CN220469928U - Slag discharging device for slag discharging of shield machine - Google Patents
Slag discharging device for slag discharging of shield machine Download PDFInfo
- Publication number
- CN220469928U CN220469928U CN202321782781.5U CN202321782781U CN220469928U CN 220469928 U CN220469928 U CN 220469928U CN 202321782781 U CN202321782781 U CN 202321782781U CN 220469928 U CN220469928 U CN 220469928U
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- Prior art keywords
- slag
- slag discharging
- shield machine
- box
- discharging
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- 239000002893 slag Substances 0.000 title claims abstract description 171
- 238000007599 discharging Methods 0.000 title claims abstract description 110
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 238000010079 rubber tapping Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 210000001624 hip Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a slag discharging device for slag discharging of a shield machine, which comprises: a slag discharge receiving port, which is opposite to a slag discharge port of a screw machine of the shield machine to receive slag discharged by the screw machine; the upper end of the slag discharging box is communicated with the slag discharging receiving opening to receive the slag falling from the slag discharging receiving opening; the slag discharging falling port is communicated with the bottom end of the slag discharging material box so as to receive slag soil falling from the slag discharging material box, and the slag discharging falling port is abutted against a slag soil conveying belt of the shield machine; the arc-shaped opening groove is formed in the side wall of the bottom end of the slag discharging material box. The slag discharging device is characterized in that the side wall of the bottom end of the slag discharging material box is provided with an arc-shaped opening groove, so that the space of a slag discharging falling opening is enlarged, and a slag soil block with a larger shape is convenient to pass through.
Description
Technical Field
The utility model belongs to the technical field of subway tunnel construction equipment and facilities, and particularly relates to a slag discharging device for slag discharging of a shield tunneling machine.
Background
The shield tunneling machine is tunneling equipment using a shield tunneling method, the shield tunneling machine is pushed forward along the axis of a tunnel and excavates soil, the excavated muck is required to be transported out through a spiral conveyer, at present, muck stirred by the shield tunneling machine flows out from a muck outlet and falls on a conveyor belt, the muck is conveyed onto a muck truck by the conveyor belt, when the shield tunneling machine encounters a clay stratum, the shield tunneling machine is stopped for too long, massive muck blocks with larger shapes are easy to form after restarting, when the muck blocks fall from the muck outlet to the conveyor belt for forward transportation, the section of the muck blocks with larger shapes at the muck outlet is a reverse trapezoid baffle, and as gaps between the reverse trapezoid baffle and the conveyor belt are smaller, the reverse trapezoid baffle can only block the muck blocks with larger shapes generally only through scattered muck, so that the conveyor belt cannot transport the muck blocks with larger shapes out, and a stagnation phenomenon is generated.
For example, patent application document CN202222015045.9 discloses a slag discharging mechanism of a shield machine, which comprises a hopper, wherein a slag discharging port which is internally and externally communicated is formed in the lower end face of the hopper, a transverse sieve plate is arranged on the upper side of the slag discharging port, the side walls of the sieve plate are fixedly connected with the inner walls of the hopper, collecting ports are respectively formed in the inner walls of the two ends of the hopper, which are positioned on the upper side of the sieve plate, a collecting hopper is fixedly connected with the side walls of the hopper corresponding to the collecting ports, a transverse scraping plate is arranged on the upper side of the sieve plate, a moving mechanism for moving the position of the scraping plate is arranged between the scraping plate and the inner wall of the hopper, and a group of vibrating rods are arranged on the inner wall of the hopper.
In the prior art, the hopper adopts a funnel-shaped structure with a large upper part and a small lower part, and the situation that a large-shaped dregs block can be blocked still exists;
the slag soil of the hopper is vibrated by arranging a group of vibration rods on the inner wall of the hopper, so that the complexity of the equipment is increased, and the overhaul and maintenance cost is increased.
Based on the technical problems in the prior art, the utility model provides a slag discharging device for slag discharging of a shield machine.
Disclosure of Invention
The utility model aims to provide a slag discharging device for slag discharging of a shield machine, aiming at the defects of the prior art.
The utility model provides a slag discharging device for slag discharging of a shield machine, which comprises:
a slag discharge receiving port, which is opposite to a slag discharge port of a screw machine of the shield machine to receive slag discharged by the screw machine;
the upper end of the slag discharging box is communicated with the slag discharging receiving opening to receive the slag falling from the slag discharging receiving opening;
the slag discharging falling port is communicated with the bottom end of the slag discharging material box so as to receive slag soil falling from the slag discharging material box, and the slag discharging falling port is abutted against a slag soil conveying belt of the shield machine;
the arc-shaped opening groove is formed in the side wall of the bottom end of the slag discharging material box.
Further, the section of the slag discharging box is square, and the side length of the upper end of the slag discharging box is larger than that of the lower end of the slag discharging box.
Further, the slag discharging box comprises 4 isosceles trapezoid baffles with the same structure, wherein the waists of the adjacent isosceles trapezoid baffles are fixedly connected, the upper bottoms of the adjacent isosceles trapezoid baffles face the same direction, and the lower bottoms of the adjacent isosceles trapezoid baffles face the same direction.
Further, an anti-slag device is arranged in the slag discharging material box.
Further, the slag preventing device comprises 2-3 anti-sticking steel wire ropes which are arranged in the slag discharging box and are at different heights, the anti-sticking steel wire ropes are arranged in the steel rings in a penetrating mode, the steel rings are welded on the inner wall of the slag discharging box, and the anti-sticking steel wire ropes are connected end to end.
Further, the slag adhesion preventing device comprises a plurality of steel barrier strips fixedly arranged in the slag discharging material box.
Further, the inner wall of the isosceles trapezoid baffle is coated with an anti-sticking and wear-resistant coating.
Further, the isosceles trapezoid baffle is provided with an inserting hole.
Further, the arc-shaped opening groove is formed in the lower bottom of each isosceles trapezoid baffle.
Further, the arc-shaped opening groove is formed in the lower bottoms of the two isosceles trapezoid baffles.
The beneficial effects of the utility model are as follows:
1. according to the slag discharging device for the slag discharging of the shield machine, the arc-shaped opening groove is formed in the side wall of the bottom end of the slag discharging material box, so that the space of a slag discharging falling opening is enlarged, and a slag soil block with a larger shape can conveniently pass through.
2. According to the slag discharging device for the slag discharging of the shield machine, the anti-sticking steel wire ropes are arranged at different heights in the slag discharging material box, so that edge cutting can be carried out on slag blocks with larger shapes, the outline of the slag blocks with larger shapes is gradually reduced, and the slag discharging device is convenient to pass.
3. According to the slag discharging device for the slag discharging of the shield machine, the anti-sticking wear-resistant coating is coated on the inner wall of the isosceles trapezoid baffle, so that slag is not easy to adhere to the isosceles trapezoid baffle.
Drawings
FIG. 1 is a top view of a slag tapping device for slag tapping of a shield machine in an embodiment of the utility model;
FIG. 2 is a front view of a slag tapping device for slag tapping of a shield machine in an embodiment of the utility model;
fig. 3 is a schematic structural view of a steel bar according to an embodiment of the present utility model.
In the figure:
1-deslagging receiving ports;
2-a slag discharging box, 21-an isosceles trapezoid baffle, 22-a slag preventing device, 221-a steel wire rope, 222-a steel ring and 23-a steel barrier strip;
3-deslagging a falling port;
4-arc open slot.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model can be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, it being understood that the embodiments and features of the embodiments may be combined with each other without conflict.
Examples
In this embodiment, a slag discharging device for slag discharging of a shield machine is provided, which can effectively solve the problem that when shield construction meets clay stratum, the shield machine is stopped for too long, massive slag-soil blocks with larger shapes are easy to form after restarting, and when a conveyor belt is transported, a reverse trapezoid baffle blocks the slag-soil blocks with larger shapes, so that the conveyor belt cannot transport the slag-soil blocks with larger shapes, and a stagnation and discharge phenomenon is generated.
Specifically, as shown in fig. 1-2, the slag tapping device for slag tapping of the shield machine comprises:
a slag discharge receiving port 1 which is opposite to a slag discharge port of a screw machine of the shield machine so as to receive slag discharged by the screw machine;
the upper end of the slag discharging box 2 is communicated with the slag discharging receiving opening 1 to receive the slag falling from the slag discharging receiving opening 1;
the slag discharging and falling opening 3 is communicated with the bottom end of the slag discharging material box 2 to receive slag soil falling from the slag discharging material box 2, and the slag discharging and falling opening 3 is abutted against a slag soil conveying belt of the shield machine;
the arc-shaped opening groove 4 is formed in the side wall of the bottom end of the slag discharging material box 2.
In the above embodiment, the arc-shaped open slot 4 actually enlarges the size of the slag discharging and dropping opening 3, so as to facilitate the dropping of the slag soil;
the slag discharging material box is made of a JFE-C500 or JFE-C550 material;
the section of the slag discharging box 2 is square, the side length of the upper end of the slag discharging box 2 is larger than that of the lower end of the slag discharging box 2, so that the slag discharging box 2 forms a funnel-shaped structure with a large inlet and a small outlet, and slag falling from the slag discharging receiving port passes through the slag discharging box 2 and enters the slag discharging falling port 3;
the slag discharge box 2 comprises 4 isosceles trapezoid baffles 21 with the same structure, wherein the waists of the adjacent isosceles trapezoid baffles 21 are fixedly connected, the upper bottoms of the adjacent isosceles trapezoid baffles 21 face the same direction, and the lower bottoms of the adjacent isosceles trapezoid baffles 21 face the same direction;
wherein, 4 isosceles trapezoid baffle plates 21 with the same structure are welded into a funnel-shaped structure with square cross sections and openings at the upper and lower parts in a welding mode.
An anti-sticking slag device 22 is arranged in the slag discharging material box 2;
the slag preventing device 22 comprises 2-3 anti-sticking steel wire ropes 221 which are arranged in the slag discharging box 2 and have different heights, the anti-sticking steel wire ropes 221 are arranged in steel rings 222 in a penetrating manner, the steel rings 222 are welded on the inner wall of the slag discharging box 2, and the anti-sticking steel wire ropes 221 are connected end to end;
in the above embodiment, by arranging the anti-sticking steel wire ropes 221 at different height positions, the situation that the slag is stuck on the inner wall of the slag discharging box is effectively reduced;
a certain space exists between the anti-sticking steel wire rope 221 and the inner wall of the slag discharging box 2, so that the anti-sticking steel wire rope 221 can cut the fallen slag;
meanwhile, the added two rows of annular steel wire ropes play a role in limiting displacement and increasing reverse tension on the isosceles trapezoid baffle 21, so that larger dregs can pass through the slag discharging and falling opening 3 easily;
an anti-sticking slag device 22 is arranged in the slag discharging material box 2;
as shown in fig. 3, the slag preventing device 2 includes a plurality of steel bars 23 fixedly arranged in the slag discharging box 2;
the steel barrier strips 23 are welded in the slag discharge box 2 through steel belts;
in the above embodiment, the steel bars 23 are encountered against during the falling of the large pieces of muck, which are divided into small pieces of muck.
The inner wall of the isosceles trapezoid baffle is coated with an anti-sticking wear-resistant coating;
in the above embodiment, the anti-sticking and wear-resistant coating is formed by spraying ceramic material on the inner wall surface of the isosceles trapezoid baffle 21 by plasma spraying, arc spraying or flame spraying.
The isosceles trapezoid baffle 21 is provided with an inserting hole;
in the above embodiment, through the insertion hole, the breaking of the large-sized muck may be achieved manually, so that the muck falls onto the muck conveyor.
The arc-shaped open slot 4 is formed in the lower bottom of each isosceles trapezoid baffle 21;
in the above embodiment, in actual construction, the arc-shaped open groove 4 may be cut into a semicircular shape by using oxy-acetylene on the lower bottom of the isosceles trapezoid baffle 21, and the cut surface of the arc-shaped open groove 4 may be polished in order to facilitate the falling of the large-sized residue.
The arc-shaped open slot 4 is formed on the lower bottoms of the two isosceles trapezoid baffles 21;
in the above embodiment, the two isosceles trapezoid baffles 21 may be two opposite isosceles trapezoid baffles 21, and the two isosceles trapezoid baffles 21 may also be two adjacent isosceles trapezoid baffles 21.
The present utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims.
Claims (10)
1. A slag tapping device for slag tapping of a shield machine, comprising:
a slag discharge receiving port, which is opposite to a slag discharge port of a screw machine of the shield machine to receive slag discharged by the screw machine;
the upper end of the slag discharging box is communicated with the slag discharging receiving opening to receive the slag falling from the slag discharging receiving opening;
the slag discharging falling port is communicated with the bottom end of the slag discharging material box so as to receive slag soil falling from the slag discharging material box, and the slag discharging falling port is abutted against a slag soil conveying belt of the shield machine;
the arc-shaped opening groove is formed in the side wall of the bottom end of the slag discharging material box.
2. The slag discharging device for slag discharging of a shield machine according to claim 1, wherein the section of the slag discharging box is square, and the side length of the upper end of the slag discharging box is larger than the side length of the lower end of the slag discharging box.
3. The slag discharging device for slag discharging of a shield machine according to claim 1 or 2, wherein the slag discharging box comprises 4 isosceles trapezoid baffles of the same structure, wherein waists of adjacent isosceles trapezoid baffles are fixedly connected, upper bottoms of adjacent isosceles trapezoid baffles face in the same direction, and lower bottoms of adjacent isosceles trapezoid baffles face in the same direction.
4. The slag discharging device for slag discharging of a shield machine according to claim 3, wherein an anti-slag device is arranged inside the slag discharging bin.
5. The slag discharging device for slag discharging of a shield machine according to claim 4, wherein the slag preventing device comprises 2-3 anti-sticking steel wire ropes which are arranged in the slag discharging box and are at different heights, the anti-sticking steel wire ropes are arranged in steel rings in a penetrating mode, the steel rings are welded on the inner wall of the slag discharging box, and the anti-sticking steel wire ropes are connected end to end.
6. The slag discharging device for slag discharging of a shield machine according to claim 4, wherein the slag preventing device comprises a plurality of steel bars fixedly arranged in the slag discharging feed box.
7. A slag tapping device for slag tapping of a shield machine according to claim 3, wherein the inner wall of the isosceles trapezoid baffle is coated with an anti-sticking and wear-resistant coating.
8. The slag discharging device for slag discharging of a shield machine according to claim 3, wherein the isosceles trapezoid baffle is provided with an insertion hole.
9. A slag tapping device for slag tapping of a shield machine according to claim 3, wherein the arc-shaped open slot is provided on the lower bottom of each isosceles trapezoid baffle.
10. The slag tapping device for slag tapping of a shield machine according to claim 8, wherein the arc-shaped opening groove is formed on the lower bottoms of two isosceles trapezoid baffles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321782781.5U CN220469928U (en) | 2023-07-08 | 2023-07-08 | Slag discharging device for slag discharging of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321782781.5U CN220469928U (en) | 2023-07-08 | 2023-07-08 | Slag discharging device for slag discharging of shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220469928U true CN220469928U (en) | 2024-02-09 |
Family
ID=89774541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321782781.5U Active CN220469928U (en) | 2023-07-08 | 2023-07-08 | Slag discharging device for slag discharging of shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220469928U (en) |
-
2023
- 2023-07-08 CN CN202321782781.5U patent/CN220469928U/en active Active
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