CN219061643U - Rotary speed adjustable cutter disc for pipe pushing jack based on subway construction - Google Patents
Rotary speed adjustable cutter disc for pipe pushing jack based on subway construction Download PDFInfo
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- CN219061643U CN219061643U CN202222835654.9U CN202222835654U CN219061643U CN 219061643 U CN219061643 U CN 219061643U CN 202222835654 U CN202222835654 U CN 202222835654U CN 219061643 U CN219061643 U CN 219061643U
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- rotary speed
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- speed adjustable
- cutting
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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 belongs to the technical field of push bench, in particular to a rotary speed adjustable cutter disc for a push bench based on subway construction, which comprises a pushing protection cylinder; the end part of the propulsion casing is rotationally connected with a cutter head; the end part of the cutterhead is fixedly connected with a fixed shell; a motor is arranged on the inner side wall of the propulsion casing; the output end of the motor is fixedly connected with a screw rod, and the other end of the screw rod is fixedly connected with the end part of the fixed shell; when meetting the rock layer, drive the cutting piece through the fixed shell and rotate, because the tip of cutting piece is the toper, and the tip is the cockscomb structure, when rotating, can rotate the hole to the rock layer, then smash through the sawtooth for the rock layer receives easy crushing when cutting, avoids cutting blade in cutting process, because the rock is great to the wearing and tearing of cutting blade tip, appears the problem of damage, and then has improved the life of blade disc, has reduced the maintenance number of times to the blade disc.
Description
Technical Field
The utility model relates to the technical field of push bench, in particular to a rotary speed adjustable cutter disc for a push bench based on subway construction.
Background
The pipe jacking machine mainly comprises a rotary excavating system, a main top hydraulic propulsion system, a soil conveying system, a grouting system, measuring equipment, ground hoisting equipment, an electrical system and the like.
In the subway construction process, a push bench cutterhead is required to be used for excavating a subway tunnel, in the excavation process, the power assembly drives the cutterhead to rotate so as to cut and crush soil and rock, and then the water spraying unit is used for wetting, so that a complete subway tunnel is formed.
In the prior art, when the cutter head cuts soil and rock and meets a rock layer with a larger volume, the cutter head rotates along with the cutter head, so that the problem of abrasion to a cutting blade on the surface of the cutter head is solved, the service life of the cutter head is further shortened, and the maintenance cost of the cutter head is increased; therefore, the rotary speed adjustable cutterhead for the pipe pushing jack based on subway construction is provided for solving the problems.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the problems in the background art, the utility model provides a revolving speed-adjustable cutterhead for a push bench based on subway construction.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a revolving speed-adjustable cutterhead for a push bench based on subway construction, which comprises a pushing casing; the end part of the propulsion casing is rotationally connected with a cutter head; the end part of the cutterhead is fixedly connected with a fixed shell; a motor is arranged on the inner side wall of the propulsion casing; the output end of the motor is fixedly connected with a screw rod, and the other end of the screw rod is fixedly connected with the end part of the fixed shell; the end part of the fixed shell is fixedly connected with a cutting piece; the end part of the cutterhead is provided with cutting blades which are in a circumferential array.
Preferably, the screw rod is connected with the sliding plate through a screw rod nut pair; the end part of the sliding plate is provided with a guide unit; the surface of the sliding plate is provided with an annular groove; the surface of the cutterhead is provided with a guide groove; the inner side wall of the guide groove is connected with a cutting plate in a sliding manner; the side end of the cutting plate is fixedly connected with a guide rod.
Preferably, the end part of the guide rod is rotatably connected with a roller; the roller and the slide plate are positioned on the same horizontal plane.
Preferably, the guiding unit comprises a guiding telescopic column; the inner side wall of the propulsion casing is fixedly connected with a guiding telescopic column, and the other end of the guiding telescopic column is fixedly connected to the side wall of the sliding plate.
Preferably, the end of the cutting piece is cone-shaped, and the side wall is serrated; the end of the cutterhead is provided with a mud hole and a plurality of mud holes.
The utility model has the advantages that:
1. according to the utility model, the screw rod is driven to rotate by the starting motor, the fixed shell is driven to rotate when the screw rod rotates, the cutter head is driven to rotate by the fixed shell, the cutting blade is driven to cut soil when the cutter head rotates, when a rock layer is encountered, the cutting blade is driven to rotate by the fixed shell, the end part of the cutting blade is conical and is serrated, when the cutting blade rotates, the rock layer can be rotated, and then crushed by the saw teeth, so that the rock layer is easy to crush when being cut, the problem that the cutting blade is damaged due to the fact that the rock is worn on the end part of the cutting blade in the cutting process is avoided, the service life of the cutter head is prolonged, and the maintenance times of the cutter head are reduced.
2. When the screw rod rotates, the guide unit is improved to limit, the sliding plate is driven to slide towards the side end, the sliding plate is enabled to move towards the side end, the guide rod is extruded, the guide rod is enabled to slide towards the inner side wall of the guide groove, the cutting plate is pushed to slide out, the cutting plate is matched with the cutting piece to cut and crush soil and rock layers, and the working efficiency of the cutter disc is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a first embodiment;
FIG. 2 is a cross-sectional view of the first embodiment;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is a schematic structural view of a wear pad according to a second embodiment.
In the figure: 1. advancing the casing; 21. a motor; 22. a screw rod; 23. a fixed case; 24. cutting the sheet; 25. a cutterhead; 26. a cutting blade; 27. a mud hole; 31. a slide plate; 32. an annular groove; 33. a guide groove; 34. a guide rod; 35. a roller; 36. cutting the plate; 4. guiding the telescopic column; 5. wear-resistant pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
Example 1
Referring to fig. 1-4, a rotary speed adjustable cutterhead for a push bench based on subway construction comprises a push casing 1; the end part of the propulsion casing 1 is rotatably connected with a cutter head 25; the end part of the cutterhead 25 is fixedly connected with a fixed shell 23; the motor 21 is arranged on the inner side wall of the propulsion casing 1; the output end of the motor 21 is fixedly connected with a screw rod 22, and the other end of the screw rod 22 is fixedly connected with the end part of a fixed shell 23; a cutting piece 24 is fixedly connected to the end part of the fixed shell 23; the end part of the cutter disc 25 is provided with a cutting blade 26 which is a circumferential array; during operation, when cutter head 25 cuts earth and rock, when meetting the rock layer that the volume is great, along with the rotation of cutter head 25, can cause the problem of wearing and tearing to cutter blade 26 on cutter head surface, and then reduced cutter head 25's life, improved cutter head 25's cost of maintenance, when need excavate the subway tunnel, drive lead screw 22 through starter motor 21 and rotate, drive fixed shell 23 when lead screw 22 rotates, make fixed shell 23 drive cutter head 25 rotate, drive cutter blade 26 and cut earth when cutter head 25 rotates, when meetting the rock layer, drive cutter blade 24 through fixed shell 23 and rotate, because cutter blade 24's tip is the toper, and the tip is the cockscomb structure, when rotating, can rotate the rock layer, then smash through the sawtooth, make cutter blade 26 receive easy crushing when cutting, avoid cutter blade 26 in the cutting process, because the wearing and tearing of rock to cutter blade 26 tip is great, the problem of damage appears, and then improved cutter head 25's life, the maintenance number of times to cutter head 25 has been reduced.
The screw rod 22 is connected with the sliding plate 31 through a screw rod nut pair; the end of the sliding plate 31 is provided with a guiding unit; the surface of the sliding plate 31 is provided with an annular groove 32; the surface of the cutterhead 25 is provided with a guide groove 33; the inner side wall of the guide groove 33 is connected with a cutting plate 36 in a sliding way; a guide rod 34 is fixedly connected to the side end of the cutting plate 36; during operation, when the screw rod 22 rotates, the guide unit is improved to limit, the sliding plate 31 is driven to slide towards the side end, the sliding plate 31 moves towards the side end, the guide rod 34 is extruded, the guide rod 34 slides towards the inner side wall of the guide groove 33 to push the cutting plate 36 to slide out, and the cutting plate 24 is matched to cut and crush soil and rock layers, so that the working efficiency of the cutterhead 25 is improved.
The end part of the guide rod 34 is rotatably connected with a roller 35; the roller 35 and the slide plate 31 are positioned on the same horizontal plane; when the slide plate 31 presses the guide rod 34, the roller 35 is inserted into the annular groove 32, and the roller 35 is rotationally connected in the annular groove 32 along with the continuous rotation of the cutter disc 25, and the roller 35 is a roller, so that the friction force of rotation can be reduced, and the abrasion problem is avoided.
The guiding unit comprises a guiding telescopic column 4; the inner side wall of the propulsion casing 1 is fixedly connected with a guiding telescopic column 4, and the other end of the guiding telescopic column 4 is fixedly connected to the side wall of the sliding plate 31; during operation, when the slide plate 31 slides, the guiding telescopic column 4 is driven to stretch, so that the guiding telescopic column 4 fixes the slide plate 31, and the problem that the slide plate 31 rotates along with the screw rod 22 is avoided.
The end of the cutting blade 24 is cone-shaped, and the side wall is saw-toothed; the end part of the cutter head 25 is provided with a mud hole 27 and a plurality of mud holes; when the cutter blade 26 and the cutter blade 24 cut and crush soil, the mud is guided through the mud holes 27, so that the mud enters the interior of the propulsion casing 1 and is transported to the end part; during operation, through installing a plurality of mud hole 27 at the tip of blade disc 25, the inside of the mud that is convenient for cut the production is circulated to propulsion casing 1 through mud hole 27, carries to the side, avoids mud to pile up in the outside, influences the excavation progress of blade disc 25.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present utility model, the outer wall of the roller 35 is fixedly connected with a wear pad 5; in operation, the wear-resistant effect of the roller 35 is improved by installing the wear-resistant pad 5 at the end part of the roller 35, and the problem of abrasion caused by the rotation of the roller 35 in the annular groove 32 is avoided.
Working principle: when the cutter disc 25 cuts soil and rock, when encountering rock layers with larger volume, the cutter blades 26 on the surface of the cutter disc are worn along with the rotation of the cutter disc 25, so that the service life of the cutter disc 25 is reduced, the maintenance cost of the cutter disc 25 is improved, when a subway tunnel needs to be excavated, the screw rod 22 is driven to rotate by the starting motor 21, the fixed shell 23 is driven to rotate by the screw rod 22, the cutter disc 25 is driven to rotate by the fixed shell 23, the cutter blades 26 are driven to cut soil when the cutter disc 25 rotates, when encountering rock layers, the cutter blades 24 are driven to rotate by the fixed shell 23, and the end parts of the cutter blades 24 are in a conical shape and are in a sawtooth shape, when rotating, the rock layers can be rotated, and then crushed by the saw teeth, so that the rock layers at the end parts of the cutter blades 26 are easy to crush when being cut, the service life of the cutter disc 25 is further improved, and the maintenance times of the cutter disc 25 are reduced due to the fact that the rock layers at the end parts of the cutter blades 26 are worn greatly; when the screw rod 22 rotates, the guide unit is increased to limit, the sliding plate 31 is driven to slide towards the side end, the sliding plate 31 moves towards the side end, the guide rod 34 is extruded, the guide rod 34 slides towards the inner side wall of the guide groove 33 to push the cutting plate 36 to slide out, and the cutting plate 24 is matched to cut and crush the soil and rock layers, so that the working efficiency of the cutterhead 25 is improved; when the slide plate 31 