CN108798739B - Hydraulic self-moving supporting platform capable of rapidly installing large-scale steel support - Google Patents
Hydraulic self-moving supporting platform capable of rapidly installing large-scale steel support Download PDFInfo
- Publication number
- CN108798739B CN108798739B CN201810783076.4A CN201810783076A CN108798739B CN 108798739 B CN108798739 B CN 108798739B CN 201810783076 A CN201810783076 A CN 201810783076A CN 108798739 B CN108798739 B CN 108798739B
- Authority
- CN
- China
- Prior art keywords
- lifting
- assembly
- stepping
- support
- frame body
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000010276 construction Methods 0.000 claims abstract description 24
- 238000009412 basement excavation Methods 0.000 claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 33
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a hydraulic self-moving support platform capable of quickly mounting a large-scale steel support, which is used in large-section underground excavation construction and comprises a support assembly, a stepping assembly, a lifting assembly and a lifting assembly; the support component is used for supporting the soil pressure of the channel soil after excavation; the stepping assembly is arranged on the supporting assembly, and after one truss support in the supporting assembly is arranged, the stepping assembly moves the supporting platform forwards in a stepping way to the position where the next truss support is arranged; the lifting assembly is arranged on the supporting assembly; the lifting assembly is arranged on the supporting assembly and matched with the lifting assembly, and the upper half part well aligned by the lifting and lifting assembly is supported to the mounting position. Reasonable in design, convenient operation improves work efficiency, guarantees the hydraulic pressure self-moving supporting platform that can install large-scale shaped steel support fast that is used for large-scale section underground excavation construction of construction safety.
Description
Technical Field
The invention belongs to the field of large-section underground excavation construction, and particularly relates to a hydraulic self-moving support platform for large-section underground excavation construction, which can be used for quickly installing a large-scale steel support.
Background
The station body of the station of the rail transit No. 14 line terminal and the bridge station of the Shanghai is an underground two-layer island station, the south end of the station is 100m traversing the Cao family ditch and Wang Guqiao, the station body is of a three-box single-layer structure, the width is 21.99m, the height is 7.2m, and the construction of pipe curtain enclosure and freezing water stop underground excavation is adopted. The excavation structure is a rectangular geometric body of 22.3mX7.7mX100 m, the excavation is carried out according to the pipe curtain freezing zone, the vertical section of the pipe curtain freezing zone is divided into three areas A.B.C, and the excavation size of each area is 7.8X7.7X100 m and 6.7X17.7X100 m. The designed profile steel support is an L-shaped profile steel structure formed by welding HM500×300 profile steel, the single piece is a triangle with the size of 3.9×3.8m, the weight is about 1.3t, the upper half part supports about 2.6t, the lifting height is 7.2m, and the support and excavation section has no margin space, namely no top lifting space. The installation can not be carried out by manpower or traditional machinery.
Disclosure of Invention
According to the condition that the existing construction equipment and method cannot be used for construction, the hydraulic self-moving support platform for the large-scale steel support can be used for quickly installing the large-scale steel support, and is reasonable in design, convenient to operate, capable of improving working efficiency and guaranteeing construction safety.
The invention is realized according to the following technical scheme:
The utility model provides a but hydraulic pressure self-moving supporting platform of large-scale shaped steel support of quick installation, its is arranged in the construction of digging in the large-scale section secretly, and hydraulic pressure self-moving supporting platform includes:
The support assembly is used for supporting the soil pressure of the channel soil after excavation;
The stepping assembly is arranged on the support assembly, and after one truss support in the support assembly is arranged, the stepping assembly moves the support platform forwards in a stepping manner to the position where the next truss support is arranged;
A lifting assembly mounted on the support assembly; and
And the lifting assembly is arranged on the supporting assembly and matched with the lifting assembly, and the upper half part well aligned by the lifting and lifting assembly is supported to the mounting position.
Preferably, the supporting component consists of a supporting frame body, a top oil cylinder, an upper top beam, two groups of side oil cylinders and side joists; the support frame body is welded by section steel I and section steel II to form a double-truss door-shaped steel structure; the cylinder barrel of the top oil cylinder is arranged on the support frame body; the lower plane of an upper top beam formed by the section steel II is connected with a piston rod of a top oil cylinder; the cylinder barrel of the side oil cylinder is arranged on the support frame body, and the inner plane of the side joist formed by the section steel II is connected with the piston rod of the side oil cylinder.
Preferably, the stepping assembly consists of a stepping frame body, stepping oil cylinders, two groups of stepping side top oil cylinders and stepping side top boots; the cylinder barrel of the stepping oil cylinder is arranged on the support frame body, and the stepping frame body formed by welding the section steel I and the section steel II is connected with the piston rod of the stepping oil cylinder; the cylinder barrel of the stepping side top oil cylinder is arranged on the stepping frame body, and the stepping side top shoe is fixed at the end head of a piston rod of the stepping side top oil cylinder.
Preferably, the lifting assembly consists of two groups of lifting oil cylinders, movable pulleys, lifting forks, lifting fork guide rails and steel wire ropes; the lifting fork guide rail formed by the section steel II is fixed on the support frame body, and the lifting fork is arranged on the lifting fork guide rail and can slide up and down along the lifting fork guide rail; the cylinder barrel of the lifting oil cylinder is arranged on the supporting frame body, the movable pulley is arranged at the upper end of the piston rod of the lifting oil cylinder, one end of the lifting steel wire rope is fixed on the supporting frame body, and the movable pulley with one end bypassing the upper end of the piston rod of the lifting oil cylinder is fixed on the lifting fork.
Preferably, the lifting assembly consists of four groups of prop drawing winches, fixed pulleys, lifting hooks and steel wire ropes; the prop drawing winch and the fixed pulley are arranged on the support frame body, a lifting wire rope wound by the prop drawing winch bypasses the fixed pulley, and a lifting hook is arranged at the terminal.
Preferably, the four groups of prop drawing winches are controlled in a centralized manner through an electric control system, and the electric control system is arranged on the support frame.
Preferably, the hydraulic station and the hydraulic valve group are further included; the hydraulic station and the hydraulic valve group are arranged on the support frame body, the hydraulic valve group is used for controlling the telescopic action of the hydraulic oil cylinder in each component, and the hydraulic station is powered by an electric control system arranged on the support frame body.
Preferably, the section steel I adopts HM500×300 section steel, and the section steel II adopts HM300×300 section steel.
The invention has the beneficial effects that:
The hydraulic self-moving supporting platform for large section underground excavation construction, which can be used for rapidly installing large section steel support, can apply supporting force to the lateral direction and the top; the large-scale profile steel support (HM 500 multiplied by 300) can be conveniently installed; can be stepped longitudinally. The support force applied during large-section underground excavation construction, the installation of large-scale steel supports and the stepping self-moving work are met, the contradiction between safe construction and quick construction is solved, the design is reasonable, the operation is convenient, the working efficiency is improved, and the construction safety is ensured. Is the only construction equipment for solving the problems at present.
Drawings
FIG. 1 is a schematic view of the overall structure of a hydraulic self-moving support platform of the present invention;
FIG. 2 is a side view of the device shown in FIG. 1;
FIG. 3 is a schematic view of the A-A plane shown in FIG. 1;
FIG. 4 is a schematic view of the B-B side of FIG. 1;
FIG. 5 is a schematic view of the C-C surface shown in FIG. 1;
FIG. 6 is a schematic view of the D-D surface shown in FIG. 1;
FIG. 7 is a schematic view of the E-E surface of FIG. 1;
FIG. 8 is a schematic view of the F-F surface shown in FIG. 1;
fig. 9 is a schematic diagram of the G-G surface shown in fig. 2.
In the figure: 1-top cylinder, 2-top beam, 3-support frame, 4-side cylinder, 5-side joist, 6-electric control system, 7-movable pulley, 8-lifting cylinder, 9-lifting fork guide rail, 10-lifting fork, 11-fixed pulley, 12-prop winch, 13-hydraulic station, 14-lifting hook, 15-step cylinder, 16-step frame, 17-step side top cylinder and 18-step side top shoe.
Detailed Description
The technical scheme of the invention is further described through specific embodiments by combining the drawings.
As shown in fig. 1 to 9, a hydraulic self-moving support platform capable of quickly installing a large-scale steel support is used in large-section underground excavation construction, and comprises a support assembly, a stepping assembly, a lifting assembly and a lifting assembly; the support component is used for supporting the soil pressure of the channel soil after excavation; the stepping assembly is arranged on the supporting assembly, and after one truss support in the supporting assembly is arranged, the stepping assembly moves the supporting platform forwards in a stepping way to the position where the next truss support is arranged; the lifting assembly is arranged on the supporting assembly; the lifting assembly is arranged on the supporting assembly and matched with the lifting assembly, and the upper half part well aligned by the lifting and lifting assembly is supported to the mounting position.
Further, the supporting component consists of a supporting frame body 3, a top oil cylinder 1, an upper top beam 2, two groups of side oil cylinders 4 and side joists 5; the supporting frame body 3 is welded by HM500×300 section steel and HM300×300 section steel to form a double-truss door-shaped steel structure; the cylinder barrel of the top cylinder 1 is arranged on the support frame body 3; the lower plane of an upper top beam 2 formed by HM300 x 300 section steel is connected with a piston rod of a top cylinder 1; the cylinder barrel of the side cylinder 4 is arranged on the supporting frame body 3, and the inner plane of the side joist 5 formed by HM300×300 section steel is connected with the piston rod of the side cylinder 4.
Further, the stepping assembly consists of a stepping frame 16, a stepping oil cylinder 15, two groups of stepping side top oil cylinders 17 and stepping side top shoes 18; the cylinder barrel of the stepping oil cylinder 15 is arranged on the supporting frame body 3, and the stepping frame body 16 formed by welding HM500×300 section steel and HM300×300 section steel is connected with the piston rod of the stepping oil cylinder 15; the cylinder barrel of the stepping side top oil cylinder 17 is arranged on the stepping frame body 16, and the stepping side top shoe 18 is fixed at the end of the piston rod of the stepping side top oil cylinder 17.
Further, the lifting assembly consists of two groups of lifting oil cylinders 8, movable pulleys 7, lifting forks 10, lifting fork guide rails 9 and steel wire ropes; a lifting fork guide rail 9 formed by HM300 multiplied by 300 section steel is fixed on the support frame body 3, and a lifting fork 10 is arranged on the lifting fork guide rail 9 and can slide up and down along the lifting fork guide rail 9; the cylinder barrel of the lifting oil cylinder 8 is arranged on the supporting frame body 3, the movable pulley 7 is arranged at the upper end of a piston rod of the lifting oil cylinder 8, one end of the lifting steel wire rope is fixed on the supporting frame body 3, and the movable pulley 7, one end of which bypasses the upper end of the piston rod of the lifting oil cylinder 8, is fixed on the lifting fork 10.
Further, the lifting assembly consists of four groups of prop drawing winches 12, fixed pulleys 11, lifting hooks 14 and steel wire ropes; the prop drawing winch 12 and the fixed pulley 11 are arranged on the support frame body 3, a lifting wire rope wound by the prop drawing winch 12 bypasses the fixed pulley 11, and a lifting hook 14 is arranged at the terminal end.
The four groups of prop drawing winches 12 are controlled in a centralized manner through an electric control system 6, and the electric control system 6 is arranged on the support frame body 3. The hydraulic station 13 and the hydraulic valve group are arranged on the support frame body 3, the hydraulic valve group is used for controlling the telescopic action of the hydraulic oil cylinder in each component, and the hydraulic station 13 is powered by the electric control system 6 arranged on the support frame body 3.
The installation process comprises the following steps:
1. Mounting section steel support
A. the hooks are utilized to initially swing and assemble the two corners of the bottom;
b. The lifting hook is utilized to integrally position the two corners of the bottom;
c. The two angles at the top are initially swung and assembled by using a lifting hook and a lifting fork;
d. and the lifting fork is used for integrally positioning the two angles at the top and connecting the two angles with the bottom, so that the temporary support is closed into a ring.
2. Support platform stepping self-moving
A. the stepping assembly stretches out, and the side-propping oil cylinder is propped up tightly;
b. The movable supporting top plate and the side wall oil cylinders retract, the stepping oil cylinders retract, and the steps are circularly performed until the movable supporting top plate and the side wall oil cylinders are in place.
3. The supporting platform applies supporting force
A. And the movable supporting top plate and the side wall oil cylinder are tightly propped.
The hydraulic self-moving supporting platform for large section underground excavation construction, which can be used for rapidly installing large section steel support, can apply supporting force to the lateral direction and the top; the large-scale profile steel support (HM 500 multiplied by 300) can be conveniently installed; can be stepped longitudinally. The support force applied during large-section underground excavation construction, the installation of large-scale steel supports and the stepping self-moving work are met, the contradiction between safe construction and quick construction is solved, the design is reasonable, the operation is convenient, the working efficiency is improved, and the construction safety is ensured. Is the only construction equipment for solving the problems at present.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (5)
1. The utility model provides a but hydraulic pressure self-moving supporting platform that large-scale shaped steel of quick installation supported, its is arranged in the construction of digging in the large-section secretly, its characterized in that, hydraulic pressure self-moving supporting platform includes:
The support assembly is used for supporting the soil pressure of the channel soil after excavation;
The stepping assembly is arranged on the support assembly, and after one truss support in the support assembly is arranged, the stepping assembly moves the support platform forwards in a stepping manner to the position where the next truss support is arranged;
A lifting assembly mounted on the support assembly; and
The lifting assembly is arranged on the supporting assembly and matched with the lifting assembly, and the upper half part well aligned by the lifting and lifting assembly is supported to the installation position;
the support assembly consists of a support frame body (3), a top oil cylinder (1), an upper top beam (2), two groups of side oil cylinders (4) and side joists (5);
The support frame body (3) is welded by section steel I and section steel II to form a double-truss door-shaped steel structure; the cylinder barrel of the top oil cylinder (1) is arranged on the support frame body (3);
the lower plane of an upper top beam (2) formed by the section steel II is connected with a piston rod of a top oil cylinder (1);
The cylinder barrel of the side oil cylinder (4) is arranged on the support frame body (3), and the inner plane of the side joist (5) formed by the section steel II is connected with the piston rod of the side oil cylinder (4);
The stepping assembly consists of a stepping frame body (16), stepping oil cylinders (15), two groups of stepping side top oil cylinders (17) and stepping side top shoes (18);
The cylinder barrel of the stepping oil cylinder (15) is arranged on the support frame body (3), and the stepping frame body (16) formed by welding the section steel I and the section steel II is connected with a piston rod of the stepping oil cylinder (15);
The cylinder barrel of the stepping side top oil cylinder (17) is arranged on the stepping frame body (16), and the stepping side top shoe (18) is fixed at the end head of a piston rod of the stepping side top oil cylinder (17);
the lifting assembly consists of two groups of lifting oil cylinders (8), a movable pulley (7), lifting forks (10), lifting fork guide rails (9) and steel wire ropes;
the lifting fork guide rail (9) formed by the section steel II is fixed on the support frame body (3), and the lifting fork (10) is arranged on the lifting fork guide rail (9) and can slide up and down along the lifting fork guide rail (9);
The cylinder barrel of the lifting oil cylinder (8) is arranged on the supporting frame body (3), the movable pulley (7) is arranged at the upper end of a piston rod of the lifting oil cylinder (8), one end of the lifting steel wire rope is fixed on the supporting frame body (3), and the movable pulley (7) of which one end bypasses the upper end of the piston rod of the lifting oil cylinder (8) is fixed on the lifting fork (10).
2. The hydraulic self-moving support platform capable of rapidly installing a large-scale steel support according to claim 1, wherein:
The lifting assembly consists of four groups of prop drawing winches (12), fixed pulleys (11), lifting hooks (14) and steel wire ropes;
the lifting wire rope wound by the prop drawing winch (12) bypasses the fixed pulley (11), and a lifting hook (14) is arranged at the terminal.
3. The hydraulic self-moving support platform capable of rapidly installing a large-scale steel support according to claim 2, wherein: the four groups of prop drawing winches (12) are controlled in a centralized manner through an electric control system (6), and the electric control system (6) is arranged on the support frame body (3).
4. The hydraulic self-moving support platform capable of rapidly installing a large-scale steel support according to claim 1, wherein:
the hydraulic station (13) and the hydraulic valve group are also included;
The hydraulic station (13) and the hydraulic valve group are arranged on the support frame body (3), the hydraulic valve group is used for controlling the telescopic action of the hydraulic cylinder in each component, and the hydraulic station (13) is powered by an electric control system (6) arranged on the support frame body (3).
5. A hydraulic self-moving support platform for quick installation of large section steel supports as claimed in any one of claims 1 to 4 wherein:
The section steel I adopts HM500×300 section steel, and the section steel II adopts HM300×300 section steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810783076.4A CN108798739B (en) | 2018-07-17 | 2018-07-17 | Hydraulic self-moving supporting platform capable of rapidly installing large-scale steel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810783076.4A CN108798739B (en) | 2018-07-17 | 2018-07-17 | Hydraulic self-moving supporting platform capable of rapidly installing large-scale steel support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108798739A CN108798739A (en) | 2018-11-13 |
| CN108798739B true CN108798739B (en) | 2024-04-26 |
Family
ID=64076780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810783076.4A Active CN108798739B (en) | 2018-07-17 | 2018-07-17 | Hydraulic self-moving supporting platform capable of rapidly installing large-scale steel support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108798739B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550270B (en) * | 2020-05-20 | 2021-07-09 | 中铁隧道集团一处有限公司 | Ultra-large self-propelled tunnel multifunctional operation platform and tunnel steel bar waterproof board construction method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143991A (en) * | 1978-05-24 | 1979-03-13 | Frank Stafford | Mine roof support system |
| US4192632A (en) * | 1977-07-16 | 1980-03-11 | Gewerkschaft Eisenhutte Westfalia | Support systems for mineral mining installations |
| CN201627596U (en) * | 2010-01-21 | 2010-11-10 | 北京诚田恒业煤矿设备有限公司 | Transverse self-advancing combined suspension hydraulic support |
| CN102022131A (en) * | 2010-09-29 | 2011-04-20 | 北京诚田恒业煤矿设备有限公司 | Strut type self advancing hydraulic support |
| CN202673316U (en) * | 2012-06-26 | 2013-01-16 | 李信斌 | Step-shaped tunnel self-moving supporting shed |
| CN202882972U (en) * | 2012-09-15 | 2013-04-17 | 中国煤炭科工集团太原研究院 | Along-groove stepping split type advanced hydraulic support frame group |
| CN203022785U (en) * | 2012-12-04 | 2013-06-26 | 张要展 | Stepping type hydraulic shed lifting device |
| CN103195458A (en) * | 2013-03-20 | 2013-07-10 | 徐州天能矿山机械有限责任公司 | Underground coal mine large channel end socket suspension hydraulic support |
| CN103437782A (en) * | 2013-08-21 | 2013-12-11 | 中国长江三峡集团公司 | Hydraulic self-moving steel mould trolley and construction method thereof |
| CN205189923U (en) * | 2015-12-03 | 2016-04-27 | 三门峡龙王庄煤业有限责任公司 | Lift canopy from formula advance support of moving |
| CN207332922U (en) * | 2017-10-29 | 2018-05-08 | 王战朝 | Take a step from shifting interlinkage hydraulic pressure advanced stand device |
| CN208650890U (en) * | 2018-07-17 | 2019-03-26 | 中煤隧道工程有限公司 | Can Fast Installation heavy section steel support it is hydraulic from move support platform |
-
2018
- 2018-07-17 CN CN201810783076.4A patent/CN108798739B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192632A (en) * | 1977-07-16 | 1980-03-11 | Gewerkschaft Eisenhutte Westfalia | Support systems for mineral mining installations |
| US4143991A (en) * | 1978-05-24 | 1979-03-13 | Frank Stafford | Mine roof support system |
| CN201627596U (en) * | 2010-01-21 | 2010-11-10 | 北京诚田恒业煤矿设备有限公司 | Transverse self-advancing combined suspension hydraulic support |
| CN102022131A (en) * | 2010-09-29 | 2011-04-20 | 北京诚田恒业煤矿设备有限公司 | Strut type self advancing hydraulic support |
| CN202673316U (en) * | 2012-06-26 | 2013-01-16 | 李信斌 | Step-shaped tunnel self-moving supporting shed |
| CN202882972U (en) * | 2012-09-15 | 2013-04-17 | 中国煤炭科工集团太原研究院 | Along-groove stepping split type advanced hydraulic support frame group |
| CN203022785U (en) * | 2012-12-04 | 2013-06-26 | 张要展 | Stepping type hydraulic shed lifting device |
| CN103195458A (en) * | 2013-03-20 | 2013-07-10 | 徐州天能矿山机械有限责任公司 | Underground coal mine large channel end socket suspension hydraulic support |
| CN103437782A (en) * | 2013-08-21 | 2013-12-11 | 中国长江三峡集团公司 | Hydraulic self-moving steel mould trolley and construction method thereof |
| CN205189923U (en) * | 2015-12-03 | 2016-04-27 | 三门峡龙王庄煤业有限责任公司 | Lift canopy from formula advance support of moving |
| CN207332922U (en) * | 2017-10-29 | 2018-05-08 | 王战朝 | Take a step from shifting interlinkage hydraulic pressure advanced stand device |
| CN208650890U (en) * | 2018-07-17 | 2019-03-26 | 中煤隧道工程有限公司 | Can Fast Installation heavy section steel support it is hydraulic from move support platform |
Non-Patent Citations (1)
| Title |
|---|
| 新集煤矿顺槽工作面液压支架组装平台设计;张晓峰;;机电产品开发与创新;20060928(第05期);第57-58页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108798739A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103726421B (en) | Height and span adjustable track paver for metro construction | |
| CN104179090B (en) | A kind of subway is laid a railway track system | |
| CN110552703B (en) | Duct piece mounting system applied to shaft construction | |
| CN108798739B (en) | Hydraulic self-moving supporting platform capable of rapidly installing large-scale steel support | |
| CN205000255U (en) | Fluid pressure type suspension bridge construction girder steel cable carries loop wheel machine | |
| CN104627849B (en) | Hoisting equipment and hoisting method for hoisting inner courtyard pipeline | |
| CN210239083U (en) | Be used for construction machinery and construction synchronous elevation structure | |
| CN203794533U (en) | Light portable mobile lifting equipment | |
| CN203684019U (en) | Height and span adjustable track laying machine for subway construction | |
| CN204023336U (en) | A kind of subway track-laying machine | |
| CN205532651U (en) | Mining excavation formula loader platform frame shed structure | |
| CN208650890U (en) | Can Fast Installation heavy section steel support it is hydraulic from move support platform | |
| CN204162319U (en) | High strength crane-car | |
| CN117146051A (en) | Pipeline installation device and method | |
| CN204298743U (en) | Rope traction and the all-hydraulic deck unit erection gantry of lifting | |
| CN216429530U (en) | Multi-construction-method drilling machine pressurizing structure and drilling machine | |
| CN105291264A (en) | Auxiliary lifting landing leg, lifting method and engineering machine | |
| CN213679511U (en) | Crane convenient to move | |
| CN204162320U (en) | Facilitate the crane-car of operation at night | |
| CN110984170B (en) | Semi-automatic foundation pit steel support installation method and steel support installation auxiliary device | |
| CN204023325U (en) | A kind of subway system of laying a railway track | |
| CN209536821U (en) | A kind of gantry crane for Metro construction | |
| CN102865086A (en) | Full hydraulic needle beam steel mold trolley | |
| CN203404486U (en) | Hydraulic pipeline installation machine | |
| CN112811309A (en) | Cable cover plate jack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |