CN201460939U - Filling and timbering hydraulic support with a tamping mechanism - Google Patents
Filling and timbering hydraulic support with a tamping mechanism Download PDFInfo
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- CN201460939U CN201460939U CN2009200921129U CN200920092112U CN201460939U CN 201460939 U CN201460939 U CN 201460939U CN 2009200921129 U CN2009200921129 U CN 2009200921129U CN 200920092112 U CN200920092112 U CN 200920092112U CN 201460939 U CN201460939 U CN 201460939U
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Abstract
A filling and timbering hydraulic support with a tamping mechanism comprises a base, a top beam, a vertical post, a tail beam, a supporting plate, a four-bar linkage mechanism and the tamping mechanism. The tamping mechanism consists of a swing tamping mechanism capable of rotating up and down to tamp and a transverse tamping mechanism capable of extending back and forth along a length direction of the base, the swing tamping mechanism comprises a crossbeam, a swing beam jack, a gangue tamping beam and a gangue tamping beam jack, and the transverse tamping mechanism consists of a transverse gangue tamping beam and a transverse gangue temping beam. The transverse tamping mechanism capable of extending back and forth along the length direction of the base is added in the filling and timbering hydraulic support with a tamping mechanism, when gangues dropping from a gangue conveyer are damped by the swing tamping mechanism, the transverse tamping mechanism tamps the gangues further, and especially filling areas approaching the ground and the tail end of the base of the support can be tamped effectively, thereby thoroughly avoiding dead corners, achieving better filling effect without frequently moving the support, and increasing working efficiency.
Description
Technical field:
The utility model relates to a kind of support apparatus that is used for coal-face under the coal mine, particularly carries out the hydraulic support of filling, supporting operation in the goaf of coal-face, is a kind of filling and support hydraulic support with reinforcement mechanism 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.China utility application " hydraulic support for filling waste rock " (May 30 2005 applying date, application number 200510043629.5, publication number CN 1873188A, open day on December 6th, 2006) disclosing a kind of filling that is used for coal mine fully-mechanized mining working grinds the stone hydraulic support, below tail boom, hang the spoil conveyer, be used to carry the spoil of filling, but do not have ballast consolidating machine in this technical scheme, after spoil is by the transporter filling, also need ballast consolidating machine that spoil is tamped.China utility model patent " filling mining hydraulic support " (February 6 2007 applying date, application number 200720034249.X, notice of authorization CN201007216Y) a kind of filling mining integrated hydraulic support is disclosed, this support is provided with the telescopic compacting jack that tilts to be hinged on the base below the spoil conveyer, the jack head is provided with shovel board, the middle part is provided with the adjusting jack that is hinged on the base, not only can carry out supporting, can also realize filling the goaf to fully-mechanized mining working.But the compacting jack in this hydraulic support can only be done single racking under the shovel board effect, good inadequately to spoil compacting effect, and can not be tamped near the spoil on bracket base and ground, could there be dead angle area to spoil compacting nearby after having only traversing carriage; Simultaneously, in this technical scheme, the spoil conveyer directly be suspended on the back timber, be not easy to regulate spoil conveyer position and transport path, traversing carriage continually in the stowing operation, inefficiency.And the front and back column of existing filling support all is located on the back timber usually, when the top, tunnel not at ordinary times, locally between set cap and the tunnel have bigger gap, support is insecure to the supporting in tunnel.
The utility model content:
The purpose of this utility model is to provide a kind of filling and support hydraulic support with reinforcement mechanism, the filling and support hydraulic support of described this band reinforcement mechanism to solve filling of the prior art compacting hydraulic support need frequent traversing carriage effectively the spoil of base afterbody tamp, ineffective technical problem.
The purpose of this utility model is achieved through the following technical solutions: comprise base, back timber, be located at the front-axle beam of back timber front portion, the column of supporting top beam, be located at the tail boom of back timber afterbody, the supporting plate that tail boom is provided with down, quadric chain, the supporting plate chute is suspended under the tail boom, have the material-dropping hole of discharging filling on the chute frid, be positioned at base rear end, the drag conveyor below is provided with reinforcement mechanism, and column is connected with base with back timber respectively with the top and bottom of quadric chain, wherein, this reinforcement mechanism is by rotating the swing reinforcement mechanism of doing the compacting motion up and down and can constituting along the elastic horizontal reinforcement mechanism of doing horizontal compacting campaign of base length direction.
