CN110118097B - Backpack type fully-mechanized roadway temporary support equipment and application thereof - Google Patents
Backpack type fully-mechanized roadway temporary support equipment and application thereof Download PDFInfo
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- CN110118097B CN110118097B CN201910545483.6A CN201910545483A CN110118097B CN 110118097 B CN110118097 B CN 110118097B CN 201910545483 A CN201910545483 A CN 201910545483A CN 110118097 B CN110118097 B CN 110118097B
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- hydraulic cylinder
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- heading machine
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- support mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims description 16
- 238000009412 basement excavation Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 abstract description 4
- 230000005641 tunneling Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0013—Frame type supports
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to backpack comprehensive tunnel temporary support equipment and application thereof, comprising a heading machine, a telescopic transfer system and a temporary support mechanism; the telescopic transfer system is arranged on the heading machine, the temporary support mechanism is placed on the telescopic transfer system, and the temporary support mechanism is conveyed to an empty roof area in front of the heading machine through the telescopic transfer system. The invention adopts the design form of separating the temporary support mechanism from the heading machine, the temporary support mechanism carried on the heading machine is sent to the empty top area of the working face of the roadway by using the telescopic transfer system on the heading machine, the top guard plate is separated from the bracket and is connected with the top plate of the roadway by the extending movement of the piston rod of the hydraulic cylinder X, the initial supporting force is applied to the top plate by setting the oil pressure of the hydraulic cylinder X to complete temporary support, the heading machine exits from the area where the temporary support mechanism is located, and workers can perform anchoring operation in the safety area established at the bottom of the temporary support mechanism.
Description
Technical Field
The invention relates to backpack fully-mechanized roadway temporary support equipment and application thereof, and belongs to the technical field of mine support equipment.
Background
At present, anchor bolt support is generally adopted as permanent support in the process of fully-mechanized coal mine tunnel tunneling in China, and temporary support is needed before anchor bolt support is carried out in order to prevent roof of a tunneling working face from falling. The current temporary support of the coal mine generally adopts a plurality of front cantilever beams to hang on a roof supported anchor rod along the roadway direction to extend to the empty roof area, plays a role in protecting the roof, and prevents personal casualties caused by roof fall. The support mode has the defects that: (1) The front cantilever has no initial supporting force on the support of the hollow roof area, and the safety and reliability are poor; (2) The operation process is complex, the manual operation is relied on, the supporting time is long, and the temporary supporting efficiency is low; (3) Operators must enter the empty roof area to carry out erection operation, and great potential safety hazards exist.
The Chinese patent document CN203925494U discloses an onboard temporary support device for a high tunnel of a coal mine, and the Chinese patent document CN205654366U discloses an onboard temporary support device of a fully-mechanized excavating machine, and provides an onboard temporary support machine of the excavating machine, so that the problem of a temporary front cantilever can be effectively solved. The onboard temporary support machine is propelled along with the tunneling machine, so that the temporary support efficiency can be effectively improved, and the tunneling speed can be increased. The support mode has the following defects: because the airborne temporary support device is generally arranged on the cantilever section of the heading machine, after the temporary support is finished, the working space is extremely limited when workers perform anchoring operations such as drilling, bolting and the like under the temporary support device due to interference of the cutting head of the heading machine and the cantilever section, and the operation of the workers is inconvenient.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides backpack type comprehensive tunnel temporary support equipment.
The invention also provides a working method of the knapsack type fully-mechanized roadway temporary support equipment.
The technical scheme of the invention is as follows:
A knapsack comprehensive tunnel temporary support device comprises a heading machine, a telescopic transfer system and a temporary support mechanism; the telescopic transfer system is arranged on the heading machine, the temporary support mechanism is placed on the telescopic transfer system, and the temporary support mechanism is conveyed to an empty roof area in front of the heading machine through the telescopic transfer system.
