CN112658688A - Deburring pipeline cutting device - Google Patents
Deburring pipeline cutting device Download PDFInfo
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- CN112658688A CN112658688A CN202011283811.9A CN202011283811A CN112658688A CN 112658688 A CN112658688 A CN 112658688A CN 202011283811 A CN202011283811 A CN 202011283811A CN 112658688 A CN112658688 A CN 112658688A
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- fixedly connected
- steel pipe
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- electric push
- conveyor
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- 238000005520 cutting process Methods 0.000 title claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 87
- 239000010959 steel Substances 0.000 claims abstract description 87
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005498 polishing Methods 0.000 abstract description 7
- 238000007688 edging Methods 0.000 abstract description 2
- 239000007858 starting material Substances 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention belongs to the technical field of steel pipe cutting devices, and particularly relates to a deburring pipeline cutting device which comprises a conveyor, wherein the right side of the conveyor is fixedly connected with a material collecting box, the right side wall of the material collecting box is fixedly provided with a third electric push rod, the right end of the third electric push rod is fixedly provided with a push plate, the left side wall of the push plate is fixedly provided with a motor, the motor is positioned above the third electric push rod, the output end of the motor is provided with a rotating shaft, the left end of the rotating shaft is fixedly connected with a rotating drum, the right side of the inner wall of the rotating drum is fixedly connected with a core column, and the inner wall of the rotating; stop moving after steel pipe incision end and rotary drum are pegged graft, then starter motor drives the rotary drum and rotates with the stem, and then polishes the deckle edge of the inside and outside both sides of steel pipe incision department through the edging layer to reach the deckle edge's of steel pipe effect of polishing fast, simultaneously, lean on left long steel pipe stop moving and carry out cutting work, thereby reduce the cutting and polish the time that consumes, improve work efficiency.
Description
Technical Field
The invention relates to the technical field of steel pipe cutting devices, in particular to a deburring pipeline cutting device.
Background
The steel pipe is widely applied in the society at present, for example, petrochemical industry and heat exchanger etc. all have very extensive application, and when intercepting a section of steel pipe on the market, the general practice is first fixed at first, and then takes the manual cutting of a cutting machine required length.
During the cutting process, there are the following problems: 1. the pipe fitting is stressed by larger pressure and unstable clamping, so that the phenomenon of burrs inside and outside the cut can be caused, and the cutting quality is directly influenced; 2. the traditional deburring mainly depends on manual treatment of vellum paper, and if the number of the intercepted objects is large, the labor intensity of deburring of an operator is increased, so that the working efficiency is low; 3. need collect the steel pipe after the intercepting steel pipe and carry out burring work, need carry out the secondary to the steel pipe after the burring and collect, prolonged the time that the user accomodates the steel pipe.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a deburring pipeline cutting device which has the characteristics of convenience in clamping a steel pipe, convenience in polishing the burrs of a cut of the steel pipe and convenience in collecting the steel pipe at one time.
In order to achieve the purpose, the invention provides the following technical scheme: a deburring pipeline cutting device comprises a conveyor, wherein a plurality of transversely-arranged roller shafts are mounted on the inner wall of the conveyor, semicircular grooves are fixedly connected to the left side and the right side of the upper end face of the conveyor, a gap is formed between the two semicircular grooves, through holes are formed in the bottom ends of the inner walls of the two semicircular grooves, mounting frames are arranged above the two semicircular grooves, the front side and the rear side of each mounting frame are detachably connected with the conveyor, first electric push rods are mounted on the upper end faces of the two mounting frames in a penetrating mode, the lower ends of the two first electric push rods extend into the two semicircular grooves respectively, and arc-shaped plates are fixedly connected to the lower ends of the two first electric push rods;
the right side of the conveyor is fixedly connected with a material collecting box, the right side wall of the material collecting box is fixedly provided with a third electric push rod, the right end of the third electric push rod is fixedly provided with a push plate, the left side wall of the push plate is fixedly provided with a motor, the motor is positioned above the third electric push rod, the output end of the motor is provided with a rotating shaft, the left end of the rotating shaft is fixedly connected with a rotating drum, the right side of the inner wall of the rotating drum is fixedly connected with a core column, and the inner wall of the rotating drum and the outer wall of the core column are both wrapped with;
the discharge gate has been seted up to the preceding terminal surface of case that gathers materials, the bottom fixedly connected with swash plate of case inner wall gathers materials.
