CN201991847U - Development machine and hydraulic system for same - Google Patents
Development machine and hydraulic system for same Download PDFInfo
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- CN201991847U CN201991847U CN 201120046286 CN201120046286U CN201991847U CN 201991847 U CN201991847 U CN 201991847U CN 201120046286 CN201120046286 CN 201120046286 CN 201120046286 U CN201120046286 U CN 201120046286U CN 201991847 U CN201991847 U CN 201991847U
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- hydraulic system
- development machine
- fuel tank
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Abstract
The utility model discloses a development machine and a hydraulic system for the same. The hydraulic system comprises an oil tank with hydraulic oil, oil-absorbing filters and an oil pump, wherein the oil-absorbing filters are positioned inside the oil tank and used for filtering the absorbed hydraulic oil; the oil pump is positioned outside the oil tank and is connected to the oil-absorbing filters through oil-absorbing pipelines; the oil pump is connected with a control device for starting and closing the hydraulic system; and overhaul shut-off valves are arranged on the oil-absorbing pipelines between the oil pump and the oil tank. In the hydraulic system, the overhaul shut-off valves are respectively arranged on oil-absorbing pipelines, so that the liquid-absorbing flow of the oil pump can be better controlled, the overhaul of the pump and relevant hydraulic elements is facilitated, the overhaul speed and the overhaul efficiency are improved and the cost waste due to oil loss during overhaul is reduced. In addition, when the oil is replaced, the overhaul shut-off valve can play a role of assisting in quickly draining oil, therefore, the oil replacement time is greatly shortened and the work efficiency is improved.
Description
Technical field
The utility model relates to hydraulic transmission technology, particularly a kind of hydraulic system and development machine that is used for development machine.
Background technique
In the mining operations in mine, most of coal mining enterprise all uses development machine exploitation tunnel at present.The included hydraulic system of existing development machine, the hydraulic oil that this hydraulic system is drawn in the fuel tank in the fuel tank through the oil suction filter by oil pump is fluid, through auxiliary elements such as each oil pipes fluid is delivered to executive component (oil cylinder, motor), under the manipulation of control unit, the executive component action, hydraulic pressure can be converted to mechanical energy, and last fluid is got back in the fuel tank, forms a circulatory system.Wherein, can development machine proper functioning concerning that can tunnel drilling depth workload finish smoothly, and development machine is run well, and that will guarantee to have a good hydraulic system and cooling system.
Yet the normal problem that occurs of above-mentioned hydraulic system is: subsurface environment is abominable, and dust is very big, and ground temperature is higher, and hydraulic work system oil temperature is uncontrollable in suitable temperature range, safeguards extremely inconvenient.Promptly when the hydraulic system of maintenance development machine, when the heart of particularly changing hydraulic system is oil pump, usually need earlier the fluid in the fuel tank to be drained, increased the waste of maintenance workload and part hydraulic oil like this.
The model utility content
The utility model provides a kind of hydraulic system and development machine that is used for development machine, this hydraulic system is by being provided with the maintenance stop valve hydraulic oil of controlled hydraulic system inner loop preferably on each inlet line, improve inspection speed and overhaul efficiency simultaneously, and reduced the cost of overhaul.
The hydraulic system that is used for development machine of the present utility model comprises:
Fuel tank with hydraulic oil;
Be positioned at the oil suction filter that the hydraulic oil to drawing of fuel tank internal filters;
It is outside and be connected in the oil pump of oil suction filter by inlet line to be positioned at fuel tank;
This oil pump connects the control gear that starts and cut out hydraulic system;
Inlet line between described oil pump and the described fuel tank is provided with the maintenance stop valve.
The aforesaid hydraulic system that is used for development machine, wherein, described oil suction filter is two, the height of these two oil suction filters in described fuel tank is identical, and these two oil suction filters stagger mutually and are arranged in the described fuel tank.
The aforesaid hydraulic system that is used for development machine, wherein, the height of the described fuel tank of described oil suction filter distance bottom is 95 to 105mm.
The aforesaid hydraulic system that is used for development machine, wherein, the inlet line between described fuel tank and the maintenance stop valve is the inlet line of Coating Steel Pipe, the inlet line between maintenance stop valve and the oil pump is the inlet line of sebific duct.
The aforesaid hydraulic system that is used for development machine, wherein, the caliber of the inlet line of Coating Steel Pipe is 35 to 45mm.
The aforesaid hydraulic system that is used for development machine, wherein, described maintenance stop valve is that straight line is connected with inlet line between the oil suction filter with described oil suction filter.
According on the other hand of the present utility model, the utility model also provides a kind of development machine, comprises mole, and also comprises as above any described hydraulic system that is used for development machine, and this hydraulic system is connected in mole.
Aforesaid development machine, wherein, described development machine also comprises cooling unit, this cooling unit is arranged in the fuel tank of described hydraulic system.
Aforesaid development machine, wherein, described cooling unit is a cooling water circulation coiler device, and the straight line height h of described coiler is 400 to 500mm, and the caliber of described coiler is 20 to 30mm.
Aforesaid development machine, wherein, the working oil temperature in the described fuel tank is 0 to 70 degree.
Hydraulic system and the development machine that is used for development machine of the present utility model can be controlled the interior hydraulic oil of each inlet line preferably, especially when the hydraulic system of maintenance development machine, can be by maintenance stop valve circuit hydraulic oil in the controlled hydraulic system preferably be set on each inlet line, can control the size of oil pump imbibition flow preferably, made things convenient for the maintenance of pump and relevant hydraulic element simultaneously, inspection speed and overhaul efficiency have been improved, and reduced in maintenance and caused the cost waste because of fluid runs off, in addition, when changing fluid, can play auxiliary effect of draining the oil fast, shorten the time of changing fluid greatly, improve working efficiency.
Description of drawings
In order to be illustrated more clearly in the utility model or technological scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is for being used for the hydraulic system embodiment's of development machine structural representation in the utility model;
Fig. 2 is for being used for the hydraulic system embodiment's of development machine structural representation in the utility model;
Fig. 3 is for being used for the cooling system embodiment's of development machine structural representation in the utility model.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to illustrated in figures 1 and 2, Fig. 1 and Fig. 2 show the hydraulic system embodiment's who is used for development machine in the utility model structural representation; Wherein, the hydraulic system that is used for development machine comprises: have hydraulic oil 7 fuel tank 4, be positioned at fuel tank 4 inside be used to draw oil suction filter 5 that hydraulic oil 7 is fluid, to be positioned at fuel tank 4 outside and be connected in the oil pump 1 of oil suction filter 5 by inlet line 2, this oil pump 1 connects the control gear (not shown) that starts and cut out hydraulic system; And the inlet line between oil pump 1 and the fuel tank 4 is provided with maintenance stop valve 3, and maintenance stop valve 3 can be used for the fluid in the inlet line is ended.Certainly, in hydraulic system, it comprises on the inlet line of a plurality of hydraulic oil 7 that are used to circulate and is equipped with the maintenance stop valve.Above-mentioned maintenance stop valve 3 is installed on the zone near oil pump, so that the maintenance of the hydraulic system of development machine when overhauling above-mentioned hydraulic system, is closed the maintenance stop valve earlier, can avoid the loss of hydraulic oil thus, has saved the cost of development machine.That is to say, above-mentioned hydraulic system can be controlled the flow size of the hydraulic oil in the oil pump preferably by the maintenance stop valve is set on each inlet line, made things convenient for the maintenance of oil pump 1 and relevant hydraulic element simultaneously, the inspection speed and the overhaul efficiency of hydraulic system have been improved, and the cost that has reduced the development machine maintenance, during the fluid of this external replacing hydraulic system, above-mentioned maintenance stop valve can also play the auxiliary effect that discharges fluid fast, shorten the time of changing fluid greatly, improved working efficiency.
The oil suction filter 5 included in the hydraulic system shown in Fig. 2 is two, and the utility model does not limit the quantity of the oil suction filter at this place.The height of above-mentioned two oil suction filters 5 in fuel tank 4 is identical, and these two oil suction filters 5 stagger mutually and are arranged in the fuel tank 4 distribution schematic diagram of oil suction filter 5 as shown in Figure 2.Usually, two oil suction filters 5 spacing of being separated by must not be less than 100mm, so that at each oil suction filter 5 can not influence each other, and then reduce during in work working load of oil pump, can make oily temperature remain on normal level simultaneously.
Usually, for making the oil suction filter 5 better hydraulic oil 7 that extract in the fuel tank 4, the distance between oil suction filter 5 and fuel tank 4 bottoms can be made as the arbitrary numerical value between 95 to 105mm, preferred distance is 100mm.
Inlet line between fuel tank described in the present embodiment and the maintenance stop valve adopts zinc-plated steel pipe preparation to form the inlet line of Coating Steel Pipe, and the inlet line between maintenance stop valve and the oil pump adopts the sebific duct preparation to form the inlet line of sebific duct.Especially, the caliber (diameter) that adopts the inlet line of zinc-plated steel pipe preparation is 35 to 45mm, is preferably 40mm.
Need to prove, be connected for straight line between the inlet line 2 of above-mentioned hydraulic system and the oil suction filter 5, be inlet line with the oil suction filter between be connected and keep same horizontal linear, described maintenance stop valve is that straight line is connected with inlet line between the oil suction filter with described oil suction filter, the two-way inlet line certainly is set is arranged in parallel.
The hydraulic system of above-mentioned development machine can be controlled the hydraulic oil in each inlet line preferably, especially when the hydraulic system of maintenance development machine, can be by maintenance stop valve circuit hydraulic oil in the controlled hydraulic system preferably be set on each inlet line, can not cause loss, waste to hydraulic oil, simultaneously the inspection speed and the overhaul efficiency of development machine hydraulic system can be improved, and the cost of overhaul can be reduced.
According on the other hand of the present utility model, the utility model also provides a kind of development machine, comprises the described hydraulic system that is used for development machine of mole and above-mentioned any embodiment, and this hydraulic system is connected in mole.
Certainly, development machine also comprises cooling unit, this cooling unit is arranged in the fuel tank of described hydraulic system, be used to cool off the hydraulic oil 7 in the fuel tank 4, so that make in the fuel tank the normal temperature of working oil temperature greatly about 0 to 70 the degree between, make that development machine can proper functioning, otherwise too high oily temperature can make the Sealing of hydraulic system damage, cause the development machine can't proper functioning.
With reference to shown in Figure 3, Fig. 3 shows the cooling system embodiment's who is used for development machine in the utility model structural representation, cooling unit in the present embodiment is a cooling water circulation coiler device, the straight line height h (as shown in Figure 3) of the coiler 6 of this cooling water circulation coiler device can be between 400 to 500mm, it is preferably 450mm, the caliber 20 of described coiler is preferably 25mm to 30mm.The coiler of two groups of cooling water circulation coiler devices has been shown among Fig. 3, and its coiler is arranged in that to be installed on fuel tank be the position at 1/4th places of the left and right sides of fuel tank bottom surface near limit, the left and right sides, and then can cool off hydraulic oil preferably.In the fuel tank one or more cooling units can be set in the present embodiment, and the cooling water Circulation pipe that makes this cooling unit be the caliber of coiler increase and the length of cooling water circuit coiler elongated, to guarantee that the flushing time of cooling water in coiler increases, cool time is abundant, because caliber increases, heat absorption area increases, and heat absorbing property improves greatly, makes that the cooling effect of the hydraulic oil in the fuel tank is better.
The cooling unit of above-mentioned development machine can make the oily temperature control of hydraulic oil in suitable temperature range, and then makes the development machine proper functioning, has improved the working efficiency of development machine in underground work.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. a hydraulic system that is used for development machine is characterized in that, comprising: the fuel tank with hydraulic oil;
Be positioned at the oil suction filter that the hydraulic oil to drawing of fuel tank internal filters; It is outside and be connected in the oil pump of oil suction filter by inlet line to be positioned at fuel tank; This oil pump connects the control gear that starts and cut out hydraulic system; Inlet line between described oil pump and the described fuel tank is provided with the maintenance stop valve.
2. the hydraulic system that is used for development machine according to claim 1 is characterized in that, described oil suction filter is two, and the height of these two oil suction filters in described fuel tank is identical, and these two oil suction filters stagger mutually and are arranged in the described fuel tank.
3. the hydraulic system that is used for development machine according to claim 1 is characterized in that, the height of the described fuel tank of described oil suction filter distance bottom is 95 to 105mm.
4. the hydraulic system that is used for development machine according to claim 1 is characterized in that, the inlet line between described fuel tank and the maintenance stop valve is the inlet line of Coating Steel Pipe, and the inlet line between maintenance stop valve and the oil pump is the inlet line of sebific duct.
5. the hydraulic system that is used for development machine according to claim 4 is characterized in that, the caliber of the inlet line of Coating Steel Pipe is 35 to 45mm.
6. the hydraulic system that is used for development machine according to claim 1 is characterized in that, described maintenance stop valve is that straight line is connected with inlet line between the oil suction filter with described oil suction filter.
7. a development machine comprises mole, it is characterized in that, also comprises as above each described hydraulic system that is used for development machine of claim 1 to 6, and this hydraulic system is connected in mole.
8. development machine according to claim 7 is characterized in that described development machine also comprises cooling unit, and this cooling unit is arranged in the fuel tank of described hydraulic system.
9. development machine according to claim 8 is characterized in that, described cooling unit is a cooling water circulation coiler device, and the straight line height h of described coiler is 400 to 500mm, and the caliber of described coiler is 20 to 30mm.
10. development machine according to claim 9 is characterized in that,
Working oil temperature in the described fuel tank is 0 to 70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120046286 CN201991847U (en) | 2011-02-23 | 2011-02-23 | Development machine and hydraulic system for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120046286 CN201991847U (en) | 2011-02-23 | 2011-02-23 | Development machine and hydraulic system for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991847U true CN201991847U (en) | 2011-09-28 |
Family
ID=44668336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120046286 Expired - Fee Related CN201991847U (en) | 2011-02-23 | 2011-02-23 | Development machine and hydraulic system for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201991847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650302A (en) * | 2011-02-23 | 2012-08-29 | 淮南矿业(集团)有限责任公司 | Hydraulic system for tunneling machine and tunneling machine |
-
2011
- 2011-02-23 CN CN 201120046286 patent/CN201991847U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650302A (en) * | 2011-02-23 | 2012-08-29 | 淮南矿业(集团)有限责任公司 | Hydraulic system for tunneling machine and tunneling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110928 Termination date: 20150223 |
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| EXPY | Termination of patent right or utility model |