The filling hydraulic support of band block protecting device
Technical field
The utility model relates to a kind of support apparatus that is used for coal-face under the coal mine, is that fill in a kind of goaf at coal-face, the hydraulic support of supporting operation specifically.
Background technology
Rich coal resources in China, the fully-mechanized mining equipment maturation, coal winning technology is gradually improved, in short supply along with the energy, the quickening day by day of coal in China exploitation paces, a lot of mines are faced with the resource exhaustion problem, and some contain the coal seam that is considered to be unsuitable for exploitation below building, road and water body, also more and more are subjected to more concern.Domestic generally by adopting multiple technologies measures such as band exploitation, resettlement village, filling mining to solve the pressure coal problem of " three times ", improve coal mining rate.But along with improving constantly and the increase of the seam mining degree of depth of village migration cost, the with the obvious advantage of filling mining technology embodies, and forms flourish gesture gradually.Existing filling technique adopts water filling mostly, the methods such as mud and filling spoil of annotating are come bashing.Water filling and notes mud all will be subjected to the restriction of local concrete geological conditions, in the central plain area, the employing of the method for rockfilling is commonplace, its shortcoming be when filling except the needs support apparatus, also need provide special haulage device and ballast consolidating machine, therefore very big, the operation procedure more complicated of investment.
Summary of the invention
The purpose of this utility model provides the filling hydraulic support that also can carry out filling operation when the supporting operation is carried out in a kind of goaf at coal-face.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: the filling hydraulic support of this band block protecting device comprises back timber, base, column and quadric chain, column is connected with base with back timber respectively with the top and bottom of quadric chain, rear end at base is provided with block protecting device, and the front end of block protecting device is connected with the rear end of base.
Described block protecting device comprises retaining cash seat, and the front end of retaining cash seat is connected with the rear end of base, and retaining cash seat also is provided with reinforcement mechanism, and reinforcement mechanism is connected with retaining cash seat.
Described reinforcement mechanism comprises balance arm, balance arm jack, rams cash beam and rammer cash beam jack, and the front end of balance arm is hinged with retaining cash seat, and rammer cash beam is sleeved on the balance arm inner chamber from the rear end of balance arm; The two ends of balance arm jack are connected with retaining cash seat with balance arm respectively; The rear and front end of ramming cash beam jack is connected with rammer cash beam with balance arm respectively; Rear end at back timber also is provided with moving conveyor.
Described moving conveyor comprises tail boom, tail boom jack, supporting plate and supporting plate jack, and the very heavy front end of tail boom and tail boom is connected with back timber respectively, and the rear end of tail boom jack is connected with tail boom; Rear portion at tail boom is provided with supporting plate, and supporting plate flexibly connects by chute and the tail boom that is arranged on the tail boom, and the forward and backward two ends of supporting plate jack are connected with supporting plate with tail boom respectively;
Described column is each two of front and back, and symmetry is positioned at the both sides of base and back timber respectively, is respectively arranged with needling in the junction at back timber and base and column two ends.
Quadric chain is between forward and backward column; Described quadric chain comprises connecting rod, front rod and back link, and described upward connecting rod is the body structure of top jag, and two upper end is hinged on the back timber respectively; Front rod and back link are respectively independently body structure, and the upper end of front and rear connecting rods is hinged with the bottom of last connecting rod respectively, and the lower end of front and rear connecting rods is hinged with base respectively.
Also be provided with wall supporting and wall supporting jack at the back timber front end, wall supporting rear end and back timber front end are hinged, and the forward and backward two ends of wall supporting jack are hinged with wall supporting and back timber respectively; Described back timber, tail boom, balance arm and rammer cash beam are respectively body structure.
Also be provided with on base and pass framework and pass jack, the front end of passing framework is provided with engaging lug, and the rear end of passing framework is connected with base by passing jack.
For realizing the difunctional of filling and supporting, the utility model also is provided with tail boom and supporting plate in the rear end of back timber except being provided with suspension devices such as base, column, back timber and quadric chain, is provided with retaining cash seat, balance arm and rammer cash beam in the rear end of base.When support carried out supporting to the goaf, supporting plate can transport filler and fill by the transporter of suspention, and the filling position by the supporting plate slip on tail boom change transporter.The rammer cash beam that is sleeved in the balance arm can be used to tamp the filler that has been filled in the goaf, retaining cash seat can be used to block the filler that drops on the support, by top is that the last connecting rod of Y type jag formula structure can be observed the situation of filling on the scope of operation with the compacting filler better, and all said structures make this hydraulic support realize the integrated of supporting and filling operation.
Description of drawings
Fig. 1 is for filling the overall structure schematic diagram of hydraulic support;
Fig. 2 is for cancelling the vertical view of back timber, column, linkage rear base among Fig. 1;
Fig. 3 is the upward view of tail boom;
Fig. 4 is the front view of supporting plate;
Fig. 5 is the vertical view of retaining cash seat;
Fig. 6 is balance arm and the assembling drawing that rams the cash beam;
Fig. 7 is the upward view of last connecting rod;
Fig. 8 is the front view of front rod;
Fig. 9 is the front view of back link.
The specific embodiment
This filling hydraulic support comprises back timber 3, base 16, column 19 and quadric chain, back timber 3 adopts monolithic high strength casing welded construction and is provided with side guard board, the top and bottom of column 19 and quadric chain are hinged with back timber 3 and base 16 respectively, also be provided with tail boom 4 and tail boom jack 5 in the rear end of back timber 3, described tail boom 4 adopts the high strength casing welded construction of band chute, the front end of tail boom 4 and tail boom jack 5 and back timber 3 are hinged, the rear end of tail boom jack 5 and tail boom 4 are hinged, and the effect of tail boom 4 is the goafs at the effect lower support hydraulic support rear portion of tail boom jack 5.In order to move filler, be provided with supporting plate 6 and supporting plate jack 7 at the rear portion of tail boom 4, the effect of supporting plate 6 is to hang the filling transporter.Described supporting plate 6 adopts plate muscle welded construction, supporting plate 6 flexibly connects by chute and the tail boom 4 that is arranged on tail boom 4 bottom surfaces, the front end of supporting plate jack 7 is connected with tail boom 4, the rear end of supporting plate jack 7 is connected with supporting plate 6, after the filling operation at a place is finished, supporting plate 6 can slide into new setting in the chute of tail boom 4 under the traction of supporting plate jack 7, the moving by manually controlling by gauge tap of each supporting plate 6.Rear end at base 16 also is provided with block protecting device and reinforcement mechanism, and reinforcement mechanism is connected with block protecting device.In the present embodiment, described block protecting device directly stands on the base plate of base 16 for retaining cash seat 11, retaining cash seat 11 adopts high strength casing welded construction, be provided with two pin joints at the front end of retaining cash seat 11 and the junction of base 16 tail ends, with the swing of restriction retaining cash seat 11 on left and right directions.The effect of retaining cash seat 11 has two, and the one, be used for blocking from filling fallen filler on the transporter, as the spoil class; The 2nd, connect reinforcement mechanism.Described reinforcement mechanism comprises balance arm 12, balance arm jack 13, rams cash beam 14 and rams cash beam jack 15 that balance arm 12 and rammer cash beam 14 adopt high strength casing welded construction respectively.In the present embodiment, described balance arm 12 forms for two casings that be arranged in parallel are linked together by the reinforcing rib perpendicular to two tanks respectively, all is provided with balance arm jack 13 respectively on two parallel casings of balance arm 12.Described rammer cash beam 14 is formed by connecting in the rear end by the rammer cash plate perpendicular to two tanks respectively for two casings that be arranged in parallel, and two front ends that ram cash beam 14 are sleeved on the inner chamber of balance arm two parallel casings respectively from the rear end of balance arm 12; On two side box bodies that ram cash beam 14, all be provided with respectively and ram cash beam jack 15.Two front ends of balance arm 12 are hinged with retaining cash seat 11 respectively, and the two ends of each balance arm jack 13 are connected with retaining cash seat 11 with balance arm 12 respectively; Balance arm jack 13 plays a part to regulate the balance arm elevation angle around pin joint.Each rear and front end of ramming cash beam jack 15 is connected with rammer cash beam 14 with balance arm 12 respectively; It is elastic by the effect realization of ramming cash beam jack 15 to ram cash beam 14, is used for tamping the filler that has been filled in the goaf.
In the present embodiment, described column 19 is each two of front and back, and symmetry is positioned at the both sides of base 16 and back timber 3 respectively, and quadric chain is between forward and backward column; Described quadric chain comprises connecting rod 8, front rod 9 and back link 10, and described upward connecting rod 8 is the scuttle-open high strength casing welded construction of Y type top jag, and two upper ends of last connecting rod 8 are hinged on the back timber middle part respectively; Front rod 9 and back link 10 are respectively independently high strength casing welded construction, and the upper end of front and rear connecting rods is hinged with the bottom of last connecting rod 8 respectively, and the lower end of front and rear connecting rods is hinged with base 16 respectively.Last connecting rod 8, front rod 9 and back link 10 and base 16 formed four-bar linkage structures are between the left and right pillar 19, can observe the goaf better by the Y shape jag skylight on last connecting rod 8 tops and fill the situation of compacting filler and the operation conditions of filling transporter.
Front end at back timber 3 also is provided with wall supporting 1 and wall supporting jack 2, and the front end of the rear end of wall supporting 1 and back timber 3 is hinged, and the forward and backward two ends of wall supporting jack 2 are hinged with wall supporting 1 and back timber 3 respectively, supports wall supporting 1 by wall supporting jack 2.The effect of wall supporting 1 is to play support action and prevent coal wall caving at back timber 3 front ends.Described base 16 adopts band gap bridge easy opened high strength casing welded construction, it directly acts on the work plane base plate, the crotch place that opens at base 16 is provided with passing framework 17 and passes jack 18, the front end of passing framework 17 is provided with engaging lug, the rear end of passing framework 17 is connected with base 16 by passing jack 18, passing framework 17 is connected with the main transporter of adopting face by the engaging lug of front end, plays a part pushing and sliding and move frame under the effect of passing jack 18.It is hinged that the articulated form of base 16 and front-rear linkage 9 and 10 is the single shaft hole.In addition, on the link position of back timber 3 and base 16 and four column 19 upper/lower terminals, all be respectively arranged with needling, so that hinge is movable convenient.
Except such scheme, also block protecting device can be set; Or the retaining cash seat in the block protecting device only is arranged to a retaining protects riser, reinforcement mechanism can be hinged on the riser or directly and be hinged on the base.Also reinforcement mechanism can be set; Or with the balance arm in the reinforcement mechanism with ram that the cash beam is arranged to be fixed as one or be set to many respectively with the absolute construction of hydraulic jack.In addition, can also go up the I type absolute construction that connecting rod is set to H type structure or is positioned at the left and right sides, at this moment front and rear connecting rods can be set to symmetrical two groups, every group upper end is hinged with the bottom of last connecting rod one side respectively, every group lower end respectively and the base both sides between the column be hinged, can realize the convenient purpose that the compacting situation is filled in the goaf of observing equally.In addition, guaranteeing that quadric chain has under the situation of enough support forces, also column only can be set to symmetrical two.Can also be set to directly be fixed on the tail boom by supporting plate.