CN201202485Y - Large extracting high hydraulic support - Google Patents
Large extracting high hydraulic support Download PDFInfo
- Publication number
- CN201202485Y CN201202485Y CNU2008200985179U CN200820098517U CN201202485Y CN 201202485 Y CN201202485 Y CN 201202485Y CN U2008200985179 U CNU2008200985179 U CN U2008200985179U CN 200820098517 U CN200820098517 U CN 200820098517U CN 201202485 Y CN201202485 Y CN 201202485Y
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- jack
- mining height
- bearing pin
- support bracket
- hydraulic support
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Abstract
The utility model discloses a large mining height hydraulic support bracket; the technical proposal is to increase the beam end distance and prevent an upper roller of a shearer cutting a top beam; a telescopic beam is adopted to control the beam end distance and a top plate in front of the support bracket so as to prevent caving in front of the support bracket; a length-adjustable breast wall mechanism, a flexible gangue blocking screen and a fully-closed dual-movable side guard plate are used to prevent sliding coal lumps and falling gangues entering the support bracket and hurting people or damaging equipment; a dual-role up-regulating device is arranged on the top beam, and a dual-role forward and backward regulating device is arranged at a base so as to the stability of the support bracket and the adaptability of the bracket to the coal seam pitch; the force of a balance jack, especially the pulling force, is increased, so that the adaptability of the support bracket to the rock roof plate can be enhanced; and the space behind a vertical column is enlarged to ensure the safety of pedestrians behind the column. The utility model provide a key technique and a structural proposal for the medium-thickness seam large mining height security protection and the support bracket stability, thereby playing a key role in the large mining height fully-mechanized security protection and the support bracket stability.
Description
Technical field
The utility model relates to the big mining height hydraulic support of a kind of coal mine machinery production medium-thickness seam.
Background technology
Along with the coal mine machinery coal mining, particularly combine the development of adopting, to the concern of the security protection of the above medium-thickness seam of 3.8m and support stability with require more and more higher, at present the tallest and the biggest mining height hydraulic support oneself reach 7.2m, working resistance 15000kN, but the security protection and the support stability problem of big mining height hydraulic support but do not cause enough attention: as because mining height is big, prevent that rib sheet nation is crucial; Mining height is big, for preventing that cylinder cuts back timber on the coal-winning machine, need to strengthen the beam-ends distance according to mining height, with the high 7.2m of frame is example, and coal-winning machine tilts 3 °, last cylinder beat 377mm, coal-winning machine tilts 5 °, last cylinder beat 628mm, coal-winning machine tilt 8 ° and go up cylinder beat 877mm, so the control top board is a difficult point before the frame; Because mining height is big, support center of gravity height, the support stability problem is an emphasis; Big mining height support is general only to be used at＜8 ° of nearly horizontal operation faces, is necessary to take measures, and improves conformability, strengthens the support scope of application.Therefore, at above-mentioned situation, during producing, reality is badly in need of the novel big mining height hydraulic support of development, to adapt to colliery centering thick seam large mining high comprehensive mining security protection and support stability demand.
The utility model content
The purpose of this utility model just provides a kind of novel big mining height hydraulic support, effectively solves the security protection and the support stability difficult problem of the big mining height of medium-thickness seam.
The technical solution of the utility model is as follows:
A kind of big mining height hydraulic support is mainly used in medium-thickness seam big mining and high comprehensive mining work plane safety and stable supporting, and it includes extensible canopy mechanism, retaining wall mechanism, back timber, back timber side guard board, column, caving shield, caving shield side guard board, balanced controls, single front rod, two backs front rod, base, thrust gear, flexible retaining cash curtain, bottom raising mechanism etc.Described back timber front portion is provided with extensible canopy mechanism, and extensible canopy mechanism is made up of extensible canopy and big stroke extensible canopy jack, and big stroke extensible canopy jack rear end and back timber are fixed, and front end connects extensible canopy.By adopting the extensible canopy structure, the beam-ends that can regulate and control entire bracket by strengthening the beam-ends distance, prevents the preceding roof fall of frame apart from LD and frame front top plate, prevents that cylinder cuts back timber on the coal-winning machine.
Described retaining wall mechanism is connected extensible canopy mechanism front end, retaining wall mechanism adopts the structure of adjustable-length, form by skirting board, retaining wall jack and plate, plate jack, retaining wall jack rear end is fixed on the back timber supporting plate, front end and skirting board are hinged, plate is arranged in the skirting board, by the plate jack plate is connected with skirting board, realizes flexible.
Described back timber side guard board is the bilateral activity side guard board, it is stretched to the back timber forward position forward, the described flexibility retaining cash curtain that before column, is provided with, adopt retaining wall mechanism, bilateral activity side guard board and the flexible retaining cash curtain of above-mentioned adjustable length, effectively barrier sheet nation coal cinder and inbreak spoil enter in the frame hurt sb.'s feelings, damage equipment.
Be provided with between described adjacent two back timbers regulate and prevent back timber oblique on regulating mechanism, last regulating mechanism is by raising supporting seat, rise jack and raising bearing pin and form, described rise supporting seat is separately fixed on adjacent two back timbers, raises jack and is installed on the rise supporting seat of adjacent two back timbers by raising bearing pin.Be provided with the adjusting bracket spacing between described adjacent two bases, prevent the back regulating mechanism and the preceding regulating mechanism of base slippage; Described back regulating mechanism transfers supporting seat, back to transfer jack and back to transfer bearing pin to form by the back, and described back transfers supporting seat to be fixed on adjacent two base rear portions, and the back is transferred jack to transfer bearing pin to be installed in the back by the back and transferred on the supporting seat; Regulating mechanism is made up of cross head, preceding accent jack and preceding accent bearing pin before described, and described cross head is fixed on adjacent two base front portions, and preceding accent jack is installed on the cross head by preceding accent bearing pin.Double-acting front and back are set transfer device owing to rises, base are set, can increase the ability of support stability and adaptation seam inclination,, can enlarge and use 15 °～45 ° work planes of seam inclination from present flat seam work plane at back timber.
Described thrust gear is made up of push rod, connector, passing jack and passing bearing pin, and the slide force of passing jack will suitably strengthen, and strengthens the pushing and sliding chamber of 20-30% and locking passing jack than similar support.The suitable like this large slide force that adds, unit advance can be guaranteed in locking pushing and sliding chamber, strengthens head pushing and sliding power up and down, still may pass under the support head space state and advance.
Described bottom raising mechanism is by lifting end jack, supporting plate and lifting end bearing pin and form, and the slide force of lifting end jack will suitably strengthen, and strengthens one-level than similar support; Stroke also will suitably strengthen, and strengthens 1/3 than similar support.Can prevent from like this to prick at the end, guarantee under any situation, to pass fast.
In addition, also will strengthen balanced controls jack power, particularly pulling force strengthens 20-30%, strengthens support and adapts to rock top board performance; Strengthen the column rear space, guarantee pedestrains safety behind the post.
Advantage of the present utility model is as follows:
1, by extensible canopy mechanism, regulate and beam-ends that control has strengthened apart from LD, prevent on the coal-winning machine that cylinder cuts back timber and the too early absciss layer of frame front top plate, inbreak.
2,, prevent that sheet nation piece wall and inbreak from hurting sb.'s feelings by the retaining wall mechanism of length, adjustable angle joint.
3,, realize that back timber is anti-down by last regulating mechanism; If transfer the back, preceding regulating mechanism, the adjusting bracket spacing realizes that the anti-base of back timber is anti-skidding, strengthens the support stability energy and the scope of application, adapts to seam inclination and changes, and from present flat seam work plane, can use 15 °～45 ° work planes of seam inclination.
4, adopt the totally-enclosed bilateral activity side guard board that is stretched to the back timber forward position forward to prevent to leak between frame cash; Flexible retaining cash curtain is set before the column, guarantees pedestrains safety behind the post.
5, adopt the thrust gear suitably add large slide force, locking pushing and sliding chamber and the bottom raising mechanism of big stroke, guaranteeing that big mining and high comprehensive mining Rapid Cycle under any situation is passed advances.
The utility model efficiently solves the security protection and the support stability problem of the big mining height support of big mining height medium-thickness seam, and the development of centering thick seam large mining high comprehensive mining provides strong technical support and dependable performance equipment.
Description of drawings
Fig. 1 is an overall construction drawing of the present utility model.
Fig. 2 is the partial view of of the present utility model preceding security protection part.
Fig. 3 is the partial view of balanced controls part of the present utility model.
Fig. 4 is the schematic diagram of stable mechanism of the present utility model part.
Fig. 5 is a conformability mechanism of the present utility model schematic diagram partly
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.
By Fig. 1-shown in Figure 5, the utility model is by extensible canopy mechanism 1, retaining wall mechanism 2, back timber 3, back timber side guard board 4, last regulating mechanism 5, column 6, caving shield 7, caving shield side guard board 8, balanced controls 9, single front rod 10, two backs front rod 11, base 12, thrust gear 13, back regulating mechanism 14, preceding regulating mechanism 15, bottom raising mechanism 16 and flexible retaining cash curtain 17 compositions such as grade.Regulating mechanism 5 and back regulating mechanism 14 can two one groups on the basic frame, and preceding regulating mechanism 15 can not installed, but three to five of the file leader and the last persons all need install regulating mechanism 5, back regulating mechanism 14 and preceding regulating mechanism 15; The installation of flexible retaining cash curtain 17 is decided by mining height and coal seam situation.
Fig. 1, shown in Figure 2, before the frame security protection mainly by extensible canopy mechanism 1, retaining wall mechanism 2, back timber side guard board 4 and flexible retaining cash curtain 17 are realized.Extensible canopy mechanism 1 is made up of extensible canopy 18 and big stroke extensible canopy jack 19, big stroke extensible canopy jack 19 rear ends and back timber 3 are fixing, front end connects extensible canopy 18, regulate and beam-ends that control has strengthened apart from LD, prevent that cylinder cuts back timber and the inbreak of frame front top plate on the coal-winning machine.Retaining wall mechanism 2 is connected extensible canopy mechanism 1 front end, retaining wall mechanism 2 adopts the structure of adjustable-length, form by skirting board 20, skirting board jin top 21, plate 22 and plate jack 23, skirting board jack 21 rear ends are fixed on back timber 3 supporting plates, front end and skirting board 20 are hinged, and plate 22 is arranged in the skirting board 20, by plate jack 23 plate 22 are connected with skirting board 20, realize flexiblely, prevent that rib sheet nation from hurting sb.'s feelings.Back timber side guard board 4 is the bilateral activity side guard board, is stretched to the back timber forward position forward, prevents to leak cash between big mining height frame.Before flexible retaining cash curtain 17 is arranged on column 6, guarantee the big mining height of pedestrains safety.
Fig. 1, balanced controls 9 shown in Figure 3 have adopted the balance jack of one two chamber closedown structure, connect back timber 3 and caving shield 7 by connecting bearing pin 24, and add large slide force, particularly strengthen pulling force 20-30%, can regulate the top board displacement of making a concerted effort, strengthen support and adapt to the performance that the rock top board changes.
Fig. 4, shown in Figure 5, the stability of support and conformability are mainly by the last regulating mechanism 5 that is provided with between adjacent two back timbers (3), and the thrust gear 13 on back regulating mechanism 14, preceding regulating mechanism 15 and each frame that is provided with between adjacent two bases, bottom raising mechanism 16 are realized.Last regulating mechanism 5 is by raising supporting seat 25, rise jack 26 and raising bearing pin 27 and form, described rise supporting seat 25 is separately fixed on adjacent two back timbers 3, raise jack 26 and be installed in and raise on the supporting seat 25, regulate and prevent that back timber 3 is oblique by raising bearing pin 27.Back regulating mechanism 14 transfers supporting seat 28, back to transfer jack 29 and back to transfer bearing pin 27 to form by the back, and described back transfers supporting seat 25 to be fixed on adjacent two base 12 rear portions, and the back is transferred jack 26 to transfer bearing pin 27 to be installed in the back by the back and transferred on the supporting seat 25; Preceding regulating mechanism 15 is made up of cross head 30, preceding accent jack 29 and preceding accent bearing pin 27, and cross head 30 is fixed on adjacent two base 12 rear portions, and preceding accent jack 26 is installed on the cross head 30 by preceding accent bearing pin 27.Back regulating mechanism 14 and preceding regulating mechanism 15 are used for the adjusting bracket spacing, prevent the base slippage, and this is the key that strengthens the support scope of application.Thrust gear 13 is made up of push rod 31, connector 32, passing jack 33 and passing bearing pin 34, pass jack 33 and adopt the jack in locking pushing and sliding chamber, suitably add large slide force, strengthen 20-30% than similar support slide force, guarantee unit advance, can strengthen head pushing and sliding power up and down, still may pass under the support head space state and advance.Bottom raising mechanism 16 is by lifting end jack 35, supporting plate 36 and lifting end bearing pin 37 and form, and the slide force of lifting end jack 33 strengthens one-level than similar support, and the similar support of stroke ratio strengthens 1/3, prevents the support bundle end, guarantees fully-mechanized mining equipment passing fast under any situation.
Claims (8)
1, big mining height hydraulic support, it includes extensible canopy mechanism (1), retaining wall mechanism (2), back timber (3), back timber side guard board (4), column (6), caving shield (7), caving shield side guard board (8), balanced controls (9), single front rod (10), two backs front rod (11), base (12), thrust gear (13) and bottom raising mechanism (16); It is characterized in that: described back timber (3) front portion is provided with extensible canopy mechanism (1), extensible canopy mechanism (1) is made up of extensible canopy (18) and big stroke extensible canopy jack (19), big stroke extensible canopy jack (19) back one end and back timber (3) are fixing, front end connects extensible canopy (18), and the beam-ends of regulating and control entire bracket is apart from LD.
2, big mining height hydraulic support according to claim 1, it is characterized in that: described retaining wall mechanism (2) is connected extensible canopy mechanism (1) front end, retaining wall mechanism (2) adopts the structure of adjustable-length, form by skirting board (20), skirting board jack (21), plate (22) and plate jack (23), skirting board jack (21) rear end is fixed on back timber (3) supporting plate, front end and skirting board (20) are hinged, plate (22) is arranged in the skirting board (20), by plate jack (23) plate (22) is connected with skirting board (20), and realizes flexible.
3, big mining height hydraulic support according to claim 1 and 2 is characterized in that: described back timber side guard board (4) is the bilateral activity side guard board, and it is stretched to back timber (3) forward position forward.
4, big mining height hydraulic support according to claim 3 is characterized in that: keep off cash curtain (17) described in the preceding flexibility that is provided with of column (6).
5, big mining height hydraulic support according to claim 4, it is characterized in that: between described adjacent two back timbers (3), be provided with and regulate and prevent the last regulating mechanism (5) that back timber (3) is oblique, last regulating mechanism (5) is by raising supporting seat (25), rise jack (26) and raising bearing pin (27) and form, described rise supporting seat (25) is separately fixed on adjacent two back timbers (3), raises jack (26) and is installed on the rise supporting seat (25) by raising bearing pin (27).
6, big mining height hydraulic support according to claim 5 is characterized in that: be provided with the adjusting bracket spacing between described adjacent two bases (12), prevent the back regulating mechanism (14) and the preceding regulating mechanism (15) of base slippage; Described back regulating mechanism (14) transfers supporting seat (28), back to transfer jack (29) and back to transfer bearing pin (27) to form by the back, described back transfers supporting seat (25) to be fixed on adjacent two bases (12) rear portion, and the back is transferred jack (26) to transfer bearing pin (27) to be installed in the back by the back and transferred on the supporting seat (25); Regulating mechanism (15) is made up of cross head (30), preceding accent jack (29) and preceding accent bearing pin (27) before described, described cross head (30) is fixed on adjacent two bases (12) rear portion, and preceding accent jack (26) is installed on the cross head (30) by preceding accent bearing pin (27).
7, big mining height hydraulic support according to claim 6, it is characterized in that: described thrust gear (13) is made up of push rod (31), connector (32), passing jack (33) and passing bearing pin (34), pass the jack that jack (33) adopts locking pushing and sliding chamber, strengthen 20-30% than similar support slide force.
8, big mining height hydraulic support according to claim 7, it is characterized in that: described bottom raising mechanism (16) is by lifting end jack (35), supporting plate (36) and lifting end bearing pin (37) and form, the slide force of lifting end jack (33) strengthens one-level than similar support, and the similar support of stroke ratio strengthens 1/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200985179U CN201202485Y (en) | 2008-06-10 | 2008-06-10 | Large extracting high hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200985179U CN201202485Y (en) | 2008-06-10 | 2008-06-10 | Large extracting high hydraulic support |
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| Publication Number | Publication Date |
|---|---|
| CN201202485Y true CN201202485Y (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200985179U Expired - Fee Related CN201202485Y (en) | 2008-06-10 | 2008-06-10 | Large extracting high hydraulic support |
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| CN (1) | CN201202485Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373939A (en) * | 2011-10-27 | 2012-03-14 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Light hydraulic bracket for shortwall face |
| CN102465707A (en) * | 2010-11-14 | 2012-05-23 | 林州重机集团股份有限公司 | High-inclination-angle hydraulic support |
| CN102536289A (en) * | 2012-03-07 | 2012-07-04 | 中煤北京煤矿机械有限责任公司 | Two-column shielding large-center distance and ultrahigh-working resistance hydraulic support for medium-thickness coal seam |
| CN104695995A (en) * | 2015-03-13 | 2015-06-10 | 中煤北京煤矿机械有限责任公司 | Novel air return way advance support |
| CN105089689A (en) * | 2015-09-14 | 2015-11-25 | 金川 | Self-closed hydraulic support of high-temperature fully mechanized coal mining working face |
| CN102373939B (en) * | 2011-10-27 | 2016-12-14 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Light hydraulic bracket for shortwall face |
| CN110307026A (en) * | 2019-07-02 | 2019-10-08 | 重庆市能源投资集团科技有限责任公司 | A kind of lift bottom method of hydraulic support |
-
2008
- 2008-06-10 CN CNU2008200985179U patent/CN201202485Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465707A (en) * | 2010-11-14 | 2012-05-23 | 林州重机集团股份有限公司 | High-inclination-angle hydraulic support |
| CN102373939A (en) * | 2011-10-27 | 2012-03-14 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Light hydraulic bracket for shortwall face |
| CN102373939B (en) * | 2011-10-27 | 2016-12-14 | 山西晋煤集团金鼎煤机矿业有限责任公司 | Light hydraulic bracket for shortwall face |
| CN102536289A (en) * | 2012-03-07 | 2012-07-04 | 中煤北京煤矿机械有限责任公司 | Two-column shielding large-center distance and ultrahigh-working resistance hydraulic support for medium-thickness coal seam |
| CN104695995A (en) * | 2015-03-13 | 2015-06-10 | 中煤北京煤矿机械有限责任公司 | Novel air return way advance support |
| CN105089689A (en) * | 2015-09-14 | 2015-11-25 | 金川 | Self-closed hydraulic support of high-temperature fully mechanized coal mining working face |
| CN110307026A (en) * | 2019-07-02 | 2019-10-08 | 重庆市能源投资集团科技有限责任公司 | A kind of lift bottom method of hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING JIANG TONG MACHINERY CO., LTD. Free format text: FORMER OWNER: CHONGQING DAJIANG INDUSTRY (GROUP) CO., LTD. Effective date: 20090828 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090828 Address after: Technical center, 107 headquarters building, fishing cave Town, Banan District, Chongqing, China: 401320 Patentee after: Chongqing Jiangtong Machinery Co., Ltd. Address before: Chongqing Dajiang industry (Group) Co., Ltd. Dajiang Industrial Park, Banan District, Chongqing City, China, postcode 401320 Patentee before: Chongqing Dajiang Industries (Group) Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: CHONGQING DAJIANG INDUSTRY CO., LTD. Free format text: FORMER OWNER: CHONGQING JIANGTONG MACHINERY CO., LTD. Effective date: 20100514 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 401320 TECHNOLOGY CENTER, HEADQUARTERS BUILDING, NO.107, YUTONG TOWN, BANAN DISTRICT, CHONGQING CITY. TO: 401321 DAJIANG INDUSTRIAL PARK, BANAN DISTRICT, CHONGQING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100514 Address after: 401321 Dajiang Industrial Zone, Banan District, Chongqing Patentee after: Chongqing Dajiang Industrial Co., Ltd. Address before: 401320 technical center, 107 headquarters building, fishing cave Town, Banan District, Chongqing Patentee before: Chongqing Jiangtong Machinery Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHONGQING DAJIANG XINDA VEHICLE LIMITED COMPANY Assignor: Chongqing Dajiang Industrial Co., Ltd. Contract record no.: 2013500000004 Denomination of utility model: Overlarge mining height hydraulic support Granted publication date: 20090304 License type: Exclusive License Record date: 20130320 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20170610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |