CN115263342B - Multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction - Google Patents
Multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction Download PDFInfo
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- CN115263342B CN115263342B CN202210907871.6A CN202210907871A CN115263342B CN 115263342 B CN115263342 B CN 115263342B CN 202210907871 A CN202210907871 A CN 202210907871A CN 115263342 B CN115263342 B CN 115263342B
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 239000002689 soil Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 6
- 239000004575 stone Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000005641 tunneling Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a multifunctional operation frame for chiseling construction of a soil pressure balance shield tunnel portal, which comprises a slideway, a lateral lifting device arranged at one end part of the slideway, a fixed base sliding on the slideway, a vertical upright rod arranged on the fixed base, a forward lifting mechanism arranged at the inner side of the vertical upright rod and a soil discharging and collecting mechanism arranged above the forward lifting mechanism, wherein the fixed base is provided with a vertical upright rod; the forward lifting mechanism comprises a forward lifting platform arranged on a fixed base, a forward motor arranged on the forward lifting platform, a horizontal cross rod which can move up and down through the drive of the forward motor and a side rod arranged at the end part of the horizontal cross rod, wherein the side rod is arranged between front and back vertical rods, a fixed top seat is arranged above the vertical rods, and a falling-prevention device is arranged at the central position of the fixed top seat. By adopting the structure, the invention better solves the problems that the traditional operation frame has long installation and dismantling time, is inconvenient to adjust, cannot move, influences other operations, cannot transport sand, stone, slag and soil in time, causes the risk of residue on the ground and the like.
Description
Technical Field
The invention relates to the technical field of shield construction, in particular to a multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction.
Background
The general shield starting process comprises three parts, namely shield starting preparation work, tunnel portal dismantling and tunneling construction. And the shield machine receiving process generally comprises three major parts, namely shield machine receiving preparation work, tunnel portal dismantling, shield machine entry and tunnel portal plugging. The tunnel portal chiseling is one of key processes of shield launching and receiving, key factors such as construction quality and safety directly influence whether shield construction can be smoothly carried out, and although the tunnel portal chiseling process is simple, potential safety hazards are more and difficulty is high.
In the prior art, the tunnel portal chiseling method of the shield tunnel generally comprises four modes of manual chiseling, mechanical chiseling, direct cutting of a cutter head of the shield tunneling machine and directional blasting, wherein the mode of manually chiseling the tunnel portal is most widely applied. When the shield tunnel portal is chiseled manually, because the portal diameter is generally great, a manual operation frame must be set up, and convenience is brought to constructors to chiseling the portal concrete operation. The work frame refers to various supports that are erected for workers to handle and solve vertical and horizontal transportation at a construction site. The existing attached lifting scaffold has the disadvantages of more parts, complexity, easy neglected loading during transportation, troublesome construction, time consumption and easy neglected loading problem under the condition of no construction experience, so that potential safety hazards exist.
The tunnel portal is through chiseling the back, and dregs can scatter the tunnel portal ground, very big increase bottom staff's potential safety hazard, and the work load that can increase bottom staff that drops of soil and increased and shortened the time that the tunnel portal soil body exposes reduces the risk of tunnel portal soil body unstability, will prolong the time that the steel casing box shield constructs the receipt.
In view of the above, it is necessary to design a multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction.
Disclosure of Invention
The invention aims to provide a multifunctional operation frame for chiseling construction of an earth pressure balance shield tunnel portal, which better solves the problems that the traditional operation frame is long in mounting and dismounting time, inconvenient to adjust, incapable of moving, capable of influencing other operations, incapable of timely transporting sand, stone and muck to cause risks of remaining on the ground and the like.
In order to achieve the aim, the invention provides a multifunctional operating frame for chiseling construction of a soil pressure balance shield tunnel portal, which comprises a slideway arranged on a shield working well, a lateral lifting device arranged at one end part of the slideway, a fixed base sliding on the slideway, a vertical upright rod arranged on the fixed base, a forward lifting mechanism arranged on the inner side of the vertical upright rod and a soil discharging and collecting mechanism arranged above the forward lifting mechanism;
the forward lifting mechanism comprises a forward lifting platform arranged on a fixed base, a forward motor arranged on the forward lifting platform, a horizontal cross rod driven by the forward motor to move up and down, and a side rod arranged at the end part of the horizontal cross rod, wherein the side rod is arranged between vertical rods, a fixed top seat is arranged above the vertical rods, and a falling-prevention device is arranged at the central position of the fixed top seat.
