CN105905846A - Mobile lifting overhauling platform in underground coal mine - Google Patents
Mobile lifting overhauling platform in underground coal mine Download PDFInfo
- Publication number
- CN105905846A CN105905846A CN201610379533.4A CN201610379533A CN105905846A CN 105905846 A CN105905846 A CN 105905846A CN 201610379533 A CN201610379533 A CN 201610379533A CN 105905846 A CN105905846 A CN 105905846A
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- CN
- China
- Prior art keywords
- actuator port
- platform
- oil
- mobile lifting
- control valves
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- 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
Abstract
The invention relates to a mobile lifting overhauling platform in an underground coal mine. A heavier or bigger article can be lifted directly by the mobile lifting overhauling platform, without the need of an external device, and a device needing to be mounted is directly mounted, so that other transportation costs are reduced; the mobile lifting overhauling platform is convenient to operate, maintenance places can be changed any time any where, and an additional device for auxiliary operation is not needed; oil cylinders on two sides can be controlled independently, so that the stability is improved, and the life safety of maintenance personnel is ensured well; a hydraulic lock is automatically opened during the ascending and descending process, but the hydraulic lock is automatically locked during the on-site maintenance process of the maintenance personnel; and even if a vehicle is broken down or oil leaks from a pipeline, a lifting platform is also kept at the original position, so that the safety coefficients are further increased. After the lifting platform is broken down, ground personnel can control a manual pump to realize the stable descending of the lifting platform, so as to ensure the safety of the maintenance personnel on the lifting platform and transfer vehicles for maintenance.
Description
Technical field
The present invention relates to a kind of underground mine use Mobile lifting inspection platform, for overhauling at coal mine down-hole tunnel operation at top.
Background technology
In the industry of colliery, the work high above the ground of underworkings top must use scaffold or hydraulic elevating platform, and conventional top, down-hole work high above the ground has a following defect:
1, conventional down-hole work high above the ground can only carry out descending operation operation in a certain fixing position.If changing a position to need operation to need again to set up operating platform, repeating same step, time-consuming taking a lot of work.
The anti-explosion electric of 2, conventional down-hole work high above the ground use or dedicated hydraulic platform, need to select external power source, and underground coal mine electric power source needs each hundreds of rice or upper km just to have one, and dedicated hydraulic power source coordinates could use with greater need for other hydraulic tests, operate highly inconvenient.
3, conventional down-hole aerial work platform needs a dead lift to the operation place specified, and underground coal mine ground pit is uneven, adds the labor intensity of coal mine personnel, and efficiency is the lowest.
4, conventional down-hole aerial work platform bearing capacity can only have 1 operator to be operated.Owing to the restriction of locus substantially can not attach more aftermarket attachment, keep in repair more exchange device every time and can be only done a small amount of work.The most again get off and take accessory, so greatly reduce work efficiency.
5, conventional underworkings maintenance needs to coordinate at least one haulage vehicle to transport accessory, adds aerial work platform and is also required to a haulage vehicle and transports it into appointment position from aboveground, then carries out field maintenance after carrying out installation and debugging.Thus add extra cost of transportation.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that one can transport accessory, several personnel lifting can be carried and carry out site examining and repairing maintenance, it is not necessary to external connection power source, save artificial, improve the underground mine use Mobile lifting inspection platform of overhaul efficiency.
The object of the present invention is achieved like this:
A kind of underground mine use Mobile lifting inspection platform, it includes car body, car body is made up of forebay and afer bay, it is provided with anti-explosion diesel engine on described forebay, it is provided with hydraulic elevating platform on described afer bay, this hydraulic elevating platform includes job platform and scissor-type support, fixes with scissor-type cradle top bottom this job platform, and scissor-type support controls lifting by hoist cylinder.
Described scissor-type support is formed by the more piece lift arm arranged up and down is hinged, and the bottom of lift arm is fixed on the base at afer bay top, and the cylinder body of hoist cylinder and piston rod are separately fixed on a lift arm.
Connected by drive system between described forebay and afer bay.
