CN87106278A - Recovery device with the hydraulic shield support guiding - Google Patents
Recovery device with the hydraulic shield support guiding Download PDFInfo
- Publication number
- CN87106278A CN87106278A CN87106278.XA CN87106278A CN87106278A CN 87106278 A CN87106278 A CN 87106278A CN 87106278 A CN87106278 A CN 87106278A CN 87106278 A CN87106278 A CN 87106278A
- Authority
- CN
- China
- Prior art keywords
- sliding carriage
- recovery device
- junction plate
- back production
- sprocket wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 28
- 239000003245 coal Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000008676 import Effects 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
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
- E21D23/0004—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
- E21D23/0034—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 comprising a goaf shield articulated to a base member
- E21D23/0039—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 comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/56—Slitting by cutter cables or cutter chains or by tools drawn along the working face by cables or the like, in each case guided parallel to the face, e.g. by a conveyor or by a guide parallel to a conveyor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Sawing (AREA)
- Knives (AREA)
- Earth Drilling (AREA)
Abstract
By the recovery device of hydraulic shield support guiding, have pillar 1, base 2, back timber 3, caving shield 4 and the connecting rod 5 of hydraulic pressure adjustment height.On bottom bracket 6, bottom bracket 6 comprises whole base 2 to connecting rod 5 at Cai Ding district side bearing, and, move forward along direction of extraction with respect to base 2.The back production wall 7 that two parts can vertically be dispatched at bottom bracket 6 upper supports, fixing the upper and lower reversion section of two-tube guiding device on it.Along two guide pipe revolutions, sliding carriage 10 to 17 is inserted in the leaf chain 18 that detours the sliding carriage 10 to 17 of recovery device between top board and base plate.
Description
The present invention relates to a kind of recovery device by the hydraulic shield support guiding, it is fixed on back production cutter on the sliding carriage on hydraulic shield support side by side, top board and base plate revolution along the coal wall, sliding carriage is dragged by the leaf chain that passes through the drive sprocket commutation in the stope termination, and by the pipe guiding, and guide pipe is fixed on the back production wall of height-adjustable support by means of upper and lower reversion section.
A kind of be used for mine coal by the recovery device of hydraulic shield support guiding by known (DE-PS2743625, RAG's magazine 7/81), its back production cutter that is fixed on the sliding carriage is dragged by the leaf chain of annular.Sliding carriage slides on a guide pipe of the tubular guide of two reversion sections by the claw of hook-type, and tubular guide is fixed on the stope of height-adjustable hydraulic support by top, base plate.When back production, stope is pushed rib to by moving the frame jack, so that sliding carriage passes to cutting force through driven leaf chain and is close to the back production cutter that rib is turning round, and is moving the pushing under the pressure of frame jack, and the back production cutter is adopted coal and fallen from rib.Be provided with the cantilever of different extension elongations for the back production cutter on complete thick this sliding carriage in cut coal seam under the different cutting heights, pick just is fixed on this cantilever, cutting force is delivered on the back production cutter by leaf chain, and generation reaction force, this very big moment will affact recovery device by on the supporting member of support one side, and making this moment loading on the parts of the exploitation work plane side of tubular guide and support, sliding carriage directly is supported on these parts all the time.The moment that works will produce friction and cause wearing and tearing, thereby the effective cutting force that causes being used for stoping operation reduces.In addition, Pian Xin tractive force is difficult to act on the sliding carriage through the outside plate of leaf chain.Because sliding carriage just slides on the guiding pipe by a claw, and gently be supported on the exploitation work plane, thereby there is a kind of like this danger:, thereby in the guiding pipe, extrude because of sliding carriage is not to be set in parallel on the exploitation work plane to derail mutually.Especially come off out when being subjected to dragging of leaf chain to pass through sprocket wheel will having the danger of slippage, slide block to break away from the guiding pipe near the drive unit place at this place.
The present invention is to address this problem: improve the guiding of recovery device on the shielding hydraulic support, more effectively driving force is delivered on the back production cutter.
This task is solved by following mode:
A) to have the fixing cross section of two lateral distance usually be the slide block of T shape to sliding carriage, and slide block is fixed on the junction plate;
B) junction plate directly is assemblied in the leaf chain:
C) slide block is between upper and lower two pipes of two-tube guiding device, and semicircular anchor clamps is housed, the knife rest of the adjustable angle of vertically packing into therebetween in back production rib side.
The sliding carriage of recovery device can directly be included in the leaf chain transmission system by the present invention, and can fewly reposefully frictionally import the guiding pipe.Sliding carriage is a joint of leaf chain together with its junction plate.The structural shape of the sliding carriage of this compactness has reduced the reaction force that will bear in the back production.T shape slide block is along sliding in the two-way guiding pipe of entire working surface length setting, and two-tube guiding is a kind of 2 continuous firm supporting constructions, thereby can get rid of safely in the turning point sliding carriage is fractureed.
A preferred structure of the present invention is that both sides respectively have the leaf chain of interior junction plate to be meshed with the fork-shaped recess of each junction plate of sliding carriage.
