CN109484957A - A kind of anti-blanking protection device of mine skip lifting system - Google Patents
A kind of anti-blanking protection device of mine skip lifting system Download PDFInfo
- Publication number
- CN109484957A CN109484957A CN201910023436.5A CN201910023436A CN109484957A CN 109484957 A CN109484957 A CN 109484957A CN 201910023436 A CN201910023436 A CN 201910023436A CN 109484957 A CN109484957 A CN 109484957A
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- mine
- skip
- lifting system
- controller
- protection device
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- 239000000463 material Substances 0.000 claims abstract description 34
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 32
- 239000011707 mineral Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000005303 weighing Methods 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 4
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000007480 spreading Effects 0.000 description 10
- 238000003892 spreading Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 nonmetallic Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/14—Applications of loading and unloading equipment
- B66B17/28—Applications of loading and unloading equipment electrically controlled
- B66B17/32—Applications of loading and unloading equipment electrically controlled for skips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/36—Gates or other apparatus controlling access to, or exit from, cars, cages, or hoistway landings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/06—Applications of signalling devices
Landscapes
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a kind of anti-blanking protection device of mine skip lifting system, which includes bearing material platform mechanism, and the bearing material platform mechanism is located at skip hoisting system lower part；The bearing material platform mechanism is used to accept the mineral aggregate that the skip hoisting system scatters and weighs to the mineral aggregate scattered；Controller, what the controller was used to be got according to the bearing material platform mechanism scatters the sending protection instruction of mineral aggregate weight.The device can solve the drawbacks such as necessary halt system operation when shaft bottom manual inspection inconvenience, live risk height, inspection, the research and development of the covering device improve the safety of mine skip lifting system, there are the physical strength and labor intensity for significantly reducing worker, realizes efficient operation.It can not only be applied to friction type winder, be equally applicable in single wire winding type skip hoisting system；The device can be also used in the system that other are endangered there are windrow simultaneously.
Description
Technical field
The present invention relates to safety guard technical fields, protect more particularly to a kind of anti-blanking of mine skip lifting system
Protection unit.
Background technique
The mineral products such as ore, the coal of mine mostly use skip in shaft to be promoted in such a way that vertical proposes mine, generally promotion dustpan
Bucket is divided into two groups, and using upper and lower balancing lift, common lifting system has single rope winding hoist with skip bucket, and more ropes rub
Erasing elevator is promoted with skip bucket, balance rope, and friction type winder is flat since the general installation system in the lower part of skip bucket balances
Weigh wirerope, and wirerope hangs over the lower end of skip bucket by suspension arrangement, and tail rope isolating device, skip bucket are arranged at tail rope convolution
Inevitably occur spreading mine during loading, unloading ore, general mine mostly uses the mode of periodic cleaning, due under skip bucket
Side and cleaning chamber bad environments, personnel are not easy to check, due to being spread the conditions such as mine, mine fog by pit shaft water drenching, handling mine
Restrict and modernize observation equipment be not available, once mine occur in lifting process skip bucket gate of sector-like shape switch less than
Position, measure hopper are failed, ore unloads phenomena such as unclean in skip bucket, are easily caused material largely to be trickled down and are promoted bottom, once
The safety of lifting system will be seriously affected by being stacked into certain amount, have multiple mines because windrow causes tail rope to grind end, tail rope
It beats strands, steel wire iope slippage, the accidents such as break, how safety code clearly this protection requirement not yet avoids this kind of phenomenon can
The severe compromise that can cause.
Summary of the invention
The present invention provides a kind of anti-blanking protection devices of mine skip lifting system.
The present invention provides following schemes:
A kind of anti-blanking protection device of mine skip lifting system, comprising:
Bearing material platform mechanism, the bearing material platform mechanism are located at skip hoisting system lower part；The bearing material platform mechanism is for holding
It connects the mineral aggregate that the skip hoisting system scatters and weighs to the mineral aggregate scattered；
Controller, scatter mineral aggregate weight sending protection of the controller for being got according to the bearing material platform mechanism refer to
It enables.
Preferred: the controller is connected with alarm assemblies, when it is described scatter mineral aggregate weight be the first weight when, the control
Device processed is sounded an alarm for controlling the alarm assemblies.
Preferred: the controller is electrically connected with the safety return circuit of the liter Electrical Control of the skip hoisting system, when described
When to scatter mineral aggregate weight be the second weight, the controller is used to send blocking order to the safety return circuit of described liter of Electrical Control,
So that the safety return circuit control elevator of described liter of Electrical Control stops working.
Preferred: first weight is less than second weight.
Preferred: the bearing material platform mechanism includes basic courses department, and the basic part is in mine bottom；In the basic courses department
It is provided with the equal weighing sensor being connected with the controller, the weighing sensor top is provided with bearing plate；The undertaking
For accepting the mineral aggregate that the skip hoisting system scatters, the weighing sensor is used for scattering on the bearing plate plate
Mineral aggregate is weighed.
Preferred: the weighing sensor is 4,4 weighing sensors be two-by-two one group be uniformly distributed in it is described
Basic courses department top.
Preferred: the weighing sensor is explosion-proof water proof type weighing sensor.
Preferred: the weighing sensor is connected by I-steel with the bearing plate.
Preferred: the bearing plate is steel plate.
Preferred: the controller is PLC controller.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
By the invention it is possible to realize a kind of anti-blanking protection device of mine skip lifting system, it in an implementation mode, should
Device may include bearing material platform mechanism, and the bearing material platform mechanism is located at skip hoisting system lower part；The bearing material platform machine
Structure is used to accept the mineral aggregate that the skip hoisting system scatters and weighs to the mineral aggregate scattered；Controller, the controller
The mineral aggregate weight that scatters for being got according to the bearing material platform mechanism issues protection instruction.The device can solve shaft bottom
The drawbacks such as necessary halt system operation, the research and development of the covering device i.e. raising when manual inspection inconvenience, live risk height, inspection
The safety of mine skip lifting system has the physical strength and labor intensity that significantly reduce worker, realizes efficient operation.It can not only
Applied to friction type winder, it is equally applicable in single wire winding type skip hoisting system；The device can also be used simultaneously
In other, there are in the system of windrow harm.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that a kind of use state of anti-blanking protection device of mine skip lifting system provided in an embodiment of the present invention is shown
It is intended to;
Fig. 2 is provided in an embodiment of the present invention to electricly connect block diagram；
Fig. 3 is the structural schematic diagram of bearing material platform mechanism provided in an embodiment of the present invention；
Fig. 4 is the top view provided in an embodiment of the present invention for electricly connecting block diagram bearing material platform mechanism.
In figure: bearing material platform mechanism 1, basic courses department 101, weighing sensor 102, bearing plate 103, I-steel 104, skip bucket mention
Rise system 2, controller 3, alarm assemblies 4, safety return circuit 5, elevator 6, mine 7.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, for a kind of anti-blanking guarantor of mine skip lifting system provided in an embodiment of the present invention
Protection unit, as shown in Figure 1, Figure 2, Figure 3, Figure 4, the device include bearing material platform mechanism 1, and the bearing material platform mechanism 1 is located at dustpan
Bucket 2 lower part of lifting system；The bearing material platform mechanism 1 is used to accept mineral aggregate that the skip hoisting system 2 scatters and to scattering
Mineral aggregate weigh；
Controller 3, what the controller 3 was used to be got according to the bearing material platform mechanism 1 scatters the sending protection of mineral aggregate weight
Instruction.The controller can be PLC controller.
Further, the controller 3 is connected with alarm assemblies 4, when it is described scatter mineral aggregate weight be the first weight when, institute
Controller 3 is stated to sound an alarm for controlling the alarm assemblies 4.The liter of the controller 3 and the skip hoisting system 2 is electromechanical
The safety return circuit 5 of control is electrically connected, when it is described to scatter mineral aggregate weight be the second weight when, the controller 3 is used for described liter of machine
Automatically controlled safety return circuit 5 sends blocking order, stops working so that the safety return circuit 5 of described liter of Electrical Control controls elevator 6.Tool
Body, first weight is less than second weight.First weight can be set as lighter weight, i.e., only spreads on a small quantity
When falling, hoister or patrol officer can be prompted by way of giving a warning.When reaching the second weight, illustrate that this holds
On weight platform mechanism to scatter mineral aggregate amount bigger, need to control elevator at this time and stop working.Prevent the generation of major accident.
Further, the bearing material platform mechanism 1 includes basic courses department 101, and the basic courses department 101 is located at 7 bottom of mine；Institute
It states and is provided with the equal weighing sensor 102 being connected with the controller 3 in basic courses department 101,102 top of weighing sensor is set
It is equipped with bearing plate 103；The bearing plate 103 is for accepting the mineral aggregate that the skip hoisting system scatters, the weighing sensor
For weighing to the mineral aggregate scattered on the bearing plate.Mineral aggregate is weighed in order to be more accurate, the weighing
Sensor 102 is 4, and 4 weighing sensors 102 are uniformly distributed in the basic courses department top.The weighing sensor 102
For explosion-proof water proof type weighing sensor.Further, the weighing sensor 102 passes through I-steel 104 and the bearing plate
103 are connected.The bearing plate is steel plate.
In order to facilitate understanding, Structure of hoist and principle are simply introduced below.
Multi-rope friction hoisting machine refers to a kind of as the mine mechanism for promoting mineral, lifts personnel and material.It is suitable
Vertical shaft for the mines such as coal, non-ferrous metal, ferrous metal, nonmetallic, chemical industry.
1, friction type winder product execute Q/HBWF006-2014 " multi-rope friction hoisting machine " company standard,
AQ1036-2007 " coal mine multi-rope friction hoisting machine safety verification specification " and 2010 " multi-rope friction type of GB/T10599-
Elevator " standard.
2, the working principle of friction type winder
It when starting main motor, is transferred power on the high speed shaft of retarder, is passed through by yielding coupling by motor rotor
After crossing retarder gear reduction, then by the driven axle of retarder main shaft device, multi-rope friction type are passed to by gear coupling
Elevator rides on friction pulley using flexible body frictional drive principle, wirerope, and wirerope rides on friction pulley, and its two
End respectively suspended on the container of a promotion, is driven by the frictional force being mounted between the liner and wirerope on friction pulley
Wirerope, and then make the container raising and lowering promoted, it is exactly such the completing mine conveying weight of the task.Multi-rope friction type mentions
Using flexible body frictional drive principle, wirerope rides on friction pulley the machine of liter, utilizes the frictional force between wirerope and liner
To promote or transfer weight and personnel.Frictional mine hoist utilizes rubbing between boom hoist cable and the friction lining of friction pulley
Power is wiped to transmit its power.For friction type winder when operating, friction pulley drives boom hoist cable by frictional force,
Increase its heavily loaded side wirerope, unloaded side wirerope decentralization.
3, multi-rope friction hoisting machine arrangement is divided into headframe formula and two kinds of console mode by arrangement.
Multi-rope friction hoisting machine is suitable for the vertical of coal mine, metallic ore, nonmetallic ore, as promotion mineral and lifting people
Member, material and equipment are used.
The course of work in friction hoisting system
Vertical shaft skip is promoted, and is referred to that ore transports to the bright room of shaft station cardump, is discharged in shaft pocket through portion's cage, is passed through by rock feeder
Cross quantitative loading equipment dress people's skip bucket.Meanwhile its another bucket is located at ground unloading position.When skip bucket is bent into the unloading on people's derrick
When rail, the gate of bottom is opened, and ore unloads in people's well head ore storage bin.Two skip buckets are respectively by two wire rope hangings, wirerope
The other end bypass head sheave, be respectively wrapped in a reverse direction in elevator rolling letter, when elevator drum rotates, one, skip bucket to
Upper one moves down, and reaches loading and unloading position simultaneously, so that loading, unloading is worked while carrying out.
The structure of more rope ore skips is mainly that suspension arrangement and gate mechanism and single rope skip bucket are slightly different, Duo Shengti coal
The gate structure of skip bucket, which is divided into, unloads two kinds of bend unlatching and outer power unlatching.Large-scale more rope skip buckets mostly use outer power opening and closing lock
Door, small-sized skip bucket use two kinds of unloading manners of bottom-dump mode of dump rail；No matter which kind of plays mode uninstalling system mechanism
All more complicated, maintenance load is big.
The dress mine of skip bucket:
Skip bucket generally has the measure hopper of lifting system and dress barrow band to carry out dress mine to skip bucket after reaching dress mine position, and dress ore mining is used
Upper load, the mode of lower part unloading, is specifically shown in lifting system figure.
The uninstall process of skip hoisting ore
The promotion skip bucket in how many mine is unloaded using following two mode:
1, the gate structure form of outer power opening and closing mainly has vertical flat plate gate, four link type bottom gate of sector-like shape and outer roller type
Bottom gate of sector-like shape is opened by outer eight gate of power after promoting skip bucket in place, realizes the unloading of ore, close again after the completion of unloading
Closing gate.
