CN112170944A - Clamping workbench for cutting and processing natural gas pipeline - Google Patents
Clamping workbench for cutting and processing natural gas pipeline Download PDFInfo
- Publication number
- CN112170944A CN112170944A CN202011090741.5A CN202011090741A CN112170944A CN 112170944 A CN112170944 A CN 112170944A CN 202011090741 A CN202011090741 A CN 202011090741A CN 112170944 A CN112170944 A CN 112170944A
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- clamping
- fixedly connected
- pipeline
- bottom plate
- fixing
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- 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
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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- 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
- B23D21/00—Machines or devices for shearing or cutting tubes
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- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a clamping workbench for cutting and processing a natural gas pipeline, which comprises a bottom plate, wherein a front clamping part and a rear clamping part are respectively arranged on the bottom plate, the front clamping part comprises two symmetrically arranged fixing cushion blocks, the two fixing cushion blocks are both fixedly connected to the upper end surface of the bottom plate, and a circular ring is fixedly connected to one side wall of each fixing cushion block, which is far away from the bottom plate. The invention can obviously improve the cutting processing accuracy and ensure the processing quality, ensures that the pipeline is always positioned in the middle of the circular ring by utilizing the symmetry of the two groups of rollers, reduces the stress difference of each part of the pipeline by means of the balance of hydraulic transmission, and is more convenient to control the clamping force compared with an automatically controlled hydraulic cylinder when being suitable for clamping and fixing the pipelines with different pipe diameter sizes because the clamping and fixing are carried out in a manual adjusting mode, and can effectively prevent the pipelines from being extruded and deformed due to overlarge local stress.
Description
Technical Field
The invention relates to the technical field of pipeline machining, in particular to a clamping workbench for cutting and machining a natural gas pipeline.
Background
In the laying process of the natural gas pipeline, in order to avoid the situation of natural gas leakage in the using process, the natural gas pipeline is required to be tightly welded together in a sealing manner, before the pipeline is welded, the natural gas pipeline needs to be cut and processed according to an engineering drawing and actual use requirements, the quality of the natural gas pipeline cutting and processing has direct influence on the subsequent sealing and welding quality, the quality of the pipeline cutting is required to be strictly controlled, and the quality of the pipeline cutting depends on the firmness degree of clamping and fixing the pipeline in the welding process to a great extent.
The prior clamping workbench for cutting and processing the natural gas pipeline mainly adopts two modes in design to clamp and fix the pipeline, one mode is plate-type clamping and fixing, namely, two clamping plates are adopted to clamp and fix the pipeline, but because the outer side wall of the pipeline is bent, therefore, the contact area between the plate surface and the outer side wall of the pipeline is small, so that the clamping and fixing effect is poor, in order to enhance the clamping and fixing effect, the clamping force is usually increased, so that the pipeline is easily extruded and deformed due to overlarge pressure, the other mode is to adopt a plurality of automatic hydraulic cylinders for clamping and fixing, the mode has good clamping and fixing effects on the pipelines with single pipe diameter size, but when the mode is used for clamping and fixing the pipelines with different pipe diameter sizes, since the stroke of the hydraulic cylinder and the magnitude of the clamping force are inconvenient to control, the situation that the pipeline is extruded and deformed easily due to excessive pressure also exists.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the prior clamping workbench for cutting and processing the natural gas pipeline mainly adopts two modes in design to clamp and fix the pipeline, one mode is plate-type clamping and fixing, namely, two clamping plates are adopted to clamp and fix the pipeline, but because the outer side wall of the pipeline is bent, therefore, the contact area between the plate surface and the outer side wall of the pipeline is small, so that the clamping and fixing effect is poor, in order to enhance the clamping and fixing effect, the clamping force is usually increased, so that the pipeline is easily extruded and deformed due to overlarge pressure, the other mode is to adopt a plurality of automatic hydraulic cylinders for clamping and fixing, the mode has good clamping and fixing effects on the pipelines with single pipe diameter size, but when the mode is used for clamping and fixing the pipelines with different pipe diameter sizes, since the stroke of the hydraulic cylinder and the magnitude of the clamping force are inconvenient to control, the situation that the pipeline is extruded and deformed easily due to excessive pressure also exists.
