CN2189645Y - Special hydraulic supporting rack for temporary supporting of digging head - Google Patents

Special hydraulic supporting rack for temporary supporting of digging head Download PDF

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Publication number
CN2189645Y
CN2189645Y CN 93246365 CN93246365U CN2189645Y CN 2189645 Y CN2189645 Y CN 2189645Y CN 93246365 CN93246365 CN 93246365 CN 93246365 U CN93246365 U CN 93246365U CN 2189645 Y CN2189645 Y CN 2189645Y
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CN
China
Prior art keywords
support
heading
timber
supporting
frame
Prior art date
Application number
CN 93246365
Other languages
Chinese (zh)
Inventor
候友夫
董方庭
邹正龙
Original Assignee
中国矿业大学
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Publication date
Application filed by 中国矿业大学 filed Critical 中国矿业大学
Priority to CN 93246365 priority Critical patent/CN2189645Y/en
Application granted granted Critical
Publication of CN2189645Y publication Critical patent/CN2189645Y/en

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Abstract

The utility model relates to a special hydraulic supporting frame for temporarily supporting heading ends, which is suitable for the anchor net permanent supporting form and is matched with heading machines. The utility model solves the problems that present temporary support and heading machines are not matched, the temporary support and the permanent support are not matched, and the support and the heading operations can not be carried out at the same time. The special hydraulic supporting frame comprises a retractable top beam, retractable support legs and a support frame shifting mechanism. A circulating propelling mode is adopted for frame shift with the frame shitted as a whole to realize the semi-mechanical temporary support under the condition that heading machines don't stop working basically and the basically parallel action of the heading and the support processes, and the utility model has the advantages of no repeated support for top plates, favorable suitability for various conditions of top plates, simple structure, and reliable performance.

Description

The utility model relates to a kind of excavation support, and a kind of suitable anchor net permanent support form of more specifically saying so is with the supporting extraordinary hydraulic support of heading end temporary lining of comprehensive tunneler.
Numerous advantages based on bolting with wire mesh; promoting the use of the bolting with wire mesh form in development heading is a present direction; but in the practice process; because temporary lining at present and comprehensive tunneler tool do not match; temporary lining and permanent support do not match; supporting can not parallel operations with driving; the development machine that needs in the tunneling process to stop carries out manual temporary lining; cause downtime long; the time availability of development machine is quite low, can not give full play to the benefit of development machine, and driving speed is slow; cause certain difficulty for applying of bolting with wire mesh, therefore press for and solve the quick supporting falsework that makes driving and supporting parallel operations.
For carrying out temporary lining fast, make supporting and the problem of tunneling the energy parallel operations, all carried out number of research projects both at home and abroad, the former Soviet Union once reported with many monomer falseworks and carried out the step type supporting, promptly form a support unit with a crossbeam and two hydraulic props, hinged per two supports in front and back then with oil cylinder, after first reach, second moves on to original first position, and the 3rd moves on to original second position, go down with this, entire bracket has moved forward a step, can accomplish driving and supporting parallel operations like this, but because heading end needs the distance of supporting longer, and the stroke that support is taken a step is shorter, it is big to move the frame workload, and this support can make top board be subjected to repeatedly repeating supporting, and makes roof destruction serious, brings very big difficulty for later permanent support.The inferior Buddhist nun of Austria A Er company forms U type support with five sections π shaped steel and two hinged oil cylinders, transfer device is installed on development machine, support reach is passed on realization by the support transfer device, this support only is fit to the tunnel of U type support as support form, and development machine work easily causes mutual interference mutually with the support handover.
Description of drawings:
Accompanying drawing 1a is a structural representation of the present utility model.
Accompanying drawing 1b is the structural representation of another embodiment of the utility model.
Accompanying drawing 2 is vertical arrangement diagrams of the present utility model.
Accompanying drawing 3 is part sectioned views of the present utility model.
The utility model is described in further detail with reference to the accompanying drawings:
With reference to accompanying drawing 1a, shown in the accompanying drawing 3: the extraordinary hydraulic support of a kind of heading end temporary lining has back timber 1, described back timber 1 usefulness shaped steel is made, its two ends are scalable oil cylinder, constitute scalable back timber, above back timber 1, be welded with back timber backplate 2, the angle [alpha] of back timber backplate 2 is specifically determined according to the gradient in tunnel, the hinged support cylinder 3a at the two ends of back timber 1, described support cylinder 3a selects light-duty two-way cylinder for use, according to the cross sectional shape that supports the tunnel, the bearing height of left and right sides support cylinder 3a can be identical or different, forms the support of positive square-section or the tiltedly support of square-section, and side guard board 4 is welded on the side of cylinder block of support cylinder 3a.The support transfer device is made up of rail bracket 5, track 6 and travelling bogie 7, and the support transfer device is enclosed within on the back timber 1 by rail bracket 5, about can doing, move up and down, and fastening devices is arranged.
Intact degree according to back and two nations, an available cushion block 3b replaces support cylinder 3a, shown in accompanying drawing 1b, and the hinged cushion block 3b in the two ends of back timber 1, side guard board 4 is weldingly connected with cushion block 3b, utilizes the side guard board 4 and the frictional force of tunnel two nations to come roof supporting pressure.
Shown in accompanying drawing 2: what it was showed is vertical arrangement diagram of support.Support whenever is spaced a distance and arranges one, and during support, scalable back timber 1 is elongated to the width in tunnel, support cylinder 3a elongation then, and jack-up back timber 1 supports top board, carries out supporting.When moving frame, adopt the circulation propulsion mode, promptly earlier last is moved on to the front, move on to the foremost to second from the bottom then, circulation is carried out successively, move frame and take whole means of transportation by support transfer device 5, its process is for unclamping rail bracket, moving track, grease gun inserts in the fittings body, and support cylinder 3a and back timber 1 are shunk simultaneously, certain distance to be dropped to, two hooks on the travelling bogie hook the suspension ring on the back timber 1, and two people respectively promote an oil cylinder and turn over certain angle then, and the promotion support is advanced to supporting position, front and carries out supporting.
The falsework that can carry out quick supporting of domestic present use also all is to adopt step type, and wherein representative totally three kinds: a kind of is many step-type supports that interim support unit form similar with the former Soviet Union; Another kind is a two-part falsework before and after being divided into, and when moving frame, is supported by latter half earlier, and first half moves frame, and then is supported by first half, and latter half moves frame, and its character still belongs to step type and supports; Also having a kind of is the frame formula, sets up a frame exactly as falsework on development machine, and development machine and falsework are integrated, and development machine moves, and frame and then moves.More than three kinds of falseworks all have the weakness that repeats to support often, and all be to be the tunnel of metallic support supporting at the permanent support form, can not be applied to the digging laneway that permanent support is a bolting with wire mesh.
The purpose of this utility model is in order to solve the speedy drivage temporary lining problem that permanent support is the bolting with wire mesh form, developed a kind of suitable anchor net permanent support form therefrom, supporting with existing development machine, the extraordinary hydraulic support of the heading end temporary lining of realization speedy drivage.
The purpose of this utility model can realize in the following manner: the extraordinary hydraulic support of a kind of heading end temporary lining, comprise back timber, with hinged supporting leg and the support transfer device in back timber two ends.Back timber is the scalable back timbers in two ends, form by the telescopic oil cylinder of beam body and two ends, welding one back timber backplate on the beam body, supporting leg is made up of support cylinder and side guard board, the cylinder body of side guard board and support cylinder is weldingly connected, and the support transfer device is made up of rail bracket, track and travelling bogie, and rail bracket is enclosed within on the back timber, about can doing, move up and down, and fastening devices is arranged.
The utility model compared with prior art, have following characteristics: 1. with the tunnel of bolting with wire mesh as permanent support, supporting with existing development machine, realization does not stop the semi-mechanization temporary lining under the development machine situation basically, accomplishes driving and the substantially parallel operation of supporting; 2. top board is not had repeatedly and support, top board is complete, adapts to various top board conditions preferably; 3. temporary lining and bolting with wire mesh form streamlined production line; 4. adapt to the China's coal-mine situation, simple and practical, dependable performance, not overhaul in a year.

Claims (3)

1, a kind of suitable anchor net permanent support form, with the supporting extraordinary hydraulic support of heading end temporary lining of development machine, comprise back timber (1) and supporting leg, it is characterized in that: back timber (1) is the scalable back timber in two ends, form by the telescopic oil cylinder of beam body and two ends, back timber backplate (2) is welded on Liang Tishang, what be hinged with the scalable oil cylinder in back timber (1) two ends is supporting leg, supporting leg is made up of support cylinder (3a) and side guard board (4), side guard board (4) is weldingly connected with the cylinder body of support cylinder (3a), and the support transfer device is enclosed within on the back timber (1) by rail bracket.
2, the extraordinary hydraulic support of heading end temporary lining according to claim 1, it is characterized in that: according to the intact degree of back, supporting leg also can be made up of cushion block (3b) and side guard board (4), cushion block (3b) is hinged with the scalable oil cylinder in two ends of back timber (1), and side guard board (4) is weldingly connected with cushion block (3b).
3, the extraordinary hydraulic support of heading end temporary lining according to claim 1 and 2, it is characterized in that: the support transfer device is made up of rail bracket (5), track (6) and travelling bogie (7), and fastening devices is arranged.
CN 93246365 1993-12-02 1993-12-02 Special hydraulic supporting rack for temporary supporting of digging head CN2189645Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93246365 CN2189645Y (en) 1993-12-02 1993-12-02 Special hydraulic supporting rack for temporary supporting of digging head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93246365 CN2189645Y (en) 1993-12-02 1993-12-02 Special hydraulic supporting rack for temporary supporting of digging head

Publications (1)

Publication Number Publication Date
CN2189645Y true CN2189645Y (en) 1995-02-15

Family

ID=33819068

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 93246365 CN2189645Y (en) 1993-12-02 1993-12-02 Special hydraulic supporting rack for temporary supporting of digging head

Country Status (1)

Country Link
CN (1) CN2189645Y (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101864975A (en) * 2010-06-04 2010-10-20 中煤北京煤矿机械有限责任公司 Rear frame-to-front frame type continuous supporting advanced frame and frame moving method thereof
CN101871354A (en) * 2010-06-04 2010-10-27 中煤北京煤矿机械有限责任公司 Large-step continuous supporting type forepole and forepole moving method thereof
CN102322281A (en) * 2011-06-18 2012-01-18 张春生 Tunnel quick-tunneling advance support integrated device
CN103382844A (en) * 2013-07-15 2013-11-06 郑东风 Temporary support and permanent support parallel operation excavating technology and equipment for tracked hydraulic combined support
CN103758522A (en) * 2014-01-23 2014-04-30 郑东风 Temporary support method of tunneling working face and equipment thereof
CN104179517A (en) * 2014-09-03 2014-12-03 兖矿集团有限公司 Tunneling support system and roadway support method
CN105201536A (en) * 2015-08-31 2015-12-30 中国矿业大学 Self-moving whole-section advanced supporting equipment
CN105697013A (en) * 2016-03-31 2016-06-22 中国矿业大学(北京) Contractible temporary support for tunneling tunnel
CN105804777A (en) * 2016-04-12 2016-07-27 安徽省宿州市龙华机械制造有限公司 Anti-side pressure guide rail sliding mechanism for advanced hydraulic support

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101864975A (en) * 2010-06-04 2010-10-20 中煤北京煤矿机械有限责任公司 Rear frame-to-front frame type continuous supporting advanced frame and frame moving method thereof
CN101871354A (en) * 2010-06-04 2010-10-27 中煤北京煤矿机械有限责任公司 Large-step continuous supporting type forepole and forepole moving method thereof
CN101864975B (en) * 2010-06-04 2012-06-27 中煤北京煤矿机械有限责任公司 Rear frame-to-front frame type continuous supporting advanced frame and frame moving method thereof
CN102322281A (en) * 2011-06-18 2012-01-18 张春生 Tunnel quick-tunneling advance support integrated device
CN103382844A (en) * 2013-07-15 2013-11-06 郑东风 Temporary support and permanent support parallel operation excavating technology and equipment for tracked hydraulic combined support
WO2015007133A1 (en) * 2013-07-15 2015-01-22 郑东风 Temporary supporting and permanent supporting parallel operation excavating technology for crawler-type hydraulic combination bracket and equipment using same
CN103382844B (en) * 2013-07-15 2015-09-30 郑东风 A kind of tracked hydraulic sectional shelf-unit temporary lining and permanent support parallel operations piercing technique and equipment
CN103758522A (en) * 2014-01-23 2014-04-30 郑东风 Temporary support method of tunneling working face and equipment thereof
CN104179517A (en) * 2014-09-03 2014-12-03 兖矿集团有限公司 Tunneling support system and roadway support method
CN105201536A (en) * 2015-08-31 2015-12-30 中国矿业大学 Self-moving whole-section advanced supporting equipment
CN105697013A (en) * 2016-03-31 2016-06-22 中国矿业大学(北京) Contractible temporary support for tunneling tunnel
CN105804777A (en) * 2016-04-12 2016-07-27 安徽省宿州市龙华机械制造有限公司 Anti-side pressure guide rail sliding mechanism for advanced hydraulic support

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