CN106401630A - Device for preventing side slipping of support base and using method - Google Patents
Device for preventing side slipping of support base and using method Download PDFInfo
- Publication number
- CN106401630A CN106401630A CN201610788016.2A CN201610788016A CN106401630A CN 106401630 A CN106401630 A CN 106401630A CN 201610788016 A CN201610788016 A CN 201610788016A CN 106401630 A CN106401630 A CN 106401630A
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- China
- Prior art keywords
- plate
- bearing block
- fixed plate
- base
- length
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/08—Advancing mechanisms
- E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction
Abstract
The invention discloses a device for preventing side slipping of a support base. The device comprises a bearing block (1), an anti-drilling bottom baffle (2) and a guiding plate (3). The guiding plate (3) comprises a first fixing plate (301) and a cutting part (302). A fixing hole (303) is formed in the first fixing plate (301), and the distance between the fixing hole (303) and the bottommost end of the cutting part (302) is H+220 mm, wherein H is the thickness of the forepoling base, and the unit of H is millimeter; and the guiding plate (3) stretches deep into a soft bottom plate to achieve the sliding prevention and side moving prevention effects of a forepoling. The structure is practical, simple and reliable, and coal mining efficiency and safety production of a coal mine are improved.
Description
Technical field
The present invention relates to coal mine roadway advance support field, more particularly to a kind of device preventing bracket base from breakking away and
Using method.
Background technology
China《Safety regulations in coal mine》Clear stipulaties:The scope of coal return airway advance support can not be less than 20m.Pass
What the comprehensive return airway in system mining area was general is that hydraulic prop makees advance support, with fully-mechanized mining working mechanization journey
The continuous improvement of degree, this support pattern is difficult to match with the production model of fully-mechanized mining working high-yield and high-efficiency, and this
There is the shortcomings of supporting intensity is low, labor strength is big, support speed is slow in shield mode.In order to solve these problems, coal section is total
The equipment manufacturings such as Taiyuan branch of institute, ZhengZhou mine machine Group Co., Ltd have developed the advance support liquid of different model
Pressure support.These forepoling hydraulic supports meet the requirement of mine safety, high-yield and high-efficiency to a certain extent.But these surpass
Front support frame much needs setting to try to stop people from fighting each other anchor point, and arranges anchor point tedious process, and inefficiency is it is impossible to realize quick peace
Full advanced hydraulic support passage；For another example, using promoting shifting frame structure more than existing advance support rack, shifting frame is promoted can to cause to move
Dynamic deflection and moving difficulty.Largely impact coal mining efficiency and Safety of Coal Mine Production work.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of safe, practical, simple and reliable bracket base that prevents to break away
Device.
A kind of device preventing bracket base from breakking away includes bearing block, anti-drilling bottom baffle and guide plate, described bearing block with
The front end of the base of advanced hydraulic support is connected, and is provided with the fixing groove of up/down perforation, described solid in the middle part of described bearing block
Determine in groove, to be provided with described guide plate, described anti-drilling bottom baffle is arc, the front end of the bottom of its lower end and described bearing block
It is connected, the bottom of the middle part of the described arc direction of advance to described advanced hydraulic support is protruded；
Described guide plate includes the first fixed plate and is connected to the cutting part of described first fixed plate bottom, in described fixation
The both sides of the length direction of groove are respectively arranged with the second fixed plate, are provided with pin hole, described in described second fixed plate
It is provided with fixing hole, wherein said fixing hole will be solid for described first fixed plate by latch with described pin hole in first fixed plate
It is scheduled in described second fixed plate；Described cutting part is cutter, and the knife back is connected with the bottom of described first fixed plate, described cutter
The front end of the bottom of rear end and the described knife back be connected to form the blade of arc；
Roadway floor be Loose floor, allow that uniaxial compressive strength is 7.50～10.50MPa, described fixing hole with described
The distance between lowermost end of cutting part is H+220mm, and H is advance timbering base thickness, and unit is mm；
The length of fixed plate is 400mm, and thickness is 8mm；On the anterior-posterior horizontal direction of described anti-drilling bottom baffle
Length is 400mm, and the height in upper and lower vertical direction is 500mm.