Between reinforcement mechanism and base, also be provided with retaining cash seat, the front end of retaining cash seat is connected with the rear end of base, described swing reinforcement mechanism comprises balance arm, balance arm jack, rams the cash beam and rams cash beam jack, 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 rear and front end of balance arm jack is 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, laterally reinforcement mechanism is made of horizontal rammer cash beam and the horizontal cash beam jack that rams, laterally ram the cash beam to be embedded in the drawer type in the retaining cash seat, ram cash beam jack one end and be articulated on the retaining cash seat, the other end is connected with the horizontal cash beam that rams.
Between back timber and quadric chain, be provided with balance jack.
Described column is each two of front and back, and symmetry is positioned at the both sides of base and back timber respectively, and quadric chain is between forward and backward column; The back timber middle part is hinged with front two root posts, the tail boom middle part is hinged with back two root posts, described quadric chain comprises connecting rod, front rod and back link, the upper end of last connecting rod is connected with back timber, the bottom of last connecting rod is connected with the top of front rod and back link respectively, the lower end of front and rear connecting rods is hinged with base respectively, and the balance jack two ends are articulated on connecting rod and the back timber.
Described upward connecting rod is the body structure of top jag, and last connecting rod integral is the shape of falling Y, and its upper end is hinged on the back timber; 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.
Offer the skylight on the connecting rod on the Y shape.
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.
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.
The supporting plate jack that between tail boom and supporting plate, is provided with, 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 back timber, tail boom, balance arm, rammer cash beam and laterally ram the cash beam and be respectively body structure; Junction at back timber and base and column two ends is respectively arranged with needling.
Operating principle of the present utility model is: the supporting part of support is the same with the effect of conventional hydraulic bracket support, as follows in the filling part implementation procedure: the supporting plate of hanging stowage conveyer slides into the goaf that needs filling in the chute at tail boom under the effect of supporting plate jack, fills transporter transportation filler and fills the goaf; The balance arm that is hinged on the retaining cash seat is adjusted to certain elevation angle under the effect of balance arm jack, the rammer cash beam compacting under the effect of rammer cash beam jack that is enclosed within balance arm inside is filled in the filler in goaf; The drawer type that is hinged on the retaining cash seat laterally rams the cash beam, and compacting in the horizontal is filled in the charges in goaf under the effect of laterally ramming cash beam jack.
The utility model is compared with prior art, its effect is actively with tangible. the utility model is set up in the filling and support hydraulic support of band reinforcement mechanism can be along the elastic horizontal reinforcement mechanism of doing horizontal compacting campaign of base length direction, like this, after the spoil compacting that the swing reinforcement mechanism will fall from the spoil conveyer, can also under the effect of horizontal reinforcement mechanism, further tamp, particularly be effectively reinforced near near the fill area ground and the bracket base tail end, merely by the swing reinforcement mechanism can not be effectively with spoil compacting that should the zone, after setting up horizontal reinforcement mechanism, thoroughly avoided this dead angle area, and filling effect is better, do not want frequent traversing carriage, if improved operating efficiency. at reinforcement mechanism and base support retaining cash seat is set, can stop that the filling area is from the fallen charges of stowage conveyer on the one hand, its retaining to base protects effect because the baffle plate of prior art, can settle balance arm on the other hand. balance arm jack and the horizontal cash beam that rams, if regulate the elevation angle of balance arm by the balance arm jack. between back timber and quadric chain, be provided with balance jack, can be around the front two root posts and back two root posts upper end respectively top beam rear end and tail boom front end are finely tuned up and down for rotating shaft, it is tightr to be fitted in back timber and tail boom and top, tunnel, give the more firm and solid support action power in tunnel, improve the support action of support. offering the skylight on the connecting rod on the Y shape, can observe the situation that the compacting filler is filled in the goaf better by the skylight. be provided with wall supporting and wall supporting jack at the back timber front end, play support action and prevent coal wall caving at the back timber front end. also be provided with on the base and pass framework and pass jack, can under the effect of passing jack, play a part pushing and sliding and move frame. between tail boom and supporting plate, be provided with the supporting plate jack, supporting plate flexibly connects by chute and the tail boom that is arranged on the tail boom, can adjust the position of supporting plate by stretching of supporting plate jack, and then the position of adjustment spoil conveyer, after the filling operation at a place is finished, can under the situation of traversing carriage not, easily and fast supporting plate be slided into new setting.
Description of drawings:
Fig. 1 is the overall structure figure of filling and support hydraulic support first embodiment of the utility model band reinforcement mechanism.
Fig. 2 is a base vertical view among Fig. 1.
Fig. 3 is the last bar linkage structure schematic diagram among Fig. 1.
The specific embodiment:
Embodiment 1:
As Fig. 1, Fig. 2 and shown in Figure 3. the filling and support hydraulic support of this band reinforcement mechanism of the present utility model, the dotted line of balance arm and rammer cash beam is the several position in its work among Fig. 1. in the present embodiment, comprise base 19, back timber 3, the column 17 of supporting top beam, be hinged on the tail boom 4 of back timber afterbody, the supporting plate 6 that tail boom is provided with down, quadric chain, the supporting plate chute is suspended under the tail boom, have the material-dropping hole of discharging filling on the chute frid 22, be positioned at base rear end, the supporting plate below is provided with reinforcement mechanism, column is connected with base with back timber respectively with the top and bottom of quadric chain. and the effect of tail boom 4 is the goafs at the effect lower support hydraulic support rear portion of column, in order to move charges, be provided with supporting plate 6 and supporting plate jack 5 at the rear portion of tail boom 4, the effect of supporting plate 6 is to hang the charges transporter, 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 5 is connected with tail boom 4, the rear end of supporting plate jack 5 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 5, moving of each supporting plate 6 by manually controlling by gauge tap. between reinforcement mechanism and base, also be provided with retaining cash seat 13, retaining cash seat 13 adopts high strength casing welded construction, the front end of retaining cash seat 13 and the rear end of base 19 are hinged by two hinges, with the swing of restriction retaining cash seat 13 on left and right directions, the effect of retaining cash seat 13 has two, the one, be used for blocking fallen filler from the stowage conveyer, as the spoil class; The 2nd, connect reinforcement mechanism. this reinforcement mechanism is by rotating the swing reinforcement mechanism of doing the compacting motion up and down and can constituting along the elastic horizontal reinforcement mechanism of doing horizontal compacting campaign of base length direction. and described swing reinforcement mechanism comprises balance arm 9, balance arm jack 10, ram cash beam 7 and ram cash beam jack 8, balance arm 9 and rammer cash beam 7 adopt high strength casing welded construction respectively. in the present embodiment, balance arm 9 forms for two casings that be arranged in parallel are linked together by the reinforcing rib perpendicular to two tanks respectively, on two parallel casings of balance arm 9, all be provided with balance arm jack 10 respectively, ramming cash beam 7 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, two front ends that ram cash beam 7 are sleeved on the inner chamber of balance arm two parallel casings respectively from the rear end of balance arm 9, all be provided with two front ends that ram cash beam jack 8. balance arms 9 respectively and be hinged with retaining cash seat 13 respectively on two side box bodies that ram cash beam 7, the two ends of each balance arm jack 10 are connected with retaining cash seat 13 with balance arm 9 respectively; Balance arm jack 10 plays a part around the pin joint adjusting balance arm elevation angle and then regulates and ram the cash plate height, and each two ends of ramming cash beam jack 8 is hinged with balance arm 9 and rammer cash beam 7 respectively; Ramming cash beam 7 realizes elastic by the effect of ramming cash beam jack 8, be used for tamping the charges that have been filled in the goaf. laterally reinforcement mechanism is made of horizontal rammer cash beam 12 and the horizontal cash beam jack 11 that rams, laterally ramming cash beam 12 is high strength casing welded construction, laterally ram cash beam 12 to be embedded in the drawer type in the retaining cash seat 13, adopt two laterally to ram cash beams 12 and be up and down structure and be located in the retaining cash seat 13 in this example, correspondingly be located at two and laterally ram cash beam jack 11, laterally ramming cash beam jack 11 1 ends is articulated on the retaining cash seat 13, the other end is connected with the horizontal cash beam 12 that rams, laterally ram cash beam 12 and tamp the charges in goaf in the horizontal by the telescopic action of horizontal rammer cash beam jack 11, further charges are tamped, especially obvious to compacting effect near the charges of ground and base afterbody, avoid swinging the dead angle area of reinforcement mechanism. described column 17 is each two of front and back, front two root posts, 17 symmetries are positioned at the both sides of base 19 and back timber 3, next two root posts, 17 symmetries are positioned at the both sides of base 19 and tail boom 4, before quadric chain is positioned at, between the rear column, quadric chain comprises connecting rod 16, front rod 15 and back link 14, the upper end of last connecting rod 16 and back timber 3 are hinged, in the present embodiment, last connecting rod 16 is divided into two for the bottom jag, have the high strength casing welded construction in skylight 23, last connecting rod 16 integral body are the shape of falling Y, its upper end is hinged on the back timber 3, before, back link 15,14 are set to symmetrical two groups, front rod 15 and back link 14 are respectively independently high strength casing welded construction, every group upper end is hinged with the bottom of 16 1 branches of last connecting rod respectively, every group lower end respectively and the base both sides between the column be hinged, constitute a quadric chain like this, on connecting rod 16 on the Y shape, offer skylight 23, operator 24 can observe the situation of goaf filling compacting filler better by skylight 23. between back timber 3 and last connecting rod 16, be hinged with balance jack 18, the articulated position of the upper end of balance jack 18 and back timber 3 is between the articulated position of preceding two root posts 17 and last connecting rod 16 and back timber 3, because it is hinged between back timber 3 and the tail boom 4, so by balance jack 18 can be around the front two root posts and back two root posts upper end respectively back timber 3 rear ends and tail boom 4 front ends are finely tuned up and down for rotating shaft, eliminate bigger gap between back timber and tail boom and the top, tunnel, make back timber 3 and tail boom 4 and top, tunnel fit tightr, give the more firm and solid support action power in tunnel, improving the support action of support. the front end at back timber 3 also is provided with wall supporting 1 and wall supporting jack 2, the front end of the rear end of wall supporting 1 and back timber 3 is hinged, before the wall supporting jack 2, back two ends are hinged with wall supporting 1 and back timber 3 respectively, the effect of supporting wall supporting 1. wall supportings 1 by wall supporting jack 2 is to play support action and prevent coal wall caving at back timber 3 front ends. base 19 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 19 is provided with passing framework 20 and passes jack 21, the front end of passing framework 20 is provided with engaging lug, the rear end of passing framework 20 is connected with base 19 by passing jack 21, passing framework 20 is connected with the main transporter of adopting face by the engaging lug of front end, under the effect of passing jack 21, play a part pushing and sliding and move frame. in addition, on back timber 3 and base 19 and four columns 17, on the link position at following two ends, 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 be hinged on the base, is not easy to retaining like this and protects reinforcement mechanism.Also can with swing in the reinforcement mechanism balance arm and 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.Also can fix one at the end that laterally rams the cash beam and ram the cash plate, laterally reinforcement mechanism also can be the hydraulic jack of a plurality of terminal band compacting plates.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.Can also be set to directly be fixed on the tail boom by supporting plate.
Claims (10)
1. filling and support hydraulic support with reinforcement mechanism, comprise base, back timber, be located at the front-axle beam of back timber front portion, the column of supporting top beam, be located at the tail boom of back timber afterbody, the supporting plate that tail boom is provided with down, quadric chain, the supporting plate chute is suspended under the tail boom, have the material-dropping hole of discharging filling on the chute frid, be positioned at base rear end, the drag conveyor below is provided with reinforcement mechanism, column is connected with base with back timber respectively with the top and bottom of quadric chain, it is characterized in that: this reinforcement mechanism is by rotating the swing reinforcement mechanism of doing the compacting motion up and down and can constituting along the elastic horizontal reinforcement mechanism of doing horizontal compacting campaign of base length direction.
2. the filling and support hydraulic support of band reinforcement mechanism as claimed in claim 1, it is characterized in that: between reinforcement mechanism and base, also be provided with retaining cash seat, the front end of retaining cash seat is connected with the rear end of base, described swing reinforcement mechanism comprises balance arm, balance arm jack, rams the cash beam and rams cash beam jack, 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 rear and front end of balance arm jack is 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, laterally reinforcement mechanism is made of horizontal rammer cash beam and the horizontal cash beam jack that rams, laterally ram the cash beam to be embedded in the drawer type in the retaining cash seat, ram cash beam jack one end and be articulated on the retaining cash seat, the other end is connected with the horizontal cash beam that rams.
3. the filling and support hydraulic support of band reinforcement mechanism as claimed in claim 1 is characterized in that: be provided with balance jack between back timber and quadric chain.
4. the filling and support hydraulic support of band reinforcement mechanism as claimed in claim 1 is characterized in that: described column is each two of front and back, and symmetry is positioned at the both sides of base and back timber respectively, and quadric chain is between forward and backward column; The back timber middle part is hinged with front two root posts, the tail boom middle part is hinged with back two root posts, described quadric chain comprises connecting rod, front rod and back link, the upper end of last connecting rod is connected with back timber, the bottom of last connecting rod is connected with the top of front rod and back link respectively, the lower end of front and rear connecting rods is hinged with base respectively, and the balance jack two ends are articulated on connecting rod and the back timber.
5. the filling and support hydraulic support of band reinforcement mechanism as claimed in claim 4 is characterized in that: described upward connecting rod is the body structure of top jag, and last connecting rod integral is the shape of falling Y, and its upper end is hinged on the back timber; 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.
6. the filling and support hydraulic support of band reinforcement mechanism as claimed in claim 5 is characterized in that: offer the skylight on the connecting rod on the Y shape.
7. as the filling and support hydraulic support of claim 1 or 2 or 3 or 4 or 5 or 6 described band reinforcement mechanisms, it is characterized in that: 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.
8. as the filling and support hydraulic support of claim 1 or 2 or 3 or 4 or 5 or 6 described band reinforcement mechanisms, it is characterized in that: on base, also be provided with 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.
9. as the filling and support hydraulic support of claim 1 or 2 or 3 or 4 or 5 or 6 described band reinforcement mechanisms, it is characterized in that: the supporting plate jack that between tail boom and supporting plate, is provided with, 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.
10. as the filling and support hydraulic support of claim 1 or 2 or 3 or 4 or 5 or 6 described band reinforcement mechanisms, it is characterized in that: described back timber, tail boom, balance arm, rammer cash beam and laterally ram the cash beam and be respectively body structure; Junction at back timber and base and column two ends is respectively arranged with needling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200921129U CN201460939U (en) | 2009-07-31 | 2009-07-31 | Filling and timbering hydraulic support with a tamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200921129U CN201460939U (en) | 2009-07-31 | 2009-07-31 | Filling and timbering hydraulic support with a tamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201460939U true CN201460939U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200921129U Expired - Lifetime CN201460939U (en) | 2009-07-31 | 2009-07-31 | Filling and timbering hydraulic support with a tamping mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892856A (en) * | 2010-07-03 | 2010-11-24 | 霍州煤电集团有限责任公司 | Special hydraulic support for underground filling coal mining of coal mine |
| CN102913279A (en) * | 2011-08-05 | 2013-02-06 | 郑州四维机电设备制造有限公司 | Gangue clamping-proof structure for gangue filling tamping mechanism |
| CN103924995A (en) * | 2014-03-19 | 2014-07-16 | 北京天地玛珂电液控制系统有限公司 | Automatic tamping control system for filling stents |
| CN109236364A (en) * | 2018-10-22 | 2019-01-18 | 河北工程大学 | A kind of portable filling mining tamping simulator |
| CN109989787A (en) * | 2019-05-09 | 2019-07-09 | 陕西长武亭南煤业有限责任公司 | A kind of coal mine waste rock filling combination ramming mechanism |
| CN111255512A (en) * | 2020-03-04 | 2020-06-09 | 山东康格能源科技有限公司 | Original gangue solid filling method |
-
2009
- 2009-07-31 CN CN2009200921129U patent/CN201460939U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892856A (en) * | 2010-07-03 | 2010-11-24 | 霍州煤电集团有限责任公司 | Special hydraulic support for underground filling coal mining of coal mine |
| CN101892856B (en) * | 2010-07-03 | 2012-07-25 | 霍州煤电集团有限责任公司 | Special hydraulic support for underground filling coal mining of coal mine |
| CN102913279A (en) * | 2011-08-05 | 2013-02-06 | 郑州四维机电设备制造有限公司 | Gangue clamping-proof structure for gangue filling tamping mechanism |
| CN103924995A (en) * | 2014-03-19 | 2014-07-16 | 北京天地玛珂电液控制系统有限公司 | Automatic tamping control system for filling stents |
| CN109236364A (en) * | 2018-10-22 | 2019-01-18 | 河北工程大学 | A kind of portable filling mining tamping simulator |
| CN109236364B (en) * | 2018-10-22 | 2024-02-23 | 河北工程大学 | Portable filling exploitation tamping simulator |
| CN109989787A (en) * | 2019-05-09 | 2019-07-09 | 陕西长武亭南煤业有限责任公司 | A kind of coal mine waste rock filling combination ramming mechanism |
| CN109989787B (en) * | 2019-05-09 | 2024-01-19 | 陕西长武亭南煤业有限责任公司 | Coal mine gangue filling combined tamping mechanism |
| CN111255512A (en) * | 2020-03-04 | 2020-06-09 | 山东康格能源科技有限公司 | Original gangue solid filling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CATERPILLAR (ZHENGZHOU) CO., LTD. Free format text: FORMER NAME: ZHENGZHOU SIWEI ELECTROMECHANICAL EQUIPMENT MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 No. 7 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee after: Caterpillar (Zhengzhou) Co., Ltd. Address before: 450001 No. 7 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee before: Zhengzhou Siwei Electromechanical Equipment Manufacturing Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
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| CX01 | Expiry of patent term |