CN205154215U - Hydraulic support suitable for big inclination coal face - Google Patents
Hydraulic support suitable for big inclination coal face Download PDFInfo
- Publication number
- CN205154215U CN205154215U CN201520963786.7U CN201520963786U CN205154215U CN 205154215 U CN205154215 U CN 205154215U CN 201520963786 U CN201520963786 U CN 201520963786U CN 205154215 U CN205154215 U CN 205154215U
- Authority
- CN
- China
- Prior art keywords
- helical teeth
- mounting groove
- adjustable plate
- back timber
- hydraulic support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a hydraulic support suitable for big inclination coal face, including front -axle beam (1), back timber (2), mutual device (3), stand (4), shielding roof beam (5), connecting rod (6) and base (7) helped, be provided with tilting prevention device between back timber (2) and base (7), tilting prevention device includes pull rod (9 -1), articulated one (9 -2) on the ring, articulated two (9 -3) on the ring, one (9 -4) of regulating plate, counter weight platform (9 -5), weight linear meter (9 -6), balancing weight (9 -7), two (9 -8) of regulating plate and round pin axle (9 -9). The utility model discloses hydraulic support suitable for big inclination coal face has an amount of to empty when the discovery support, and accessible tilting prevention device in time rights the support, can avoid appearing the phenomenon of skidding between hydraulic support and the roof of coal seam through set up antiskid on the back timber simultaneously.
Description
Technical field
The utility model relates to a kind of support, is especially applicable to the hydraulic support of big angle coal face.
Background technology
In China, the geological conditions of ocurrence of coal seam is that the whole world is the most complicated, therefore, the coal winning technology of other local all use in the world can be seen in China at present, moreover, some coal winning technology be China exclusive, other place be can not see in the world.Day by day exhausted along with china natural resources, the coal seam that occurrence condition better, is more as well adopted is fewer and feweri, and at present, China gets more and more to the exploitation of Special Coal Seam, and Special Coal Seam comprises girdle, large-inclination-angle coal bed etc.For big angle coal face, along with the increase of seam inclination, increasing of hydraulic support height, the tendency of toppling over of hydraulic support strengthens, the tendency glided along work plane inclination direction strengthens, and the trend meanwhile, working face conveyor is altered, glided strengthens too.Therefore, for big angle coal face, consider that the anti-skid problem of hydraulic support just seems particularly important.
Utility model content
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, provides a kind of hydraulic support being applicable to big angle coal face.
The utility model is applicable to the hydraulic support of big angle coal face, comprise front-axle beam, back timber, help device, column, caving shield, connecting rod and base mutually, mutual side device is provided with front-axle beam front portion, front-axle beam rear portion is connected with caving shield front portion by back timber, the root of column is arranged on base, the end of column is connected with back timber, and the root of connecting rod is arranged on base rear end, and the end of connecting rod is connected with caving shield rear end, tilting prevention device is provided with between back timber and base, described tilting prevention device comprises pull bar, hinge eyes one, hinge eyes two, adjustable plate one, counterweight platform, weight linear meter, balancing weight, adjustable plate two and bearing pin, adjustable plate two is arranged on pan frontward end, adjustable plate two front portion is provided with fixing hole, inside is provided with cavity, adjustable plate one is inserted in cavity, adjustable plate one is evenly equipped with adjustment hole, bearing pin is inserted in adjustment hole through fixing hole, hinge eyes one is arranged on back timber lower front, it is anterior that hinge eyes two is arranged on adjustable plate one, one end of pull bar is connected with hinge eyes one, the other end of pull bar is connected with hinge eyes two, it is anterior that counterweight platform is arranged on adjustable plate one, weight linear meter is arranged on counterweight platform, balancing weight is plugged on weight linear meter.
Further, back timber top is provided with shoe, described shoe comprises basic unit, basic unit is provided with magnetic board, helical teeth mounting groove, rear helical teeth mounting groove and anti-skid stud mounting groove before basic unit and magnetic board upper surface are provided with, be separately installed with front helical teeth, rear helical teeth and anti-skid stud in front helical teeth mounting groove, rear helical teeth mounting groove and anti-skid stud mounting groove; Described anti-skid stud comprises nail body, nail body upper part is provided with the top mounting groove of hexagon, be provided with top in hexagon top mounting groove inside, describedly toply comprise conical head, hard alloy layer is had in conical head outer wrap, conical head bottom is provided with hexagonal prism, and hexagonal prism plugs in the top mounting groove of hexagon; Support bar is provided with between the arc-shaped inner surface and magnetic board of front helical teeth and rear helical teeth.
Further, elasticity glue-line is enclosed with at front helical teeth and rear helical teeth bag portion.
The advantage that the utility model is applicable to the hydraulic support of big angle coal face is, a certain amount ofly to topple over when discovery support has, by tilting prevention device, timely righting being carried out to support, can avoid occurring skidding between hydraulic support and roof by arranging shoe on back timber simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view that the utility model is applicable to the hydraulic support of big angle coal face.
Fig. 2 is the A portion enlarged drawing that the utility model is applicable to Fig. 1 of the hydraulic support of big angle coal face.
Detailed description of the invention
As shown in drawings, the utility model is applicable to the hydraulic support of big angle coal face, comprise front-axle beam 1, back timber 2, mutually side device 3, column 4, caving shield 5, connecting rod 6 and base 7, it is anterior that mutual side device 3 is provided with front-axle beam 1, front-axle beam 1 rear portion is connected with caving shield 5 front portion by back timber 2, and the root of column 4 is arranged on base 7, and the end of column 4 is connected with back timber 2, the root of connecting rod 6 is arranged on base 7 rear end, and the end of connecting rod 6 is connected with caving shield 5 rear end.
The main actions of hydraulic support rises frame, falls frame, moving conveyor and move frame.These actions are the highly pressurised liquids utilizing emulsion power pack to provide, and have been come by the hydraulic cylinder of hydraulic control difference in functionality.The fluid pressure line of every frame support is all in parallel with work plane main line, forms separately independently hydraulic system.The structure of hydraulic support and hydraulic bracket system must ensure that hydraulic support has the performance adapting to top board change completely.Coal-winning machine adopted one cut dark after, hydraulic support moves forward a step pitch, and the roof that supporting newly comes out, now, roof there is no sinkage, and hydraulic support supports roof with setting load.After this, roof starts broken and sinks or fracture, and hydraulic support load strengthens, until cavity pressure reaches safety valve definite value under column, safety valve discharges, and contracts under column, claims this phenomenon be " allow pressure " phenomenon of hydraulic support.At this moment column is with working resistance supporting roof.
Between back timber 2 and base 7, be provided with tilting prevention device, by arranging tilting prevention device, a certain amount ofly topple over when discovery hydraulic support has, by tilting prevention device, timely righting being carried out to support.Described tilting prevention device comprises pull bar 9-1, hinge eyes one 9-2, hinge eyes two 9-3, adjustable plate one 9-4, counterweight platform 9-5, weight linear meter 9-6, balancing weight 9-7, adjustable plate two 9-8 and bearing pin 9-9, adjustable plate two 9-8 is arranged on base 7 front end, adjustable plate two 9-8 front portion is provided with fixing hole, inside is provided with cavity, adjustable plate one 9-4 is inserted in cavity, adjustable plate one 9-4 is evenly equipped with adjustment hole, bearing pin 9-9 is inserted in adjustment hole through fixing hole, hinge eyes one 9-2 is arranged on back timber 2 lower front, it is anterior that hinge eyes two 9-3 is arranged on adjustable plate one 9-4, one end of pull bar 9-1 is connected with hinge eyes one 9-2, the other end of pull bar 9-1 is connected with hinge eyes two 9-3, it is anterior that counterweight platform 9-5 is arranged on adjustable plate one 9-4, weight linear meter 9-6 is arranged on counterweight platform 9-5, balancing weight 9-7 is plugged on weight linear meter 9-6.Adjustable plate one can be carried out pulling out or retraction being fixed by bearing pin along adjustable plate two according to field condition during adjustment, coordinated by pull bar and form similar leg-of-mutton rock-steady structure, coordinating block can the center of gravity of adjusting pole further, thus prevents hydraulic support from toppling over.
