CN102230380A - Wedge self-locking type stepping hanging scaffold - Google Patents
Wedge self-locking type stepping hanging scaffold Download PDFInfo
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- CN102230380A CN102230380A CN2011101563414A CN201110156341A CN102230380A CN 102230380 A CN102230380 A CN 102230380A CN 2011101563414 A CN2011101563414 A CN 2011101563414A CN 201110156341 A CN201110156341 A CN 201110156341A CN 102230380 A CN102230380 A CN 102230380A
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Abstract
The invention discloses a wedge self-locking type stepping hanging scaffold. The wedge self-locking type stepping hanging scaffold comprises an upper scaffold, a middle scaffold and a lower scaffold, wherein the upper scaffold is also used as a rope stabilizing scaffold; the middle scaffold is provided with a control panel; digging and building equipment is hung at the bottom of the lower scaffold; a vertical column passing through the middle scaffold is arranged between the upper scaffold and the lower scaffold; three hydraulic vertical columns are arranged between the upper scaffold and the lower scaffold; and scaffold stabilizing friction wedge mechanisms are respectively arranged along the peripheries of the upper edges on the ring beams of the upper and lower scaffolds; and stepping friction wedge mechanisms are arranged along the peripheries of the lower edges on the ring beams of the upper and middle scaffolds, wherein the stepping wedge mechanisms are in the opposite direction of the scaffold stabilizing friction wedge, have the same structure as the scaffold stabilizing friction wedge, and are arranged at intervals. The wedge self-locking type stepping hanging scaffold is particularly suitable for excavating vertical shaft wellholes which are more than a kilometer deep; a hanging scaffold suspension rope is not needed; strict requirements on a shaft sinking winch and a shaft sinking headframe are reduced; a large number of steel wires are saved; the scaffold steps stably; the safety is high; the energy consumption is low; hitches are not needed to be prefabricated on the well wall; the complex process for precisely positioning the hitches during the walling is avoided; and the damage to the well wall is reduced.
Description
Technical field:
The present invention relates to a kind of voussoir self-locking hanging scaffold of taking a step, be particularly useful for the construction of other shaft of vertical well driving of the dark level of km.
Background technology:
At present domestic in shaft of vertical well cutting process, the suspension hanging scaffold that is adopted is by many stable car liftings hanging scaffold to be moved up and down in the vertical well, though this mode can adapt to km deeply with the work in the interior shaft of vertical well cutting, need sinking shaft stable car quantity many but exist, the derrick complexity, stable car hoisting power utilization rate is low, stable car is difficult to the centralized Control synchronization lifting and causes the jiggly problem of lifting, and during for super km shaft construction, the hanging scaffold suspension wire rope length that needs surpasses the rope capacity of existing sinking shaft stable car, thereby causing the equipment cost height, working security is poor.In addition, along with the intensification of mine shaft depth, the tensile force of steady rope requires also significantly to increase, the dark vertical of particularly super km, and the pulling force to hanging scaffold when surely restricting tensioning can reach more than the 40t.The advanced measure of domestic steady dish at present is that the steel crawler shoe is pressed on the borehole wall obtaining frictional force, but for guaranteeing safety, the pre-pressing force of crawler shoe all will influence borehole wall quality considerably beyond the thrust of needs.
The dark shaft construction of more external kms adopts the hitch formula hanging scaffold of taking a step: be generally three layers of hanging scaffold, on, lower floor's dish is rigidly connected, on, the middle level dish is provided with hydraulically powered slotting beam, inserting beam on the two-layer dish alternately inserts in the hitch reserved on the borehole wall or the groove with fixing hanging scaffold, simultaneously by last, the flexible realization of the hydraulic vertical prop between the middle level dish function of taking a step, this has just saved suspension rope and Suspenoing apparatus, simplified sinking headframe, and take a step steadily, but this hanging scaffold requires to reserve a large amount of hitch or groove on the borehole wall, be unfavorable for borehole wall construction, influence borehole wall quality, and also be not easy the location between slotting beam and hitch.
Summary of the invention
Technical problem: goal of the invention is the weak point that overcomes in the prior art, and a kind of voussoir self-locking simple in structure, that lifting is steady, working security is high, result of use is good hanging scaffold of taking a step is provided.
Technical scheme: the voussoir self-locking of the present invention hanging scaffold of taking a step, comprise the double lower floor's dish that pick block equipment is hung in the upper strata dish of tensioning frame, the middle level dish that is provided with console and bottom of doing, be provided with the rigid posts of passing the middle level dish between upper strata dish and the lower floor's dish, be provided with three hydraulic vertical props between upper strata dish and the middle level dish; The upper edge periphery of upper and lower layer dish is respectively equipped with steady dish friction voussoir, the lower edge periphery that go up, coils in the middle level is provided with surely dish friction voussoir direction is opposite, structure is identical, the spaced voussoir that rubs of taking a step, upper strata dish and lower floor dish top are respectively equipped with steady dish drag wedge block mechanism along periphery, and upper strata dish and dish bottom, middle level are respectively equipped with the drag wedge block mechanism of taking a step along periphery.
Described middle level dish is provided with the guide pillar cover by rigid posts; Described column symmetric arrangement is four; The described voussoir of taking a step to rub mainly constitutes by wear the friction panel, clapboard, resilient sleeper-bearing and the sloping desk that even are fixed as one through bolt; Described steady dish drag wedge block mechanism is made of the connecting rod that is located at the steady dish hydraulic cylinder on the card, steady disk compression bar and be connected between steady dish hydraulic cylinder and the depression bar; Described take a step the drag wedge block mechanism by be located at the hydraulic cylinder of taking a step under the card, the depression bar and be connected the connecting rod of taking a step hydraulic cylinder and taking a step between the depression bar and constitute of taking a step.
Beneficial effect: owing to adopted technique scheme, hanging scaffold system to save hanging scaffold suspension wire rope and suspention stable car, reduced harsh requirement, also saved a large amount of suspension wire ropes to sinking headframe and sinking shaft stable car.The voussoir of taking a step is stuck between the borehole wall and the collar tie beam and forms self-closing structure, even hydraulic system fault can guarantee that also hanging scaffold is stabilized on the borehole wall, has improved the hanging scaffold safety; Wedge structure can guarantee the borehole wall to the stiction of voussoir and the force adaptive balance that fixedly needs during hanging scaffold, need be on the borehole wall prefabricated hitch, save and insert the trouble of locating between beam and hitch; Upper strata dish can doublely be done tensioning frame, the tensile force when providing steady dish by the friction voussoir, and frictional force always equals the pulling force of steady rope to hanging scaffold, avoided excessive pretightning force.Do not need many suspention stable car Synchronization Control, take a step steadily, the borehole wall that do not collide with, safe.Because during grab loader work, upper and lower two-layer dish all keeps closely contacting with the borehole wall, has eliminated the danger that turns over.The friction voussoir embedded resilient sleeper-bearing that is equipped with had both guaranteed the suitable deflection of friction voussoir, so directly do not contact intensity and abrasion resistance when not influencing voussoir and contacting with the borehole wall with the borehole wall again.The elastic deformation in voussoir when work both can guarantee closely to contact with collar tie beam with the borehole wall simultaneously, avoided slippage and lost dereism, can prevent effectively that again the borehole wall contact surface from concentrating stressed and destroy shaft wall structure.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a drag wedge block structure schematic diagram of the present invention.
Among the figure: 1-upper strata dish, 2-surely coils the friction voussoir, the 3-voussoir that rubs of taking a step, 4-column, 5-console, 6-middle level dish, the 7-depression bar of taking a step, 8-lower floor dish, the steady disk compression bar of 9-, 10-surely coils hydraulic cylinder, the 11-borehole wall, 12-surely restricts, the 13-hydraulic cylinder of taking a step, 14-guide pillar cover, 15-hydraulic vertical prop, the 16-pressure tank that leads, 3-1-bolt, 3-2-arcuate friction surface plate, the 3-3-clapboard, 3-4-resilient sleeper-bearing, 3-5-wedge shape framework.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described:
As shown in Figure 1, the voussoir self-locking of the present invention hanging scaffold of taking a step, mainly the work disk body that constitutes by upper strata dish 1, middle level dish 6, lower floor's dish 8, column 4, console 5 and hydraulic vertical prop 15, be located at steady dish friction voussoir 2, the voussoir 3 of taking a step to rub on the work disk body, surely coil the drag wedge block mechanism, the drag wedge block mechanism of taking a step constitutes.The upper strata is coiled the 1 double tensioning frame of doing and is connected with steady rope 12, and console 5 is located on the middle level dish 6, and the bottom of lower floor's dish 8 is hung with pick block equipment and cooperates the down-hole construction.Be provided with the column 4 that passes middle level dish 6 between upper strata dish 1 and the lower floor's dish 8, column 4 symmetric arrangement are four; Middle level dish 6 is provided with the guide pillar cover 14 that passes column 4, and guide pillar cover 14 can guarantee that hanging scaffold takes a step steadily.Be provided with three hydraulic vertical props 15 between upper strata dish 1 and the middle level dish 6; The upper edge periphery of upper and lower layer dish is respectively equipped with steady dish friction voussoir 2, upward, middle level dish lower edge periphery is provided with surely dish friction voussoir 2 directions are opposite, structure is identical, the spaced voussoir 3 of taking a step to rub, the voussoir 3 of taking a step to rub mainly comprises wedge shape framework 3-5, be provided with resilient sleeper-bearing 3-4 and clapboard 3-3 in the wedge shape framework 3-5 successively, the entrance side of wedge shape framework 3-5 is provided with arcuate friction surface plate 3-2, and arcuate friction surface plate 3-2 is provided with and passes the bolt 3-1 that resilient sleeper-bearing 3-4 and clapboard 3-3 and wedge shape framework 3-5 connect as one.Upper strata dish 1 and lower floor coil 8 tops and are respectively equipped with steady dish drag wedge block mechanism along periphery, surely coil the drag wedge block mechanism and are made of the connecting rod that is located at the steady dish hydraulic cylinder 10 on the card, steady disk compression bar 9 and be connected between steady dish hydraulic cylinder 10 and the depression bar 9.Upper strata dish 1 and middle level are coiled 6 bottoms and are respectively equipped with the drag wedge block mechanism of taking a step along periphery, take a step the drag wedge block mechanism by be located at the hydraulic cylinder 13 of taking a step under the card, the depression bar 7 and be connected the connecting rod of taking a step hydraulic cylinder 13 and taking a step between the depression bar 7 and constitute of taking a step.
When taking a step, the voussoir linkage of the taking a step voussoir 3 of will taking a step to rub snaps between the borehole wall 11 and the guiding pressure tank 16, and under the voussoir linkage thrust of taking a step, take a step to rub voussoir 3 and guiding pressure tank 16 form the trend that relatively moves.Contact surface and the vertical direction of voussoir 3 and guiding pressure tank 16 have an angle owing to take a step to rub, and make hanging scaffold rub to taking a step the extruding component of the vertical borehole wall of voussoir 3 generations and component straight down.Under the effect of extruding component, produce stiction between the friction voussoir and the borehole wall, stop friction voussoir and hanging scaffold to lower slider.And along with the increasing of hanging scaffold load, the also corresponding increase of this stiction, stiction that promptly makes progress and downward hanging scaffold gravity adapt to mutually, keep dynamic equilibrium.
During steady dish, surely coil the voussoir linkage and will surely coil friction voussoir 2 and snap between the borehole wall and the guiding pressure tank, produce frictional force and stop on the hanging scaffold and moves, until reaching the pulling force that steady rope 12 needs.
When taking a step downwards, at first shrink hydraulic vertical prop 4, the steady dish hydraulic cylinder of controlling then on upper strata dish 1 and the lower floor's dish 8 10 applies pulling force, by steady dish drag wedge block mechanism the steady dish friction voussoir 2 on upper strata dish 1 and the lower floor's dish 8 is slided along its guiding pressure tank 16, disengage with the borehole wall, when upper strata dish 1 drops to predetermined stop position, hydraulic cylinder 13 applied thrusts of taking a step on the upper strata dish 1, make the voussoir 3 of taking a step to rub along moving on the guiding pressure tank 16, until closely contacting with the borehole wall; Hydraulic vertical prop 4 continues to shrink, the hydraulic cylinder 13 of taking a step on the middle level dish 6 applies pulling force simultaneously, taking a step on the upper strata dish 1 rubbed, and more pressure is tighter for voussoir 3, and the guiding pressure tank 16 on the middle level dish 6 under hydraulic vertical prop 4 tension and the wedging power of 3 of the voussoirs of taking a step to rub reduce, under the tension of the drag wedge block mechanism of taking a step on the middle level dish 6, the voussoir 3 of taking a step to rub disengages with the borehole wall, and firmly wedging is coiled at this moment on the borehole wall in the upper strata, then utilize hydraulic vertical prop 4 decline middle levels dish 6 to next stop position, start the drag wedge block mechanism of taking a step on the middle level dish 6, make the voussoir 3 that rubs of taking a step on the middle level dish 6 snap in the guiding and pressure tank 14 centres of the borehole wall and middle level dish, extend hydraulic vertical prop 4 then, taking a step on the middle level dish 6 rubbed, and more pressure is tighter for voussoir 3, and the guiding pressure tank 16 on the upper strata dish 1 under the thrust of hydraulic vertical prop 4 and the wedging power of 3 of the voussoirs of taking a step to rub reduce, at this moment the hydraulic cylinder 13 of taking a step on the upper strata dish 1 applies pulling force, and the voussoir 3 of taking a step to rub just can disengage smoothly with the borehole wall.So just finish the circulation of taking a step downwards.
When upwards taking a step, the voussoir 3 that at first taking a step on the upper strata dish 1 rubbed snaps between the borehole wall and guiding and the pressure tank 16 and also closely contacts, then utilize hydraulic vertical prop 4 pulling middle level dishes 6, at this moment 1 voussoir 3 elastic deformations that rub of taking a step are coiled on the upper strata, upper strata dish 1 moves down slightly, start the steady dish hydraulic cylinder 10 on upper strata dish 1 and the lower floor's dish 8, steady dish friction voussoir 2 is disengaged with the borehole wall, continue pulling middle level dish 6 to next stop position, start the hydraulic cylinder 13 of taking a step on the middle level dish 6, the voussoir 3 that rubs of taking a step on the middle level dish 6 is snapped in 16 of the borehole wall and guiding and pressure tanks; Hydraulic vertical prop 4 elongations then, make voussoir 3 wedgings that rub of taking a step on the middle level dish 6, and the rub wedging power of voussoir 3 and 16 of the pressure tanks of leading of taking a step on the upper strata dish 1 reduces and disengages with the borehole wall under the tension of drag wedge block mechanism of taking a step, then lifting upper strata dish 1 is finished the circulation of upwards taking a step to next stop position.
During hanging scaffold stabilizing, the taking a step of control middle level dish 6 voussoir 3 that rubs is in the chucking duty constantly, be in the pressure release state with the hydraulic cylinder 13 of taking a step that voussoir 3 links to each other that rubs of taking a step of upper strata dish 1, start the steady dish drag wedge block mechanism of upper strata dish 1 and lower floor's dish 8, steady dish friction voussoir 2 is snapped between the borehole wall and guiding and the pressure tank 16; The steady rope 12 of tensioning is to the tensile force that needs.
The friction voussoir is when bearing pressure, because the elastic deformation of resilient sleeper-bearing 3-4 both can guarantee closely to contact with collar tie beam with the borehole wall simultaneously, avoids slippage and loses dereism, can prevent effectively that again the borehole wall contact surface from concentrating stressed and destroy shaft wall structure.And the component of the vertical direction that voussoir bears bears by wedge shape framework 3-5, has avoided the vertical direction deformation of friction panel 3-2 and resilient sleeper-bearing 3-4.Because bolt 3-1 is in the non-state that is connected when being connected with voussoir, can avoid bearing the vertical direction shearing force.Triangle is split 3-3 and is used to isolate rubbing surface 3-2 and resilient sleeper-bearing 3-4.
Claims (5)
1. voussoir self-locking hanging scaffold of taking a step, comprise that the upper strata dish (1) that is connected with steady rope (12), the middle level dish (6) that is provided with HYDRAULIC CONTROL SYSTEM platform (5) and bottom hang the lower floor of pick block equipment and coil (8), be provided with the rigid posts (4) of passing middle level dish (6) between upper strata dish (1) and the lower floor's dish (8), be provided with a plurality of telescopic hydraulic vertical props (15) between upper strata dish (1) and the middle level dish (6); It is characterized in that: the periphery of described upper and lower layer dish is respectively equipped with a plurality of steady dish friction voussoirs (2), the periphery that go up, coils in the middle level is provided with and the steady voussoir (3) that rubs of taking a step that voussoir (2) direction is opposite, structure is identical that rubs that coils, upper strata dish (1) and lower floor's dish (8) periphery are respectively equipped with steady dish drag wedge block mechanism, and upper strata dish (1) and dish (6) lower edge, middle level periphery are respectively equipped with the drag wedge block mechanism of taking a step.
2. the voussoir self-locking according to claim 1 hanging scaffold of taking a step is characterized in that: described middle level dish (6) is provided with the guide pillar cover (14) by rigid posts (4).
3. the voussoir self-locking according to claim 1 hanging scaffold of taking a step, it is characterized in that: the described voussoir (3) of taking a step to rub comprises wedge shape framework (3-5), be provided with resilient sleeper-bearing (3-4) and clapboard (3-3) in the wedge shape framework (3-5) successively, the entrance side of wedge shape framework (3-5) is provided with arcuate friction surface plate (3-2), and arcuate friction surface plate (3-2) is provided with and passes the bolt (3-1) that resilient sleeper-bearing (3-4) and clapboard (3-3) and wedge shape framework (3-5) connect as one.
4. the voussoir self-locking according to claim 1 hanging scaffold of taking a step is characterized in that: described steady dish drag wedge block mechanism by be located at a steady dish hydraulic cylinder (10), the steady disk compression bar (9) on the layer dish and be connected steady dish hydraulic cylinder (10) and depression bar (9) between the connecting rod formation.
5. the voussoir self-locking according to claim 1 hanging scaffold of taking a step is characterized in that: described take a step the drag wedge block mechanism by be located at layer dish down the hydraulic cylinder of taking a step (13), the depression bar of taking a step (7) and be connected the hydraulic cylinder of taking a step (13) and the depression bar of taking a step (7) between the connecting rod formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110156341 CN102230380B (en) | 2011-06-13 | 2011-06-13 | Wedge self-locking type stepping hanging scaffold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110156341 CN102230380B (en) | 2011-06-13 | 2011-06-13 | Wedge self-locking type stepping hanging scaffold |
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| Publication Number | Publication Date |
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| CN102230380A true CN102230380A (en) | 2011-11-02 |
| CN102230380B CN102230380B (en) | 2013-03-06 |
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| CN 201110156341 Active CN102230380B (en) | 2011-06-13 | 2011-06-13 | Wedge self-locking type stepping hanging scaffold |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562073A (en) * | 2012-01-11 | 2012-07-11 | 中国矿业大学 | Telescopic boom of walking hanging scaffold |
| CN102628363A (en) * | 2012-04-19 | 2012-08-08 | 中国矿业大学 | Well wall supporting method for hydraulic stepped sinking platform |
| CN105129582A (en) * | 2015-09-25 | 2015-12-09 | 东北大学 | Vertical mine wall climbing device |
| CN109250623A (en) * | 2018-08-28 | 2019-01-22 | 中国水利水电夹江水工机械有限公司 | A kind of pair of self-locking stepping type self walking mechanism and control method |
| CN111352382A (en) * | 2020-03-18 | 2020-06-30 | 河海大学常州校区 | Automatic stepping control system and method special for friction type self-locking stepping hanging scaffold |
| CN112855634A (en) * | 2020-12-18 | 2021-05-28 | 中国矿业大学 | Hydraulic drive-based vertical shaft construction stepping type template system |
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| CN1078016A (en) * | 1993-01-15 | 1993-11-03 | 山西矿业学院 | All supporting type well rigs of vertical borehole wall ring and job practices thereof |
| DE102004053931A1 (en) * | 2004-11-05 | 2006-05-18 | Thyssen Schachtbau Gmbh | Pit drilling device has climbing assembly deck and work carrying deck arranged on peripheral side which can be brought into rest position with the help of lifting device |
| CN201851123U (en) * | 2010-10-27 | 2011-06-01 | 鞍钢矿山建设有限公司 | Sinking platform for concreting vertical shaft |
| CN102080446A (en) * | 2011-02-18 | 2011-06-01 | 中国水利水电第七工程局成都水电建设工程有限公司 | Lifting platform for shaft construction |
| CN202132044U (en) * | 2011-06-13 | 2012-02-01 | 中国矿业大学 | Wedging block self-locking moving hanging scaffold |
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| CN1078016A (en) * | 1993-01-15 | 1993-11-03 | 山西矿业学院 | All supporting type well rigs of vertical borehole wall ring and job practices thereof |
| DE102004053931A1 (en) * | 2004-11-05 | 2006-05-18 | Thyssen Schachtbau Gmbh | Pit drilling device has climbing assembly deck and work carrying deck arranged on peripheral side which can be brought into rest position with the help of lifting device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562073A (en) * | 2012-01-11 | 2012-07-11 | 中国矿业大学 | Telescopic boom of walking hanging scaffold |
| CN102562073B (en) * | 2012-01-11 | 2014-04-16 | 中国矿业大学 | Telescopic boom of walking hanging scaffold |
| CN102628363A (en) * | 2012-04-19 | 2012-08-08 | 中国矿业大学 | Well wall supporting method for hydraulic stepped sinking platform |
| CN105129582A (en) * | 2015-09-25 | 2015-12-09 | 东北大学 | Vertical mine wall climbing device |
| CN109250623A (en) * | 2018-08-28 | 2019-01-22 | 中国水利水电夹江水工机械有限公司 | A kind of pair of self-locking stepping type self walking mechanism and control method |
| CN109250623B (en) * | 2018-08-28 | 2023-12-22 | 中国水利水电夹江水工机械有限公司 | Double self-locking stepping self-walking mechanism and control method |
| CN111352382A (en) * | 2020-03-18 | 2020-06-30 | 河海大学常州校区 | Automatic stepping control system and method special for friction type self-locking stepping hanging scaffold |
| CN112855634A (en) * | 2020-12-18 | 2021-05-28 | 中国矿业大学 | Hydraulic drive-based vertical shaft construction stepping type template system |
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| CN102230380B (en) | 2013-03-06 |
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