CN205478609U - Jacking and jacking unloading hydraulic control system of mining mill feeding trolley - Google Patents
Jacking and jacking unloading hydraulic control system of mining mill feeding trolley Download PDFInfo
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- CN205478609U CN205478609U CN201620037292.0U CN201620037292U CN205478609U CN 205478609 U CN205478609 U CN 205478609U CN 201620037292 U CN201620037292 U CN 201620037292U CN 205478609 U CN205478609 U CN 205478609U
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- 238000005065 mining Methods 0.000 title claims abstract description 25
- 230000008676 import Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010720 hydraulic oil Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
A hydraulic control system for jacking and jacking unloading of a mining mill feeding trolley relates to a hydraulic control system for a feeding trolley, and is characterized in that a hydraulic station (1), a manual reversing valve (2), a throttle valve (3), a balance valve (4), a shunt motor A (5), a hydraulic lock A (6), a hydraulic cylinder A (7), a three-way ball valve A (10), a hydraulic cylinder B (13), a three-way ball valve B (15) and a shunt motor B (17) are connected; the utility model has the advantages that the matched jacking and jacking unloading hydraulic control system is arranged on the feeding trolley of the mining grinder, so that the feeding trolley of the mining grinder can be jacked up by the cylinder rod A arranged in the jacking system when in maintenance work, and the transverse wheel arranged at the front end of the cylinder rod A is matched with the transverse motor to complete the steering function; when the feeding trolley works normally, wheels on the trolley frame which is standing still for a long time are supported by the cylinder rod B and then leave the ground, so that the service life of the feeding trolley is greatly prolonged.
Description
[technical field]
This utility model relates to a kind of to trolley hydraulic control system, especially relates to a kind of mining grinding mill to the jack-up of trolley and jack-up off-load hydraulic control system.
[background technology]
nullTo trolley as the first link of grinding machine，Carry conveying material and the effect of abrasive media，With bulky、Expensive electric trailer is compared，Hydraulically powered to trolley，It is not only simple in structure，Low cost，Processing ease，Take up an area space little，And powerful，Flexible movements，Manpower movement can be replaced completely，Greatly reduce labor intensity，Improve work efficiency，For meeting the requirement of the operating modes such as installation and maintenance，Should possess forward/backward to trolley drive system，Turn to the functions such as mobile，Wheel in tradition feed car frame not only to have locomotive function flexibly，But also should possess suitable bearing capacity，Because grinding machine is when normally working，Shock loading when car frame's weight and pan feeding all acts on the wheel of vehicle frame，The development maximized along with grinding machine，In addition field working conditions is severe，Wheel on vehicle frame bears the biggest shock loading for a long time，Often cause car wheel bearing stuck、Can not " move "，In turn result in the paralysis of whole feeding system，Badly influence maintenance and the maintenance of grinding machine.
[summary of the invention]
In order to overcome the deficiency in background technology, this utility model discloses a kind of mining grinding mill to the jack-up of trolley and jack-up off-load hydraulic control system, by at mining grinding mill to arranging the jack-up matched and jack-up off-load hydraulic control system on trolley, making the cylinder rod A jack-up that mining grinding mill can be provided with by jacking system when service work to trolley, the lateral wheel being provided with in cylinder rod A front end coordinates horizontal motor to complete turning function；When normally working, stand still for a long while for a long time after the wheel on motionless vehicle frame is supported by cylinder rod B and leave ground, make the wheel on vehicle frame from the effect of shock loading during normal pan feeding, effectively prevent the bearing deformation on wheel, fault, thus substantially prolongs to the purpose in the service life of trolley.
For achieving the above object, this utility model adopts the following technical scheme that
nullA kind of mining grinding mill is to the jack-up of trolley and jack-up off-load hydraulic control system，Including Hydraulic Station、Hand-operated direction valve、Choke valve、Balanced valve、Diffluence motor A、Hydraulic lock A、Hydraulic cylinder A、Tee ball valve A、Hydraulic cylinder B、Tee ball valve B and diffluence motor B，P mouth and the T mouth of described hand-operated direction valve connect Hydraulic Station respectively，The A mouth of described hand-operated direction valve is sequentially connected with a passage of choke valve、One passage of balanced valve and tee ball valve B，Described hydraulic cylinder A includes hydraulic cylinder rodless cavity A and hydraulic cylinder rod chamber A，It is provided with cylinder rod A in hydraulic cylinder rod chamber A，Described hydraulic cylinder B includes hydraulic cylinder rod chamber B and hydraulic cylinder rodless cavity B，It is provided with cylinder rod B in hydraulic cylinder rod chamber B，One way outlet of described tee ball valve B is sequentially connected with diffluence motor A、One passage of hydraulic lock A and hydraulic cylinder rodless cavity A，Another way outlet of described tee ball valve B is sequentially connected with diffluence motor B and the import of tee ball valve A，One way outlet of tee ball valve A is sequentially connected with a passage and the hydraulic cylinder rodless cavity B of hydraulic lock B，The B mouth of described hand-operated direction valve is sequentially connected with another passage connection hydraulic cylinder rod chamber A respectively through hydraulic lock A and another passage connection hydraulic cylinder rod chamber B through hydraulic lock B after another passage of choke valve and another passage of balanced valve，The relief valve oil return opening of diffluence motor A、The relief valve oil return opening of diffluence motor B and another way outlet of tee ball valve A connect Hydraulic Station.
Described mining grinding mill, to the jack-up of trolley and jack-up off-load hydraulic control system, is respectively equipped with lock on tee ball valve A and tee ball valve B.
Described mining grinding mill, to the jack-up of trolley and jack-up off-load hydraulic control system, is provided with accumulator on hydraulic cylinder rodless cavity B.
Described mining grinding mill is to the jack-up of trolley and jack-up off-load hydraulic control system, and the oil-out that described diffluence motor A and diffluence motor B is provided with is all at least four.
Described mining grinding mill, to the jack-up of trolley and jack-up off-load hydraulic control system, is provided with lateral wheel in the front end of cylinder rod A.
Owing to using technical scheme as above, this utility model has the advantages that
Mining grinding mill described in the utility model is to the jack-up of trolley and jack-up off-load hydraulic control system, by at mining grinding mill to arranging the jack-up matched and jack-up off-load hydraulic control system on trolley, making the cylinder rod A jack-up that mining grinding mill can be provided with by jacking system when service work to trolley, the lateral wheel being provided with in cylinder rod A front end coordinates horizontal motor to complete turning function；When normally working, stand still for a long while for a long time after the wheel on motionless vehicle frame is supported by cylinder rod B and leave ground, make the wheel on vehicle frame from the effect of shock loading during normal pan feeding, effectively prevent the bearing deformation on wheel, fault, thus substantially prolongs to the purpose in the service life of trolley；The features such as this utility model solves mining grinding mill and wheel when the requirement of turning function and normal work is subjected to impact when being in maintenance to trolley the drawback of load for a long time, has safe and reliable, practical, energy-saving and cost-reducing.
[accompanying drawing explanation]
Fig. 1 is hydraulic system principle figure of the present utility model；
In figure: 1, Hydraulic Station；2, hand-operated direction valve；3, choke valve；4, balanced valve；5, diffluence motor A；6, hydraulic lock A；7, hydraulic cylinder A；8, hydraulic cylinder rodless cavity A；9, hydraulic cylinder rod chamber A；10, tee ball valve A；11, lock；12, hydraulic lock B；13, hydraulic cylinder B；14, accumulator；15, tee ball valve B；16, cylinder rod A；17, diffluence motor B；18, hydraulic cylinder rod chamber B；19, cylinder rod B；20, hydraulic cylinder rodless cavity B；.
[detailed description of the invention]
Can be explained in more detail this utility model by the following examples, open the purpose of this utility model is intended to all changes and improvements in the range of protection this utility model, and this utility model is not limited to the following examples；
nullIn conjunction with the mining grinding mill described in accompanying drawing 1 to the jack-up of trolley and jack-up off-load hydraulic control system，Including Hydraulic Station 1、Hand-operated direction valve 2、Choke valve 3、Balanced valve 4、Diffluence motor A5、Hydraulic lock A6、Hydraulic cylinder A7、Tee ball valve A10、Hydraulic cylinder B13、Tee ball valve B15 and diffluence motor B17，P mouth and the T mouth of described hand-operated direction valve 2 connect Hydraulic Station 1 respectively，The A mouth of described hand-operated direction valve 2 is sequentially connected with a passage of choke valve 3、One passage of balanced valve 4 and tee ball valve B15，Described hydraulic cylinder A7 includes hydraulic cylinder rodless cavity A8 and hydraulic cylinder rod chamber A9，It is provided with cylinder rod A16 in hydraulic cylinder rod chamber A9，It is provided with lateral wheel in the front end of cylinder rod A16，Described hydraulic cylinder B13 includes hydraulic cylinder rod chamber B18 and hydraulic cylinder rodless cavity B20，Hydraulic cylinder rodless cavity B20 is provided with accumulator 14，It is provided with cylinder rod B19 in hydraulic cylinder rod chamber B18，One way outlet of described tee ball valve B15 is sequentially connected with diffluence motor A5、One passage of hydraulic lock A6 and hydraulic cylinder rodless cavity A8，Another way outlet of described tee ball valve B15 is sequentially connected with diffluence motor B17 and the import of tee ball valve A10，One way outlet of tee ball valve A10 is sequentially connected with a passage and the hydraulic cylinder rodless cavity B20 of hydraulic lock B12，The B mouth of described hand-operated direction valve 2 is sequentially connected with another passage connection hydraulic cylinder rod chamber A9 respectively through hydraulic lock A6 and another passage connection hydraulic cylinder rod chamber B18 through hydraulic lock B12 after another passage of choke valve 3 and another passage of balanced valve 4，The relief valve oil return opening of diffluence motor A5、The relief valve oil return opening of diffluence motor B17 and another way outlet of tee ball valve A10 connect Hydraulic Station 1，Tee ball valve A10 and tee ball valve B15 are respectively equipped with lock 11.
Implementing mining grinding mill described in the utility model to the jack-up of trolley and jack-up off-load hydraulic control system, this utility model possesses jack-up off-load and jack-up function:
nullJack-up unloading function is as follows: when hand-operated direction valve 2 is allocated to " right position "，P mouth is connected with A mouth，T mouth is connected with B mouth，The hydraulic oil now entered from the P mouth of hand-operated direction valve 2 is through a passage of choke valve 3、One passage of balanced valve 4 arrives tee ball valve B15，When tee ball valve B15 is allocated to " right position "，Hydraulic oil arrives the entrance of diffluence motor B17，Each oil-out of this diffluence motor B17 joins a tee ball valve A10，The lock 11 arranged on tee ball valve B15 and tee ball valve A10 can be avoided in the case of oil pressure is excessive，Touch the drawback causing fuel feeding unstable by mistake，When one of them tee ball valve A10 is allocated to " right position "，The hydraulic oil of this passage arrives a hydraulic cylinder rodless cavity B20 through a passage of hydraulic lock B12，Now，This cylinder rod B19 is stretched out，Support ground，Make slowly to be lifted to this part of trolley，Leave ground；nullWhen multiple tee ball valve A10 are allocated to " right position "，The hydraulic oil being allocated to " right position " passage arrives multiple hydraulic cylinder rodless cavity B20 through a passage of multiple hydraulic lock B12，Now，Multiple cylinder rods B19 are stretched out，Support ground simultaneously，Make slowly to lift to the some of trolley，Serve and will be lifted away from ground to trolley and wheel，Purpose to feed car wheel off-load，The accumulator 14 arranged on hydraulic cylinder rodless cavity B20 can carry out repairing to hydraulic cylinder rodless cavity B20，Can effectively ensure that excessive the balancing to the car body of trolley of deadweight，Hydraulic lock B is avoided to cause cylinder rod B19 to support instability because long-time pressurize work produces leakage，When hand-operated direction valve 2 is allocated to " left position "，P mouth is connected with B mouth，T mouth is connected with A mouth，The hydraulic oil now entered from the P mouth of hand-operated direction valve 2 is through another passage of choke valve 3、Another passage of balanced valve 4 arrives separately at hydraulic cylinder rod chamber B18，Under the effect of choke valve 3 and balanced valve 4，Slowly fall now to trolley，Feed car wheel slowly contacts ground.
nullJack-up function is as follows: when hand-operated direction valve 2 is allocated to " right position "，P mouth is connected with A mouth，T mouth is connected with B mouth，The hydraulic oil now entered from the P mouth of hand-operated direction valve 2 is through a passage of choke valve 3、One passage of balanced valve 4 arrives tee ball valve B15，When tee ball valve B15 is allocated to " right position "，Hydraulic oil arrives the entrance of diffluence motor A5，Hydraulic oil arrives hydraulic cylinder rodless cavity A8 through a passage of hydraulic lock A6 of each oil-out connection of diffluence motor A5，Now cylinder rod A16 is stretched out，The lateral wheel contact ground that cylinder rod A16 front end is provided with，Achieve the function of dolly jack-up by lateral wheel,Laterally motor coordinates lateral wheel to realize turning function，It is easy to the service work to dolly，When hand-operated direction valve 2 is allocated to " left position "，P mouth is connected with B mouth，T mouth is connected with A mouth，The hydraulic oil now entered from the P mouth of hand-operated direction valve 2 is through another passage of choke valve 3、Another passage of balanced valve 4 arrives separately at hydraulic cylinder rod chamber A9，Now cylinder rod A16 is slowly retracted，Slowly fall to trolley.
The non-detailed portion of this utility model is prior art.
Claims (5)
- null1. a mining grinding mill is to the jack-up of trolley and jack-up off-load hydraulic control system，It is characterized in that: include Hydraulic Station (1)、Hand-operated direction valve (2)、Choke valve (3)、Balanced valve (4)、Diffluence motor A(5)、Hydraulic lock A(6)、Hydraulic cylinder A(7)、Tee ball valve A(10)、Hydraulic cylinder B(13)、Tee ball valve B(15) and diffluence motor B(17)，The P mouth of described hand-operated direction valve (2) and T mouth connect Hydraulic Station (1) respectively，The A mouth of described hand-operated direction valve (2) is sequentially connected with a passage of choke valve (3)、One passage of balanced valve (4) and tee ball valve B(15)，Described hydraulic cylinder A(7) include hydraulic cylinder rodless cavity A(8) and hydraulic cylinder rod chamber A(9)，At hydraulic cylinder rod chamber A(9) in be provided with cylinder rod A(16)，Described hydraulic cylinder B(13) include hydraulic cylinder rod chamber B(18) and hydraulic cylinder rodless cavity B(20)，At hydraulic cylinder rod chamber B(18) in be provided with cylinder rod B(19)，Described tee ball valve B(15) a way outlet be sequentially connected with diffluence motor A(5)、Hydraulic lock A(6) a passage and hydraulic cylinder rodless cavity A(8)，Described tee ball valve B(15) another way outlet be sequentially connected with diffluence motor B(17) and tee ball valve A(10) import，Tee ball valve A(10) a way outlet be sequentially connected with hydraulic lock B(12) a passage and hydraulic cylinder rodless cavity B(20)，The B mouth of described hand-operated direction valve (2) is sequentially connected with after another passage of choke valve (3) and another passage of balanced valve (4) respectively through hydraulic lock A(6) another passage connect hydraulic cylinder rod chamber A(9) and through hydraulic lock B(12) another passage connect hydraulic cylinder rod chamber B(18)，Diffluence motor A(5) relief valve oil return opening、Diffluence motor B(17) relief valve oil return opening and tee ball valve A(10) another way outlet connect Hydraulic Station (1).
- Mining grinding mill the most according to claim 1, to the jack-up of trolley and jack-up off-load hydraulic control system, is characterized in that: at tee ball valve A(10) and tee ball valve B(15) on be respectively equipped with lock (11).
- Mining grinding mill the most according to claim 1, to the jack-up of trolley and jack-up off-load hydraulic control system, is characterized in that: at hydraulic cylinder rodless cavity B(20) on be provided with accumulator (14).
- Mining grinding mill the most according to claim 1, to the jack-up of trolley and jack-up off-load hydraulic control system, is characterized in that: described diffluence motor A(5) and diffluence motor B(17) oil-out that is provided with is all at least four.
- Mining grinding mill the most according to claim 1, to the jack-up of trolley and jack-up off-load hydraulic control system, is characterized in that: in cylinder rod A(16) front end be provided with lateral wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037292.0U CN205478609U (en) | 2016-01-15 | 2016-01-15 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037292.0U CN205478609U (en) | 2016-01-15 | 2016-01-15 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
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| Publication Number | Publication Date |
|---|---|
| CN205478609U true CN205478609U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620037292.0U Expired - Fee Related CN205478609U (en) | 2016-01-15 | 2016-01-15 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
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| CN (1) | CN205478609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485079A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
-
2016
- 2016-01-15 CN CN201620037292.0U patent/CN205478609U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485079A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | Jacking and jacking unloading hydraulic control system of mining mill feeding trolley |
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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: 20160817 |