CN202845085U - Hydraulic overturning device for vertical mill - Google Patents
Hydraulic overturning device for vertical mill Download PDFInfo
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- CN202845085U CN202845085U CN 201220423368 CN201220423368U CN202845085U CN 202845085 U CN202845085 U CN 202845085U CN 201220423368 CN201220423368 CN 201220423368 CN 201220423368 U CN201220423368 U CN 201220423368U CN 202845085 U CN202845085 U CN 202845085U
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- hydraulic jack
- rod chamber
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Abstract
The utility model discloses a hydraulic overturning device for a vertical mill. The hydraulic overturning device comprises a hydraulic station and a hydraulic cylinder assembly, wherein the hydraulic cylinder assembly comprises a first balance valve, a second balance valve and a hydraulic oil cylinder, wherein the first balance valve is fixed on the hydraulic oil cylinder and is communicated with a rod chamber of the hydraulic oil cylinder; the second balance valve is also fixed on the hydraulic oil cylinder and is communicated with a non-rod chamber of the hydraulic oil cylinder; an oil control port of the first balance valve is communicated with the non-rod chamber of the hydraulic oil cylinder through a seamless steel pipe; and an oil control port of the second balance valve is communicated with the rod chamber of the hydraulic oil cylinder by another seamless steel pipe. The hydraulic overturning device for the vertical mill has the advantages that a hydraulic system device is adopted, and thus the power is low, the high output can be realized, the operation is convenient, the structure is simple, the maintenance is easy, the safety and the reliability are ensured, the practicability performance and the economy performance can be realized, and the maintaining efficiency is high.
Description
Technical field
The utility model belongs to the vertical grinder in a kind of size reduction machinery field, and the hydraulic pressure that relates in particular to vertical grinder turns over the roller system.
Background technology
The grinding roller of vertical grinder is relatively heavier and wearing and tearing are frequent, need to regularly carry out repair and maintenance, and the grinding machine inner space is narrow and small, grinding roller need to be turned over to the grinding machine outside and carry out maintenance operation.
Present many Vertical Mills do not have the special-purpose roller arrangement that turns over, and shift out in the mill after the grinding roller parts need to being broken during maintenance; Or adopt pure mechanical type to turn over roller arrangement grinding roller is routed up in the mill, complex structure, operation inconvenience is wasted time and energy, and labour intensity is large, and is dangerous high.Particularly because the deadweight of the grinding roller of vertical mill is very large, when overturning maintenance, break the grinding roller damage grinding roller that probably under deadweight, drops if there is hydraulic tube.
This shows that above-mentioned existing grinding roller turns over roller arrangement in structure and uses and still has inconvenience and defective, is further improved, especially security and the overhaul efficiency of operation.Especially under the requirement of whole production line repair time, improve overhaul efficiency and seem particularly important.For solving existing inconvenience and the defective that roller arrangement exists of turning over, correlation engineering technical staff seeks solution, but to have no applicable design perfect by development always.
Summary of the invention
Goal of the invention: for the problem and shortage of above-mentioned existing existence, the purpose of this utility model has provided a kind of Vertical Mill hydraulic pressure turn-over device, thereby can make things convenient for smoothly the upset grinding roller to keep in repair, and has improved simultaneously the security of original hydraulic overturn system.
Technical scheme: for achieving the above object, the utility model is by the following technical solutions: a kind of Vertical Mill hydraulic pressure turn-over device, comprise Hydraulic Station and hydraulic pressure cylinder assembly, wherein hydraulic pressure cylinder assembly comprises the first balanced valve, the second balanced valve and hydraulic jack, wherein said the first balanced valve is fixed on the hydraulic jack, and is communicated with the rod chamber of hydraulic jack; The second balanced valve also is fixed on the hydraulic jack, and be communicated with the rodless cavity of hydraulic jack, and the control port of the first balanced valve is communicated with the rodless cavity of hydraulic jack by seamless steel pipe, and the control port of the second balanced valve is communicated with the rod chamber of hydraulic jack by seamless steel pipe.
As preferably, described Hydraulic Station comprises fuel tank assembly, high pressure pump assembly and Hydraulic integration block assembly, wherein said Hydraulic integration block assembly comprises check valve, overflow valve, reversal valve, one-way throttle valve and hydraulic manifold block, wherein pressure oil advanced check valve, overflow valve, reversal valve, one-way throttle valve and hydraulic manifold block successively, and entered into hydraulic pressure cylinder assembly from the hydraulic manifold block oil-out.
Beneficial effect: compared with prior art, the utlity model has following advantage: adopt hydraulic system, power is little, and it is large, easy to operate, simple in structure, for ease of maintenaince to exert oneself, safe and reliable, Applied economy, and overhaul efficiency is high.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein, Hydraulic Station 1, hydraulic pressure cylinder assembly 2, fuel tank assembly 3, high pressure pump assembly 4, Hydraulic integration block assembly 5, blowdown ball valve 6, coarse filter 7, bimetallic thermometer 8, air filter 9, liquid level liquid thermometer 10, motor 11, shaft coupling 12, high-pressure pump 13, check valve 14, overflow valve 15, reversal valve 16, one-way throttle valve 17, high-pressure ball valve 18, shock-proof pressure gauge 19, the first balanced valve 20, the second balanced valve 21, hydraulic jack 22, grinding roller 23.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
As shown in Figure 1, a kind of Vertical Mill hydraulic pressure turn-over device, comprise Hydraulic Station 1 and hydraulic pressure cylinder assembly 2, wherein hydraulic pressure cylinder assembly 2 comprises the first balanced valve 20, the second balanced valve 21 and hydraulic jack 22, wherein said the first balanced valve 20 is fixed on the hydraulic jack 22, and is communicated with the rod chamber of hydraulic jack 22; The second balanced valve 21 also is fixed on the hydraulic jack 22, and be communicated with the rodless cavity of hydraulic jack 22, and the control port of the first balanced valve 20 is communicated with by the rodless cavity of seamless steel pipe with hydraulic jack 22, and the control port of the second balanced valve 21 is communicated with by the rod chamber of seamless steel pipe with hydraulic jack 22.
As shown in Figure 1, hydraulic pressure cylinder assembly 2 comprises two the first balanced valves 20, the second balanced valve 21, hydraulic jack 22.Wherein the first balanced valve 20 communicates with the rod chamber of hydraulic jack 22, and the second balanced valve 21 communicates with the rodless cavity of hydraulic jack 22; The control port of the first balanced valve 20 communicates by the rodless cavity of seamless steel pipe with hydraulic jack 22, and the control port of the second balanced valve 21 communicates by the rod chamber of seamless steel pipe with hydraulic jack 22.Hydraulic pressure cylinder assembly 2 is fixed on the Vertical Mill body, and is connected with grinding roller 23.
Described Hydraulic Station 1 comprises fuel tank assembly 3, high-pressure pump 13 assemblies 4, Hydraulic integration block assembly 5 and electric control box.High-pressure pump 13 assemblies 4 are connected by seamless steel pipe with Hydraulic integration block assembly 5 and are fixed on the fuel tank assembly 3, and the oil return inlet T of Hydraulic integration block assembly 5 is connected to oil tank body by seamless steel pipe.
And fuel tank assembly 3 comprises two blowdowns ball valve 6, coarse filter 7, bimetallic thermometer 8, air filter 9, liquid level liquid thermometer 10, oil tank body, access door, universal wheel.High-pressure pump 13 assemblies 4 comprise motor 11, shaft coupling 12, high-pressure pump 13, bell jar.Motor 11 is fixing by bell jar and shaft coupling 12 with high-pressure pump 13.
Described Hydraulic integration block assembly 5 comprises check valve 14, overflow valve 15, reversal valve 16, one-way throttle valve 17, high-pressure ball valve 18, shock-proof pressure gauge 19, hydraulic manifold block.Wherein pressure oil enters the P1 mouth of reversal valve 16 through check valve 14; Reversing valve operated 16 handles make and are in a position, pressure oil is after the B of reversal valve 16 mouth passes through the non-return device of one-way throttle valve 17, flowed out by hydraulic manifold block oil-feed port B, enter again the rodless cavity of hydraulic jack 22 through high-pressure hose and the second balanced valve 21, the piston rod that promotes hydraulic jack 22 stretches out, grinding roller 23 is turned in mill, the fluid of the rod chamber of hydraulic jack 22 enters hydraulic manifold block oil-feed port A behind the throttling arrangement of the first balanced valve 20 simultaneously, flows into oil tank body by the hydraulic manifold block oil return inlet T behind the T1 of reversal valve 16 mouth.The throttling arrangement of the first balanced valve 20 is to control its break-make by the rodless cavity pressure of hydraulic jack 22, when the rodless cavity of hydraulic jack 22 during without pressure the throttling arrangement of the first balanced valve 20 close, can prevent that grinding roller 23 from toppling in mill;
Reversing valve operated 16 handles make and are in the b position, pressure oil is after the B1 of reversal valve 16 mouth passes through the non-return device of one-way throttle valve 17, flowed out by hydraulic manifold block oil-feed port A, enter again the rod chamber of hydraulic jack 22 through high-pressure hose and the first balanced valve 20, the piston rod that promotes hydraulic jack 22 is retracted, grinding roller 23 is routed up outside the mill, the fluid of the rodless cavity of hydraulic jack 22 enters hydraulic manifold block oil-feed port B behind the throttling arrangement of the second balanced valve 21 simultaneously, behind the T1 of reversal valve 16 mouth, flow into oil tank body by the hydraulic manifold block oil return inlet T, the throttling arrangement of the second balanced valve 21 is to control its break-make by the rod chamber pressure of hydraulic jack 22, when the rod chamber of hydraulic jack 22 during without pressure the throttling arrangement of the second balanced valve 21 close, can prevent that grinding roller 23 from toppling over outside mill; Reversing valve operated 16 handles make and are in meta, and pressure oil can not enter hydraulic jack 22, and grinding roller 23 can rest on the optional position, can not topple over phenomenon, and this moment, pressure oil flowed into oil tank body by the oil return inlet T of hydraulic manifold block behind overflow valve 15.
The pressure spring of regulation relief valve 15 can be controlled the pressure size of hydraulic system.According to the actual needs of grinding roller 23 positions, reversing valve operated 16, realize turning over into routing up of grinding roller 23, the adjusting knob of regulating simultaneously one-way throttle valve 17 two ends can be controlled the speed of service of hydraulic jack 22, or make grinding roller 23 rest on any desired location, safe and reliable, simple to operate.
Claims (2)
1. Vertical Mill hydraulic pressure turn-over device, it is characterized in that comprising: Hydraulic Station and hydraulic pressure cylinder assembly, wherein hydraulic pressure cylinder assembly comprises the first balanced valve, the second balanced valve and hydraulic jack, and wherein said the first balanced valve is fixed on the hydraulic jack, and is communicated with the rod chamber of hydraulic jack; The second balanced valve also is fixed on the hydraulic jack, and be communicated with the rodless cavity of hydraulic jack, and the control port of the first balanced valve is communicated with the rodless cavity of hydraulic jack by seamless steel pipe, and the control port of the second balanced valve is communicated with the rod chamber of hydraulic jack by seamless steel pipe.
2. described Vertical Mill hydraulic pressure turn-over device according to claim 1, it is characterized in that: described Hydraulic Station comprises fuel tank assembly, high pressure pump assembly and Hydraulic integration block assembly, wherein said Hydraulic integration block assembly comprises check valve, overflow valve, reversal valve, one-way throttle valve and hydraulic manifold block, wherein pressure oil advanced check valve, overflow valve, reversal valve, one-way throttle valve and hydraulic manifold block successively, and entered into hydraulic pressure cylinder assembly from the hydraulic manifold block oil-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220423368 CN202845085U (en) | 2012-08-23 | 2012-08-23 | Hydraulic overturning device for vertical mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220423368 CN202845085U (en) | 2012-08-23 | 2012-08-23 | Hydraulic overturning device for vertical mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202845085U true CN202845085U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220423368 Expired - Fee Related CN202845085U (en) | 2012-08-23 | 2012-08-23 | Hydraulic overturning device for vertical mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202845085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824938A (en) * | 2012-08-23 | 2012-12-19 | 南京西普水泥工程集团有限公司 | Hydraulic turning device for vertical mill |
-
2012
- 2012-08-23 CN CN 201220423368 patent/CN202845085U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824938A (en) * | 2012-08-23 | 2012-12-19 | 南京西普水泥工程集团有限公司 | Hydraulic turning device for vertical mill |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20180823 |