2, curve trail load mode: when skip hoisting is to unloading position, the directive wheel of skip bucket gate of sector-like shape is in the dynamic of bend
Under power drive open gate realize ore unloading, after completion of discharge driving directive wheel drive under closed shutter, under
One promotes circulation.
There are the problem of:
1, no matter the skip bucket of which kind of unloading manner, the gate of sector-like shape switch for occurring skip bucket during loading, unloading mine is not in place, quantitative
Ore unloads phenomena such as not clean excess dress mine in the more dress ores of bucket failure, skip bucket, easily material is caused largely to trickle down winding shaft
Bottom, since the skip hoisting system of general mine is promoted, speed is high, lifting capacity is big, will be when very short once there is leakage mine
It is interior that wellbore bottom is accumulated, once the safety of lifting system will be seriously affected by being stacked into certain amount, have multiple mines
Because windrow causes the accidents such as tail rope grinds end, tail rope is beaten strand, steel wire iope slippage, broken.
Following effect may be implemented in such a way that spreading is quantitatively protected in the present invention:
First is that spreading is alarmed, when using slight spreading, there is alarm signal in device, and the note of driver or patrol officer are reminded with this
Meaning, the ore that cleaning is trickled down in time；
Second is that spreading safety interlocking, when material accumulation is to certain altitude, also not up to endangers system improving or tail rope is normally transported
When turning, using the safety protection loop of locking elevator, keeps its elevator out of service, be not cleaned to home in spreading
When, elevator cannot be run, guarantees the safety of lifting system with this.
Third is that can solve shaft bottom manual inspection inconvenience, live risk height, inspection using anti-blanking protection device
The drawbacks such as Shi Bixu halt system operation, the research and development of the covering device improve the safety of mine skip lifting system, have significantly
The physical strength and labor intensity of worker are alleviated, realizes efficient operation.
Bearing material platform mechanism provided by the present application is mainly used for accepting the spreading of skip bucket, and the shape and size of the device are wanted
It is arranged according to mineshaft diameter, it is ensured that spreading is fallen on platform；
Explosion-proof sensor group (four angles for being mounted on platform):
It can two-by-two be one group in specific setting；Wherein one group of alarm for spreading a little in detection platform；Another group of use
Surpassing setting weight in detection platform is locking safety return circuit；
The purpose of 4 sensors is set: it is accurate to weight detecting, while 1 sensor being avoided error occur；
Material of the device to platform and its above carries out weight metering, mainly using the (weighing of explosion-proof, water proof type weighing sensor
The principle of sensor: elastomer (elastic element, sensitive beam) generates flexible deformation under external force, makes to be pasted onto his surface
Resistance strain gage (conversion element) also in company with being deformed, after resistance strain gage deformation, its resistance value, which will change, (to be increased
Or reduce), then this resistance variations is converted to electric signal (voltage or electric current) through corresponding measuring circuit, so as to complete inciting somebody to action
External force is transformed to the process of electric signal.
Can also conversion module be set: mainly the electric signal of sensor 4-20mA, being converted into switching value, makes its progress
Alarm or safety interlocking；
According to the weight set two values of setting platform and its unrestrained material, first is that alarming value, converts electrical signals into switch
Amount (is exported) using contact open in usual, once there is a certain amount of spreading, the alarm system of device connection is opened, and is reminded and is promoted
Machine driver or patrol officer；Second is that protection blocking value, converts electrical signals into the output point of normally closed type formula, the point string to promotion
In the safety return circuit of Electrical Control, prevent its elevator from starting, running.
Connection protective module can also be arranged: the local operation case of connection warning device and elevator promotes its locking
Electrical Control.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of anti-blanking protection device of mine skip lifting system characterized by comprising
Bearing material platform mechanism, the bearing material platform mechanism are located at skip hoisting system lower part；The bearing material platform mechanism is for holding
It connects the mineral aggregate that the skip hoisting system scatters and weighs to the mineral aggregate scattered；
Controller, scatter mineral aggregate weight sending protection of the controller for being got according to the bearing material platform mechanism refer to
It enables.
2. the anti-blanking protection device of mine skip lifting system according to claim 1, which is characterized in that the controller
Be connected with alarm assemblies, when it is described to scatter mineral aggregate weight be the first weight when, the controller is for controlling the alarm assemblies
It sounds an alarm.
3. the anti-blanking protection device of mine skip lifting system according to claim 2, which is characterized in that the controller
Be electrically connected with the safety return circuit of the liter Electrical Control of the skip hoisting system, when it is described scatter mineral aggregate weight be the second weight when,
The controller is used to send blocking order to the safety return circuit of described liter of Electrical Control, so as to the safety return circuit of described liter of Electrical Control
Control elevator stops working.
4. the anti-blanking protection device of mine skip lifting system according to claim 3, which is characterized in that first weight
Amount is less than second weight.
5. the anti-blanking protection device of mine skip lifting system according to claim 1, which is characterized in that the bearing material is flat
Platform mechanism includes basic courses department, and the basic part is in mine bottom；It is provided with and equal is connected in the basic courses department with the controller
Weighing sensor, the weighing sensor top is provided with bearing plate；The bearing plate is for accepting the skip hoisting system
The mineral aggregate that system scatters, the weighing sensor is for weighing to the mineral aggregate scattered on the bearing plate.
6. the anti-blanking protection device of mine skip lifting system according to claim 5, which is characterized in that the weighing passes
Sensor is 4, and 4 weighing sensors are one group and are uniformly distributed in the basic courses department top two-by-two.
7. the anti-blanking protection device of mine skip lifting system according to claim 6, which is characterized in that the weighing passes
Sensor is explosion-proof water proof type weighing sensor.
8. the anti-blanking protection device of mine skip lifting system according to claim 7, which is characterized in that the weighing passes
Sensor is connected by I-steel with the bearing plate.
9. the anti-blanking protection device of mine skip lifting system according to claim 8, which is characterized in that the bearing plate
For steel plate.
10. the anti-blanking protection device of mine skip lifting system according to claim 1, which is characterized in that the control
Device is PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023436.5A CN109484957A (en) | 2019-01-10 | 2019-01-10 | A kind of anti-blanking protection device of mine skip lifting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023436.5A CN109484957A (en) | 2019-01-10 | 2019-01-10 | A kind of anti-blanking protection device of mine skip lifting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109484957A true CN109484957A (en) | 2019-03-19 |
Family
ID=65714390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910023436.5A Pending CN109484957A (en) | 2019-01-10 | 2019-01-10 | A kind of anti-blanking protection device of mine skip lifting system |
Country Status (1)
| Country | Link |
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| CN (1) | CN109484957A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357714A (en) * | 2020-11-27 | 2021-02-12 | 湖南煤矿机械有限公司 | Head sheave and skip monitoring device of mine hoist |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857159A (en) * | 2010-06-03 | 2010-10-13 | 中国恩菲工程技术有限公司 | Device for protecting and controlling tail rope kinking of hoisting machine |
| CN102398837A (en) * | 2011-12-05 | 2012-04-04 | 枣庄矿业（集团）有限责任公司蒋庄煤矿 | Main shaft hoist shaft bottom coal pile monitoring system |
| WO2015074358A1 (en) * | 2013-11-25 | 2015-05-28 | 徐州煤矿安全设备制造有限公司 | Large-tonnage narrow and long external force type bend unloading skip bucket |
| CN209411569U (en) * | 2019-01-10 | 2019-09-20 | 临沂矿业集团有限责任公司 | A kind of anti-blanking protection device of mine skip lifting system |
-
2019
- 2019-01-10 CN CN201910023436.5A patent/CN109484957A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857159A (en) * | 2010-06-03 | 2010-10-13 | 中国恩菲工程技术有限公司 | Device for protecting and controlling tail rope kinking of hoisting machine |
| CN102398837A (en) * | 2011-12-05 | 2012-04-04 | 枣庄矿业（集团）有限责任公司蒋庄煤矿 | Main shaft hoist shaft bottom coal pile monitoring system |
| WO2015074358A1 (en) * | 2013-11-25 | 2015-05-28 | 徐州煤矿安全设备制造有限公司 | Large-tonnage narrow and long external force type bend unloading skip bucket |
| CN209411569U (en) * | 2019-01-10 | 2019-09-20 | 临沂矿业集团有限责任公司 | A kind of anti-blanking protection device of mine skip lifting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357714A (en) * | 2020-11-27 | 2021-02-12 | 湖南煤矿机械有限公司 | Head sheave and skip monitoring device of mine hoist |
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Application publication date: 20190319 |