Job platform be formed around guardrail.
nullDescribed anti-explosion diesel engine provides hydraulic power supply to move to underground mine use in the hydraulic system of falling-rising inspection platform，This hydraulic system includes steering、Brakes and hydraulic system for lifting，Described hydraulic system for lifting includes gear oil pump、Replenishing valve、Banked direction control valves、Choke valve、Bidirectional hydraulic lock and support cylinder，The oil-out of gear oil pump connects the oil-in of banked direction control valves，Actuator port A1 is offered on this banked direction control valves、Actuator port A2、Actuator port A3、Actuator port B1、Actuator port B2、Actuator port B3 and oil return inlet T，The actuator port A3 of described banked direction control valves is connected to bidirectional hydraulic by choke valve and locks，The actuator port of bidirectional hydraulic lock is connected on an actuator port of hoist cylinder，The actuator port B3 of banked direction control valves is connected on another actuator port of hoist cylinder after connecting through bidirectional hydraulic lock，The actuator port A1 of banked direction control valves、A2 all links the stretching out on actuator port of vehicle frame support cylinder，The actuator port B1 of banked direction control valves、B2 links on the retraction actuator port of vehicle frame support cylinder，The oil return inlet T of banked direction control valves is linked in hydraulic oil container.
Described steering includes steering gear and steering cylinder, this steering is to be connected with the oil-in of steering gear by gear oil pump by anti-explosion diesel engine, the actuator port of steering gear is connected with steering cylinder, and the oil return opening of steering gear is connected with hydraulic oil container, it is achieved the go to action of car body.
Described brakes includes replenishing valve, foot valve and brake, this brakes is the oil-out of the gear oil pump connected by anti-explosion diesel engine, pass sequentially through the oil-in of replenishing valve, the first actuator port of replenishing valve is connected to accumulator, accumulator reconnects foot valve, foot valve connects bridge brake, it is achieved the braking of car body.
The oil-out of described gear oil pump connects the oil-in of banked direction control valves by the second actuator port of replenishing valve.
It is connected with overflow valve between described gear oil pump and replenishing valve.
It is additionally provided with manual pump between described hoist cylinder and choke valve.
Underground mine use Mobile lifting inspection platform of the present invention has the advantage that
This underground mine use moves the area of platform of falling-rising inspection platform and reaches 6 square metres, bearing capacity reaches 5 tons, directly object bigger to heavier (specified 1.5 tons) or volume directly can be promoted, it is not necessary to by external equipment, directly need to install by equipment to be mounted.Save other cost of transportation.
Operating aspect at the scene, underground mine use Mobile lifting inspection platform is easy to operate, have only to a driver and relevant maintainer, without increasing other extra paraprofessional personnel, just can directly operate, and repair location can be converted anywhere or anytime, it is not necessary to set up extra equipment and carry out auxiliary operation.
In terms of safety, the Rear frame of underground mine use Mobile lifting inspection platform is additionally arranged two vertical hydraulic jacks supports, directly operated by banked direction control valves handle, and two side cylinders can independently control, and adds stability, preferably ensure the life security of maintainer.The hydraulic system of the scissor support below hoistable platform adds bidirectional hydraulic lock, during lifting and decline, hydraulic lock automatically opens up, and during maintainer keeps in repair at the scene, hydraulic lock is automatically locked, even if vehicle breaks down or pipeline leakage of oil, hoistable platform also can be maintained at original position, further increases safety coefficient.It addition, after platform fault, ground staff can realize the steady decline of hoistable platform by handling manual pump (emergency operation valve), in order to ensures maintainer safety on platform, and shifts vehicle maintenance.
This platform is it is further an advantage that directly can transport directly to reprocess place with this car, it is not necessary to increase other haulage vehicles and haulage equipment by the accessory changed or other equipment.Improve production efficiency and reduce cost of transportation.
Accompanying drawing explanation
Fig. 1 is the structural representation of underground mine use Mobile lifting inspection platform of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of hydraulic elevating platform in Fig. 1.
Fig. 4 is the hydraulic schematic diagram of liquid hydraulic system for lifting.
Wherein: forebay 1, afer bay 2, drive system 3, anti-explosion diesel engine 4, gas extraction system 4.1, dynamical system 4.2, gas handling system 4.3, emergency operation valve 4.4, hydraulic elevating platform 5, job platform 6, guardrail 6.1, scissor-type support 7, lift arm 8, base 9, hoist cylinder 10, hydraulic system for lifting 11, gear oil pump 11.1, replenishing valve 11.2, overflow valve 11.3, banked direction control valves 11.4, choke valve 11.5, bidirectional hydraulic lock 11.6, manual pump 11.7, support cylinder 11.8.
Detailed description of the invention
nullAs shown in Figure 1 to Figure 4，The present invention relates to a kind of underground mine use Mobile lifting inspection platform，It includes car body，Car body is made up of forebay 1 and afer bay 2，Connected by drive system 3 between described forebay 1 and afer bay 2，This drive system 3 is machine driven system，It is provided with anti-explosion diesel engine 4 on described forebay 1，This anti-explosion diesel engine 4 is provided with gas extraction system 4.1、Dynamical system 4.2、Gas handling system 4.3 and emergency operation valve 4.4，It is provided with hydraulic elevating platform 5 on described afer bay 2，This hydraulic elevating platform 5 includes job platform 6 and scissor-type support 7，Fix with scissor-type support 7 top bottom this job platform 6，Job platform 6 be formed around guardrail 6.1，Play safeguard protection effect，Described scissor-type support 7 is formed by the more piece lift arm 8 arranged up and down is hinged，The bottom of lift arm 8 is fixed on the base 9 at afer bay 2 top，And it is further fixed on a hoist cylinder 10 on lift arm 8，The cylinder body of hoist cylinder 10 and piston rod are separately fixed on a lift arm 8，Thus allow scissor-type support 7 folding，7 foldings of scissor-type support make its hydraulic elevating platform 5 can vertical lift freely
Described anti-explosion diesel engine 4 provides hydraulic power supply to move in the hydraulic system of falling-rising inspection platform to underground mine use, and this hydraulic system includes steering, brakes and hydraulic system for lifting.
Described steering includes steering gear and steering cylinder, this steering is to be connected with the oil-in of steering gear by gear oil pump by anti-explosion diesel engine, the actuator port of steering gear is connected with steering cylinder, and the oil return opening of steering gear is connected with hydraulic oil container, it is achieved the go to action of car body.
Described brakes includes replenishing valve, foot valve and brake, this brakes is the oil-out of the gear oil pump connected by anti-explosion diesel engine, pass sequentially through the oil-in of replenishing valve, first actuator port (P mouth) of replenishing valve is connected to accumulator, accumulator reconnects foot valve (service brake), foot valve connects bridge brake, it is achieved the braking of car body.
nullDescribed hydraulic system for lifting includes gear oil pump 11.1、Replenishing valve 11.2、Overflow valve 11.3、Banked direction control valves 11.4、Choke valve 11.5、Bidirectional hydraulic lock 11.6、Manual pump 11.7、Support cylinder 11.8，Described hydraulic system for lifting includes gear oil pump 11.1，The oil-out of gear oil pump 11.1 connects the oil-in of banked direction control valves 11.4 by second actuator port (O mouth) of replenishing valve 11.2，It is connected with overflow valve 11.3 between described gear oil pump 11.1 and replenishing valve 11.2，A1 is offered on described banked direction control valves 11.4、A2、A3、B1、B2、B3 this six actuator ports and oil return inlet T，The actuator port A3 of described banked direction control valves 11.4 is connected on bidirectional hydraulic lock 11.6 by choke valve 11.5，The actuator port of bidirectional hydraulic lock 11.6 is connected on an actuator port of hoist cylinder 10，The actuator port B3 of banked direction control valves 11.4 is connected on another actuator port of hoist cylinder 10 after connecting through bidirectional hydraulic lock 11.6，The actuator port A1 of banked direction control valves 11.4、A2 all links the stretching out on actuator port of vehicle frame support cylinder 11.8，The actuator port B1 of banked direction control valves 11.4、B2 links on the retraction actuator port of vehicle frame support cylinder 11.8，The oil return inlet T of banked direction control valves 11.4 is linked in hydraulic oil container.
Being additionally provided with manual pump 11.7, bidirectional hydraulic lock 11.6 and manual pump 11.7 between described hoist cylinder 10 and choke valve 11.5 to be used for ensureing under abnormal conditions, platform energy Artificial Control declines；Described banked direction control valves 11.4 and support cylinder 11.8 can realize the vehicle steady control on uneven road surface, strengthen the safety of staff；Described choke valve 11.5 is for stablizing fuel feeding, it is achieved the lifting action of hydraulic elevating platform 5 is steady.
The working method of described hydraulic system for lifting is:
When hydraulic elevating platform 5 rises, pressure oil is passed to the actuator port of hoist cylinder 10 by choke valve 11.5 and bidirectional hydraulic lock 11.6 from banked direction control valves 11.4.
When hydraulic elevating platform 5 declines, pressure oil is under the control of choke valve 11.5, from the oil return inlet T draining of banked direction control valves 11.4.
When hydraulic elevating platform 5 transships, the overflow unit in banked direction control valves 11.4 is opened, and pressure oil flows back to fuel tank by overflow valve 11.3, and now platform does not rises.
During hydraulic elevating platform 5 circuit failure (damaged, leakage), bidirectional hydraulic lock 11.6 is automatically locked, it is ensured that platform is controlled, will not freely decline.
Claims (10)
1. a underground mine use Mobile lifting inspection platform, it is characterized in that: it includes car body, car body is made up of forebay (1) and afer bay (2), anti-explosion diesel engine (4) it is provided with on described forebay (1), hydraulic elevating platform (5) it is provided with on described afer bay (2), this hydraulic elevating platform (5) includes job platform (6) and scissor-type support (7), this job platform (6) bottom is fixed with scissor-type support (7) top, and scissor-type support (7) controls lifting by hoist cylinder (10).
A kind of underground mine use Mobile lifting inspection platform the most according to claim 1, it is characterized in that: described scissor-type support (7) is formed by the more piece lift arm (8) arranged up and down is hinged, the bottom of lift arm (8) is fixed on the base (9) at afer bay (2) top, and the cylinder body of hoist cylinder (10) and piston rod are separately fixed on a lift arm (8).
A kind of underground mine use Mobile lifting inspection platform the most according to claim 1, it is characterised in that: connected by drive system (3) between described forebay (1) and afer bay (2).
A kind of underground mine use Mobile lifting inspection platform the most according to claim 1, it is characterised in that: job platform (6) be formed around guardrail (6.1).
nullA kind of underground mine use Mobile lifting inspection platform the most according to claim 1，It is characterized in that: described anti-explosion diesel engine (4) provides hydraulic power supply to move to underground mine use in the hydraulic system of falling-rising inspection platform，This hydraulic system includes steering、Brakes and hydraulic system for lifting，Described hydraulic system for lifting includes gear oil pump (11.1)、Replenishing valve (11.2)、Banked direction control valves (11.4)、Choke valve (11.5)、Bidirectional hydraulic lock (11.6) and support cylinder (11.8)，The oil-out of gear oil pump (11.1) connects the oil-in of banked direction control valves (11.4)，This banked direction control valves offers actuator port A1 on (11.4)、Actuator port A2、Actuator port A3、Actuator port B1、Actuator port B2、Actuator port B3 and oil return inlet T，The actuator port A3 of described banked direction control valves (11.4) is connected on bidirectional hydraulic lock (11.6) by choke valve (11.5)，The actuator port of bidirectional hydraulic lock (11.6) is connected on an actuator port of hoist cylinder (10)，The actuator port B3 of banked direction control valves (11.4) is connected on another actuator port of hoist cylinder (10) after connecting through bidirectional hydraulic lock (11.6)，The actuator port A1 of banked direction control valves (11.4)、A2 all links the stretching out on actuator port of vehicle frame support cylinder (11.8)，The actuator port B1 of banked direction control valves (11.4)、B2 links on the retraction actuator port of vehicle frame support cylinder (11.8)，The oil return inlet T of banked direction control valves (11.4) is linked in hydraulic oil container.
A kind of underground mine use Mobile lifting inspection platform the most according to claim 5, it is characterized in that: described steering includes steering gear and steering cylinder, this steering is to be connected with the oil-in of steering gear by gear oil pump (11.1) by anti-explosion diesel engine, the actuator port of steering gear is connected with steering cylinder, the oil return opening of steering gear is connected with hydraulic oil container, it is achieved the go to action of car body.
A kind of underground mine use Mobile lifting inspection platform the most according to claim 5, it is characterized in that: described brakes includes replenishing valve, foot valve and brake, this brakes is the oil-out of the gear oil pump (11.1) connected by anti-explosion diesel engine, pass sequentially through the oil-in of replenishing valve, the first actuator port of replenishing valve is connected to accumulator, accumulator reconnects foot valve, foot valve connects bridge brake, it is achieved the braking of car body.
A kind of underground mine use Mobile lifting inspection platform the most according to claim 5, it is characterised in that: the oil-out of described gear oil pump (11.1) connects the oil-in of banked direction control valves (11.4) by the second actuator port of replenishing valve (11.2).
A kind of underground mine use Mobile lifting inspection platform the most according to claim 5, it is characterised in that: it is connected with overflow valve (11.3) between described gear oil pump (11.1) and replenishing valve (11.2).
A kind of underground mine use Mobile lifting inspection platform the most according to claim 5, it is characterised in that: it is additionally provided with manual pump (11.7) between described hoist cylinder (10) and choke valve (11.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610379533.4A CN105905846B (en) | 2016-06-01 | 2016-06-01 | Underground mine use Mobile lifting inspection platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610379533.4A CN105905846B (en) | 2016-06-01 | 2016-06-01 | Underground mine use Mobile lifting inspection platform |
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| CN105905846A true CN105905846A (en) | 2016-08-31 |
| CN105905846B CN105905846B (en) | 2019-03-05 |
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| CN201610379533.4A Active CN105905846B (en) | 2016-06-01 | 2016-06-01 | Underground mine use Mobile lifting inspection platform |
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| CN105172500A (en) * | 2015-09-23 | 2015-12-23 | 中国煤炭科工集团太原研究院有限公司 | Explosion-proof diesel engine road-rail vehicle for coal mine underground roadway |
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| CN205773170U (en) * | 2016-06-01 | 2016-12-07 | 江阴市卡利格机械有限公司 | Underground mine use Mobile lifting inspection platform |
-
2016
- 2016-06-01 CN CN201610379533.4A patent/CN105905846B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201183456Y (en) * | 2007-08-24 | 2009-01-21 | 姚双武 | Explosion-proof multi-function cart for conveying driven by ac electric motor |
| US20140345970A1 (en) * | 2013-05-21 | 2014-11-27 | Paul Kevin Wick | Method and apparatus combining front end loader and man lift |
| CN204184491U (en) * | 2014-09-11 | 2015-03-04 | 连云港天明装备有限公司 | A kind of underground coal mine overhauls special explosion-proof rubber tire hydraulic lifting platform cart |
| CN204915651U (en) * | 2015-07-08 | 2015-12-30 | 江苏金驰车辆有限公司 | All -hydraulic wet -type braking system of explosion -proof diesel engine trackless rubber -tyred car |
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| CN105905846B (en) | 2019-03-05 |
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Effective date of registration: 20220907 Address after: Middle Section of Huancheng East Road, Jiyuan City, Henan Province 454002 Patentee after: Jiyuan Fengze Special Steel Industry Co.,Ltd. Address before: 214443 No. 155, Shenxing Road, Shengang, Lingang New City, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: Jiangyin Carriage Machine Co.,Ltd. |