CN104141504A - Arch-cross-section roadway tunneling support device - Google Patents
Arch-cross-section roadway tunneling support device Download PDFInfo
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- CN104141504A CN104141504A CN201410342575.1A CN201410342575A CN104141504A CN 104141504 A CN104141504 A CN 104141504A CN 201410342575 A CN201410342575 A CN 201410342575A CN 104141504 A CN104141504 A CN 104141504A
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Abstract
The invention relates to an arch-cross-section roadway tunneling support device, which is integrally of an arch door type structure. A support frame of the arch-cross-section roadway tunneling support device comprises bases (1), wherein an upright post (2) is arranged on each base (1) for supporting the whole support device, the upper part of each upright post (2) is connected with a longitudinal top beam (3), a vertical beam installing seat is arranged on each base, a movable vertical beam sheaths the inside of each vertical beam installing seat, the upper end of each movable vertical beam is hinged to the corresponding top beam, arch support cross beams (4 and 9) are arranged on the top beams (3), a plurality of saddle-shaped parallel beam seats (5) are arranged on the arch support cross beams, a parallel beam (7) is arranged on each saddle-shaped parallel beam seat (5) and supports a roadway top plate, the arch support cross beams of the arch-cross-section roadway tunneling support device are divided into left and right end part cross beams (4) and left and right movable cross beams (9), the left and right end part cross beams are hinged to the cross beam seats of the top beams (3) of the support frame through hinging pin holes (12), the movable cross beams (9) are arranged inside the end part cross beams (4), and position limiting pin shafts are utilized for penetrating through the position limiting pin holes (12) and position limiting openings of the movable cross beams (9) to realize position limiting hinging.
Description
Technical field
The present invention relates to a kind of colliery driving suspension device, entirety is arch door type structure, being particularly related to a kind of section is the colliery driving frame of arch, it can complete all operations of tunnelling by supporting different model development machine jointly, controlroof and the advance support work of roadway head are comprised, can realize and effectively support crowned section, prevent potential safety hazard simultaneously.
Background technology
The general employing of most of coal mine roadway is blown out and is tunneled and mechanical drivage, constantly improving and promoting, the mechanical main direction that has become development of tunneling along with road heading machinery equipment performance.But the human casualty accident in the driving production operation of colliery more than 40% is all the top board class accident occurring in face timbering process.Because tunnelling limited space does not allow the operation of empty top, so driving influences each other with supporting all the time.Owing to not allowing the operation of empty top, must carry out in time supporting, before permanent support, must carry out advance support, and advance support is to affect the progress of excavation operation and safe bottleneck always.
In prior art in arch section tunnel suspension device, owing to all adopting fixing network structure, the tunnel that a set of equipment is only suitable for a kind of form of fracture is used, but the tunnel in a colliery is because function difference need to have different section structures, so the equipment of existing a certain specification cannot meet the whole headwork requirements in colliery, causes equipment overlapping investment; And due to tunnelling construction be difficult to accomplish desirable as construction drawing the top board structure of standard, cause beam in support process, can not reach full section reliably and connect top, cause the top plate portion of the super cutting of part cannot connect to push up and cause wall rock loosening; Change owing to connecing top area, this causes support zone inhomogeneously causes that can to connect the pressure dividing at top excessive, causes secondary to destroy to back country rock simultaneously; Moving in frame process, cannot sliding advance of support, certainly will cause moving the temporary top plate supporting pressure that loses in frame process, thereby can cause roof collapse accident because of wall rock loosening.
The present invention proposes in order to solve the problem that exists in operating type, work flow and the concrete supporting operation of current coal mine roadway driving and unsafe factor.
Summary of the invention
Main purpose of the present invention is under prior art condition, propose a kind of crowned section tunnelling suspension device, it can make tunnelling operation technique flow process more smooth and easy rationally, has not only improved driving split run output, improve the comprehensive utilization ratio of equipment, improved operational security simultaneously.
Crowned section tunnelling suspension device disclosed by the invention is in order to realize its technical requirements, entirety is door type structure, its main body rack comprises the symmetrical base of longitudinally arranging in the left and right sides, on base, there is vertical vertical beam mount pad, the inside cover has movable vertical beam, movable vertical beam upper end and back timber hinged (vertical beam seat and movable vertical beam mechanism also can use quadric chain), on two wing bases along the vertical column that is provided with of tunnel lateral wall, the whole suspension device of upright supports, the column top of both sides is all connected with longitudinal back timber, arching crossbeam is installed on back timber, arching crossbeam is provided with multiple saddle type beam seats, on described saddle type beam seat, beam is longitudinally installed, beam supports back, the arching crossbeam of crowned section tunnelling suspension device is divided into termination, left and right crossbeam and left and right moved cross beam, termination, left and right crossbeam is hinged by the beam seat of hinged pin-and-hole and set cap, in the cross girder of termination, section is hollow-core construction, moved cross beam is arranged on crossbeam inside, termination, can telescopic moving, utilize spacing bearing pin spacing hinged through the limited mouth of limit pin hole and moved cross beam.Between frame, interval is provided with advancing jack, realizes and moves frame operation.
Wherein put in order and fix tentatively as odd number group support and two kinds of supports of even number set support according to installation, every kind of support all comprises multi-section support composition, the multi-section support of described two kinds of supports in the vertical space is arranged, hinged by the moving beam of auxiliary activity between the support beam (11) of the multi-section support of odd number group support, also hinged by the moving beam of auxiliary activity between the support beam (7) of the multi-section support of even number set support, the multi-section support of described two kinds of supports is furnished with advancing jack mechanism at base and back timber place longitudinal separation, can realize and move frame operation.The support beam of two kinds of supports is arranged at mutually even interval in the horizontal at the top of suspension device, thereby make two kinds of supports to move frame separately and do not interfere with each other, move frame after any pack support release time, the beam mechanism of adjacent stent can total head roof supporting.
Wherein left and right moved cross beam is arranged on termination crossbeam inner utilization limit adjusting mechanism and fixes, and the hinged pin-and-hole of termination, left and right crossbeam is slotted hole, and beam seat corresponding to left and right back timber is hinged, and the hinged pin-and-hole of left and right moved cross beam is hinged with bearing pin; Left and right crossbeam (termination crossbeam and moved cross beam) entirety is " people " font arranges, hinged in moved cross beam end, left and right, can effectively improve supporting intensity, increases supporting width.
Wherein be provided with limit adjusting mechanism in the end of termination crossbeam, spacing fixing reliably with moved cross beam, can regulate the crossbeam width of support to meet the requirement of roadway construction width, at the beam seat mounting limit mouth of termination crossbeam and the fluted type of moved cross beam bottom matrix arrangements, can beam seat be installed by alignment pin.
Wherein also comprise the multiple saddle type beam seats for supporting beam, it straddles on crossbeam, utilizes fixing spacer pin and crossbeam limited mouth to come to realize and interfixing between crossbeam; Multiple saddle type beam seats can be according to position difference, can be provided with 5 °, 10 °, 15 °, 20 °, 25 °, 30 ° and adjust the angle of inclination of saddle type beam seat 5 with respect to crossbeam, saddle type beam seat is by beam lifting guide pillar and regulate jack to support beam.
Wherein also comprise that in crowned section tunnelling suspension device, the adjustable beam of saddle type beam seat supports compensation mechanism, be beam Compensation Regulation jack mount pad in a side of saddle type beam seat, Compensation Regulation jack is cross axle form, the shoulder axle of compensation jack is arranged on the side of saddle type beam seat by deck, have fixation clip to be bolted on mount pad; The post alive of compensation jack is connected with beam; Being beam lifting guide peg slideway at the opposite side of saddle type beam seat, is the upper and lower permeable structures of rectangular cross section, and upper and lower opening is oblique angle structure; Beam lifting guide pillar is arranged on the inside; There is outstanding limiting plate beam lifting guide peg lower end, and the upper end hinge hole of guide rod and the auxiliary hinge hole of beam are connected.Be reinforcement gusset in saddle type beam seat upper end, downside has 3 groups of fixed pin holes to be fixed on crossbeam by steady pin; In order to prevent that crossbeam is subject to uneven support force, the adjacent positive and negative installation of saddle type beam seat on every crossbeam.Beam Compensation Regulation mechanism suitably adjusts the position of supporting beam according to roof condition, and connects topmast support force, can make to support the comprehensive secure support top board of beam.
Limit at this, the direction described in the present invention is determined according to colliery direction of advance, in tunnel, is longitudinally along tunnel direction of advance, and in cross section, tunnel, left and right directions is laterally, and vertically short transverse is vertical.
Colliery provided by the invention driving suspension device, not only has the advantages such as supporting performance is good, intensity is high, and advancing velocity is fast, safe and reliable; The most important thing is that it has broken through coal mine roadway and tunneled the interactive limitation of conditioning each other of conventional operation, realized the parallel operations of each operation in the driving of colliery, use the present invention existing tunnelling speed can be improved to 2-3 doubly.Alleviate first-line staff's labour intensity, improved the working environment of whole excavation operation.It can also improve the accuracy of suspension device beam location, and prevents from occurring supporting leak in Bracing Process.Use this cover suspension device, can save advance support link, simultaneously adopt adjustable structure because of it, a set of equipment can meet the use of different crowned sections, simple to operate, has alleviated the overlapping investment of equipment, and has very large technological innovation space.
Brief description of the drawings
Fig. 1 is the section front view of crowned section roadway support device;
Fig. 2 is the partial enlarged drawing of the front view of crowned section roadway support device;
Fig. 3 is the partial side view of crowned section tunnelling suspension device in tunnel;
Fig. 4; For crowned section tunnelling suspension device lateral view partial enlarged drawing;
Fig. 5: be the saddle type beam holder structure figure of crowned section tunnelling suspension device
Fig. 6: for adjustable beam supports compensation mechanism mounting structure figure;
Fig. 7; For termination crossbeam and the moved cross beam structure chart of crowned section tunnelling suspension device
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As depicted in figs. 1 and 2, the support of crowned section roadway support device of the present invention comprises the base 1 that the left and right sides is arranged symmetrically with, on base 1, along both sides, tunnel, the vertical column 2 that is provided with supports whole suspension device respectively, on two wing bases, be also provided with respectively vertical vertical beam seat along both sides, tunnel, vertical movable vertical beam 16 is installed on vertical beam seat, movable vertical beam lower end is stretched in vertical beam seat, movable vertical beam upper end and the back timber 3 being longitudinally arranged symmetrically with along tunnel two side roof parts hinged (vertical beam mechanism also can replace with lanar four rod mechanism); Column 2 upper support have longitudinal back timber 3, and arching crossbeam 4,9 is installed on back timber 3 relatively, and arching crossbeam 4,9 is adjustable structure, and supporting crossbeam in left and right is that " people " font is arranged, hinged in moved cross beam end, left and right; Arching crossbeam is provided with multiple saddle type beam seats 5, on described saddle type beam seat 5, longitudinal beam 7 is installed, and beam 7 supports back.
This cover crowned section tunnelling suspension device is in order to realize its technical requirements, put in order and fix tentatively as odd number group support and two kinds of supports of even number set support according to installation, every kind of support all comprises many groups support as shown in Figure 1, many pack supports of described two kinds of supports are in the vertical as Fig. 2 space is arranged, hinged by auxiliary telescopic beam 17 between the support beam 11 of many pack supports of odd number group support, also hinged by auxiliary telescopic beam between the support beam 7 of many pack supports of even number set support, odd number group support and even number support beam are separately arranged and are independent of each other in lateral separation, many pack supports of described two kinds of supports are provided with thrust gear (being made up of advancing jack+universal joint+bearing pin) in the longitudinal space of base and back timber place, the support beam of two kinds of supports is arranged at mutually even interval in the horizontal at the top of suspension device, thereby make two kinds of supports to move frame separately and do not interfere with each other.
Limit at this, the direction described in the present invention is determined according to tunnel direction of advance, in tunnel, is longitudinally along tunnel direction of advance, and in cross section, tunnel, left and right directions is laterally, and vertically short transverse is vertical.
As shown in Figure 3, the crossbeam of crowned section tunnelling suspension device is divided into termination, left and right crossbeam 4 and left and right moved cross beam 9.Termination, left and right crossbeam is hinged with the beam seat of set cap 3 by hinged pin-and-hole 12, in termination crossbeam 4 bodies, section is hollow rectangle structure, moved cross beam 9 is just arranged on termination crossbeam 4 inside, can telescopic moving, utilize spacing bearing pin spacing hinged through the limited mouth of limit pin hole 12 and moved cross beam 9.The hinged pin-and-hole 13 of termination, left and right crossbeam 4 is slotted hole, can meet the change in displacement of crossbeam.The end (hinged pin-and-hole 13) of crossbeam is 135 ° of angles with termination crossbeam 4, be welded with reinforcement anchor ear at the afterbody of termination crossbeam 4, the beam seat that is provided with row's fluted body at the downside of termination crossbeam 4 is installed positioning port 14, can beam seat be installed by alignment pin.
As shown in Figure 4, crowned section supporting moved cross beam 9 is inserted in the crossbeam of termination, can telescopic moving, and utilize the spacer pin being inserted in face end support limit pin hole to fix with the limited mouth 14 of moved cross beam.Moved cross beam divides left and right two parts, and hinged by hinged pin-and-hole 15 use bearing pins, main beam and articulated section are 135 ° of angles.Downside limited location mouth 14 matrixes at beam body are arranged, and spread length is consistent with termination crossbeam.Have in moved cross beam inside along beam body and move towards the reinforcement gusset of arranging, can increase the intensity of beam body.
As shown in Figure 5, crowned section tunnelling suspension device of the present invention also comprises that saddle type beam seat 5 and adjustable beam support compensation mechanism.Saddle type beam seat 5 adopts and straddles crossbeam 17 (termination crossbeam 4 or moved cross beam 9) above, utilizes between fixing spacer pin and crossbeam limited mouth 14 and crossbeam and realizes and interfixing.For different angles supporting bracket beam, saddle type beam seat 5 can be according to position difference, and the angle of crossbeam and Compensation Regulation jack 19 can be designed with 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, guarantees that beam 7 can vertical support top board.Saddle type beam seat 5 is by beam lifting guide pillar 20 and regulate jack 19 to support beam 7.
The adjustable beam that is as shown in Figure 6 saddle type beam seat 5 in crowned section tunnelling suspension device of the present invention supports compensation mechanism.Be beam Compensation Regulation jack mount pad 23 in a side of saddle type beam seat 5, Compensation Regulation jack 19 be for when the arched tunnel supporting in order to make beam can be abutted against top, compensation connects gap, top, Compensation Regulation jack 19 is cross axle form, the shoulder axle of Compensation Regulation jack is just arranged on the side of saddle type beam seat by deck 24, in order to prevent that jack from coming off, on mount pad 23, there is fixation clip to be bolted.The post alive of compensation jack is connected by the auxiliary hinge hole of pin-and-hole and beam.Being beam lifting guide peg slideway 25 at the opposite side of saddle type beam seat, is the upper and lower permeable structures of rectangular cross section, and upper and lower opening is oblique angle structure; Beam lifting guide peg 20 is just arranged on the inside.There is outstanding limiting plate beam lifting guide peg lower end, and upper end hinge hole and the beam of guide peg are hinged.Be reinforcement gusset 26 in saddle type beam seat upper end, downside has 3 groups of fixed pin holes 27 to be fixed on crossbeam by steady pin.In order to prevent that crossbeam is subject to uneven support force, the adjacent positive and negative installation of saddle type beam seat on every crossbeam.
Respectively there is a beam seat limited mouth at moved cross beam top, left and right, as shown in Figure 1, the support beam at top is used common beam seat to install, two adjacent groups support is according to actual conditions top beam arranged in dislocation, as first top beam is arranged on left moved cross beam, the top beam of second is just arranged on right moved cross beam so.Other beam installation principle of support is also the same, and first support is in the time moving frame like this, and the beam of second support normally connects topmast support, and beam is separately independent of each other.
Above-mentioned specific embodiment is described by example, should be understood that, these embodiment are subject to the impact of different distortion and optional form.It should also be further understood that, claim is not meaned and is limited to disclosed particular form, replaces and optional mode and should cover all distortion, the equivalence that drop in essence of the present invention and scope.
Claims (7)
1. a crowned section tunnelling suspension device, entirety is arch door type structure, its device comprises left and right base (1), base (1) is provided with vertical column, on base (1), there is vertical vertical beam mount pad, the inside cover has movable vertical beam, and movable vertical beam upper end and back timber are hinged; On two wing bases along the vertical column (2) that is provided with of tunnel lateral wall, column (2) supports whole suspension device, column (2) top is connected with longitudinal back timber (3), the upper arching crossbeam (4,9) of installing of back timber (3), arching crossbeam is provided with multiple saddle type beam seats (5), beam (7) is installed on described saddle type beam seat (5), beam (7) supports back, it is characterized in that:
The arching crossbeam of crowned section tunnelling suspension device is divided into termination, left and right crossbeam (4) and left and right moved cross beam (9), termination, left and right crossbeam is hinged with the beam seat of set cap (3) by hinged pin-and-hole (12), in termination crossbeam (4) body, section is hollow-core construction, moved cross beam (9) is arranged on termination crossbeam (4) inside, can regulate according to span length the length of transverse beam assembly, utilize spacing bearing pin spacing hinged through the limited mouth of limit pin hole (12) and moved cross beam (9).
2. a kind of crowned section tunnelling suspension device as claimed in claim 1, longitudinal arrangement is installed in actual use, be not connected with equipment such as development machines, can be divided into odd number group support and even number set support according to the sequence number putting in order, the multi-section support of described two pack supports in the vertical space is arranged, between the support beam (11) of the multi-section support of odd number group support, link together by floor stringer, between the support beam (7) of the multi-section support of even number set support, also link together by floor stringer, the multi-section support of above-mentioned two pack supports is furnished with and moves frame mechanism at base and interval, back timber place, the support beam of two kinds of supports is arranged at mutually even interval in the horizontal at the top of suspension device, be independent of each other, thereby make two kinds of supports to move frame separately and do not interfere with each other, simultaneously in the time that any pack support moves frame, another pack support full section can be abutted against top, guarantee roof safety.
3. a kind of crowned section tunnelling suspension device as claimed in claim 1 or 2, wherein the hinged pin-and-hole (13) of termination, left and right crossbeam (4) is slotted hole, can meet the change in displacement of crossbeam.
4. a kind of crowned section tunnelling suspension device as claimed in claim 1 or 2, is wherein provided with the beam seat mounting limit mouth (14) of row's fluted body at the downside of termination crossbeam (4), can beam seat be installed by alignment pin.
5. a kind of crowned section tunnelling suspension device as claimed in claim 1 or 2, wherein also comprise the multiple saddle type beam seats (5) for supporting beam, it is upper that it straddles crossbeam (4,9), utilizes fixing spacer pin and crossbeam limited mouth (14) to come to realize and interfixing between crossbeam; Saddle type beam seat (5) both sides are separately installed with lifting guide pillar (20) and regulate jack (19), regulate the angle of inclination of jack (19) saddle type beam seat (5) with respect to crossbeam (17), can be provided with 5 °, 10 °, 15 °, 20 °, 25 °, 30 °; Saddle type beam seat (5) is by beam lifting guide pillar (20) and regulate jack (19) to support beam (7).
6. a kind of crowned section tunnelling suspension device as claimed in claim 1 or 2, wherein also comprise that in crowned section tunnelling suspension device, the adjustable beam of saddle type beam seat (5) supports compensation mechanism, be beam compensation jack mount pad (23) in a side of saddle type beam seat (5), regulating jack (19) is cross axle form, the shoulder axle of compensation jack is arranged on the side of saddle type beam seat by deck (24), on mount pad (23), have fixation clip to be bolted; The post alive of compensation jack is connected by the auxiliary hinge hole of pin-and-hole and beam; Being beam lifting guide peg slideway (25) at the opposite side of saddle type beam seat, is the upper and lower permeable structures of rectangular cross section, and upper and lower opening is oblique angle structure; Beam lifting guide pillar (20) is arranged on the inside; There is outstanding limiting plate beam lifting guide pillar lower end, and the upper end hinge hole of guide rod and the auxiliary hinge hole of beam are connected; Be reinforcement gusset (26) in saddle type beam seat upper end, downside has 3 groups of fixed pin holes (27) to be fixed on crossbeam by steady pin; In order to prevent that crossbeam is subject to uneven support force, the adjacent positive and negative installation of saddle type beam seat on every crossbeam.
7. a kind of crowned section tunnelling suspension device as claimed in claim 1, wherein vertical beam seat and movable vertical beam mechanism also can substitute with quadric chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342575.1A CN104141504B (en) | 2014-07-14 | 2014-07-14 | A kind of crowned section tunnelling suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342575.1A CN104141504B (en) | 2014-07-14 | 2014-07-14 | A kind of crowned section tunnelling suspension device |
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| CN104141504A true CN104141504A (en) | 2014-11-12 |
| CN104141504B CN104141504B (en) | 2017-10-03 |
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| CN201410342575.1A Active CN104141504B (en) | 2014-07-14 | 2014-07-14 | A kind of crowned section tunnelling suspension device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489440A (en) * | 2017-08-11 | 2017-12-19 | 淮北矿业（集团）有限责任公司 | Tunnel low-angle lift canopy and hacking shed tunnel low-angle lift canopy method |
| CN110017158A (en) * | 2019-04-26 | 2019-07-16 | 天地科技股份有限公司上海分公司 | Tunnel safety protective cradle |
| CN110388224A (en) * | 2019-08-22 | 2019-10-29 | 国家能源集团宁夏煤业有限责任公司梅花井煤矿 | A kind of step type support system for arched tunnel driving |
| CN113586098A (en) * | 2020-04-30 | 2021-11-02 | 李信斌 | Support equipment capable of being detachably connected |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2801522A (en) * | 1952-02-28 | 1957-08-06 | Kohlenbergban Leitung Deutsche | Mine arch supports |
| KR20080075995A (en) * | 2007-02-14 | 2008-08-20 | 하철용 | Frame for architecture |
| CN201650332U (en) * | 2010-05-15 | 2010-11-24 | 张小康 | Hydraulic supporting device for fully-mechanized coal winning working face |
| CN201972720U (en) * | 2011-01-25 | 2011-09-14 | 四川省华蓥山煤业股份有限公司李子垭南煤矿 | Telescopic flexible shield support |
| CN202215272U (en) * | 2011-08-04 | 2012-05-09 | 郑州四维机电设备制造有限公司 | Support beam assembly used for circulating self-moving forepoling hydraulic support |
| CN202544887U (en) * | 2012-04-26 | 2012-11-21 | 李信斌 | Tunnel self-moving supporting shed |
| CN204492858U (en) * | 2014-07-14 | 2015-07-22 | 霍忠明 | A kind of crowned section tunnelling suspension device |
-
2014
- 2014-07-14 CN CN201410342575.1A patent/CN104141504B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2801522A (en) * | 1952-02-28 | 1957-08-06 | Kohlenbergban Leitung Deutsche | Mine arch supports |
| KR20080075995A (en) * | 2007-02-14 | 2008-08-20 | 하철용 | Frame for architecture |
| CN201650332U (en) * | 2010-05-15 | 2010-11-24 | 张小康 | Hydraulic supporting device for fully-mechanized coal winning working face |
| CN201972720U (en) * | 2011-01-25 | 2011-09-14 | 四川省华蓥山煤业股份有限公司李子垭南煤矿 | Telescopic flexible shield support |
| CN202215272U (en) * | 2011-08-04 | 2012-05-09 | 郑州四维机电设备制造有限公司 | Support beam assembly used for circulating self-moving forepoling hydraulic support |
| CN202544887U (en) * | 2012-04-26 | 2012-11-21 | 李信斌 | Tunnel self-moving supporting shed |
| CN204492858U (en) * | 2014-07-14 | 2015-07-22 | 霍忠明 | A kind of crowned section tunnelling suspension device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489440A (en) * | 2017-08-11 | 2017-12-19 | 淮北矿业（集团）有限责任公司 | Tunnel low-angle lift canopy and hacking shed tunnel low-angle lift canopy method |
| CN107489440B (en) * | 2017-08-11 | 2023-08-15 | 淮北矿业股份有限公司 | Small-angle shed lifting method for roadway and small-angle shed lifting method for shed roadway |
| CN110017158A (en) * | 2019-04-26 | 2019-07-16 | 天地科技股份有限公司上海分公司 | Tunnel safety protective cradle |
| CN110388224A (en) * | 2019-08-22 | 2019-10-29 | 国家能源集团宁夏煤业有限责任公司梅花井煤矿 | A kind of step type support system for arched tunnel driving |
| CN113586098A (en) * | 2020-04-30 | 2021-11-02 | 李信斌 | Support equipment capable of being detachably connected |
| CN113586098B (en) * | 2020-04-30 | 2024-03-29 | 李信斌 | Detachable connection support equipment |
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