Hydraulic cutting mechanism for large cement pipeline
By combining the clamping and rotating device with the cutting device, the side-rolling fixation and rotary cutting of the pipe are realized, which solves the problems of difficult operation and poor applicability in the existing technology and improves the applicability and ease of operation of the large cement pipe cutting machine.
Patent Information
- Application Number
- CN202520529341.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Existing pipe cutting machines are difficult to operate when fixing pipes and have poor applicability, especially when cutting pipes with larger diameters.
By employing a clamping and rotating device and a cutting device, the pipe is fixed by rolling in from the side, and clamping, rotating and cutting are performed by hydraulic and motor drive. Combined with a chip suction device and a positioning device, pipes with larger diameters can be cut.
It improves the convenience of pipe fixing operations and the applicability of the machine, enabling it to cut pipes with larger diameters and effectively clean up cutting dust through a dust suction device.
Smart Images

Figure CN223971908U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of pipe cutting machines, and in particular to a hydraulic cutting mechanism for large cement pipes. Background Technology
[0002] A complete pipeline is usually made up of multiple pipeline segments laid in sequence. In order to adapt to the laying length and terrain requirements, the pipeline needs to be cut during the laying process.
[0003] Existing pipe cutting machines, such as the Chinese utility model patent CN221773598U (authorization announcement number: a cutting and processing device for conveying pipes in water conservancy projects), represent a class of prior art whose main structure includes a clamping component, a cutting component, and a counterweight. The clamping component clamps and fixes the pipe, the cutting component cuts the pipe, and the counterweight prevents the machine from tipping over when clamping the pipe.
[0004] However, the existing technology and equipment still have the following problems when in use: the existing machines use a full clamping method to fix the pipe, which requires the pipe to be inserted from one side of the machine, making the operation relatively difficult. In addition, the existing machines use a saw blade that moves up and down to cut through the entire pipe. When using a saw blade of the same size, the limit of the pipe diameter that can be cut is relatively small, and the machine has poor applicability. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides a large-scale cement pipe hydraulic cutting mechanism that can roll the pipe into the machine from the side and fix it by setting a clamping and rotating device, which is convenient for workers to operate. Furthermore, by setting a clamping and rotating device and a cutting device, the pipe is clamped and rotated and the pipe wall is rotated and cut, which can cut pipes with larger diameters and improve the applicability of the machine.
[0006] This utility model discloses a large-scale hydraulic cutting mechanism for cement pipes, including a machine body; it also includes a clamping and rotating device, a cutting device, a chip suction device, and a positioning device, all of which are mounted on the machine body. The machine body provides support, the clamping and rotating device clamps and rotates the pipe, the cutting device cuts the pipe, the chip suction device absorbs the dust generated during cutting, and the positioning device positions the pipe at the cutting location.
[0007] Preferably, the machine body includes a support frame 1, a support frame 2, and a support frame 3. The support frame 1 is provided with a guide slope, an installation groove, and multiple sliding grooves 1 and 2. The support frame 2 is installed on the top of the support frame 1, and the support frame 3 is installed on the support frame 2. The support frame 3 is provided with two mounting platforms on its side to provide support.
[0008] Preferably, the clamping and rotating device includes a hydraulic cylinder 1, multiple guide rods, a bracket 4, a conveying roller 1, a conveying roller 2, a reducer 1, a motor 1, two hydraulic cylinders 2, a bracket 5, and a conveying roller 3. The hydraulic cylinder 1 is fixedly installed in the mounting groove of the bracket 1. The multiple guide rods are slidably installed in multiple sliding grooves 1 of the bracket 1. The bracket 4 is installed on the top of the hydraulic cylinder 1 and the multiple guide rods. The conveying roller 1 is rotatably installed on the bracket 4. The conveying roller 2 is rotatably installed on the bracket 2. The reducer 1 is fixedly installed on the side end of the bracket 2, and the reducer 1 passes through the bracket 2 and is rotatably connected to the conveying roller 2. Motor 1 is fixedly installed on one side of the reducer, and motor 1 provides power to conveying roller 2 through reducer 1. Two hydraulic cylinders 2 are respectively installed on the top of the two mounting platforms of bracket 3. Bracket 5 is installed on the two hydraulic cylinders 2. Conveying roller 3 is rotatably installed on bracket 5. Hydraulic cylinder 1 provides power to drive conveying roller 1 to move up and down, motor 1 provides power to drive conveying roller 2 to rotate, and hydraulic cylinder 2 provides power to drive conveying roller 3 to move back and forth. Hydraulic cylinder 1, motor 1 and hydraulic cylinder 2 cooperate to drive conveying roller 1, conveying roller 2 and conveying roller 3 to clamp and rotate the pipe.