In order to achieve the purpose, the invention adopts the following technical scheme:
a clamping workbench for cutting and processing a natural gas pipeline comprises a bottom plate, wherein a front clamping part and a rear clamping part are respectively arranged on the bottom plate, the front clamping part comprises two symmetrically arranged fixing cushion blocks, the two fixing cushion blocks are fixedly connected on the upper end surface of the bottom plate, a circular ring is fixedly connected on one side wall of the fixing cushion block far away from the bottom plate, a cavity is arranged in the circular ring, a plurality of fixing rods are symmetrically and fixedly connected on one side wall of the circular ring, sliding grooves communicated with the cavity are respectively arranged in the plurality of fixing rods, sliding rods are slidably connected in the sliding grooves, a mounting block is fixedly connected on one end of each sliding rod far away from the circular ring, a rotating shaft is rotatably connected in the mounting block, rollers are fixedly connected on two ends of the rotating shaft, an extrusion deformation prevention hydraulic driving assembly is arranged on one side wall of the circular ring, and the rear clamping part comprises a supporting plate, the supporting plate is fixedly connected to the upper end face of the bottom plate, an electric push rod is arranged on one side wall, close to the circular ring, of the supporting plate, and a portable fixing assembly is arranged on the output end of the electric push rod.
Preferably, the anti-extrusion hydraulic drive assembly comprises a support, the support is fixedly connected to one side wall of the ring, the support is in a U-shaped arrangement, a shell is fixedly connected to the inner side wall of the support, the shell is fixedly connected to the ring, a piston plate is slidably connected to the shell, a sliding block is slidably connected between the two inner side walls of the support, a connecting rod is fixedly connected between the sliding block and the two piston plates, a switching hole is formed in the support, a thread groove is formed in the sliding block and is positively opposite to the switching hole, a first threaded rod is connected to the thread groove in a threaded manner and is rotatably connected to the switching hole, a first knob is fixedly connected to one end, away from the shell, of the first threaded rod, two communication holes are symmetrically formed in one side wall of the ring, and are opposite to the two shells, two check blocks are symmetrically and fixedly connected to the inner side wall of the cavity.
Preferably, the fixed subassembly of portable includes the mounting panel, mounting panel fixed connection is on electric putter's output, equal fixedly connected with baffle, two on the both ends of mounting panel fixedly connected with gag lever post between the baffle, sliding connection has two supporting rods on the gag lever post, two all be equipped with the screw hole on the supporting rod, screw hole female connection has the second threaded rod that runs through one of them baffle, the second threaded rod rotates with the baffle to be connected, fixedly connected with second knob on the second threaded rod, the one end sliding connection that the mounting panel was kept away from to the supporting rod has the fastener, one of fastener serves fixedly connected with pipe strap, the one end female connection that the mounting panel was kept away from to the supporting rod has the bolt that runs through fastener and pipe strap.
Preferably, be close to the bottom plate setting fixedly connected with reading board on the lateral wall of baffle, reading board sliding connection is on the up end of bottom plate, be equipped with the recess on the bottom plate, fixedly connected with steel rule in the recess.
Preferably, a plurality of rubber convex grains are arranged on the outer side wall of the roller, and the rubber convex grains are made of hard rubber.
Preferably, hydraulic oil is arranged in the cavity, the sliding groove and the shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the arrangement of the rollers is characterized in that the contact area is remarkably improved compared with the traditional plate-type clamping and fixing mode, so that the clamping and fixing effect is better, and the pipeline cannot move under the clamping and fixing of the plate-type clamping and fixing mode, so that the position of the pipeline cannot be adjusted according to the length required to be cut, the pipeline can be clamped and fixed only after the position of the pipeline is adjusted, but in the actual operation process, the pipeline is easy to deviate in the clamping and fixing process, so that the cutting and processing accuracy is low.
2. In the front clamping part, the first knob is rotated to drive the plurality of rollers to clamp and fix the pipeline in a hydraulic mode, so that the natural gas pipeline clamping device can be suitable for clamping and fixing natural gas pipelines with different pipe diameters, because the stroke amounts and the moving speeds of the two piston plates are consistent, the symmetry of the two groups of rollers can be utilized to eliminate the influence of the gravity action of the pipeline on the clamped and fixed position of the pipeline, ensure that the pipeline is always positioned in the middle of the circular ring, reduce the stress difference of all the parts of the pipeline by virtue of the balance of hydraulic transmission, because the clamping and fixing are carried out by adopting a manual adjusting mode, when the clamping and fixing device is suitable for clamping and fixing pipelines with different pipe diameter sizes, compared with an automatically controlled hydraulic cylinder, the clamping device is more convenient to control the clamping force, and can effectively prevent the pipeline from being extruded and deformed due to overlarge local stress.