The device preventing bracket base from breakking away of the present invention, wherein, the upper and lower of the rear end of described bearing block
It is connected to upper mounted plate and bottom plate, the front end of the base of described advanced hydraulic support is fixed on described using fixing band
Between upper mounted plate and described bottom plate.
The device preventing bracket base from breakking away of the present invention, wherein, described first fixed plate on top 2/3rds
Cross section be shaped as rectangle, being shaped as of the cross section of described first fixed plate of bottom 1/3rd is trapezoidal, described
The length of the front end of one fixed plate is less than the length of rear end.
The device preventing bracket base from breakking away of the present invention, wherein, the anterior-posterior length of described bearing block is 430mm,
Width and height and the width of the base of described advanced hydraulic support and highly consistent, the anterior-posterior length of described fixing groove is
300mm, width is 15mm, is 40mm with the distance between the front end of described bearing block, between the rear end of described bearing block away from
From for 90mm；Described bearing block is hinged with fixed plate, is welded and fixed with described bottom plate；Described fixing band is steel wire
Piece or the long iron block of molding.
The device preventing bracket base from breakking away of the present invention, wherein, the anterior-posterior length of described guide plate is 290mm,
Width the widest part is 13mm, and the narrowest place is 3～4mm, highly for 600mm；Described in the centre distance of described fixing hole, first is fixing
The distance of the front end of plate is 150mm, and the distance of rear end is 140mm, a diameter of 25mm of described fixing hole；Described pin hole straight
Footpath is 12mm, a diameter of 10mm of described latch.
The using method of the device preventing bracket base from breakking away of the present invention, comprises the steps：
(A) before needing to move frame, it is directed to plate, bearing block and anti-drilling bottom baffle transport advanced hydraulic support side,
Advanced hydraulic support pan frontward end excavates the ditch of a deep 20mm slightly, by the bottom plate of bearing block along advanced hydraulic support
Base below be gradually inserted, insert at least 500mm, when resistance is larger push away to enter when, stop manual work, personnel away from
Frame, moves frame by advanced hydraulic support, progressively makes bearing block reach the front end of advanced hydraulic support base；Stop moving frame, use ferrum
Hammer all around beat bearing block so as in front and back with align so as to parallel with base adjacent in front and back about base；
(B) upper mounted plate is rotated to above bearing block, by fixing band, upper mounted plate is connected with bottom plate and revolves
Fasten；
(C) put into guide plate, the edge of a knife direction of the bottom of guide plate, in front of moving direction, is directed to plate with iron hammer and pounds
The corresponding position of fixing hole, insertion latch, Fixed latches, the place contacting with guide plate with the left and right sides on rear side of fixing groove,
Fill in a small amount of burlap or Corchorus olitorius L., reduce the hard contact between iron block, the space of minimizing 2mm is caused to guide plate as far as possible
Steering error；
(D) when needing steering or adjustment direction, stop moving frame, manually beat pressure block side with iron hammer, make pressure-bearing
Block forms little crack with the pan frontward end of advanced hydraulic support, fills in an appropriate number of trumpet standard iron block, little using one piece
The anglec of rotation of number standard iron block is 2 °, lays particular number as needed；When quantity is more than 3 pieces, using large size standard ferrum
Block, the angle of formation is 6 °.
The using method of the device preventing bracket base from breakking away of the present invention, wherein, described trumpet standard iron block
Length and width and high respectively 150mm, 15mm and 150mm, described large size standard iron block is trapezoidal, and length is 300mm, the width of upper end
For 31mm, a width of 47mm of lower end, a height of 150mm.
The present invention prevents the device difference from prior art that bracket base breaks away to be：
Traditional advance support rack much needs setting to try to stop people from fighting each other anchor point, and arranges anchor point tedious process, and efficiency is low
Down it is impossible to realize fast and safely advanced hydraulic support passage；Using promoting shifting frame structure more than existing advance support rack, promote
Move frame and can cause mobile deflection and moving difficulty, largely impact coal mining efficiency and Safety of Coal Mine Production work.
