CN108910648A - A kind of hydraulic control circuit for the rope grip device for catching that breaks - Google Patents
A kind of hydraulic control circuit for the rope grip device for catching that breaks Download PDFInfo
- Publication number
- CN108910648A CN108910648A CN201810964382.8A CN201810964382A CN108910648A CN 108910648 A CN108910648 A CN 108910648A CN 201810964382 A CN201810964382 A CN 201810964382A CN 108910648 A CN108910648 A CN 108910648A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- valve
- electro
- reversing valve
- way
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- 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
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
Abstract
A kind of hydraulic control circuit for the rope grip device for catching that breaks is disclosed in the present invention, including oil supply system, the electro-hydraulic commutation of 3-position 4-way and check valve, the oil supply system connects the electro-hydraulic commutation of 3-position 4-way, the check valve is connected between oil supply system and 3-position 4-way electro-hydraulic reversing valve, and shown 3-position 4-way electro-hydraulic reversing valve is separately connected the rod chamber and rodless cavity of hydraulic cylinder.The present invention uses accumulator as auxiliary power source, reduces the power consumption of hydraulic system, reduces heating, saves the energy, improves system working efficiency.System pressure is measured in real time using pressure sensor, automatic regulating system pressure improves system working efficiency, while protecting each component of hydraulic system to greatest extent, extends the service life of whole device.
Description
Technical field
The present invention relates to safety cage tool manufacturing field, in particular to a kind of hydraulic control for the rope grip device for catching that breaks
Circuit.
Background technique
Underground coal mine transportation equipment is indispensable technical equipment in the daily production of coal mine, according to its fortune in production
It send purpose different, main transporting equipment and auxiliary conveying equipments [1] can be classified as.Main transporting equipment is responsible for transporting digging operation
For the coal of face extraction to specified position, auxiliary conveying equipments are then used to transport the daily production factors such as remaining staff.
With continuing to increase for down-hole mining depth, coal transport equipment should also be constantly updated and meet production needs, however by well
Lower working environment is limited compared with severe, place space and the restriction for the bad conditions such as transit link is complicated and changeable, transporting equipment update
Upgrade slower, continue to use more than ten years even old method and mode decades ago mostly, not only influenced production efficiency into
One step improves, but also there is certain security risks, and negative uncertain factor is brought to Safety of Coal Mine Production.And frame
Overhead manned device is a kind of main transport equipment for persons in coal mine inclined shaft.That includes one kind for using in wire cable rupture
Reach the gradually device of braking purpose in arresting wirerope automatically, this device needs a kind of hydraulic control that can be reacted rapidly
Circuit processed, and since mine is limited space operation, so this control loop must satisfy small in size, light-weight, response speed
Degree is fast, and inertia is small, and rapidly, reversing impact is small, is easy to implement the condition frequently to commutate, while also needing overload for starting, braking
Protection, it is easy to operate, it is safe and reliable, it is able to achieve the function that self-lubricating prolongs the service life.One kind is developed hereby to be used for
The hydraulic control circuit of disconnected rope grip device for catching.
Summary of the invention
It is an object of the invention to solve the problem in above-mentioned technology, a kind of liquid for the rope grip device for catching that breaks is provided
Control loop is pressed, the control loop is small in size, light-weight, and fast response time, inertia is small, and starting, braking are rapid, reversing impact
It is small, it is easy to implement frequent commutation.There are also overload protections for the control loop simultaneously, easy to operate, safe and reliable, are able to achieve certainly
Lubrication such as prolongs the service life at the functions.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of hydraulic control circuit for the rope grip device for catching that breaks, including the electro-hydraulic commutation of oil supply system, 3-position 4-way and list
To valve, the oil supply system connects the electro-hydraulic commutation of 3-position 4-way, and the check valve is connected on oil supply system and 3-position 4-way electricity
Between liquid reversal valve, shown 3-position 4-way electro-hydraulic reversing valve is separately connected the rod chamber and rodless cavity of hydraulic cylinder.
Further, as a preferred technical solution, it is characterized in that, also dividing between the oil supply system and check valve
Outflow is in series with the overflow oil return line of the first overflow valve.
Further, it is shunted between the check valve and 3-position 4-way electro-hydraulic reversing valve as a preferred technical solution,
It is provided with accumulator, the second electro-hydraulic reversing valve is provided with before the accumulator, second electro-hydraulic reversing valve shunts connection first
Electro-hydraulic reversing valve and hydraulic cylinder rodless cavity.
Further, the accumulator inlet and outlet also distribute and are in series with the second overflow as a preferred technical solution,
The depressurized circuit of valve.
Further, as a preferred technical solution, between the hydraulic cylinder and 3-position 4-way electro-hydraulic reversing valve also
It is provided with hydraulic control one-way valve.
Further, the oil supply system includes motor, oil pump, shut-off valve and oil as a preferred technical solution,
Case is provided with oil absorption filter before the shut-off valve
Beneficial effect possessed by the present invention：
The present invention uses accumulator as auxiliary power source, reduces the power consumption of hydraulic system, reduces heating, saves
The energy improves system working efficiency.System pressure is measured in real time using pressure sensor, automatic regulating system pressure
Power improves system working efficiency, while protecting each component of hydraulic system to greatest extent, extends the use of whole device
Service life.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure：1, fuel tank；2, liquidometer；3, air cleaner；4, oil absorption filter；5, shut-off valve；6, the first overflow valve；
7, motor；8, oil pump；9, check valve；10, pressure gauge；11,3-position 4-way electro-hydraulic reversing valve；12, hydraulic control one-way valve；13,
Two overflow valves；14, the first electro-hydraulic reversing valve；15, the second electro-hydraulic reversing valve；16, pressure transmitter；17, accumulator；18, position
Sensor.
Specific embodiment
The present invention is further illustrated in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of hydraulic control circuit for the rope grip device for catching that breaks, including oil supply system, 3-position 4-way electricity
Liquid commutation and check valve 9, the oil supply system connect the electro-hydraulic commutation of 3-position 4-way, and the check valve 9 is connected on oil supply system
Between 3-position 4-way electro-hydraulic reversing valve 11, shown 3-position 4-way electro-hydraulic reversing valve 11 is separately connected the rod chamber of hydraulic cylinder 19
And rodless cavity.Hydraulic control one-way valve 12 is additionally provided between hydraulic cylinder 19 and 3-position 4-way electro-hydraulic reversing valve 11.Oil supply system packet
Motor 7, oil pump 8, shut-off valve 5 and fuel tank are included, 4 oil supply system of oil absorption filter and check valve 9 are provided with before the shut-off valve 5
Between also distribute the overflow oil return line for being in series with the first overflow valve 6.Divide between check valve 9 and 3-position 4-way electro-hydraulic reversing valve 11
Stream is provided with accumulator 17, and the second electro-hydraulic reversing valve 15 is provided with before the accumulator 17, and second electro-hydraulic reversing valve 15 divides
Stream the first electro-hydraulic reversing valve 14 of connection and 19 rodless cavity of hydraulic cylinder.The inlet and outlet of accumulator 17, which also distribute, is in series with the second overflow
The depressurized circuit of valve 6.The inlet and outlet of accumulator 17 are provided with pressure gauge 10 and pressure transmitter 16, for implementing reaction and monitoring
The pressure state of control loop.Preferably, air cleaner 3 is additionally provided on fuel tank 1 to be used to exclude the moisture in air,
1 side of fuel tank is arranged liquidometer 2 and changes for 1 liquid level of implementing monitoring fuel tank.
When work, after lower button activation system, electro-hydraulic reversing valve obtains electric spool and moves to right position, the electro-hydraulic commutation of 3-position 4-way
11 left position of valve obtains electric, and the first electro-hydraulic reversing valve 14 and the second electro-hydraulic reversing valve 15 are failure to actuate.Hydraulic oil passes through three all the way at this time
Four-way electro-hydraulic reversing valve 11 flows through hydraulic control one-way valve 12, injects 19 rod chamber of oil cylinder, and piston rod withdrawal is made to avoid influencing wirerope
It operates normally；Another way hydraulic oil is flowed through electro-hydraulic reversing valve injection accumulator 17, is completed to accumulator 17 by check valve 9
Pressurising.After the completion of 17 pressurising of accumulator, 11 power loss of 3-position 4-way electro-hydraulic reversing valve, spool returns to middle position under the action of the spring, electricity
Machine stops working, and system enters state of pressure keeping.System carries out pressure compensation automatically, remains working condition.Work as system detection
After rope-broken accident occurs to wirerope, the first electro-hydraulic reversing valve 14 obtains electric commutation, while electro-hydraulic reversing valve II obtains electric, accumulator 17
Interior high pressure liquid pressure oil injects rapidly 19 rodless cavity of oil cylinder, pushes piston rod, and wirerope is arrested in realization.System is using differential
The design of formula structure, improves piston rod movement speed, so that cAN _ SNture is greatly speeded up.
The description and the appended drawings of the invention be considered as it is illustrative and not restrictive, on the basis of the present invention, ability
According to disclosed technology contents, some of technical characteristics can be made field technique personnel by not needing creative labor
Some replacements and deformation, are within the scope of the invention.
Claims (6)
1. a kind of hydraulic control circuit for the rope grip device for catching that breaks, including oil supply system, 3-position 4-way electro-hydraulic reversing valve (11)
With check valve (9), which is characterized in that the oil supply system connects 3-position 4-way electro-hydraulic reversing valve (11), the check valve (9)
It is connected between oil supply system and 3-position 4-way electro-hydraulic reversing valve (11), shown 3-position 4-way electro-hydraulic reversing valve (11) is separately connected
The rod chamber and rodless cavity of hydraulic cylinder (19).
2. a kind of hydraulic control circuit for the rope grip device for catching that breaks according to claim 1, which is characterized in that described
The overflow oil return line for being in series with the first overflow valve (6) is also distributed between oil supply system and check valve (9).
3. a kind of hydraulic control circuit for the rope grip device for catching that breaks according to claim 1, which is characterized in that described
It shunts and is provided with accumulator (17) between check valve (9) and 3-position 4-way electro-hydraulic reversing valve (11), set before the accumulator (17)
It is equipped with the second electro-hydraulic reversing valve (15), it is the first electro-hydraulic reversing valve (14) and hydraulic that second electro-hydraulic reversing valve (15) shunts connection
Oil cylinder (19) rodless cavity.
4. according to a kind of hydraulic control circuit for the rope grip device for catching that breaks as claimed in claim 2, which is characterized in that the storage
Energy device (17) is imported and exported and also distributes the depressurized circuit for being in series with the second overflow valve (13).
5. a kind of hydraulic control circuit for the rope grip device for catching that breaks according to claim 1, which is characterized in that described
Hydraulic control one-way valve (12) are additionally provided between hydraulic cylinder (19) and 3-position 4-way electro-hydraulic reversing valve (11).
6. a kind of hydraulic control circuit for the rope grip device for catching that breaks according to claim 1, which is characterized in that described
Oil supply system includes motor (7), oil pump (8), shut-off valve (5) and fuel tank (1), is provided with oil absorption filter before the shut-off valve
(4)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964382.8A CN108910648A (en) | 2018-08-23 | 2018-08-23 | A kind of hydraulic control circuit for the rope grip device for catching that breaks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964382.8A CN108910648A (en) | 2018-08-23 | 2018-08-23 | A kind of hydraulic control circuit for the rope grip device for catching that breaks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108910648A true CN108910648A (en) | 2018-11-30 |
Family
ID=64404344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810964382.8A Withdrawn CN108910648A (en) | 2018-08-23 | 2018-08-23 | A kind of hydraulic control circuit for the rope grip device for catching that breaks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108910648A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197602A (en) * | 2020-01-14 | 2020-05-26 | 宝鸡石油机械有限责任公司 | Seabed base plate hydraulic system and energy-saving control method of system |
-
2018
- 2018-08-23 CN CN201810964382.8A patent/CN108910648A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197602A (en) * | 2020-01-14 | 2020-05-26 | 宝鸡石油机械有限责任公司 | Seabed base plate hydraulic system and energy-saving control method of system |
| CN111197602B (en) * | 2020-01-14 | 2022-05-13 | 宝鸡石油机械有限责任公司 | Seabed base plate hydraulic system and energy-saving control method of system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201330070Y (en) | Belt break catching apparatus for belt conveyor | |
| CN106321541B (en) | A kind of electro-hydraulic dual control hydraulic system of truck-mounted drilling rig and method | |
| CN206129947U (en) | Rubber belt conveyor disc brake hydraulic control system | |
| CN109458366B (en) | Pneumatic-hydraulic pressurizing unloading system for mine loading machinery | |
| CN205895726U (en) | Mining scraper conveyor tensioning hydraulic control system | |
| CN108910648A (en) | A kind of hydraulic control circuit for the rope grip device for catching that breaks | |
| CN201932890U (en) | Leveling and controlling device for operation bucket | |
| CN203382449U (en) | Electrohydraulic control system of self-propelled reversed loader | |
| CN204642958U (en) | A kind of fully-mechanized mining working surface transport plane tail tensioning device | |
| CN103015422A (en) | Hydraulic control system for locking oil cylinder of pile gripper of vibratory pile hammer | |
| CN201580876U (en) | Hydraulic station device for mine hoister | |
| CN107345411A (en) | Boom cylinder energy conserving system and its control method, excavator | |
| CN104787549B (en) | Fully-mechanized mining working surface transporter tail tensioning device | |
| CN204921508U (en) | All -hydraulic automatic control system and be equipped with this system scrape automatic flexible tail of trigger | |
| CN204213067U (en) | A kind of load reducer for emergency gate | |
| CN106185243B (en) | A kind of Coal Transportation band protection device and its method of work | |
| CN108488277B (en) | Hydraulic system of mining braking shuttle car | |
| CN110182610A (en) | A kind of intelligence stacker-reclaimer intelligence pitching Hydraulic system and control method | |
| CN203570720U (en) | Maintenance safety improving hydraulic system of hoisting mechanism of gate-type bucket-wheel stacker-reclaimer | |
| CN203173397U (en) | Belt-broken protective device of belt conveyer | |
| CN114607653A (en) | Excavator hoisting working condition hydraulic system and control method thereof | |
| CN204253690U (en) | TBM cutterhead brake hydraulic control system | |
| CN108916148A (en) | A kind of Mine anchorage cable tensioning machine hydraulic system | |
| CN105201932B (en) | Group water solution blowout preventing control apparatus | |
| CN210978066U (en) | Hydraulic system with integral box hopper with manual emergency lifting function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181130 |
|
| WW01 | Invention patent application withdrawn after publication |