CN215369888U - Municipal open-type rectangular pipe jacking machine - Google Patents
Municipal open-type rectangular pipe jacking machine Download PDFInfo
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- CN215369888U CN215369888U CN202121814169.2U CN202121814169U CN215369888U CN 215369888 U CN215369888 U CN 215369888U CN 202121814169 U CN202121814169 U CN 202121814169U CN 215369888 U CN215369888 U CN 215369888U
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- jacking
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Abstract
The utility model discloses a municipal open-type rectangular pipe jacking machine which comprises a guide rail, wherein a heading machine, a rectangular pipeline sheet and a jacking iron are arranged on the guide rail, a cutter head is arranged on the heading machine, the rectangular pipeline sheet and the jacking iron are of rectangular ring structures, one side of the jacking iron, which is close to the rectangular pipeline sheet, is fixedly provided with a jacking iron ring sheet through a bolt, the jacking iron ring sheet is provided with an annular convex edge along the inner edge, the outer wall of the annular convex edge can be tightly attached to the inner wall of the rectangular pipeline sheet, the other side of the jacking iron is fixedly provided with an oil cylinder fixing frame, a plurality of pipe jacking oil cylinders are arranged on the oil cylinder fixing frame, the piston rod ends of the pipe jacking oil cylinders are fixedly connected with the jacking iron, and one side of the oil cylinder fixing frame, which is far away from the jacking iron, is fixedly provided with a supporting cushion block. When the pipe is pushed, the top iron ring sheet can be detached, when the top iron ring sheet is abraded, only the bolt needs to be screwed off, and the top iron ring sheet is replaced, so that the efficiency is high, and the cost is saved; when the top iron ring piece is pressed, the annular convex edge can extend to the inner wall of the rectangular pipeline piece to limit the rectangular pipeline piece, and the precision of the jacking pipe is higher.
Description
Technical Field
The utility model belongs to the technical field of push bench, and particularly relates to a municipal open-type rectangular push bench.
Background
With the continuous development and improvement of pipe jacking technology, pipe jacking machines are widely applied to the construction of urban underground pipelines, power pipelines, tunnels and subway entrances and exits; in municipal rectangular section tunnel construction, an open type rectangular pipe jacking machine is commonly used.
The rectangular pipe jacking machine needs to jack the rectangular pipeline pieces one by one to the heading machine through jacking iron jacking on the guide rail through the pipe jacking oil cylinder, and the rectangular pipeline pieces are jacked to the heading machine and are tunneled forwards along with the heading machine, but the existing jacking iron is a whole, the jacking side face of the jacking iron is frequently worn due to frequent extrusion of the pipeline pieces, so that the whole jacking iron needs to be replaced, the operation is very inconvenient, and meanwhile, the jacking side face of the jacking iron is not limited when jacking the pipeline pieces, so that the pipe jacking precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a municipal open type rectangular push bench to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a municipal open-type rectangular push bench comprises a guide rail, wherein a tunneling machine, a rectangular pipeline sheet and a top iron which can slide along the track of the guide rail are sequentially arranged on the guide rail from left to right, the heading machine is provided with a cutter head, the rectangular pipeline sheets and the top iron are both rectangular ring structures, a top iron ring sheet matched with the side surface of the rectangular pipeline sheet is fixed on one side of the top iron close to the rectangular pipeline sheet through a bolt, the top iron ring sheet is provided with an annular convex edge along the inner edge, the outer wall of the annular convex edge can be tightly attached to the inner wall of the rectangular pipeline sheet, an oil cylinder fixing frame is fixedly arranged on one side of the top iron, which is far away from the tunneling machine, a plurality of top pipe oil cylinders facing the top iron are arranged on the oil cylinder fixing frame, and the piston rod end of the jacking pipe oil cylinder is fixedly connected with the jacking iron, and one side of the oil cylinder fixing frame, which is far away from the jacking iron, is fixedly provided with a supporting cushion block.
Preferably, a plurality of the bolts are uniformly arranged along the top iron ring sheet.
Preferably, the top iron ring sheet and the annular flange thereof may be sized as desired.
Preferably, the top iron ring piece is provided with a groove for surrounding the bolt.
Preferably, the top iron ring sheet is flat in surface and coated with a wear-resistant coating.
Preferably, the pipe jacking oil cylinders are uniformly arranged along the side surface of the jacking iron.
Compared with the prior art, the utility model has the beneficial effects that:
1. the top iron ring sheet can be detached, when the top iron ring sheet is abraded, only the bolt needs to be screwed off to replace the top iron ring sheet, the efficiency is high, and the cost is saved;
2. when the top iron ring piece is pressed, the annular convex edge can extend to the inner wall of the rectangular pipeline piece to limit the rectangular pipeline piece, so that the pipe jacking precision is higher;
3. the top iron ring sheet has a flat surface and is coated with a wear-resistant coating, and the service life is long.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a left side view schematic diagram of the top iron, the top iron ring sheet and the annular flange of the present invention;
FIG. 3 is a schematic cross-sectional view of the top iron, the bolt, the top iron ring sheet, the annular flange and the groove of the present invention.
In the figure: 1. a guide rail; 2. a heading machine; 3. rectangular duct pieces; 4. carrying out iron jacking; 5. a cutter head; 6. a bolt; 7. a top iron ring sheet; 8. an annular flange; 9. a cylinder fixing frame; 10. a pipe jacking oil cylinder; 11. supporting the cushion block; 12. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1: referring to fig. 1-3, the present invention provides a technical solution: a municipal open-type rectangular pipe jacking machine comprises a guide rail 1, wherein a heading machine 2, a rectangular pipeline sheet 3 and a top iron 4 which can slide along the track of the heading machine are sequentially arranged on the guide rail 1 from left to right, a cutter head 5 is arranged on the heading machine 2, the rectangular pipeline sheet 3 and the top iron 4 are both of a rectangular ring structure, one side of the top iron 4 close to the rectangular pipeline sheet 3 is fixedly provided with a top iron ring sheet 7 matched with the side surface of the rectangular pipeline sheet 3 through a bolt 6, the top iron ring sheet 7 is provided with an annular convex edge 8 along the inner edge, the outer wall of the annular convex edge 8 can be tightly attached to the inner wall of the rectangular pipeline sheet 3, one side of the top iron 4 far away from the heading machine 2 is fixedly provided with an oil cylinder fixing frame 9, the oil cylinder fixing frame 9 is provided with a plurality of oil cylinders 10 facing the top iron 4, and the ends of the pistons of the pipe oil cylinders 10 are all fixedly connected with the top iron 4, and a supporting cushion block 11 is fixed on one side of the oil cylinder fixing frame 9, which is far away from the top iron 4.
In the embodiment, when jacking is carried out, the rectangular pipeline pieces 3 are placed on the guide rail 1 piece by piece, the jacking oil cylinder 10 jacks the jacking iron 4 to jack the rectangular pipeline pieces 3 to the position of the tunneling machine 2, the tunneling machine 2 carries out excavation through rotation of the cutter head 5 and advances under the pushing of the jacking oil cylinder 10, the installation and jacking of the next rectangular pipeline piece 3 are carried out on the same principle, when the jacking iron ring piece 7 is worn, the jacking iron ring piece 7 is replaced only by screwing off the bolt 6, the efficiency is high, and the cost is saved; and meanwhile, when the top iron ring sheet 7 is pressed, the annular convex edge 8 can extend to the inner wall of the rectangular pipeline sheet 3 to limit the rectangular pipeline sheet, and the pipe jacking precision is higher.
Specifically, the bolts 6 are uniformly arranged along the top iron ring sheet 7.
In this embodiment, the top iron ring sheet 7 and the top iron 4 are more stably fixed through the bolts 6.
Specifically, the size of the top iron ring sheet 7 and the annular flange 8 thereof can be set as required.
In this embodiment, the top iron ring sheet 7 and the annular convex edge 8 thereof can be adjusted along with the rectangular pipe sheets 3 with different sizes, so that the rectangular pipe sheets 3 with various sizes can be jacked.
Specifically, the top iron ring sheet 7 is provided with a groove 12 which surrounds the bolt 6.
In this embodiment, through enclosing bolt 6 in recess 12 for do not influence top iron ring 7 roof pressure rectangle pipeline piece 3, bolt 6 is difficult for being touched simultaneously, and is more stable.
Specifically, the top iron ring sheet 7 is flat in surface and coated with a wear-resistant coating.