Back timber 2 top is provided with shoe, owing to easily there is the phenomenon that frictional force is skidded not between back timber 2 and roof, therefore shoe is set and carries out solving this problem.Described shoe comprises basic unit 10-1, basic unit 10-1 is provided with magnetic board 10-2, helical teeth mounting groove, rear helical teeth mounting groove and anti-skid stud mounting groove before basic unit 10-1 and magnetic board 10-2 upper surface are provided with, be separately installed with front helical teeth 10-3, rear helical teeth 10-4 and anti-skid stud in front helical teeth mounting groove, rear helical teeth mounting groove and anti-skid stud mounting groove; Described anti-skid stud comprises nail body 10-5, nail body 10-5 top is provided with the top mounting groove of hexagon, be provided with top in hexagon top mounting groove inside, describedly toply comprise conical head 10-6, hard alloy layer is had in conical head 10-6 outer wrap, conical head 10-6 bottom is provided with hexagonal prism 10-7, and hexagonal prism 10-7 plugs in the top mounting groove of hexagon; Between the arc-shaped inner surface and magnetic board 10-2 of front helical teeth 10-3 and rear helical teeth 10-4, be provided with support bar 10-8, be enclosed with elasticity glue-line at front helical teeth 10-3 and rear helical teeth 10-4 bag portion.By shoe being arranged to comprise basic unit 10-1, basic unit 10-1 is provided with magnetic board 10-2, helical teeth 10-3 before basic unit 10-1 and magnetic board 10-2 are provided with, the form of structure of rear helical teeth 10-4 and anti-skid stud, basic unit 10-1 has very strong hardness, can by front helical teeth 10-3, rear helical teeth 10-4 and anti-skid stud are firmly installed, by front helical teeth 10-3, rear helical teeth 10-4 and anti-skid stud increase the frictional force between roof, helical teeth 10-3 simultaneously, rear helical teeth 10-4 and anti-skid stud plug on basic unit 10-1 and magnetic board 10-2 removably, like this, as helical teeth 10-3 before certain or some, rear helical teeth 10-4 and anti-skid stud go out with breakage after, single replacing can be carried out, decrease waste of material.By being provided with magnetic board 10-2 on basic unit 10-1, owing to containing certain ferro element in coal, by the suction of magnetic board 10-2, skidproof effect can be improved further.
Claims (3)
1. one kind is applicable to the hydraulic support of big angle coal face, comprise front-axle beam (1), back timber (2), mutual side device (3), column (4), caving shield (5), connecting rod (6) and base (7), it is characterized in that: help device (3) to be provided with front-axle beam (1) mutually anterior, front-axle beam (1) rear portion is connected with caving shield (5) front portion by back timber (2), the root of column (4) is arranged on base (7), the end of column (4) is connected with back timber (2), the root of connecting rod (6) is arranged on base (7) rear end, the end of connecting rod (6) is connected with caving shield (5) rear end, tilting prevention device is provided with between back timber (2) and base (7), described tilting prevention device comprises pull bar (9-1), hinge eyes one (9-2), hinge eyes two (9-3), adjustable plate one (9-4), counterweight platform (9-5), weight linear meter (9-6), balancing weight (9-7), adjustable plate two (9-8) and bearing pin (9-9), adjustable plate two (9-8) is arranged on base (7) front end, adjustable plate two (9-8) front portion is provided with fixing hole, inside is provided with cavity, adjustable plate one (9-4) is inserted in cavity, adjustable plate one (9-4) is evenly equipped with adjustment hole, bearing pin (9-9) is inserted in adjustment hole through fixing hole, hinge eyes one (9-2) is arranged on back timber (2) lower front, it is anterior that hinge eyes two (9-3) is arranged on adjustable plate one (9-4), one end of pull bar (9-1) is connected with hinge eyes one (9-2), the other end of pull bar (9-1) is connected with hinge eyes two (9-3), it is anterior that counterweight platform (9-5) is arranged on adjustable plate one (9-4), weight linear meter (9-6) is arranged on counterweight platform (9-5), balancing weight (9-7) is plugged on weight linear meter (9-6).
2. the hydraulic support being applicable to big angle coal face according to claim 1, it is characterized in that: back timber (2) top is provided with shoe, described shoe comprises basic unit (10-1), basic unit (10-1) is provided with magnetic board (10-2), basic unit (10-1) and magnetic board (10-2) upper surface are provided with front helical teeth mounting groove, rear helical teeth mounting groove and anti-skid stud mounting groove, in front helical teeth mounting groove, rear helical teeth mounting groove and anti-skid stud mounting groove, are separately installed with front helical teeth (10-3), rear helical teeth (10-4) and anti-skid stud; Described anti-skid stud comprises nail body (10-5), nail body (10-5) top is provided with the top mounting groove of hexagon, be provided with top in hexagon top mounting groove inside, describedly toply comprise conical head (10-6), hard alloy layer is had in conical head (10-6) outer wrap, conical head (10-6) bottom is provided with hexagonal prism (10-7), and hexagonal prism (10-7) plugs in the top mounting groove of hexagon; Support bar (10-8) is provided with between the arc-shaped inner surface and magnetic board (10-2) of front helical teeth (10-3) and rear helical teeth (10-4).
3. the hydraulic support being applicable to big angle coal face according to claim 2, is characterized in that: be enclosed with elasticity glue-line at front helical teeth (10-3) and rear helical teeth (10-4) bag portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963786.7U CN205154215U (en) | 2015-11-30 | 2015-11-30 | Hydraulic support suitable for big inclination coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963786.7U CN205154215U (en) | 2015-11-30 | 2015-11-30 | Hydraulic support suitable for big inclination coal face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154215U true CN205154215U (en) | 2016-04-13 |
Family
ID=55689923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520963786.7U Expired - Fee Related CN205154215U (en) | 2015-11-30 | 2015-11-30 | Hydraulic support suitable for big inclination coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162757A (en) * | 2018-09-04 | 2019-01-08 | 淄博大力矿山机械有限公司 | One kind prevents from toppling over auto-strengthening formula dirt loader |
-
2015
- 2015-11-30 CN CN201520963786.7U patent/CN205154215U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162757A (en) * | 2018-09-04 | 2019-01-08 | 淄博大力矿山机械有限公司 | One kind prevents from toppling over auto-strengthening formula dirt loader |
| CN109162757B (en) * | 2018-09-04 | 2020-10-02 | 淄博大力矿山机械有限公司 | Automatic centralizing rock loader capable of preventing dumping |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205154215U (en) | Hydraulic support suitable for big inclination coal face | |
| CN205154220U (en) | Mine hydraulic support | |
| CN209143557U (en) | Cable drum greasy dirt automatic cleaning apparatus | |
| CN211819473U (en) | Constant-resistance rapid yielding roadway anti-impact hydraulic support | |
| CN211596827U (en) | Retaining wall structure for mine slope treatment | |
| CN209725626U (en) | A kind of mining machinery operation support device | |
| CN211148343U (en) | Auxiliary vertical device of melt mass flow rate tester | |
| CN205154216U (en) | Cover type hydraulic support | |
| CN102587977A (en) | Four-column and double-swing-beam type gangue filling hydraulic support | |
| CN104586094B (en) | Combined file cabinet | |
| CN201232370Y (en) | Detachable trestle frame for slope | |
| CN217025189U (en) | Hydraulic shear type lifter anti-toppling automatic adjusting device | |
| CN202745933U (en) | Four-column double swing beam type gangue-filled hydraulic support | |
| CN202043448U (en) | Combine harvester lower cutting device capable of automatically adapting to mud barrier | |
| CN103089297B (en) | Coal wiper | |
| CN212176584U (en) | Clamping device of building templates | |
| CN205154218U (en) | Hydraulic support with back timber antiskid function | |
| CN203742336U (en) | Sliding wheel assembly | |
| CN202628143U (en) | Four-column suspension swinging beam type gangue filling hydraulic bracket | |
| CN207524609U (en) | A kind of steel pipe unloads stent | |
| CN207144804U (en) | A kind of instrument of foreboard fixed ladder | |
| CN206827590U (en) | A kind of device of automatic blanking | |
| CN205578021U (en) | Hydraulic support with prevent down anti -skidding function | |
| CN211623466U (en) | Roof supporting mechanism convenient to move in coal mine collection operation area | |
| CN205315029U (en) | Hydraulic pressure supports to draw and moves structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |