CN107387137B - Monorail crane forward-exploration support operation platform and method - Google Patents
Monorail crane forward-exploration support operation platform and method Download PDFInfo
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- CN107387137B CN107387137B CN201710821898.2A CN201710821898A CN107387137B CN 107387137 B CN107387137 B CN 107387137B CN 201710821898 A CN201710821898 A CN 201710821898A CN 107387137 B CN107387137 B CN 107387137B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 claims description 17
- 238000009412 basement excavation Methods 0.000 claims description 8
- 238000005422 blasting Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Geology (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a monorail crane forward-exploring support operation platform and a method, comprising a monorail crane and a scaffold; the height and the gradient of the scaffold can be adjusted and the scaffold is suspended under the monorail hoist; the scaffold comprises a middle part, a weight balance part, two wings, two-wing opening and closing cylinders, two-wing guide rods, two-wing locking devices, an advanced temporary support device and a plurality of support legs; also provides a monorail crane forepoling support operation method. The movable scaffold has the beneficial effects that the movable scaffold is mechanically movable, and the workload and safety risk of erecting the scaffold by manual carrying are avoided; the mechanical automation of temporary support is realized, the labor is reduced, and the danger of manual operation is avoided.
Description
Technical Field
The invention relates to an operation platform and a method, in particular to a monorail crane forward-exploration support operation platform and a method.
Background
The mining monorail crane belongs to one of underground transportation equipment, and has the characteristics of suspension transportation in the air, no restriction of roadway geological conditions, strong adaptability, convenient material loading and unloading and the like. The underground transportation device can not only transport materials, personnel and equipment to realize various transportation schemes, but also can complete simple lifting, hoisting and other tasks of underground equipment. With the development of high and new technology and modern production, the mining monorail crane is used as a convenient transportation tool and is more and more widely applied to coal mines.
At present, in the coal mine underground roadway construction of China, anchor rod supporting is generally adopted for supporting, temporary supporting needs to be carried out before anchor rod supporting is carried out, the mainly adopted construction process is that after a heading machine tunnels for a certain distance on a working face, the heading machine needs to exit, then an operator needs to enter an empty roof area to erect a temporary support, the temporary support is erected, and the anchor rod machine enters the working face needing anchoring and protecting to carry out anchoring and protecting operation. This kind of working method needs the entry driving machine to withdraw from the back and can operate, and because the tunnelling of big section, the tunnel height is higher, the operation personnel need set up temporary stand when setting up temporary stand, the operation of holing and bolting operation, there is certain degree of difficulty during the construction, work efficiency is lower, and the safety risk that the operation personnel exists when entering the sky top district and set up temporary stand is great, and current temporary support mostly hangs on the roof has already strutted the stock and extended to the sky top district along the tunnel direction for the forestope, play the effect of protecting the top to the roof board, the effect of strutting of this kind of temporary support is also not enough, the security is not high.
Because rock drift blasting is limited by underground conditions, the work of charging, constructing anchor rods and anchor cables and the like which are more than 2.5m away from a bottom plate on a tunneling surface needs to be completed by erecting a scaffold. At present, the scaffold used on the rock drift blasting excavation working face is mainly a stirrup scaffold and a hanging scaffold, two types of construction scaffolds are erected and removed, and temporary support is carried out, so that time and labor are wasted, and safety management in the construction process is not facilitated.
Disclosure of Invention
The invention aims to solve the technical problem of providing a monorail crane forepoling support operation platform and a method capable of meeting the requirements of temporary tunneling support and roof support.
The invention solves the technical problems through the following technical scheme: the invention comprises a monorail crane and a scaffold; the height and the gradient of the scaffold can be adjusted and the scaffold is suspended under the monorail hoist; the scaffold comprises a middle part, a weight balance part, two wings, two-wing opening and closing cylinders, two-wing guide rods, two-wing locking devices, an advanced temporary support device and a plurality of support legs; the middle part is in a scaffold middle position; the weight balance part is positioned at the rear side of the middle part; the two wings comprise a left wing and a right wing which can be connected to two sides of the middle part in a vertically swinging manner, two wing guide rods are arranged at the front end and the rear end of each wing, the two wing guide rods are connected with two wing opening and closing cylinders, and the two wing opening and closing cylinders are arranged at two ends of the middle part; the two-wing locking device for fixing the two wings when the two wings are unfolded is also arranged under the middle part; the advance temporary support device is arranged at the middle part; the supporting legs are uniformly dispersed below the two wings.
