CN101526004A - Large inclination-angle low-position top coal hydraulic bracket - Google Patents
Large inclination-angle low-position top coal hydraulic bracket Download PDFInfo
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- CN101526004A CN101526004A CN200910020443A CN200910020443A CN101526004A CN 101526004 A CN101526004 A CN 101526004A CN 200910020443 A CN200910020443 A CN 200910020443A CN 200910020443 A CN200910020443 A CN 200910020443A CN 101526004 A CN101526004 A CN 101526004A
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- hydraulic bracket
- large inclination
- position top
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Abstract
The invention discloses a large inclination-angle low-position top coal hydraulic bracket which belongs to the field of coal devices. The large inclination-angle low-position top coal hydraulic bracket comprises a top beam and a base which are connected by an upright post, wherein the front end of the top beam is provided with a front beam, the rear end of the top beam is provided with a shielding beam, the shielding beam is connected with the base by a front connecting rod and a rear connecting rod, the lower end of the shielding beam is articulated with a tail beam, an inserting plate is arranged in the tail beam, a thrust mechanism is arranged in the base and comprises a push rod, the front end of the front beam is provided with a guarding plate, flexible coal shielding curtains are arranged on both lower sides of the top beam, and a thrust excursion-resisting mechanism is arranged between the top beam and the base. Compared with the prior hydraulic bracket, the invention has the advantages of high stability, strong torque resistance, high safety, and the like.
Description
Technical field
The present invention relates to a kind of support apparatus of coal mine fully-mechanized mining face.
Background technology
The seam inclination of China is divided into gentle dip, inclination, high-dipping three classes.Realize that at steep-inclined thick coal seam fully mechanized caving coal need solve the normal propelling problem of working face equipment, comprises the design studies of tilting prevention device, shoe, means for preventing driftage and other auxiliary equipment.Though several types of existing high inclination-angle support have also obtained effect preferably, but also have many weak points: as the patent No. is 200420028463.0 utility model patent, and it can not solve the excessive problem of Bottom Pressure preferably when the exploitation weak seam; The drift phenomenon that can occur push rod when adopting of bowing causes drag conveyor to be overthrown accident; The anti-twisting property of support neither be very sufficient; Equipment and personnel's danger in the support are bigger.
Summary of the invention
The object of the present invention is to provide a kind of large inclination-angle low-position top coal hydraulic bracket, it is compared with existing hydraulic support, has good stability, and anti-twisting property is strong, advantages such as safety height.
The technical solution used in the present invention is: a kind of large inclination-angle low-position top coal hydraulic bracket, comprise back timber and base, be connected by column between back timber and the base, the front end of back timber is provided with front-axle beam, and the rear end of back timber is provided with caving shield, be connected by front and rear connecting rods between caving shield and the base, the lower end of caving shield is hinged with tail boom, is provided with plate in the tail boom, is provided with thrust gear in the base, thrust gear comprises push rod, and the front end of described front-axle beam is provided with face guard; The both sides, below of back timber are provided with flexible Coal-baffle; Between back timber and base, be provided with and pass the anti-mechanism of drifting about.
The anti-drift of above-mentioned passing mechanism comprises and the contacted depression bar jack of push rod, the lower end of depression bar jack contacts with the ball-and-socket that is welded on the push rod upper surface, the upper end and the back timber of depression bar jack are hinged, and the depression bar jack is provided with the flexible reversal valve of control depression bar jack.
Above-mentioned back timber adopts the integral top beam structure.
The bottom of above-mentioned back timber is equipped with side protector and support tilting prevention device.
Above-mentioned base is provided with support shoe and anti-transporter down slide device.
Above-mentioned base adopts underseal formula structure, and the side of base is provided with the guiding beam type and transfers rack device.
Above-mentioned back timber and tail boom are provided with atomization mechanism.
The invention has the beneficial effects as follows: adopt monolithic back timber structure, the side of back timber is provided with flexible Coal-baffle, can effectively protect equipment and personal security; Adopt underseal formula base, reduced floor pressure ratio Air holder, make support have stronger anti-twisting property, the guiding beam type that the base side is provided with transfers rack device well to solve the mining problem of weak seam high inclination-angle caving coal; Between back timber and push rod, be provided with anti-drift mechanism, can prevent effectively that high inclination-angle from bowing the push unit drift that occurs when adopting, drag conveyor by the generation of phenomenons such as overthrowing.
Description of drawings
Fig. 1 is the overall structure schematic diagram of patent of the present invention;
Fig. 2 transfers rack device and rear portion anti-skid structure schematic diagram for the bottom of patent of the present invention;
Fig. 3 is the anti-drift of the passing structural representation of patent of the present invention;
Fig. 4 is the anterior shoe schematic diagram of patent of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail, as shown in Figure 1, a kind of large inclination-angle low-position top coal hydraulic bracket, comprise back timber 1 and base 5, be connected by column 4 between back timber 1 and the base 5, the front end of back timber 1 is provided with front-axle beam 23, the rear end of back timber 1 is provided with caving shield 2, passes through two front rods 9 between caving shield 2 and the base 5, single back link 10 is connected, and the lower end of caving shield 2 is hinged with tail boom 3, be provided with plate 11 in the tail boom 3, be provided with thrust gear 12 in the base 5, thrust gear 12 comprises push rod 16, as shown in Figure 3, push rod 16 and base 5 are connected by oil cylinder, the rear end of push rod 16 and the expansion link of oil cylinder are hinged, and the other end of oil cylinder and base 5 are hinged, and the front end of described front-axle beam 23 is provided with face guard 6, face guard 6 can carry out advance support to top board, prevents the coal wall caving roof fall; The both sides, below of back timber 1 are provided with flexible Coal-baffle 7, can protect workman's personal safety effectively; Between back timber 1 and base 5, be provided with and pass the anti-mechanism of drifting about, as shown in Figure 3, pass the anti-mechanism of drifting about and comprise depression bar jack 18, the lower end of depression bar jack 18 contacts with push rod 16, be placed on freely in the ball-and-socket 17 of push rod 16 upper surfaces, the upper end of depression bar jack 18 is hinged with the connector 19 that is fixed on the back timber 1, has effectively prevented the generation that push unit drifts about, drag conveyor is overthrown phenomenon that high inclination-angle is bowed and occurred when adopting.
Above-mentioned base 5 adopts underseal formula structure, as shown in Figure 2, this structure can reduce floor pressure ratio Air holder, make base that stronger anti-twisting property be arranged, the base side is provided with the guiding beam type and transfers rack device, comprises the accent that the is installed in base 5 inside jack 14 of setting a roof beam in place, the accent jack 14 of setting a roof beam in place can drive and transfers 15 shifted laterallys of setting a roof beam in place, thereby realize the adjusting of frame spacing, make base can adapt to various working environments, especially solved the problem of the high inclination-angle top coal caving of weak seam.Link to each other by anti-down slide device 20 between the conveyer at hydraulic support of the present invention and rear portion, can prevent effectively that the rear portion conveyer from gliding automatically under the high inclination-angle situation.
Hydraulic support of the present invention all connects by anti-skidding jack 22 between every two stands, as shown in Figure 4, is connected by anterior conveyer anti-down slide device 21 between anterior conveyer and support, can effectively prevent the downslide of support and anterior conveyer.
The bottom of the bottom of above-mentioned back timber 1 and tail boom 3 is provided with atomization mechanism 13.
Other parts that the present invention does not specifically address all can adopt prior art.
Certainly, protection scope of the present invention is not limited to the foregoing description, so long as those of ordinary skill in the art, done according to the present invention without creatively improving, just should be within protection domain of the present invention.
Claims (7)
1, a kind of large inclination-angle low-position top coal hydraulic bracket, comprise back timber and base, be connected by column between back timber and the base, the front end of back timber is provided with front-axle beam, and the rear end of back timber is provided with caving shield, be connected by front and rear connecting rods between caving shield and the base, the lower end of caving shield is hinged with tail boom, is provided with plate in the tail boom, is provided with thrust gear in the base, thrust gear comprises push rod, it is characterized in that the front end of described front-axle beam is provided with face guard; The both sides, below of back timber are provided with flexible Coal-baffle; Between back timber and base, be provided with and pass the anti-mechanism of drifting about.
2, a kind of large inclination-angle low-position top coal hydraulic bracket according to claim 1, it is characterized in that the anti-drift of described passing mechanism comprises and the contacted depression bar jack of push rod, the lower end of depression bar jack contacts with the ball-and-socket that is welded on the push rod upper surface, the upper end and the back timber of depression bar jack are hinged, and the depression bar jack is provided with the flexible reversal valve of control depression bar jack.
3, a kind of large inclination-angle low-position top coal hydraulic bracket according to claim 1 and 2 is characterized in that described back timber adopts the integral top beam structure.
4, a kind of large inclination-angle low-position top coal hydraulic bracket according to claim 1 is characterized in that the bottom of described back timber is equipped with side protector and support tilting prevention device.
5, a kind of large inclination-angle low-position top coal hydraulic bracket according to claim 1 is characterized in that described base is provided with support shoe and anti-transporter down slide device.
6, a kind of large inclination-angle low-position top coal hydraulic bracket according to claim 1 is characterized in that described base adopts underseal formula structure, and the side of base is provided with the guiding beam type and transfers rack device.
7, a kind of large inclination-angle low-position top coal hydraulic bracket according to claim 1 is characterized in that described back timber and tail boom are provided with atomization mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100204436A CN101526004B (en) | 2009-04-09 | 2009-04-09 | Large inclination-angle low-position top coal hydraulic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100204436A CN101526004B (en) | 2009-04-09 | 2009-04-09 | Large inclination-angle low-position top coal hydraulic bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101526004A true CN101526004A (en) | 2009-09-09 |
| CN101526004B CN101526004B (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100204436A Expired - Fee Related CN101526004B (en) | 2009-04-09 | 2009-04-09 | Large inclination-angle low-position top coal hydraulic bracket |
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| CN (1) | CN101526004B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562066A (en) * | 2012-01-16 | 2012-07-11 | 袁野 | Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support |
| CN104179501A (en) * | 2014-08-05 | 2014-12-03 | 新疆龙煤能源有限责任公司 | Walking shortwall ploughing type hydraulic support and top coal caving method |
| CN104389599A (en) * | 2014-09-16 | 2015-03-04 | 四川华蓥山广能集团嘉华机械有限责任公司 | Apparent dip scraper conveyor advancing method |
| CN108374660A (en) * | 2018-03-26 | 2018-08-07 | 四川川煤华荣能源股份有限公司 | Face in steep thick coal seam recovery method |
| CN110656963A (en) * | 2019-09-18 | 2020-01-07 | 新疆矿源重工科技有限公司 | N-shaped fully mechanized mining support for steeply inclined coal seam |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4571127A (en) * | 1984-07-11 | 1986-02-18 | Gewerkschaft Eisenhutte Westfalia | Advance mechanism for mine roof support units |
| DE3630579C2 (en) * | 1986-09-09 | 1994-07-14 | Westfalia Becorit Ind Tech | Shield removal frame with a detachable top section between the threshold and the handlebars |
| CN2031036U (en) * | 1988-04-14 | 1989-01-18 | 国营江山机械厂 | Half-load step-following type portable hydraulic support frame |
| CN100365244C (en) * | 2004-02-20 | 2008-01-30 | 郑州煤矿机械集团有限责任公司 | Hydraulic supporter for tunnel digging working face |
| CN2687340Y (en) * | 2004-03-03 | 2005-03-23 | 开滦(集团)有限责任公司机电总厂 | Big-incidence low-position coal-caving hydraulic prop |
| CN201391321Y (en) * | 2009-04-09 | 2010-01-27 | 山东科技大学 | Large-dig-angle low-level caving hydraulic support |
-
2009
- 2009-04-09 CN CN2009100204436A patent/CN101526004B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562066A (en) * | 2012-01-16 | 2012-07-11 | 袁野 | Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support |
| CN102562066B (en) * | 2012-01-16 | 2013-11-13 | 袁野 | Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support |
| CN104179501A (en) * | 2014-08-05 | 2014-12-03 | 新疆龙煤能源有限责任公司 | Walking shortwall ploughing type hydraulic support and top coal caving method |
| CN104389599A (en) * | 2014-09-16 | 2015-03-04 | 四川华蓥山广能集团嘉华机械有限责任公司 | Apparent dip scraper conveyor advancing method |
| CN108374660A (en) * | 2018-03-26 | 2018-08-07 | 四川川煤华荣能源股份有限公司 | Face in steep thick coal seam recovery method |
| CN110656963A (en) * | 2019-09-18 | 2020-01-07 | 新疆矿源重工科技有限公司 | N-shaped fully mechanized mining support for steeply inclined coal seam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101526004B (en) | 2012-03-28 |
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Granted publication date: 20120328 |