CN113006806A - Split starting method for stacking deep starting well shield machine trolleys - Google Patents
Split starting method for stacking deep starting well shield machine trolleys Download PDFInfo
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- CN113006806A CN113006806A CN202110315076.3A CN202110315076A CN113006806A CN 113006806 A CN113006806 A CN 113006806A CN 202110315076 A CN202110315076 A CN 202110315076A CN 113006806 A CN113006806 A CN 113006806A
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- trolley
- bottom plate
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- trolleys
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 230000005641 tunneling Effects 0.000 claims description 14
- 238000010276 construction Methods 0.000 abstract description 21
- 239000003921 oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003466 welding Methods 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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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)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of tunnel construction, in particular to a split starting method for superposition of a deep starting well shield machine trolley. The method comprises the following steps: s1, planning the storage position of the trolley on the deep starting shaft floor; s2, paving 20mm steel plates in the region of the bottom plate placing trolley, aligning and leveling the bottom plate, wherein the alignment and leveling of the bottom plate requires the same elevation of the bottom plate; s3, installing stirrups in the starting bottom plate trolley placement area and reinforcing; s4, removing the belt frame and the air duct of the trolley; reinforcing two sides of a main beam at the bottom of the S5, 1-type and 2-type trolleys; s6, stirrups are installed at the tops of the trolleys No. 1 and No. 2; s7, hoisting and lowering the shaft by a trolley on the left side of the bottom plate; s8, hoisting and lowering the trolley at the right side of the bottom into the well; s9, connecting pipelines between trolleys; and S10, connecting the bridge and the shield body through pipelines. The method has the characteristics of high construction progress, labor saving, high safety and the like, and the construction method has the advantages of simple process, novel method, convenience in operation and wide adaptability. The invention is mainly applied to the split starting aspect of the shield machine trolley of the deep starting well.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a split starting method for superposition of a deep starting well shield machine trolley.
Background
The existing shield construction is widely applied to the field of tunnel construction in China, according to the characteristics of a shield construction process, a shield machine starts in a well-built starting well, when the starting well is deeper in buried depth, the structure adopts a circular design, the circular starting well has the characteristics of small structural size, small length, deeper buried depth and the like, the shield machine must start in a split starting mode, the conventional split starting technology is that the shield machine is placed on the ground in a matched mode after the shield machine is arranged, and underground equipment and ground equipment are connected through pipelines, so that the split starting method is suitable for the conventional starting well. The shield machine is started in a deep starting well in a split mode, a conventional shield machine split starting method is adopted, the length of a connecting pipeline is long, more hydraulic oil and lubricating grease are used, the construction cost is high, construction risks such as pipe explosion and the like are easy to occur in the construction process, construction potential safety hazards are caused, and starting safety of the shield machine is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the split starting method for stacking the shield trolley of the deep starting well.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a split starting method for stacking a deep starting well shield machine trolley comprises the following steps:
s1, planning the storage positions of the trolleys on the bottom plate of the deep starting well: the method comprises the following steps that a connecting bridge and trolleys of the shield tunneling machine are placed on two sides of a circular starting well, equipment placed on the left side of a starting well bottom plate is a connecting bridge and a trolley 5, and equipment placed on the right side of the bottom plate is a trolley 1, a trolley 2, a trolley 3 and a trolley 4;
s2, paving 20mm steel plates in the region of the bottom plate placing trolley, aligning and leveling the bottom plate, wherein the alignment and leveling of the bottom plate requires the same elevation of the bottom plate;
s3, installing stirrups in the starting bottom plate trolley placement area and reinforcing;
s4, detaching the trolley belt frame and the air duct, and reserving bolt holes in front and at back of the upper parts of the main beams of the No. 1 trolley and the No. 2 trolley;
reinforcing two sides of a main beam at the bottom of the S5, 1-type and 2-type trolleys;
s6, stirrups are installed at the tops of the trolleys No. 1 and No. 2;
s7, hoisting and lowering the shaft by a trolley on the left side of the bottom plate;
s8, hoisting and lowering the trolley at the right side of the bottom into the well;
s9, connecting pipelines between trolleys;
and S10, connecting the bridge and the shield body through pipelines.
In step S1, the carriage 1 and the carriage 2 are placed on the floor, the carriage 3 is placed above the carriage 2, and the carriage 4 is placed above the carriage 1.
In step S3, the stirrup is made of 200H-shaped steel, the height is 300mm, the interval is 1m, and the stirrup is reinforced by 100 channel steel, so that the stability of the stirrup is ensured.
In the step S4, the belt holders and the air ducts of the No. 1, No. 2, No. 3, No. 4 and No. 5 trolleys are removed, and the belt holders and the air ducts are removed for stacking the trolleys and storing and reducing the weight of the trolleys.