Preferably, the side rod is provided with a positioning groove on the upper surface.
Preferably, the horizontal cross bars are arranged into a plurality of pieces, and the middle horizontal cross bar is a movable horizontal cross bar and is connected with the first fixed pulley through a first steel wire rope.
Preferably, the unearthed collection mechanism comprises an unearthed frame arranged between the fixed base and the fixed top seat, a walkway plate is welded above the unearthed frame, guard railings are arranged on three sides of the walkway plate, an unearthed bucket is placed in the unearthed frame, the unearthed bucket is drawn out through a lateral lifting device, and the rear side of the unearthed bucket is in contact with the tunnel door.
Preferably, the side section of the extension bar of the unearthing frame is a right trapezoid, and the obtuse angle direction faces the opening.
Preferably, the bottom end face of the unearthing frame is provided with a positioning small block matched with the positioning groove.
Preferably, one side of the left outer side wall of the unearthing frame, which is close to the lateral lifting device, is provided with an insertion opening.
Preferably, the lateral lifting device comprises a lateral lifting platform, a lateral motor arranged on the outer side of the lateral lifting platform and a lateral plug board connected with the lateral motor, the lateral plug board is adapted to the plug opening, and the lateral motor is connected with the lateral plug board through a second fixed pulley and a second steel wire rope.
Preferably, pulleys are arranged at four corners of the bottom of the fixed base.
Preferably, the size of the fixed top seat is smaller than that of the vertical upright rod, and the size of the vertical upright rod is smaller than that of the fixed base, and the fixed top seat and the vertical upright rod are sequentially connected in an inserting manner.
Therefore, the multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction, which adopts the structure, has the following beneficial effects:
(1) The operation frame can be assembled in advance according to the required length, also can in time be dismantled along with the reduction of construction height, but repetitious utilization, labour saving and time saving, material saving, service function can realize quick transition.
(2) The frame adopts the shaped steel structure, and the operation frame is gone up and down for walking the guidance tape and the realization that unearthed fill is freely carried out by the positive elevating platform through control motor drive wire rope, and the gyro wheel has been installed to the frame bottom, can fix and control the removal fast along the slide of slide rail bottom shield work well under the manpower promotion, and through the fixed pin, the gyro wheel can realize quick fixed, quick separation with the slide.
(3) Utilize the multi-functional operation frame manual work of earth pressure balance shield machine business turn over hole construction to chisel out the portal, practiced thrift ann, tear the time of operation frame open, shortened the time that the portal soil body exposes, utilize the play soil fill in the operation frame to concentrate the collection with the gravel and sand dregs that chisel fall, reduced bottom constructor's safety risk. The construction continuity is increased, and the engineering construction efficiency is improved. Particularly, when the shield launching and receiving construction under complex geological conditions is carried out, the multifunctional operation frame can be used for avoiding the engineering work risk of the shield launching and receiving.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a multifunctional working frame for earth pressure balance shield tunnel portal chiseling construction according to the invention;
FIG. 2 is a schematic structural diagram of a left side portion of an embodiment of a multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction according to the present invention;
fig. 3 is a top view of an embodiment of the multifunctional working frame for earth pressure balance shield tunnel portal chiseling construction of the invention.
Detailed Description
The technical scheme of the invention is further explained by the attached drawings and the embodiment.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and the like, herein does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
The invention provides a multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction, which comprises a slideway 1 arranged on a shield working well, a lateral lifting device 2 arranged at one end part of the slideway 1, a fixed base 3 sliding on the slideway 1, a vertical upright rod 4 arranged on the fixed base 3, a forward lifting mechanism 5 arranged on the inner side of the vertical upright rod 4 and an unearthed collection mechanism 6 arranged above the forward lifting mechanism 5. The forward lifting mechanism 5 comprises a forward lifting platform 51 arranged on the fixed base 3, a forward motor 52 arranged on the forward lifting platform 51, a horizontal cross rod 53 driven by the forward motor 52 to move up and down and a side rod 54 arranged at the end part of the horizontal cross rod 53, wherein the side rod 54 is arranged between the front vertical upright rod 4 and the rear vertical upright rod 4, a fixed top seat 7 is arranged above the vertical upright rod 4, and a falling-preventing device 8 is arranged at the central position of the fixed top seat 7. The upper surface of the side lever 54 is provided with a positioning groove 55, when the muck of the earth-moving bucket reaches the loading limit, the lateral lifting platform can be matched with the groove of the unearthed frame, and the unearthed bucket is transported to the ground to finish unearthing. The horizontal cross bars 53 are arranged into a plurality of pieces, and the horizontal cross bar 53 in the middle is a movable horizontal cross bar and is connected with the first fixed pulley through a first steel wire rope.
The unearthed collection mechanism 6 comprises an unearthed frame 61 arranged between the fixed base 3 and the fixed top seat 7, a walkway plate 62 is welded above the unearthed frame 61, guard rails 65 are arranged on three sides of the walkway plate 62, no guard rail is arranged on one side close to the tunnel portal construction, an unearthed bucket 63 is placed in the unearthed frame 61, the unearthed bucket 63 is drawn out through a lateral lifting device, and the rear side of the unearthed bucket 63 is in contact with the tunnel portal 9. The side section of the extension strip of the unearthed frame 61 is in a right trapezoid shape, and the obtuse angle direction faces the opening of the hole, so that the extension strip is flat with the cross section of the hole door, and the risk of preventing chiseling sandy soil from falling on the ground is achieved. The bottom end face of the unearthing frame 61 is provided with a positioning small block 64 which is matched with the positioning groove 55, and the effects of stabilizing the soil hopper and the walkway plate are achieved. A plug-in opening 66 is provided on the left outer side wall of the unearthing frame 61 on the side close to the lateral lifting device 2.
Lateral lifting device 2 includes lateral lifting platform 21, set up lateral motor 22 in the lateral lifting platform 21 outside and the lateral direction plugboard 23 of being connected with lateral motor 22, lateral direction plugboard 23 suits with grafting opening 66, be connected through second fixed pulley and second wire rope between lateral motor 22 and the lateral direction plugboard 23, start through lateral motor, it rises or descends to drive lateral direction plugboard, work as and rise to grafting opening part, insert and establish in the grafting opening, take out the native fill, it follows movable horizontal pole contact to realize rising or descending to go out the native frame.
The four corners of the bottom of the fixed base 3 are provided with pulleys 10 for sliding on the slide rails to drive the whole operation frame to move.
The size of fixed footstock 7 is less than the size of vertical pole setting 4, and the size of vertical pole setting 4 is less than unable adjustment base 3's size, and the grafting is connected in proper order, and fixed footstock 7, vertical pole setting 4 and unable adjustment base 3 all adopt square pipe, peg graft in proper order, through the bolt fastening.
When the movable type fixed base is used, a unit of modularized attached type fixed base is assembled firstly, pulleys are arranged below the fixed base, and the pulleys can freely move left and right on the sliding rails according to the requirements of construction operation. And then upwards extending on the basis of the first unit fixing base according to the requirement of realizing the construction operation height, installing vertical rods, installing side rods on the vertical rods at the front side and the back side, installing horizontal cross rods on the vertical rods at the left side and the right side, connecting the two ends of each side rod with the horizontal cross rods, forming a forward lifting mechanism of the multifunctional scaffold by the side rods and the horizontal cross rods, connecting a middle horizontal cross rod with a forward motor at the top of a forward lifting platform through a first steel wire rope and a first fixed pulley, realizing the retraction and extension of the first steel wire rope by a rotating shaft of the forward motor, further realizing the automatic lifting and descending of the multifunctional scaffold through the first fixed pulley, realizing the lifting and descending of the horizontal cross rods and the side rods at the moment, inserting positioning small blocks into positioning grooves when the multifunctional scaffold ascends to the lower side of a soil discharging frame, playing a role in stabilizing the soil discharging hopper and a walkway plate, controlling the rotating speed, steering and closing of the forward motor through a remote controller to realize the lifting, descending and stopping of the multifunctional scaffold for reinforcing the whole scaffold frame structure, wherein the horizontal cross rods are movable, and the fixed pulleys on the side of the first steel wire rope are connected with the retractable walkway plate by the remote controller. The guard rail is fixed above the walkway plate, the fixed top seat is installed finally after the required operation height is reached, and the stability of the whole multifunctional operation frame is born by the fixed base and the fixed top seat. The top of the fixed top seat is provided with a falling prevention device, and the falling prevention device is used by matching a top horizontal cross rod, a pawl, a safety rope, a spring and an electromagnetic relay to realize hovering. The top horizontal cross rod is connected with the safety rope and the high-pressure air pick.
In order to enable the multifunctional operation frame body to timely collect and transport the dregs out, the dregs discharging hopper collects the dregs in the construction operation, the soil discharging frame is moved to the left side lateral lifting platform through a method of pushing the fixed base by manpower, the left side of the soil discharging frame is provided with a plugging opening, and the lateral plugging plate on the lateral lifting platform is aligned with the opening of the soil discharging frame. The up-and-down movement of the soil hopper is realized by depending on the retraction of the steel wire rope by the lateral motor. And transporting the unearthed hopper to the ground for recycling treatment. The multifunctional operation frame is used for manually chiseling the tunnel portal when the earth pressure balance shield machine enters and exits the tunnel construction, saves the time for installing and dismantling the operation frame, effectively collects and processes chiseled sandy soil, shortens the time for exposing the soil body of the tunnel portal and reduces the safety risk of constructors for dismantling the operation frame.
When receiving the portal and chisel out, the portal chisel out the in-process and have the production of sand stone dregs, very big increase bottom staff's potential safety hazard, the work load that can increase bottom staff that drops of soil and increased and shortened the time that the portal soil body exposes, reduce the risk of portal soil body unstability, will prolong the time that the steel casing box shield constructs the receipt. Once a sand gushing dangerous situation occurs, the operator can quickly adjust the walkway plate to reach the ground, and safety measures for quickly evacuating the operator on the operation frame are provided. The operation frame can be adjusted along with the tunnel portal chiseling height, the tunnel portal chiseling construction sequence is from top to bottom, after the tunnel portal chiseling is received, the operation frame is immediately folded and folded manually, and the shield tunneling machine starts to push forwards and penetrates out of the tunnel portal to reach the water stopping curtain cloth.
Therefore, the multifunctional operation frame for the earth pressure balance shield tunnel portal chiseling-out construction, which adopts the structure, better solves the problems that the traditional operation frame is long in installation and dismantling time, inconvenient to adjust, incapable of moving, influencing other operations, incapable of timely transporting sand, stone, slag and soil, and causing the risk of remaining on the ground and the like.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a multi-functional operation frame of construction is chiseled to earth pressure balance shield tunnel portal which characterized in that:
the device comprises a slideway arranged on a shield working well, a lateral lifting device arranged at one end part of the slideway, a fixed base sliding on the slideway, a vertical upright arranged on the fixed base, a forward lifting mechanism arranged on the inner side of the vertical upright and a soil discharging and collecting mechanism arranged above the forward lifting mechanism;
the forward lifting mechanism comprises a forward lifting platform arranged on the fixed base, a forward motor arranged on the forward lifting platform, a horizontal cross rod driven by the forward motor to move up and down and a side rod arranged at the end part of the horizontal cross rod, wherein the side rod is arranged between the front vertical rod and the rear vertical rod, a fixed top seat is arranged above the vertical rods, and a falling prevention device is arranged at the central position of the fixed top seat;
the unearthed collection mechanism comprises an unearthed frame arranged between a fixed base and a fixed top seat, a walkway plate is welded above the unearthed frame, guard rails are arranged on three sides of the walkway plate, an unearthed bucket is placed in the unearthed frame, the unearthed bucket is drawn out through a lateral lifting device, the rear side of the unearthed bucket is in contact with a tunnel door, a plug-in opening is arranged on one side, close to the lateral lifting device, of the left outer side wall of the unearthed frame, the lateral lifting device comprises a lateral lifting platform, a lateral motor arranged on the outer side of the lateral lifting platform and a lateral plug-in board connected with the lateral motor, the lateral plug-in board is matched with the plug-in opening, and the lateral motor is connected with the lateral plug-in board through a second fixed pulley and a second steel wire rope.
2. The multifunctional operating frame for the earth pressure balance shield tunnel portal chiseling construction according to claim 1, is characterized in that: and the upper surface of the side rod is provided with a positioning groove.
3. The multifunctional operating frame for the earth pressure balance shield tunnel portal chiseling construction according to claim 2, characterized in that: the horizontal cross rods are arranged into a plurality of horizontal cross rods, the middle horizontal cross rods are movable horizontal cross rods and are connected with the first fixed pulleys through first steel wire ropes.
4. The multifunctional working frame for earth pressure balance shield tunnel portal chiseling construction according to claim 3, is characterized in that: the side section of the extension bar of the unearthing frame is in a right trapezoid shape, and the obtuse angle direction faces the opening.
5. The multifunctional working frame for earth pressure balance shield tunnel portal chiseling construction according to claim 4, is characterized in that: and a positioning small block matched with the positioning groove is arranged on the bottom end surface of the unearthing frame.
6. The multifunctional working frame for earth pressure balance shield tunnel portal chiseling construction according to claim 1, is characterized in that: and pulleys are arranged at four corners of the bottom of the fixed base.
7. The multifunctional working frame for earth pressure balance shield tunnel portal chiseling construction according to claim 6, is characterized in that: the size of the fixed top seat is smaller than that of the vertical upright rod, and the size of the vertical upright rod is smaller than that of the fixed base, and the fixed top seat and the vertical upright rod are sequentially connected in an inserting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210907871.6A CN115263342B (en) | 2022-07-29 | 2022-07-29 | Multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210907871.6A CN115263342B (en) | 2022-07-29 | 2022-07-29 | Multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction |
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| Publication Number | Publication Date |
|---|---|
| CN115263342A CN115263342A (en) | 2022-11-01 |
| CN115263342B true CN115263342B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210907871.6A Active CN115263342B (en) | 2022-07-29 | 2022-07-29 | Multifunctional operation frame for earth pressure balance shield tunnel portal chiseling construction |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000145388A (en) * | 1998-11-16 | 2000-05-26 | Kanazawa Seisakusho:Kk | Form device for tunnel |
| JP2001048012A (en) * | 1999-08-05 | 2001-02-20 | Kumagai Gumi Co Ltd | Mobile scaffold device for inspection in tunnel construction work |
| CN104790966A (en) * | 2015-04-23 | 2015-07-22 | 北京建工土木工程有限公司 | Multi-functional starting and receiving construction operation frame of earth pressure balance shield machine |
| CN107152285A (en) * | 2017-04-28 | 2017-09-12 | 淮安市中球盾构技术服务有限公司 | For shield launching and the servicing unit of reception |
| CN107575239A (en) * | 2017-10-16 | 2018-01-12 | 粤水电轨道交通建设有限公司 | A kind of portable shield launching device for small space |
| CN108590705A (en) * | 2018-05-04 | 2018-09-28 | 北京市政建设集团有限责任公司 | A kind of shield beginning well north and south side reserved opening formwork support system |
| CN210659184U (en) * | 2019-06-06 | 2020-06-02 | 刘国霞 | Lifting integrated scaffold for building construction |
| CN213419100U (en) * | 2020-09-11 | 2021-06-11 | 中铁十八局集团有限公司 | Shield split starting bridge trolley |
-
2022
- 2022-07-29 CN CN202210907871.6A patent/CN115263342B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000145388A (en) * | 1998-11-16 | 2000-05-26 | Kanazawa Seisakusho:Kk | Form device for tunnel |
| JP2001048012A (en) * | 1999-08-05 | 2001-02-20 | Kumagai Gumi Co Ltd | Mobile scaffold device for inspection in tunnel construction work |
| CN104790966A (en) * | 2015-04-23 | 2015-07-22 | 北京建工土木工程有限公司 | Multi-functional starting and receiving construction operation frame of earth pressure balance shield machine |
| CN107152285A (en) * | 2017-04-28 | 2017-09-12 | 淮安市中球盾构技术服务有限公司 | For shield launching and the servicing unit of reception |
| CN107575239A (en) * | 2017-10-16 | 2018-01-12 | 粤水电轨道交通建设有限公司 | A kind of portable shield launching device for small space |
| CN108590705A (en) * | 2018-05-04 | 2018-09-28 | 北京市政建设集团有限责任公司 | A kind of shield beginning well north and south side reserved opening formwork support system |
| CN210659184U (en) * | 2019-06-06 | 2020-06-02 | 刘国霞 | Lifting integrated scaffold for building construction |
| CN213419100U (en) * | 2020-09-11 | 2021-06-11 | 中铁十八局集团有限公司 | Shield split starting bridge trolley |
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| Publication number | Publication date |
|---|---|
| CN115263342A (en) | 2022-11-01 |
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