CN1844640A - Connecting device between paratactic roof beams - Google Patents
Connecting device between paratactic roof beams Download PDFInfo
- Publication number
- CN1844640A CN1844640A CN 200510063097 CN200510063097A CN1844640A CN 1844640 A CN1844640 A CN 1844640A CN 200510063097 CN200510063097 CN 200510063097 CN 200510063097 A CN200510063097 A CN 200510063097A CN 1844640 A CN1844640 A CN 1844640A
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- linkage
- back timber
- sliding part
- hinged
- oil cylinder
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Abstract
The invention relates to a connector between parallel supporting beams used in the parallel support hydraulic bracket. It comprises a connecting device (1) and a connecting device (2). Wherein, the connecting devices (1, 2) comprise the sliding elements (6, 10) sliding in the guide rail (13) along the supporting beam (4); one end is hinged on the supporting beam (3); another end is the swing hinge base (16) connected to the sliding element (10 or 6); one end is hinged on the supporting beam (3), while another end is a limiting chain (19), connecting rod (15) and a big spring (20) hinged to the sliding element (10 or 6); the connecting devices (1 and/or 2) also comprise one end hinged to the supporting beam (3), while another end is connected to the sliding element and has a short cylinder (5) between two parallel supporting beams and a limiting element for avoiding the short cylinder (5) left and right swinging in horizontal plane. Via controlling the short cylinder (5), it can save force when pushing bracket, and adjust the direction and distance of bracket quickly, to increase the bracket moving speed and increase coal yield.
Description
Technical field
The present invention relates to the linkage between a kind of two back timbers of back timber formula hydraulic support light-duty arranged side by side that are 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 back timber formula hydraulic support is incorporated into own forces in " the slippage bracket general technical specifications " of Chinese coal industry side by side.Prior art in this field has hydraulic prop for moving suspended top beam (Chinese patent application number 88104291.9); Triadius type hydraulic support (Chinese patent application number 96209441.2); Block form hydraulic prop for sliding mine caps (Chinese patent application number 91200747.8) etc.Above-mentioned these supports, all by hydraulic prop, preceding beam, propulsion cylinder, two back timbers arranged side by side and two groups of linkages etc. are partly formed.Linkage wherein all is made up of connecting rod slider mechanism or connecting rod guide-bar mechanism, distance between their two back timbers is all fixed, so uncontrollable direction in the process of pushing ahead, deflection all can take place in the direction of every propelling one segment distance support, therefore need regularly to stop production and transfer frame, influence output, and also dangerous when transferring frame.Because above-mentioned these supports all allow to be used for blast mining face, requirement must have the ability of stronger blast-proof, and this requirement makes the solution of the problems referred to above comparison difficulty that becomes.For example the hydraulic prop for moving suspended top beam of inventor's design has been sold 25,000 more than, uses 17 years, fails to solve preferably the frame problem of transferring always.The inventor had once designed another steering hydraulic support (Chinese patent application number 98101279.5) for this reason.Its form of structure is that two groups of linkages are arranged between two back timbers arranged side by side.Wherein the structure of the one group of linkage in front is identical with hydraulic prop for moving suspended top beam, also is the back timber spacing is fixed.Have the upright fork that can swing in next one group of linkage.The lower end and the left back timber of upright fork are hinged, and an end of upper end and connecting rod is hinged, and an other end of connecting rod is hinged with the slide block that can slide on right back timber.Can make upright fork swing certain distance to the left or to the right with manpower by lever like this, just can make the spacing of two top beam rear ends obtain adjusting, thereby can adjust the direction that back timber is pushed ahead, safety also takes a turn for the better to some extent when transferring frame, but because be to transfer direction by manpower, labour intensity is big, sometimes also transfer motionless, have to spur back timber, can take the production time so again, influence output with lifting gears such as chain slings.
Summary of the invention
The technical problem to be solved in the present invention provides a kind ofly can regulate direction laborsaving, quickly in progradation, and can be used for the hydraulic support of blast mining face.In order to address the above problem, the linkage between a kind of back timber arranged side by side of the present invention is made up of preceding linkage 1 and back linkage 2, comprising the sliding part that can slide on the guide rail of back timber; One end is hinged on the back timber, the load spare that the other end is connected with propulsion cylinder by sliding part; The pin that connects each hinge; One end is hinged on the back timber, the other end and hinged check chain and the big spring of sliding part; It is characterized in that in two linkages, having a linkage to have an end and back timber hinged, the short oil cylinder that the other end is connected with sliding part; And in another linkage, have an end and back timber is hinged, the other end and the hinged connecting rod of sliding part.
The present invention also has another kind of form of structure: the linkage between a kind of back timber arranged side by side, form by preceding linkage 1 and back linkage 2.Comprising the sliding part that can on the guide rail of back timber, slide; The load bar that one end is hinged on the back timber, the other end is connected with propulsion cylinder by sliding part; The pin that connects each hinge; It is characterized in that all having the short oil cylinder that an end is hinged with back timber, the other end is connected with sliding part in 2 at two linkages 1.
In the linkage of two kinds of form of structure, it is characterized in that the position of short oil cylinder is located in two cracks between the back timber arranged side by side as previously described.
In the linkage of two kinds of form of structure, need be provided with the stopping means that can prevent that the short oil cylinder from swinging in horizontal plane as previously described.
Described stopping means can be a connecting rod, and an end of connecting rod is connected with sliding part, and its other end is connected on the part that moves with connecting rod.Comprising with the described connecting rod of propulsion cylinder cylinder body double as, advancing slip moving part and back sliding part are connected together, spacing mutually.For example an end of cylinder body is hinged on the advancing slip moving part, and the other end of cylinder body has flange, trough of belt on the back sliding part, the groove on the back sliding part be located at the corresponding position of flange on, described flange inserts in the groove of back sliding part.
Described stopping means also can be by the flap that is welded on the back timber, the pin parallel with back timber and have the hinge that the short oil cylinder of longer hinge hole is formed.
Described stopping means can also adopt other form that is suitable for.
After adopting such structure, just can be by controlling the flexible of short oil cylinder, laborsaving, regulate two spacings between the back timber quickly, thereby the direction that control bracket is pushed ahead, the big problem of labour intensity when having overcome steering hydraulic support and stirring the vertical pendulum bar and carry out tuning with lever by manpower.When being pushed down by the spoil of inbreak above the back timber, by the huge strength of short oil cylinder can push away moving back timber, thereby holding time is long when having solved steering hydraulic support and needing to hang in addition lifting gear pulling back timber such as chain sling sometimes, influences the problem of output of coal.Because the short oil cylinder places among the crack of two back timbers arranged side by side, so be difficult for crumbling when blowing out.
When all being with the short oil cylinder in two groups of linkages, generally only operating one of them short oil cylinder and can adjust direction of propulsion.When two short oil cylinders are operated simultaneously, support is laterally moved, so the adjusting bracket spacing is more more convenient.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the vertical view of the first kind of embodiment of linkage between a kind of back timber arranged side by side of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1 and Fig. 6.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the D-D sectional drawing of Fig. 2.
Fig. 5 is the schematic diagram that short oil cylinder 5 is connected with cylindrical slideway 13.
Fig. 6 is the vertical view of the second kind of embodiment of linkage between a kind of back timber arranged side by side of the present invention.
Fig. 7 is the C-C sectional view of Fig. 6.
Fig. 8 is the vertical view of the another kind of embodiment of short oil cylinder stopping means.
The specific embodiment
First kind of embodiment of the linkage between a kind of back timber arranged side by side shown in Figure 1 is made up of preceding linkage 1, back linkage 2.In conjunction with Fig. 1 and Fig. 3, described preceding linkage 1 comprises can be along the advancing slip moving part 10 of guide rail 13 slips, one end and back timber 3 are hinged, three parts that the other end and advancing slip moving part 10 are hinged: connecting rod 15, check chain 19 and big spring 20, one end and back timber are 3 hinged, the other end is connected with advancing slip moving part 10 is used to bear the thrust of propulsion cylinder 8 and the load spare 16 of pulling force, connects the pin 12,14,17,18,21 of each hinge.Preceding linkage 1 constitutes a four-bar mechanism, and four-bar mechanism can swing up and down, so can adapt to back timber 3 and 4 height variations.In conjunction with Fig. 1 and Fig. 2, in the linkage 2 of the described back of first kind of embodiment, comprising can be 3 hinged with pin 7 and back timber along the back sliding part 6 of 13 parallel sliding of the guide rail on the back timber 4 and an end, the other end is with the hinged short oil cylinder 5 of pin 22 and back sliding part 6.
Below in conjunction with Fig. 1,2,3 explanation linkages of the present invention role in hydraulic support.Described hydraulic support is except that preceding linkage 1 and back linkage 2, also comprise back timber 3, back timber 4, protect very useful preceding beam 28 in advance, the rear end, the other end that is hinged on back timber 4 from back timber pillar 11, one ends vertically downward by pin 24 is by the hinged propulsion cylinder 8 of the advancing slip moving part in pin 9 and the preceding linkage 1 10.This hydraulic support operating sequence is: at first the pillar 11 below the back timber 3 is carried post, preceding linkage 1 and back linkage 2 are to lower swing, this moment, back timber 3 and following pillar 11 thereof were got up by preceding linkage 1 and 2 suspentions of back linkage, then the piston rod of propulsion cylinder 8 stretches out, and each pillar 11 before promoting below linkage 1, back timber 3, back linkage 2 and the back timber 3 moves forward to terminal together.If at this time the piston rod of the short oil cylinder 5 in the linkage 2 of back stretches out, will promote the rear end of back timber 3.Because the length of linkage 1 is changeless, thus back timber 3 in the past sliding part 10 be axle, clockwise direction rotates, and becomes rear end spacing increasing from original with back timber 4 parastates.Shore supports below the back timber 3 then, pillar under the back timber 4 is carried post, back timber 4 and following pillar 11 thereof are got up by preceding linkage 1 and 2 suspentions of back linkage, the piston rod withdrawal of propulsion cylinder 8, and pulling back timber 4 and the pillar 11 below it move forward a step together.Then the withdraw piston rod of short oil cylinder 5 makes back timber 4 return to the original state parallel with back timber 3, the pillars 11 below the back timber 4 are supported, so just finished support move frame with turn right to operation.Turn left to similar with aforesaid operations.
Fig. 4 discloses to prevent a kind of stopping means that the short oil cylinder 5 in the linkage 2 swings in horizontal plane.In the groove after flange 23 injects on the sliding part 6, driving back sliding part 6 slides together, and the cylinder body of flange 23 and propulsion cylinder 8 connects together, this cylinder body again with preceding linkage 1 in advancing slip moving part 10 hinged, like this flange 23 just and cylinder body, preceding linkage 1, back timber 3 and the short oil cylinder 5 of propulsion cylinder 8 define the position each other, move forward synchronously, play the effect that prevents that short oil cylinder 5 from swinging in horizontal plane.
Fig. 6 and Fig. 7 disclose second kind of embodiment of the linkage between a kind of back timber arranged side by side of the present invention, are made up of preceding linkage 1, back linkage 2.The load bar 27 that wherein preceding linkage 1 comprises is 3 hinged along hinged short oil cylinder 5, one ends of advancing slip moving part 10, one ends of guide rail 13 parallel sliding of back timber 4 and the back timber 3 hinged other ends and advancing slip moving part 10 and back timber, the other end and advancing slip moving part 10 are hinged.Wherein back linkage 2 is identical with first kind of embodiment.Used the hydraulic support of second kind of embodiment also to comprise back timber 3 and 4, pillar 11, propulsion cylinder 8, and the pin in each hinge 7,9,22,24,30,31 is formed.Adopt the hydraulic support of second kind of embodiment, its operating sequence is identical with the hydraulic support that adopts first kind of embodiment.
Second kind of embodiment and first kind of main difference of embodiment are: in first kind of former and later two linkage of embodiment, have only a linkage to have short oil cylinder 5; Second kind of embodiment all has short oil cylinder 5 in former and later two linkages.Consequent performance difference is that the former can only regulate direction, and the latter can regulate direction, can regulate horizontal spacing under the situation of not pushing ahead again.
Be not with load spare 16, check chain 19, big spring 20 in the preceding linkage 1 of second kind of embodiment, these and first kind of embodiment are not important other, because also can not be with check chain 19 and big spring 20 in first kind of embodiment, also can adopt the form of load bar 27.The effect of load bar 27 is equivalent to load spare 16, and promptly one of effect is thrust and a pulling force of bearing propulsion cylinder 8, and two of effect is double stopping means of making short oil cylinder 5.Load bar 27 and load spare 16 can be intercoursed in two kinds of embodiments.The stopping means of the short oil cylinder 5 in the back linkage 2 also can adopt the form of load bar 27.
Certainly, the stopping means of short oil cylinder 5 can also adopt other structures, like Fig. 8 does the between centers size of the hinge hole on the short oil cylinder 5 longerly like that, and far away the distance design between flap 25 and 26 can prevent that also short oil cylinder 5 from vacillating now to the left, now to the right in horizontal plane; And for example in first kind of embodiment coupling together with connecting rod between advancing slip moving part 10 and the back sliding part 6 etc.The conversion of such a stopping means all falls within the protection of the present invention.
At advancing slip moving part 10 described in embodiment 1 and 2 and back sliding part 6 all is slide block, and this moment, short oil cylinder 5 was hinged with being connected of slide block.When the cylindrical slideway that adopts as shown in Figure 5 freely-supported on back timber 4, sliding part is the annular cover 29 that is enclosed within on the cylindrical slideway, short oil cylinder 5 with between annular overlaps 29 by fusing releasable connection or non-disconnectable the connection.The conversion of guide rail form also falls within the protection of the present invention like this.
Claims (8)
1. the linkage between the back timber arranged side by side, form by preceding linkage and back linkage, comprising the sliding part that can on the guide rail of back timber, slide, one end is hinged on the back timber, the load spare that the other end connects by sliding part and propulsion cylinder, one end is hinged on the back timber, check chain that the other end and sliding part are hinged and big spring, the pin that connects each hinge, it is characterized in that in former and later two linkages, having a linkage to have an end and back timber hinged, the short oil cylinder that the other end is connected with sliding part, and in another linkage, have respectively and back timber and the hinged connecting rod of sliding part.
2. the linkage between the back timber arranged side by side, form by preceding linkage and back linkage, comprising the sliding part that can on the guide rail of back timber, slide, the load bar that one end is hinged on the back timber, the other end connects by sliding part and propulsion cylinder, the pin that connects each hinge is characterized in that all having the short oil cylinder that an end is hinged with back timber, the other end is connected with sliding part in former and later two linkages.
3. linkage as claimed in claim 1 or 2 is characterized in that the position of short oil cylinder is located in two cracks between the back timber arranged side by side.
4. linkage as claimed in claim 1 or 2 is characterized in that being provided with the stopping means that can prevent that the short oil cylinder from swinging in horizontal plane.
5. linkage as claimed in claim 4 is characterized in that described stopping means is a connecting rod, and an end of connecting rod is connected with sliding part, and its other end is hinged on the part that connecting rod slides.
6. linkage as claimed in claim 5, it is characterized in that described connecting rod can be the propulsion cylinder cylinder body, one end of cylinder body and a sliding part are hinged, the other end flanged pin of cylinder body, another sliding part trough of belt, groove on the sliding part is located on the position corresponding with flange, and described flange inserts in the groove of sliding part.
7. linkage as claimed in claim 4 is characterized in that described stopping means is by the flap that is welded on the back timber, the pin parallel with back timber and have the hinge that the short oil cylinder of longer hinge hole is formed.
8. linkage as claimed in claim 1 or 2 is characterized in that described sliding part has two, and one is advancing slip moving part, and another is the back sliding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100630971A CN100432373C (en) | 2005-04-06 | 2005-04-06 | Connecting device between paratactic roof beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100630971A CN100432373C (en) | 2005-04-06 | 2005-04-06 | Connecting device between paratactic roof beams |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1844640A true CN1844640A (en) | 2006-10-11 |
| CN100432373C CN100432373C (en) | 2008-11-12 |
Family
ID=37063600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100630971A Expired - Fee Related CN100432373C (en) | 2005-04-06 | 2005-04-06 | Connecting device between paratactic roof beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432373C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089769A1 (en) * | 2008-01-10 | 2009-07-23 | Zeyu Li | A light-duty hydraulic bracket |
| CN102116159B (en) * | 2010-01-05 | 2013-06-12 | 李秋生 | Hydraulic support of suspension roof timber capable of adjusting direction |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2525034C2 (en) * | 1975-06-05 | 1981-01-08 | Becorit Grubenausbau Gmbh, 4350 Recklinghausen | Cap for longwall construction elements |
| CN2033857U (en) * | 1988-07-22 | 1989-03-08 | 北京矿务局 | Suspensory displaceable hydraulic prop for headbeam |
| CN1011605B (en) * | 1988-07-22 | 1991-02-13 | 北京矿务局 | Hydraulic prop for moving suspended top beam |
| CN2069481U (en) * | 1990-06-19 | 1991-01-16 | 北京矿务局机械设计研究所 | Net-coupling type hydraulic supporting frame |
| CN1059390A (en) * | 1990-10-10 | 1992-03-11 | 北京矿务局机械设计研究所 | Walking type hydraulic supports |
| CN2097278U (en) * | 1990-12-28 | 1992-02-26 | 张东官 | Cap moving device with adjustable double arms |
| CN1067136C (en) * | 1998-04-15 | 2001-06-13 | 北京矿务局机械设计研究所 | Steering hydraulic support |
| RU2234607C2 (en) * | 2002-08-30 | 2004-08-20 | Открытое акционерное общество "Подмосковный научно-исследовательский и проектно-конструкторсккий угольный институт" | Advancing mechanism for support and conveyer section |
| CN2802089Y (en) * | 2005-04-06 | 2006-08-02 | 李泽宇 | Connection device between parallel cap |
-
2005
- 2005-04-06 CN CNB2005100630971A patent/CN100432373C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009089769A1 (en) * | 2008-01-10 | 2009-07-23 | Zeyu Li | A light-duty hydraulic bracket |
| CN102116159B (en) * | 2010-01-05 | 2013-06-12 | 李秋生 | Hydraulic support of suspension roof timber capable of adjusting direction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100432373C (en) | 2008-11-12 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20190406 |