooves.Offer a viewing window 14 on the opposite side housing 1 of dovetail groove 12 relatively, be convenient to observe gear runnability, viewing window 14 outer fixing have lamina lucida 15, play safety and protective action, avoid dust to enter.
With reference to Fig. 3 and Fig. 4, first transmission shaft 2 and 3 of second transmission shafts are provided with two groups of different rotating speeds ratios and can switch meshed gears group 5 mutually.It is to finish by following structure that gear train 5 switches engagement, first transmission shaft 2 is provided with splined shaft section 23, small one and large one disjunctor gear, be the turriform gear, be set on the splined shaft section 23 that shift level 7 one ends that the middle part axle is positioned on the housing 1 stretch out outside the housing 1, make things convenient for gear-change operation, the fork 71 of the other end is positioned can stir the slippage of the gear left and right sides on the turriform face of gear by plane bearing, realizes the switching of two kinds of different rotating speeds ratios.The cutter head of circular saw bit is under a certain specific linear velocity, its cutter head is most effective and wear rate is minimum, and traditional quarrying machhine gearbox only provides a kind of fixing transformation of speed, its saw blade to a certain special diameter is suitable, and the saw blade of loading onto different-diameter may cause cutter head defective easy to wear or have the cutting force deficiency.And the diameter of saw blade is big more, price is also high more, 120 centimetres of dark cracks of stone of same cutting, can adopt the saw blade of the lower minor diameter of price in advance, as the saw blade of about 180 centimetres of diameters, when crack of stone cut to 80 centimetres dark after, change large diameter saw blade again, as 260 to 300 centimetres saw blade, finish darker cutting, alleviate the wearing and tearing of large-diameter saw blade.Because the diameter of saw blade increases, promptly need the rotating speed of output shaft is adjusted, otherwise linear velocity is unreasonable.This example offers the facility of changing big small saw blade, further reduces the operating cost of quarrying machhine.
Claims (7)
1, a kind of quarrying machhine speed change gear, comprise by transmission shaft and the output shaft of bearing fixing on housing, be fixed with the pitch wheel group on transmission shaft and the output shaft respectively, it is characterized in that the first transmission shaft two ends stretch out outside the housing respectively, and be fixed with belt pulley at one end, pass through pitch wheel group formation transmission gear shift structure in twos between first transmission shaft and second transmission shaft, second transmission shaft and output shaft, stretch out outside the housing respectively at the output shaft two ends.
2, quarrying machhine speed change gear according to claim 1 is characterized in that first transmission shaft stretches out on the end of housing to be fixed with flywheel.
3, quarrying machhine speed change gear according to claim 1 is characterized in that first, second transmission shaft and output shaft are arranged respectively from top to bottom to be fixed on the housing.
4, according to claim 1,2 or 3 described quarrying machhine speed change gears, it is characterized in that housing is parallel to a side of exporting axis and is provided with a dovetail groove, dovetail groove top offers row's screw.
5, quarrying machhine speed change gear according to claim 4 is characterized in that offering a viewing window on the opposite side housing of relative dovetail groove.
6, quarrying machhine speed change gear according to claim 1 is characterized in that being provided with between first transmission shaft and second transmission shaft two groups of different rotating speeds ratios and can switch the meshed gears group mutually.
7, quarrying machhine speed change gear according to claim 6, it is characterized in that first transmission shaft is provided with splined shaft section, small one and large one disjunctor geared sleeve is located on the splined shaft section, shift level one end that the middle part axle is positioned on the housing stretches out outside the housing, the fork of the other end is positioned on the face of gear by plane bearing, can stir the slippage of the gear left and right sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520096048 CN2854215Y (en) | 2005-04-19 | 2005-04-19 | Speed-transformation for quarrying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520096048 CN2854215Y (en) | 2005-04-19 | 2005-04-19 | Speed-transformation for quarrying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854215Y true CN2854215Y (en) | 2007-01-03 |
Family
ID=37580847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520096048 Expired - Fee Related CN2854215Y (en) | 2005-04-19 | 2005-04-19 | Speed-transformation for quarrying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2854215Y (en) |
-
2005
- 2005-04-19 CN CN 200520096048 patent/CN2854215Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |