CN109611394A - Mining foundation-free hydraulic support system, function switch module and hydraulic pressure support module - Google Patents
Mining foundation-free hydraulic support system, function switch module and hydraulic pressure support module Download PDFInfo
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
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Abstract
The present invention provides a kind of mining foundation-free hydraulic support systems, function switch module and hydraulic pressure support module, including hydraulic power unit, hydraulic power unit is connected to by the first inflow pipeline with the oil inlet end of the control valve of winding hydraulic pressure unit, hydraulic power unit is connected to by the first oil returning tube with the oil outlet of the control valve of winding hydraulic pressure unit, it further include function switching unit and hydraulic pressure support unit, the function switching unit includes multiple independent function switch modules, the hydraulic pressure support unit includes multiple independent hydraulic pressure support modules, each function switch module is connected independent control with a hydraulic pressure support module.Hydraulic support system of the invention uses hydraulic pressure support unit using the crucial forced position of sealing-tape machine, it is applied pressure on hydraulic pressure support unit footstock after hydraulic pressure support unit and top plate contact, so that sealing-tape machine main body force part generates frictional resistance, it is finally reached the purpose of foundation-free installation.
Description
Technical field
The invention belongs to crossheading sealing-tape machine fields, are related to support system, and in particular to a kind of mining foundation-free hydraulic pressure support
System.
Background technique
With the raising of China's industrial automation, constantly to raising labor productivity, efficent use of resources and reduction energy
It consumes, carry out the upgrading of the directions such as automation and intelligentized updating and development.However, due to traditional industrial model and technical barrier,
Part industry is also in the mode low, the wasting of resources using personnel's labor efficiency.
Crossheading sealing-tape machine is the prevailing traffic equipment in each exploiting field in underground, getting working face institute using conveyer belt as traction mechanism
Some coal will all transport the main coal bunker in mine bottom by main sealing-tape machine, and boosted machine is promoted to ground.Crossheading sealing-tape machine
Driving device is usually placed in head, therefore concentrates in Handpiece Location stress, needs making cement basic, blending bolt carries out tight
Gu.Concrete pedestal installation period is long, project amount is big, spends human and material resources, and dismounting belt conveyor is also relatively difficult after installation,
The environment of the long-term use of crossheading sealing-tape machine and humidity causes bolt to get rusty, and when dismounting needs damage type to remove, and takes time and effort,
Basic expense is also very high.Coal mine fully-mechanized mining gate trough-belt conveyer is the propulsion with fully-mechanized mining working and is shortened, working face
It moves another working face after having adopted to continue to use, therefore gate trough-belt conveyer needs are frequently installed and withdrawn, for this
The belt conveyor kind frequently moved, installs that the project amount withdrawn is bigger, and then improves the implementation cost of engineering.
Traditional mining gate sealing-tape machine transportation system pours pedestal mounting means using disposable cement, causes a large amount of
Resource and human cost waste.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of mining foundation-free hydraulic pressure support system
The technical issues of system, it is big to solve the existing pedestal wasting of resources, cannot achieve foundation-free installation.
In order to solve the above-mentioned technical problem, the present invention is realised by adopting the following technical scheme:
A kind of mining foundation-free hydraulic support system, including hydraulic power unit and solenoid valve, further include function switching unit and
Hydraulic pressure support unit, the function switching unit include multiple independent function switch modules, the hydraulic pressure support unit
Including multiple independent hydraulic pressure support modules, each function switch module is connected independent control with a hydraulic pressure support module；
The hydraulic power unit is connected by the second inflow pipeline with the input oil inlet end of solenoid valve, the output of solenoid valve
Oil outlet is connected with the input oil inlet end of function switch module, and the input oil outlet of function switch module passes through the second oil return pipe
Road is connected with hydraulic power unit；
First maintenance oil inlet end of the function switch module is also connected with the output oil inlet end of solenoid valve, solenoid valve
Input oil outlet be connected with the first oil returning tube；
The output oil outlet of the function switch module is connected with the oil inlet end of hydraulic pressure support module, the function
The output oil inlet end of switching module is connected with the oil outlet of hydraulic pressure support module；
The function switch module includes the preceding oil inlet pipe that one end is set as input oil inlet end, the other end of preceding oil inlet pipe
It is connected with an input terminal of shuttle valve, the output end of shuttle valve is connected with one end of rear oil inlet pipe, the other end setting of rear oil inlet pipe
To export oil outlet；
The function switch module further includes flowline, and one end of flowline is set as output oil inlet end, flowline
The other end is set as input oil outlet, and fuel-displaced hydraulic control one-way valve is equipped on flowline, and the hydraulic control end of fuel-displaced hydraulic control one-way valve connects
It connects on rear oil inlet pipe；
The function switch module further includes maintenance oil inlet pipe, and the one end for repairing oil inlet pipe is set as the first maintenance oil inlet
End, the other end for repairing oil inlet pipe are set as the first maintenance oil outlet, another input terminal of shuttle valve and the second maintenance oil inlet end
It is connected, exports and be connected with the second maintenance oil outlet on the flowline between oil inlet end and fuel-displaced hydraulic control one-way valve, flowline is close
The position of input oil outlet is connected with the third dimension and repairs oil outlet；
The liquid feeding end of maintenance pressure release hydraulic control one-way valve is connected between the shuttle valve and the second maintenance oil inlet end, maintenance is let out
The outlet end of pressure hydraulic control one-way valve is connected to fuel-displaced hydraulic control one-way valve and inputs on the flowline between outlet end, repairs pressure release liquid
Before the hydraulic control end of control check valve is connected on oil inlet pipe；
It is connected with the liquid feeding end for repairing reversed hydraulic control one-way valve on the rear inlet tube, repairs reversed hydraulic control one-way valve
Outlet end is connected to fuel-displaced hydraulic control one-way valve and inputs on the flowline between outlet end, repairs the hydraulic control of reversed hydraulic control one-way valve
End is connected on the pipeline between output oil inlet end and the second maintenance oil outlet；
The hydraulic pressure support module includes support cylinder, and the rodless cavity of support cylinder is connected with one end of oil inlet pipe, into
The other end of oil pipe is provided with oil inlet end, and the rod chamber of support cylinder is connected with one end of flowline, and the other end of flowline is set
It is equipped with oil outlet；
Throttle valve and oil inlet hydraulic control one-way valve, institute are disposed with along oil inlet end to support cylinder on the oil inlet pipe
Support cylinder to oil outlet is provided with fuel-displaced hydraulic control one-way valve on the flowline stated；The hydraulic control end of oil inlet hydraulic control one-way valve connects
It connects on the flowline between fuel-displaced hydraulic control one-way valve and oil outlet；The hydraulic control end of fuel-displaced hydraulic control one-way valve be connected to throttle valve and
On oil inlet pipe between oil inlet hydraulic control one-way valve；
One end of overflow pipe, overflow are also communicated on oil inlet pipe between the oil inlet hydraulic control one-way valve and support cylinder
The other end of pipe is connected with flowline close to the position of oil outlet；Along the side of oil inlet pipe to flowline on the overflow pipe
To being disposed with overflow valve and check valve.
The present invention also has following technical characteristic:
The input oil inlet end also passes through pipeline and is connected with input oil inlet connecting pin, and the input oil outlet also passes through
Pipeline is connected with fuel-displaced connecting pin is inputted, and the first maintenance oil inlet end also passes through pipeline and the first maintenance oil inlet connecting pin phase
Even.
In the function switching unit, input oil inlet end and input oil inlet between two neighboring function switch module connect
It connects between end, input oil outlet and the fuel-displaced connecting pin of input and the first maintenance oil inlet end and the first maintenance oil inlet connecting pin respectively
It is connected by connecting tube.
It is also communicated with survey pressure branch pipe on oil inlet pipe between the oil inlet hydraulic control one-way valve and support cylinder, surveys pressure branch pipe
End pressure gauge is installed, be provided with hand stop valve on survey between pressure gauge and oil inlet pipe pressure branch pipe.
Explosion-proof pressure sensor is provided on survey pressure branch pipe between the hand stop valve and pressure gauge.
The present invention also protects a kind of function switch module, and the preceding oil inlet pipe of input oil inlet end is set as including one end, advances
The other end of oil pipe is connected with an input terminal of shuttle valve, and the output end of shuttle valve is connected with one end of rear oil inlet pipe, rear oil inlet pipe
The other end be set as output oil outlet；
The function switch module further includes flowline, and one end of flowline is set as output oil inlet end, flowline
The other end is set as input oil outlet, and fuel-displaced hydraulic control one-way valve is equipped on flowline, and the hydraulic control end of fuel-displaced hydraulic control one-way valve connects
It connects on rear oil inlet pipe；
The function switch module further includes maintenance oil inlet pipe, and the one end for repairing oil inlet pipe is set as the first maintenance oil inlet
End, the other end for repairing oil inlet pipe are set as the first maintenance oil outlet, another input terminal of shuttle valve and the second maintenance oil inlet end
It is connected, exports and be connected with the second maintenance oil outlet on the flowline between oil inlet end and fuel-displaced hydraulic control one-way valve, flowline is close
The position of input oil outlet is connected with the third dimension and repairs oil outlet；
The liquid feeding end of maintenance pressure release hydraulic control one-way valve is connected between the shuttle valve and the second maintenance oil inlet end, maintenance is let out
The outlet end of pressure hydraulic control one-way valve is connected to fuel-displaced hydraulic control one-way valve and inputs on the flowline between outlet end, repairs pressure release liquid
Before the hydraulic control end of control check valve is connected on oil inlet pipe；
It is connected with the liquid feeding end for repairing reversed hydraulic control one-way valve on the rear inlet tube, repairs reversed hydraulic control one-way valve
Outlet end is connected to fuel-displaced hydraulic control one-way valve and inputs on the flowline between outlet end, repairs the hydraulic control of reversed hydraulic control one-way valve
End is connected on the pipeline between output oil inlet end and the second maintenance oil outlet.
The present invention also protects a kind of hydraulic pressure support module, including support cylinder, the rodless cavity of support cylinder and oil inlet pipe
One end is connected, and the other end of oil inlet pipe is provided with oil inlet end, and the rod chamber of support cylinder is connected with one end of flowline, flowline
The other end be provided with oil outlet；
Throttle valve and oil inlet hydraulic control one-way valve, institute are disposed with along oil inlet end to support cylinder on the oil inlet pipe
Support cylinder to oil outlet is provided with fuel-displaced hydraulic control one-way valve on the flowline stated；The hydraulic control end of oil inlet hydraulic control one-way valve connects
It connects on the flowline between fuel-displaced hydraulic control one-way valve and oil outlet；The hydraulic control end of fuel-displaced hydraulic control one-way valve be connected to throttle valve and
On oil inlet pipe between oil inlet hydraulic control one-way valve；
One end of overflow pipe, overflow are also communicated on oil inlet pipe between the oil inlet hydraulic control one-way valve and support cylinder
The other end of pipe is connected with flowline close to the position of oil outlet；Along the side of oil inlet pipe to flowline on the overflow pipe
To being disposed with overflow valve and check valve.
Compared with prior art, the present invention having the following technical effect that
(I) hydraulic support system of the invention uses hydraulic pressure support unit using the crucial forced position of sealing-tape machine, hydraulic
It is applied pressure on hydraulic pressure support unit footstock after support unit and top plate contact, so that sealing-tape machine main body force part generates
Frictional resistance is finally reached the purpose of foundation-free installation.Hydraulic support system not only while has thoroughly overturned traditional installation side
Formula, and the efficiency that installation is withdrawn is effectively raised, the investment of infrastructure construction is reduced, installation is substantial saved and returns
The cost removed.
(II) hydraulic support system in the application can be used repeatedly.Hydraulic pressure unit is used in hydraulic support system design
Integrated modular design, the automatic control of hydraulic pressure support cell signal feedback, switching module and overload protection.Hydraulic support system can
Realize intelligentized control method, a set of hydraulic system is able to achieve the mutual switching of multiple functions, fully meets the use under working condition.
Equipment cost of installation and maintenance is greatly lowered in hydraulic support system, it can be ensured that whole system system safe and stable operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hydraulic support system of the invention.
Fig. 2 is the structural schematic diagram of function switch module of the invention.
Fig. 3 is the structural schematic diagram of hydraulic pressure support module of the invention.
The meaning of each label in figure are as follows: 1- hydraulic power unit, 2- winding hydraulic pressure unit, 3- control valve, 4- function switch list
Member, 5- hydraulic pressure support unit, 6- function switch module, 7- hydraulic pressure support module, the first inflow pipeline of 8-, the first oil return pipe of 9-
Road, the second inflow pipeline of 10-, the second oil returning tube of 11-, 12- solenoid valve, 13- connecting tube；
601- inputs oil inlet end, and 602- exports oil outlet, and 603- exports oil inlet end, and 604- inputs oil outlet, and 605- advances
Oil pipe, 606- shuttle valve, oil inlet pipe after 607-, 608- flowline, the fuel-displaced hydraulic control one-way valve of 609-, 610- repair oil inlet pipe, 611-
First maintenance oil inlet end, 612- first repair oil outlet, and 613- second repairs oil inlet end, and 614- second repairs oil outlet, 615-
Pressure release hydraulic control one-way valve is repaired, 616- repairs reversed hydraulic control one-way valve, and 617- inputs oil inlet connecting pin, and 618- inputs fuel-displaced connection
End, 619- first repair oil inlet connecting pin, and the 620- third dimension repairs oil outlet；
701- oil inlet end, 702- oil outlet, 703- support cylinder, 704- oil inlet pipe, 705- flowline, 706- throttle valve,
707- oil inlet hydraulic control one-way valve, the fuel-displaced hydraulic control one-way valve of 708-, 709- overflow pipe, 710- overflow valve, 711- check valve, 712- are surveyed
Press branch pipe, 713- pressure gauge, 714- hand stop valve, 715- explosion-proof pressure sensor；
1201- inputs oil inlet end, and 1202- exports oil outlet, and 1203- exports oil inlet end, and 1204- inputs oil outlet.