In this embodiment, the top iron ring sheet 7 is coated with a wear-resistant coating on its surface, so that its service life can be prolonged.
Specifically, the pipe jacking oil cylinders 10 are uniformly arranged along the side surface of the ejector iron 4.
In the embodiment, the jacking pressure of the jacking pipe oil cylinder 10 on the jacking iron 4 is more uniform, and the jacking precision is improved.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
The working principle is as follows: when jacking is carried out, the rectangular pipeline pieces 3 are placed on the guide rail 1 piece by piece, the jacking oil cylinder 10 jacks the jacking iron 4 to slide on the guide rail 1, so that the jacking iron ring piece 7 is driven to jack the rectangular pipeline pieces 3 to the position of the tunneling machine 2, the tunneling machine 2 performs excavation through rotation of the cutter head 5 and advances under pushing of the jacking oil cylinder 10, then the jacking oil cylinder 10 pulls the jacking iron 4 to return, the installation and jacking of the next rectangular pipeline piece 3 are carried out on the same principle, the rectangular pipeline pieces 3 are continuously increased along with the continuous increase of the rectangular pipeline pieces 3, so that the rectangular pipeline pieces 3 are uniformly pushed into the soil along with the tunneling machine 2 to lay pipelines, when the jacking iron ring pieces 7 are worn, only the bolts 6 need to be screwed off to replace the jacking iron ring pieces 7, the efficiency is high, and the cost is saved; and meanwhile, when the top iron ring sheet 7 is pressed, the annular convex edge 8 can extend to the inner wall of the rectangular pipeline sheet 3 to limit the rectangular pipeline sheet, and the pipe jacking precision is higher.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The municipal open type rectangular pipe jacking machine is characterized by comprising a guide rail (1), wherein a heading machine (2), a rectangular pipeline sheet (3) and a top iron (4) which can slide along a track of the guide rail (1) are sequentially installed on the guide rail (1) from left to right, a cutter head (5) is installed on the heading machine (2), the rectangular pipeline sheet (3) and the top iron (4) are rectangular ring structures, one side of the top iron (4) close to the rectangular pipeline sheet (3) is fixedly provided with a top iron ring sheet (7) matched with the side face of the rectangular pipeline sheet (3) through a bolt (6), the top iron ring sheet (7) is provided with an annular convex edge (8) along the inner edge, the outer wall of the annular convex edge (8) can be tightly attached to the inner wall of the rectangular pipeline sheet (3), and one side of the top iron (4) far away from the heading machine (2) is fixedly provided with an oil cylinder fixing frame (9), install a plurality of orientations on hydro-cylinder mount (9) push pipe hydro-cylinder (10) of top iron (4), the equal fixed connection of piston rod end of push pipe hydro-cylinder (10) top iron (4), hydro-cylinder mount (9) are kept away from one side of top iron (4) is fixed with lip block (11).
2. The municipal open rectangular pipe jacking machine according to claim 1, wherein a plurality of said bolts (6) are uniformly arranged along said top iron ring piece (7).
3. The municipal open rectangular push bench according to claim 1, wherein the top iron ring plate (7) and the annular flange (8) thereof are dimensioned as desired.
4. The municipal open rectangular pipe jacking machine according to claim 1, wherein said top iron ring (7) is provided with a groove (12) enclosing said bolt (6).
5. The municipal open rectangular pipe jacking machine according to claim 1, wherein said top iron ring pieces (7) are flat and coated with a wear resistant coating.
6. The municipal open-type rectangular pipe jacking machine according to claim 1, wherein the pipe jacking cylinders (10) are uniformly arranged along the side surfaces of the jacking irons (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814169.2U CN215369888U (en) | 2021-08-04 | 2021-08-04 | Municipal open-type rectangular pipe jacking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814169.2U CN215369888U (en) | 2021-08-04 | 2021-08-04 | Municipal open-type rectangular pipe jacking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215369888U true CN215369888U (en) | 2021-12-31 |
Family
ID=79615616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121814169.2U Active CN215369888U (en) | 2021-08-04 | 2021-08-04 | Municipal open-type rectangular pipe jacking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215369888U (en) |
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2021
- 2021-08-04 CN CN202121814169.2U patent/CN215369888U/en active Active
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