CN219299310U - Blowout prevention guide sleeve of shield spiral conveyor - Google Patents
Blowout prevention guide sleeve of shield spiral conveyor Download PDFInfo
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- CN219299310U CN219299310U CN202320095777.5U CN202320095777U CN219299310U CN 219299310 U CN219299310 U CN 219299310U CN 202320095777 U CN202320095777 U CN 202320095777U CN 219299310 U CN219299310 U CN 219299310U
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- discharging pipeline
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model provides a shield constructs screw conveyer prevents gushing kuppe, includes slag tap pipeline, buffer board, installing rail, still includes screw machine and band conveyer, slag tap pipeline includes first end and second end, and slag tap pipeline is circular-arc, and slag tap pipeline is formed by little bent plate, big bent plate, first curb plate and second curb plate surrounding; the buffer plate is obliquely arranged at the first end of the slag discharging pipeline, the buffer plate is arranged on the small bending plate of the slag discharging pipeline, and the width of the buffer plate is smaller than that of the slag discharging pipeline; the screw machine comprises a slag hole, the slag hole is detachably connected with the blowout prevention air guide sleeve, and the belt conveyor is positioned below the blowout prevention air guide sleeve. The utility model can effectively solve the problems that the belt cannot normally convey dregs after gushing and the like in stratum shield construction with larger water content. By arranging the buffer plate in the air guide sleeve, the impact force generated when the soil outlet of the screw machine gushes can be reduced, and the slag soil is guided to flow to the belt.
Description
Technical Field
The utility model relates to the technical field of shield spiral conveyors, in particular to a blowout prevention guide sleeve of a shield spiral conveyor.
Background
In shield tunnel construction, strata such as a water-rich fracture zone and a river are often encountered, especially in the southern city of China, so that shield construction in strata such as the water-rich fracture zone and the river is a challenge for shield operators. The water-rich stratum has high water content and high fluidity, and is extremely easy to gush. During shield construction of the water-rich stratum, the mud guard at the slag hole of the screw conveyor is vertically discharged downwards, if the discharged slag soil has high water content, the up-slope section of the belt conveyor can be caused to slip, the slag soil cannot be normally conveyed, serious side leakage of the slag soil can be caused, the slag soil flows to a tunnel, tunnel pollution is caused, time and labor are wasted in cleaning the tunnel, the whole construction progress is influenced, and a plurality of disadvantages are brought to construction.
The current blowout preventer mainly relies on screw conveyer to discharge out with the inside dregs of soil storehouse, and the dregs of discharging falls into behind supporting trolley belt and carries out afterwards, because the trolley belt front end is the uphill section, if the dregs moisture content of screw conveyer discharge is great in the water-rich stratum, the belt just can not effectively carry out dregs, if shield operating personnel parameter control's is improper, still can lead to a large amount of muddy water, dregs inflow shield internal, influences the construction.
The patent 202021648647.2 discloses a blowout prevention device for a screw conveyor of a shield tunneling machine, which is characterized in that a set of blowout prevention device is arranged in the screw conveyor to keep a gate clean and effective and can close the gate in time to prevent the blowout of the screw machine;
the 201911009112.2 device for preventing soil from being discharged and gushed by a soil bin of a shield tunnel and a construction method are provided, and the principle is that a set of water-gushing prevention device is arranged in a shield machine, water-absorbing particles are pressed into the soil bin by a pneumatic pump according to the water content of slag, and slag soil is improved so as to achieve a plastic flowing effect;
the 202110294958.6 device and the method for preventing gushing and improving shield tunneling efficiency of the water-rich stratum are based on the principle that the gushing prevention is utilized to rapidly release pressure and drain away dregs;
the patent 202210135650.1 discloses a blowout prevention shield screw machine and a method for applying the screw machine, wherein a slag discharge pipeline of the screw machine body communicated with the system is connected with a flow distribution box, and a spherical cavity, a piston plate and a connecting rod are arranged in the flow distribution box, so that the blowout caused by slag discharge of the screw machine is reduced.
The above patents are all relatively complex and require cumbersome operation procedures.
Disclosure of Invention
The utility model aims to provide a blowout prevention air guide sleeve of a shield spiral conveyor, which at least solves one of the problems in the background technology.
The technical scheme of the utility model is as follows:
a shield-screw conveyor blowout prevention pod, comprising:
the slag discharging pipeline comprises a first end and a second end, the slag discharging pipeline is arc-shaped, and the slag discharging pipeline is formed by encircling a small bending plate, a large bending plate, a first side plate and a second side plate;
the buffer plate is obliquely arranged at the first end of the slag discharging pipeline, the buffer plate is arranged on the small bending plate of the slag discharging pipeline, and the width of the buffer plate is smaller than that of the slag discharging pipeline;
the mounting rail is fixedly arranged at the first end of the slag discharging pipeline and is fixedly arranged on the first side plate and the second side plate.
Further, the buffer plate is fixedly connected with the slag discharging pipeline, and the buffer plate is made of elastic materials.
Further, the slag discharging device further comprises an elastic mechanism, wherein the elastic mechanism is arranged in the slag discharging pipeline, the buffer plate is hinged to the slag discharging pipeline, and the elastic mechanism is in elastic fit with the buffer plate.
Further, the elastic mechanism is a spring, one end of the spring is fixedly connected with the buffer plate, and the other end of the spring is fixedly connected with the inner wall of the small slag discharging pipeline bending plate.
Further, the outer wall of the small bending plate of the slag discharging pipeline is fixedly provided with a lifting lug.
Further, one surface of the buffer plate, which is close to the first end of the slag discharging pipeline, is provided with a plurality of air guide rib plates.
Further, still include screw machine and band conveyer, the screw machine includes the slag notch, the slag notch with prevent gushing kuppe detachable connection, band conveyer is located prevent gushing kuppe below.
Further, angle irons are welded below the slag hole, and the mounting rail of the blowout prevention flow guide cover is detachably connected with the angle irons.
Further, the detachable connection is a bolted connection.
Compared with the prior art, the utility model provides the blowout prevention guide cover of the shield spiral conveyor, which has at least one of the following improvements and advantages:
the utility model can effectively solve the problems that the belt cannot normally convey dregs after gushing and the like in stratum shield construction with larger water content. A buffer plate is arranged in the guide cover, so that impact force generated when the soil outlet of the screw machine gushes can be reduced, slag soil is guided to flow to the belt, and the belt can more effectively convey the slag soil with higher water content. Prevent the tunnel pollution caused by gushing and ensure the continuity of construction operation. Simple and reasonable structure, convenient and fast operation, and convenient installation and disassembly.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic structural view of a blowout prevention air guide sleeve of a shield spiral conveyor;
FIG. 2 is a schematic view of another angle of the blowout prevention flow guide cover of the shield spiral conveyor;
FIG. 3 is a schematic view of a portion of the structure of the present utility model;
fig. 4 is an application diagram of a blowout prevention flow guide cover of a shield spiral conveyor.
Reference numerals illustrate:
1. a slag discharging pipeline; 2. a buffer plate; 3. a mounting rail; 4. a spring; 5. lifting lugs; 6. a screw machine;
7. a belt conveyor; 11. a first end; 12. a second end; 13. a small bending plate; 14. a large bending plate;
15. a first side plate; 16. and a second side plate.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
In addition, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
The utility model provides a blowout prevention flow guide cover of a shield spiral conveyor through improvement, which comprises the following technical scheme:
example 1
A blowout prevention pod for a shield screw conveyor, as shown in fig. 2, comprising: the slag discharging pipeline 1, the slag discharging pipeline 1 comprises a first end 11 and a second end 12, the slag discharging pipeline 1 is arc-shaped, as shown in fig. 1, and the slag discharging pipeline 1 is formed by encircling a small bending plate 13, a large bending plate 14, a first side plate 15 and a second side plate 16. The slag discharging pipeline 1 is made of stainless steel. The slag discharging pipeline 1 is used for guiding slag soil.
As shown in fig. 2, the blowout prevention air guide sleeve of the shield screw conveyor further comprises a buffer plate 2, the buffer plate 2 is obliquely arranged at the first end 11 of the slag discharge pipeline 1, the buffer plate 2 is arranged on the small bending plate 13 of the slag discharge pipeline 1, the width of the buffer plate 2 is smaller than that of the slag discharge pipeline 1, and the buffer plate 2 adopts an elastic design.
The elastic design is as follows: the buffer plate 2 is fixedly connected with the slag discharging pipeline 1, and the buffer plate 2 is made of elastic materials. When the gushing occurs, the buffer plate 2 plays a role of pressure reduction impact, so that the gushing pressure is prevented from being too high, slag is sprayed out, and a tunnel is polluted. The buffer plate 2 is made of elastic materials, and can automatically restore to the original position after being impacted, so that a good decompression effect is achieved for high-pressure gushing. And the construction progress is prevented from being influenced by factors such as slag soil pollution, mud cleaning and the like.
As shown in fig. 1, the blowout prevention air guide sleeve of the shield spiral conveyor further comprises mounting rails 3, the mounting rails 3 are fixedly arranged at the first end 11 of the slag discharging pipeline 1, and two mounting rails 3 are respectively and fixedly arranged on the first side plate 15 and the second side plate 16. The mounting rail 3 is used for mounting and connecting the guide cover with a slag hole of the shield spiral conveyor. The blowout prevention guide cover is arranged on the shield spiral conveyor by using the mounting rail 3.
As shown in fig. 4, the blowout prevention guide cover of the shield screw conveyor further comprises a screw machine 6 and a belt conveyor 7, the screw machine 6 comprises a slag hole, the slag hole is detachably connected with the blowout prevention guide cover, angle irons are welded below the slag hole, and the mounting rail 3 of the blowout prevention guide cover is detachably connected with the angle irons through bolts. The belt conveyor 7 is located below the blowout prevention pod.
The installation of the blowout prevention guide cover or not can be switched at will according to the site construction condition, the blowout prevention guide cover can be fixed below a slag hole of the screw machine 6 during construction in normal stratum, once the stratum with high water content is entered, the blowout prevention guide cover can be installed vertically and quickly, the shoveled slag soil is guided to flow to the belt, the tunneling speed is effectively improved, and the construction progress is accelerated.
As shown in fig. 1, a lifting lug 5 is fixedly arranged on the outer wall of the small bending plate 13 of the slag discharging pipeline 1. The lifting lug 5 is used for fixing the air guide sleeve, and the air guide sleeve can be fixed on an equipment bridge by using a hoist, so that the next use is convenient, tunnel pollution caused by gushing is avoided, and the construction progress is influenced.
The buffer plate 2 is provided with a plurality of air guide rib plates (not shown) on the surface close to the first end 11 of the slag tapping pipeline 1. The air guide rib plates are used for further guiding and buffering the dregs, and meanwhile, play a certain role in protecting the buffer plate 2, so that the damage of the air guide plates when the spraying pressure is too high and the dregs are sprayed for many times is prevented.
Example two
As shown in fig. 3, the elastic design is: the shield screw conveyer prevents gushing kuppe still includes elastic mechanism, elastic mechanism sets up in the pipeline 1 of slagging tap, buffer board 2 with pipeline 1 articulates of slagging tap, elastic mechanism with buffer board 2 elastic fit.
The elastic mechanism is a spring 4, one end of the spring 4 is fixedly connected with the buffer plate 2, and the other end of the spring 4 is fixedly connected with the inner wall of the small bending plate 13 of the slag discharging pipeline 1. When the gushing occurs, the buffer plate 2 plays a role of pressure reduction impact, so that the gushing pressure is prevented from being too high, slag is sprayed out, and a tunnel is polluted. The spring 4 is designed to enable the buffer plate 2 to restore to the original position by itself after being impacted, so that a good decompression effect is achieved for high-pressure gushing. And the construction progress is prevented from being influenced by factors such as slag soil pollution, mud cleaning and the like.
The rest of the structure of this embodiment is the same as that of the first embodiment.
Claims (9)
1. The utility model provides a shield constructs screw conveyer blowout prevention kuppe which characterized in that includes:
the slag discharging pipeline (1), the slag discharging pipeline (1) comprises a first end (11) and a second end (12), the slag discharging pipeline (1) is arc-shaped, and the slag discharging pipeline (1) is formed by encircling a small bending plate (13), a large bending plate (14), a first side plate (15) and a second side plate (16);
the buffer plate (2) is obliquely arranged at the first end (11) of the slag discharging pipeline (1), the buffer plate (2) is arranged on the small bending plate (13) of the slag discharging pipeline (1), and the width of the buffer plate (2) is smaller than that of the slag discharging pipeline (1);
the mounting rail (3), the mounting rail (3) is fixed to be set up slag tap pipeline (1) first end (11), the mounting rail (3) is fixed to be set up on first curb plate (15) and second curb plate (16).
2. A shield screw conveyor surge protection pod according to claim 1, wherein the buffer plate (2) is fixedly connected to the tapping line (1), the buffer plate (2) being made of an elastic material.
3. A shield screw conveyor blowout prevention air guide sleeve as in claim 1 further comprising an elastic mechanism disposed in the slag tapping pipe (1), the buffer plate (2) hinged to the slag tapping pipe (1), the elastic mechanism cooperating with the buffer plate (2).
4. A shield screw conveyor blowout prevention air guide sleeve as claimed in claim 3, wherein the elastic mechanism is a spring (4), one end of the spring (4) is fixedly connected with the buffer plate (2), and the other end of the spring (4) is fixedly connected with the inner wall of the small bending plate (13) of the slag discharge pipeline (1).
5. A shield spiral conveyor blowout prevention air guide sleeve as in claim 2 or 4, wherein the outer wall of the small bending plate (13) of the slag discharging pipeline (1) is fixedly provided with a lifting lug (5).
6. A shield screw conveyor surge protection hood according to claim 5, characterized in that the buffer plate (2) is provided with a number of guide ribs on the side close to the first end (11) of the tapping line (1).
7. A shield-screw conveyor surge-prevention pod as claimed in claim 5, further comprising a screw (6) and a belt conveyor (7), the screw (6) comprising a slag tap, the slag tap being detachably connected to the surge-prevention pod, the belt conveyor (7) being located below the surge-prevention pod.
8. A shield screw conveyor surge protection pod according to claim 7, wherein angle irons are welded below the slag hole, and the mounting rail (3) of the surge protection pod is detachably connected with the angle irons.
9. A shield tunneling conveyor surge protection pod according to claim 8 wherein the removable connection is a bolted connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320095777.5U CN219299310U (en) | 2023-02-01 | 2023-02-01 | Blowout prevention guide sleeve of shield spiral conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320095777.5U CN219299310U (en) | 2023-02-01 | 2023-02-01 | Blowout prevention guide sleeve of shield spiral conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299310U true CN219299310U (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320095777.5U Active CN219299310U (en) | 2023-02-01 | 2023-02-01 | Blowout prevention guide sleeve of shield spiral conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299310U (en) |
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2023
- 2023-02-01 CN CN202320095777.5U patent/CN219299310U/en active Active
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