CN101984220A - Double flexible suspension hydraumatic upright column - Google Patents
Double flexible suspension hydraumatic upright column Download PDFInfo
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- CN101984220A CN101984220A CN 201010189670 CN201010189670A CN101984220A CN 101984220 A CN101984220 A CN 101984220A CN 201010189670 CN201010189670 CN 201010189670 CN 201010189670 A CN201010189670 A CN 201010189670A CN 101984220 A CN101984220 A CN 101984220A
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Abstract
The invention discloses a double flexible suspension hydraumatic upright column. A hemispheroid is connected with a cylinder to form a head cover (1) and a base (7); a limit boss (36) and a limit boss (35) are respectively arranged on the outer cylindrical surfaces at the lower parts of a plunger (6) and an intermediate cylinder (5) of a round straight tube; a nugget (8) with a liquid in-out through hole (32) is welded on the outer cylndrical surface at the lower part of a hydro-cylinder (3) of the round straight tube; a nugget (20) and a nugget (16) respectively with a liquid in-out through hole (34) and a liquid in-out through hole (33) are welded at the external walls of short round tubes of a movable cylinder sleeve (2) and a cylinder sleeve (3); the base (7) and a hydro-cylinder (4) are welded into a whole; the plunger (6) is arranged in the inner cavity of the intermediate cylinder (5), and the intermediate cylinder (5) is arranged in the inner cavity of the hydro-cylinder (4); and the movable cylinder sleeve (2) is arranged above the intermediate cylinder (5) to fix the plunger (6) and the cylinder sleeve (3) is arranged above the hydro-cylinder (4) to fix the intermediate cylinder (5). The invention features compact structure, large bearing capacity, large operating stroke, convenient assembly and disassembly, low labour intensity and wide practical applicability.
Description
Technical field
The present invention relates to a kind of two flexible suspension hydraulic vertical prop, be particularly useful on the hydraulic support of down-hole, mine fully-mechanized mining working.
Background technology
Hydraulic support is one of down-hole, mine fully-mechanized mining working imperative equipment, the use of hydraulic support brings great convenience to fully-mechanized mining working, the hydraulic support that uses in China mine is by different standing support, shield and the chock shields of being divided into design feature of its support pattern to top board, column is one of requisite parts of hydraulic support, but with regard to column, exist following problem: 1) under the effect of bump, cylinder body sharply expands, because of seal failure causes interior leakage; 2) complex structure, reliability is low, and the damage amount is many; 3) anufacturability is poor, the cost of production height; 4) maintenance difficult, the maintenance maintenance amount is big, the labour intensity height.Therefore, the hydraulic support hydraulic vertical prop is improved have great importance.
Summary of the invention
The objective of the invention is: a kind of two flexible suspension hydraulic vertical prop is provided, and its compact conformation is reasonable, has especially big impulse stroke, the post intensity of living height, and cost is low, long service life.
Technical solution of the present invention is: this hydraulic vertical prop comprises top cover, post alive, middle cylinder, oil cylinder, live cylinder sleeve, cylinder sleeve and base; Hemisphere connects cylinder and forms top cover; The post of living is the straight tube of circle, and the bottom external cylindrical surface of the post of living is provided with positive stop lug boss; Middle cylinder is the circle straight tube, and the bottom external cylindrical surface of middle cylinder is provided with positive stop lug boss; Oil cylinder is the circle straight tube, welding block of welding on the bottom external cylindrical surface of circle straight tube, and welding block is provided with the liquid in-out through hole; Cylinder sleeve alive and cylinder sleeve are one section short pipe, and the inwall of short pipe is a ladder hole, and the outer wall of the short pipe of live cylinder sleeve and cylinder sleeve welds a welding block respectively, and welding block is provided with the liquid in-out through hole; Hemisphere connects cylinder and forms base; The bottom of the cylinder insertion oil cylinder of base is integrally welded, liquid in-out through hole on the welding block of oil cylinder is communicated with the inner chamber of oil cylinder, the top of the cylinder insertion post alive of top cover is integrally welded, the post of living is installed in the inner chamber of middle cylinder, the outer wall of post alive and the inwall of middle cylinder form separate space, middle cylinder is installed in the inner chamber of oil cylinder, the outer wall of middle cylinder and the inwall of oil cylinder form separate space, the fixing post of living of the cylinder sleeve of living is installed above middle cylinder, liquid in-out through hole on the welding block of cylinder sleeve alive is communicated with the separate space of live post and middle cylinder, cylinder during the installation cylinder sleeve is fixed above oil cylinder, the separate space of cylinder and oil cylinder during the liquid in-out through hole on the welding block of cylinder sleeve is communicated with.
Wherein, on the bottom external cylindrical surface of post of living, clip is installed, clip seal is installed respectively up and down, guide ring is set on the clip, the outer round surface of guide ring and the inner surface of middle cylinder are slidingly matched, and make the post alive can be in the slip relatively vertically of middle cylinder inner chamber.
Wherein, on the external cylindrical surface of the bottom of middle cylinder, clip is installed, clip seal is installed respectively up and down, guide ring is set on the clip, the outer round surface of guide ring and the inner surface of oil cylinder are slidingly matched, cylinder can slide vertically relatively at cylinder cavity in making.
Wherein, the cylinder sleeve of living is one a section short pipe, short round tube inner wall is a ladder hole, the inwall of its going up or down stairway through hole is provided with a plurality of ring-shaped grooves, external surface by dust ring, guide ring, seal and the post of living in the ring-shaped groove of epimere ladder hole forms slipper seal and cooperates, the ring-shaped groove of hypomere ladder hole interior by seal be connected steel wire and middle cylinder on cylindrical be sealedly connected and fixed.
Wherein, cylinder sleeve is one a section short pipe, short round tube inner wall is a ladder hole, the inwall of its going up or down stairway through hole is provided with a plurality of ring-shaped grooves, form slipper seal by dust ring, guide ring, seal with the external surface of middle cylinder in the ring-shaped groove of epimere ladder hole and cooperate, the ring-shaped groove of hypomere ladder hole interior by seal be connected steel wire and oil cylinder on cylindrical be sealedly connected and fixed.
Wherein, top cover or base are connected and composed by otic placode and pipe.
Wherein, it is stifled on the turnover oil hole oil to be installed.
Its operating principle: highly pressurised liquid enters the cavity of post alive, middle cylinder and oil cylinder by the liquid in-out through hole of oil cylinder, like this along with the injection of liquid, when reaching certain pressure, post alive, middle cylinder, top cover and the cylinder sleeve of living rise simultaneously, when the positive stop lug boss on the post of living moves to ladder place in the cylinder sleeve alive when stopping, middle cylinder and cylinder sleeve continue to rise, until the position of withstanding required support; When cancellation is supported, start depressurized system, inject liquid in the annular housing of liquid in-out through hole between post alive and middle cylinder by the cylinder sleeve of living, when pressure reached certain pressure, the post of living descended; Inject liquid in the annular housing of liquid in-out through hole between middle cylinder and oil cylinder by cylinder sleeve simultaneously, when pressure reached certain pressure, middle cylinder descended, and the liquid in the column releases by the liquid in-out through hole of oil cylinder; The every injection of liquid and releasing once, column just supports and falls post once, and pillar is just finished a working cycles like this.
The present invention has the following advantages: 1, compact conformation is reasonable, the sealing good stability, and supporting capacity is big, and impulse stroke is long, and cost of production is low; 2, the live intensity height of post, column in light weight, antiseptic property height, long service life; Only need when 3, dismantling middle cover is shed, the post of living can be taken out from cylinder body, remove and install conveniently, working service is convenient, and labor strength is low, has practicality widely.
Description of drawings
Fig. 1 is a shape assumption diagram of the present invention.
Fig. 2 is a sectional structure chart of the present invention.
