CN208418125U - A kind of integrated valve block of automatic release remnants oil liquid - Google Patents

Abstract

The utility model provides a kind of automatic integrated valve block for discharging remaining oil liquid, including two position and four-way reversing valves, further includes a both ends difference overflow valve in parallel for two check valves, each check valve；The medium entrance of two position and four-way reversing valve is connected to oil inlet pipe, and two media outlets of two position and four-way reversing valve are respectively communicated with different check valves, and the outlet end of two position and four-way reversing valve is respectively connected to different flowlines.The utility model check valve both ends parallel connection overflow valve so that integrated valve block has the function of discharging remaining oil liquid automatically.

Description

A kind of integrated valve block of automatic release remnants oil liquid

Technical field

The utility model relates to reversal valve fields, more particularly to a kind of automatic integrated valve block for discharging remaining oil liquid.

Background technique

Grease concentrating lubricating system is the main auxiliary equipment of blast furnace roof, is provided to the main portions of blast furnace top equipment Timed lubrication reduces its abrasion, improves service life.Centralized grease lubrication solves the shortcoming of traditional artificial lubrication, When mechanical action, energy timing, fixed point, quantitative giving lubricate, and minimize the abrasion of mechanical equipment, while can reduce profit The usage amount of lubricating oil agent.

Main dry oil lubrication mode is two-wire system centralized grease lubrication in grease concentrating lubricating system, and two-wire system is concentrated dry High pressure grease after pressurization is passed through some distributors through reversal valve and oil supply pipe by oil lubrication system；According to regular hour handle The lubricant grease needed accurately supplies multiple oil sites.

There are two oil inlet, two oil inlets to connect respectively with two fuel feed pumps for two-wire system grease concentrating lubricating system.It is double Wire type grease concentrating lubricating system is mainly made of lubricating pump, reversal valve, Double-wire distributor, electric cabinet and two oil supply pipes, The high-pressure grease of lubricating pump output is through two position and four-way reversing valves and oil supply pipe Alternating Transportation to Double-wire distributor, again through two-wire Distributor is rationed, is sent to each oil site.

It is separately installed with pressure controller on two-way oil supply pipe, when pressure reaches setting value, passes through electrical automatic control System makes two position and four-way reversing valves commutate.Two-position four way change valve during do not work, A line oil outlet pipeline always with oil return Mouthful T pipeline is straight-through, and when one group of work in two groups of lubricating pipes, one group do not work, lubricating pump can be simultaneously to two groups of lubrication pipings Feed grease.It is leaked if there is moistening oil-piping all the way, will have that pipeline pressure is relatively low and two-position four way change valve can not The problem of commutation.

In addition, when A line commutates to B line there is remaining oil liquid, A line on A line between two position and four-way reversing valves and check valve Although upper remaining remaining oil liquid B line commutate to A line pressure again to rise faster, but remaining oil liquid meeting excessive on A line Have an adverse effect to two position and four-way reversing valves and whole pipeline.

In view of this, it is necessary to reversal valve in the prior art be improved, to be automatically drained out remaining oil liquid.

Summary of the invention

The purpose of this utility model is to provide a kind of integrated valve blocks, by two position and four-way reversing valves and two check valves Integrated integrated valve block, when having one group of work in two groups of oil supply pipes, another group will not open to oil container, thus will not There is backflow phenomenon, so as to avoid because pipeline pressure is relatively low to commutate the problem of.

Realize that the technical solution of the utility model aim is as follows:

A kind of integrated valve block of automatic release remnants oil liquid, including two position and four-way reversing valves further include two unidirectional A both ends difference overflow valve in parallel for valve, each check valve；The medium entrance of two position and four-way reversing valve and oil inlet Pipe connection, two media outlets of two position and four-way reversing valve are respectively communicated with different check valves, two four-ways commutation The outlet end of valve is respectively connected to different flowlines；

It further include a rectangular valve block, two position and four-way reversing valve is installed in the top surface of rectangular valve block, two lists It is installed in respectively to valve in the opposite two side walls of rectangular valve block, the another of rectangular valve block is arranged in two overflow valves parallel On side wall, another side wall is vertical with the installation side wall of check valve；

The rectangular valve block up to offering mutual disconnected first fluid channel, second fluid channel, the less Three fluid channels, the 4th fluid channel, the 5th fluid channel；

The one end in the first fluid channel is connected to oil inlet pipe, the other end in the first fluid channel and two four-ways The medium entrance of reversal valve is connected to；The one end in the second fluid channel, third fluid channel one end respectively with two four-ways The connection of two different on reversal valve media outlet, the other end of the other end in the second fluid channel, third fluid channel The liquid feeding end connection of the check valve different from two respectively, one end of the 4th fluid channel, the 5th fluid channel one end The outlet end connection of the check valve different from two respectively, the other end of the 4th fluid channel, the 5th fluid channel it is another One end different from two flowline connections respectively.

Be additionally provided in the rectangular valve block as a further improvement of the utility model: from second fluid channel middle to 6th fluid channel of outer extension, in the middle part of the 4th fluid channel outwardly extending 7th fluid channel, from third fluid channel Outwardly extending 8th fluid channel in middle part, outwardly extending 9th fluid channel from the middle part of the 5th fluid channel, the described 6th The outlet of fluid channel, the 7th fluid channel, the 8th fluid channel, the 9th fluid channel is respectively positioned on the same side wall of rectangular valve block On, the outlet of the 6th fluid channel, the outlet of the 7th fluid channel sequentially connect with the input end of any overflow valve, outlet end Logical, the outlet of the 8th fluid channel, the outlet of the 9th fluid channel sequentially connect with the input end of another overflow valve, outlet end It is logical.

It as a further improvement of the utility model, further include valve casing, two position and four-way reversing valve, check valve, overflow Valve, rectangular valve block are installed in valve casing respectively, the valve casing be equipped with through hole, the oil inlet pipe pass through through hole after with commutation The medium entrance of valve connects, and the every flowline is each passed through through hole and connects from the media outlet of different check valves.

The oil return opening of two position and four-way reversing valve is connected to oil container as a further improvement of the utility model, or The oil return opening of person, two position and four-way reversing valve are equipped with swab case.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model substitutes original two position and four-way reversing valve by integrated valve block, and integrated valve block is by two four-ways Reversal valve and two check valves are integrated.When having one group of work in two groups of lubricating pipes, idle another group will not be to store oil Device oil return, to avoid not commutating because pipeline pressure is relatively low；

2, two position and four-way reversing valves and two check valves are integrated in valve casing by the utility model, avoid scum, dust etc. Into in reversal valve, the service life and degree of protection of reversal valve are improved；

3, the utility model check valve both ends parallel connection overflow valve so that integrated valve block has and automatic discharges remaining oil liquid Function.

Detailed description of the invention

Fig. 1 is the schematic diagram of two-wire system grease lubricating system.

Fig. 2 is the structural schematic diagram of the automatic integrated valve block for discharging remaining oil liquid.

Fig. 3 is the structural schematic diagram of the automatic rectangular valve block for discharging remaining oil liquid.

Fig. 4 is the schematic perspective view of the automatic integrated valve block for discharging remaining oil liquid.

In figure, 1, oil container；2, motor；3, lubricating pump；4, overflow valve；5, pressure gauge；6, ball valve；7, integrated valve block；71, Valve casing；72, two position and four-way reversing valve；73, check valve；74, oil inlet pipe；75, A flowline；76, B flowline；77, rectangular valve block； 771, first fluid channel；772, second fluid channel；773, third fluid channel；774, the 4th fluid channel；775, the 5th Fluid channel；776, the 6th fluid channel；777, the 7th fluid channel；778, the 8th fluid channel；779, the 9th fluid channel； 78, overflow valve；8, pressure controller；9, filter；10, Double-wire distributor；11, controller.

Specific embodiment

The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that, These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.

In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the invention.

In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result, It can explicitly or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated, The meaning of " plurality " is two or more.

Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through Concrete condition understands concrete meaning of the above-mentioned term in the invention.

In order to solve in existing two-wire system grease concentrating lubricating system, if there is grease duct leaks all the way, just Can there are problems that entire pipeline pressure is relatively low and two-position four way change valve can not commutate.

It please join shown in Fig. 1, Fig. 1 is the schematic diagram of two-wire system grease lubricating system, and present embodiment discloses a kind of two-wire Formula grease lubricating system, comprising: oil container 1, lubricating pump 3, two-way oil supply pipe, Double-wire distributor 10, oil inlet pipe 74, pile-up valve The controller 11 that block 7, control integrated valve block 7 act, lubricating pump 3 is by the grease in oil container 1 sequentially through oil inlet pipe 74, pile-up valve Block 7, two-way oil supply pipe are transported to Double-wire distributor 10, the rationed grease of Double-wire distributor 10, and are sent to each oil site, Controller 11 controls integrated valve block 7 and acts, and makes two-way oil supply pipe Alternating Transportation grease.

Referring to Fig. 2, Fig. 2 is the structural schematic diagram of integrated valve block 7, integrated valve block 7 includes two position and four-way reversing valves 72, a check valve 73, the medium entrance end of two position and four-way reversing valves 72 is arranged on every oil supply pipe in two check valves 73 It is connect with oil inlet pipe 74, two media outlet ends of two position and four-way reversing valves 72 connect through check valve 73 to the check valve 73 respectively Logical oil supply pipe conveys grease.

It is preferred that the pressure monitoring element for monitoring the oil supply pipe pressure is respectively provided on two-way oil supply pipe, pressure prison The output end for surveying element is connect with the input terminal of controller 11, the pressure that controller 11 receives, processing pressure monitoring element exports Data, when which reaches setting value, controller 11 controls two position and four-way reversing valves 72 and commutates.Pressure monitoring element For pressure sensor or pressure controller, since pressure sensor or pressure controller can be arbitrarily commercially available on the market, prison The element of measuring pressure has been mature technology, and present embodiment repeats no more.

In order to control the pressure on oil inlet pipe 74, the two-wire system grease lubricating system of present embodiment further includes pressure control pipe Road, the air compression pipeline are equipped with overflow valve 4, and the grease that lubricating pump 3 flows out flows back to oil container 1 through pressure control pipeline, pressure control pipeline with Pipeline connection before integrated valve block 7.

Original two position and four-way reversing valve 72 is mainly changed to integrated valve block 7 and at this by two-wire system grease lubricating system Install plug-in one-way valve 73 on integrated valve block 7 additional.The lubricating grease that lubricating pump 3 exports flows into the P of integrated valve block 7 by oil inlet pipe 74 Mouthful.Preferably integrated valve block further includes rectangular valve block 77,

Two position and four-way reversing valves 72 are installed in the top surface of rectangular valve block 77, and two check valves 73 are installed in rectangular valve block respectively In 77 opposite two side walls, two overflow valves are arranged in parallel on another side wall of rectangular valve block 77, another side wall and installation The side wall of check valve 73 is vertical；

Mutual disconnected first fluid channel 771, second fluid channel are at least offered in rectangular valve block 77 772, third fluid channel 773, the 4th fluid channel 774, the 5th fluid channel 775；

The one end in first fluid channel 771 is connected to oil inlet pipe 74, the other end in first fluid channel 771 and two four-ways The medium entrance of reversal valve 72 is connected to；The one end in second fluid channel 772, third fluid channel 773 one end respectively with two The media outlet connection that two different on four-way reversing valve 72, the other end, the third fluid channel 773 in second fluid channel 772 The other end check valve 73 different from two respectively liquid feeding end connection, one end of the 4th fluid channel 774, the 5th fluid are logical The outlet end connection of the one end in road 775 check valve 73 different from two respectively, the other end of the 4th fluid channel 774, the 5th Different from the two flowline connections respectively of the other end of fluid channel 775

The selection A line work on controller 11, reversal valve A phase obtain electric, PB connection, by the outflow collection of B line check valve 73 At valve block 7, it is transported to Double-wire distributor 10 from B flowline 76, it is rationed by Double-wire distributor 10, it is sent to each lubrication Point.When pressure reaches setting value or the lubrication interval time arrives, reversal valve B phase it is electric, PA is connected, and is flowed by A line check valve 73 Integrated valve block 7 out are transported to Double-wire distributor 10 from A flowline 75, rationed by Double-wire distributor 10, are sent to each profit Sliding point.

Due to being integrated with two check valves 73 in integrated valve block 7, so, the lubricating grease when the work of A line, in B pipeline T mouthfuls will not be passed back into from B mouthfuls, vice versa, is avoided in this way when having one group of work in two groups of lubrications, and another group to store oil Device 1 is open, it may appear that reflux problem, so as to cause pipeline pressure it is relatively low and the problem of can not commutate.

When commutating to PB pipeline in view of PA pipeline, there are remnants on PA pipeline between two position and four-way reversing valves and check valve Oil liquid, pressure rises faster when although remaining remaining oil liquid makes PB pipeline commutate to PA again on PA pipeline, but PA pipeline Upper excessive remaining oil liquid can have an adverse effect to two position and four-way reversing valves and whole pipeline, it is therefore desirable to which appropriate release is remaining Oil liquid.An overflow valve in parallel is distinguished at the both ends of each check valve in present embodiment, is additionally provided in rectangular valve block 77: from second Outwardly extending 6th fluid channel 776 in the middle part of fluid channel 772, from 774 middle part the outwardly extending 7th of the 4th fluid channel Fluid channel 777, from outwardly extending 8th fluid channel 778 in the middle part of third fluid channel 773, from the 5th fluid channel 775 Outwardly extending 9th fluid channel 779 in middle part, the 6th fluid channel 776, the 7th fluid channel 777, the 8th fluid channel 778, the outlet of the 9th fluid channel 779 is respectively positioned on the same side wall of rectangular valve block 77, the outlet of the 6th fluid channel 776, The outlet of 7th fluid channel 777 is sequentially connected to the input end of any overflow valve 78, outlet end, the 8th fluid channel 778 Outlet, the outlet of the 9th fluid channel 779 are sequentially connected to the input end of another overflow valve 78, outlet end.When remaining oil liquid mistake When more, overflow valve is automatically opened, and remaining oil liquid excessive between two position and four-way reversing valves and check valve on PA pipeline is emitted into On the later pipeline of check valve liquid outlet.

Overflow valve 78 is arranged by the oil return opening in two-position four way change valve in present embodiment, such as by the pressure of overflow valve 78 Power is set as 6MPa, and two-position four way change valve commutation pressure is 18 MPa, when the pressure of remaining oil liquid is 6MPa or less, overflow Valve 78 does not work, and when the pressure of remaining oil liquid is between 6MPa-18 MPa, overflow valve 78 works, and overflow valve 78 is residual by part Excess oil liquid is emitted on the later pipeline of check valve liquid outlet, and when remaining oil liquid is lower than 6MPa, overflow valve 78 stops working.

Present embodiment passes through the T mouth plus a 78 abbreviation safety valve of overflow valve in two-position four way change valve, setting safety The pressure value of valve either on or off, when the work of A line, PA conducting is changed when reaching the pressure value for needing to commutate by electric control system controls To, allow PB to be connected, the safety valve at this moment installed at T mouthfuls is opened, make A oil circuit pressure release, when reaching the pressure of safety valve closing, peace Full valve is closed, and can either be met in the road A or the road B in this way there are certain pressure value so that after commutation can rapid pressure, again When can satisfy commutation, another oil circuit quick pressure releasing, so that that quickly commutates

In the present embodiment, two position and four-way reversing valves 72 and check valve 73 are installed in valve casing, on the side wall of valve casing Equipped with the multiple through holes passed through for oil inlet pipe 74, oil supply pipe.Since reversal valve and check valve 73 are integrated in a valve casing It is interior, it is equivalent to and is mounted with protective device, avoid scum, dust etc. from entering in reversal valve, improve the service life of reversal valve.

Since integrated valve block 7 is the outlet for being mounted on lubricating pump 3 in the form of inserted valve, it is only necessary to external three root canal road, And two P oil inlet pipe, AB flowlines, reduce connecting pipe in this way, is conducive to installation and maintenance work from now on, guarantees simultaneously Each point oil mass and lubrication interval.

The working principle of present embodiment is:

Original two position and four-way reversing valve is substituted by valve block formula reversal valve, installs plug-in one-way valve additional simultaneously；It forms newly Integrated valve block, i.e. integrated valve block are integrated by two position and four-way reversing valves 72 and two check valves 73.When A phase electromagnet obtain it is electric, PB conducting is transported to Double-wire distributor 10 by filter 9 to pipeline B conveying grease by check valve 73, by two-wire point Orchestration 10 is rationed, is sent to each oil site, and when pressure reaches setting value or the lubrication interval time arrives, integrated valve block 7 is automatic Commutation.B phase electromagnet obtains electric, PA conducting, conveys grease to pipeline A, equally passes through filter 9, be transported to Double-wire distributor 10, It is rationed by Double-wire distributor 10, it is sent to each oil site, when pressure reaches setting value or the lubrication interval time arrives, is integrated 7 automatic reverse of valve block.Two check valves are integrated in integrated valve block 7, every pipeline is each one integrated, when the work of A line, by It is integrated with check valve in B pipeline, so the lubricating oil in B pipeline will not flow back into oil container, conversely, when the work of B line, by It is integrated with check valve in A pipeline, so the lubricating oil in A pipeline will not flow back into oil container, is avoided in this way when two groups When having one group of work in lubrication, another group opens to oil container, it may appear that the defect to flow back pair.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (4)

1. a kind of automatic integrated valve block for discharging remaining oil liquid, including two position and four-way reversing valve (72), which is characterized in that also A both ends difference overflow valve (78) in parallel including two check valves (73), each check valve；Two four-ways change It is connected to the medium entrance of valve (72) with oil inlet pipe (74), two media outlets of two position and four-way reversing valve (72) connect respectively Lead to different check valves (73), the outlet end of two position and four-way reversing valve (72) is respectively connected to different flowlines；

It further include a rectangular valve block (77), two position and four-way reversing valve (72) is installed in the top surface of rectangular valve block (77), and two A check valve (73) is installed in respectively in the opposite two side walls of rectangular valve block (77), and two overflow valves (78) are parallel It is arranged on another side wall of rectangular valve block (77), another side wall is vertical with the installation side wall of check valve (73)；

Mutual disconnected first fluid channel (771) is at least offered on the rectangular valve block (77), second fluid leads to Road (772), third fluid channel (773), the 4th fluid channel (774), the 5th fluid channel (775)；

One end of the first fluid channel (771) is connected to oil inlet pipe (74), the other end of the first fluid channel (771) It is connected to the medium entrance of two position and four-way reversing valves (72)；One end of the second fluid channel (772), third fluid channel (773) different from upper two of two position and four-way reversing valves (72) the media outlet connections respectively of one end, the second fluid channel (772) liquid feeding end of the other end of the other end, third fluid channel (773) check valve (73) different from two respectively connects It is logical, one end of the 4th fluid channel (774), the 5th fluid channel (775) one end check valve different from two respectively (73) outlet end connection, the other end of the 4th fluid channel (774), the other end of the 5th fluid channel (775) are distinguished The flowline connection different from two.

2. the integrated valve block of automatic release remnants oil liquid according to claim 1, which is characterized in that the rectangular valve block (77) it is additionally provided on: leading to from outwardly extending 6th fluid channel (776) in second fluid channel (772) middle part, from the 4th fluid Outwardly extending 7th fluid channel (777) in the middle part of road (774), from the in the middle part of third fluid channel (773) the outwardly extending 8th Fluid channel (778), outwardly extending 9th fluid channel (779) from the middle part of the 5th fluid channel (775), the 6th fluid Channel (776), the 7th fluid channel (777), the 8th fluid channel (778), the 9th fluid channel (779) the outlet side of being respectively positioned on On the same side wall of shape valve block (77), the outlet of the 6th fluid channel (776), the outlet of the 7th fluid channel (777) according to Sequence is connected to the input end of any overflow valve (78), outlet end, and the outlet of the 8th fluid channel (778), the 9th fluid are logical The outlet in road (779) is sequentially connected to the input end of another overflow valve (78), outlet end.

3. the integrated valve block of automatic release remnants oil liquid according to claim 1 or 2, which is characterized in that it further include valve casing, Two position and four-way reversing valve (72), check valve (73), overflow valve (78), rectangular valve block (77) are installed in valve casing respectively, institute Valve casing is stated equipped with through hole, the oil inlet pipe is connect after passing through through hole with the medium entrance of reversal valve, and every described fuel-displaced Pipe is each passed through through hole and connects from the media outlet of different check valves (73).

4. the integrated valve block of automatic release remnants oil liquid according to claim 1, which is characterized in that two four-ways change It is connected to the oil return opening of valve (72) with oil container, alternatively, the oil return opening of two position and four-way reversing valve (72) is equipped with swab case.