[0009] Preferably, the cutting device includes a hydraulic cylinder three, a support six, a reducer two, a motor two, and a saw blade. The hydraulic cylinder three is fixedly installed at the front end of the support three, the support six is installed at the bottom end of the hydraulic cylinder three, the reducer two is fixedly installed at the bottom of the support six, the motor two is fixedly installed at the side end of the reducer two, and the saw blade is rotatably installed at the other side end of the reducer two. The motor two provides power to the saw blade through the reducer two. The hydraulic cylinder three provides power to drive the saw blade to move up and down, and the motor two provides power to drive the saw blade to rotate. The hydraulic cylinder three and the motor two cooperate to drive the saw blade to cut the pipe.
[0010] Preferably, the chip removal device includes a bracket seven, a fan, a suction nozzle, and a dust collection bag. The bracket seven is fixedly installed on three sides of the bracket, the fan is installed on the side of the bracket seven, the suction nozzle is installed at the bottom of the fan, and the dust collection bag is installed at the top of the fan. The fan provides airflow to draw the chips generated from cutting into the dust collection bag through the suction nozzle, and the dust collection bag filters and retains the chips.
[0011] Preferably, the positioning device includes a bracket eight, a bracket nine, and a roller. The bracket eight is slidably installed in the slide groove two of the bracket one. A scale and a positioning plate are provided at the top of the bracket eight. The bracket nine is fixedly installed at the bottom of the bracket eight, and the roller is rotatably installed at the bottom of the bracket nine. Pulling the bracket eight can position the cutting position of the pipe through the positioning plate. The scale of the bracket eight facilitates the control of the positioning length. The bracket nine supports the bracket eight to prevent the bracket eight from tilting when it extends. The roller rotates freely to reduce the friction between the bracket nine and the ground.
[0012] Compared with the prior art, the advantages of this utility model are: the pipe can be rolled into the machine from the side and fixed, which is more convenient for workers to operate; and by clamping and rotating the pipe and rotating and cutting the pipe wall, pipes with larger diameters can be cut, and the machine has good applicability. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the isometric structure of this utility model;
[0014] Figure 2 This is an isometric structural diagram of the fuselage;
[0015] Figure 3 This is an isometric structural diagram of the clamping and rotating device;
[0016] Figure 4 This is a schematic diagram of the isometric cross-sectional structure of the cutting device;
[0017] Figure 5 This is an isometric structural diagram of the chip suction device;
[0018] Figure 6 This is an isometric structural diagram of the positioning device.
[0019] The attached diagram is labeled as follows: 01. Machine body; 11. Support 1; 12. Support 2; 13. Support 3; 02. Clamping and rotating device; 21. Hydraulic cylinder 1; 22. Guide rod; 23. Support 4; 24. Conveying roller 1; 25. Conveying roller 2; 26. Reducer 1; 27. Motor 1; 28. Hydraulic cylinder 2; 29. Support 5; 30. Conveying roller 3; 03. Cutting device; 31. Hydraulic cylinder 3; 32. Support 6; 33. Reducer 2; 34. Motor 2; 35. Saw blade; 04. Chip suction device; 41. Support 7; 42. Fan; 43. Suction nozzle; 44. Dust collection bag; 05. Positioning device; 51. Support 8; 52. Support 9; 53. Roller. Detailed Implementation
[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.
[0021] Example 1
[0022] like Figure 1As shown, the device includes a machine body 01; it also includes a clamping and rotating device 02, a cutting device 03, a chip suction device 04, and a positioning device 05. The clamping and rotating device 02, the cutting device 03, the chip suction device 04, and the positioning device 05 are all mounted on the machine body 01. The machine body 01 provides support, the clamping and rotating device 02 clamps and rotates the pipe, the cutting device 03 cuts the pipe, the chip suction device 04 absorbs the dust generated during cutting, and the positioning device 05 positions the pipe at the cutting position.
[0023] like Figure 2 As shown, the machine body 01 includes a first bracket 11, a second bracket 12 and a third bracket 13. The first bracket 11 is provided with a guide slope, an installation groove, and multiple sliding grooves 1 and 2. The second bracket 12 is installed on the top of the first bracket 11, and the third bracket 13 is installed on the second bracket 12. Two mounting platforms are provided on the side of the third bracket 13.
[0024] like Figure 3 As shown, the clamping and rotating device 02 includes a hydraulic cylinder 21, multiple guide rods 22, a support 23, a conveying roller 24, a conveying roller 25, a reducer 26, a motor 27, two hydraulic cylinders 28, a support 29, and a conveying roller 30. The hydraulic cylinder 21 is fixedly installed in the mounting groove of the support 11. The multiple guide rods 22 are slidably installed in the multiple sliding grooves 1 of the support 11. The support 23 is installed on the top of the hydraulic cylinder 21 and the multiple guide rods 22. The conveying roller 24 is rotatably installed on the support 23. Conveying roller 25 is rotatably mounted on bracket 212. Reducer 1 26 is fixedly mounted on the side of bracket 212 and is rotatably connected between bracket 212 and conveying roller 25. Motor 1 27 is fixedly mounted on the side of reducer 1 26 and provides power to conveying roller 25 through reducer 1 26. Two hydraulic cylinders 28 are respectively mounted on the top of the two mounting platforms of bracket 313. Bracket 5 29 is mounted on the two hydraulic cylinders 28. Conveying roller 30 is rotatably mounted on bracket 5 29.
[0025] like Figure 4 As shown, the cutting device 03 includes a hydraulic cylinder 31, a bracket 32, a reducer 33, a motor 34, and a saw blade 35. The hydraulic cylinder 31 is fixedly installed at the front end of the bracket 313, the bracket 32 is installed at the bottom end of the hydraulic cylinder 31, the reducer 33 is fixedly installed at the bottom of the bracket 32, the motor 34 is fixedly installed at the side end of the reducer 33, and the saw blade 35 is rotatably installed at the other side end of the reducer 33. The motor 34 provides power to the saw blade 35 through the reducer 33.
[0026] like Figure 5As shown, the dust collection device 04 includes a bracket 7 41, a fan 42, a suction nozzle 43, and a dust collection bag 44. The bracket 7 41 is fixedly installed on the side of the bracket 3 13, the fan 42 is installed on the side of the bracket 7 41, the suction nozzle 43 is installed at the bottom of the fan 42, and the dust collection bag 44 is installed at the top of the fan 42.
[0027] First, the pipe is placed on top of conveyor roller 1 24 and conveyor roller 2 25. Then, hydraulic cylinder 1 21, motor 1 27, and hydraulic cylinder 2 28 are turned on. Hydraulic cylinder 1 21 provides power to drive conveyor roller 1 24 to move up and down, motor 1 27 provides power to drive conveyor roller 2 25 to rotate, and hydraulic cylinder 2 28 provides power to drive conveyor roller 3 30 to move back and forth. Hydraulic cylinder 1 21, motor 1 27, and hydraulic cylinder 2 28 work together to drive conveyor roller 1 24, conveyor roller 2 25, and conveyor roller 3 30 to clamp and rotate the pipe. Then, hydraulic cylinder 3 31 and motor 2 34 are turned on. Hydraulic cylinder 3 31 provides power to drive saw blade 35 to move up and down, and motor 2 34 provides power to drive saw blade 35 to rotate. Hydraulic cylinder 3 31 and motor 2 34 work together to drive saw blade 35 to cut the pipe. At the same time, fan 42 is turned on to provide airflow, which sucks the cutting debris into dust bag 44 through suction nozzle 43. Dust bag 44 filters and retains the debris.
