CN108756982B - A kind of sliding temporary support device of two degrees of freedom and its working method - Google Patents
A kind of sliding temporary support device of two degrees of freedom and its working method Download PDFInfo
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- CN108756982B CN108756982B CN201810398513.0A CN201810398513A CN108756982B CN 108756982 B CN108756982 B CN 108756982B CN 201810398513 A CN201810398513 A CN 201810398513A CN 108756982 B CN108756982 B CN 108756982B
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- plate
- suspension device
- gib
- guide rail
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000725 suspension Substances 0.000 claims abstract description 111
- 230000003028 elevating effect Effects 0.000 claims description 32
- 230000001965 increasing effect Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 12
- 239000003245 coal Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 208000036829 Device dislocation Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- IYLGZMTXKJYONK-ACLXAEORSA-N (12s,15r)-15-hydroxy-11,16-dioxo-15,20-dihydrosenecionan-12-yl acetate Chemical compound O1C(=O)[C@](CC)(O)C[C@@H](C)[C@](C)(OC(C)=O)C(=O)OCC2=CCN3[C@H]2[C@H]1CC3 IYLGZMTXKJYONK-ACLXAEORSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- IYLGZMTXKJYONK-UHFFFAOYSA-N ruwenine Natural products O1C(=O)C(CC)(O)CC(C)C(C)(OC(C)=O)C(=O)OCC2=CCN3C2C1CC3 IYLGZMTXKJYONK-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- 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
-
- 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
-
- 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
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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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)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of sliding temporary support device of two degrees of freedom and its working methods, device includes the first suspension device, second suspension device, it moves frame driving device and moves frame auxiliary device, it is attached between first suspension device and the second suspension device by moving frame driving device and moving frame auxiliary device, sliding advance bottom lifting device is convenient in the setting of first suspension device bottom, it moves frame driving device and moves under frame auxiliary device collective effect, realize that sliding temporary support device automatic sliding proceeds to assigned work position.First suspension device and the second suspension device connect the structure of combination using two groups of three linear drive apparatus with hinge, so that there are two freedom degrees for jacking supporting tool.When the present invention solves tunnel ground and not parallel top surface, easily there is the problem of integral incline in device, with when time shift frame be not necessarily to ancillary equipment, passage step pitch is big, and supporting is more safe and reliable, with work efficiency is high, high degree of automation, the advantage good to tunnel top surface adaptability.
Description
Technical field
The present invention relates to a kind of sliding temporary support devices, and in particular to a kind of sliding gib dress of two degrees of freedom
It sets and its working method, belongs to underground mining mechanical equipment technical field.
Background technique
With the raising of coal mining mechanization degree, for the installation requirement for adapting to large-scale fully-mechanized mining equipment, many fully mechanized mining works
A width design is cut all in 8m~10m as face.For super-span incisor canal, the main support form of point of cutting of coal face
For shed shoring, shed shoring roadway construction space is small, it is difficult to cause bracket installation, while shed shoring belongs to passive branch
Shield cannot effectively improve country rock and arrange bearing strength, and not only support cost is high, labor intensity of workers is big for support pattern, but also
It seriously threatens mine safety normally to produce, restricts the development of the safe and efficient production of mine.Relative to passive protecting, Shu Zhudong
The suspension roof support of supporting can make full use of the self-bearing ability of country rock that load body is become supporting body, be able to maintain to country rock higher
Support Resistance carries out supporting.But a surrounding rock structure feature, country rock complex geological condition and secondary brush are cut for super-span
Expand phenomena such as bring stress is concentrated, using the stronger conventional suspension roof support of concealment, deformation of the surrounding rock in tunnel can be made especially tight
Weight, especially secondary brush are also easy to produce biggish security risk when expanding, it is difficult to which the requirement of suitable solution improving stability of surrounding rocks in roadway also reaches
Less than the requirement that super-span cuts a safe construction.
Existing expansion side installation Synchronos method is compared with traditional Method for Installation, and not only the safety is improved, and it is more time saving and
Save material.Expand side installation Synchronos method and use the method installed when expanding side, greatly shortens construction period, before changing first
The traditional work mode that side is expanded in tunnel again is beaten, security risk brought by traditional empty top operation is solved, can greatly save and beat
Correlative charges caused by anchor pole, anchor cable, laying safety net etc..The technique can also recycle the irretrievable caving of traditional handicraft
Coal is significantly reduced the auxiliary work personnel on working face, saves human cost.
Wherein the sliding temporary support device of two degrees of freedom is one of core equipment important in expansion side installation Synchronos method, but
It is that existing common equipment has some defects in use, is mainly manifested in:
1, the elevating mechanism of existing temporary support device is using fixed shift sleeve structure, when tunnel ground and top surface are uneven
When row, easily there is the problem of integral incline in device, cannot good supporting roof；
2, since existing temporary support device is heavier, the working resistance for moving frame is larger, when cut a gradient it is larger when, move frame
Difficulty needs the auxiliary movement of other devices, more demanding to use environment；
3, existing temporary support device passage step pitch is shorter, and frame Forward need to repeatedly drop in each circulation, to back shadow
Sound is larger；
4, existing suspension device top shield during moving frame is had time the top phase, is easily occurred falling cash and is hurted sb.'s feelings situation.