In order to facilitate the device to automatically cut the steel pipe, the deburring device for the pipeline is preferably used, a cutting machine is fixedly mounted on the rear side of the upper end face of the conveyor and located between the two semicircular grooves, a fixing rod is fixedly connected to the shell of the cutting machine, a connecting ring is fixedly connected to the front end of the fixing rod, a mounting plate is fixedly connected to the front end face of the conveyor, a second electric push rod is mounted on the lower end face of the mounting plate in a penetrating mode, a connecting rod is fixedly connected to the upper end of the second electric push rod, the connecting rod penetrates through the connecting ring and extends to the upper portion of the connecting ring, and a limiting piece is fixedly connected to the upper.
In order to further stabilize and fix the position of the steel pipe, the deburring pipe cutting device is preferably characterized in that the top end of the inner wall of the arc-shaped plate is fixedly connected with a pressing block, and the front side and the rear side of the inner wall of the arc-shaped plate are fixedly connected with clamping blocks.
In order to reduce the possibility of sliding of the steel pipe in the semicircular groove, it is preferable that the inner wall of the semicircular groove is fixedly connected with a plurality of evenly distributed anti-slip strips.
In order to facilitate transportation of a plurality of steel pipes, the preferable deburring pipe cutting device is characterized in that the left side and the right side of the lower end face of the conveyor are fixedly connected with support legs, a conveyor belt is arranged below the material collecting box, and the front end of the conveyor belt extends to the front of the material collecting box.
In order to conveniently leave a position for mounting the conveyor belt, it is preferable that, as a deburring pipe cutting apparatus of the present invention, both of the legs have a height greater than that of the conveyor belt.
In order to facilitate the disassembly and the overhaul of the motor, the deburring pipe cutting device is preferably used, wherein a bearing plate is fixedly connected to the left end face of the push plate, and the upper end face of the bearing plate is detachably connected with the base of the motor.
In order to facilitate the rolling of the steel pipe onto the conveyor belt, it is preferable that the width of the discharge port is greater than the diameter of the steel pipe as a deburring pipe cutting apparatus of the present invention.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the deburring pipeline cutting device, a steel pipe is placed inside two semicircular grooves, a conveyor is started to drive a plurality of roller shafts to rotate, the roller shafts are in contact with the steel pipe through holes at the moment and further drive the steel pipe to move rightwards, after the steel pipe moves to a cutting position, two first electric push rods are started to drive two arc-shaped plates to press the left end and the right end of the steel pipe downwards, then the middle of the steel pipe is cut, and therefore the effect of stably clamping the steel pipe is achieved;
(2) according to the deburring pipeline cutting device, the cut steel pipe continues to move to the right, the steel pipe stops moving after the right end of the steel pipe is inserted into the rotary drum, then the motor is started to drive the rotary drum and the core column to rotate, and further burrs on the inner side and the outer side of the cut opening of the steel pipe are polished through the edge polishing layer, so that the effect of rapidly polishing the burrs of the steel pipe is achieved, meanwhile, the steel pipe stops moving and performs cutting work by virtue of the long steel pipe on the left side, so that the time consumed by cutting and polishing is reduced, and the working efficiency is improved;
(3) according to the deburring pipeline cutting device, after the cut of a steel pipe is polished, a third electric push rod is started to drive a push plate and a motor to move rightwards, so that a rotary drum can drive the steel pipe to move under the inertia, the steel pipe can fall off due to gravity when being completely suspended above a material collecting box, then the steel pipe rolls to a discharge port through an inclined plate, and the steel pipe passing through the discharge port is conveyed to the next processing station through a conveyor belt, so that the effect of collecting the steel pipe at one time is achieved;
in summary, the following steps: the utility model provides a pipeline cutting device who unhardens, has the good result of use that makes things convenient for centre gripping steel pipe, the steel pipe incision deckle edge of being convenient for polish and the steel pipe of being convenient for once only collect.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a block diagram of a deflashed pipe cutting apparatus according to the present invention;
FIG. 2 is a schematic view of the present invention at A;
FIG. 3 is a view of the drum and stem configuration of the present invention;
FIG. 4 is a view of the configuration of the semicircular groove of the present invention;
fig. 5 is a structural view of a first electric putter and an arc plate of the present invention.
In the figure, 1, a conveyor; 101. a roll shaft; 102. mounting a plate; 103. a support leg; 2. a semicircular groove; 201. anti-slip strips; 202. a through hole; 3. installing a frame; 301. a first electric push rod; 302. an arc-shaped plate; 303. briquetting; 304. a clamping block; 4. a cutter; 401. fixing the rod; 402. a connecting ring; 5. a second electric push rod; 501. a connecting rod; 502. a limiting sheet; 6. a material collecting box; 601. a discharge port; 602. a sloping plate; 7. a third electric push rod; 701. pushing the plate; 702. a bearing plate; 8. a motor; 801. a rotating shaft; 802. a rotating drum; 803. a stem; 804. grinding the edge layer; 9. and (4) a conveyor belt.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides waste electric wire recycling and preparing equipment through improvement, and relates to a de-burring pipeline cutting device which comprises a conveyor 1, wherein a plurality of transversely-arranged roller shafts 101 are arranged on the inner wall of the conveyor 1, semicircular grooves 2 are fixedly connected to the left side and the right side of the upper end surface of the conveyor 1, a gap is formed between the two semicircular grooves 2, through holes 202 are formed in the bottom ends of the inner walls of the two semicircular grooves 2, mounting frames 3 are arranged above the two semicircular grooves 2, the front side and the rear side of each mounting frame 3 are detachably connected with the conveyor 1, first electric push rods 301 penetrate through the upper end surfaces of the two mounting frames 3, the lower ends of the two first electric push rods 301 extend into the two semicircular grooves 2 respectively, and arc-shaped plates 302 are fixedly connected to the lower ends of the two first electric push rods 301.
In this embodiment: place the steel pipe inside two semicircular grooves 2, start conveyer 1 and can drive a plurality of roller 101 and rotate, a plurality of roller 101 pass through-hole 202 and steel pipe contact this moment, and then drive the steel pipe and remove right, remove to cutting position after the steel pipe, start two first electric push rods 301 and drive two arcs 302 and push down both ends about the steel pipe, then cut the steel pipe middle part to reach the effect of stabilizing the centre gripping steel pipe.
As a technical optimization scheme of the invention, the right side of the conveyor 1 is fixedly connected with a material collecting box 6, the right side wall of the material collecting box 6 is fixedly provided with a third electric push rod 7, the right end of the third electric push rod 7 is fixedly provided with a push plate 701, the left side wall of the push plate 701 is fixedly provided with a motor 8, the motor 8 is positioned above the third electric push rod 7, the output end of the motor 8 is provided with a rotating shaft 801, the left end of the rotating shaft 801 is fixedly connected with a rotating drum 802, the right side of the inner wall of the rotating drum 802 is fixedly connected with a core column 803, and the inner wall of the rotating drum 802 and the outer wall of the.
In this embodiment: the steel pipe after the cutting continues to move to the right side, and the right-hand member and the rotary drum 802 of working as the steel pipe peg graft the back and stop moving, then starter motor 8 drives rotary drum 802 and stem 803 and rotates, and then polishes the deckle edge of the inside and outside both sides of steel pipe incision department through edging layer 804 to reach the deckle edge's of steel pipe effect of polishing fast, simultaneously, lean on left long steel pipe stop moving and carry out cutting work, thereby reduce the cutting and polish the time that consumes, improve work efficiency.
As a technical optimization scheme of the invention, a discharge hole 601 is formed in the front end face of the material collecting box 6, the width of the discharge hole 601 is larger than the diameter of a steel pipe, an inclined plate 602 is fixedly connected to the bottom end of the inner wall of the material collecting box 6, support legs 103 are fixedly connected to the left side and the right side of the lower end face of the conveyor 1, a conveyor belt 9 is arranged below the material collecting box 6, the front end of the conveyor belt 9 extends to the front of the material collecting box 6, and the heights of the two support legs 103 are larger than the height of the conveyor belt.
In this embodiment: after the notch of steel pipe is polished, start third electric push rod 7 and drive push pedal 701 and motor 8 and move right, and then make rotary drum 802 inertia drag the steel pipe and remove, can drop because of gravity reason when the steel pipe is unsettled completely in the case 6 top that gathers materials, then roll to discharge gate 601 through swash plate 602, the steel pipe through discharge gate 601 will pass through conveyer belt 9 and convey to next processing station to reach the effect of once only collecting the steel pipe.
As a technical optimization scheme of the invention, a cutting machine 4 is fixedly mounted on the rear side of the upper end surface of a conveyor 1, the cutting machine 4 is positioned between two semicircular grooves 2, a fixing rod 401 is fixedly connected to the housing of the cutting machine 4, a connecting ring 402 is fixedly connected to the front end of the fixing rod 401, a mounting plate 102 is fixedly connected to the front end surface of the conveyor 1, a second electric push rod 5 is mounted on the lower end surface of the mounting plate 102 in a penetrating manner, a connecting rod 501 is fixedly connected to the upper end of the second electric push rod 5, the connecting rod 501 penetrates through the connecting ring 402 and extends to the upper side of the connecting ring 402, and a limiting piece.