3. In the rear clamping part, one end of the pipeline is tightly attached to the limiting rod and is arranged between the two pipe clamps, then the second knob is twisted, the second knob drives the second threaded rod to rotate, so that the two clamping rods are driven to be close to each other by means of the threaded connection between the second threaded rod and the threaded hole and the limiting action of the limiting rod on the clamping rod, so that the two pipe clamps are driven to be close to each other, one end of the pipeline is firmly clamped and fixed by means of the two pipe clamps, the phenomenon that the pipeline is shaken to influence the cutting precision in the process of driving the pipeline to move through the mounting plate by the electric push rod is avoided, the rear clamping part fixes the pipeline, the front clamping part can be matched, the clamping and fixing effect on the pipeline is improved, the phenomenon that the quality of cutting processing is influenced by the shaking of the pipeline in the cutting processing process is avoided, and when the pipelines with different pipe diameters are clamped and fixed, only need twist the bolt, take off the pipe strap, then change with treat centre gripping pipeline pipe diameter size assorted model the pipe strap can, and whole change process easy operation, it is very convenient to use.
Drawings
Fig. 1 is a schematic front structural view of a clamping workbench for cutting and processing a natural gas pipeline according to the present invention;
fig. 2 is a sectional view of an internal structure of a clamping table for natural gas pipeline cutting according to the present invention;
fig. 3 is a schematic structural diagram of an anti-extrusion hydraulic driving assembly of a clamping workbench for natural gas pipeline cutting processing according to the present invention;
fig. 4 is a sectional view of the internal structure of the anti-extrusion hydraulic driving assembly of the clamping workbench for natural gas pipeline cutting processing according to the present invention.
In the figure: the device comprises a base plate 1, a fixed cushion block 2, a ring 3, a cavity 4, a fixed rod 5, a sliding chute 6, a sliding rod 7, an installation block 8, a rotating shaft 9, a roller 10, a bracket 11, a shell 12, a piston plate 13, a sliding block 14, a connecting rod 15, a switching hole 16, a threaded groove 17, a first threaded rod 18, a first knob 19, a communication hole 20, a stop 21, a support plate 22, an electric push rod 23, an installation plate 24, a baffle 25, a limiting rod 26, a clamping rod 27, a threaded hole 28, a second threaded rod 29, a second knob 30, a clamping piece 31, a pipe clamp 32, a bolt 33, a reading plate 34, a groove 35 and a steel ruler 36.
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.
Referring to fig. 1-4, a clamping workbench for natural gas pipeline cutting processing, comprising a base plate 1, a front clamping portion and a rear clamping portion are respectively arranged on the base plate 1, the front clamping portion comprises two fixed cushion blocks 2 symmetrically arranged, two fixed cushion blocks 2 are fixedly connected to the upper end surface of the base plate 1, the fixed cushion blocks 2 are far away from a side wall of the base plate 1 and fixedly connected with a circular ring 3, a cavity 4 is arranged in the circular ring 3, a plurality of fixing rods 5 are symmetrically and fixedly connected to the side wall of the circular ring 3, a sliding groove 6 communicated with the cavity 4 is arranged in each fixing rod 5, a sliding rod 7 is slidably connected in the sliding groove 6, an end of the sliding rod 7 far away from the circular ring 3 is fixedly connected with an installation block 8, a rotating shaft 9 is rotatably connected in the installation block 8, and idler wheels 10 are fixedly connected to two.
The arrangement of the roller 10 is characterized in that the contact area is remarkably improved compared with the traditional plate-type clamping and fixing mode, so that the clamping and fixing effect is better, and the pipeline cannot move under the clamping and fixing of the plate-type clamping and fixing mode, so that the position of the pipeline cannot be adjusted according to the required cutting length, the pipeline can be clamped and fixed only after the position of the pipeline is adjusted, but in the actual operation process, the pipeline is easy to deviate in the clamping and fixing process, so that the cutting accuracy is low.
The outer side wall of the roller 10 is provided with a plurality of rubber convex grains, the rubber convex grains are made of hard rubber, the rubber convex grains are arranged to help to enhance the friction force between the roller 10 and the outer side wall of the pipeline and prevent the clamped pipeline from rotating so as to interfere the normal operation of subsequent cutting operation, and the rubber convex grains have elasticity and can be extruded and deformed after being pressed, so that the friction force between the roller 10 and the outer side wall of the pipeline can be further enhanced by increasing the contact area between the roller 10 and the outer side wall of the pipeline, in addition, the elasticity of the rubber convex grains can also protect the pipeline by buffering the action of gradually increased clamping force in the process of clamping and fixing the pipeline, an anti-extrusion deformation hydraulic driving component is arranged on one side wall of the circular ring 3 and comprises a support 11, and the support 11 is fixedly connected on one side wall of the circular ring 3, support 11 is the U-shaped setting, fixedly connected with casing 12 on the inside wall of support 11, casing 12 and ring 3 fixed connection.
Sliding connection has piston plate 13 in casing 12, sliding connection has slider 14 between two inside walls of support 11, equal fixedly connected with connecting rod 15 between slider 14 and two piston plates 13, be equipped with switching hole 16 on the support 11, be equipped with the thread groove 17 just to switching hole 16 setting on the slider 14, thread groove 17 female connection has first threaded rod 18, first threaded rod 18 rotates to be connected in switching hole 16, first threaded rod 18 can be at switching 16 internal rotations in hole, but unable removal, casing 12 is served to one of first threaded rod 18 is kept away from and is served first knob 19 of fixedly connected with, the symmetry is equipped with two intercommunicating pores 20 on ring 3's the lateral wall, two intercommunicating pores 20 just set up two casings 12, two dogs 21 of symmetry fixedly connected with on cavity 4's the inside wall, cavity 4, all be equipped with hydraulic oil in spout 6 and the casing 12.
Will treat that the fixed pipeline of centre gripping is placed between a plurality of gyro wheels 10, then rotatory first knob 19, with the help of the threaded connection effect between first threaded rod 18 and the thread groove 17, and the limiting displacement of support 11 inside wall to slider 14, order about slider 14 to remove along the inside wall of support 11, be close to casing 12 direction, thereby drive two piston plates 13 through connecting rod 15 and remove along the inside wall of two casings 12 respectively, piston plate 13 extrudees hydraulic oil, hydraulic oil extrusion slide bar 7, make the ejecting spout 6 of slide bar 7, thereby order about a plurality of gyro wheels 10 to be close to the pipeline together, until fixing the centre department at ring 3 with the pipeline centre gripping, can be applicable to the centre gripping of the natural gas line of different pipe diameter sizes fixed.
Since the two stoppers 21 divide the cavity 4 into two halves, each half of the cavity 4 communicates with one of the housings 12 through one of the communication holes 20, therefore, the plurality of rollers 10 can be divided into two groups of equal numbers, which are symmetrical up and down, and since the stroke amounts and the moving speeds of the two piston plates 13 are identical, therefore, the symmetry of the two groups of rollers 10 can be utilized to eliminate the influence of the gravity action of the pipeline on the clamped and fixed position of the pipeline, ensure that the pipeline is always positioned in the middle of the circular ring 3, reduce the stress difference of all the positions of the pipeline by means of the balance of hydraulic transmission, because the clamping and fixing are carried out by adopting a manual adjusting mode, when the clamping and fixing device is suitable for clamping and fixing pipelines with different pipe diameter sizes, compared with an automatically controlled hydraulic cylinder, the clamping device is more convenient to control the clamping force, and can effectively prevent the pipeline from being extruded and deformed due to overlarge local stress.
Back clamping part includes backup pad 22, backup pad 22 fixed connection is on bottom plate 1's up end, backup pad 22 is equipped with electric putter 23 on being close to a lateral wall of ring 3, electric putter 23 is used for moving the pipeline, so as to carry out the accurate adjustment to the position of pipeline according to the needs of cutting length, and can carry out good fixed to it after the position of adjusting the pipeline, be equipped with the fixed subassembly of portable on electric putter 23's the output, the fixed subassembly of portable includes mounting panel 24, mounting panel 24 fixed connection is on electric putter 23's output, equal fixedly connected with baffle 25 on mounting panel 24's both ends, fixedly connected with gag lever post 26 between two baffle 25, sliding connection has two supporting rods 27 on gag lever post 26.
All be equipped with screw hole 28 on two supporting rods 27, screw hole 28 female connection has the second threaded rod 29 that runs through one of them baffle 25, be equipped with both ends on the second threaded rod 29 and revolve to opposite screw, each section screw thread and a screw hole 28 threaded connection, second threaded rod 29 rotates with baffle 25 to be connected, fixedly connected with second knob 30 on the second threaded rod 29, supporting rod 27 keeps away from one of mounting panel 24 and goes up sliding connection and have fastener 31, fastener 31 serves fixedly connected with pipe strap 32, the one end female connection that mounting panel 24 was kept away from to supporting rod 27 has the bolt 33 that runs through fastener 31 and pipe strap 32, hug closely gag lever post 26 with the one end of pipeline, arrange in between two pipe straps 32.
Then twist reverse second knob 30, second knob 30 drives second threaded rod 29 rotatory, thereby with the help of the threaded connection effect between second threaded rod 29 and the screw hole 28, and the limiting displacement of gag lever post 26 to clamping rod 27, order about two clamping rod 27 and be close to each other, thereby drive two pipe strap 32 and be close to each other, with the help of two pipe strap 32, the centre gripping that firmly lives the one end of pipeline, so as to drive the pipeline through mounting panel 24 at electric putter 23 and remove the in-process with the adjustment pipeline position and take place to rock and influence the cutting precision, and back clamping part is fixed to the pipeline, clamping part before can cooperating, promote the fixed effect of centre gripping to the pipeline, avoid the pipeline to take place to rock and influence the quality of cutting process at the process of cutting process.
When carrying out the centre gripping fixed to the pipeline of different pipe diameter sizes, only need twist bolt 33, take off pipe strap 32, then change with treat the pipe strap 32 of centre gripping pipeline pipe diameter size phase-match model can, and whole change process easy operation, it is very convenient to use, be close to fixedly connected with reading board 34 on the lateral wall of the baffle 25 that bottom plate 1 set up, reading board 34 sliding connection is on the up end of bottom plate 1, be equipped with recess 35 on bottom plate 1, fixedly connected with steel rule 36 in the recess 35, promote the precision of pipeline cutting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A clamping workbench for cutting and processing a natural gas pipeline comprises a bottom plate (1) and is characterized in that a front clamping part and a rear clamping part are respectively arranged on the bottom plate (1), the front clamping part comprises two symmetrically arranged fixing cushion blocks (2), the two fixing cushion blocks (2) are both fixedly connected to the upper end face of the bottom plate (1), a circular ring (3) is fixedly connected to one side wall of the fixing cushion block (2) far away from the bottom plate (1), a cavity (4) is arranged in the circular ring (3), a plurality of fixing rods (5) are symmetrically and fixedly connected to one side wall of the circular ring (3), a sliding groove (6) communicated with the cavity (4) is arranged in each fixing rod (5), a sliding rod (7) is slidably connected in the sliding groove (6), and a mounting block (8) is fixedly connected to one end of the sliding rod (7) far away from the circular ring (3), the utility model discloses a fixed mounting structure, including installation piece (8), installation piece (8) internal rotation is connected with pivot (9), equal fixedly connected with gyro wheel (10) on the both ends of pivot (9), be equipped with on one side wall of ring (3) and prevent extrusion deformation hydraulic drive subassembly, back clamping part includes backup pad (22), backup pad (22) fixed connection is on the up end of bottom plate (1), backup pad (22) are close to and are equipped with electric putter (23) on one side wall of ring (3), be equipped with the fixed subassembly of portable on the output of electric putter (23).
2. The clamping workbench for cutting and processing the natural gas pipeline as recited in claim 1, wherein the anti-extrusion hydraulic driving assembly comprises a support (11), the support (11) is fixedly connected to one side wall of the ring (3), the support (11) is arranged in a U shape, a shell (12) is fixedly connected to the inner side wall of the support (11), the shell (12) is fixedly connected to the ring (3), a piston plate (13) is slidably connected to the shell (12), a sliding block (14) is slidably connected between two inner side walls of the support (11), a connecting rod (15) is fixedly connected between the sliding block (14) and the two piston plates (13), a transfer hole (16) is formed in the support (11), and a thread groove (17) is formed in the sliding block (14) and is aligned with the transfer hole (16), thread groove (17) internal thread is connected with first threaded rod (18), first threaded rod (18) rotate to be connected in switching hole (16), the first knob (19) of serving fixedly connected with of casing (12) is kept away from in first threaded rod (18), the symmetry is equipped with two intercommunicating pores (20), two on the lateral wall of ring (3) intercommunicating pore (20) just set up two casings (12), two dog (21) of symmetry fixedly connected with on the inside wall of cavity (4).
3. The clamping workbench for cutting and processing the natural gas pipeline as recited in claim 1, wherein the portable fixing component comprises a mounting plate (24), the mounting plate (24) is fixedly connected to the output end of the electric push rod (23), both ends of the mounting plate (24) are fixedly connected with a baffle (25), a limiting rod (26) is fixedly connected between the two baffles (25), the limiting rod (26) is slidably connected with two clamping rods (27), both clamping rods (27) are provided with threaded holes (28), the threaded holes (28) are internally threaded with a second threaded rod (29) penetrating through one baffle (25), the second threaded rod (29) is rotatably connected with the baffles (25), the second threaded rod (29) is fixedly connected with a second knob (30), one end of the clamping rod (27) far away from the mounting plate (24) is slidably connected with a clamping piece (31), and a pipe clamp (32) is fixedly connected to one end of the clamping piece (31), and a bolt (33) penetrating through the clamping piece (31) and the pipe clamp (32) is connected to one end, far away from the mounting plate (24), of the clamping rod (27) in an internal thread manner.
4. The clamping workbench for cutting and processing the natural gas pipeline as recited in claim 3, wherein a side wall of the baffle plate (25) arranged close to the bottom plate (1) is fixedly connected with a reading plate (34), the reading plate (34) is slidably connected onto the upper end surface of the bottom plate (1), a groove (35) is arranged on the bottom plate (1), and a steel ruler (36) is fixedly connected in the groove (35).
5. The clamping workbench for cutting and processing natural gas pipelines according to claim 1, wherein a plurality of rubber bumps are arranged on the outer side wall of the roller (10), and the rubber bumps are made of hard rubber.
6. The clamping workbench for natural gas pipeline cutting processing according to claim 2, wherein hydraulic oil is provided in the cavity (4), the chute (6) and the housing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090741.5A CN112170944A (en) | 2020-10-13 | 2020-10-13 | Clamping workbench for cutting and processing natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090741.5A CN112170944A (en) | 2020-10-13 | 2020-10-13 | Clamping workbench for cutting and processing natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112170944A true CN112170944A (en) | 2021-01-05 |
Family
ID=73949497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011090741.5A Withdrawn CN112170944A (en) | 2020-10-13 | 2020-10-13 | Clamping workbench for cutting and processing natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112170944A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917542A (en) * | 2021-01-21 | 2021-06-08 | 周彩 | Slicer for preparing traditional Chinese medicine decoction pieces |
| CN112958792A (en) * | 2021-02-02 | 2021-06-15 | 尚连江 | Head massage device processing system and processing method |
| CN113951695A (en) * | 2021-10-19 | 2022-01-21 | 浙江大学 | Display device is watched to industrial design product multi-angle |
| CN114310735A (en) * | 2022-03-15 | 2022-04-12 | 潍坊工程职业学院 | Clamp for producing photoelectronic products |
-
2020
- 2020-10-13 CN CN202011090741.5A patent/CN112170944A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917542A (en) * | 2021-01-21 | 2021-06-08 | 周彩 | Slicer for preparing traditional Chinese medicine decoction pieces |
| CN112958792A (en) * | 2021-02-02 | 2021-06-15 | 尚连江 | Head massage device processing system and processing method |
| CN113951695A (en) * | 2021-10-19 | 2022-01-21 | 浙江大学 | Display device is watched to industrial design product multi-angle |
| CN114310735A (en) * | 2022-03-15 | 2022-04-12 | 潍坊工程职业学院 | Clamp for producing photoelectronic products |
| CN114310735B (en) * | 2022-03-15 | 2022-05-06 | 潍坊工程职业学院 | Clamp for producing photoelectronic products |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210105 |
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| WW01 | Invention patent application withdrawn after publication |