Novel cutter head for tube push bench

Abstract

The utility model provides a novel cutter head for a tube push bench, which relates to the technical field of cutter heads for tube push benches, and comprises a cutter head frame, a fixed cutter post is rotatably connected in the cutter head frame, fixed seats are fixedly mounted at two ends of the fixed cutter post, one end of each fixed seat is rotatably connected with a stabilizer bar group, and the other end of each fixed seat is fixedly connected with the stabilizer bar group. And cutter heads are fixedly mounted at the two ends of the fixed seat through bolts. The cutter head has the advantages that the cylindrical supporting structure capable of being rotationally adjusted is arranged in the cutter head frame, the dial is arranged at one end of the cylindrical supporting structure and rotates along with the cylindrical supporting structure, after the cutter head and the cylindrical supporting structure are installed, the angle of the cutter head is adjusted, the rotating angle of the cutter head is accurately measured through the dial, and the cutter head can be accurately adjusted. And the position of the cylindrical supporting structure is fixed through a screw rod, so that the mounting angle of the cutterhead can be effectively adjusted, multi-angle mounting and use of the cutterhead are facilitated, and the use convenience of the cutterhead is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutter discs for pipe jacking machines, in particular to a new type of cutter disc for pipe jacking machines. Background Art

[0002] With the development of more and more urban underground projects, in order to reduce road traffic congestion and protect the environment, the pipe jacking method is usually used for construction. The pipe jacking method refers to the use of a pipe jacking machine in the working pit with the help of the jacking force generated by the jacking equipment to overcome the friction between the pipeline and the surrounding soil, push the pipeline into the soil according to the designed slope, and transport the soil away. In the process of urban underground pipeline corridor construction, the harsh rock environment puts forward more stringent requirements on the pipe jacking construction cutter head of trenchless operation.

[0003] CN202223253108.0 introduces a pipe jacking machine and its cutterhead device. The cutterhead frame can be installed with a variety of different types of cutterheads. When different geological conditions are encountered during the construction of the pipe jacking machine, the original cutterhead can be removed and replaced with a cutterhead suitable for the current geological conditions. This enables a pipe jacking machine to construct different geological conditions, improves the adaptability of the pipe jacking machine, saves construction costs, and improves construction efficiency. However, the cutterhead frame is not convenient for adjusting the angle of the cutterhead when installing the cutterhead, which is not conducive to the multi-angle installation and use of the cutterhead. Utility Model Content

[0004] Therefore, the purpose of the utility model is to provide a new type of cutter head for a pipe jacking machine to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a new type of cutter disc for a pipe jacking machine, including a pipe jacking machine body, a cutter disc frame is fixedly installed at one end of the pipe jacking machine body, a fixed cutter column is rotatably connected inside the cutter disc frame, fixed seats are fixedly installed at both ends of the fixed cutter column, a stabilizing rod group is rotatably connected at one end of the fixed seat, the cutter disc is fixedly installed at both ends of the fixed seat by bolts, a scale dial is fixedly installed at one end of the fixed cutter column, and a fastening screw is arranged on one side of the scale dial.

[0006] Preferably, any of the above schemes has an adjustment groove matched with the fixed knife column formed inside the cutter disc frame, and a plurality of mud discharge holes are formed on the circumference of the cutter disc frame, and the adjustment groove and the mud discharge holes are cross-distributed.

[0007] The above technical solution is adopted: an adjustment groove is set inside the cutter disc frame to facilitate the fixing of the knife column to drive the cutter disc to rotate through the fixed seat, so as to facilitate the adjustment of the angle of the cutter disc, and a mud discharge hole is set to facilitate the discharge of mud during the working process of the cutter disc, thereby ensuring the stability of the operation of the pipe jacking machine.

[0008] Preferably, any of the above schemes has fastening holes matched with the fastening screws at both ends of the fixed knife column, and a plug-in slot matched with the knife disc is provided in the middle of the fixed knife column.

[0009] Preferably, any of the above schemes has rotation grooves adapted to the stabilizing rod assembly formed at both ends of the fixing seat, and protective rubber plates are fixedly mounted at both ends of the fixing seat, and the protective rubber plates are located on both sides of the blade disc.

[0010] The above technical solution is adopted: the fixed knife column rotates inside the knife disc frame, and the angle of the fixed knife column is adjusted so that the fixed knife column can drive the fixed seat to rotate. During the rotation process, the fixed seat drives the protective rubber plate to elastically deform, and the protective rubber plate is used to seal and protect the adjustment groove, thereby improving the safety of the internal structure of the knife disc frame.

[0011] Preferably, from any of the above schemes, the stabilizing rod group includes a rotating sleeve, a stabilizing spring and a movable slide, the rotating sleeve is rotatably connected to one end of the fixed seat, a stabilizing spring is fixedly installed inside the rotating sleeve, and a movable slide movably connected to the rotating sleeve is fixedly installed at one end of the stabilizing spring.

[0012] The above technical solution is adopted: the fixed seat rotates to drive the rotating sleeve to move, so that the rotating sleeve drives the stabilizing spring to expand and contract, and the rotating sleeve slides along the movable slide to adjust the total length of the rotating sleeve and the movable slide. In the process of the rotating sleeve moving, the rotating sleeve and the fixed seat generate relative rotation to ensure the supporting performance of the stabilizing rod group on the fixed seat.

[0013] Preferably, any of the above schemes is that a limit block inserted into the plug-in slot is provided at one end of the middle portion of the cutter disc, and the fastening screw passes through the cutter disc frame and is inserted into the interior of the fixed cutter column.

[0014] The above technical solution is adopted: the limit block is used to fix the knife column to limit and fix the cutter disc, thereby ensuring the stability of the cutter disc installation, and the fastening screw is adjusted to fix the adjusted fixed knife column.

[0015] Preferably, any of the above schemes is provided with scale readings on the circumference of the scale disk, and the scale disk is rotatably connected to the inside of the cutter disc holder.

[0016] The above technical solution is adopted: the scale plate is rotated with the fixed knife column, and the installation angle of the knife plate is judged by observing the scale on the scale plate, so as to facilitate accurate adjustment of the installation angle of the knife plate.

[0017] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0018] 1. A cylindrical support structure that can be rotated and adjusted is set inside the cutter disc frame, and a dial is set at one end of the cylindrical support structure to rotate with the cylindrical support structure. After the cutter disc and the cylindrical support structure are installed, the angle of the cutter disc is adjusted, and the rotation angle of the cutter disc is accurately measured by the dial, and the position of the cylindrical support structure is fixed by a screw, so that the installation angle of the cutter disc can be effectively adjusted, which is convenient for the installation and use of the cutter disc at multiple angles and improves the convenience of using the cutter disc.

[0019] 2. An elastic closed protective structure is set at both ends of the cylindrical support structure, and an elastic support structure is set to provide auxiliary support for the cylindrical support structure to improve the stability of the cylindrical support structure adjustment.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 It is a structural schematic diagram according to an embodiment of the utility model;

[0023] Figure 2 It is a side view structural schematic diagram according to an embodiment of the utility model;

[0024] Figure 3 It is a structural schematic diagram of a fixed knife column according to an embodiment of the utility model;

[0025] Figure 4 It is a schematic cross-sectional structure diagram of a fixed knife column according to an embodiment of the utility model;

[0026] Among them: 1- pipe jacking machine body, 2- cutter head frame, 3- fixed cutter column, 4- fixed seat, 5- stabilizing rod group, 51- rotating sleeve, 52- stabilizing spring, 53- movable slide plate, 6- cutter head, 7- dial, 8- fastening screw, 9- protective rubber plate, 10- limit block, 11- adjusting groove, 12- mud discharge hole. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description.

[0028] like Figure 1-4As shown, a new type of cutter disc for a pipe jacking machine according to an embodiment of the utility model comprises a pipe jacking machine body 1, a cutter disc frame 2 is fixedly installed at one end of the pipe jacking machine body 1, a fixed cutter column 3 is rotatably connected inside the cutter disc frame 2, fixed seats 4 are fixedly installed at both ends of the fixed cutter column 3, a stabilizing rod group 5 is rotatably connected to one end of the fixed seat 4, a cutter disc 6 is fixedly installed at both ends of the fixed seat 4 by bolts, a scale plate 7 is fixedly installed at one end of the fixed cutter column 3, and a fastening screw 8 is arranged on one side of the scale plate 7.

[0029] Preferably, any of the above schemes has an adjusting groove 11 adapted to the fixed blade column 3 formed inside the cutter disc frame 2, and a plurality of mud discharge holes 12 formed on the circumference of the cutter disc frame 2, wherein the adjusting groove 11 and the mud discharge holes 12 are cross-distributed.

[0030] The above technical solution is adopted: an adjustment groove 11 is set inside the cutter disc frame 2 to facilitate the fixing of the cutter column 3 to drive the cutter disc 6 to rotate through the fixed seat 4, so as to facilitate the adjustment of the angle of the cutter disc 6, and a mud discharge hole 12 is set to facilitate the discharge of mud during the working process of the cutter disc, thereby ensuring the stability of the operation of the pipe jacking machine.

[0031] Preferably, any of the above schemes has fastening holes matched with the fastening screws 8 at both ends of the fixed knife column 3 , and a plug-in slot matched with the knife disc 6 at the middle of the fixed knife column 3 .

[0032] Preferably, any of the above schemes has rotation grooves adapted to the stabilizing rod set 5 formed at both ends of the fixing seat 4 , and protective rubber plates 9 are fixedly mounted at both ends of the fixing seat 4 , and the protective rubber plates 9 are located on both sides of the cutter disc 6 .

[0033] The above technical solution is adopted: the fixed knife column 3 rotates inside the knife disc frame 2, and the angle of the fixed knife column 3 is adjusted, so that the fixed knife column 3 can drive the fixed seat 4 to rotate. During the rotation, the fixed seat 4 drives the protective rubber plate 9 to elastically deform, and the protective rubber plate 9 is used to seal and protect the adjustment groove 11, thereby improving the safety of the internal structure of the knife disc frame 2.

[0034] Preferably, from any of the above schemes, the stabilizing rod group 5 includes a rotating sleeve 51, a stabilizing spring 52 and a movable slide plate 53, the rotating sleeve 51 is rotatably connected to one end of the fixed seat 4, the stabilizing spring 52 is fixedly installed inside the rotating sleeve 51, and one end of the stabilizing spring 52 is fixedly installed with a movable slide plate 53 movably connected to the rotating sleeve 51.

[0035] The above technical solution is adopted: the fixed seat 4 rotates to drive the rotating sleeve 51 to move, so that the rotating sleeve 51 drives the stabilizing spring 52 to extend and retract, and the rotating sleeve 51 slides along the movable slide 53 to adjust the total length of the rotating sleeve 51 and the movable slide 53. In the process of the rotating sleeve 51 moving, the rotating sleeve 51 and the fixed seat 4 generate relative rotation, thereby ensuring the supporting performance of the stabilizing rod group 5 on the fixed seat 4.

[0036] Preferably, any of the above schemes is that a limit block 10 inserted into the insertion groove is provided at one end of the middle of the cutter disc 6 , and the fastening screw 8 passes through the cutter disc frame 2 and is inserted into the interior of the fixed cutter column 3 .

[0037] The above technical solution is adopted: the limit block 10 is used to fix the knife column 3 to limit and fix the knife disc 6, thereby ensuring the stability of the installation of the knife disc 6, and the fastening screw 8 is adjusted to fix the adjusted fixed knife column 3.

[0038] Preferably, any of the above solutions is that the circumference of the scale plate 7 is provided with scale readings, and the scale plate 7 is rotatably connected to the inside of the cutter head frame 2.

[0039] The above technical solution is adopted: the scale plate 7 is rotated along with the fixed knife column 3, and the installation angle of the knife disc 6 is judged by observing the scale on the scale plate 7, so as to facilitate accurate adjustment of the installation angle of the knife disc.

[0040] The utility model discloses a new type of cutter disc for pipe jacking machine, and its working principle is as follows:

[0041] Install the cutter disc 6 on the fixed cutter column 3, unscrew the fastening screw 8, rotate the cutter disc 6 to the required position, screw in the fastening screw 8 to complete the fixation of the cutter disc 6, and during the rotation of the cylindrical cutter column 3, drive the rotating sleeve 51 to compress the stabilizing spring 52 to adjust the elasticity of the protective rubber plate 9.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] 1. A cylindrical support structure that can be rotated and adjusted is set inside the cutter disc frame 2, and a dial 7 is set at one end of the cylindrical support structure to rotate with the cylindrical support structure. After the cutter disc 6 and the cylindrical support structure are installed, the angle of the cutter disc 6 is adjusted, and the rotation angle of the cutter disc 6 is accurately measured by the dial 7, and the position of the cylindrical support structure is fixed by the screw 8, so that the installation angle of the cutter disc 6 can be effectively adjusted, which is convenient for the cutter disc 6 to be installed and used at multiple angles, thereby improving the convenience of using the cutter disc 6.

[0044] 2. An elastic closed protective structure is set at both ends of the cylindrical support structure, and an elastic support structure is set to provide auxiliary support for the cylindrical support structure to improve the stability of the cylindrical support structure adjustment.

Claims

1. A new type of cutterhead for a pipe jacking machine, comprising a pipe jacking machine body (1), one end of which is fixedly mounted a cutterhead frame (2), characterized in that: The cutter disc frame (2) is rotatably connected to a fixed cutter column (3) inside, and fixed seats (4) are fixedly installed at both ends of the fixed cutter column (3), and one end of the fixed seat (4) is rotatably connected to a stabilizing rod group (5), and a cutter disc (6) is fixedly installed at both ends of the fixed seat (4) by bolts, and a scale plate (7) is fixedly installed at one end of the fixed cutter column (3), and a fastening screw (8) is provided on one side of the scale plate (7).

2. A new type of cutter head for a pipe jacking machine as claimed in claim 1, characterized in that: An adjustment groove (11) adapted to the fixed blade column (3) is provided inside the cutter disc frame (2), and a plurality of mud discharge holes (12) are provided on the circumference of the cutter disc frame (2), wherein the adjustment groove (11) and the mud discharge holes (12) are cross-distributed.

3. A new type of cutter head for a pipe jacking machine as claimed in claim 2, characterized in that: Both ends of the fixed knife column (3) are provided with fastening holes matched with the fastening screw rod (8), and the middle part of the fixed knife column (3) is provided with a plug-in slot matched with the knife disc (6).

4. A new type of cutter head for a pipe jacking machine as claimed in claim 3, characterized in that: The two ends of the fixing seat (4) are provided with rotation grooves adapted to the stabilizing rod group (5), and the two ends of the fixing seat (4) are fixedly mounted with protective rubber plates (9), which are located on both sides of the blade disc (6).

5. A new type of cutter head for a pipe jacking machine as claimed in claim 4, characterized in that: The stabilizing rod group (5) comprises a rotating sleeve (51), a stabilizing spring (52) and a movable slide plate (53); the rotating sleeve (51) is rotatably connected to one end of the fixed seat (4); the stabilizing spring (52) is fixedly installed inside the rotating sleeve (51); and the movable slide plate (53) movably connected to the rotating sleeve (51) is fixedly installed at one end of the stabilizing spring (52).

6. A new type of cutter head for a pipe jacking machine as claimed in claim 5, characterized in that: A limiting block (10) inserted into the plug-in slot is provided at one end of the middle of the cutter disc (6), and the fastening screw (8) passes through the cutter disc frame (2) and is inserted into the interior of the fixed cutter column (3).

7. A new type of cutter head for a pipe jacking machine as claimed in claim 6, characterized in that: The circumference of the scale disk (7) is provided with scale readings, and the scale disk (7) is rotatably connected to the inside of the cutter head frame (2).

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