In this embodiment: after the steel pipe moves to the cutting position, the wheel cutter rotates when the cutting machine 4 is started, the second electric push rod 5 is started, the wheel cutter is driven to move downwards at a constant speed, the wheel cutter is located between the two semicircular grooves 2, the cutting machine 4 cuts off the steel pipe in the downward moving process, and therefore the effect of automatically cutting the steel pipe is achieved.
As a technical optimization scheme of the invention, the top end of the inner wall of the arc-shaped plate 302 is fixedly connected with a pressing block 303, the front side and the rear side of the inner wall of the arc-shaped plate 302 are fixedly connected with clamping blocks 304, and the inner wall of the semicircular groove 2 is fixedly connected with a plurality of evenly distributed anti-skidding strips 201.
In this embodiment: because the steel pipe is the smooth tube-shape in surface, when consequently arc 302 centre gripping steel pipe, the steel pipe is pushed down in order to prevent that the steel pipe from moving about to the elastic pressing block 303, and two elastic clamping blocks 304 centre gripping steel pipe are in order to prevent its fore-and-aft rotation, through setting up the frictional force between multiplicable semicircular groove 2 of a plurality of antislip strips 201 and the steel pipe to further stabilize the position of fixed steel pipe.
The working principle and the using process of the invention are as follows: the steel pipe is placed inside the two semicircular grooves 2, the conveyor 1 is started to drive the plurality of roller shafts 101 to rotate, the plurality of roller shafts 101 are in contact with the steel pipe through the through holes 202 at the moment, the steel pipe is driven to move rightwards, after the steel pipe moves to a cutting position, the two first electric push rods 301 are started to drive the two arc-shaped plates 302 to press down the left end and the right end of the steel pipe, the wheel cutter rotates when the cutting machine 4 is started, the second electric push rod 5 is started to further drive the wheel cutter to move downwards at a constant speed, the wheel cutter is positioned between the two semicircular grooves 2, the cutting machine 4 cuts the steel pipe in the downward moving process, the cut steel pipe continues to move rightwards, after the right end of the steel pipe is spliced with the rotary drum 802, the rotary drum 802 and the core column 803 are driven to rotate by the starting motor 8, burrs on the inner side and the outer side of the cut of the steel pipe are polished by the edge polishing layer, and then make the steel pipe of rotary drum 802 inertia drag the steel pipe and remove, can drop because of gravity reason when the steel pipe is unsettled completely in the top of the case 6 that gathers materials, then roll to discharge gate 601 through swash plate 602, the steel pipe through discharge gate 601 will pass through conveyer belt 9 and convey to next processing station to once only collect the steel pipe.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a pipeline cutting device who deckle edge, includes conveyer (1), a plurality of roller (101) of transversely arranging are installed to the inner wall of conveyer (1), its characterized in that: the left side and the right side of the upper end face of the conveyor (1) are fixedly connected with semicircular grooves (2), a gap is formed between the two semicircular grooves (2), through holes (202) are formed in the bottom ends of the inner walls of the two semicircular grooves (2), mounting frames (3) are arranged above the two semicircular grooves (2), the front side and the rear side of each mounting frame (3) are detachably connected with the conveyor (1), first electric push rods (301) are mounted on the upper end faces of the two mounting frames (3) in a penetrating mode, the lower ends of the two first electric push rods (301) extend into the two semicircular grooves (2) respectively, and arc-shaped plates (302) are fixedly connected to the lower ends of the two first electric push rods (301);
the right side of the conveyor (1) is fixedly connected with a material collecting box (6), the right side wall of the material collecting box (6) is fixedly provided with a third electric push rod (7), the right end of the third electric push rod (7) is fixedly provided with a push plate (701), the left side wall of the push plate (701) is fixedly provided with a motor (8), the motor (8) is positioned above the third electric push rod (7), the output end of the motor (8) is provided with a rotating shaft (801), the left end of the rotating shaft (801) is fixedly connected with a rotating cylinder (802), the right side of the inner wall of the rotating cylinder (802) is fixedly connected with a core column (803), and the inner wall of the rotating cylinder (802) and the outer wall of the core column (803) are both wrapped with edge grinding layers;
the front end face of the material collecting box (6) is provided with a material outlet (601), and the bottom end of the inner wall of the material collecting box (6) is fixedly connected with an inclined plate (602).
2. A deflashed pipe cutting apparatus as set forth in claim 1, wherein: the rear side fixed mounting of conveyer (1) up end has cutting machine (4), cutting machine (4) are located between two semicircular groove (2), shell fixedly connected with dead lever (401) of cutting machine (4), the front end fixedly connected with go-between (402) of dead lever (401), preceding terminal surface fixedly connected with mounting panel (102) of conveyer (1), the lower terminal surface of mounting panel (102) runs through and installs second electric putter (5), the upper end fixedly connected with connecting rod (501) of second electric putter (5), connecting rod (501) run through go-between (402) and extend to the top of go-between (402), the upper end fixedly connected with spacing piece (502) of connecting rod (501).
