CN201180555Y - Light hydraulic support - Google Patents
Light hydraulic support Download PDFInfo
- Publication number
- CN201180555Y CN201180555Y CNU2008200006493U CN200820000649U CN201180555Y CN 201180555 Y CN201180555 Y CN 201180555Y CN U2008200006493 U CNU2008200006493 U CN U2008200006493U CN 200820000649 U CN200820000649 U CN 200820000649U CN 201180555 Y CN201180555 Y CN 201180555Y
- Authority
- CN
- China
- Prior art keywords
- back timber
- hydraulic support
- light hydraulic
- sliding part
- support
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a light hydraulic support for a working surface for coal mining under a mine, comprising an integral top beam 1, a front forepoling arm 5, an oil cylinder 7, a dirt blocking device or a top coal device, sliding parts 13 and 23 which slide in guide rails on one side of the top beam and a support moving cylinder 12 hinged with the sliding parts. The light hydraulic support is characterized in that at least one linking mechanism consisting of a moving part 26 capable of moving left and right, the sliding parts 13 and 23 which can slide back and forth along the guide rails, and a connecting component which has one end connected with the moving part 26 and the other end connected with the sliding parts 13 and 23 is arranged between two adjacent top beams. The linking mechanism obtains more room for support adjustment for convenient adjustment of the space of the support. The light hydraulic support is particularly suitable for supporting an uneven top slab, the amplitude of post lifting can be reduced and the time for moving support can be saved when evener working surfaces of the top slab are used.
Description
Technical field
The utility model relates to a kind of light hydraulic support that is used for coal-face supporting roof under the coal mine.
Background technology
Hydraulic support divides fully mechanized mining supporter and slippage bracket two big classes, and the utility model is to be used for marginal a kind of hydraulic support.The applicant had once designed a kind of chain suspension type hydraulic support (Chinese patent application ZL200520019152.2) for the shortcoming that overcomes above-mentioned two big class supports, the hinged frame cylinder that moves of its back timber one side, move the frame cylinder and promote sliding part in the slip of back timber side, sliding part links to each other with the flexible piece that links to each other with adjacent frame.Pillar is let out to carry and back timber is dropped to fully held by flexible piece when moving frame, stretches or contracts and move the frame cylinder and drive sliding part and slide, thereby make the back timber reach, and setting prop props up tightly more afterwards.When top board not at ordinary times, need select flexible piece longlyer, at this moment support moves frame and transfers frame all very convenient, this illustrates that this cover mechanism is to ceiling compliance is not stronger, but when top board more often wishes that flexible piece shortens, if at this moment two gaps increase to the upper limit that flexible piece allows flexible piece near level, so increased the difficulty of transferring frame, also increased the time of accent frame.If also with long flexible piece, the distance that needs in the time of back timber being fallen to held fully by flexible piece is just big under ceiling, promptly the post leg distance that need improve is just big, and this has just influenced the advancing velocity of entire working surface.
The utility model content
The purpose of this utility model provides and a kind ofly can guarantee to strengthen the adaptive capacity of flexible piece to the frame spacing under the less prerequisite of putting forward the leg amount of pillar, and is laborsaving, move the hydraulic support of frame and adjusting bracket spacing quickly.In order to address the above problem, a kind of light hydraulic support of the utility model comprises back timber, hydraulic prop, preceding beam and preceding beam oil cylinder, retaining cash device or caving device for coal, the sliding part that on the guide rail of back timber one side, slides, with sliding part hinged move the frame cylinder, but it is characterized in that between two adjacent back timbers, being provided with at least the moving member of a place by move left and right, can be connected the connection mechanism that the connector that the other end is connected with sliding part is formed along the sliding part of slip before and after the guide rail with moving member with an end.
A kind of light hydraulic support as previously described, described connector be with chain or (with) wire rope or (with) the elongated flexible piece made of several end to end short connecting rods.
A kind of light hydraulic support as previously described, described connector are that an end is connected with moving member, the connecting rod of the rigidity that the other end is connected with sliding part.
A kind of light hydraulic support as previously described, described moving member are that an end and back timber are hinged, the vertical pendulum linkage that the other end can swing and be connected with connector.
A kind of light hydraulic support as previously described, described moving member are the slide blocks that can horizontally slip along the guide rail on the back timber.
A kind of light hydraulic support as previously described, a side of described sliding part and the other end and back timber are hinged, and to move the frame cylinder hinged, and the opposite side of sliding part is connected with force transmission element on being connected adjacent frame back timber.
A kind of light hydraulic support as previously described, described moving member can use separately also and can link to each other with horizontal accent frame cylinder.
A kind of light hydraulic support as previously described, described connection mechanism only are located at an end of back timber, and the other end connects adjacent back timber by the joist that traverses in some back timber belows as connection mechanism.
A kind of light hydraulic support as previously described, described connection mechanism only are located at an end of back timber, and the other end connects adjacent back timber with flexible four bar slide block mechanisms.
A kind of light hydraulic support as previously described, described connection mechanism only are located at an end of back timber, and the other end connects adjacent back timber with perpendicular guide rail slide block mechanism.
After adopting such structure, can guarantee to strengthen the adaptive capacity that connector changes the frame spacing under the less prerequisite of putting forward the leg amount of pillar, can laterally transfer the flexible of frame cylinder by control, moving member is moved, thereby regulate holder orientation flexibly and comfortably, simultaneously direct adjusting bracket spacing also.Owing to laterally transfer the frame cylinder to be close to below the back timber, be installed in two seams between the back timber and move the frame cylinder, so be difficult for crumbling when blowing out, adopt so can be used for big gun.All used the structure that connects to all movable flexible pieces such as chain freely of all directions between each back timber of a kind of light hydraulic support of the utility model, so not only transfer frame laborsaving, and the up and down scope of any one back timber is all bigger, therefore is best suited for the not supporting of ceiling.
Simultaneously, because the support of entire working surface is connected as a single entity by connectors such as chains, so can prevent down frame effectively.Since back timber can do broad so can not tie up the top net during caving coal, reduced cost of ton coal.And owing to all pillars of support can move forward synchronously, so integral bottom girder can be installed and move the slide cylinder, so it is fast to move frame.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
Fig. 1 is the front view of first kind of embodiment of a kind of light hydraulic support of the utility model.
Fig. 2 is the vertical view of first kind of embodiment of a kind of light hydraulic support of the utility model under user mode.
Fig. 3 enlarged drawing that to be first kind of embodiment medium chain of a kind of light hydraulic support of the utility model be connected with slide block with moving member and chain.
The enlarged drawing that but the moving member of this move left and right is connected with adjacent frame sliding part in Fig. 4 second kind of embodiment of a kind of light hydraulic support that be the utility model.
Fig. 5 is the vertical view when two propulsion cylinder cribbings are used with no propulsion cylinder cribbing in the third embodiment of a kind of light hydraulic support of the utility model.
Fig. 6 is the front view of the 4th kind of embodiment of a kind of light hydraulic support of the utility model.
Fig. 7 is the sectional view at flexible four bar slide block mechanism places in the 5th kind of embodiment of a kind of light hydraulic support of the utility model.
Fig. 8 is the sectional view at perpendicular guide rail slide block mechanism place in the 6th kind of embodiment of a kind of light hydraulic support of the utility model.
The specific embodiment
In conjunction with Fig. 1, Fig. 2 and Fig. 3, first kind of embodiment of a kind of light hydraulic support of the utility model comprises integral top beam 1; Can be along the sliding part 13 and the sliding part 23 of lower guideway on the back timber 1 22 and upper rail 24 slips; One end is hinged by pin 17 and moving member 26, the other end by pin 15 respectively with the back timber 1 of adjacent frame on sliding part 13 and two hinged chains 16 of sliding part 23; By the hinged moving member 26 of pin 30 and back timber 1; One end is hinged by pin 27 and moving member 26, and the other end is by the hinged tuning cylinder 29 of pin 31 and back timber 1; Hydraulic prop 8 from back timber 1 vertical below; Piston rod is hinged with back timber 1 rear end of support by pin 11, and an end of cylinder body is hinged by pin 18 and sliding part 23, the propulsion cylinder 12 that the other end of cylinder body is connected with sliding part 13; One end is hinged by pin 19 and sliding part 23, and the other end is by the back timber 1 front end hinged force transmission element 20 of pin 21 with adjacent frame support; By pin 10 and the hinged tail boom 9 in back timber 1 rear end; By the hinged preceding beam oil cylinder 7 in pin 14 and back timber 1 rear end with by the hinged preceding beam 5 of pin 6.
As shown in Figure 2, a kind of light hydraulic support is in the frame state that moves, and this moment, the 1st support and the 2nd support moved a step pitch, and the 3rd support to be ready moving forward.At first the pillar 8 below the 3rd the back timber 1 is carried post, back timber 1 descends, this moment back timber 1 the left side by being suspended on the 2nd the adjacent with it back timber 1 with hinged two chains 16 of sliding part 13 and sliding part 23, its right side is suspended on the 4th the back timber 1 adjacent with the right side by the chain 16 that two other is hinged on the moving member 26.At this moment; if want to make the 3rd support to turn to or the adjusting bracket spacing; can stretch out the piston rod of forward and backward tuning cylinder 29 as required; promoting moving member 26 rotates around pin 30; when stretching out scope near the maximum of tuning cylinder 29; location structure 32 on the moving member 26 can be run into back timber 1 location, with protection tuning cylinder 29.The piston rod of the propulsion cylinder 12 in the 3rd support left side shrinks at this moment, spurs the back timber 1 of the 3rd support forward by the force transmission element 20 that is hinged on support 2 front ends; The piston rod of hinged propulsion cylinder 12 stretches out in the 3rd set cap 1 right side and the 4th back timber 1 rear end, promote sliding part 23, sliding part 23 is by promoting the back timber 1 of the 3rd support forward with the hinged force transmission element 20 of the back timber 1 of the 3rd support, and support 3 just can move forward a step like this.
In conjunction with Fig. 3, when the frame spacing increased, chain 16 can be drawn as the straight line near level, caused and transferred frame and back timber 1 to connect the top difficulty, and the piston rod of tuning cylinder 29 stretches out at this moment, and chain 16 will relax, and returns to normal operating condition.So can when moving frame, carry post less to accelerate advancing velocity.
In conjunction with Fig. 4, the move left and right of moving member horizontally slips on guide rail 3 by moving member 4 and realizes in second kind of embodiment, and connecting rod 2 has replaced the chain 16 in first kind of embodiment.Certainly also be fine with chain 16 here.
In conjunction with Fig. 5, the difference of the third embodiment and first kind of embodiment is that it is not that a propulsion cylinder 12 is all arranged on each back timber, but the 1st, 3, the 5...... frame has two propulsion cylinders, 2nd, 4, the 6...... frame does not have propulsion cylinder, to move earlier when moving frame do not have propulsion cylinder, after move 2 propulsion cylinders.Certainly the frame method of moving commonly used is to move the 2nd, 4 earlier in the down-hole, moves the 1st, 3 again, then moves the 6th, 8, moves the 5th, 7 then, and the rest may be inferred.
In conjunction with Fig. 6, as connection mechanism, the two ends of propulsion cylinder 35 are connected with back timber 1 with joist 33 with pin 36 by pin 34 respectively with joist 33 for back timber 1 rear end connection mechanism of the present utility model in the 4th kind of embodiment, front end.Advantage is not press closer plate and reach specified setting load when top board can not guarantee at ordinary times that top beam rear end props up.
In conjunction with Fig. 7, back timber 1 rear end connection mechanism of the present utility model in the 5th kind of embodiment, front end with the flexible four bar slide block mechanisms of using on the cantilever support (Chinese patent application number 88104291.9) as the connection mechanism between two back timbers, comprise connecting rod 37, wave hinge seat 38, front-slider 39, the advantage of using this connection mechanism is not press closer plate and reach specified setting load when top board can not guarantee at ordinary times that top beam rear end props up.
In conjunction with Fig. 8, back timber 1 rear end connection mechanism of the present utility model in the 6th kind of embodiment, front end as connection mechanism, comprises cross rail 3 with perpendicular guide rail slide block mechanism, moving member 4, pin 40, small rod 2, perpendicular guide rail 41 and perpendicular slide block 42.The 6th kind of embodiment and the 5th kind of embodiment are similar.
In addition, tuning cylinder 29 conversion one upper/lower positions, change the shape or the structure of moving member 26, or make the rod member combined type; Some devices commonly used on support of increase and decrease or conversion for example are transformed into the preceding beam of upset etc. to preceding beam 5; Can certainly directly couple together propulsion cylinder 12 and force transmission element 20; Also can be made in moving member 26 on the sliding part 13 and (or) on 23; Or changing position or the quantity etc. of moving member 26 on back timber 1, these simple conversion also fall among the protection of the present utility model.
Claims (10)
1. a kind of light hydraulic support that is used for coal-face under the coal mine, comprise integral top beam, hydraulic prop, preceding beam and preceding beam oil cylinder, retaining cash device or caving device for coal, the sliding part that on the guide rail of back timber one side, slides, with sliding part hinged move the frame cylinder, but it is characterized in that between two adjacent back timbers, being provided with at least the moving member of a place by move left and right, can be connected the connection mechanism that the connector that the other end is connected with sliding part is formed along the sliding part of slip before and after the guide rail with moving member with an end.
2. a kind of light hydraulic support as claimed in claim 1 is characterized in that connector is with chain or and wire rope or and the elongated flexible piece made of several end to end short connecting rod.
3. a kind of light hydraulic support as claimed in claim 1 is characterized in that connector is that an end is connected with moving member, the connecting rod of the rigidity that the other end is connected with sliding part.
4. a kind of light hydraulic support as claimed in claim 1 is characterized in that moving member is that an end and back timber are hinged, the vertical pendulum linkage that the other end can swing and be connected with connector.
5. a kind of light hydraulic support as claimed in claim 1 is characterized in that moving member is the slide block that can horizontally slip along the guide rail on the back timber.
6. a kind of light hydraulic support as claimed in claim 1 is characterized in that a side and the propulsion cylinder of sliding part is hinged, and the opposite side of sliding part is connected with force transmission element on being connected adjacent frame back timber.
7. a kind of light hydraulic support as claimed in claim 1 is characterized in that moving member links to each other with horizontal accent frame cylinder.
8. a kind of light hydraulic support as claimed in claim 1 is characterized in that connection mechanism only is located at an end of back timber, and the other end connects adjacent back timber by the joist of some back timber belows as connection mechanism.
9. a kind of light hydraulic support as claimed in claim 1 is characterized in that connection mechanism only is located at an end of back timber, and the other end connects adjacent back timber with flexible four bar slide block mechanisms.
10. a kind of light hydraulic support as claimed in claim 1 is characterized in that connection mechanism only is located at an end of back timber, and the other end connects adjacent back timber with perpendicular guide rail slide block mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200006493U CN201180555Y (en) | 2008-01-10 | 2008-01-10 | Light hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200006493U CN201180555Y (en) | 2008-01-10 | 2008-01-10 | Light hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201180555Y true CN201180555Y (en) | 2009-01-14 |
Family
ID=40250056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200006493U Expired - Fee Related CN201180555Y (en) | 2008-01-10 | 2008-01-10 | Light hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201180555Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089769A1 (en) * | 2008-01-10 | 2009-07-23 | Zeyu Li | A light-duty hydraulic bracket |
| CN102220869A (en) * | 2011-05-24 | 2011-10-19 | 中煤北京煤矿机械有限责任公司 | Integral pulled sliding chain box and hydraulic support |
| CN103174447A (en) * | 2011-12-20 | 2013-06-26 | 李薇薇 | Supports |
-
2008
- 2008-01-10 CN CNU2008200006493U patent/CN201180555Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089769A1 (en) * | 2008-01-10 | 2009-07-23 | Zeyu Li | A light-duty hydraulic bracket |
| CN101482025B (en) * | 2008-01-10 | 2012-09-05 | 李泽宇 | Light hydraulic support |
| CN102220869A (en) * | 2011-05-24 | 2011-10-19 | 中煤北京煤矿机械有限责任公司 | Integral pulled sliding chain box and hydraulic support |
| CN103174447A (en) * | 2011-12-20 | 2013-06-26 | 李薇薇 | Supports |
| CN103174447B (en) * | 2011-12-20 | 2016-06-15 | 李薇薇 | A kind of support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102168572B (en) | Waste filling supporting bracket | |
| CN1702300A (en) | Arrangement for quickly shifting sublevel caving hydraulic support series for fully-mechanized mining of three-soft coal bed | |
| CN201090230Y (en) | Fission top beam flexible support | |
| CN101519973B (en) | Hydraulic bracket with interconnected top and bottom | |
| CN101482025B (en) | Light hydraulic support | |
| CN201180555Y (en) | Light hydraulic support | |
| CN201810325U (en) | Solid filling end bracket | |
| CN101906984B (en) | Landing beam sliding hydraulic support system for coal mine | |
| CN101240710B (en) | Support moving device | |
| CN201982127U (en) | Multistage plug-in connecting rod type filling hydraulic support | |
| CN201606097U (en) | Waste rock filling supporting bracket | |
| CN201747392U (en) | Combined top beam slipping hydraulic support system used in coal mine | |
| CN2818779Y (en) | Hung-chain hydraulic stand | |
| CN102003198A (en) | Hydraulic support without tail beam | |
| CN201460945U (en) | Traction type slipping hydraulic bracket system | |
| CN100519990C (en) | Chain suspension type hydraulic support | |
| CN201003409Y (en) | Advancing slip type hydraulic support | |
| CN203008944U (en) | Comprehensive fore support for excavation head | |
| CN201202480Y (en) | Integral top beam | |
| CN201180554Y (en) | Hydraulic support | |
| CN1170052C (en) | Top protecting support | |
| CN210738598U (en) | Waste filling hydraulic support | |
| CN100432373C (en) | Connecting device between paratactic roof beams | |
| CN102444415B (en) | Tip bracket for solid filling | |
| CN201003410Y (en) | Support transferring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20130110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |