CN201391321Y - Large-dig-angle low-level caving hydraulic support - Google Patents
Large-dig-angle low-level caving hydraulic support Download PDFInfo
- Publication number
- CN201391321Y CN201391321Y CN200920020724U CN200920020724U CN201391321Y CN 201391321 Y CN201391321 Y CN 201391321Y CN 200920020724 U CN200920020724 U CN 200920020724U CN 200920020724 U CN200920020724 U CN 200920020724U CN 201391321 Y CN201391321 Y CN 201391321Y
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- base
- back timber
- angle low
- large inclination
- hydraulic bracket
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Abstract
The utility model discloses a large-dip-angle low-level caving hydraulic support which belongs to the field of coal mine equipment, and comprises a top beam and a base; the top beam and the base are connected by a vertical column; the front end of top beam is provided with a front beam, and the rear end is provided with a shield beam; the shield beam and the base are connected by a front connecting rod and a rear connecting rod; the lower end of the shield beam is pin-jointed with a tail beam; a plug board is arranged in the tail beam; a pushing mechanism is arranged in the base; the pushing mechanism comprises a push rod; the front end of the front beam is provided with a shield plate; a flexible coal blocking curtains are arranged on both sides below the top beam; and a shifting anti-drift mechanism is arranged between the top beam and the base. Compared with the prior hydraulic support, the large-dig-angle low-level caving hydraulic support has the advantages of good stability, strong torsion resistant capacity, high safety performance and the like.
Description
Technical field
The utility model 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.
The utility model content
The purpose of this utility model is to provide a kind of large inclination-angle low-position top coal hydraulic bracket, and it is compared with existing hydraulic support, has good stability, and anti-twisting property is strong, advantages such as safety height.
The technical solution adopted in the utility model 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 beneficial effects of the utility model are: 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 the utility model patent;
Fig. 2 is that rack device and rear portion anti-skid structure schematic diagram are transferred in the bottom of the utility model patent;
Fig. 3 is the anti-drift of the passing structural representation of the utility model patent;
Fig. 4 is the anterior shoe schematic diagram of the utility model patent.
The specific embodiment
Below in conjunction with accompanying drawing the utility model 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 described in the utility model and rear portion, can prevent effectively that the rear portion conveyer from gliding automatically under the high inclination-angle situation.
Hydraulic support described in the utility model 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 utility model is not specifically addressed all can adopt prior art.
Certainly, protection domain of the present utility model is not limited to the foregoing description, so long as those of ordinary skill in the art, according to the utility model done without creatively improving, just should be within the utility model protection domain.
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 |
|---|---|---|---|
| CN200920020724U CN201391321Y (en) | 2009-04-09 | 2009-04-09 | Large-dig-angle low-level caving hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920020724U CN201391321Y (en) | 2009-04-09 | 2009-04-09 | Large-dig-angle low-level caving hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391321Y true CN201391321Y (en) | 2010-01-27 |
Family
ID=41598147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920020724U Expired - Lifetime CN201391321Y (en) | 2009-04-09 | 2009-04-09 | Large-dig-angle low-level caving hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391321Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383817A (en) * | 2011-10-13 | 2012-03-21 | 兖州煤业股份有限公司 | Hydraulic bracket for top coal discharging in low position |
| CN101526004B (en) * | 2009-04-09 | 2012-03-28 | 山东科技大学 | Large inclination-angle low-position top coal hydraulic bracket |
| CN104265360A (en) * | 2014-09-12 | 2015-01-07 | 洛阳金马电气科技有限公司 | Displacement device of suspension bracket working face scraper |
| CN105089689A (en) * | 2015-09-14 | 2015-11-25 | 金川 | Self-closed hydraulic support of high-temperature fully mechanized coal mining working face |
-
2009
- 2009-04-09 CN CN200920020724U patent/CN201391321Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526004B (en) * | 2009-04-09 | 2012-03-28 | 山东科技大学 | Large inclination-angle low-position top coal hydraulic bracket |
| CN102383817A (en) * | 2011-10-13 | 2012-03-21 | 兖州煤业股份有限公司 | Hydraulic bracket for top coal discharging in low position |
| CN102383817B (en) * | 2011-10-13 | 2014-03-12 | 兖州煤业股份有限公司 | Hydraulic bracket for top coal discharging in low position |
| CN104265360A (en) * | 2014-09-12 | 2015-01-07 | 洛阳金马电气科技有限公司 | Displacement device of suspension bracket working face scraper |
| CN105089689A (en) * | 2015-09-14 | 2015-11-25 | 金川 | Self-closed hydraulic support of high-temperature fully mechanized coal mining working face |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100127 Effective date of abandoning: 20090409 |