Explanation is further explained in detail to particular content of the invention with reference to embodiments.
Specific embodiment
In compliance with the above technical solution, specific embodiments of the present invention are given below, it should be noted that the present invention not office
It is limited to following specific embodiments, all equivalent transformations made on the basis of the technical solutions of the present application each falls within protection model of the invention
It encloses.
Embodiment 1:
The present embodiment provides a kind of function switch module, as shown in Fig. 2, including that one end is set as input oil inlet end 601
Preceding oil inlet pipe 605, the other end of preceding oil inlet pipe 605 are connected with an input terminal of shuttle valve 606, and the output end of shuttle valve 606 is with after
One end of oil inlet pipe 607 is connected, and the other end of rear oil inlet pipe 607 is set as output oil outlet 602；
Function switch module 6 further includes flowline 608, and one end of flowline 608 is set as output oil inlet end 603, fuel-displaced
The other end of pipe 608 is set as input oil outlet 604, is equipped with fuel-displaced hydraulic control one-way valve 609, fuel-displaced hydraulic control on flowline 608
The hydraulic control end of check valve 609 is connected on rear oil inlet pipe 607；
Function switch module 6 further include maintenance oil inlet pipe 610, maintenance oil inlet pipe 610 one end be set as first repair into
The other end at oily end 611, maintenance oil inlet pipe 610 is set as the first maintenance oil outlet 612, another input terminal of shuttle valve 606 with
Second maintenance oil inlet end 613 is connected, and exports and is connected on the flowline 608 between oil inlet end 603 and fuel-displaced hydraulic control one-way valve 609
Second maintenance oil outlet 614, flowline 608 are connected with the third dimension close to the position of input oil outlet 604 and repair oil outlet 620；
The liquid feeding end of maintenance pressure release hydraulic control one-way valve 615, dimension are connected between shuttle valve 606 and the second maintenance oil inlet end 613
The outlet end for repairing pressure release hydraulic control one-way valve 615 is connected to fuel-displaced hydraulic control one-way valve 609 and inputs the flowline between outlet end 604
On 608, before the hydraulic control end of maintenance pressure release hydraulic control one-way valve 615 is connected on oil inlet pipe 605；
The liquid feeding end for repairing reversed hydraulic control one-way valve 616 is connected on inlet tube 607 afterwards, repairs reversed hydraulic control one-way valve
616 outlet end is connected to fuel-displaced hydraulic control one-way valve 609 and inputs on the flowline 608 between outlet end 604, repairs reversed liquid
The hydraulic control end of control check valve 616 is connected on the pipeline between output oil inlet end 603 and the second maintenance oil outlet 614.
Embodiment 2:
The present embodiment provides a kind of hydraulic pressure support module, as shown in figure 3, include support cylinder 703, support cylinder 703
Rodless cavity is connected with one end of oil inlet pipe 704, and the other end of oil inlet pipe 704 is provided with oil inlet end 701, and support cylinder 703 has
Rod cavity is connected with one end of flowline 705, and the other end of flowline 705 is provided with oil outlet 702；
Throttle valve 706 and oil inlet hydraulic control list are disposed with along oil inlet end 701 to support cylinder 703 on oil inlet pipe 704
To valve 707, support cylinder 703 to oil outlet 702 is provided with fuel-displaced hydraulic control one-way valve 708 on flowline 705；Oil inlet hydraulic control
The hydraulic control end of check valve 707 is connected on the flowline 705 between fuel-displaced hydraulic control one-way valve 708 and oil outlet 702；Fuel-displaced hydraulic control
The hydraulic control end of check valve 708 is connected on the oil inlet pipe 704 between throttle valve 706 and oil inlet hydraulic control one-way valve 707；
The one of overflow pipe 709 is also communicated on oil inlet pipe 704 between oil inlet hydraulic control one-way valve 707 and support cylinder 703
End, the other end of overflow pipe 709 are connected with flowline 705 close to the position of oil outlet 702；Along oil inlet on overflow pipe 709
The direction of pipe 704 to flowline 705 is disposed with overflow valve 710 and check valve 711.
Oil inlet pipe as a kind of preferred embodiment of the present embodiment, between oil inlet hydraulic control one-way valve 707 and support cylinder 703
Survey pressure branch pipe 712 is also communicated on 704, the end for surveying pressure branch pipe 712 is equipped with pressure gauge 713, pressure gauge 713 and oil inlet pipe
Hand stop valve 714 is provided on survey pressure branch pipe 712 between 704.Convenient for on-site supervision pressure.Hand stop valve 714 and pressure
Explosion-proof pressure sensor 715 is provided on survey pressure branch pipe 712 between power table 713.Convenient for monitoring pressure, automation control is realized
System.
The hydraulic pressure support module 7 of the present embodiment sets pressure in use, fuel feeding jacks up support cylinder 703 to support cylinder
15~45MPa, this process are crossheading sealing-tape machine normal operating conditions, i.e. 703 rodless cavity pressure of support cylinder is stablized, and do not need to adjust
The working condition of pressure.
Explosion-proof pressure sensor 715 implements monitoring rodless cavity pressure change, when the rodless cavity of support cylinder 703 is due to pipeline
Or element leakage causes stress when being reduced to a certain setting value, system carries out fluid infusion to rodless cavity in time, until rodless cavity pressure
Increase to setting value.
When the rodless cavity of support cylinder 703 due to crush cause stress increase to a certain setting value when, excessively high pressure
Power will open overflow valve 710, carry out pressure release by overflow pipe 709.
Embodiment 3:
The present embodiment provides a kind of mining foundation-free hydraulic support system, as shown in Figure 1 to Figure 3, including 1 He of hydraulic power unit
Solenoid valve 12, further includes function switching unit 4 and hydraulic pressure support unit 5, and function switching unit 4 includes that multiple independent functions are cut
Change the mold block 6, hydraulic pressure support unit 5 include multiple independent hydraulic pressure support modules 7, each function switch module 6 and one it is hydraulic
Supporting module 7 is connected independent control；
Hydraulic power unit 1 is connected by the second inflow pipeline 10 with the input oil inlet end 1201 of solenoid valve 12, solenoid valve 12
Output oil outlet 1202 be connected with the input oil inlet end 601 of function switch module 6, the input of function switch module 6 is fuel-displaced
End 604 is connected by the second oil returning tube 11 with hydraulic power unit 1；
First maintenance oil inlet end 611 of function switch module 6 is also connected with the output oil inlet end 1203 of solenoid valve 12, electricity
The input oil outlet 1204 of magnet valve 12 is connected with the first oil returning tube 9；
The output oil outlet 602 of function switch module 6 is connected with the oil inlet end 701 of hydraulic pressure support module 7, function switch
The output oil inlet end 603 of module 6 is connected with the oil outlet 702 of hydraulic pressure support module 7；
Function switch module 6 is using the function switch module in embodiment 1.
Hydraulic pressure support module 7 is using the hydraulic pressure support module in embodiment 2.
In the present embodiment, hydraulic power unit 1 also passes through the oil inlet of the first inflow pipeline 8 and the control valve 3 of winding hydraulic pressure unit 2
End connection, hydraulic power unit 1 are connected to by the first oil returning tube 9 with the oil outlet of the control valve 3 of winding hydraulic pressure unit 2, winding liquid
Pressure unit 2 and hydraulic pressure support unit 5 work independently from each other.Hydraulic power unit 1, winding hydraulic pressure unit 2, control valve 3 and solenoid valve 12
It is known product in the prior art.Solenoid valve 12 is using environmental protection, high voltage bearing three position four-way electromagnetic valve.
In the present embodiment, function switching unit 4 includes five independent function switch modules 6, and hydraulic pressure support unit 5 also wraps
Include five independent hydraulic pressure support modules 7.
As a kind of preferred embodiment of the present embodiment, oil inlet end 601 is inputted also by pipeline and input oil inlet connecting pin 617
It is connected, input oil outlet 604 is also connected by pipeline with fuel-displaced connecting pin 618 is inputted, and the first maintenance oil inlet end 611 also passes through pipe
Road is connected with the first maintenance oil inlet connecting pin 619.In the function switching unit 4 of the present embodiment, two neighboring function switch mould
Input oil inlet end 601 between block 6 and input oil inlet connecting pin 617, input oil outlet 604 and input fuel-displaced connecting pin 618 with
And first connected by connecting tube 10 respectively between maintenance oil inlet end 611 and the first maintenance oil inlet connecting pin 619.It can increase and be
That unites is integrated.
Mining foundation-free hydraulic support system of the invention when in use, connects the corresponding hydraulic pressure support unit 7 of every a pair
With function switching unit 6, linked together between multiple function switching units 6 by connecting tube 13, by each function switch list
Member 6 is connected with solenoid valve 12, hydraulic power unit 1, and hydraulic power unit 1 is connected to the control valve 3 of winding hydraulic pressure unit 2, completes all
The assembling of system.
Multiple hydraulic pressure support modules 7 are laid at the desired position, activation system, so that hydraulic pressure support module 7 arrives work
Under mode, function switch module 6 is in normal mode of operation, and maintenance port does not work.Pressure passes through solenoid valve 12, function switch
Module 6 is transmitted in support cylinder 703, and support cylinder 703 is started to work, and pressure and support force can be sensed by explosion-proof pressure
Device 715 is wirelessly transferred, real time monitoring.
When hydraulic support system needs to overhaul wherein any one group of hydraulic pressure support module 7, function switch module 6 is from normal
Working mode change to maintenance mode,
First maintenance oil inlet end 611 is connected fuel feeding by solenoid valve 12 with hydraulic power unit, and first repairs oil outlet 612, the
Two dimension repairs the maintenance oil outlet 614 of oil inlet end 613, second and the third dimension repairs oil outlet 620 and is connected with manually handle reversal valve, into
The manual operation of the various maintenance operating conditions of row.
Claims (10)
1. a kind of mining foundation-free hydraulic support system, including hydraulic power unit (1) and solenoid valve (12), it is characterised in that: also wrap
Function switching unit (4) and hydraulic pressure support unit (5) are included, the function switching unit (4) includes that multiple independent functions are cut
It changes the mold block (6), the hydraulic pressure support unit (5) includes multiple independent hydraulic pressure support modules (7), each function switch module
(6) be connected independent control with a hydraulic pressure support module (7)；
The hydraulic power unit (1) is connected by the second inflow pipeline (10) with the input oil inlet end (1201) of solenoid valve (12)
Logical, the output oil outlet (1202) of solenoid valve (12) is connected with the input oil inlet end (601) of function switch module (6), function
The input oil outlet (604) of switching module (6) is connected by the second oil returning tube (11) with hydraulic power unit (1)；
Output oil inlet end of first maintenance oil inlet end (611) of the function switch module (6) also with solenoid valve (12)
(1203) it is connected, the input oil outlet (1204) of solenoid valve (12) is connected with the first oil returning tube (9)；
The output oil outlet (602) of the function switch module (6) is connected with the oil inlet end (701) of hydraulic pressure support module (7)
Logical, the output oil inlet end (603) of the function switch module (6) is connected with the oil outlet (702) of hydraulic pressure support module (7)
It is logical；
The function switch module (6) includes the preceding oil inlet pipe (605) that one end is set as input oil inlet end (601), preceding oil inlet
The other end of pipe (605) is connected with an input terminal of shuttle valve (606), output end and rear oil inlet pipe (607) of shuttle valve (606)
One end is connected, and the other end of rear oil inlet pipe (607) is set as output oil outlet (602)；
The function switch module (6) further includes flowline (608), and one end of flowline (608) is set as output oil inlet end
(603), the other end of flowline (608) is set as input oil outlet (604), is equipped with fuel-displaced hydraulic control list on flowline (608)
To valve (609), the hydraulic control end of fuel-displaced hydraulic control one-way valve (609) is connected on rear oil inlet pipe (607)；
The function switch module (6) further includes maintenance oil inlet pipe (610), and one end of maintenance oil inlet pipe (610) is set as the
One-dimensional to repair oil inlet end (611), the other end of maintenance oil inlet pipe (610) is set as the first maintenance oil outlet (612), shuttle valve (606)
Another input terminal be connected with the second maintenance oil inlet end (613), output oil inlet end (603) and fuel-displaced hydraulic control one-way valve (609)
Between flowline (608) on be connected with the second maintenance oil outlet (614), flowline (608) is close to input oil outlet (604)
Position is connected with the third dimension and repairs oil outlet (620)；
The shuttle valve (606) and second maintenance oil inlet end (613) between be connected with maintenance pressure release hydraulic control one-way valve (615) into
Liquid end, the outlet end of maintenance pressure release hydraulic control one-way valve (615) are connected to fuel-displaced hydraulic control one-way valve (609) and input outlet end
(604) on the flowline (608) between, the hydraulic control end of maintenance pressure release hydraulic control one-way valve (615) is connected to preceding oil inlet pipe (605)
On；
It is connected with the liquid feeding end for repairing reversed hydraulic control one-way valve (616) on the rear inlet tube (607), repairs reversed hydraulic control list
Fuel-displaced hydraulic control one-way valve (609) is connected to the outlet end of valve (616) and inputs the flowline (608) between outlet end (604)
On, the hydraulic control end for repairing reversed hydraulic control one-way valve (616) is connected to output oil inlet end (603) and the second maintenance oil outlet (614)
Between pipeline on；
The hydraulic pressure support module (7) includes support cylinder (703), rodless cavity and oil inlet pipe (704) of support cylinder (703)
One end be connected, the other end of oil inlet pipe (704) is provided with oil inlet end (701), the rod chamber and flowline of support cylinder (703)
(705) one end is connected, and the other end of flowline (705) is provided with oil outlet (702)；
On the oil inlet pipe (704) along oil inlet end (701) to support cylinder (703) be disposed with throttle valve (706) and
Oil inlet hydraulic control one-way valve (707) is provided with out on the flowline (705) along support cylinder (703) to oil outlet (702)
Oily hydraulic control one-way valve (708)；The hydraulic control end of oil inlet hydraulic control one-way valve (707) is connected to fuel-displaced hydraulic control one-way valve (708) and fuel-displaced
It holds on the flowline (705) between (702)；The hydraulic control end of fuel-displaced hydraulic control one-way valve (708) is connected to throttle valve (706) and oil inlet
On oil inlet pipe (704) between hydraulic control one-way valve (707)；
Overflow pipe is also communicated on oil inlet pipe (704) between the oil inlet hydraulic control one-way valve (707) and support cylinder (703)
(709) other end of one end, overflow pipe (709) is connected with flowline (705) close to the position of oil outlet (702)；It is described
Overflow pipe (709) on along the direction of oil inlet pipe (704) to flowline (705) be disposed with overflow valve (710) and unidirectional
Valve (711).
2. mining foundation-free hydraulic support system as described in claim 1, which is characterized in that the input oil inlet end
(601) also by pipeline with input oil inlet connecting pin (617) be connected, the input oil outlet (604) also pass through pipeline with it is defeated
Enter fuel-displaced connecting pin (618) to be connected, first maintenance oil inlet end (611) also passes through pipeline and the first maintenance oil inlet connecting pin
(619) it is connected.
3. mining foundation-free hydraulic support system as claimed in claim 2, which is characterized in that the function switching unit
(4) in, input oil inlet end (601) and input oil inlet connecting pin (617) between two neighboring function switch module (6), input
Oil outlet (604) and the fuel-displaced connecting pin (618) of input and the first maintenance oil inlet end (611) and the first maintenance oil inlet connecting pin
(619) it is connected respectively by connecting tube (13) between.
4. mining foundation-free hydraulic support system as described in claim 1, which is characterized in that the oil inlet hydraulic control one-way valve
(707) it is also communicated with survey pressure branch pipe (712) on the oil inlet pipe (704) between support cylinder (703), surveys pressure branch pipe (712)
End is equipped with pressure gauge (713), is provided with manually in survey pressure branch pipe (712) between pressure gauge (713) and oil inlet pipe (704)
Shut-off valve (714).
5. mining foundation-free hydraulic support system as claimed in claim 4, which is characterized in that the hand stop valve
(714) explosion-proof pressure sensor (715) are provided in survey pressure branch pipe (712) between pressure gauge (713).
6. a kind of function switch module, which is characterized in that be set as the preceding oil inlet pipe of input oil inlet end (601) including one end
(605), the other end of preceding oil inlet pipe (605) is connected with an input terminal of shuttle valve (606), and the output end of shuttle valve (606) is with after
One end of oil inlet pipe (607) is connected, and the other end of rear oil inlet pipe (607) is set as output oil outlet (602)；
The function switch module (6) further includes flowline (608), and one end of flowline (608) is set as output oil inlet end
(603), the other end of flowline (608) is set as input oil outlet (604), is equipped with fuel-displaced hydraulic control list on flowline (608)
To valve (609), the hydraulic control end of fuel-displaced hydraulic control one-way valve (609) is connected on rear oil inlet pipe (607)；
The function switch module (6) further includes maintenance oil inlet pipe (610), and one end of maintenance oil inlet pipe (610) is set as the
One-dimensional to repair oil inlet end (611), the other end of maintenance oil inlet pipe (610) is set as the first maintenance oil outlet (612), shuttle valve (606)
Another input terminal be connected with the second maintenance oil inlet end (613), output oil inlet end (603) and fuel-displaced hydraulic control one-way valve (609)
Between flowline (608) on be connected with the second maintenance oil outlet (614), flowline (608) is close to input oil outlet (604)
Position is connected with the third dimension and repairs oil outlet (620)；
The shuttle valve (606) and second maintenance oil inlet end (613) between be connected with maintenance pressure release hydraulic control one-way valve (615) into
Liquid end, the outlet end of maintenance pressure release hydraulic control one-way valve (615) are connected to fuel-displaced hydraulic control one-way valve (609) and input outlet end
(604) on the flowline (608) between, the hydraulic control end of maintenance pressure release hydraulic control one-way valve (615) is connected to preceding oil inlet pipe (605)
On；
It is connected with the liquid feeding end for repairing reversed hydraulic control one-way valve (616) on the rear inlet tube (607), repairs reversed hydraulic control list
Fuel-displaced hydraulic control one-way valve (609) is connected to the outlet end of valve (616) and inputs the flowline (608) between outlet end (604)
On, the hydraulic control end for repairing reversed hydraulic control one-way valve (616) is connected to output oil inlet end (603) and the second maintenance oil outlet (614)
Between pipeline on.
7. function switch module as claimed in claim 6, which is characterized in that the input oil inlet end (601) also passes through pipe
Road is connected with input oil inlet connecting pin (617), and the input oil outlet (604) also by pipeline and inputs fuel-displaced connecting pin
(618) it is connected, first maintenance oil inlet end (611) is also connected by pipeline with the first maintenance oil inlet connecting pin (619).
8. a kind of hydraulic pressure support module, which is characterized in that including support cylinder (703), the rodless cavity of support cylinder (703) with into
One end of oil pipe (704) is connected, and the other end of oil inlet pipe (704) is provided with oil inlet end (701), and support cylinder (703) has bar
Chamber is connected with the one end of flowline (705), and the other end of flowline (705) is provided with oil outlet (702)；
On the oil inlet pipe (704) along oil inlet end (701) to support cylinder (703) be disposed with throttle valve (706) and
Oil inlet hydraulic control one-way valve (707) is provided with out on the flowline (705) along support cylinder (703) to oil outlet (702)
Oily hydraulic control one-way valve (708)；The hydraulic control end of oil inlet hydraulic control one-way valve (707) is connected to fuel-displaced hydraulic control one-way valve (708) and fuel-displaced
It holds on the flowline (705) between (702)；The hydraulic control end of fuel-displaced hydraulic control one-way valve (708) is connected to throttle valve (706) and oil inlet
On oil inlet pipe (704) between hydraulic control one-way valve (707)；
Overflow pipe is also communicated on oil inlet pipe (704) between the oil inlet hydraulic control one-way valve (707) and support cylinder (703)
(709) other end of one end, overflow pipe (709) is connected with flowline (705) close to the position of oil outlet (702)；It is described
Overflow pipe (709) on along the direction of oil inlet pipe (704) to flowline (705) be disposed with overflow valve (710) and unidirectional
Valve (711).
9. hydraulic pressure support module as claimed in claim 8, which is characterized in that the oil inlet hydraulic control one-way valve (707) and branch
Survey pressure branch pipe (712) is also communicated on oil inlet pipe (704) between support oil cylinder (703), the end for surveying pressure branch pipe (712) is equipped with
Pressure gauge (713), the survey between pressure gauge (713) and oil inlet pipe (704) press and are provided with hand stop valve on branch pipe (712)
(714)。
10. hydraulic pressure support module as claimed in claim 9, which is characterized in that the hand stop valve (714) and pressure gauge
(713) explosion-proof pressure sensor (715) are provided in survey pressure branch pipe (712) between.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811621253.5A CN109611394B (en) | 2018-12-28 | 2018-12-28 | Mining foundation-free hydraulic support system, function switching module and hydraulic support module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621253.5A CN109611394B (en) | 2018-12-28 | 2018-12-28 | Mining foundation-free hydraulic support system, function switching module and hydraulic support module |
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| CN109611394B CN109611394B (en) | 2023-11-10 |
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| DE102008053061A1 (en) * | 2008-10-24 | 2010-04-29 | Hydac System Gmbh | Hydromechanical support device, particularly for holding working platforms erected on floor space in desired alignment position, comprises hydraulic system which has preselection valve which is upstream hydraulic cylinders |
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|---|---|
| CN109611394B (en) | 2023-11-10 |
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