Among the figure: 1 top cover, 2 cylinder sleeves alive, 3 cylinder sleeves, 4 oil cylinders, cylinder in 5,6 posts of living, 7 bases, 8,16,20 welding blocks, 9,17,21 oil are stifled, 10,13,15,19,24,27,28,31 seals, 11,30 clips, 12,23,26,29 guide rings, 14,18 connect steel wire, 22,25 dust rings, 32-34 liquid in-out through hole, 35,36 positive stop lug boss.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, this hydraulic vertical prop comprises top cover 1, post 6 alive, middle cylinder 5, oil cylinder 4, live cylinder sleeve 2, cylinder sleeve 3 and base 7; Hemisphere connects cylinder and forms top cover 1; The post 6 of living is the straight tube of circle, and the bottom external cylindrical surface of the post 6 of living is provided with positive stop lug boss 36; Middle cylinder 5 is the circle straight tube, and the bottom external cylindrical surface of middle cylinder 5 is provided with positive stop lug boss 35; Oil cylinder 3 is the circle straight tube, welding block 8 of welding on the bottom external cylindrical surface of circle straight tube, and welding block 8 is provided with liquid in-out through hole 32; Cylinder sleeve 2 alive and cylinder sleeve 3 are one section short pipe, and the inwall of short pipe is a ladder hole, and the outer wall of the short pipe of live cylinder sleeve 2 and cylinder sleeve 3 welds a welding block 20,16 respectively, and welding block 20,16 is provided with liquid in-out through hole 34,33; Hemisphere connects cylinder and forms base 7; The bottom of the cylinder insertion oil cylinder 4 of base 7 is integrally welded, liquid in-out through hole 32 on the welding block 8 of oil cylinder 4 is communicated with the inner chamber of oil cylinder 4, the top of the cylinder insertion post 6 alive of top cover 1 is integrally welded, the post 6 of living is installed in the inner chamber of middle cylinder 5, the outer wall of post 6 alive and the inwall of middle cylinder 5 form separate space, middle cylinder 5 is installed in the inner chamber of oil cylinder 4, the outer wall of middle cylinder 5 and the inwall of oil cylinder 4 form separate space, the cylinder sleeve 2 fixing posts 6 of living of living are installed above middle cylinder 5, liquid in-out through hole 34 on the welding block 20 of cylinder sleeve 2 alive is communicated with the separate space of live post 6 and middle cylinder 5, cylinder 5 during installation cylinder sleeve 3 is fixed above oil cylinder 4, the separate space of cylinder 5 and oil cylinder 4 during the liquid in-out through hole 33 on the welding block 16 of cylinder sleeve 3 is communicated with.
Wherein, clip 30 is installed on the bottom external cylindrical surface of post 6 of living, clip 30 seal 28,31 is installed respectively up and down, guide ring 29 is set on the clip 30, the inner surface of the outer round surface of guide ring 29 and middle cylinder 5 is slidingly matched, and post 6 alive can be slided vertically relatively at middle cylinder 5 inner chambers.
Wherein, clip 11 is installed on the external cylindrical surface of the bottom of middle cylinder 5, clip 11 seal 13,10 is installed respectively up and down, guide ring 12 is set on the clip 11, the inner surface of the outer round surface of guide ring 12 and oil cylinder 4 is slidingly matched, and cylinder 5 can slide vertically relatively at oil cylinder 4 inner chambers in making.
Wherein, the cylinder sleeve 2 of living is one a section short pipe, short round tube inner wall is a ladder hole, the inwall of its going up or down stairway through hole is provided with a plurality of ring-shaped grooves, external surface by dust ring 22, guide ring 23, seal 24 and the post 6 of living in the ring-shaped groove of epimere ladder hole forms slipper seal and cooperates, the ring-shaped groove of hypomere ladder hole interior by seal 19 be connected steel wire 18 and middle cylinder 5 upper end cylindricals and be sealedly connected and fixed.
Wherein, cylinder sleeve 3 is one a section short pipe, short round tube inner wall is a ladder hole, the inwall of its going up or down stairway through hole is provided with a plurality of ring-shaped grooves, form slipper seal by dust ring 25, guide ring 26, seal 27 with the external surface of middle cylinder 5 in the ring-shaped groove of epimere ladder hole and cooperate, the ring-shaped groove of hypomere ladder hole interior by seal 15 be connected steel wire 14 and oil cylinder 4 upper end cylindricals and be sealedly connected and fixed.
Wherein, top cover 1 or base 7 are connected and composed by otic placode and pipe.
Wherein, on turnover oil hole 32-34, oil stifled 9,17,21 is installed respectively.
Its operating principle: highly pressurised liquid enters the cavity of post 6 alive, middle cylinder 5 and oil cylinder 4 by the liquid in-out through hole 32 of oil cylinder 4, like this along with the injection of liquid, when reaching certain pressure, post 6 alive, middle cylinder 5, top cover 1 and the cylinder sleeve 2 of living rise simultaneously, when the positive stop lug boss 36 on the post 6 of living moves to ladder place in the cylinder sleeve 2 alive when stopping, middle cylinder 5 and cylinder sleeve 3 continue to rise, until the position of withstanding required support; When cancellation is supported, start depressurized system, inject liquid in the annular housing of liquid in-out through hole 34 between post 6 alive and middle cylinder 5 by the cylinder sleeve 2 of living, when pressure reached certain pressure, the post 6 of living descended; Inject liquid in the annular housing of liquid in-out through hole 33 between middle cylinder 5 and oil cylinder 4 by cylinder sleeve 3 simultaneously, when pressure reached certain pressure, middle cylinder 5 descended, and the liquid in the column releases by the liquid in-out through hole 32 of oil cylinder 4; The every injection of liquid and releasing once, column just supports and falls post once, and pillar is just finished a working cycles like this.
Claims (7)
1. two flexible suspension hydraulic vertical prop is characterized in that: this hydraulic vertical prop comprises top cover (1), the post (6) of living, middle cylinder (5), oil cylinder (4), live cylinder sleeve (2), cylinder sleeve (3) and base (7); Hemisphere connects cylinder and forms top cover (1); The post (6) of living is the straight tube of circle, and the bottom external cylindrical surface of the post (6) of living is provided with positive stop lug boss (36); Middle cylinder (5) is the circle straight tube, and the bottom external cylindrical surface of middle cylinder (5) is provided with positive stop lug boss (35); Oil cylinder (3) is the circle straight tube, a welding welding block (8) on the bottom external cylindrical surface of circle straight tube, and welding block (8) is provided with liquid in-out through hole (32); Cylinder sleeve (2) alive and cylinder sleeve (3) are one section short pipe, and the inwall of short pipe is a ladder hole, and the outer wall of the short pipe of live cylinder sleeve (2) and cylinder sleeve (3) welds a welding block (20,16) respectively, and welding block (20,16) is provided with liquid in-out through hole (34,33); Hemisphere connects cylinder and forms base (7); The bottom of the cylinder insertion oil cylinder (4) of base (7) is integrally welded, liquid in-out through hole (32) on the welding block (8) of oil cylinder (4) is communicated with the inner chamber of oil cylinder (4), the top of the cylinder insertion post alive (6) of top cover (1) is integrally welded, the post (6) of living is installed in the inner chamber of middle cylinder (5), the outer wall of post alive (6) and the inwall of middle cylinder (5) form separate space, middle cylinder (5) is installed in the inner chamber of oil cylinder (4), the outer wall of middle cylinder (5) and the inwall of oil cylinder (4) form separate space, the fixing post (6) of living of the cylinder sleeve (2) of living is installed in the top of middle cylinder (5), liquid in-out through hole (34) on the welding block (20) of cylinder sleeve alive (2) is communicated with the separate space of live post (6) and middle cylinder (5), cylinder (5) in the top installation cylinder sleeve (3) of oil cylinder (4) is fixing, the separate space of cylinder (5) and oil cylinder (4) during the liquid in-out through hole (33) on the welding block (16) of cylinder sleeve (3) is communicated with.
2. a kind of two flexible suspension hydraulic vertical props according to claim 1, it is characterized in that: wherein, on the bottom external cylindrical surface of post (6) of living, clip (30) is installed, clip (30) seal (28,31) is installed respectively up and down, guide ring (29) is set on the clip (30), the inner surface of the outer round surface of guide ring (29) and middle cylinder (5) is slidingly matched, and post alive (6) is slided vertically relatively at middle cylinder (5) inner chamber.
3. a kind of two flexible suspension hydraulic vertical props according to claim 1, it is characterized in that: wherein, clip (11) is installed on the bottom external cylindrical surface of middle cylinder (5), clip (11) seal (13,10) is installed respectively up and down, guide ring (12) is set on the clip (11), the inner surface of the outer round surface of guide ring (12) and oil cylinder (4) is slidingly matched, and middle cylinder (5) is slided vertically relatively at oil cylinder (4) inner chamber.
4. a kind of two flexible suspension hydraulic vertical props according to claim 1, it is characterized in that: wherein, the cylinder sleeve (2) of living is one a section short pipe, short round tube inner wall is a ladder hole, the inwall of its going up or down stairway through hole is provided with a plurality of ring-shaped grooves, external surface by dust ring (22), guide ring (23), seal (24) and the post (6) of living in the ring-shaped groove of epimere ladder hole forms slipper seal and cooperates, in the ring-shaped groove of hypomere ladder hole by seal (19) be connected steel wire (18) and middle cylinder (5) on cylindrical be sealedly connected and fixed.
5. a kind of two flexible suspension hydraulic vertical props according to claim 1, it is characterized in that: wherein, cylinder sleeve (3) is one a section short pipe, short round tube inner wall is a ladder hole, the inwall of its going up or down stairway through hole is provided with a plurality of ring-shaped grooves, form slipper seal by dust ring (25), guide ring (26), seal (27) with the external surface of middle cylinder (5) in the ring-shaped groove of epimere ladder hole and cooperate, in the ring-shaped groove of hypomere ladder hole by seal (15) be connected steel wire (14) and oil cylinder (4) on cylindrical be sealedly connected and fixed.
6. a kind of two flexible suspension hydraulic vertical props according to claim 1, it is characterized in that: wherein, top cover (1) or base (7) are connected and composed by otic placode and pipe.
7. a kind of two flexible suspension hydraulic vertical props according to claim 1 is characterized in that: wherein, oil stifled (9,17,21) is installed respectively on turnover oil hole (32-34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010189670 CN101984220A (en) | 2010-05-28 | 2010-05-28 | Double flexible suspension hydraumatic upright column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010189670 CN101984220A (en) | 2010-05-28 | 2010-05-28 | Double flexible suspension hydraumatic upright column |
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| Publication Number | Publication Date |
|---|---|
| CN101984220A true CN101984220A (en) | 2011-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010189670 Pending CN101984220A (en) | 2010-05-28 | 2010-05-28 | Double flexible suspension hydraumatic upright column |
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| CN (1) | CN101984220A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704959A (en) * | 2012-07-09 | 2012-10-03 | 中国矿业大学 | Hinged type suspension hydraulic column |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3656411A (en) * | 1969-06-21 | 1972-04-18 | Gewerk Eisenhuette Westfalia | Telescopic props |
| CN2076157U (en) * | 1990-08-30 | 1991-05-01 | 山东矿业学院 | Double telescopical prop with two stage cylinders and high initial support force |
| CN200999615Y (en) * | 2007-01-25 | 2008-01-02 | 郑州煤矿机械集团有限责任公司 | Special upright post used for hydraulic support |
| CN101105133A (en) * | 2007-07-27 | 2008-01-16 | 中国矿业大学 | Double extension suspended type hydraulic vertical prop |
| CN201025042Y (en) * | 2007-03-27 | 2008-02-20 | 郑州煤矿机械集团有限责任公司 | Dual flexing vertical pole for hydraulic pressure supporter |
-
2010
- 2010-05-28 CN CN 201010189670 patent/CN101984220A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3656411A (en) * | 1969-06-21 | 1972-04-18 | Gewerk Eisenhuette Westfalia | Telescopic props |
| CN2076157U (en) * | 1990-08-30 | 1991-05-01 | 山东矿业学院 | Double telescopical prop with two stage cylinders and high initial support force |
| CN200999615Y (en) * | 2007-01-25 | 2008-01-02 | 郑州煤矿机械集团有限责任公司 | Special upright post used for hydraulic support |
| CN201025042Y (en) * | 2007-03-27 | 2008-02-20 | 郑州煤矿机械集团有限责任公司 | Dual flexing vertical pole for hydraulic pressure supporter |
| CN101105133A (en) * | 2007-07-27 | 2008-01-16 | 中国矿业大学 | Double extension suspended type hydraulic vertical prop |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704959A (en) * | 2012-07-09 | 2012-10-03 | 中国矿业大学 | Hinged type suspension hydraulic column |
| CN102704959B (en) * | 2012-07-09 | 2015-04-29 | 中国矿业大学 | Hinged type suspension hydraulic column |
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Application publication date: 20110309 |