3. A deflashed pipe cutting apparatus as set forth in claim 1, wherein: the top end of the inner wall of the arc-shaped plate (302) is fixedly connected with a pressing block (303), and the front side and the rear side of the inner wall of the arc-shaped plate (302) are fixedly connected with clamping blocks (304).
4. A deflashed pipe cutting apparatus as set forth in claim 1, wherein: the inner wall of the semicircular groove (2) is fixedly connected with a plurality of evenly distributed anti-slip strips (201).
5. A deflashed pipe cutting apparatus as set forth in claim 1, wherein: the equal fixedly connected with stabilizer blade (103) of the left and right sides of terminal surface under conveyer (1), the below of gathering together workbin (6) is provided with conveyer belt (9), the place ahead of gathering together workbin (6) is extended to the front end of conveyer belt (9).
6. A deflashed pipe cutting apparatus as set forth in claim 5, wherein: the height of the two support legs (103) is larger than that of the conveyor belt (9).
7. A deflashed pipe cutting apparatus as set forth in claim 1, wherein: the left end face of the push plate (701) is fixedly connected with a bearing plate (702), and the upper end face of the bearing plate (702) is detachably connected with a base of the motor (8).
8. A deflashed pipe cutting apparatus as set forth in claim 1, wherein: the width of the discharge hole (601) is larger than the diameter of the steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283811.9A CN112658688A (en) | 2020-11-17 | 2020-11-17 | Deburring pipeline cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283811.9A CN112658688A (en) | 2020-11-17 | 2020-11-17 | Deburring pipeline cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN112658688A true CN112658688A (en) | 2021-04-16 |
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ID=75403501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011283811.9A Pending CN112658688A (en) | 2020-11-17 | 2020-11-17 | Deburring pipeline cutting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112658688A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367823A (en) * | 2021-12-21 | 2022-04-19 | 杨燕梅 | Combined machine tool for metal processing |
| CN117226169A (en) * | 2023-11-15 | 2023-12-15 | 泰州市顺发消防器材有限公司 | Fire-fighting pipe cutting device for fire control |
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| CN205733821U (en) * | 2016-06-01 | 2016-11-30 | 江西隆祥钢结构工程有限公司 | A kind of steel plate cutting burr removing integrated apparatus |
| CN206747970U (en) * | 2017-01-03 | 2017-12-15 | 天津市佳格交通配件有限公司 | A kind of pipe cutting machine of automatic edging |
| CN110193778A (en) * | 2019-07-16 | 2019-09-03 | 李琴 | A kind of auto parts and components grinding device |
| CN110238661A (en) * | 2019-06-27 | 2019-09-17 | 江苏力畅自动化科技有限公司 | A kind of steel pipe automatically processing device |
| CN210209750U (en) * | 2019-06-10 | 2020-03-31 | 上饶市佰正光电有限公司 | Spacer ring deburring device for optical instrument production |
| CN211137347U (en) * | 2019-10-09 | 2020-07-31 | 刘玉静 | PVC pipe cutting device who facilitates use |
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2020
- 2020-11-17 CN CN202011283811.9A patent/CN112658688A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205733821U (en) * | 2016-06-01 | 2016-11-30 | 江西隆祥钢结构工程有限公司 | A kind of steel plate cutting burr removing integrated apparatus |
| CN206747970U (en) * | 2017-01-03 | 2017-12-15 | 天津市佳格交通配件有限公司 | A kind of pipe cutting machine of automatic edging |
| CN210209750U (en) * | 2019-06-10 | 2020-03-31 | 上饶市佰正光电有限公司 | Spacer ring deburring device for optical instrument production |
| CN110238661A (en) * | 2019-06-27 | 2019-09-17 | 江苏力畅自动化科技有限公司 | A kind of steel pipe automatically processing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114367823A (en) * | 2021-12-21 | 2022-04-19 | 杨燕梅 | Combined machine tool for metal processing |
| CN117226169A (en) * | 2023-11-15 | 2023-12-15 | 泰州市顺发消防器材有限公司 | Fire-fighting pipe cutting device for fire control |
| CN117226169B (en) * | 2023-11-15 | 2024-02-23 | 泰州市顺发消防器材有限公司 | Fire-fighting pipe cutting device for fire control |
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Application publication date: 20210416 |