[0028] Example 2
[0029] In addition to Example 1, it also includes:
[0030] like Figure 6 As shown, the positioning device 05 includes a bracket 8 51, a bracket 9 52 and a roller 53. The bracket 8 51 is slidably installed in the slide groove 2 of the bracket 1 11. A scale and a positioning plate are provided at the top of the bracket 8 51. The bracket 9 52 is fixedly installed at the bottom of the bracket 8 51. The roller 53 is rotatably installed at the bottom of the bracket 9 52.
[0031] First, place the pipe on top of conveyor roller 1 (24) and conveyor roller 2 (25). Then, pull bracket 8 (51) to position the pipe at the cutting point via the positioning plate. The scale on bracket 8 (51) facilitates control of the positioning length. Bracket 9 (52) supports bracket 8 (51) to prevent it from tilting when extended. Roller 53 rotates freely to reduce friction between bracket 9 (52) and the ground. Next, activate hydraulic cylinder 1 (21), motor 1 (27), and hydraulic cylinder 2 (28). Hydraulic cylinder 1 (21) provides power to drive conveyor roller 1 (24) up and down, motor 1 (27) provides power to drive conveyor roller 2 (25) to rotate, and hydraulic cylinder 2 (28) provides power to drive conveyor roller 2 (25). The three rollers 30 move back and forth. The hydraulic cylinder 21, motor 27 and hydraulic cylinder 28 work together to drive the conveying rollers 24, 25 and 30 to clamp and rotate the pipe. Then, the hydraulic cylinder 31 and motor 24 are turned on. The hydraulic cylinder 31 provides power to drive the saw blade 35 to move up and down. The motor 24 provides power to drive the saw blade 35 to rotate. The hydraulic cylinder 31 and motor 24 work together to drive the saw blade 35 to cut the pipe. At the same time, the fan 42 is turned on. The fan 42 provides air power to suck the cutting debris into the dust collection bag 44 through the suction nozzle 43. The dust collection bag 44 filters and retains the debris.
[0032] like Figures 1 to 6 As shown, this utility model discloses a large-scale hydraulic cutting mechanism for cement pipes. During operation, the pipe is first placed on top of conveyor rollers 24 and 25. Then, bracket 51 is pulled to position the pipe at the cutting location via a positioning plate. The scale on bracket 51 facilitates control of the positioning length. Bracket 52 supports bracket 51 to prevent it from tilting during extension. Roller 53 rotates freely to reduce friction between bracket 52 and the ground. Then, hydraulic cylinders 21, 27, and 28 are activated. Hydraulic cylinder 21 provides power to drive conveyor roller 24 up and down, while motor 27 provides power to drive conveyor roller 25 to rotate. The second pressure cylinder 28 provides power to drive the third conveyor roller 30 to move back and forth. The first hydraulic cylinder 21, the first motor 27 and the second hydraulic cylinder 28 work together to drive the first conveyor roller 24, the second conveyor roller 25 and the third conveyor roller 30 to clamp and rotate the pipe. Then, the third hydraulic cylinder 31 and the second motor 34 are turned on. The third hydraulic cylinder 31 provides power to drive the saw blade 35 to move up and down, and the second motor 34 provides power to drive the saw blade 35 to rotate. The third hydraulic cylinder 31 and the second motor 34 work together to drive the saw blade 35 to cut the pipe. At the same time, the fan 42 is turned on to provide airflow and suck the cutting debris into the dust collection bag 44 through the suction nozzle 43. The dust collection bag 44 filters and retains the debris.
[0033] The hydraulic cylinder 21, motor 27, two hydraulic cylinders 28, hydraulic cylinder 31, motor 34, saw blade 35, and blower 42 of this utility model are purchased from the market. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.
[0034] The main functions achieved by this utility model are as follows: by setting the clamping and rotating device 02, the pipe can be rolled into the machine from the side and fixed, which is convenient for workers to operate. Furthermore, by setting the clamping and rotating device 02 and the cutting device 03, the pipe is clamped and rotated and the pipe wall is rotated and cut, which can cut pipes with larger diameters and improve the applicability of the machine. This solves the problems of existing machines that use a full clamping method to fix the pipe, which requires the pipe to be inserted from one side of the machine, making the operation difficult. In addition, existing machines directly cut through the entire pipe by moving the saw blade up and down, and the limit of the pipe diameter that can be cut is relatively small when using the same size saw blade, resulting in poor applicability of the machine.
[0035] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A large cement pipe hydraulic cutting mechanism, comprising a machine body (01); characterized in that, It also includes clamping rotating device (02), cutting device (03), dust suction device (04) and positioning device (05), clamping rotating device (02), cutting device (03), dust suction device (04) and positioning device (05) are installed on the fuselage (01); the fuselage (01) provides support, the clamping rotating device (02) clamps and rotates the pipeline, the cutting device (03) cuts the pipeline, the dust suction device (04) absorbs the dust generated by cutting, and the positioning device (05) positions the cutting position of the pipeline.
2. A hydraulic cutting mechanism for large diameter concrete pipes as claimed in claim 1, wherein, The fuselage (01) includes support one (11), support two (12) and support three (13), the support one (11) is provided with a material guide slope, a mounting groove, a plurality of chute one and chute two, the support two (12) is installed at the top end of the support one (11), and the support three (13) is installed on the support two (12), and the side end of the support three (13) is provided with two mounting tables.
3. A hydraulic cutting mechanism for large diameter concrete pipes as claimed in claim 2 wherein, The clamping rotating device (02) includes hydraulic cylinder one (21), a plurality of guide rods (22), support four (23), conveying roller one (24), conveying roller two (25), speed reducer one (26), motor one (27), two hydraulic cylinders two (28), support five (29) and conveying roller three (30), the hydraulic cylinder one (21) is fixedly installed in the mounting groove of the support one (11), the plurality of guide rods (22) are respectively slidably installed in the plurality of chute one of the support one (11), the support four (23) is installed at the top end of the hydraulic cylinder one (21) and the plurality of guide rods (22), the conveying roller one (24) is rotatably installed on the support four (23), the conveying roller two (25) is rotatably installed on the support two (12), the speed reducer one (26) is fixedly installed at the side end of the support two (12), and the speed reducer one (26) is rotatably connected between the support two (12) and the conveying roller two (25), the motor one (27) is fixedly installed at the side end of the speed reducer one (26), and the motor one (27) provides power to the conveying roller two (25) through the speed reducer one (26), the two hydraulic cylinders two (28) are respectively installed at the top end of the two mounting tables of the support three (13), the support five (29) is installed on the two hydraulic cylinders two (28), and the conveying roller three (30) is rotatably installed on the support five (29).
4. A hydraulic cutting mechanism for large diameter concrete pipes as claimed in claim 3 wherein, The cutting device (03) includes hydraulic cylinder three (31), support six (32), speed reducer two (33), motor two (34) and saw blade (35), the hydraulic cylinder three (31) is fixedly installed at the front end of the support three (13), the support six (32) is installed at the bottom end of the hydraulic cylinder three (31), the speed reducer two (33) is fixedly installed at the bottom of the support six (32), the motor two (34) is fixedly installed at the side end of the speed reducer two (33), the saw blade (35) is rotatably installed at the other side end of the speed reducer two (33), and the motor two (34) provides power to the saw blade (35) through the speed reducer two (33).
5. A hydraulic cutting mechanism for large diameter concrete pipes as claimed in claim 4 wherein, The dust suction device (04) comprises a bracket seven (41), a fan (42), a suction nozzle (43) and a dust bag (44), the bracket seven (41) is fixedly installed at the side end of the bracket three (13), the fan (42) is installed at the side end of the bracket seven (41), the suction nozzle (43) is installed at the bottom end of the fan (42), and the dust bag (44) is installed at the top end of the fan (42).
6. A hydraulic cutting mechanism for large diameter concrete pipes as claimed in claim 5 wherein, The positioning device (05) comprises a bracket eight (51), a bracket nine (52) and a roller (53), the bracket eight (51) is slidingly installed in the sliding groove two of the bracket one (11), the top end of the bracket eight (51) is provided with a scale and a positioning plate, the bracket nine (52) is fixedly installed at the bottom end of the bracket eight (51), and the roller (53) is rotatably installed at the bottom end of the bracket nine (52).
Citation Information
Patent Citations
Conveying pipeline cutting machining device for water conservancy project
CN221773598U