Summary of the invention
In order to overcome deficiencies of the prior art, the present invention devises a kind of sliding gib of two degrees of freedom
Device and its working method, the invention is for when solving tunnel ground and not parallel top surface, asking for integral incline easily to occur in device
Topic, with ancillary equipment is not necessarily to when time shift frame, passage step pitch is big, and supporting is more safe and reliable.
To solve the above-mentioned problems, a kind of sliding temporary support device of two degrees of freedom of the present invention, including the first supporting dress
It sets, move frame driving device and the second suspension device, the first suspension device includes the first supporting roof, the first supporting bottom plate and company
The first elevating mechanism between the first supporting roof and the first supporting bottom plate is connect, the second suspension device includes the second supporting top
Plate, the second supporting bottom plate and the second elevating mechanism being connected between the second supporting roof and the second supporting bottom plate move frame and drive
Dynamic device is connected between the first supporting bottom plate and the second supporting bottom plate；
First suspension device further includes the first gib plate and gib plate driving device；Second suspension device also wraps
Include the second gib plate and gib plate driving device；First elevating mechanism includes the two group of first lifting dress for being located inside
Two group of first elevating adjusting device in outside is set and is located at, the second elevating mechanism includes two group of second lifting device for being located inside
With two group of second elevating adjusting device for being located at outside；
First lifting device and the second lifting device structure are identical, include first straight line driving device, lifting dress
Connects hinge d and lifting device connects hinge a are set, the upper end of first straight line driving device is connected by lifting device connects hinge d
It connects and supporting bottom plate is connected to by lifting device connects hinge a in the lower end of supporting roof, first straight line driving device；
First elevating adjusting device and the second elevating adjusting device structure are identical, include second straight line driving device, the
Three linear drive apparatus, lifting device connects hinge b, lifting device connects hinge c and lifting device connects hinge e, lifting dress
It sets connects hinge b and lifting device connects hinge c and is fixed on the first supporting bottom plate or the second supporting bottom plate upper end, lifting device connects
It meets hinge e to be fixed on the first supporting roof or the second supporting roof, second straight line driving device and third linear drive apparatus
Upper end be commonly connected to be hinged on lifting device connects hinge e, second straight line driving device and third linear drive apparatus
Lower end be respectively hinged on lifting device connects hinge b and lifting device connects hinge c；
All have rectangular enclosure in first supporting roof and the second supporting roof, the first gib sleeve-board is mounted in the
In the cavity of one supporting roof and extended or retracted to two sides under the driving of gib plate driving device, the second gib
Sleeve-board is in the cavity of the second supporting roof and extended or retracted to two sides under the driving of gib plate driving device.
First gib plate under the driving of gib plate driving device can in the first supporting roof to the left or
Person moves right；Second gib plate can be in the second supporting roof to the left under the driving of gib plate driving device
Or it moves right；Under the action of moving frame linear drive apparatus, the first bottom plate and the second bottom plate can be generated in horizontal direction
Relative motion, so that sliding temporary support device can be moved along operative orientation automatically, this structure can make this dress
It sets and is carved with retaining-plate when moving in frame and work to top plate progress supporting, form two pieces of supporting temporary support areas on back
Domain is avoided and falls cash and hurt sb.'s feelings and damage to expand in operation in brush, the top plate in gib tunnel, protection staff and equipment safety
Hurt equipment；Elevating mechanism includes the lifting device that supporting roof can be made to move up along the vertical direction, with
And supporting roof can be allow to surround the elevating adjusting device that connects hinge e is rotated, so that the suspension device can be right
The case where there are larger angle between the tunnel ground of direction of advance and top plate has good adaptability.Therefore the first suspension device
With the second suspension device elevating adjusting device, supporting roof, gib plate, gib plate driving device collective effect
Under, supporting roof jacking is generated, and then carry out the adaptability supporting of tunnel top surface, the flexible branch for carrying out gib of gib plate
Shield movement.
Further, gib plate driving device includes speed increasing gear group, gear slider seat, interim linear drives dress
Set, stationary rack and movable rack, stationary rack are fixed on fixed guide rail, fixed guide rail is fixed on the first supporting roof or the
The lower end of two supporting roofs, movable rack are fixed on the lower end of the first gib plate or the second gib plate, interim straight line
Driving device one end is connected by interim driving device connects hinge a and the first supporting roof or the second supporting roof, the other end
It is connected by interim driving device connects hinge b with gear slider seat, speed increasing gear group is mounted on gear slider seat, and gear is sliding
Block is installed on fixed guide rail and can slide along fixed guide rail, and the bottom of the first supporting roof and the second supporting roof is provided with
Long hole, gear wheel is fixed in same perpendicular in the position of opening of long hole, the installation site of movable rack and speed increasing gear group
Gear wheel and upper end of the pinion gear in same perpendicular, in speed increasing gear group in the installation site and speed increasing gear group of rack gear
Movable rack engagement, pinion gear engages with the stationary rack of lower end.
Since gib plate and supporting roof length are not much different, and gib plate is needed the two of supporting roof
End can be stretched out, so the maximal work stroke of gib plate is longer, the driving point position of gib plate be also required to
It is moved with the movement of gib plate, the stretching motion of interim linear drive apparatus drives speed increasing gear group and gear slider seat
Moved along fixed guide rail, since stationary rack is fixed on fixed guide rail, the gear in speed increasing gear group with fixation
Linear motion is switched to rotary motion by the mobile process of rack gear engagement, and gear passes through the first supporting roof and the second supporting roof bottom
The long hole in portion is engaged with the movable rack of the first gib plate or the second gib board bottom portion, and then drives first temporarily to prop up
Backplate or the second gib plate are stretched out or are retracted to two sides.
Further, it is also equipped between the first suspension device and the second suspension device and moves frame auxiliary device, the shifting frame
Auxiliary device includes the lift bottom guide rail and guide rail linear drive apparatus for being located at the first suspension device and the second suspension device bottom, is led
One end of rail linear drive apparatus is connected by guide rail connects hinge a with the middle part for lifting bottom guide rail, and the other end is connected by guide rail
Hinge b is connected with the lower end right positions of the second bottom plate.
Guide rail linear drive apparatus draws lift bottom guide rail to assigned work position after the first suspension device is mobile, convenient
Carry out next working cycles.
Further, the lower end four corners of the first bottom plate are equipped with bottom raising mechanism, and the bottom raising mechanism includes and the first bottom plate
Connected lift bottom linear drive apparatus, the other end for lifting bottom linear drive apparatus are connected with lift bottom sliding block, and lifting bottom sliding block can be the
One bottom plate lower end is slided along the vertical direction, is lifted and is equipped with lift bottom idler wheel on the sliding block of bottom, and lift bottom idler wheel can slide on lift bottom guide rail.
Further, the lower end two sides of the first bottom plate and the second bottom plate are provided with guide groove, and lift bottom guide rail is snap-fit at guiding
In slot, the bottom for lifting bottom guide rail is concordant with the bottom of the second bottom plate.
In supporting operation, linear drive apparatus does not work, and the first bottom plate and lift bottom guide rail contact ground simultaneously, increases and slides
The stability of shifting formula temporary support device；When the first suspension device travels forward, linear drive apparatus work is stretched out upwards, from
And the first bottom plate is made to leave ground, it is incoming that the load of the first suspension device passes sequentially through four linear drive apparatus, lift bottom guide rail
Ground, at this point, lift bottom idler wheel is being rolled in lift bottom guide rail.Since the first suspension device is also equipped with for brushing the excavation for expanding operation
Machine, therefore the frictional force between mobile first suspension device and tunnel ground is than between the second suspension device and tunnel ground
Big more of frictional force, so integrally lifted the first suspension device using bottom raising mechanism, when mobile, what the first suspension device moved
Main resistance just switchs to lift force of rolling friction of the bottom idler wheel on lift bottom guide rail, when greatly reducing the first suspension device and travelling forward
Working resistance, facilitate sliding of the device when there is certain slope on tunnel ground move ahead.
A kind of sliding temporary support device working method of two degrees of freedom, comprising the following steps:
The present apparatus is transported to working face by the first step, is debugged and is completed, other corollary equipments are ready；
Second step, sliding excavator the sliding temporary support device of two degrees of freedom supporting dropping coal, it is sudden and violent after coal breakage
The top plate of dew is using the second gib plate extension supporting on the second suspension device；
The second gib plate in third step, the second suspension device is withdrawn, the interim branch of first on the first suspension device
Behind backplate extension shield top, move forward after the second suspension device drop frame；
4th step, the second suspension device reach specified station jacking supporting, on the second suspension device in the second interim branch
Backplate extendes back shield top, and the first gib plate in the first suspension device retracts, and frame drops in the first suspension device；
5th step, the first suspension device move forward under the dragging for moving frame linear drive apparatus, and the in the second suspension device
Two gib plates extend back shield top, and the first gib plate in the first suspension device extendes back protection；
The second gib plate in 6th step, the second suspension device is withdrawn, and lift bottom guide rail Forward resets, the first supporting dress
Top set ascending branch shield, is put into the hydraulic support for supporting at the sky top of rear portion；
The first gib plate in 7th step, the first suspension device is withdrawn, and hydraulic support jacks supporting.
8th step, repeat the first to the 7th step, it can be achieved that the sliding temporary support device of two degrees of freedom gib
It is acted with automatic sliding.
First straight line driving device 3021 as described herein, second straight line driving device 3022, third linear drive apparatus
3023, frame linear drive apparatus 2012 is moved, bottom linear drive apparatus 1011, guide rail linear drive apparatus 2003, interim straight line are lifted
Driving device 3056 can use hydraulic cylinder, electric cylinder isoline driving device when realizing.
Compared with the existing prior art, advantage is the present invention:
1, the supporting roof of the sliding temporary support device of two degrees of freedom is connected using mobilizable hinge with lifting device,
Supporting roof can there are two movement, one along the vertical direction on translation, the other is around top plate lifting device connects hinge e
Rotation.Because the top surface and ground in tunnel can not can guarantee stringent parallel relation, traditional jack in actual condition
Structure and its top and bottom all use affixed form, and under such conditions, jacking supporting can make back unbalance stress, destroy
Back, while its equipment is easy to cause equipment that serious damage occurs because local pressure is excessive.The present invention is due to its supporting
There are two freedom degrees for top plate, can be very good to adapt to this severe operating condition, thus to the not parallel situation of back and ground
Under adaptability it is good；
2, the design that the driving device of gib plate is cooperated using special gear set and rack gear, so that gib plate
It can be stretched out from supporting roof two sides, in moving frame and work, position is being propped up among the first suspension device and the second suspension device
It is carved with the protection of gib plate when shield, avoids and falls the generation that cash is hurted sb.'s feelings with injury device；
3, device uses bottom lifting device and track combination mode.Due in actual operation, when temporary support device slides
When advance, sliding excavator can be parked on the first suspension device.The biggish first supporting dress of quality is made using this structure
It sets to roll on lift bottom guide rail under the action of guide rail linear drive apparatus and move ahead, not direct during advancing and ground face contact,
Resistance is smaller in advance, current equipment can not normal movement cut the biggish situation of a gradient under, sliding advance performance it is good；
4 and gib plate can be stretched out in suspension device two sides, it is ensured that effective coverage it is longer so that device pushes away
Away from longer, each circulation only needs once drop frame Forward for walk, solves the disadvantage that existing suspension device needs repeatedly to drop frame and moves forward；
5, the working method for the sliding temporary support device that this law is mentioned can greatly promote brush peace integral process
Working efficiency, the back at temporary support device supporting work surface, the equipment and personnel of its underpart of protection, back
Hydraulic support is then long-term supported laneway top plate.
Detailed description of the invention
Fig. 1 is the overall structure diagram of apparatus of the present invention；
Fig. 2 is the second suspension device structural schematic diagram in the present invention；
Fig. 3 is bottom connection schematic diagram of the present invention；
Fig. 4 is bottom structure explosive view of the present invention；
Fig. 5 is the Structure explosion diagram of gib plate driving device in the present invention；
Fig. 6 is the first step of working method in the present invention；
Fig. 7 is the second step of working method in the present invention；
Fig. 8 is the third step of working method in the present invention；
Fig. 9 is the 4th step of working method in the present invention；
Figure 10 is the 5th step of working method in the present invention；
Figure 11 is the 6th step of working method in the present invention；
Figure 12 is the 7th step of working method in the present invention；
In figure: the first suspension device of 100-, the first bottom plate of 101-, the first elevating adjusting device of 102-, the first supporting of 103-
Top plate, 104- the first gib plate, 200- shifting frame auxiliary device, 201- shifting frame driving device, the second suspension device of 300-,
The second bottom plate of 301-, the second elevating adjusting device of 302-, the second supporting roof of 303-, 304- the second gib plate, 305- face
When retaining-plate driving device, 3021- first straight line driving device, 3022- second straight line driving device, 3023- third straight line drive
Dynamic device, 3024- lifting device connects hinge a, 3025- lifting device connects hinge b, 3026- lifting device connects hinge c,
3027- lifting device connects hinge d, 3028- lifting device connects hinge e, 2011- support moving device connects hinge a, 2012- shifting
Frame linear drive apparatus, 2013- support moving device connects hinge b, 1011- lift bottom linear drive apparatus, and 1012- lifts bottom sliding block,
1013- lifts bottom idler wheel, and 2001- guide rail connects hinge a, 2002- lift bottom guide rail, 2003- guide rail linear drive apparatus, and 2004- is led
Interim driving device connects hinge a, 3054- the speed increasing gear group of rail connects hinge b, 3053-, 3055- gear slider seat, 3056-
Interim linear drive apparatus, 3057- stationary rack, the fixed guide rail of 3058-, 3059- movable rack, the interim driving device of 3060-
Connects hinge b；400, hydraulic support
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.For the convenience of description, before being defined as on the left of Fig. 6, it is right
After side is defined as.
As depicted in figs. 1 and 2, the sliding temporary support device of a kind of two degrees of freedom, including the first suspension device 100, shifting
Frame driving device 201 and the second suspension device 300, the first suspension device 100 include 103, first river bottom protection of the first supporting roof
Plate 101 and the first elevating mechanism being connected between the first supporting roof 103 and the first supporting bottom plate 101, the second supporting dress
300 are set including the second supporting roof 303, the second supporting bottom plate 301 and is connected to the second supporting roof 303 and second river bottom protection
The second elevating mechanism between plate 301 moves frame driving device 201 and is connected to the first supporting bottom plate 101 and the second supporting bottom plate 301
Between；
First suspension device also 100 includes the first gib plate 104 and gib plate driving device 305；Second
Protection unit 300 further includes the second gib plate 304 and gib plate driving device 305；First elevating mechanism includes being located at
Two group of first lifting device of inside and two group of first elevating adjusting device 102 for being located at outside, the second elevating mechanism include setting
Inside two group of second lifting device and be located at outside two group of second elevating adjusting device 302；
First lifting device and the second lifting device structure are identical, include first straight line driving device 3021, rise
Falling unit connects hinge d3027 and lifting device connects hinge a3024, the upper end of first straight line driving device 3021 pass through lifting
Device connects hinge d3027 is connected to supporting roof, the lower end of first straight line driving device 3021 passes through lifting device connecting hinge
Chain a3024 is connected to supporting bottom plate；
First elevating adjusting device and the second elevating adjusting device structure are identical, include second straight line driving device
3022, third linear drive apparatus 3023, lifting device connects hinge b3025, lifting device connects hinge c3026 and lifting dress
It sets connects hinge e3028, lifting device connects hinge b3025 and lifting device connects hinge c3026 and is fixed on first river bottom protection
301 upper end of plate 101 or the second supporting bottom plate, lifting device connects hinge e3028 are fixed on the first supporting roof 103 or second
It protects on top plate 303, the upper end of second straight line driving device 3022 and third linear drive apparatus 3023 is commonly connected to be hinged on
On lifting device connects hinge e3028, the lower end of second straight line driving device 3022 and third linear drive apparatus 3023 is distinguished
It is hinged on lifting device connects hinge b3025 and lifting device connects hinge c3026；
Rectangular enclosure, the first gib plate are all had in first supporting roof 103 and the second supporting roof 303
104 be sleeved in the cavity of the first supporting roof 103 and stretched out under the driving of gib plate driving device 305 to two sides or
Retraction, the second gib plate 304 are sleeved in the cavity of the second supporting roof 303 and in gib plate driving device 305
Driving under it is extended or retracted to two sides.
First gib plate 104 can be in the first supporting roof 103 under the driving of gib plate driving device 305
Inside to the left or move right；Second gib plate 304 can be second under the driving of gib plate driving device 305
It to the left or moves right in supporting roof 303；Under the action of moving frame linear drive apparatus 2012, the first bottom plate 101 and
Two bottom plates 301 can generate the relative motion in horizontal direction, so that sliding temporary support device can be automatic along work
Direction is mobile, and this structure can make the present apparatus be carved with retaining-plate when moving in frame and work to top plate progress supporting, in tunnel
On top plate formed two pieces of supporting gib regions, thus brush expand operation in, the top plate in gib tunnel, protection staff and
Equipment safety avoids and falls cash and hurt sb.'s feelings and injury device；Elevating mechanism includes that supporting roof can be made along perpendicular
Histogram is to the lifting device moved up, and supporting roof can be allow to rotate around lifting device connects hinge e3028
Elevating adjusting device so that the suspension device can there are larger angle between the tunnel ground to direction of advance and top plate
The case where have good adaptability.Therefore the first suspension device and the second suspension device elevating adjusting device, supporting roof,
Gib plate, gib plate driving device collective effect under, generate supporting roof jacking, and then it is suitable to carry out tunnel top surface
The supporting of answering property, the flexible supporting movement for carrying out gib of gib plate.
As shown in Figure 1 and Figure 5, gib plate driving device 305 includes speed increasing gear group 3054, gear slider seat
3055, interim linear drive apparatus 3056, stationary rack 3057 and movable rack 3059, stationary rack 3057 are fixed in fixation and lead
On rail 3058, fixed guide rail 3058 is fixed on the lower end of the first supporting roof 103 or the second supporting roof 303, movable rack
3059 are fixed on the lower end of the first gib plate 104 or the second gib plate 304, interim 3056 one end of linear drive apparatus
It is connected by interim driving device connects hinge a3053 and the first supporting roof 103 or the second supporting roof 303, the other end is logical
It crosses interim driving device connects hinge b3060 and gear slider seat 3055 connects, speed increasing gear group 3054 is mounted on gear slider
On seat 3055, gear slider seat 3055 is installed on fixed guide rail 3058 and can be along fixed guide rail sliding, the first supporting roof
103 and second the bottom of supporting roof 303 be provided with long hole, the installation site and increasing of the position of opening of long hole, movable rack 3059
Gear wheel is small in same perpendicular, the installation site and speed increasing gear group 3054 of stationary rack 3057 in fast gear set 3054
Gear is in same perpendicular, and the gear wheel in speed increasing gear group 3054 engages with the movable rack 3059 of upper end, pinion gear
It is engaged with the stationary rack 3057 of lower end.
Since gib plate and supporting roof length are not much different, and gib plate is needed the two of supporting roof
End can be stretched out, so the maximal work stroke of gib plate is longer, the driving point position of gib plate be also required to
It is moved with the movement of gib plate, the stretching motion of interim linear drive apparatus 3056 drives speed increasing gear group 3054 and tooth
Wheel take-up housing 3055 is moved along fixed guide rail 3058, since stationary rack 3057 is fixed on fixed guide rail 3058, is increased
Linear motion is switched to rotary motion, gear in the process for engaging movement with stationary rack 3057 by the gear on fast gear set 3054
Across the long hole of 303 bottom of the first supporting roof 103 and the second supporting roof and the first gib plate 104 or the second interim branch
The movable rack 3059 of 304 bottom of backplate engages, so drive the first gib plate 104 or the second gib plate 304 to
Two sides are stretched out or are retracted.
Shown in as shown in Figure 1, Figure 3 and Figure 4, it is auxiliary that shifting frame is also equipped between the first suspension device 100 and the second suspension device 300
Device 200 is helped, the shifting frame auxiliary device includes the lift bottom for being located at 300 bottom of the first suspension device 100 and the second suspension device
Guide rail 2002 and guide rail linear drive apparatus 2003, one end guide rail connects hinge a2001 of guide rail linear drive apparatus 2003 with
The middle part for lifting bottom guide rail 2002 is connected, and the other end passes through the lower end right positions of guide rail connects hinge b2004 and the second bottom plate 301
It is connected.
Guide rail linear drive apparatus 2003 draws lift bottom guide rail 2002 to specified work after the first suspension device 100 is mobile
Make position, facilitates and carry out next working cycles.
As shown in figure 4, the lower end four corners of the first bottom plate 101 are equipped with bottom raising mechanism, the bottom raising mechanism includes and first
The connected lift bottom linear drive apparatus 1011 of bottom plate 101 lifts the other end and lift bottom sliding block 1012 of bottom linear drive apparatus 1011
It is connected, lifts and lift bottom idler wheel 1013 is installed on bottom sliding block 1012, lift bottom sliding block 1012 can be square vertically in 101 lower end edge of the first bottom plate
To sliding, bottom sliding block 1012 is lifted, lift bottom idler wheel 1013 can slide on lift bottom guide rail 2002.
The lower end two sides of first bottom plate 101 and the second bottom plate 301 are provided with guide groove, and lift bottom guide rail 2002 is snap-fit at guiding
In slot, the bottom for lifting bottom guide rail is concordant with the bottom of the second bottom plate 301.
In supporting operation, linear drive apparatus 1011 does not work, and the first bottom plate 101 and lift bottom guide rail 2002 contact simultaneously
Ground increases the stability of sliding temporary support device；When the first suspension device 100 travels forward, linear drive apparatus
1011 jackings, lift bottom sliding block 1012 moves straight down with respect to 101 sliding slots of the first bottom plate, so that the first bottom plate 101 be made to leave
Ground, the load of the first suspension device 100 passes sequentially through four linear drive apparatus 1011, lift bottom guide rail 2002 is passed to ground,
At this point, lift bottom idler wheel 1013 is being rolled in lift bottom guide rail 2002.Expand operation for brushing since the first suspension device 100 is also equipped with
Excavator, therefore the frictional force between mobile first suspension device 100 and tunnel ground is than the second suspension device 300 and tunnel
Big more of frictional force between ground, so lifted using bottom raising mechanism by the first suspension device 100 is whole, when moving, first
The mobile main resistance of suspension device 100 just switchs to lift force of rolling friction of the bottom idler wheel 1013 on lift bottom guide rail 2002, significantly
Reduce working resistance when the first suspension device 100 travels forward, facilitates cunning of the device when there is certain slope on tunnel ground
It moves and moves ahead.
A kind of sliding temporary support device working method of two degrees of freedom, comprising the following steps:
The first step is transported to working face as shown in Figure 6, by the present apparatus, debugs and is completed, other corollary equipments prepare
It is ready；
Second step is as shown in Figure 7, sliding excavator sliding temporary support device supporting dropping coal, it is sudden and violent after coal breakage
The top plate of dew is using the second gib plate 304 extension supporting on the second suspension device 300；
Second gib plate 304 of the third step as shown in Figure 8, in the second suspension device 300 is withdrawn, the first suspension device
Behind the first gib plate 104 extension shield top on 100, move forward after the second suspension device 300 drop frame；
4th step is as shown in Figure 9, the second suspension device 300 reaches specified station jacking supporting, on the second suspension device 300
In the second gib plate 304 extend back shield top, the first gib plate 104 in the first suspension device 100 retracts, first
Frame drops in protection unit 100；
5th step is as shown in Figure 10, lift bottom linear drive apparatus 1011 jacks, and the first suspension device 100 leaves ground, and
It is in rolling condition in lift bottom guide rail 2002, the first suspension device 100 moves forward under the dragging for moving frame linear drive apparatus 2012
In place, then lift bottom linear drive apparatus 1011 retracts, and the first suspension device 100 and lift bottom guide rail 2002 contact ground simultaneously,
The first suspension device 100 is kept to be in stable state, the second gib plate 304 in the second suspension device 300 extendes back shield top,
The first gib plate 104 in first suspension device 100 extendes back protection；
Second gib plate 304 of 6th step as shown in figure 11, in the second suspension device 300 is withdrawn, and lifts bottom guide rail
2002 move forward under the dragging of guide rail linear drive apparatus 2003, and the first suspension device 100 jacks supporting, put at the sky top of rear portion
Enter the hydraulic support 400 for supporting；
First gib plate 104 of 7th step as shown in figure 12, in the first suspension device 100 is withdrawn, hydraulic support 400
Jack supporting.
8th step, repeat the first to the 7th step, it can be achieved that the sliding temporary support device of two degrees of freedom gib
It is acted with automatic sliding.
Claims (5)
1. a kind of sliding temporary support device of two degrees of freedom, including the first suspension device (100), shifting frame driving device (201)
With the second suspension device (300), the first suspension device (100) includes the first supporting roof (103), the first supporting bottom plate (101)
And it is connected to the first elevating mechanism between the first supporting roof (103) and the first supporting bottom plate (101), the second suspension device
(300) include the second supporting roof (303), the second supporting bottom plate (301) and be connected to the second supporting roof (303) and second
The second elevating mechanism between supporting bottom plate (301) moves frame driving device (201) and is connected to the first supporting bottom plate (101) and the
Between two supporting bottom plates (301)；It is characterized in that,
First suspension device (100) further includes the first gib plate (104) and gib plate driving device (305)；Second
Suspension device (300) further includes the second gib plate (304) and gib plate driving device (305)；First elevating mechanism
Including being located at two group of first lifting device of inside and being located at two group of first elevating adjusting device (102) in outside, the second lifting
Mechanism includes two group of second elevating adjusting device (302) for being located at two group of second lifting device of inside and being located at outside；
First lifting device and the second lifting device structure are identical, include first straight line driving device (3021), lifting
Device connects hinge d (3027) and lifting device connects hinge a (3024), the upper end of first straight line driving device (3021) pass through
Lifting device connects hinge d (3027) is connected to supporting roof, the lower end of first straight line driving device (3021) passes through lifting dress
It sets connects hinge a (3024) and is connected to supporting bottom plate；
First elevating adjusting device and the second elevating adjusting device structure are identical, include second straight line driving device (3022),
Third linear drive apparatus (3023), lifting device connects hinge b (3025), lifting device connects hinge c (3026) and lifting
Device connects hinge e (3028), lifting device connects hinge b (3025) and lifting device connects hinge c (3026) are fixed on
One supporting bottom plate (101) or second supporting bottom plate (301) upper end, lifting device connects hinge e (3028) are fixed on the first supporting
On top plate (103) or the second supporting roof (303), second straight line driving device (3022) and third linear drive apparatus (3023)
Upper end be hinged on lifting device connects hinge e (3028) jointly, second straight line driving device (3022) and third straight line drive
The lower end of dynamic device (3023) is respectively hinged at lifting device connects hinge b (3025) and lifting device connects hinge c (3026)
On；
Rectangular enclosure, the first gib plate are all had in first supporting roof (103) and the second supporting roof (303)
(104) it is sleeved in the cavity of the first supporting roof (103) and under the driving of gib plate driving device (305) to two sides
Extended or retracted, the second gib plate (304) is sleeved in the cavity of the second supporting roof (303) and drives in gib plate
It is extended or retracted to two sides under the driving of dynamic device (305)；
Gib plate driving device (305) includes speed increasing gear group (3054), gear slider seat (3055), interim linear drives
Device (3056), stationary rack (3057) and movable rack (3059), stationary rack (3057) are fixed in fixed guide rail (3058)
On, fixed guide rail (3058) are fixed on the lower end of the first supporting roof (103) or the second supporting roof (303), movable rack
(3059) lower end of the first gib plate (104) or the second gib plate (304), interim linear drive apparatus are fixed on
(3056) one end passes through interim driving device connects hinge a (3053) and the first supporting roof (103) or the second supporting roof
(303) it connects, the other end is connected by interim driving device connects hinge b (3060) and gear slider seat (3055), speedup tooth
Wheel group (3054) is mounted on gear slider seat (3055), and gear slider seat (3055) is installed on fixed guide rail (3058) and can
Along fixed guide rail sliding, the bottom of the first supporting roof (103) and the second supporting roof (303) is provided with long hole, and long hole is opened
Gear wheel is fixed in same perpendicular in hole site, the installation site of movable rack (3059) and speed increasing gear group (3054)
Pinion gear is in same perpendicular in the installation site and speed increasing gear group (3054) of rack gear (3057), speed increasing gear group
(3054) gear wheel in is engaged with the movable rack (3059) of upper end, pinion gear is engaged with the stationary rack (3057) of lower end.
2. the sliding temporary support device of two degrees of freedom according to claim 1, which is characterized in that the first suspension device
(100) it is also equipped between the second suspension device (300) and moves frame auxiliary device (200), the shifting frame auxiliary device includes setting
In the lift bottom guide rail (2002) and guide rail linear drive apparatus of the first suspension device (100) and the second suspension device (300) bottom
(2003), one end of guide rail linear drive apparatus (2003) by guide rail connects hinge a (2001) and is lifted bottom guide rail (2002)
Middle part is connected, and the other end is connected by guide rail connects hinge b (2004) with the lower end right positions of the second bottom plate (301).
3. the sliding temporary support device of two degrees of freedom according to claim 2, which is characterized in that the first bottom plate (101)
Lower end four corners are equipped with bottom raising mechanism, and the bottom raising mechanism includes the lift bottom linear drive apparatus being connected with the first bottom plate (101)
(1011), the other end for lifting bottom linear drive apparatus (1011) is connected with lift bottom sliding block (1012), and lifting bottom sliding block (1012) can be
First bottom plate (101) lower end is slided along the vertical direction, and lift bottom idler wheel (1013) is equipped in lift bottom sliding block (1012), lifts bottom idler wheel
(1013) it can be slided in lift bottom guide rail (2002).
4. the sliding temporary support device of the two degrees of freedom according to Claims 2 or 3, feature exist, the first bottom plate (101) and
The lower end two sides of second bottom plate (301) are provided with guide groove, and lift bottom guide rail (2002) is snap-fit in guide groove, lift the bottom of bottom guide rail
Portion is concordant with the bottom of the second bottom plate (301).
5. the working method of the sliding temporary support device of two degrees of freedom described in a kind of Claims 1-4 any claim,
Characterized by comprising the following steps:
The present apparatus is transported to working face by the first step, is debugged and is completed, other corollary equipments are ready；
The supporting dropping coal of second step, sliding excavator in the sliding temporary support device of two degrees of freedom, exposure after coal breakage
Top plate is using the second gib plate (304) extension supporting on the second suspension device (300)；
The second gib plate (304) in third step, the second suspension device (300) is withdrawn, on the first suspension device (100)
Behind first gib plate (104) extension shield top, move forward after the second suspension device (300) drop frame；
4th step, the second suspension device (300) reach specified station jacking supporting, on the second suspension device (300) in second
Gib plate (304) extendes back shield top, and the first gib plate (104) in the first suspension device (100) retracts, the first supporting
Frame drops in device (100)；
5th step, the first suspension device (100) move forward, after the second gib plate (304) in the second suspension device (300)
Shield top is stretched, the first gib plate (104) in the first suspension device (100) extendes back protection；
The second gib plate (304) in 6th step, the second suspension device (300) is withdrawn, and lift bottom guide rail (2002) Forward is multiple
Position, the first suspension device (100) jack supporting, the hydraulic support (400) for supporting are put at the sky top of rear portion；
The first gib plate (104) in 7th step, the first suspension device (100) is withdrawn, hydraulic support (400) jacking branch
Shield；
8th step, repeat the first to the 7th step, it can be achieved that the gib of the sliding temporary support device of two degrees of freedom and from
Dynamic sliding movement.
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| CN201810398513.0A CN108756982B (en) | 2018-04-28 | 2018-04-28 | A kind of sliding temporary support device of two degrees of freedom and its working method |
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| CN201810398513.0A CN108756982B (en) | 2018-04-28 | 2018-04-28 | A kind of sliding temporary support device of two degrees of freedom and its working method |
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| CN108756982B true CN108756982B (en) | 2019-08-20 |
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| CN111980703B (en) * | 2020-08-31 | 2022-10-18 | 中国矿业大学 | Lateral roof cutting pressure relief equipment and roof cutting pressure relief method for coal pillar dam body of underground reservoir |
| CN112127947B (en) * | 2020-09-25 | 2023-05-02 | 中国矿业大学 | Roof cutting and pressure relief equipment and roof cutting and pressure relief method for end head of fully-mechanized coal mining face |
| CN113236327A (en) * | 2021-05-31 | 2021-08-10 | 中煤北京煤矿机械有限责任公司 | Sliding adjustable connecting rod side guard plate structure suitable for three telescopic supports |
| CN114060076B (en) * | 2021-10-13 | 2023-10-27 | 湖南科技学院 | Shock-proof protection frame for tunnel engineering |
| CN113944490B (en) * | 2021-10-19 | 2022-04-01 | 湖南工程学院 | Collapse-preventing tunnel construction disaster prevention and reduction structure |
| CN115288758B (en) * | 2022-07-01 | 2023-03-21 | 河南龙宇能源股份有限公司车集煤矿 | Gob entry dynamic pressure area prevents equipment of strutting of roof fall |
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| CN108756982A (en) | 2018-11-06 |
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