CN203065031U - Hydraulic leveling system for mining monorail crane and mining machine - Google Patents
Hydraulic leveling system for mining monorail crane and mining machine Download PDFInfo
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- CN203065031U CN203065031U CN 201220720496 CN201220720496U CN203065031U CN 203065031 U CN203065031 U CN 203065031U CN 201220720496 CN201220720496 CN 201220720496 CN 201220720496 U CN201220720496 U CN 201220720496U CN 203065031 U CN203065031 U CN 203065031U
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- hydraulic
- leveling
- valve
- hydraulic oil
- monorail crane
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Abstract
The utility model provides a hydraulic leveling system for a mining monorail crane and a mining machine. The hydraulic leveling system for the mining monorail crane comprises a working platform, a revolving platform, a main arm, a first leveling cylinder, a second leveling cylinder and a hydraulic system, wherein two ends of the main arm are respectively hinged on the working platform and the revolving platform; one end of a rodless cavity of the first leveling cylinder is hinged on the main arm, and a piston rod of the first leveling cylinder is hinged on the working platform; one end of a rodless cavity of the second leveling cylinder is hinged on the revolving platform, and a piston rod of the second leveling cylinder is hinged on the main arm; and the hydraulic system comprises a two-way balance valve for connecting the rodless cavity of the first leveling cylinder and the rodless cavity of the second leveling cylinder and connecting a rod cavity of the first leveling cylinder and a rod cavity of the second leveling cylinder. The two-way balance valve has a pressure maintaining function and can be used for preventing the working platform from being inclined and overturned because hydraulic oil in the first leveling cylinder flows out of a cracked hydraulic oil tube arranged between the two-way balance valve and the second leveling cylinder.
Description
Technical field
The utility model relates to the mine equipment field, particularly a kind of mining monorail crane hydraulic leveling system and mine equipment with this mining monorail crane hydraulic leveling system.
Background technology
The workplatform of all kinds of mine equipments work the time must keep level, steadily, safety, using more in bench board leveling technology at present is electric liquid leveling and hydrostatic leveling.
Electricity liquid levelling gear is subjected to the influence of electronic product sensitivity, be prone to lag behind and shaking phenomenon, and electrohydraulic servo device is expensive, and manufacturing cost is risen significantly.
In the hydrostatic leveling, because leakage of oils such as sealing and joint can bring inclination to workplatform after the long-term work, easy entrained air in the repairing process causes the leveling stability of workplatform not enough.
The utility model content
In view of the above, the utility model is intended to propose a kind of mining monorail crane hydraulic leveling system that improves the workplatform working stability.
A kind of mining monorail crane hydraulic leveling system, it comprises workplatform; Turn table; Principal arm, its two ends are hinged on respectively on workplatform and the turn table; First leveling cyclinder, an end of its rodless cavity is hinged on the principal arm, and its piston rod is articulated on the workplatform; Second leveling cyclinder, an end of its rodless cavity is articulated on the turn table, and its piston rod is articulated on the principal arm; And hydraulic efficiency pressure system, it comprises bidirectional balanced valve, bidirectional balanced valve is connected the rodless cavity of first leveling cyclinder with the rodless cavity of second leveling cyclinder, the rod chamber of first leveling cyclinder is connected with the rod chamber of second leveling cyclinder.
Further, described hydraulic efficiency pressure system also comprises blow off valve, and described blow off valve is arranged at respectively on first hydraulic oil pipe between described bidirectional balanced valve and described second leveling cyclinder, second hydraulic oil pipe.
Further, described hydraulic efficiency pressure system also comprises bidirectional hydraulic lock and change-over valve, two oil outlets of described bidirectional hydraulic lock are connected with described first hydraulic oil pipe, described second hydraulic oil pipe respectively, described change-over valve optionally is connected one in two oil inlets of a hydraulic oil pump and described bidirectional hydraulic lock, makes described hydraulic oil pump fuel feeding in described first hydraulic oil pipe or described second hydraulic oil pipe.
Further, described change-over valve is automatic diverter valve or hand change over valve.
Further, described change-over valve is three-position four-way valve.
Further, also comprise the principal arm amplitude oil cylinder, its two ends are hinged with described turn table and described principal arm respectively.
In addition, the utility model also provides a kind of mine equipment with above-mentioned mining monorail crane hydraulic leveling system.
Compared to prior art, be provided with bidirectional balanced valve in the mining monorail crane hydraulic leveling of the present utility model system, it has buffer action, can increase the stability of this workplatform leveling process.In addition, this bidirectional balanced valve has the pressurize effect, when the hydraulic oil pipe between bidirectional balanced valve and second leveling cyclinder breaks, thereby can prevent that the hydraulic oil in this first leveling cyclinder from causing this workplatform to tilt, overturn from the outflow of the hydraulic oil pipe that breaks between this bidirectional balanced valve and this second leveling cyclinder.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment 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 the mining monorail crane hydraulic leveling system schematic of the utility model embodiment;
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment, under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually, describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
See also Fig. 1, the utility model embodiment provides a kind of mining monorail crane hydraulic leveling system, and it is applied in the mine equipment.
This is mining, and monorail crane hydraulic leveling system comprises workplatform 1, turn table 2, principal arm 3, first leveling cyclinder, principal arm amplitude oil cylinder 5, second leveling cyclinder and hydraulic efficiency pressure system.
This workplatform 1 is used for carrying operating personal or weight.In the use of reality, this workplatform 1 needs to keep horizontality, to avoid the landing from this workplatform 1 of people on it or thing, causes safety misadventure.
This turn table 2 is arranged on the mine equipment, and this turn table 2 can drive this workplatform 1, makes this workplatform 1 move to suitable position.
The two ends of this principal arm 3 are hinged on respectively on this workplatform 1 and this turn table 2.
This first leveling cyclinder is used for the operating angle of this workplatform 1 of control, makes this workplatform remain horizontality.One end of the rodless cavity 41 of this first leveling cyclinder is hinged on this principal arm 3, and an end of rod chamber 42 (being piston rod 43) is articulated in this workplatform 1.
This principal arm amplitude oil cylinder 5 is used for the luffing lifting of this principal arm 3 of control.The two ends of this principal arm amplitude oil cylinder 5 are hinged with this turn table 2 and this principal arm 3 respectively.
This second leveling cyclinder is used for the angle between this turn table of feedback and this principal arm 3.One end of the rodless cavity 61 of this second leveling cyclinder is articulated on this turn table 2, and an end of rod chamber 62 (being piston rod 63) is articulated on this principal arm 3.
This hydraulic efficiency pressure system comprises the bidirectional balanced valve 71 that is arranged on this second leveling cyclinder 6, this bidirectional balanced valve 71 is connected the rodless cavity 41 of this first leveling cyclinder with the rodless cavity 61 of this second leveling cyclinder, the rod chamber 42 of this first leveling cyclinder is connected with the rod chamber 62 of this second leveling cyclinder.Wherein, this bidirectional balanced valve 71 is connected with rodless cavity 61, the rod chamber 62 of this second leveling cyclinder by two hydraulic oil pipes (the first hydraulic oil pipe L1, the second hydraulic oil pipe L2).
When this principal arm 3 extends under the effect of this principal arm amplitude oil cylinder 5, piston rod 63 elongations of this second leveling cyclinder, hydraulic oil in this rod chamber 62 enters in this rod chamber 42 through this bidirectional balanced valve 71, make this piston rod 43 retractions, and then make the hydraulic oil in this rodless cavity 41 enter this rodless cavity 61 by this bidirectional balanced valve 71.
When this principal arm 3 is withdrawn under the effect of this principal arm amplitude oil cylinder 5, piston rod 63 retractions of this second leveling cyclinder, hydraulic oil in this rodless cavity 61 enters in this rodless cavity 41 through this bidirectional balanced valve 71, make this piston rod 43 elongations, and then make the hydraulic oil in this rod chamber 42 enter this rod chamber 62 by this bidirectional balanced valve 71.
This rodless cavity 61, rod chamber 62 flow into and the hydraulic oil of outflow equates with the hydraulic fluid flow rate of this rodless cavity 41, rod chamber 42 outflows and inflow, make the elongation of this piston rod 63 equate with the amount of recovery of this piston rod 43, or make the amount of recovery of this piston rod 63 equate with the elongation of this piston rod 43, therefore can make this workplatform 1 remain parastate with this turn table 2.And remain horizontality during 2 work of this turn table, therefore, this workplatform 1 also remains horizontality, thereby can prevent from causing safety misadventure because this workplatform 1 tilts, upset makes people or thing landing on it.
In addition, as if the hydraulic oil pipe L1 between this bidirectional balanced valve 71 and this second leveling cyclinder, when L2 breaks, this bidirectional balanced valve 71 can carry out pressurize to the hydraulic oil in this first leveling cyclinder, thereby can prevent that the hydraulic oil in this first leveling cyclinder from causing this workplatform 1 to tilt, overturn from the outflow of the hydraulic oil pipe that breaks between this bidirectional balanced valve 71 and this second leveling cyclinder.
Preferably, this hydraulic efficiency pressure system also comprises blow off valve 72, and this blow off valve 72 is arranged at respectively on the hydraulic oil pipe between this bidirectional balanced valve 71 and this second leveling cyclinder.This blow off valve 72 can be discharged the air of sneaking in this mining monorail crane hydraulic leveling system, is subjected to air influence with the leveling performance that prevents this workplatform 1.
Preferably, this hydraulic efficiency pressure system also comprises bidirectional hydraulic lock 73 and change-over valve 74, this bidirectional hydraulic lock 73 and this change-over valve 74 is used for outside oil sources is replenished to this first leveling cyclinder and this second leveling cyclinder, can prevent that sealing and joint leakage of oil after this first leveling cyclinder and this second leveling cyclinder long-term work from influencing the leveling performance of this workplatform 1.Wherein, this change-over valve 74 can be automatic diverter valve, also can be hand change over valve.This change-over valve 74 is three-position four-way valve.
This bidirectional hydraulic lock 73 and this change-over valve 74 concrete annexations are as follows: two oil outlets of this bidirectional hydraulic lock 73 are connected with this first hydraulic oil pipe L1, the second hydraulic oil pipe L2 respectively.This change-over valve 74 optionally is connected one in two oil inlets of hydraulic oil pump 8 and this bidirectional hydraulic lock 73, makes this hydraulic oil pump 8 fuel feeding in this first hydraulic oil pipe L1 or the second hydraulic oil pipe L2.
When this change-over valve 74 was in first mode of operation, hydraulic oil that this hydraulic oil pump 8 provides was through this bidirectional hydraulic lock 73 fuel feeding in this first hydraulic oil pipe L1.When this change-over valve 74 was in second mode of operation, hydraulic oil that this hydraulic oil pump 8 provides was through this bidirectional hydraulic lock 73 fuel feeding in this second hydraulic oil pipe L2.
Be provided with bidirectional balanced valve in the mining monorail crane hydraulic leveling of the present utility model system, it has buffer action, can increase the stability of this workplatform leveling process.In addition, this bidirectional balanced valve has the pressurize effect, when the hydraulic oil pipe between bidirectional balanced valve and second leveling cyclinder breaks, thereby can prevent that the hydraulic oil in this first leveling cyclinder from causing this workplatform to tilt, overturn from the outflow of the hydraulic oil pipe that breaks between this bidirectional balanced valve and this second leveling cyclinder.
The utility model also provides a kind of mine equipment with above-mentioned mining monorail crane hydraulic leveling system, because above-mentioned mining monorail crane hydraulic leveling system has above-mentioned technique effect, therefore, the mine equipment that is provided with this mining monorail crane hydraulic leveling system also should possess corresponding technique effect, its specific implementation process is similar to the above embodiments, so do not give unnecessary details.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a mining monorail crane hydraulic leveling system is characterized in that, comprising:
Workplatform (1);
Turn table (2);
Principal arm (3), its two ends are hinged on respectively on described workplatform (1) and the described turn table (2);
First leveling cyclinder, an end of its rodless cavity (41) are hinged on the described principal arm (3), and its piston rod (43) is articulated on the described workplatform (1);
Second leveling cyclinder, an end of its rodless cavity (61) are articulated on the described turn table (2), and its piston rod (63) is articulated on the described principal arm (3); And
Hydraulic efficiency pressure system, it comprises bidirectional balanced valve (71), described bidirectional balanced valve (71) is connected the rodless cavity (41) of described first leveling cyclinder with the rodless cavity (61) of described second leveling cyclinder, the rod chamber (42) of described first leveling cyclinder is connected with the rod chamber (62) of described second leveling cyclinder.
2. mining monorail crane hydraulic leveling according to claim 1 system, it is characterized in that, described hydraulic efficiency pressure system also comprises blow off valve (72), and described blow off valve (72) is arranged at respectively on first hydraulic oil pipe (L1) between described bidirectional balanced valve (71) and described second leveling cyclinder, second hydraulic oil pipe (L2).
3. mining monorail crane hydraulic leveling according to claim 2 system, it is characterized in that, described hydraulic efficiency pressure system also comprises bidirectional hydraulic lock (73) and change-over valve (74), two oil outlets of described bidirectional hydraulic lock (73) respectively with described first hydraulic oil pipe (L1), described second hydraulic oil pipe (L2) is connected, described change-over valve (74) optionally is connected one in two oil inlets of a hydraulic oil pump (8) and described bidirectional hydraulic lock (73), makes described hydraulic oil pump (8) fuel feeding in described first hydraulic oil pipe (L1) or described second hydraulic oil pipe (L2).
4. mining monorail crane hydraulic leveling according to claim 3 system is characterized in that described change-over valve (74) is automatic diverter valve or hand change over valve.
5. mining monorail crane hydraulic leveling according to claim 3 system is characterized in that described change-over valve (74) is three-position four-way valve.
6. according to each described mining monorail crane hydraulic leveling system among the claim 1-5, it is characterized in that also comprise principal arm amplitude oil cylinder (5), its two ends are hinged with described turn table (2) and described principal arm (3) respectively.
7. mine equipment is characterized in that: described mine equipment also is provided with as each described mining monorail crane hydraulic leveling system among the claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220720496 CN203065031U (en) | 2012-12-24 | 2012-12-24 | Hydraulic leveling system for mining monorail crane and mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220720496 CN203065031U (en) | 2012-12-24 | 2012-12-24 | Hydraulic leveling system for mining monorail crane and mining machine |
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| Publication Number | Publication Date |
|---|---|
| CN203065031U true CN203065031U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220720496 Expired - Fee Related CN203065031U (en) | 2012-12-24 | 2012-12-24 | Hydraulic leveling system for mining monorail crane and mining machine |
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| CN (1) | CN203065031U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452585A (en) * | 2013-08-16 | 2013-12-18 | 三一重型装备有限公司 | Monorail crane with anchor protection mechanism |
| CN103482372A (en) * | 2013-09-24 | 2014-01-01 | 长春发电设备总厂 | Hydraulic semi-luffing tripper car of head-sinking-preventing bucket-wheel stacker-reclaimer |
| CN105673597A (en) * | 2016-04-18 | 2016-06-15 | 湖南五新隧道智能装备股份有限公司 | Hydraulic leveling-locking device and tunnel arch-frame operating vehicle |
| CN107401379A (en) * | 2017-06-01 | 2017-11-28 | 凯盛重工有限公司 | A kind of monorail crane hydraulic drill rig traveling arm |
| CN109264647A (en) * | 2018-11-30 | 2019-01-25 | 中联重科股份有限公司 | Leveling module, leveling hydraulic oil circuit, platform leveling method and platform operation device |
-
2012
- 2012-12-24 CN CN 201220720496 patent/CN203065031U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452585A (en) * | 2013-08-16 | 2013-12-18 | 三一重型装备有限公司 | Monorail crane with anchor protection mechanism |
| CN103482372A (en) * | 2013-09-24 | 2014-01-01 | 长春发电设备总厂 | Hydraulic semi-luffing tripper car of head-sinking-preventing bucket-wheel stacker-reclaimer |
| CN105673597A (en) * | 2016-04-18 | 2016-06-15 | 湖南五新隧道智能装备股份有限公司 | Hydraulic leveling-locking device and tunnel arch-frame operating vehicle |
| CN107401379A (en) * | 2017-06-01 | 2017-11-28 | 凯盛重工有限公司 | A kind of monorail crane hydraulic drill rig traveling arm |
| CN109264647A (en) * | 2018-11-30 | 2019-01-25 | 中联重科股份有限公司 | Leveling module, leveling hydraulic oil circuit, platform leveling method and platform operation device |
| CN109264647B (en) * | 2018-11-30 | 2020-04-17 | 中联重科股份有限公司 | Leveling module, leveling hydraulic oil circuit, platform leveling method and platform operation device |
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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: 20130717 Termination date: 20151224 |
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| EXPY | Termination of patent right or utility model |