CN110977041A - Environment-friendly cutting device for enabling pipeline cuts to be flush based on intermittent motion - Google Patents
Environment-friendly cutting device for enabling pipeline cuts to be flush based on intermittent motion Download PDFInfo
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- CN110977041A CN110977041A CN201911294394.5A CN201911294394A CN110977041A CN 110977041 A CN110977041 A CN 110977041A CN 201911294394 A CN201911294394 A CN 201911294394A CN 110977041 A CN110977041 A CN 110977041A
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- movably connected
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- rod
- cutting device
- water pipe
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- 238000005520 cutting process Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000004033 plastic Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000003911 water pollution Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Sewage (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of water pollution treatment, and discloses an environment-friendly cutting device for leveling pipeline cuts based on intermittent motion, which comprises a sliding plate, wherein the inner part of the sliding plate is movably connected with a sliding block, the sliding block is moved to drive a limiting plate to move, a sliding block supporting rod is moved to clamp a water pipe, the water pipe is prevented from shaking in the cutting process, so that the cut openings are kept level, the cutting effect is better, the subsequent steps are caused to be carried out through the matched use of a half gear, a second gear and a second connecting rod, the linkage of the whole device is increased, the re-cutting device is caused to cut after the water pipe is clamped through the matched use of a push rod, a limiting block and a rotary column, the two devices are used in a matched way, the waste of energy is avoided, the intelligence of the whole device is improved, the position of a moving block is changed when a threaded rod is rotated, the, the diversity of the whole device is increased.
Description
Technical Field
The invention relates to the technical field of water pollution treatment, in particular to an environment-friendly cutting device for leveling pipeline cuts based on intermittent motion.
Background
The process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage is called sewage treatment, along with the development of the times, the environmental awareness of people is gradually enhanced, and the sewage treatment is widely applied to various fields such as buildings, agriculture, petrifaction and the like and is increasingly carried into households.
The sewage is mainly divided into domestic sewage, industrial sewage and initial rainwater, wherein the domestic sewage is from house, office building sewage, sewer sewage, sanitary sewage and the like, the sewage mainly enters a water body environment through water meter runoff, soil erosion and the like to cause damage to the nature, so the laying of the water pipe in the sewage treatment is very critical, the length of the water pipe is longer in the water pipe manufacturing process, the water pipe needs to be cut into a proper size to be tested in use, the traditional cutting machine needs to be manually clamped in the use process, a corresponding fixing device is not set for fixing, the stability of the water pipe in cutting cannot be ensured, the cut is not level easily, the inconvenience is caused in the subsequent water pipe laying process, the laying progress of the water pipe is influenced, and the existing cutting machine with the clamping function generally needs to be in a working state all the time, resulting in energy waste.
In order to solve the problems, the inventor provides an environment-friendly cutting device which enables the pipeline cuts to be flush based on intermittent motion, has the advantages that the cutting device is started to complete cutting after a water pipe is clamped, solves the problems that the traditional cutting machine has uneven cuts and large energy consumption, and ensures the work quality and the work efficiency of a skyhook when an operator uses the device for operation.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose of starting the cutting device to finish cutting after the water pipe is clamped, the invention provides the following technical scheme: an environment-friendly cutting device enabling pipeline cuts to be flush based on intermittent motion comprises a sliding plate, wherein the sliding plate is movably connected with the sliding block in the inner part and is movably connected with a limiting plate through the sliding block, the limiting plate is driven to move through the sliding block, the limiting plate is movably connected to the upper part of the sliding block, the outer side of the limiting plate is movably connected with a supporting rod, the water pipe is fixed through the swinging of the supporting rod, the supporting rod is movably connected with a supporting block, the supporting rod can swing when the supporting block is arranged as a fulcrum, the water pipe is movably connected to the upper part of the limiting plate, the side surface of the water pipe is movably connected with a cross rod, a cutting knife is movably connected to the lower part of the cross rod, the side surface of the cross rod is movably connected with a first connecting rod, the back surface of the first connecting rod is movably connected, the side swing joint of threaded rod has the movable block, and the left side swing joint of slider has the second connecting rod, and second connecting rod side swing joint has the second gear, and the left side swing joint of second gear has the semi-gear, and the back swing joint of movable block has the stopper.
Preferably, the half gear and the second gear are meshed with each other, and a rotating rod is movably connected between the second gear and the second connecting rod.
Preferably, the sliding plate is provided with a groove inside, and the size of the groove is not smaller than that of the sliding block.
Preferably, the supporting rods are designed into two, the specifications of the two supporting rods are consistent, and the two supporting rods are symmetrically distributed by taking the central line of the water pipe as a reference.
Preferably, branch design is crooked form, and the equal swing joint in both ends of branch has the rubber wheel, and swing joint has the plasticity spring between the bottom of two branches.
Preferably, both sides of the limiting plate are designed to be inclined planes, the upper part is narrow, the lower part is wide, and the bottom part is also designed to be the inclined plane firstly and then tends to be a plane.
Preferably, the moving block is internally provided with threads, and the moving block is matched with the thread size designed on the surface of the threaded rod.
(II) advantageous effects
Compared with the prior art, the invention provides an environment-friendly cutting device for leveling pipeline cuts based on intermittent motion, which has the following beneficial effects:
1. this make environment-friendly cutting device that pipeline incision flushes based on intermittent type nature motion uses through the cooperation of branch, slider and limiting plate to make to remove slider branch and press from both sides the water pipe tight, avoids rocking at the cutting in-process water pipe for the cutting edge keeps flushing, and cutting effect is better.
2. This make environment-friendly cutting device that pipeline incision flushes based on intermittent type nature motion uses the going on that makes to initiate follow-up step through the cooperation of half-gear, second gear and second connecting rod, increases the linkage of whole device, and the operation is simpler.
3. This make environment-friendly cutting device that pipeline incision flushes based on intermittent type nature motion uses through the cooperation of push rod, stopper and rotary column for cause cutting device again after the water pipe is by the centre gripping and cut, and both cooperate the use, avoid the waste of the energy to improve the feature of environmental protection of whole device.
4. This make environment-friendly cutting device that pipeline incision flushes based on intermittent type nature motion uses through the cooperation of threaded rod and movable block for when rotating the position that the threaded rod changed the movable block, thereby change the speed of cutting knife motion, adapt to more with the cutting of different length water pipes, increase the variety of whole device.
Drawings
FIG. 1 is a schematic view of a cross bar, a first connecting rod and a first gear connection structure according to the present invention, wherein each structure is in an original state;
FIG. 2 is a diagram showing the movement traces of the structures in FIG. 1, when the first gear rotates, the first gear drives the cutting knife to move synchronously;
FIG. 3 is a schematic structural view of a slide plate, a slide block, a limiting plate, a support rod, a support block and a water pipe according to the present invention;
FIG. 4 is a diagram showing the movement traces of the structures shown in FIG. 3, in which the slide plate moves to drive the supporting rod to move synchronously;
FIG. 5 is a schematic view of the connection structure of the rotary post, the threaded rod and the moving block according to the present invention, wherein each structure is in an original state;
FIG. 6 is a diagram showing the movement traces of the structures shown in FIG. 5, in which a threaded rod rotates to drive a moving block to move synchronously;
FIG. 7 is a bottom view of the connecting structure of the push rod, the threaded rod, the moving block and the limiting block;
FIG. 8 is a diagram showing the movement traces of the structures shown in FIG. 7, in which the threaded rod rotates to drive the moving block to move synchronously;
FIG. 9 is a schematic view of a first gear and rotary post connection according to the present invention;
FIG. 10 is a schematic view of the second connecting rod, second gear, half gear and slide block connection of the present invention, with each structure in its original state;
fig. 11 is a diagram of the motion traces of the structures shown in fig. 10, in which the half-gear rotates to drive the sliding block to move synchronously.
In the figure: 1. a slide plate; 2. a slider; 3. a limiting plate; 4. a strut; 5. a support block; 6. a water pipe; 7. a cross bar; 8. a first connecting rod; 9. a first gear; 10. turning the column; 11. a push rod; 12. a threaded rod; 13. a moving block; 14. a second connecting rod; 15. a second gear; 16. a half gear; 17. and a limiting block.
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.
Referring to fig. 1-11, an environment-friendly cutting device for leveling pipeline cuts based on intermittent motion comprises a sliding plate 1, a groove is formed in the sliding plate 1, the size of the groove is not smaller than that of a sliding block 2, so that the sliding block 2 can move in the sliding plate 1, the sliding plate 1 is movably connected with the sliding block 2, a limiting plate 3 is driven to move by the movement of the sliding block 2, the limiting plate 3 is movably connected above the sliding block 2, a supporting rod 4 is movably connected to the outer side of the limiting plate 3, the supporting rod 4 is designed to be bent, rubber wheels are movably connected to both ends of the supporting rod 4, a plastic spring is movably connected between the bottom ends of the two supporting rods 4, the two supporting rods 4 are designed to be two, the two supporting rods 4 are consistent in size and symmetrically distributed by taking the central line of a water pipe 6 as a reference, the water pipe 6 is, and both sides all receive the effect in and guarantee that water pipe 6 atress is even, and the rubber wheel has elasticity, avoids causing the harm to water pipe 6 among the clamping process.
The outer side of the supporting rod 4 is movably connected with a supporting block 5, the supporting rod 4 can swing when the supporting block 5 is set as a fulcrum, the upper part of the limiting plate 3 is movably connected with a water pipe 6, the side surface of the water pipe 6 is movably connected with a cross rod 7, the lower part of the cross rod 7 is movably connected with a cutting knife, the cutting knife is used for cutting the water pipe 6, the side surface of the cross rod 7 is movably connected with a first connecting rod 8, the back surface of the first connecting rod 8 is movably connected with a first gear 9, the right side of the first gear 9 is movably connected with a rotary column 10, the outer side of the rotary column 10 is movably connected with a push rod 11, the lower part of the rotary column 10 is movably connected with a threaded rod 12, the side surface of the threaded rod 12 is movably connected with a moving block 13, the inner part of the moving block 13 is provided with threads, the moving block 13 is matched with, the left side swing joint of slider 2 has second connecting rod 14, and second connecting rod 14 side swing joint has second gear 15, and the left side swing joint of second gear 15 has half gear 16, and half gear 16 and second gear 15 intermeshing, and swing joint has the bull stick between second gear 15 and the second connecting rod 14, and the back swing joint of movable block 13 has stopper 17.
The working principle is that when the water pipe 6 needs to be cut, the water pipe 6 is firstly conveyed through a common conveying line, the output shaft of the motor is movably connected with the half gear 16, so that the half gear 16 is driven to rotate, the second gear 15 is movably connected to the right side of the half gear 16, so that the half gear 16 can drive the second gear 15 to synchronously rotate, the second gear 15 is movably connected with the second connecting rod 14 through the rotating rod, so that the sliding block 2 can be driven to reciprocate leftwards and rightwards in the sliding plate 1 when the second gear 15 rotates, and the teeth of the half gear 16 are designed to be half, so that a time difference exists between the left movement and the right movement of the sliding block 2, and the sliding block 2 can do intermittent left-right reciprocating movement.
The structure and process are shown in FIGS. 10-11.
A limiting plate 3 is movably connected above the sliding block 2, two sides of the limiting plate 3 are designed to be inclined planes, the upper part is narrow, the lower part is wide, the bottom part is also designed to be an inclined plane, then the sliding block 2 tends to a plane, when moving to the right side, the limiting plate 3 is extruded, so that the limiting plate 3 moves upwards, the supporting rods 4 are movably connected with the two sides of the limiting plate 3, the lower ends of the supporting rods 4 are driven to be away from each other, according to the lever principle, the upper end of the supporting rod 4 is synchronously moved inwards and finally clamped with the water pipe 6, so that the water pipe 6 is kept stable, when the sliding block 2 moves leftwards similarly, the support rod 4 loosens the clamping of the water pipe 6, and a time difference exists between the clamping and the loosening, enough time is left for cutting the water pipe 6, and the time between clamping and loosening is kept consistent, so that the lengths of the water pipes 6 cut in the same batch are kept consistent.
The above structure and process are shown in FIGS. 3-4.
Meanwhile, when the right side of the sliding block 2 is movably connected with a push rod 11, when the sliding block 2 moves towards the right side, the push rod 11 is driven to move towards the right side synchronously, when in an original state, the push rod 11 is movably connected with a half gear 16 through a belt, so that the push rod 11 is in a rotating state all the time, when the push rod 11 moves towards the right side, the push rod is movably connected with a straight rod arranged inside a limit block 17, so that the straight rod is driven to rotate, the limit block 17 is driven to rotate synchronously, the limit block 17 and a rotary column 10 are always in a mutually contacted state, so that the rotary column 10 is driven to rotate when the limit block 17 rotates, a cone pulley is movably connected to the outer side of the rotary column 10, the cone pulley is meshed with a first gear 9, so that when the rotary column 10 rotates, the first gear 9 is driven to rotate synchronously, the first gear 9 is provided with two gears which are meshed with each other, the event can drive the synchronous motion of head rod 8, finally drives horizontal pole 7 and carries out reciprocating motion, drives the cutting knife and is close to each other and keep away from to finally accomplish the cutting to water pipe 6.
The above structure and process are shown in FIGS. 1-2.
When the cutting length of water pipe 6 needs to be adjusted, only need to rotate threaded rod 12, the inside of movable block 13 is equipped with the screw thread, and the screw thread size mutual adaptation that is equipped with the outside of threaded rod 12, thereby make and to drive movable block 13 when threaded rod 12 rotates and remove in step, the side swing joint of movable block 13 has stopper 17, so can drive stopper 17's synchronous movement, stopper 17 and rotary column 10 are in contact with each other, can make the rotational speed of rotary column 10 change when stopper 17's position changes, finally can change the length of the water pipe 6 of cutting.
The above structure and process are shown in FIGS. 7-8.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An environment-friendly cutting device based on intermittent motion makes pipeline incision level, includes slide (1), its characterized in that: the inner part of the sliding plate (1) is movably connected with the sliding block (2), a limiting plate (3) is movably connected above the sliding block (2), a supporting rod (4) is movably connected at the outer side of the limiting plate (3), a supporting block (5) is movably connected at the outer side of the supporting rod (4), a water pipe (6) is movably connected above the limiting plate (3), a transverse rod (7) is movably connected at the side of the water pipe (6), a first connecting rod (8) is movably connected at the side of the transverse rod (7), a first gear (9) is movably connected at the back of the first connecting rod (8), a rotary column (10) is movably connected at the right side of the first gear (9), a push rod (11) is movably connected at the outer side of the rotary column (10), a threaded rod (12) is movably connected at the lower part of the rotary column (10), a movable block (13) is movably connected at the side of the, the side surface of the second connecting rod (14) is movably connected with a second gear (15), the left side of the second gear (15) is movably connected with a half gear (16), and the back surface of the moving block (13) is movably connected with a limiting block (17).
2. The environmentally friendly cutting device for making pipe cuts flush based on intermittent motion as claimed in claim 1, wherein: the half gear (16) is meshed with the second gear (15), and a rotating rod is movably connected between the second gear (15) and the second connecting rod (14).
3. The environmentally friendly cutting device for making pipe cuts flush based on intermittent motion as claimed in claim 1, wherein: a groove is formed in the sliding plate (1), and the size of the groove is not smaller than that of the sliding block (2).
4. The environmentally friendly cutting device for making pipe cuts flush based on intermittent motion as claimed in claim 1, wherein: the two supporting rods (4) are designed, the specifications of the two supporting rods (4) are consistent, and the two supporting rods are symmetrically distributed by taking the central line of the water pipe (6) as a reference.
5. The environmentally friendly cutting device for making pipe cuts flush based on intermittent motion as claimed in claim 1, wherein: the supporting rods (4) are designed to be bent, the two ends of each supporting rod (4) are movably connected with rubber wheels, and plastic springs are movably connected between the bottom ends of the two supporting rods (4).
6. The environmentally friendly cutting device for making pipe cuts flush based on intermittent motion as claimed in claim 1, wherein: the two sides of the limiting plate (3) are designed to be inclined planes, the upper part is narrow, the lower part is wide, and the bottom part is also designed to be the inclined plane firstly and then tends to be a plane.
7. The environmentally friendly cutting device for making pipe cuts flush based on intermittent motion as claimed in claim 1, wherein: the moving block (13) is internally provided with threads, and the moving block is matched with the thread size designed on the surface of the threaded rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911294394.5A CN110977041B (en) | 2019-12-16 | 2019-12-16 | Environment-friendly cutting device for enabling pipeline cuts to be flush based on intermittent motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911294394.5A CN110977041B (en) | 2019-12-16 | 2019-12-16 | Environment-friendly cutting device for enabling pipeline cuts to be flush based on intermittent motion |
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| Publication Number | Publication Date |
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| CN110977041A true CN110977041A (en) | 2020-04-10 |
| CN110977041B CN110977041B (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911294394.5A Active CN110977041B (en) | 2019-12-16 | 2019-12-16 | Environment-friendly cutting device for enabling pipeline cuts to be flush based on intermittent motion |
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| CN (1) | CN110977041B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496130A (en) * | 2020-04-20 | 2020-08-07 | 湖州锦安企业管理咨询有限公司 | Net twine winding device based on thickness change automatic cutout and ration are around rolling up |
| CN111573357A (en) * | 2020-05-26 | 2020-08-25 | 陈爱丽 | Paper winding device based on thickness change ration is around rolling up and automatic cutout |
| CN111776817A (en) * | 2020-07-21 | 2020-10-16 | 邓斌 | Paper winder for quantitatively winding and application thereof |
| CN112897172A (en) * | 2021-01-20 | 2021-06-04 | 詹塘生 | Aluminum coil conveying device |
| CN117415352A (en) * | 2023-11-24 | 2024-01-19 | 聚立刀具(浙江)有限公司 | Adjustable trepanning drill bit and drilling equipment thereof |
| CN117798696A (en) * | 2024-02-28 | 2024-04-02 | 江苏泰顺能源科技开发有限公司 | Petroleum pipeline coupling processing clamping fixing tool |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496130A (en) * | 2020-04-20 | 2020-08-07 | 湖州锦安企业管理咨询有限公司 | Net twine winding device based on thickness change automatic cutout and ration are around rolling up |
| CN111496130B (en) * | 2020-04-20 | 2021-12-07 | 山东万事达建筑钢品股份有限公司 | Net twine winding device based on thickness change automatic cutout and ration are around rolling up |
| CN111573357A (en) * | 2020-05-26 | 2020-08-25 | 陈爱丽 | Paper winding device based on thickness change ration is around rolling up and automatic cutout |
| CN111776817A (en) * | 2020-07-21 | 2020-10-16 | 邓斌 | Paper winder for quantitatively winding and application thereof |
| CN112897172A (en) * | 2021-01-20 | 2021-06-04 | 詹塘生 | Aluminum coil conveying device |
| CN117415352A (en) * | 2023-11-24 | 2024-01-19 | 聚立刀具(浙江)有限公司 | Adjustable trepanning drill bit and drilling equipment thereof |
| CN117415352B (en) * | 2023-11-24 | 2024-06-11 | 聚立刀具(浙江)有限公司 | Adjustable trepanning drill bit and drilling equipment thereof |
| CN117798696A (en) * | 2024-02-28 | 2024-04-02 | 江苏泰顺能源科技开发有限公司 | Petroleum pipeline coupling processing clamping fixing tool |
| CN117798696B (en) * | 2024-02-28 | 2024-05-07 | 江苏泰顺能源科技开发有限公司 | Petroleum pipeline coupling processing clamping fixing tool |
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| CN110977041B (en) | 2021-12-10 |
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