presses the guide rod 34, the roller 35 is inserted into the annular groove 32, and the roller 35 is rotationally connected in the annular groove 32 along with the continuous rotation of the cutterhead 25, and the roller 35 is a roller, so that the friction force of rotation can be reduced, and the abrasion problem is avoided; when the sliding plate 31 slides, the guiding telescopic column 4 is driven to stretch, so that the guiding telescopic column 4 fixes the sliding plate 31, and the problem that the sliding plate 31 rotates along with the screw rod 22 is avoided; when the cutting blades 26 and the cutting blades 24 cut and crush soil through the mud holes 27, the mud is guided through the mud holes 27, so that the mud enters the interior of the propulsion casing 1 and is transported to the end part; during operation, through installing a plurality of mud hole 27 at the tip of blade disc 25, the inside of the mud that is convenient for cut the production is circulated to propulsion casing 1 through mud hole 27, carries to the side, avoids mud to pile up in the outside, influences the excavation progress of blade disc 25.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a push bench is with cutter disc of adjustable rotational speed based on subway construction which characterized in that: comprises a propulsion casing (1); the end part of the propulsion casing (1) is rotatably connected with a cutter head (25); the end part of the cutter head (25) is fixedly connected with a fixed shell (23); the motor (21) is arranged on the inner side wall of the propulsion casing (1); the output end of the motor (21) is fixedly connected with a screw rod (22), and the other end of the screw rod (22) is fixedly connected with the end part of the fixed shell (23); a cutting sheet (24) is fixedly connected to the end part of the fixed shell (23); the end of the cutterhead (25) is provided with cutting blades (26) and is a circumferential array.
2. The rotary speed adjustable cutterhead for a push bench based on subway construction according to claim 1, wherein the rotary speed adjustable cutterhead comprises: the screw rod (22) is connected with the sliding plate (31) through a screw rod nut pair; the end part of the sliding plate (31) is provided with a guide unit; an annular groove (32) is formed in the surface of the sliding plate (31); the surface of the cutter head (25) is provided with a guide groove (33); the inner side wall of the guide groove (33) is connected with a cutting plate (36) in a sliding way; the side end of the cutting plate (36) is fixedly connected with a guide rod (34).
3. The rotary speed adjustable cutterhead for a push bench based on subway construction according to claim 2, wherein the rotary speed adjustable cutterhead comprises: the end part of the guide rod (34) is rotatably connected with a roller (35); the roller (35) and the sliding plate (31) are positioned on the same horizontal plane.
4. The rotary speed adjustable cutterhead for a push bench based on subway construction according to claim 3, wherein the rotary speed adjustable cutterhead comprises: the guiding unit comprises a guiding telescopic column (4); the inner side wall of the propulsion casing (1) is fixedly connected with a guiding telescopic column (4), and the other end of the guiding telescopic column (4) is fixedly connected to the side wall of the sliding plate (31).
5. The rotary speed adjustable cutterhead for a push bench based on subway construction according to claim 4, wherein the rotary speed adjustable cutterhead comprises: the end of the cutting blade (24) is tapered, and the side wall is serrated.
6. The rotary speed adjustable cutterhead for a push bench based on subway construction according to claim 5, wherein the rotary speed adjustable cutterhead comprises: the end part of the cutter head (25) is provided with a mud hole (27) and a plurality of mud holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222835654.9U CN219061643U (en) | 2022-10-26 | 2022-10-26 | Rotary speed adjustable cutter disc for pipe pushing jack based on subway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222835654.9U CN219061643U (en) | 2022-10-26 | 2022-10-26 | Rotary speed adjustable cutter disc for pipe pushing jack based on subway construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219061643U true CN219061643U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222835654.9U Active CN219061643U (en) | 2022-10-26 | 2022-10-26 | Rotary speed adjustable cutter disc for pipe pushing jack based on subway construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219061643U (en) |
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2022
- 2022-10-26 CN CN202222835654.9U patent/CN219061643U/en active Active
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