Preferably, the middle part comprises a base, a front guardrail and a rear guardrail, and the front guardrail and the rear guardrail are respectively erected at two ends of the base; front guardrail and rear guardrail all enclose into the rectangle frame with the base, all include both sides stand and crossbeam.
Preferably, the number of the two wing opening and closing cylinders is four, two wing opening and closing cylinders are connected to the cross beam of the front guardrail through hinges, and two wing opening and closing cylinders are connected to the cross beam of the rear guardrail through hinges; the advanced temporary support device comprises two support cylinders and two brackets, the brackets are placed at the top ends of the support cylinders, and the two support cylinders are fixed on two stand columns of the front guardrail.
Preferably, the monorail crane further comprises two pneumatic hoists, wherein one pneumatic hoist is connected with the monorail crane and the base through anchor chains, and the other pneumatic hoist is connected with the monorail crane and the weight balancing part through anchor chains.
Preferably, the building structure further comprises large plates for the constructors to stand on, and the large plates are arranged on the base, the left wing and the right wing.
Preferably, both wings blocking device is two shutting cylinders, is located under the base, two flexible ends of shutting cylinder set up two and are used for restricting the spacing round steel that both wings swung down.
Preferably, the device also comprises a limiting T-shaped block which is arranged at the end part of the base and is clamped between the guide rods of the two wings when the two wings are unfolded to be flat.
Preferably, four support legs are respectively arranged at the middle positions of the front end and the rear end of each wing.
Preferably, the device also comprises a cylinder operating platform for controlling the work of each cylinder, and the cylinder operating platform is arranged at the end part of the weight balance part; the weight balancing part is a frame structure and a weight which is arranged on the frame structure and used for maintaining the balance of the whole scaffold, and the weight is a metal block.
The invention also provides an operation method of the monorail crane forepoling support operation platform, which comprises the following steps:
(1) checking the parts; before use, whether all parts and accessories are complete or not is checked;
(2) installing and starting a monorail crane; firstly, installing a pneumatic monorail crane in a blasting excavation roadway, and requiring that a monorail crane rail is close to a construction site along with the excavation of the roadway;
(3) installing a scaffold and performing trial operation; firstly, connecting the middle part of an operating platform with a monorail crane, then sequentially installing two wings, a balance weight and connecting a compressed air pipeline; adjusting the height of the platform, balancing the balance weight, opening and closing the two wings, moving the bracket up and down and the like;
(4) working process; the pneumatic operation platform takes a pneumatic monorail crane as a moving carrier, moves to a construction site during working, unfolds two wings of the platform, locks and fixes the two wings, adjusts the height and the gradient of the platform through a pneumatic hoist, and installs supporting legs below the two wings to form a stable construction platform;
(5) the use of an advance temporary support device; during temporary support, the advance temporary support device consists of two advance temporary support cylinders and two brackets, the two advance temporary support cylinders are respectively fixed on two stand columns of a front guardrail at the middle part, the telescopic ends are connected with the brackets, a support net sheet is placed on the brackets, and during temporary support, the cylinders push upwards to convey the net sheet to a top plate and support the net sheet;
(6) finishing the use; and after the construction is finished, the temporary support cylinder is retracted, the support legs are dismantled, the locking is released, the two wings are folded, and the movable support is moved to a rear designated safety place through a monorail crane.
Compared with the prior art, the invention has the following advantages:
1. the operation procedure is simplified, and the efficiency is high; 2 times of scaffolds are erected in each cycle of rock roadway blasting excavation, and a roof is temporarily supported for one time, so that the working efficiency is improved;
2. economically, the equipment mainly uses common cylinders, I-beams, angle steels and the like as materials, has low processing cost and convenient popularization, and meets the economic and technical integration requirement;
3. in safety, remote mechanical control is realized, the influence of human factors is reduced, the labor intensity of workers is reduced, the empty roof time is reduced to the maximum extent, and the top assisting safety management is facilitated;
4. when in use and operation, the volume is flexible to change, the action is sensitive and reliable, the operation is simple, the maintenance is convenient, the performance is stable and reliable, and the adaptability is strong.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic structural diagram of the present invention.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1, the present embodiment comprises a monorail trolley 1, a scaffold 2; the height and the gradient of the scaffold 2 can be adjusted and the scaffold is suspended under the monorail crane 1; the scaffold 2 comprises a middle part 21, a weight balance part 22, two wings 23, two-wing opening and closing cylinders 24, two-wing guide rods 25, two-wing locking devices 26, an advance temporary support device 27 and a plurality of support legs 28; the intermediate portion 21 is in an intermediate position of the scaffold 2; the weight balance portion 22 is located on the rear side of the intermediate portion 21; the two wings 23 comprise left wings and right wings, are rectangular frames, contain supporting pieces, and can be connected to the two sides of the middle part 21 in a way of swinging up and down, the two wing guide rods 25 are arranged at the front and rear ends of the two wings 23, the two wing guide rods 25 are connected with the two wing opening and closing air cylinders 24, and the two wing opening and closing air cylinders 24 are arranged at the two ends of the middle part 21; a two-wing locking device 26 (not shown in the figure) for fixing the two wings when the two wings are unfolded is also arranged below the middle part 21; the advance temporary support device 27 is provided at the intermediate portion 21; the support legs 28 are evenly distributed under the wings 23.
The lifting device is characterized by further comprising two pneumatic hoists 11, wherein one pneumatic hoist 11 is connected with the lifting points on the monorail crane 1 and the base 211 through anchor chains, the other pneumatic hoist 11 is connected with the lifting points on the monorail crane 1 and the weight balancing part 22 through anchor chains, and the height and the gradient of the pneumatic platform are adjusted through the pneumatic hoist 11.
As shown in fig. 2-3, the middle portion 21 includes a base 211, a front guardrail 212 and a rear guardrail 213, and the front guardrail 212 and the rear guardrail 213 are respectively erected at two ends of the base 211; the front guard rail 212 and the rear guard rail 213 enclose a rectangular frame with the base 211, and each of the front guard rail and the rear guard rail includes two side columns 2121 and a cross beam 2122. The base is a rectangular frame, a support member is arranged in the base, the middle part is the most core part of the platform, the front guardrail 212 is a certain distance away from the hoisting pneumatic hoist 11 so as to ensure that the platform can be close to the head to achieve the purpose of forepoling, and a large plate (not shown in the figure) is laid on the middle part and is a central area of a station of a constructor.
The number of the two wing opening and closing cylinders 24 is four, two wing opening and closing cylinders are connected to the cross beam 2122 of the front guardrail 212 through hinges, and two wing opening and closing cylinders are connected to the cross beam 2122 of the rear guardrail 213 through hinges; the tail of the cylinder is connected with a cross beam 2122 of the middle part 21 through a hinge, and the telescopic end is connected with a two-wing guide rod 25. The construction area of the platform can be changed by changing the specification and the size of the two wings 23 so as to adapt to the roadways with various section sizes. The two-wing guide rod 25 swings up and down by a certain angle (about 90 degrees) through the stretching of the cylinder, so that the two wings are driven to swing up and down around the hinge, and the purpose of opening and closing the two wings is achieved.
The advance temporary support devices 27 are two devices each including a support cylinder and a bracket (not shown in the figure), the bracket is placed at the top end of the support cylinder, and the two support cylinders are fixed on two columns 2121 of the front guardrail 212.
The large plate is used for the constructors to stand and is arranged on the base, the left wing and the right wing. The two-wing locking device 26 (not shown in the figure) is two locking cylinders located under the base, and two limiting round steel bars for limiting the downward swing of the two wings are arranged at the telescopic ends of the two locking cylinders. And the limiting T-shaped block 29 is arranged at the end part of the base 211 and is clamped between the two wing guide rods 25 when the two wings are unfolded to be flat.
The four supporting legs 28 are respectively arranged at the middle positions of the front end and the rear end of the two wings 23. The weight balancing part is arranged at the end part of the weight balancing part. The weight balance part 22 is a frame structure and a weight, which is a metal block, is provided thereon to maintain the balance of the entire scaffold.
The invention also provides an operation method of the monorail crane forepoling support operation platform, which comprises the following steps:
(1) checking the parts; before use, whether all parts and accessories are complete or not is checked;
(2) installing and starting a monorail crane; firstly, installing a pneumatic monorail crane in a blasting excavation roadway, and requiring that a monorail crane rail is close to the head-on along with the excavation of the roadway;
(3) installing a scaffold and performing trial operation; firstly, connecting the middle part 21 of an operating platform with a monorail crane 1, then sequentially installing two wings 23 and a counterweight, connecting a compressed air pipeline, adjusting the height of the platform and balancing the counterweight, opening and closing the two wings 23, moving a bracket up and down, and the like; when the device is used in a roadway with a large gradient, the front and rear heights of the platform are adjusted through the pneumatic block 11, so that the stability of the platform is ensured;
(4) working process; the pneumatic operation platform takes the pneumatic monorail crane 1 as a moving carrier, moves to a construction site (head-on) during operation, unfolds two wings 23 of the platform, is locked and fixed by a limiting T-shaped block 29 and a two-wing locking device 26, adjusts the height and gradient of the platform through a pneumatic hoist 11, and is provided with supporting legs 28 below the two wings 23 to form a stable construction platform;
(5) the use of an advance temporary support device; during temporary support, the advance temporary support device 27 is composed of 2 advance temporary support cylinders and a bracket, the two advance temporary support cylinders are respectively fixed on two upright posts 2121 of the front guardrail 212 of the middle part 21, and the telescopic ends are connected with the bracket. And a supporting mesh is placed on the bracket, and during temporary supporting, the cylinder pushes upwards to convey the mesh to the top plate and support the mesh, so that the purpose of temporary supporting is achieved.
(6) Finishing the use; and after the construction is finished, the temporary support cylinder is retracted, the support legs 28 are dismantled, the locking is released, the two wings are folded, and the monorail crane 1 moves the temporary support cylinder to a rear designated safe place to avoid blasting collapse.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A monorail crane forepoling support operation platform is characterized by comprising a monorail crane and a scaffold; the height and the gradient of the scaffold can be adjusted and the scaffold is suspended under the monorail hoist;
the scaffold comprises a middle part, a weight balance part, two wings, two-wing opening and closing cylinders, two-wing guide rods, two-wing locking devices, an advanced temporary support device and a plurality of support legs; the middle part is in a scaffold middle position; the weight balance part is positioned at the rear side of the middle part; the two wings comprise a left wing and a right wing which can be connected to two sides of the middle part in a vertically swinging manner, two wing guide rods are arranged at the front end and the rear end of each wing, the two wing guide rods are connected with two wing opening and closing cylinders, and the two wing opening and closing cylinders are arranged at two ends of the middle part; the two-wing locking device for fixing the two wings when the two wings are unfolded is also arranged under the middle part; the advance temporary support device is arranged at the middle part; the supporting legs are uniformly dispersed below the two wings.
2. The monorail crane forepoling support operation platform of claim 1, wherein the middle portion comprises a base, a front guardrail and a rear guardrail, and the front guardrail and the rear guardrail are respectively erected at two ends of the base; front guardrail and rear guardrail all enclose into the rectangle frame with the base, all include both sides stand and crossbeam.
3. The monorail crane forepoling support operation platform as claimed in claim 2, wherein the number of the two wing opening and closing cylinders is four, two wing opening and closing cylinders are connected to the cross beam of the front guardrail through hinges, and two wing opening and closing cylinders are connected to the cross beam of the rear guardrail through hinges; the advanced temporary support device comprises two support cylinders and two brackets, the brackets are placed at the top ends of the support cylinders, and the two support cylinders are fixed on two stand columns of the front guardrail.
4. The monorail crane forestope support operation platform of claim 2, further comprising two pneumatic hoists, one pneumatic hoist connecting the monorail crane and the base through an anchor chain, and one pneumatic hoist connecting the monorail crane and the weight balance portion through an anchor chain.
5. The monorail crane forepoling operation platform of claim 2, further comprising large plates for constructors to stand on, and the large plates are arranged on the base, the left wing and the right wing.
6. The cantilever support operation platform of claim 2, wherein the two-wing locking device is two locking cylinders under the base, and the telescopic ends of the two locking cylinders are provided with two limiting round bars for limiting the downward swinging of the two wings.
7. The forward-exploring support operation platform of the monorail crane as defined in claim 2, further comprising a limiting T-shaped block arranged at the end of the base and clamped between the two wing guide rods when the two wings are unfolded to be flat.
8. The forward-exploration supporting operation platform for the monorail crane as claimed in claim 1, wherein four of the supporting legs are respectively arranged at the middle positions of the front end and the rear end of each wing.
9. The forward-exploring support operation platform for the monorail crane according to claim 1, further comprising a cylinder operation table for controlling each cylinder to work, wherein the cylinder operation table is arranged at the end part of the weight balance part; the weight balancing part is of a frame structure, a weight for maintaining the balance of the whole scaffold is arranged on the weight balancing part, and the weight is a metal block.
10. An operating method using a monorail crane forepoling operation platform as defined in any one of claims 1 to 9, characterized by the following steps:
(1) checking the parts; before use, whether all parts and accessories are complete or not is checked;
(2) installing and starting a monorail crane; firstly, installing a monorail crane in a blasting excavation roadway, and requiring that a monorail crane rail is close to a construction site along with the excavation of the roadway;
(3) installing a scaffold and performing trial operation; firstly, connecting the middle part of an operating platform with a monorail crane, and then sequentially installing two wings, a large plate, a counterweight, a connecting compressed air pipeline and the like; adjusting the height of the platform, balancing the balance weight, opening and closing the two wings and moving the bracket up and down;
(4) working process; the operation platform takes a monorail crane as a moving carrier, moves to a construction site during operation, unfolds two wings of the platform, locks and fixes the two wings, adjusts the height and the gradient of the operation platform through a pneumatic hoist, and installs supporting legs below the two wings to form a stable construction platform;
(5) the use of an advance temporary support device; during temporary support, the advance temporary support device consists of two support cylinders and two brackets, the two support cylinders are respectively fixed on two stand columns of a front guardrail at the middle part, the telescopic ends are connected with the brackets, a support net sheet is placed on the brackets, and during temporary support, the support cylinders push upwards to send the net sheet to a top plate and support the net sheet;
(6) finishing the use; and after the construction is finished, the supporting cylinder is retracted, the supporting legs are disassembled, the locking is released, the two wings are folded, and the two wings are moved to a rear designated safety place through a monorail crane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710821898.2A CN107387137B (en) | 2017-09-13 | 2017-09-13 | Monorail crane forward-exploration support operation platform and method |
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| CN201710821898.2A CN107387137B (en) | 2017-09-13 | 2017-09-13 | Monorail crane forward-exploration support operation platform and method |
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| CN107387137B true CN107387137B (en) | 2020-04-07 |
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| CN111976918B (en) * | 2020-07-03 | 2022-04-19 | 中船澄西船舶修造有限公司 | Assembled scaffold for shipbuilding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10229301A1 (en) * | 2002-04-03 | 2003-10-23 | Vos Richard Grubenausbau Gmbh | Hydraulic prop comprises ring grooves or connector grooves which are located at joints between the outer and inner pipes and respectively the foot plate and the prop head, and accommodate locking wires |
| DE20309390U1 (en) * | 2003-06-16 | 2003-08-21 | Mahlscheid Maschinen Und Appba | Hydraulic single and double stroke stamp with repair security |
| CN201610753U (en) * | 2010-03-25 | 2010-10-20 | 中国建筑第八工程局有限公司 | Guide rail type movable suspension platform |
| CN203796293U (en) * | 2014-03-09 | 2014-08-27 | 山东兖煤黑豹矿业装备有限公司 | Monorail crane hydraulic temporary supporting cantilever beam mechanism |
| CN103912277B (en) * | 2014-04-01 | 2017-02-15 | 西安科技大学 | High-efficiency dust fall device and method of underground coal mine fully-mechanized excavating tunnel |
| CN204344141U (en) * | 2014-12-03 | 2015-05-20 | 中国长江三峡集团公司 | Soft rock tunnel bracing members advanced stand device |
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