Another architectural feature of the present invention is:
A) junction plate is equipped with vertical guide plate, by it the sliding carriage that slides on the sprocket wheel is led vertically in turning slot;
B) junction plate has arc surface except guide plate, and the swinging guiding device by arc surface and rectangular section radially leads to the sliding carriage on the sprocket wheel.
A preferred structure more of the present invention is that the swinging guiding device is by being connected with the housing of chain sprocket driving device, and restricted along the circumferencial direction of sprocket wheel, the two halves that can rotate are mutually formed.
Sliding carriage when the sprocket wheel, according to the Rational structure of the invention described above, is two an aspects guiding vertically and radially at the drive unit end: promptly avoid sliding carriage landing from the sprocket wheel reliably.The swinging guiding of this two aspects can make leaf chain import the angle with different tangent lines and enter.After height-adjustable support stope is determined, tangentially imports the angle and just draw by different working seam thickness differences.The present invention at first has this advantage, even the back production cutter also is in engagement when the pile warp sprocket wheel, thereby the back production cutter can freely be cut rib in the cut scope.Therefore, drive unit can be installed in stope
Stone filling side, and the artificial start of the driving nest that needn't always walk abreast.
With embodiment the present invention is described with reference to the accompanying drawings.
Fig. 1 is a shield and by the recovery device lateral view of its guiding.
Fig. 2 is the elevation of back production drive unit and the sliding carriage that touches sprocket wheel.
Fig. 3 is the sectional view of drive unit along Fig. 2 section line.
Fig. 4 is the drive unit lateral view, the knife rest that do not draw among figure revolution junction plate part.
In stope, vertical along work plane, install hydraulic shield support with uniform spacing, being directed to of support by back production rib side recovery device.The height of hydraulic shield support can be heightened pillar 1 by hydraulic pressure and be bearing on the base 2, and pillar 1 is supporting back timber 3.Tilting cover frame 4 is hinged with back timber 3, and the lower end of caving shield 4 and connecting rod 5 are hinged.Connecting rod 5 again hinged support on bottom bracket 6.Bottom bracket 6 comprises the base of column 1 and a horizontal setting, and do not draw in the drawings move the frame jack, this jack can move along direction of extraction.
Install and supporting back production wall 7 by the rib side on bottom bracket 6, back production wall 7 is made up of two parts and can be regulated its height.Back production wall 7 usefulness thrust jack 8 by the top board side are hinged with back timber 3.
Be noted that below recovery device is furnished with two-tube guiding device 9, its down reversion section be fixed on the fixed part of back production wall 7, and go up the reversion section, be fixed on the telescopic part of back production wall 7.The shield that is installed in the stope links to each other with back production wall 7.
What belong to recovery device also has by the set sliding carriage 10 to 17 of distance given in advance, and they are connected to each other by the leaf chain 18 that is turning round between top board and base plate, and vertically slides in two-tube guiding device 9 along the exploitation work plane.Leaf chain 18 leads and commutation by drive sprocket 19 in the stope termination.
The appearance of each sliding carriage has certain arc surface 11 and is used for the fork-shaped recess 12 of pile warp sprocket wheel 19, and the microscler junction plate 10 of vertical guide plate 13.Usually have the slide block 14 of two T sections to be fixed at a certain distance on the junction plate 10 of sliding carriage 10 to 17 mutually, following shape slide plate 14 has the vertical anchor clamps 15 of semicircular in shape by back production rib side.Perpendicular to the direction of sliding carriage 10 to 17, the knife rest 16 of an adjustable angle is installed between these two anchor clamps 15, cutter 17 is as the instrument of coal breakage.
Usually in the both sides and 12 engagements of fork-shaped recess of interior fishplate bar 10, sliding carriage 10 to 17 just becomes a chain link of leaf chain 18 to leaf chain 18 like this.T shape slide block 14 its cross sections are the crescent moon spill, and its longitudinal section is inside convex, and it slides in the two-tube guiding device of vertically settling along whole stope 9 by sliding carriage 10 to 17.
The drive unit of having represented face end in Fig. 2 to 4, wherein the housing of drive unit represents that with 20 sprocket wheel is represented with 19.Sliding carriage 10 to 17 directly extends on the two-tube guiding device 9 of sprocket wheel 19.Fork-shaped recess 12 by its junction plate 10 slides on the tooth of the sprocket wheel of not expressing 19, and does 180 ° of revolutions.By its vertical guide plate 13 and turning slot 21 engagements, junction plate 10 is directed in groove 21 vertically at sprocket wheel 19 upper junction plates 10.Sliding carriage 10 to 17 by the arc surface 11 of junction plate 10 in can revolution guiding device in two by radially-directed, the cross section of revolution guiding device is a right angle type, and in the total revolution range of sliding carriage 10 to 17 round sprocket wheel 19 except that two of two-tube guiding device 9 up and down the reversion section.Revolution guiding device 22 that can be in two, can communicate with drive unit housing 20 with along the circumferential direction relatively rotating, so that guarantee to make when difference imports the angle of contingence leaf chain 18 to import, this importing angle of contingence is drawn by stretching out highly of back production wall 7 when different coal thickness.The revolution guiding device has the outer rim 23 that bends to U-shaped, when 19 revolutions of sliding carriage 10 to 17 pile warp sprocket wheels, the junction plate 10 of band guide plate 13 and 23 engagements of U-shaped outer rim.
Claims (4)
1, the recovery device that leads by hydraulic shield support, it is fixed on back production cutter on the sliding carriage on hydraulic shield support side by side, top board and base plate revolution along the coal wall, sliding carriage is dragged by the leaf chain that passes through the drive sprocket commutation in the stope termination, and lead by pipe, and guide pipe is fixed on by means of upper and lower reversion section on the back production wall of height-adjustable support, it is characterized in that:
A) it is fixing that sliding carriage (10 to 17) has two lateral distance usually, and the cross section is the slide block (14) of T shape, and slide block (14) is fixed on the junction plate (10);
B) junction plate (10) directly is assemblied in the leaf chain (18);
C) slide block (14) is between two pipes up and down of two-tube guiding device (9), and semicircular anchor clamps (15) is housed, the knife rest (16) of the adjustable angle of vertically packing into therebetween at back production coal sidewall.
2, recovery device according to claim 1 is characterized in that, both sides respectively have the leaf chain (18) of interior junction plate to be meshed with the fork-shaped recess (12) of each junction plate (10) of sliding carriage (10 to 17).
3, recovery device according to claim 1 and 2 is characterized in that:
A) junction plate (10) is equipped with vertical guide plate (13), by it the sliding carriage (10 to 17) that slides on the sprocket wheel (19) is led vertically in turning slot (21).
B) junction plate (10) has arc surface (11) except guide plate (13), by means of the swinging guiding device (22) of arc surface (11) and rectangular section, radially the sliding carriage on the sprocket wheel (19) (10 to 17) is led.
4, according to arbitrary described recovery device in the claim 1 to 3, it is characterized in that: back production formula guiding device (22) is by being connected with the housing (20) of chain sprocket driving device, circumferencial direction along sprocket wheel (19) is restricted, and the two halves that can rotate are mutually formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3631266.5 | 1986-09-13 | ||
| DE19863631266 DE3631266A1 (en) | 1986-09-13 | 1986-09-13 | Winning apparatus guided on hydraulic self-advancing support assemblies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87106278A true CN87106278A (en) | 1988-05-04 |
| CN1008288B CN1008288B (en) | 1990-06-06 |
Family
ID=6309568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87106278 Expired CN1008288B (en) | 1986-09-13 | 1987-09-12 | Removing apparatus of guiding with protective hydraulic props |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN1008288B (en) |
| DE (1) | DE3631266A1 (en) |
| FR (1) | FR2603943A1 (en) |
| PL (1) | PL155319B1 (en) |
| SU (1) | SU1538905A3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541751A (en) * | 2013-11-05 | 2014-01-29 | 北京诚田恒业煤矿设备有限公司 | Multifunctional coal mining hydraulic protection arm rake-mounting support device |
| CN103541751B (en) * | 2013-11-05 | 2016-11-30 | 北京诚田恒业煤矿设备有限公司 | A kind of multi-functional coal mining hydraulic protective arm rake dress holder device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU693027A1 (en) * | 1976-10-12 | 1979-10-25 | Государственный проектно-конструкторский и экспериментальный институт угольного машиностроения "Гипроуглемаш" | Front-end roof support units |
| AU518823B2 (en) * | 1977-11-11 | 1981-10-22 | Coal Industry (Patents) Limited | Mineral cutting chain guide and drive |
| DE3511275C1 (en) * | 1985-03-28 | 1986-06-19 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Hydraulic self-advancing support assembly |
-
1986
- 1986-09-13 DE DE19863631266 patent/DE3631266A1/en active Granted
-
1987
- 1987-09-11 FR FR8712589A patent/FR2603943A1/en not_active Withdrawn
- 1987-09-11 SU SU874203310A patent/SU1538905A3/en active
- 1987-09-11 PL PL26770787A patent/PL155319B1/en unknown
- 1987-09-12 CN CN 87106278 patent/CN1008288B/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541751A (en) * | 2013-11-05 | 2014-01-29 | 北京诚田恒业煤矿设备有限公司 | Multifunctional coal mining hydraulic protection arm rake-mounting support device |
| CN103541751B (en) * | 2013-11-05 | 2016-11-30 | 北京诚田恒业煤矿设备有限公司 | A kind of multi-functional coal mining hydraulic protective arm rake dress holder device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2603943A1 (en) | 1988-03-18 |
| PL267707A1 (en) | 1988-08-04 |
| CN1008288B (en) | 1990-06-06 |
| DE3631266A1 (en) | 1988-03-24 |
| DE3631266C2 (en) | 1988-07-21 |
| PL155319B1 (en) | 1991-11-29 |
| SU1538905A3 (en) | 1990-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| C14 | Grant of patent or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: HERIRUM JEANT MACHINE MANUFACTURING CO., LTD. TO: DBT(GERMANY) MINING TECHNOLOGY CO., LTD. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee |