CN111764907B - Support frame for reinforced concrete guard arm template of large-section vertical shaft - Google Patents
Support frame for reinforced concrete guard arm template of large-section vertical shaft Download PDFInfo
- Publication number
- CN111764907B CN111764907B CN202010647946.2A CN202010647946A CN111764907B CN 111764907 B CN111764907 B CN 111764907B CN 202010647946 A CN202010647946 A CN 202010647946A CN 111764907 B CN111764907 B CN 111764907B
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- Prior art keywords
- fixedly connected
- base
- template
- side wall
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000009423 ventilation Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000009415 formwork Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 18
- 238000009412 basement excavation Methods 0.000 abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 241000447495 Equulites leuciscus Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/12—Accessories for making shaft linings, e.g. suspended cradles, shutterings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
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)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a support frame for a reinforced concrete guard arm template of a large-section shaft, which comprises an installation side plate, wherein the side surface of the installation side plate is connected to the inner side wall of the shaft through two installation bolts, the installation side plate is connected with a template base through a buffer mechanism, the side surface of the template base is connected with a sliding opening, the inner side wall of the sliding opening is connected with an extension base in a sliding manner, the end part of the extension base is fixedly connected with a vertically arranged protection plate, and two sides of the top part of the template base are fixedly connected with first connecting ribs which are obliquely arranged. According to the invention, through the cooperation of the adjusting mechanisms, the length-adjustable extension base enables constructors to carry out construction excavation on a plurality of positions in the vertical shaft, so that the excavation positions of the vertical shaft are more comprehensive, the problems that the traditional template base cannot be moved, the construction limitation of workers is larger, the vertical shaft cannot be constructed comprehensively are effectively avoided, and the construction quality is improved.
Description
Technical Field
The invention relates to the technical field of vertical shafts, in particular to a support frame for a reinforced concrete guard arm template of a large-section vertical shaft.
Background
The well-shaped pipeline with the vertical cavity wall is called a vertical shaft, is actually a collapse funnel, is square, long and irregular round on the plane outline, the long strip develops along one group of joints, the square or round develops along two groups of joints, the well wall is steep and nearly vertical, and the water surface of an underground river can be seen from the vertical shaft downwards sometimes.
Need when excavating the big section shaft need be at the inside pouring dado template reinforced concrete of shaft, then install the base template, the workman excavates the shaft through the construction on the base template, it consolidates to support all kinds of material parts such as steel pipe, angle steel that the base used, present template base support frame effect only is for carrying out simple support to supporting the base, on the one hand the template base can't remove, it is great to make workman construction restriction, can't be comprehensive construct the shaft, on the other hand the workman has not enough oxygen supply in the inside excavation construction of shaft, lead to the uncomfortable risk of constructor health, for this reason, provide a support frame that is used for big section shaft reinforced concrete armguard template.
Disclosure of Invention
The invention aims to solve the defect that a template base cannot move in the prior art, and provides a support frame for a reinforced concrete armguard template of a large-section vertical shaft.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a support frame for big section shaft reinforced concrete armguard template, includes the installation curb plate, the side of installation curb plate is connected on the inside wall of shaft through two construction bolts, be connected with the template base through buffer gear on the installation curb plate, the side of template base is connected with the slip mouth, the inside wall sliding connection of slip mouth has the extension base, the protection shield of the vertical setting of tip fixedly connected with of extension base, the first splice bar of the both sides fixedly connected with slope setting at template base top, the one end that the template base was kept away from to first splice bar and the side fixed connection of breather pipe, the top of protection shield is connected with stabilizing mean, the bottom of extending the base is connected with adjustment mechanism, be connected with air exchange mechanism on the template base.
Preferably, buffer gear is including seting up the spread groove in installation curb plate side, the inside wall fixedly connected with of spread groove vertically sets up the transfer line, the tip of template base slides and cup joints on the lateral wall of transfer line, the lateral wall of transfer line has cup jointed the spring, the both ends of spring are connected with the bottom of template base and the inside wall of spread groove respectively.
Preferably, the side surface of the protection plate is fixedly connected with a plurality of spring rods, and one end, far away from the protection plate, of each spring rod is fixedly connected with the same protection pad.
Preferably, stabilizing mean includes the second splice bar of fixed connection at the protection shield top, the side fixedly connected with fixed block of installation curb plate, the second splice bar pass the fixed block and with fixed block sliding connection.
Preferably, the adjusting mechanism comprises a mounting groove formed in the side surface of the mounting side plate, the inner side wall of the mounting groove is fixedly connected with a driving motor, the end part of the driving motor is fixedly connected with a vertically arranged lead screw, one end of the lead screw, far away from the driving motor, is rotatably connected with the top of the inner side wall of the mounting groove, the inner side wall of the mounting groove is fixedly connected with a fixed rod, the outer side wall of the lead screw is in threaded sleeve connection with a second connecting strip, the side surface of the second connecting strip is fixedly connected with three first mounting blocks, the side surface of each first mounting block is rotatably connected with a supporting rod which is obliquely arranged, the bottom of the end part of the extending base is fixedly connected with a long strip-shaped first connecting strip, the bottom of each first connecting strip is fixedly connected with three second mounting blocks, one end of the supporting rod, far away from the first mounting block, is rotatably connected with the second mounting blocks, and one end of the second connecting strip, far away from the fixed block, is slidably connected with the inside of the mounting side plate, and extends to the top of the second connecting strip to be fixedly connected with the second connecting strip.
Preferably, ventilation mechanism is including seting up at installation curb plate top scavenge port, the inside wall fixedly connected with breather pipe of scavenge port, the side intercommunication of breather pipe bottom has the ventilation pipe, the ventilation pipe is located the top of template base, the inside fixedly connected with air-blower of breather pipe, the first contact of side fixedly connected with of air-blower, the top fixedly connected with connecting plate of template base one end, the connecting plate extend to in the breather pipe and with breather pipe sliding connection, the side fixedly connected with of connecting plate is located the second contact at first contact top.
Preferably, the top of the vent pipe extends above the ground.
Compared with the prior art, the invention has the beneficial effects that:
1. through the cooperation work between the adjustment mechanism, on the one hand the whole second connecting strip and the first connecting strip that sets up of setting up cooperation of a plurality of bracing pieces, the bottom that makes template base and extension base receives holistic holding power, the steadiness of template base and extension base in the shaft has been guaranteed, on the other hand, bracing piece with adjustable makes the extension base roll-off can follow in the template base, the extension base of adjustable length makes constructor can be to a plurality of positions excavation of being under construction in the shaft, make the excavation position of shaft more comprehensive, the effectual traditional template base of having avoided can't remove, it is great to make workman construction restriction, the unable comprehensive condition of being under construction to the shaft, construction quality has been promoted.
2. Through the cooperation work between the mechanism of taking a breath, constructor when falling down the template base in the shaft on, drives second contact and first contact, makes the air-blower circular telegram, releases the shaft with the air-blower extraction of external world in, and the gas in the shaft removes the outside, and gas changes in the shaft, avoids constructor to have the oxygen supply not enough in the inside excavation construction of shaft, leads to the uncomfortable condition of constructor health, has guaranteed that constructor's is healthy.
Drawings
FIG. 1 is a schematic structural diagram of a support frame for a reinforced concrete armguard template of a large-section vertical shaft, which is provided by the invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
FIG. 4 is a schematic structural diagram of a supporting frame formwork base for a reinforced concrete armguard formwork of a large-section shaft, which is provided by the invention;
fig. 5 is a schematic structural diagram of a first connecting strip of a support frame for a reinforced concrete armguard template of a large-section shaft, which is provided by the invention.
In the figure: the installation curb plate of 1, 2 template bases, 3 extend the base, 4 first splice bars, 5 bracing pieces, 6 second installation pieces, 7 first connecting strips, 8 protection boards, 9 protection pads, 10 spring poles, 11 second splice bars, 12 fixed blocks, 13 breather pipes, 14 first installation pieces, 15 second connecting strips, 16 mounting grooves, 17 lead screws, 18 driving motors, 19 fixed rods, 20 connecting grooves, 21 springs, 22 transmission rods, 23 ventilation pipes, 24 connecting plates, 25 first contact pieces, 26 second contact pieces, 27 air-blowers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a support frame for a reinforced concrete armguard template of a large-section shaft comprises a mounting side plate 1, the side surface of the mounting side plate 1 is connected to the inner side wall of the shaft through two mounting bolts, the mounting side plate 1 is connected with a template base 2 through a buffer mechanism, the buffer mechanism comprises a connecting groove 20 arranged on the side surface of the mounting side plate 1, the inner side wall of the connecting groove 20 is fixedly connected with a vertically arranged transmission rod 22, the end part of the template base 2 is slidably sleeved on the outer side wall of the transmission rod 22, the outer side wall of the transmission rod 22 is sleeved with a spring 21, two ends of the spring 21 are respectively connected with the bottom of the template base 2 and the inner side wall of the connecting groove 20, through the cooperation between the buffer mechanisms, a simple buffer effect is obtained when a constructor moves onto the template base 2, and the impact between the constructor and the template base 2 is buffered, and workers are protected.
The side of the template base 2 is connected with a sliding opening, the inner side wall of the sliding opening is connected with an extension base 3 in a sliding manner, the end part of the extension base 3 is fixedly connected with a vertically arranged protection plate 8, the side of the protection plate 8 is fixedly connected with a plurality of spring rods 10, one ends of the spring rods 10 far away from the protection plate 8 are fixedly connected with the same protection pad 9, two sides of the top of the template base 2 are fixedly connected with first connecting ribs 4 which are obliquely arranged, one ends of the first connecting ribs 4 far away from the template base 2 are fixedly connected with the side of a vent pipe 13, the top of the protection plate 8 is connected with a stabilizing mechanism, the stabilizing mechanism comprises second connecting ribs 11 which are fixedly connected with the top of the protection plate 8, the side of the installation side plate 1 is fixedly connected with a fixed block 12, the second connecting ribs 11 penetrate through the fixed block 12 and are in sliding connection with the fixed block 12, and through the arrangement of the first connecting ribs 4 and the second connecting ribs 11, the top of the template base 2 and the top of the extension base 3 can be stably connected, the stability of the template base 2 and the stability of the extension base 3 in a vertical shaft are guaranteed, and the safety of constructors can be correspondingly guaranteed.
The bottom of the extension base 3 is connected with an adjusting mechanism, the adjusting mechanism comprises a mounting groove 16 arranged on the side surface of the mounting side plate 1, the inner side wall of the mounting groove 16 is fixedly connected with a driving motor 18, the end part of the driving motor 18 is fixedly connected with a vertically arranged screw rod 17, one end of the screw rod 17 far away from the driving motor 18 is rotatably connected with the top of the inner side wall of the mounting groove 16, the inner side wall of the mounting groove 16 is fixedly connected with a fixed rod 19, the outer side wall of the screw rod 17 is in threaded sleeve connection with a second connecting strip 15, the side surface of the second connecting strip 15 is fixedly connected with three first mounting blocks 14, the side surface of the first mounting block 14 is rotatably connected with a support rod 5 which is obliquely arranged, the bottom of the end part of the extension base 3 is fixedly connected with a long strip-shaped first connecting strip 7, the bottom of the first connecting strip 7 is fixedly connected with three second mounting blocks 6, and one end of the support rod 5 far away from the first mounting block 14 is rotatably connected with the second mounting blocks 6, one end of the second connecting rib 11, which is far away from the fixed block 12, is slidably connected with the inside of the mounting side plate 1 and extends to the top of the second connecting strip 15 to be fixedly connected with the second connecting strip 15, through the matching work between the adjusting mechanisms, on one hand, the arrangement of the plurality of support rods 5 is matched with the integrally arranged second connecting strip 15 and the first connecting strip 7, so that the bottoms of the template base 2 and the extension base 3 are subjected to integral supporting force, the stability of the template base 2 and the extension base 3 in a vertical shaft is ensured, on the other hand, the adjustable support rods 5 enable the extension base 3 to slide out of the template base 2, the extension base 3 with adjustable length enables constructors to carry out construction excavation on a plurality of positions in the vertical shaft, the excavation position of the vertical shaft is more comprehensive, the situation that the traditional template base 2 cannot be moved is effectively avoided, the construction restriction of workers is larger, and the vertical shaft construction cannot be carried out comprehensively is avoided, the construction quality is improved.
The template base 2 is connected with a ventilation mechanism, the ventilation mechanism comprises a ventilation opening arranged at the top of the installation side plate 1, the inner side wall of the ventilation opening is fixedly connected with a ventilation pipe 13, the side surface of the bottom of the ventilation pipe 13 is communicated with a ventilation pipe 23, the ventilation pipe 23 is positioned above the template base 2, the interior of the ventilation pipe 13 is fixedly connected with a blower 27, the side surface of the blower 27 is fixedly connected with a first contact piece 25, the top of one end of the template base 2 is fixedly connected with a connecting plate 24, the connecting plate 24 extends into the ventilation pipe 13 and is in sliding connection with the ventilation pipe 13, the side surface of the connecting plate 24 is fixedly connected with a second contact piece 26 positioned at the top of the first contact piece 25, the top of the ventilation pipe 13 extends to the ground, through the matching work among the ventilation mechanisms, when a constructor falls down onto the template base 2 in a vertical shaft, the second contact piece 26 is driven to be in contact with the first contact piece 25, so that the blower 27 is electrified, the air from the outside is extracted and released to the vertical shaft through the air blower 27, the air in the vertical shaft is moved to the outside, the air in the vertical shaft is replaced, the situation that oxygen supply is insufficient in the construction of excavation by constructors in the vertical shaft is avoided, the body of the constructors is uncomfortable, and the body health of the constructors is guaranteed.
In the invention, the whole installation side plate 1 is installed on the inner side wall of the shaft to be excavated through a plurality of installation bolts, a constructor can stand on the template base 2 and can excavate the inside of the shaft by standing on the template base 2, at the moment, the extension base 3 can be pulled through the first connecting rib 4 and the second connecting rib 11 to ensure the stability of the extension base 3, when the opposite side of the shaft needs to be constructed, a switch of a power supply of a driving motor 18 can be opened, the output end of the driving motor 18 drives a screw rod 17 to rotate, so that a second connecting strip 15 on the outer side wall of the screw rod 17 slides on the outer side wall of a fixed rod 19, the second connecting strip 15 sliding upwards drives a plurality of first installation blocks 14 to move, a plurality of corresponding support rods 5 are driven to extrude the second installation blocks 6 to drive the first connecting strip 7 to move rightwards, so that the first connecting strip 7 drives the extension base 3 to move rightwards, extend base 3 this moment and slide from the inside of template base 2, make constructor's the space grow of standing, constructor can move this moment and excavate the construction to the shaft of opposite side on extending base 3, and protection pad 9 can protect constructor, when extending base 3 and turn right the removal, spring beam 10 drives second splice bar 11 and turns right a bit and make second splice bar 11 continue to stimulate the protection to spring beam 10.
Meanwhile, when a constructor stands on the template base 2, the template base 2 slides on the outer side wall of the transmission rod 22, the template base 2 moves downwards to drive the connecting plate 24 to move downwards, the second contact piece 26 on the corresponding connecting plate 24 moves downwards to be in contact with the first contact piece 25, the second contact piece 26 which is always electrified drives the air blower 27 to be electrified through the first contact piece 25, the air blower 27 sucks air through the vent pipe 13, outside air is sucked into the air blower 27 and is discharged through the vent pipe 23, then the inside air of the vertical shaft can move to the outside of the vertical shaft, and the exchange of the inside air of the vertical shaft is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A supporting frame for a reinforced concrete guard arm template of a large-section shaft comprises an installation side plate (1) and is characterized in that the side surface of the installation side plate (1) is connected to the inner side wall of the shaft through two installation bolts, the installation side plate (1) is connected with a template base (2) through a buffer mechanism, the side surface of the template base (2) is connected with a sliding port, the inner side wall of the sliding port is connected with an extension base (3) in a sliding manner, the end part of the extension base (3) is fixedly connected with a vertically arranged protection plate (8), the two sides of the top part of the template base (2) are fixedly connected with first connecting ribs (4) which are obliquely arranged, one ends, far away from the template base (2), of the first connecting ribs (4) are fixedly connected with the side surface of a vent pipe (13), and the top part of the protection plate (8) is connected with a stabilizing mechanism, the bottom of the extension base (3) is connected with an adjusting mechanism, and the template base (2) is connected with an air exchange mechanism.
2. The support frame for the reinforced concrete armguard formwork of the large-section shaft is characterized in that the buffer mechanism comprises a connecting groove (20) formed in the side face of the installation side plate (1), a vertically arranged transmission rod (22) is fixedly connected to the inner side wall of the connecting groove (20), the end portion of the formwork base (2) is slidably sleeved on the outer side wall of the transmission rod (22), a spring (21) is sleeved on the outer side wall of the transmission rod (22), and two ends of the spring (21) are respectively connected with the bottom of the formwork base (2) and the inner side wall of the connecting groove (20).
3. The support frame for the reinforced concrete armguard template of the large-section shaft as claimed in claim 1, wherein a plurality of spring rods (10) are fixedly connected to the side surface of the protection plate (8), and one protection pad (9) is fixedly connected to one end, far away from the protection plate (8), of the plurality of spring rods (10).
4. The support frame for the reinforced concrete armguard template of the large-section shaft as claimed in claim 1, wherein the stabilizing mechanism comprises a second connecting rib (11) fixedly connected to the top of the protective plate (8), a fixed block (12) is fixedly connected to the side surface of the installation side plate (1), and the second connecting rib (11) penetrates through the fixed block (12) and is slidably connected with the fixed block (12).
5. The support frame for the reinforced concrete armguard formwork of the large-section shaft as claimed in claim 4, wherein the adjusting mechanism comprises a mounting groove (16) formed in the side surface of the mounting side plate (1), the inner side wall of the mounting groove (16) is fixedly connected with a driving motor (18), the end part of the driving motor (18) is fixedly connected with a vertically arranged screw rod (17), one end of the screw rod (17) far away from the driving motor (18) is rotatably connected with the top of the inner side wall of the mounting groove (16), the inner side wall of the mounting groove (16) is fixedly connected with a fixing rod (19), the outer side wall of the screw rod (17) is in threaded sleeve connection with a second connecting strip (15), the side surface of the second connecting strip (15) is fixedly connected with three first mounting blocks (14), the side surface of the first mounting blocks (14) is rotatably connected with an obliquely arranged support rod (5), extend the long banding first connecting strip (7) of bottom fixedly connected with of base (3) tip, the three second installation piece (6) of bottom fixedly connected with of first connecting strip (7), the one end of keeping away from first installation piece (14) in bracing piece (5) is rotated with second installation piece (6) and is connected, the inside sliding connection of one end and installation curb plate (1) of fixed block (12) is kept away from in second joint bar (11) to extend to the top and the second connecting strip (15) fixed connection of second connecting strip (15).
6. The support frame for the reinforced concrete armguard template of the large-section shaft as claimed in claim 1, it is characterized in that the air exchange mechanism comprises an air exchange port arranged at the top of the mounting side plate (1), the inner side wall of the air vent is fixedly connected with an air pipe (13), the side surface of the bottom of the air pipe (13) is communicated with an air pipe (23), the ventilation pipe (23) is positioned above the template base (2), the interior of the ventilation pipe (13) is fixedly connected with a blower (27), a first contact piece (25) is fixedly connected to the side surface of the air blower (27), a connecting plate (24) is fixedly connected to the top of one end of the template base (2), the connecting plate (24) extends into the vent pipe (13) and is connected with the vent pipe (13) in a sliding way, and the side surface of the connecting plate (24) is fixedly connected with a second contact piece (26) positioned at the top of the first contact piece (25).
7. A support frame for a reinforced concrete armguard formwork of a large-section shaft as claimed in claim 6, wherein the top of the ventilation pipe (13) extends to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010647946.2A CN111764907B (en) | 2020-07-07 | 2020-07-07 | Support frame for reinforced concrete guard arm template of large-section vertical shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010647946.2A CN111764907B (en) | 2020-07-07 | 2020-07-07 | Support frame for reinforced concrete guard arm template of large-section vertical shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111764907A CN111764907A (en) | 2020-10-13 |
| CN111764907B true CN111764907B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010647946.2A Expired - Fee Related CN111764907B (en) | 2020-07-07 | 2020-07-07 | Support frame for reinforced concrete guard arm template of large-section vertical shaft |
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| CN (1) | CN111764907B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113931632B (en) * | 2021-11-08 | 2024-02-02 | 郑州地铁集团有限公司 | A subway shaft support device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD258147A1 (en) * | 1986-02-19 | 1988-07-13 | DEVICE FOR OVERHANGING TRAINING WITH MECHANICAL DRILLING AND SPRING BUG | |
| KR101218185B1 (en) * | 2010-03-24 | 2013-01-03 | (주)성풍건설 | Vertically moving slipform device by winch |
| CN105926918B (en) * | 2016-03-17 | 2019-06-25 | 中国一冶集团有限公司 | A kind of collapsible hoistway operation steel platform device and erection method |
| CN209620559U (en) * | 2018-12-24 | 2019-11-12 | 山东铁鹰建设工程有限公司 | A kind of operation platform support device |
| CN109869153B (en) * | 2019-02-26 | 2024-06-11 | 中铁十局集团第一工程有限公司 | Integral lifting cantilever formwork device for rapidly constructing shaft lining and construction method |
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- 2020-07-07 CN CN202010647946.2A patent/CN111764907B/en not_active Expired - Fee Related
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| CN111764907A (en) | 2020-10-13 |
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Granted publication date: 20220208 |