Preferably, the telescopic transfer system comprises at least two stages of telescopic devices, wherein each telescopic device comprises a driving source, a bracket, an inclined hydraulic cylinder and a supporting hydraulic cylinder; the bracket is connected with the heading machine and the bracket is connected with the bracket through a sliding device, the driving source is connected with the bracket, the supporting hydraulic cylinder is hinged with the bottom of the bracket, one end of the inclined hydraulic cylinder is hinged with the bottom of the bracket, and the other end of the inclined hydraulic cylinder is hinged with the supporting hydraulic cylinder. The design has the advantages that the driving source pushes the bracket to slide on the sliding device, so that the multistage expansion of the bracket is realized, and the supporting hydraulic cylinder can be erected through the action of the inclined hydraulic cylinder, so that the bracket is supported.
Preferably, the driving source is a hydraulic cylinder.
Preferably, the sliding device comprises a linear guide rail and a sliding block arranged on the linear guide rail. The design has the advantages that the linear guide rail is arranged on the heading machine and the bracket, the bracket above is connected and arranged on the sliding block, and the linear movement of the bracket on the linear guide rail is realized through the driving source.
Preferably, two sets of sliding devices are arranged below the bracket in parallel, and two sliding blocks are arranged on each linear guide rail. The design has the advantages that the bracket is arranged on the four sliding blocks at two sides, so that the stability of the bracket in the moving process can be ensured.
Preferably, the bottom of the supporting hydraulic cylinder is provided with a supporting leg base. The design has the advantage that the support leg base can have a larger bearing surface, so that the stability is further improved.
Preferably, the temporary support mechanism comprises a top guard plate, a hydraulic cylinder X and a supporting leg base, wherein a cylinder barrel of the hydraulic cylinder X is connected with the bottom of the top guard plate, and the supporting leg base is arranged on a piston rod of the hydraulic cylinder X.
Preferably, a hydraulic cylinder X is arranged at each of four corners of the bottom of the top guard plate.
Preferably, a hydraulic station is arranged on the heading machine. The advantage of this design is that working oil is supplied to all hydraulic cylinders and the like by means of the hydraulic station.
The working method of the knapsack type comprehensive tunnel temporary support equipment comprises the following steps that a temporary support mechanism and a telescopic transfer system are in a contracted state in advance, an empty top area is formed at the cutting head and the cantilever section of the heading machine after the excavation work of the heading machine is completed, and the temporary support operation is started, wherein the method comprises the following steps:
(1) The driving source starts to work and pushes the first-stage bracket to move forwards;
(2) After the primary bracket moves in place, the inclined hydraulic cylinder drives the supporting hydraulic cylinder to stand up, and the supporting hydraulic cylinder stretches out to support the primary bracket;
(3) Repeating the steps (1) - (2), sequentially moving the multi-stage brackets in place, and simultaneously supporting the multi-stage brackets by extending out of the respective supporting hydraulic cylinders, wherein the temporary supporting mechanism is positioned in an empty top area above the cutting head of the heading machine;
(4) The hydraulic cylinder X of the temporary support mechanism starts to work, so that the support leg base is grounded, and meanwhile, the top guard plate is lifted off the bracket and is lifted upwards until the top guard plate of the roadway is lifted up;
(5) The supporting hydraulic cylinder and the inclined hydraulic cylinder retract in sequence, so that the supporting hydraulic cylinder is retracted and folded, the multi-stage brackets return to the initial positions in sequence, and then the heading machine exits the temporary support mechanism.
The invention has the beneficial effects that:
1) The invention adopts the design form of separating the temporary support mechanism from the heading machine, the temporary support mechanism carried on the heading machine is sent to the empty top area of the working face of the roadway by using the telescopic transfer system on the heading machine, the top guard plate is separated from the bracket and is connected with the top plate of the roadway by the extending movement of the piston rod of the hydraulic cylinder X, the initial supporting force is applied to the top plate by setting the oil pressure of the hydraulic cylinder X to complete temporary support, the heading machine exits from the area where the temporary support mechanism is located, and workers can perform anchoring operation in the safety area established at the bottom of the temporary support mechanism.