The present invention prevents equipment safety that bracket base breaks away, practicality, simple and reliable, improves coal mining efficiency and colliery
Safety in production.
Field experience surface the overwhelming majority bracket base break away and frame all be occur move frame during it is therefore desirable to
Act as a planted agent before moving frame, anchor point is set, bit by bit draws forward, need to rearrange basic point using very heavy after support skew
Pushing tow returns, and what such support was difficult to settle at one go again returns to original position, when support is toppled over simultaneously termination be nearby and
Its danger, the present invention prevents device that bracket base breaks away it is ensured that support moves according to predetermined paths, and guide plate is combined and held
Pouring weight has the function of preventing base sliding, and base is stable, moves frame safety and greatly improves, this is simple and reliable for structure simultaneously, practical,
Strong for the complicated this simple structural reliability of geological environment in down-hole, practical, substantially increase coal mining efficiency and coal
The safety in production of ore deposit.
Below in conjunction with the accompanying drawings the device that bracket base breaks away that prevents of the present invention is described further.
Brief description
Fig. 1 prevents the structural representation of the device of bracket base sideslip for the present invention；
Fig. 2 prevents the overlooking the structure diagram of the device of bracket base sideslip for the present invention；
Fig. 3 prevents, for the present invention, the overlooking the structure diagram under turn condition for the device that bracket base breaks away；
Fig. 4 prevents the structural representation of device small size standard iron block in use that bracket base breaks away for the present invention
Figure；
Fig. 5 prevents the structural representation of device large size standard iron block in use that bracket base breaks away for the present invention
Figure.
Specific embodiment
Embodiment 1
As shown in FIG. 1 to 3, a kind of device preventing bracket base from breakking away, including bearing block 1, anti-drilling bottom baffle 2 with lead
To plate 3, bearing block 1 is connected with the front end of the base of advanced hydraulic support 4, is provided with consolidating of up/down perforation in the middle part of bearing block 1
Determine groove 5, be provided with guide plate 3 in fixing groove 5, anti-drilling bottom baffle 2 is arc, before the bottom of its lower end and bearing block 1
End is connected, and the bottom of the middle part of the arc direction of advance to advanced hydraulic support 4 is protruded.
Guide plate 3 includes the first fixed plate 301 and the cutting part 302 being connected to the first fixed plate 301 bottom, in fixing groove
The both sides of 5 length direction are respectively arranged with the second fixed plate 101, are provided with pin hole 102 in the second fixed plate 101,
Fixing hole 303 is provided with the first fixed plate 301, fixing hole 303 and pin hole 102 pass through latch will be solid for the first fixed plate 301
It is scheduled in the second fixed plate 101；Cutting part 302 is cutter, and the knife back is connected with the bottom of the first fixed plate 301, the rear end of cutter
The front end of bottom and the knife back be connected to form the blade of arc, mainly for incipient stage guide plate 3 can be pressed onto roadway floor with
Under, play guide effect.
Roadway floor is Loose floor, allows that uniaxial compressive strength is 7.50～10.50MPa, described fixing hole 303 and institute
Stating the distance between lowermost end of cutting part 302 is H+220mm, and H is advance timbering base thickness, and unit is mm.The bottom of in view of
Demand relation between the resistance of plate cutting and the lateral pressure that provided of steering, through many experiments, for base plate class
In the case of type is Loose floor, H+220mm is most suitable size, and other sizes cannot be realized.
Length on the anterior-posterior horizontal direction of anti-drilling bottom baffle 2 is 400mm, and the height in upper and lower vertical direction is 500mm.
It is below preferred version：
The upper and lower of the rear end of bearing block 1 is connected to upper mounted plate 6 and bottom plate 7, advanced hydraulic support 4
The front end of base be fixed between upper mounted plate 6 and bottom plate 7 using fixing band 8, the length of upper mounted plate 6 is 400mm,
Thickness is 8mm.
The cross section of described first fixed plate 301 on top 2/3rds be shaped as rectangle, the institute of bottom 1/3rd
State the first fixed plate 301 cross section be shaped as trapezoidal, the length of the front end of described first fixed plate 301 is less than the length of rear end
Degree.This is mainly designed to reduce resistance during passage in advanced hydraulic support 4.
The anterior-posterior length of bearing block 1 is 430mm, and width is 450mm, the highly height with the base of advanced hydraulic support 4
Unanimously, the anterior-posterior length of fixing groove 5 is 300mm, and width is 15mm, is 40mm with the distance between the front end of bearing block 1, load-bearing
The distance between rear end of block 1 is 90mm；Ensure that during advanced hydraulic support 4 moves frame, have on the right side of bearing block 1 fully
Stress area it is ensured that the practicality of the reliability of bearing block 1 and device；Bearing block 1 is hinged with upper mounted plate 6, with lower fixation
Plate 7 is welded and fixed；Fixing band 8 is the long iron block of steel wire piece or molding.
The anterior-posterior length of guide plate 3 is 290mm, and width the widest part is 13mm, and the narrowest place is 3～4mm, too thin easily breaks
Split, too thick resistance is too big, DeGrain；Ensure that guide plate 3 can smoothly easily be inserted in fixing groove 5, and the gap of 2mm
Ensure that guide plate 3 will not be in loading process, because gap deviate from rectilinear movement state；It is highly 600mm；Fixing hole 303
The distance of the front end of centre distance the first fixed plate 301 be 150mm, the distance of rear end is 140mm, the diameter of fixing hole 303
For 25mm；A diameter of 12mm of pin hole 102, a diameter of 10mm of latch is it is ensured that latch can smoothly be inserted into pin hole 102 He
In fixing hole 303, and the diameter of 10mm ensure that the strength demand of latch.
The Assurance of Size of present invention latch can pass through hole, and during moving frame, guide plate 3 can be in the effect of resistance
Under side shifting backward, guide plate 3 can do a small size rotation counterclockwise with the contact point of right side and fixing groove 5 end as the center of circle
Turn, probably bring the rotation of hole 8mm, therefore, a diameter of 25mm of fixing hole 303 ensure that guide plate 3 bottom and fixing groove
During 303 right contact, latch and hole surrounding all have at least space of 2mm, and latch will not be subject to fixing hole 303 larger tangential
Power, and the diameter of 10mm also ensure that hole to latch shearing stress upwards to latch intensity considerable influence it is ensured that the section of device
Learn reliable.
Anti-drilling bottom baffle 2 is exactly mainly curved plane shuttering panels, and Main Function is to elapse in advanced hydraulic support 4
During, using itself shaped form design it is ensured that whole device and advanced hydraulic support 4 base all receive one upwards point
Power, it is to avoid before a lot of under weak base plate, the situation boring bottom during advanced hydraulic support 4 passage occurs, and enters one simultaneously
Step has been evaded because boring the sideslip of tail band, the generation of the dangerous situation such as rollover, and guide plate 3 itself more can guarantee that device and advanced
Hydraulic support 4 is walked on one accurately programme path, safe and reliable, practical.
All sizes of the present invention are preferred version, and the effect brought more preferably, but is not required.
The using method of the device preventing bracket base sideslip of the present invention, comprises the steps：
(A) before needing to move frame, it is directed to plate 3, bearing block 1 and anti-drilling bottom baffle 2 transport by advanced hydraulic support 4
Side, excavates slightly the ditch of a deep 20mm in advanced hydraulic support 4 pan frontward end, by the bottom plate 7 of bearing block 1 along advanced
Be gradually inserted below the base of hydraulic support 4, insert at least 500mm, when resistance is larger push away to enter when, stop manual work,
Personnel, away from support, move frame by advanced hydraulic support 4, progressively make bearing block 1 reach the front end of advanced hydraulic support 4 base；
Stop moving frame, all around beat bearing block 1 with iron hammer so as in front and back with align so as to parallel with base in front and back about base
Adjacent；
(B) upper mounted plate 6 is rotated to above bearing block 1, by fixing band 8, upper mounted plate 6 is connected with bottom plate 7
And be tightened；
(C) put into guide plate 3, the edge of a knife direction of the bottom of guide plate 3, in front of moving direction, is directed to plate 3 with iron hammer
Pound the corresponding position of fixing hole 303, insert latch, Fixed latches, connect with guide plate 3 in fixing groove 5 rear side and the left and right sides
Tactile place, fills in a small amount of burlap or Corchorus olitorius L., reduces the hard contact between iron block, reduces the space of 2mm to leading as far as possible
The steering error causing to plate 3；
(D) when needing steering or adjustment direction, stop moving frame, manually beat pressure block 1 side with iron hammer, make pressure-bearing
Block 1 forms little crack with the pan frontward end of advanced hydraulic support 4, fills in an appropriate number of trumpet standard iron block 9, using one piece
The anglec of rotation of small size standard iron block 9 is 2 °, lays particular number as needed；When quantity is more than 3 pieces, using large size standard
Iron block 10, the angle of formation is 6 °.
As shown in Figure 4 and Figure 5, the length and width of small size standard iron block 9 and high respectively 150mm, 15mm and 150mm, large size mark
Quasi- iron block 10 is trapezoidal, and length is 300mm, a width of 31mm of upper end, a width of 47mm of lower end, a height of 150mm.Large size standard ferrum
Block 10 has certain deformation, to meet the demand of wedge shape space.
Embodiment described above is only that the preferred embodiment of the present invention is described, the not model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, the technical side to the present invention for the those of ordinary skill in the art
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (7)
1. a kind of prevent bracket base break away device it is characterised in that：Including bearing block (1), anti-drilling bottom baffle (2) and guiding
Plate (3), described bearing block (1) is connected with the front end of the base of advanced hydraulic support (4), arranges in the middle part of described bearing block (1)
There is the fixing groove (5) of up/down perforation, be provided with described guide plate (3), described anti-drilling bottom baffle (2) in described fixing groove (5)
For arc, its lower end is connected with the front end of the bottom of described bearing block (1), and the middle part of described arc is to described advanced hydraulic pressure
The bottom of the direction of advance of support (4) is protruded；
Described guide plate (3) includes the first fixed plate (301) and the cutting part being connected to described first fixed plate (301) bottom
(302), the both sides in the length direction of described fixing groove (5) are respectively arranged with the second fixed plate (101), fixing described second
Pin hole (102) is provided with plate (101), fixing hole (303) is provided with described first fixed plate (301), wherein said
Described first fixed plate (301) is fixed on described second fixed plate by latch by fixing hole (303) and described pin hole (102)
(101) on；Described cutting part (302) is cutter, and the knife back is connected with the bottom of described first fixed plate (301), described cutter
The front end of the bottom of rear end and the described knife back is connected to form the blade of arc；
Roadway floor be Loose floor, allow that uniaxial compressive strength is 7.50～10.50MPa, described fixing hole (303) with described
The distance between lowermost end of cutting part (302) is H+220mm, and H is advance timbering base thickness, and unit is mm；
Length on the anterior-posterior horizontal direction of described anti-drilling bottom baffle (2) is 400mm, and the height in upper and lower vertical direction is
500mm.
2. according to claim 1 prevent bracket base break away device it is characterised in that：After described bearing block (1)
The upper and lower at end is connected to upper mounted plate (6) and bottom plate (7), the base of described advanced hydraulic support (4)
Front end is fixed between fixed plate (6) and described bottom plate (7) using fixing band (8), fixed plate (6)
Length is 400mm, and thickness is 8mm.
3. according to claim 2 prevent bracket base break away device it is characterised in that：Top 2/3rds described
The cross section of the first fixed plate (301) be shaped as rectangle, the cross section of described first fixed plate (301) of bottom 1/3rd
Be shaped as trapezoidal, the length of the front end of described first fixed plate (301) is less than the length of rear end.
4. according to claim 3 prevent bracket base break away device it is characterised in that：Before described bearing block (1)
Length is 430mm afterwards, width and height and the width of the base of described advanced hydraulic support (4) and highly consistent, described fixation
The anterior-posterior length of groove (5) is 300mm, and width is 15mm, is 40mm with the distance between the front end of described bearing block (1), described
The distance between rear end of bearing block (1) is 90mm；Described bearing block (1) is hinged with fixed plate (6), lower solid with described
Fixed board (7) is welded and fixed；Described fixing band (8) is the long iron block of steel wire piece or molding.
5. according to claim 4 prevent bracket base break away device it is characterised in that：Before described guide plate (3)
Length is 290mm afterwards, and width the widest part is 13mm, and the narrowest place is 3～4mm, highly for 600mm；In described fixing hole (303)
The distance of the front end apart from described first fixed plate (301) for the heart is 150mm, and the distance of rear end is 140mm, described fixing hole
(303) a diameter of 25mm；A diameter of 12mm of described pin hole (102), a diameter of 10mm of described latch.
6. described in claim 5 prevent bracket base break away device using method it is characterised in that：Walk including following
Suddenly：
(A) before needing to move frame, it is directed to plate (3), bearing block (1) and anti-drilling bottom baffle (2) transport advanced hydraulic support (4)
Side, excavates slightly the ditch of a deep 20mm in advanced hydraulic support (4) pan frontward end, by the bottom plate of bearing block (1)
(7) be gradually inserted along below the base of advanced hydraulic support (4), insert at least 500mm, when resistance is larger push away to enter when, stop
Only manual work, personnel, away from support, move frame by advanced hydraulic support (4), progressively make bearing block (1) reach advanced hydraulic pressure and prop up
The front end of frame (4) base；Stop moving frame, all around beat bearing block (1) so as to align with about base in front and back with iron hammer,
Make it parallel with base adjacent in front and back；
(B) upper mounted plate (6) is rotated to above bearing block (1), by fixing band (8) by upper mounted plate (6) and bottom plate
(7) connect and be tightened；
(C) put into guide plate (3), the edge of a knife direction of the bottom of guide plate (3), in front of moving direction, is directed to plate with iron hammer
(3) pound the corresponding position of fixing hole (303), insert latch, Fixed latches, on rear side of fixing groove (5) and the left and right sides with lead
The place contacting to plate (3), fills in a small amount of burlap or Corchorus olitorius L., reduces the hard contact between iron block, reduces 2mm's as far as possible
The steering error that space is caused to guide plate (3)；
(D) when needing steering or adjustment direction, stop moving frame, manually beat pressure block (1) side with iron hammer, make pressure block
(1) form little crack with the pan frontward end of advanced hydraulic support (4), fill in an appropriate number of trumpet standard iron block (9), adopt
The anglec of rotation of one piece of small size standard iron block (9) is 2 °, lays particular number as needed；When quantity is more than 3 pieces, using big
Number standard iron block (10), the angle of formation is 6 °.
7. according to claim 6 prevent bracket base break away device using method it is characterised in that：Described trumpet
The length and width of standard iron block (9) and high respectively 150mm, 15mm and 150mm, described large size standard iron block (10) is trapezoidal, length
For 300mm, a width of 31mm of upper end, a width of 47mm of lower end, a height of 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788016.2A CN106401630A (en) | 2016-08-30 | 2016-08-30 | Device for preventing side slipping of support base and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788016.2A CN106401630A (en) | 2016-08-30 | 2016-08-30 | Device for preventing side slipping of support base and using method |
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| Publication Number | Publication Date |
|---|---|
| CN106401630A true CN106401630A (en) | 2017-02-15 |
Family
ID=58001079
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610788016.2A Pending CN106401630A (en) | 2016-08-30 | 2016-08-30 | Device for preventing side slipping of support base and using method |
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| Country | Link |
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| CN (1) | CN106401630A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476816A (en) * | 2017-09-30 | 2017-12-15 | 徐州众工精密模锻有限公司 | One kind can lateral deviation hydraulic support |
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| CN203757190U (en) * | 2014-01-28 | 2014-08-06 | 北汽福田汽车股份有限公司 | Tube bundle support and vehicular tube bundle positioning structure |
| CN105065049A (en) * | 2015-08-26 | 2015-11-18 | 冀中能源股份有限公司邢东矿 | Hydraulic support for high-water cut and fill mining |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107476816A (en) * | 2017-09-30 | 2017-12-15 | 徐州众工精密模锻有限公司 | One kind can lateral deviation hydraulic support |
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