CN102042024B - Advanced support bracket for sliding top beam - Google Patents
Advanced support bracket for sliding top beam Download PDFInfo
- Publication number
- CN102042024B CN102042024B CN2010105580912A CN201010558091A CN102042024B CN 102042024 B CN102042024 B CN 102042024B CN 2010105580912 A CN2010105580912 A CN 2010105580912A CN 201010558091 A CN201010558091 A CN 201010558091A CN 102042024 B CN102042024 B CN 102042024B
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- China
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- back timber
- frame
- sliding type
- mine roof
- type cap
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Abstract
The invention discloses an advance support bracket for a sliding top beam. The advance support bracket comprises two groups of parallel basic brackets and back brackets, wherein the basic brackets have reverse four-connecting-rod support structures; the two types of brackets are connected with each other through a push jack which is arranged on a base; a top beam of the advance support bracket for the sliding top beam has a composite structure; each top beam of the basic brackets comprises a basic bracket top beam, the sliding top beam and a telescopic beam; a groove is formed in the middle of the top beam of each basic bracket along the lengthways direction; the sliding top beam is arranged in the groove; and the lower part of the groove is provided with a hydraulic elevating mechanism. The device can realize good lap joint of equipment at the intersection between an acting surface and a transportation roadway and safe support of a top plate, can meet the requirement on quick propelling and meets the requirements on high yield and high efficiency of a modern mine.
Description
Technical field
The present invention relates to a kind of lame advanced supporting rack, relate in particular to a kind of sliding type cap for supporting mine roof advance support rack.
Background technology
Lame advanced supporting rack is the employed support in the junction of fully-mechanized mining working and crossheading.It mainly acts on is to realize the supporting of termination, tunnel top board and transporter is provided and the elevating conveyor overlap joint, makes the supporting of entire working surface and propelling be able to carry out smoothly safely.Present each big coal mine roadway advance timbering has at home obtained using widely, and mostly advance support rack commonly used is two one group structure.Entire bracket is enough become by multicomponent body frame.Section articulated back timber and the understructures of adopting on the overall structure, mostly linkage is the reverse-four-link-bar structure more.Advance timbering is progressively applied in the process in the tunnel, shows some shortcomings and defective gradually, and FAQs is following:
1. because the characteristics of advance support rack working method determine that when shelf was passed forward, back timber must break away from top board.After back timber breaks away from top board, can produce the sky top of big distance,, destroy top board easily, be unfavorable for safety in production repeatedly to the top board ringing.Though the way of sliding advance of support is arranged at present, and it is unreliable to implement, and back timber also must break away from top board when the situation lower carriage that runs into the top board big rise and fall moves.
2. the advance support rack of two commonly used one group of forms, by about two form, poor aspect the stability of entire bracket.Especially under the condition with higher of tunnel, under the situation of back timber and top board disengaging, though there is the frame of accent jack to retrain on the back timber, reasons such as the fluctuating of base plate are easy to cause along with the propelling of support the generation of inclined to one side frame situation.
Summary of the invention
Of the present invention designing and developing mainly is to solve the tunnel advance timbering in the passing process, faces the problem that produces the empty top of big distance.In the design, adopt the sliding structure of back timber, make set cap not break away from top board all the time, thereby avoid the lie top, reduced destruction to top board, effectively safe and efficient production can be realized in the supporting tunnel.
The purpose of this invention is to provide a kind of novel sliding type cap for supporting mine roof advance support rack.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:
A kind of sliding type cap for supporting mine roof advance support rack comprises side by side two groups of basic framves and after-frame, and basic frame is a reverse-four-link-bar brace type structure, and two kinds of supports are connected by the passing jack that is installed on the base, installs round-link chain additional before passing jack; Wherein each support comprises base and back timber, connecting rod, cant beam.The accent frame jack that connects usefulness is installed on the back timber; Said after-frame includes left frame and right frame, and left frame and right frame are that symmetrical structure, support form are support shield type, and left frame and right frame have included after-frame back timber, after-frame base and caving shield; After-frame back timber and after-frame base are the segmentation articulated structure, and the caving shield both sides are connected with the anti-coal plate of caving shield, and the caving shield afterbody is connected with and protects tailgate; It is characterized in that: the back timber of sliding type cap for supporting mine roof advance support rack is a composite construction; Basic each back timber of frame comprises basic frame back timber, sliding type cap for supporting mine roof, extensible canopy, and basic frame back timber middle part forms a groove along its length direction, and a sliding type cap for supporting mine roof is installed in groove; And hydraulicefficiency elevation structure is set in the groove bottom; The cylinder body of hydraulicefficiency elevation structure is fixed on the bottom of basic frame back timber, and hydraulicefficiency elevation structure passes basic frame back timber and links to each other with the sliding type cap for supporting mine roof bottom, on the sidewall of basic frame back timber, is connected with the slippage jack; The cylinder body of slippage jack is fixed on the sidewall of basic frame back timber; The piston rod end of slippage jack is connected in sliding type cap for supporting mine roof and stretches out on the part of basic frame back timber, and sliding type cap for supporting mine roof is a cavity body structure, and extensible canopy is connected in the cavity of sliding type cap for supporting mine roof through the extensible canopy jack.After the whole back timber assembling, sliding type cap for supporting mine roof can not only slide in the groove of back timber smoothly, and can also in groove, carry out the up-down of certain altitude by hydraulicefficiency elevation structure.
Above-mentioned a kind of sliding type cap for supporting mine roof advance support rack; It is characterized in that: the sliding type cap for supporting mine roof bottom has the guide rail of cross section for " worker " font; The piston head of hydraulicefficiency elevation structure is fixed on the location-plate through pin, location-plate top inwardly turnover and with the clamping of guide rail lower plate; Bearing also is installed in the location-plate, and guide rail support is on bearing; The both sides of the contact surface of extensible canopy and sliding type cap for supporting mine roof also are designed with guide rail in the longitudinal direction.
When after-frame, when basic frame is subjected to displacement with work plane, through the up-down of sliding type cap for supporting mine roof and the reach of reach and extensible canopy, can realize top board all the period of time support, and can not occur the protection disappearance between the support body, improved safety greatly.
The sliding type cap for supporting mine roof advance support rack mainly is applicable to the supporting of all kinds of work plane crossheading top boards and the quick passing and correct overlap joint of elevating conveyor and face conveyor.Can satisfy the high progress of work plane, fast requirement of passing, have voluntarily functions such as move forward, transfer slides, the alignment of elevating conveyor passing direction, guarantee the good linking of the unobstructed and equipment of crossheading transportation, reprinting.Can satisfy and advance the above instructions for use of 10m work plane day.This support is power with the high-pressure emulsion, and the pumping plant outlet pressure is 31.5MPa, the pressure that can adopt the work plane pumping plant to provide.
1. the sliding type cap for supporting mine roof advance support rack is the roof timbering equipment of junction between stage loader and face conveyor.This equipment can be realized work plane and the roof safety supporting of transportation lane intersection, and the equipment overlap joint is provided, and is applicable to the high-yield and high-efficiency work plane, satisfies the fast needs that advance, and fast from moving, has realized quick passing along with the quick propelling of work plane;
2. have voluntarily reach, elevating conveyor and pass the direction alignment, prevent function such as the empty top of supporting, guarantee unobstructed and the good linking that the crossheading transportation is reprinted, can satisfy the instructions for use more than the work plane day propelling 10m;
3, can realize the face of doing and the good overlap joint that transports lane intersection equipment and the safety support of top board, can realize the fast needs that advance again, satisfy the demand of modernized mine high-yield and high-efficiency.
Below in conjunction with accompanying drawing and embodiment the present invention is done explanation further.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of the back timber of basic frame among Fig. 1.
Fig. 3 is the A-A cross-sectional schematic of Fig. 2.
Fig. 4 is the sketch map of the back timber of duty.
Fig. 5 is the sketch map of the back timber of preceding shifting state.
In the accompanying drawing:
1, basic frame 2, pass jack 3, basic frame back timber 4, after-frame 5, after-frame back timber 6, caving shield 7, the anti-coal plate 8 of caving shield, protect tailgate 9, sliding type cap for supporting mine roof 10, slippage jack 11, flexible jack 12, extensible canopy 13, hydraulicefficiency elevation structure 14, guide rail 15, bearing 16, location-plate
The specific embodiment
Embodiment 1
A kind of sliding type cap for supporting mine roof advance support rack shown in accompanying drawing 1-5; Comprise basic frame 1 of side by side two groups and after-frame 4; Basic frame 1 is a reverse-four-link-bar brace type structure, and two kinds of supports are connected by the passing jack 2 that is installed on the base, installs round-link chain additional before the passing jack; Wherein each support comprises base and back timber, connecting rod, cant beam.The accent frame jack that connects usefulness is installed on the back timber; Said after-frame includes left frame and right frame, and left frame and right frame are that symmetrical structure, support form are support shield type, and left frame and right frame have included after-frame back timber 5, after-frame base and caving shield 6; After-frame back timber 5 is the segmentation articulated structure with the after-frame base, and caving shield 6 both sides are connected with the anti-coal plate 7 of caving shield, and the caving shield afterbody is connected with and protects tailgate 8; The back timber of sliding type cap for supporting mine roof advance support rack is a composite construction; Basic each back timber of frame comprises basic frame back timber 3, sliding type cap for supporting mine roof 9, extensible canopy 12, and basic frame back timber 3 middle parts form a groove along its length direction, and a sliding type cap for supporting mine roof is installed in groove; And hydraulicefficiency elevation structure 13 is set in the groove bottom; The cylinder body of hydraulicefficiency elevation structure 13 is fixed on the bottom of basic frame back timber 3, and hydraulicefficiency elevation structure 13 passes basic frame back timber and links to each other with sliding type cap for supporting mine roof 9 bottoms, on the sidewall of basic frame back timber 3, is connected with slippage jack 10; The cylinder body of slippage jack 10 is fixed on the sidewall of basic frame back timber 3; The piston rod end of slippage jack 10 is connected in sliding type cap for supporting mine roof 9 and stretches out on the part of basic frame back timber 3, and sliding type cap for supporting mine roof 9 is a cavity body structure, and extensible canopy 12 is connected in the cavity of sliding type cap for supporting mine roof 9 through extensible canopy jack 11.Sliding type cap for supporting mine roof 9 bottoms have the cross section and are the guide rail of " worker " font, and the piston head of hydraulicefficiency elevation structure is fixed on the location-plate 16 through pin, location-plate 16 tops inwardly turnover and with the clamping of guide rail lower plate; Bearing 15 also is installed in the location-plate 16, and guide rail support is on bearing 15; The both sides of the contact surface of extensible canopy and sliding type cap for supporting mine roof also are designed with guide rail in the longitudinal direction.
Claims (2)
1. sliding type cap for supporting mine roof advance support rack; Comprise side by side two groups of basic framves (1) and after-frame (4); Basic frame (1) is a reverse-four-link-bar brace type structure, and two kinds of supports are connected by the passing jack (2) that is installed on the base, installs round-link chain additional before the passing jack; Wherein each support comprises base and back timber, connecting rod, cant beam; The accent frame jack that connects usefulness is installed on the back timber; Said after-frame includes left frame and right frame; Left side frame and right frame are that symmetrical structure, support form are support shield type, and left frame and right frame have included after-frame back timber (5), after-frame base and caving shield (6), and after-frame back timber (5) is the segmentation articulated structure with the after-frame base; Caving shield (6) both sides are connected with the anti-coal plate (7) of caving shield; The caving shield afterbody is connected with and protects tailgate (8), it is characterized in that: the back timber of sliding type cap for supporting mine roof advance support rack is a composite construction, and basic each back timber of frame comprises basic frame back timber (3), sliding type cap for supporting mine roof (9), extensible canopy (12); Basic frame back timber (3) middle part forms a groove along its length direction; One sliding type cap for supporting mine roof is installed in groove, and in the groove bottom hydraulicefficiency elevation structure (13) is set, the cylinder body of hydraulicefficiency elevation structure (13) is fixed on the bottom of basic frame back timber (3); Hydraulicefficiency elevation structure (13) passes basic frame back timber and links to each other with sliding type cap for supporting mine roof (9) bottom; On the sidewall of basic frame back timber (3), be connected with slippage jack (10), the cylinder body of slippage jack (10) is fixed on the sidewall of basic frame back timber (3), and the piston rod end of slippage jack (10) is connected in sliding type cap for supporting mine roof (9) and stretches out on the part of basic frame back timber (3); Sliding type cap for supporting mine roof (9) is a cavity body structure, and extensible canopy (12) is connected in the cavity of sliding type cap for supporting mine roof (9) through extensible canopy jack (11); After the whole back timber assembling, sliding type cap for supporting mine roof can not only slide in the groove of back timber smoothly, and can also in groove, carry out the up-down of certain altitude by hydraulicefficiency elevation structure.
2. a kind of sliding type cap for supporting mine roof advance support rack according to claim 1; It is characterized in that: sliding type cap for supporting mine roof (9) bottom has the guide rail of cross section for " worker " font; The piston head of hydraulicefficiency elevation structure is fixed on the location-plate (16) through pin, location-plate (16) top inwardly turn down and with the clamping of guide rail lower plate; Bearing (15) also is installed in the location-plate (16), and guide rail support is on bearing (15); The both sides of the contact surface of extensible canopy and sliding type cap for supporting mine roof also are designed with guide rail in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105580912A CN102042024B (en) | 2010-11-13 | 2010-11-13 | Advanced support bracket for sliding top beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105580912A CN102042024B (en) | 2010-11-13 | 2010-11-13 | Advanced support bracket for sliding top beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042024A CN102042024A (en) | 2011-05-04 |
| CN102042024B true CN102042024B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105580912A Expired - Fee Related CN102042024B (en) | 2010-11-13 | 2010-11-13 | Advanced support bracket for sliding top beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102042024B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510971A (en) * | 2013-10-24 | 2014-01-15 | 枣庄矿业（集团）有限责任公司柴里煤矿 | Telescopic forepoling bar |
| CN105545336B (en) * | 2016-03-07 | 2018-02-23 | 山东科技大学 | Driving face longeron interlocks brace type gib method |
| CN210164495U (en) * | 2018-10-24 | 2020-03-20 | 四川芙蓉集团宜宾嘉业机械制造有限责任公司 | Embedded coupling type self-moving forepoling |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889475A (en) * | 1973-01-26 | 1975-06-17 | Gullick Dobson Ltd | Mine roof supports |
| DE202005007257U1 (en) * | 2005-05-03 | 2005-07-07 | Maschinenfabrik Glückauf GmbH & Co. KG | Expansion rack for an underground track |
| CN200999626Y (en) * | 2007-01-25 | 2008-01-02 | 郑州煤矿机械集团有限责任公司 | Telescopic girder used for hydraulic support top beam |
| CN101353966A (en) * | 2008-09-26 | 2009-01-28 | 北京京煤集团有限责任公司液压支架厂 | Assembled support |
| CN201314238Y (en) * | 2008-12-11 | 2009-09-23 | 枣庄矿业（集团）有限责任公司第二机械厂 | Great mining height hydraulic bracket for top coal caving |
| CN201857985U (en) * | 2010-11-13 | 2011-06-08 | 枣庄矿业（集团）有限责任公司第二机械厂 | Sliding roof beam advance timbering support |
-
2010
- 2010-11-13 CN CN2010105580912A patent/CN102042024B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889475A (en) * | 1973-01-26 | 1975-06-17 | Gullick Dobson Ltd | Mine roof supports |
| DE202005007257U1 (en) * | 2005-05-03 | 2005-07-07 | Maschinenfabrik Glückauf GmbH & Co. KG | Expansion rack for an underground track |
| CN200999626Y (en) * | 2007-01-25 | 2008-01-02 | 郑州煤矿机械集团有限责任公司 | Telescopic girder used for hydraulic support top beam |
| CN101353966A (en) * | 2008-09-26 | 2009-01-28 | 北京京煤集团有限责任公司液压支架厂 | Assembled support |
| CN201314238Y (en) * | 2008-12-11 | 2009-09-23 | 枣庄矿业（集团）有限责任公司第二机械厂 | Great mining height hydraulic bracket for top coal caving |
| CN201857985U (en) * | 2010-11-13 | 2011-06-08 | 枣庄矿业（集团）有限责任公司第二机械厂 | Sliding roof beam advance timbering support |
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| Publication number | Publication date |
|---|---|
| CN102042024A (en) | 2011-05-04 |
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Granted publication date: 20121107 Termination date: 20131113 |