2) The backpack type comprehensive tunnel temporary support equipment is scientific and reasonable in structural design and convenient to operate and use, and by adopting the design of the separated temporary support mechanism, the operation of the temporary support mechanism interfered by a heading machine can be avoided, so that workers have a wider operation space under the temporary support mechanism.
Drawings
FIG. 1 is a schematic view of the overall structure of the temporary support apparatus of the present invention when the roof guard is fully raised.
Fig. 2 is a schematic view of the original state structure of the temporary support device of the present invention.
Fig. 3 is a schematic view of the structure of the temporary support equipment of the present invention when the primary bracket is sent out.
Fig. 4 is a schematic view of the structure of the temporary support equipment of the present invention when the secondary bracket is sent out.
Fig. 5 is a schematic view showing the structure of the bracket telescopic system of the present invention when it is returned to the original position.
Fig. 6 is a schematic view of the working state of the temporary support equipment of the invention.
In the figure: the hydraulic support comprises a heading machine 1, a fixed base 2, a bolt 3, a bottom plate 4, a telescopic transfer system 5, a bracket I5-1, a hinged bracket I5-1-1, a hinged bracket II 5-1-2, a hinged bracket III 5-1-3, a hinged bracket IV 5-1-4, a bracket II 5-2, a hinged bracket V5-2-2, a hinged bracket VI 5-2-3, a bracket III 5-3, a hinged bracket VIII 5-3-1, a hinged bracket IX 5-3-2, a hinged bracket X5-3, a linear guide rail I5-4, a linear guide rail II 5-5, a linear guide rail III 5-6, a slide block I5-7, a slide block II 5-8, a slide block III 5-9, a hydraulic cylinder I5-10, a hydraulic cylinder II 5-11, a hydraulic cylinder III 5-12, a hydraulic cylinder IV 5-13, a hydraulic cylinder V5-14, a hydraulic cylinder VI 5-15, a hydraulic cylinder VIII 5-16, a hydraulic cylinder 17, a hydraulic support leg I5-18, a hydraulic leg I6-6, a support leg II and a support leg 6-6, a support base 6-1, a support seat 6 and a support frame 6-6.
Detailed Description
The invention will now be further illustrated by way of example, but not by way of limitation, with reference to the accompanying drawings.
Example 1:
As shown in fig. 1, the embodiment provides a backpack type comprehensive tunnel temporary support device, which comprises a heading machine, a telescopic transfer system and a temporary support mechanism; the telescopic transfer system is arranged on the heading machine, the temporary support mechanism is placed on the telescopic transfer system, and the temporary support mechanism is conveyed to an empty roof area in front of the heading machine through the telescopic transfer system.
In this embodiment, the telescopic transfer system of main part includes tertiary telescoping device, and every stage telescoping device all includes actuating source, bracket, inclined pneumatic cylinder and support pneumatic cylinder, (bottom) between bracket and the entry driving machine, be connected through slider between bracket and the bracket, and actuating source connects the bracket, and support pneumatic cylinder is articulated with the bracket bottom, and inclined pneumatic cylinder one end is articulated with the bracket bottom, and the other end is articulated with support pneumatic cylinder.
The driving source adopts a hydraulic cylinder, and the sliding device adopts two parallel linear guide rails and two sliding blocks which are matched and installed on each linear guide rail. The telescopic transfer system 5 and the temporary support mechanism 6 are of a separable structure, namely the temporary support mechanism 6 is placed on the telescopic transfer system.
The upper surface of the heading machine 1 is fixedly connected with a fixed base 2 through bolts 3, and bottom plates 4 are welded on two sides of the fixed base 2.
Specifically, the telescopic transfer system 5 comprises a bracket I5-1 (namely a primary bracket), a bracket II 5-2 (namely a secondary bracket), a bracket III 5-3 (namely a tertiary bracket), a linear guide I5-4, a linear guide II 5-5, a linear guide III 5-6, a sliding block I5-7, a sliding block II 5-8, a sliding block III 5-9, a hydraulic cylinder I5-10, a hydraulic cylinder II 5-11, a hydraulic cylinder III 5-12, a hydraulic cylinder IV 5-13, a hydraulic cylinder V5-14, a hydraulic cylinder VI 5-15, a hydraulic cylinder VII 5-16, a hydraulic cylinder VIII 5-17, a hydraulic cylinder IX 5-18 and a supporting leg base I5-19. Wherein, the hydraulic cylinders I5-10, II 5-11 and III 5-12 are the driving sources; the hydraulic cylinders V5-14, VII 5-16 and IX 5-18 are so-called support hydraulic cylinders; the hydraulic cylinders IV 5-13, the hydraulic cylinders VI 5-15 and the hydraulic cylinders VIII 5-17 are so-called oblique hydraulic cylinders.
The number of the linear guide rails I5-4 is 2, and the linear guide rails I are fixed at the upper end positions of the two bottom plates 4 through screws; the number of the linear guide rails II 5-5 is 2, and the linear guide rails II are fixed at two side positions of the upper end of the bracket I5-1 through screws; the number of the linear guide rails III 5-6 is 2, and the linear guide rails III are fixed at two side positions of the upper end of the bracket II 5-2 through screws; the number of the sliding blocks I5-7 is 4, and the sliding blocks I are respectively assembled on the linear guide rails I5-4 of the bottom plate 4 and are symmetrically arranged on two sides; the number of the sliding blocks II 5-8 is 4, and the sliding blocks II are respectively assembled on the linear guide rails II 5-5 of the bracket I5-1 and are symmetrically arranged on two sides; the number of the sliding blocks III 5-9 is 4, and the sliding blocks III are respectively assembled on the linear guide rails III 5-6 of the bracket II 5-2 and are symmetrically arranged on two sides; the bracket I5-1 is fixedly arranged on the 4 sliding blocks I5-7; the bracket II 5-2 is fixedly arranged on the 4 sliding blocks II 5-8; the bracket III 5-3 is fixedly arranged on the 4 sliding blocks III 5-9.
The hydraulic cylinder I5-10 is hinged with the hinged support on the left side of the upper part of the fixed base 2 and the hinged support I5-1-1 respectively; the hydraulic cylinder II 5-11 is hinged with the hinged support II 5-1-2 and the hinged support on the right side of the bottom of the bracket II 5-2 respectively; the hydraulic cylinder III 5-12 is hinged with the hinged support V5-2-1 and the hinged support VIII 5-3-1 respectively; the total number of the hydraulic cylinders IV 5-13 is 2, the hydraulic cylinders IV are distributed on two sides of the bracket I5-1 and are respectively hinged with the hinged support III 5-1-3 and the hinged supports on the 2 hydraulic cylinders V5-14 on two sides, and the hydraulic cylinders IV are symmetrically arranged; the hydraulic cylinders V5-14 are distributed on two sides of the bracket I5-1 and are respectively connected to the hinged supports IV 5-1-4 in a hinged manner to form symmetrical arrangement; the hydraulic cylinders VI 5-15 are 2 in number and distributed on two sides of the bracket II 5-2, are respectively hinged with the hinged brackets VI 5-2-2 and the hinged brackets VII 5-16 on the 2 hydraulic cylinders VII 5-16 on the two sides, and are symmetrically arranged; the hydraulic cylinders VII 5-16 are distributed on two sides of the bracket II 5-2, are respectively connected to the hinged brackets VII 5-2-3 in a hinged manner and are symmetrically arranged on two sides; the total number of the hydraulic cylinders VIII 5-17 is 2, the hydraulic cylinders VIII 5-17 are distributed on two sides of the bracket III 5-3, are respectively hinged with the hinge brackets IX 5-3-2 and the hinge brackets IX 5-18 on the 2 hydraulic cylinders on two sides, and are symmetrically arranged; the number of the hydraulic cylinders IX 5-18 is 2, the hydraulic cylinders IX are distributed on two sides of the bracket III 5-3 and are respectively connected to the hinged brackets X5-3-3 in a hinged manner, and the hydraulic cylinders IX are symmetrically arranged; the bottoms of the hydraulic cylinder V5-14, the hydraulic cylinder VII 5-16 and the hydraulic cylinder IX 5-18 are respectively welded with the supporting leg bases I5-19.
The temporary support mechanism 6 comprises a top guard plate 6-1, hydraulic cylinders X6-2 and a supporting leg base II 6-3, wherein the top guard plate 6-1 is positioned on a bracket III 5-3, 4 hydraulic cylinders X6-2 are respectively fixed at four corners of the top guard plate 6-1, the supporting leg base II 6-3 is welded at the bottom end of the hydraulic cylinder X6-2, and then the supporting leg base II 6-3 is grounded through extending out of a piston rod of the hydraulic cylinder X6-2, so that the top guard plate 6-1 is jacked up; and a hydraulic station 7 for providing hydraulic power for the hydraulic components. The hydraulic cylinder I5-10, the hydraulic cylinder II 5-11, the hydraulic cylinder III 5-12, the hydraulic cylinder IV 5-13, the hydraulic cylinder VI 5-15 and the hydraulic cylinder VIII 5-17 are arranged in the form of upper and lower earrings. The hydraulic cylinders V5-14, VII 5-16 and IX 5-18 are arranged in the form of upper earrings. The top guard plate 6-1 is formed by welding square steel pipes.
The heading machine 1 is provided with a hydraulic station 7 by which the normal operation of all hydraulic cylinders (mechanisms) is ensured.
Example 2:
With the method of operation of the backpack fully-mechanized roadway temporary support apparatus of example 1, fig. 2 is a schematic diagram of the original state of the whole apparatus, and the temporary support mechanism 6 and the telescopic transfer system 5 are in a contracted state. The excavating work of the heading machine is completed, an empty top area is formed at the cutting head and the cantilever section part of the heading machine 1, temporary support work is started, and the working process is as follows:
(1) The hydraulic cylinder I5-10 works, a piston rod extends out, and the bracket I5-1 moves forwards along the linear guide rail I5-4 under the driving of the hydraulic cylinder I5-10; when the hydraulic cylinder IV 5-13 moves to a designated position, the hydraulic cylinder V5-14 is supported, and the hydraulic cylinder IV 5-13 stops working until the hydraulic cylinder V is completely in a state of being vertical to the ground; at this time, the hydraulic cylinders V5-14 are operated until they completely touch the ground to stop the operation, as shown in FIG. 3.
(2) The hydraulic cylinder II 5-11 works, and the bracket II 5-2 moves forwards along the linear guide rail II 5-5 under the drive of the hydraulic cylinder II 5-11; when the hydraulic cylinder VI 5-15 moves to a designated position, the hydraulic cylinder VII 5-16 is lifted, and the hydraulic cylinder VI 5-15 stops working until the hydraulic cylinder VI is completely in a state of being vertical to the ground; at this time, the cylinders VII 5-16 start to operate until they completely touch the ground to stop the operation, as shown in FIG. 4.
(3) The hydraulic cylinder III 5-12 works, and the bracket III 5-3 moves forwards along the linear guide rail III 5-6 under the drive of the hydraulic cylinder III 5-12; when the hydraulic cylinder VIII 5-17 moves to a designated position, the hydraulic cylinder IX 5-18 is supported, and the hydraulic cylinder VIII 5-17 stops working until the hydraulic cylinder is completely in a state of being vertical to the ground; then, the hydraulic cylinders IX 5-18 start to work until the ground is completely touched to stop working; then, the 4 hydraulic cylinders X6-2 of the temporary support mechanism 6 respectively move to jack up the top guard plate 6-1 to the top plate until the hydraulic cylinders X6-2 stop working after the set oil pressure of the equipment, and the state is shown in figure 1.
(4) The telescopic transfer system 5 is retracted step by step. Firstly, a piston rod of a hydraulic cylinder IX 5-18 under a bracket III 5-3 is retracted to an initial position, a piston rod of a hydraulic cylinder VIII 5-17 is retracted, the hydraulic cylinder IX 5-18 is retracted to a folded state, and a piston rod of a hydraulic cylinder III 5-12 is retracted to retract the bracket III 5-3; secondly, the piston rod of the hydraulic cylinder VII 5-16 is retracted to an initial position, the piston rod of the hydraulic cylinder VI 5-15 is retracted, the hydraulic cylinder VII 5-16 is retracted to a folded state, the piston rod of the hydraulic cylinder II 5-11 is retracted, and the bracket II 5-2 is retracted; finally, the piston rod of the hydraulic cylinder V5-14 is retracted to the initial position, the piston rod of the hydraulic cylinder IV 5-13 is retracted, the hydraulic cylinder V5-14 is retracted to the folded state, the piston rod of the hydraulic cylinder I5-10 is retracted, and the bracket I5-1 is retracted. As shown in fig. 5.
(5) The heading machine 1 drives the telescopic reversed loading system 5 to retract until the heading machine 1 completely exits the temporary support mechanism 6, and the state is shown in fig. 6. The temporary support work is completed. The subsequent workers can perform anchoring operation in the safety area established at the bottom of the temporary support mechanism.
Claims (7)
1. The working method of the knapsack comprehensive tunnel temporary support equipment comprises a heading machine, a telescopic transfer system and a temporary support mechanism; the telescopic transfer system is arranged on the heading machine, the temporary support mechanism is arranged on the telescopic transfer system, and the temporary support mechanism is conveyed to an empty top area in front of the heading machine through the telescopic transfer system;
The telescopic transfer system comprises at least two stages of telescopic devices, wherein each telescopic device comprises a driving source, a bracket, an inclined hydraulic cylinder and a supporting hydraulic cylinder; the brackets are connected with the heading machine and the brackets are connected with the brackets through sliding devices, the driving source is connected with the brackets, the supporting hydraulic cylinder is hinged with the bottom of the brackets, one end of the inclined hydraulic cylinder is hinged with the bottom of the brackets, and the other end of the inclined hydraulic cylinder is hinged with the supporting hydraulic cylinder;
The temporary support mechanism comprises a top guard plate, a hydraulic cylinder X and a supporting leg base, wherein a cylinder barrel of the hydraulic cylinder X is connected with the bottom of the top guard plate, and the supporting leg base is arranged on a piston rod of the hydraulic cylinder X;
the temporary support mechanism and the telescopic transfer system are in a contracted state in advance, after the excavation work of the heading machine is completed, an empty top area is formed at the cutting head and the cantilever section of the heading machine, the temporary support work is started, and the working method comprises the following steps:
(1) The driving source starts to work and pushes the first-stage bracket to move forwards;
(2) After the primary bracket moves in place, the inclined hydraulic cylinder drives the supporting hydraulic cylinder to stand up, and the supporting hydraulic cylinder stretches out to support the primary bracket;
(3) Repeating the steps (1) - (2), sequentially moving the multi-stage brackets in place, and simultaneously supporting the multi-stage brackets by extending out of the respective supporting hydraulic cylinders, wherein the temporary supporting mechanism is positioned in an empty top area above the cutting head of the heading machine;
(4) The hydraulic cylinder X of the temporary support mechanism starts to work, so that the support leg base is grounded, and meanwhile, the top guard plate is lifted off the bracket and is lifted upwards until the top guard plate of the roadway is lifted up;
(5) The supporting hydraulic cylinder and the inclined hydraulic cylinder retract in sequence, so that the supporting hydraulic cylinder is retracted and folded, the multi-stage brackets return to the initial positions in sequence, and then the heading machine exits the temporary support mechanism.
2. The method of operating a backpack fully-mechanized roadway temporary support apparatus of claim 1 wherein the drive source is a hydraulic cylinder.
3. The method of operating a backpack fully-mechanized roadway temporary support apparatus of claim 1, wherein the sliding device comprises a linear guide and a slider disposed on the linear guide.
4. A method of operating a backpack fully-mechanized roadway temporary support apparatus as recited in claim 3, wherein two sets of slides are juxtaposed under the carriage, and two slides are mounted on each linear guide.
5. The method of operation of a backpack fully-mechanized roadway temporary support apparatus of claim 1, wherein the bottom end of the support cylinder is provided with a leg base.
6. The method for operating the knapsack type fully-mechanized roadway temporary support equipment according to claim 1, wherein the four corners of the bottom of the top guard plate are respectively provided with a hydraulic cylinder X.
7. The method of operating a backpack fully-mechanized roadway temporary support apparatus of claim 1 wherein the heading machine is provided with a hydraulic station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545483.6A CN110118097B (en) | 2019-06-22 | 2019-06-22 | Backpack type fully-mechanized roadway temporary support equipment and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910545483.6A CN110118097B (en) | 2019-06-22 | 2019-06-22 | Backpack type fully-mechanized roadway temporary support equipment and application thereof |
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| CN110118097A CN110118097A (en) | 2019-08-13 |
| CN110118097B true CN110118097B (en) | 2024-04-19 |
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| CN201910545483.6A Active CN110118097B (en) | 2019-06-22 | 2019-06-22 | Backpack type fully-mechanized roadway temporary support equipment and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110118097B (en) * | 2019-06-22 | 2024-04-19 | 山东科技大学 | Backpack type fully-mechanized roadway temporary support equipment and application thereof |
| CN114278367B (en) * | 2021-12-20 | 2024-02-23 | 中国矿业大学 | Carrying device of hydraulic unit support and control method thereof |
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| CN208416529U (en) * | 2018-05-09 | 2019-01-22 | 上海创力集团股份有限公司 | Anchor Care device for development machine |
| CN110118097A (en) * | 2019-06-22 | 2019-08-13 | 山东科技大学 | A kind of backpack full-mechanized roadway gib equipment and its application |
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2019
- 2019-06-22 CN CN201910545483.6A patent/CN110118097B/en active Active
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|---|---|---|---|---|
| GB1344771A (en) * | 1971-01-18 | 1974-01-23 | Standard Oil Co | Mobile roof support unit |
| CN205206825U (en) * | 2015-12-22 | 2016-05-04 | 山东兖煤黑豹矿业装备有限公司 | Tunneling, anchoring and protection integrated machine |
| CN105971628A (en) * | 2016-03-31 | 2016-09-28 | 中国矿业大学(北京) | Temporary supporting method for tunneled roadway |
| CN107060749A (en) * | 2017-03-22 | 2017-08-18 | 沈阳重机重矿机械设备制造有限公司 | Using the pick anchoring integral fully-mechanized digging machine of 4 advanced Anchor Cares of jumbolter |
| CN208416529U (en) * | 2018-05-09 | 2019-01-22 | 上海创力集团股份有限公司 | Anchor Care device for development machine |
| CN110118097A (en) * | 2019-06-22 | 2019-08-13 | 山东科技大学 | A kind of backpack full-mechanized roadway gib equipment and its application |
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| CN110118097A (en) | 2019-08-13 |
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