In the step S5, the bottom main beam of the trolley is provided with two sides for installing the travelling wheels, and the reinforcing mode is that two pieces of 200H-shaped steel are welded on the main beam side respectively, so that the trolley is prevented from being deformed due to the superposition of the trolley.
In step S6, the stirrup is made of 200H-shaped steel and 250mm in height, and the bottom of the stirrup is welded with a flange and connected with the reserved bolt holes in the tops of the trolleys No. 1 and No. 2.
In the step S7, the devices placed on the left side of the bottom plate are a connecting bridge and a trolley No. 5, and the horizontal position of the trolley No. 5 is at the same position as the trolley No. 2.
In step S8, the devices placed on the right side of the bottom plate are a trolley No. 1, a trolley No. 2, a trolley No. 3, and a trolley No. 4, and the trolley No. 3 and the trolley No. 4 are respectively fixed to the trolley No. 1 and the trolley No. 2 by bolting with stirrups.
In step S9, the inter-vehicle line connection includes line connection between No. 1 vehicle and the connection bridge, normal line connection between No. 1 vehicle and No. 2 vehicle, connection between No. 3 vehicle and No. 4 vehicle through the extension line, and connection between No. 4 vehicle and No. 5 vehicle through the extension line.
In the step S10, the pipeline connection is determined by comprehensively considering the tunneling length of the shield tunneling machine and the length of the bottom plate of the starting well after the shield tunneling machine starts, the tunneling length is the connection length of the connecting bridge and the shield body pipeline, the length of the bottom plate is the connection length of the connecting bridge and the number 1 trolley connected to the shield body, the starting well needs to be provided with the horizontal transportation distance of the storage battery car, the pipeline between the connecting bridge and the shield body adopts an extension pipeline, and the length of the extension pipeline is determined according to the total length of the connecting bridge and the number 1 trolley.
Compared with the prior art, the invention has the beneficial effects that:
the method adopts a trolley superposition method in the split starting of the deep starting well shield machine, reduces the extension length of the pipeline, technically solves the risk potential hazards of high-pressure oil pipe explosion and the like, and realizes effective control on cost and safety; the trolleys are placed on the two sides of the shield body, and the trolley placing mode adopts a superposition method, so that the trolley placing length is shortened, and the construction problems of long pipelines and the like caused by the conventional split starting technology are effectively solved; the steel plate and the stirrups are arranged on the bottom plate, so that the consistency of the elevation of the bottom plate is ensured, the integral stability of a trolley placing area is ensured, and the construction safety is ensured;
the method solves the construction characteristics of deeper buried depth, small length of the bottom plate and the like of the starting well, avoids the construction risk caused by the burst of the high-pressure oil pipe due to the longer extension of the pipeline when the shield machine is started separately, and saves the construction cost; meanwhile, the construction method has the characteristics of high construction progress, labor saving, high safety and the like, and is simple in process, novel, convenient to operate and wide in adaptability.
Drawings
FIG. 1 is a schematic view of the construction process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a split starting method for stacking a deep starting well shield machine trolley comprises the following steps:
s1, planning the storage positions of the trolleys on the bottom plate of the deep starting well: the deep starting well is designed in a circular shape, a connecting bridge and a trolley of the shield machine are placed on two sides of the circular starting well, equipment placed on the left side of a starting well bottom plate is the connecting bridge and the trolley 5, and equipment placed on the right side of the bottom plate is the trolley 1, the trolley 2, the trolley 3 and the trolley 4;
s2, paving 20mm steel plates in the region of the bottom plate placing trolley, aligning and leveling the bottom plate, wherein the alignment and leveling of the bottom plate requires the same elevation of the bottom plate;
s3, installing stirrups in the starting bottom plate trolley placement area and reinforcing;
s4, detaching the trolley belt frame and the air duct, and reserving bolt holes in front and at back of the upper parts of the main beams of the No. 1 trolley and the No. 2 trolley;
reinforcing two sides of a main beam at the bottom of the S5, 1-type and 2-type trolleys;
s6, stirrups are installed at the tops of the trolleys No. 1 and No. 2;
s7, hoisting and lowering the shaft by a trolley on the left side of the bottom plate;
s8, hoisting and lowering the trolley at the right side of the bottom into the well;
s9, connecting pipelines between trolleys;
and S10, connecting the bridge and the shield body through pipelines.
In step S1, the carriage 1 and the carriage 2 are placed on the floor, the carriage 3 is placed above the carriage 2, and the carriage 4 is placed above the carriage 1.
In step S3, the stirrup adopts 200H shaped steel processing, highly is 300mm, and the interval is laid for 1m, and this stirrup sets up highly places bottom plate sewage and gets into the platform truck, and the stirrup processing adopts 100 channel-section steels to consolidate, guarantees the stability of stirrup.
In the step S4, the belt frame and the air duct of the 1 st trolley, the 2 nd trolley, the 3 rd trolley, the 4 th trolley and the 5 th trolley are removed, and the belt frame and the air duct are removed for stacking and storing the trolleys and reducing the weight of the trolleys, so that the construction safety is ensured.
In the step S5, the bottom main beam of the trolley is provided with two sides for installing the travelling wheels, and the reinforcing mode is that two pieces of 200H-shaped steel are welded on the main beam side respectively, so that the trolley is prevented from being deformed due to the superposition of the trolley. The inner side of the section steel is welded with a rib plate, so that the overall stability of the No. 1 trolley and the No. 2 trolley is improved.
In step S6, the stirrup is made of 200H-shaped steel and is 250mm high, the height of the oil pipe at the top of the trolley is reserved by the height of the stirrup, and the welding flange at the bottom of the stirrup is connected with the reserved bolt holes at the tops of the trolleys No. 1 and No. 2.
In the step S7, the devices placed on the left side of the bottom plate are a connecting bridge and a trolley No. 5, and the horizontal position of the trolley No. 5 is at the same position as the trolley No. 2.
In step S8, the devices placed on the right side of the bottom plate are a trolley No. 1, a trolley No. 2, a trolley No. 3, and a trolley No. 4, and the trolley No. 3 and the trolley No. 4 are respectively fixed to the trolley No. 1 and the trolley No. 2 by bolting with stirrups. The No. 1 trolley is an operation room and a mortar tank, and the No. 2 trolley is a working area consuming materials and is placed at the bottom for construction safety; and the hydraulic pump station and the hydraulic system are positioned on the 3 # trolley and the 4 # trolley and are placed on the upper parts of the 1 # trolley and the 2 # trolley to protect the shield equipment.
In step S9, the inter-vehicle line connection is to plan the placement area of the vehicle according to the previous floor, and the inter-vehicle line connection is to process the inter-vehicle line according to the distance between the vehicle 2 and the vehicle 3, and includes the inter-vehicle line connection between the vehicle 1 and the connection bridge, the vehicle 1 and the vehicle 2 are normally connected by the line, the vehicle 3 and the vehicle 4 are connected by the extension line, and the vehicle 4 and the vehicle 5 are connected by the extension line.
In the step S10, the pipeline connection is determined by comprehensively considering the tunneling length of the shield tunneling machine and the length of the bottom plate of the starting well after the shield tunneling machine starts, the tunneling length is the connection length of the connecting bridge and the shield body pipeline, the length of the bottom plate is the connection length of the connecting bridge and the number 1 trolley connected to the shield body, the starting well needs to be provided with the horizontal transportation distance of the storage battery car, the pipeline between the connecting bridge and the shield body adopts an extension pipeline, and the length of the extension pipeline is determined according to the total length of the connecting bridge and the number 1 trolley.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (10)
1. A split starting method for stacking a deep starting well shield machine trolley is characterized by comprising the following steps:
s1, planning the storage positions of the trolleys on the bottom plate of the deep starting well: the method comprises the following steps that a connecting bridge and trolleys of the shield tunneling machine are placed on two sides of a circular starting well, equipment placed on the left side of a starting well bottom plate is a connecting bridge and a trolley 5, and equipment placed on the right side of the bottom plate is a trolley 1, a trolley 2, a trolley 3 and a trolley 4;
s2, paving 20mm steel plates in the region of the bottom plate placing trolley, aligning and leveling the bottom plate, wherein the alignment and leveling of the bottom plate requires the same elevation of the bottom plate;
s3, installing stirrups in the starting bottom plate trolley placement area and reinforcing;
s4, detaching the trolley belt frame and the air duct, and reserving bolt holes in front and at back of the upper parts of the main beams of the No. 1 trolley and the No. 2 trolley;
reinforcing two sides of a main beam at the bottom of the S5, 1-type and 2-type trolleys;
s6, stirrups are installed at the tops of the trolleys No. 1 and No. 2;
s7, hoisting and lowering the shaft by a trolley on the left side of the bottom plate;
s8, hoisting and lowering the trolley at the right side of the bottom into the well;
s9, connecting pipelines between trolleys;
and S10, connecting the bridge and the shield body through pipelines.
2. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 1, characterized in that: in step S1, the carriage 1 and the carriage 2 are placed on the floor, the carriage 3 is placed above the carriage 2, and the carriage 4 is placed above the carriage 1.
3. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 1, characterized in that: in step S3, the stirrup is made of 200H-shaped steel, the height is 300mm, the interval is 1m, and the stirrup is reinforced by 100 channel steel, so that the stability of the stirrup is ensured.
4. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 1, characterized in that: in the step S4, the belt holders and the air ducts of the No. 1, No. 2, No. 3, No. 4 and No. 5 trolleys are removed, and the belt holders and the air ducts are removed for stacking the trolleys and storing and reducing the weight of the trolleys.
5. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 1, characterized in that: in the step S5, the bottom main beam of the trolley is provided with two sides for installing the travelling wheels, and the reinforcing mode is that two pieces of 200H-shaped steel are welded on the main beam side respectively, so that the trolley is prevented from being deformed due to the superposition of the trolley.
6. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 1, characterized in that: in step S6, the stirrup is made of 200H-shaped steel and 250mm in height, and the bottom of the stirrup is welded with a flange and connected with the reserved bolt holes in the tops of the trolleys No. 1 and No. 2.
7. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 2, characterized in that: in the step S7, the devices placed on the left side of the bottom plate are a connecting bridge and a trolley No. 5, and the horizontal position of the trolley No. 5 is at the same position as the trolley No. 2.
8. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 2, characterized in that: in step S8, the devices placed on the right side of the bottom plate are a trolley No. 1, a trolley No. 2, a trolley No. 3, and a trolley No. 4, and the trolley No. 3 and the trolley No. 4 are respectively fixed to the trolley No. 1 and the trolley No. 2 by bolting with stirrups.
9. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 1, characterized in that: in step S9, the inter-vehicle line connection includes line connection between No. 1 vehicle and the connection bridge, normal line connection between No. 1 vehicle and No. 2 vehicle, connection between No. 3 vehicle and No. 4 vehicle through the extension line, and connection between No. 4 vehicle and No. 5 vehicle through the extension line.
10. The split starting method for stacking the shield machine trolley of the deep starting well according to claim 1, characterized in that: in the step S10, the pipeline connection is determined by comprehensively considering the tunneling length of the shield tunneling machine and the length of the bottom plate of the starting well after the shield tunneling machine starts, the tunneling length is the connection length of the connecting bridge and the shield body pipeline, the length of the bottom plate is the connection length of the connecting bridge and the number 1 trolley connected to the shield body, the starting well needs to be provided with the horizontal transportation distance of the storage battery car, the pipeline between the connecting bridge and the shield body adopts an extension pipeline, and the length of the extension pipeline is determined according to the total length of the connecting bridge and the number 1 trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315076.3A CN113006806A (en) | 2021-03-24 | 2021-03-24 | Split starting method for stacking deep starting well shield machine trolleys |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315076.3A CN113006806A (en) | 2021-03-24 | 2021-03-24 | Split starting method for stacking deep starting well shield machine trolleys |
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| CN113006806A true CN113006806A (en) | 2021-06-22 |
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| CN202110315076.3A Pending CN113006806A (en) | 2021-03-24 | 2021-03-24 | Split starting method for stacking deep starting well shield machine trolleys |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11304429A (en) * | 1998-04-24 | 1999-11-05 | Tobishima Corp | Ground displacement measuring device |
| CN103422866A (en) * | 2013-08-24 | 2013-12-04 | 中铁十二局集团有限公司 | Underground folding start method for assorted trolleys after shielding |
| CN103711499A (en) * | 2014-01-08 | 2014-04-09 | 中铁十三局集团第六工程有限公司 | Shield tunneling machine split starting construction method |
| CN204552822U (en) * | 2015-04-23 | 2015-08-12 | 北京建工土木工程有限公司 | Suspension outside shield machine separate launching extension pipe threaded list road |
| CN105298503A (en) * | 2015-09-16 | 2016-02-03 | 中铁十局集团第三建设有限公司 | Separate launching construction method of shield tunneling machine in narrow space |
| CN112253151A (en) * | 2020-11-10 | 2021-01-22 | 粤水电轨道交通建设有限公司 | Ultra-deep circular shaft double-line shield split starting construction method |
-
2021
- 2021-03-24 CN CN202110315076.3A patent/CN113006806A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11304429A (en) * | 1998-04-24 | 1999-11-05 | Tobishima Corp | Ground displacement measuring device |
| CN103422866A (en) * | 2013-08-24 | 2013-12-04 | 中铁十二局集团有限公司 | Underground folding start method for assorted trolleys after shielding |
| CN103711499A (en) * | 2014-01-08 | 2014-04-09 | 中铁十三局集团第六工程有限公司 | Shield tunneling machine split starting construction method |
| CN204552822U (en) * | 2015-04-23 | 2015-08-12 | 北京建工土木工程有限公司 | Suspension outside shield machine separate launching extension pipe threaded list road |
| CN105298503A (en) * | 2015-09-16 | 2016-02-03 | 中铁十局集团第三建设有限公司 | Separate launching construction method of shield tunneling machine in narrow space |
| CN112253151A (en) * | 2020-11-10 | 2021-01-22 | 粤水电轨道交通建设有限公司 | Ultra-deep circular shaft double-line shield split starting construction method |
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Application publication date: 20210622 |
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