CN111605321A - A beat mark device for fire control steel bottle - Google Patents
A beat mark device for fire control steel bottle Download PDFInfo
- Publication number
- CN111605321A CN111605321A CN202010364480.5A CN202010364480A CN111605321A CN 111605321 A CN111605321 A CN 111605321A CN 202010364480 A CN202010364480 A CN 202010364480A CN 111605321 A CN111605321 A CN 111605321A
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- China
- Prior art keywords
- base
- gears
- fire
- bidirectional threaded
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 230000002457 bidirectional effect Effects 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0045—Guides for printing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/007—Conveyor belts or like feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/413—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material for metal
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Attitude Control For Articles On Conveyors (AREA)
Abstract
The invention discloses a marking device for a fire-fighting steel cylinder, which comprises a conveying belt, wherein a marking head is arranged above the conveying belt, two guide strips are arranged between the conveying belt and the marking head in parallel to the conveying direction of the conveying belt, the two guide strips are arranged at intervals in parallel, a guide channel is formed between the two guide strips, the width of the guide channel is matched with the size of the fire-fighting steel cylinder, one end of the guide channel, facing the starting direction of the conveying belt, is provided with a bell mouth, and the two guide strips are both arranged on a mounting frame. The steel bottle marking device is simple in structure and convenient to use, and the width of the guide channel is consistent with the size of the body of the steel bottle through the guide channel formed between the two guide strips, so that the fire-fighting steel bottle can be guaranteed to be marked orderly through the lower part of the marking head according to the set direction, and the marking direction on each steel bottle is uniform.
Description
Technical Field
The invention relates to the technical field of auxiliary fire-fighting instruments, in particular to a device for marking a fire-fighting steel cylinder body.
Background
In the preparation technical field of the fire control steel bottle, after the fire control steel bottle production was accomplished, need carry out the sign to the body of steel bottle and beat the mark, all regularly arrange the fire control steel bottle on the conveyer belt, convey to the below of marking the head through the conveyer belt and beat the mark.
However, since the fire-fighting steel cylinder has a circular body and is likely to roll when subjected to vibration during the conveyance of the conveyor belt, the marking position of the marking machine on the body may be deviated.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a device for marking the body of a fire-fighting steel cylinder.
In order to achieve the technical effects, the invention adopts the following scheme:
the utility model provides a beat mark device for fire control steel bottle, includes the conveyer belt, the conveyer belt top is equipped with marks the head, and the conveyer belt is equipped with two gibs blocks with the direction of transfer that is on a parallel with the conveyer belt between marking the head, and two gibs blocks intervals set up side by side, form the direction passageway between two gibs blocks, and the width of direction passageway and the size phase-match of fire control steel bottle, direction passageway have the horn mouth towards the one end of the originated direction of conveyer belt, and two gibs blocks are all installed on the mounting bracket.
According to the preferable technical scheme, the distance between the two guide strips is adjusted through the distance adjusting device, and the mounting frame is driven by the lifting device to move in the vertical direction.
According to the preferable technical scheme, the distance adjusting device comprises two bidirectional threaded rods, the two bidirectional threaded rods are arranged in parallel at intervals and perpendicular to the conveying direction of the conveying belt, threaded holes matched with the two bidirectional threaded rods are formed in the two guide strips, the two ends of the two bidirectional threaded rods penetrate through the two guide strips through the corresponding threaded holes respectively, the two ends of the two bidirectional threaded rods penetrate through the two guide strips respectively and then are connected with the mounting frame in a rotating mode, and the two bidirectional threaded rods are driven to rotate synchronously through the rotation driving device.
The rotation driving device comprises two first gears with the same specification, the two first gears are respectively installed at two ends of the two bidirectional threaded rods in the same direction, the two first gears are respectively meshed with second gears with the same specification, the second gears are installed on the installation frame to rotate, the two second gears are respectively coaxially provided with third gears with the same specification, double chain wheels are arranged on center lines of the two third gears, the double chain wheels are installed on the installation frame and driven to rotate through a first driving mechanism, the double chain wheels are respectively connected with the two third gears through chains, and the thread turning directions of corresponding parts on the two bidirectional threaded rods are the same.
According to the preferable technical scheme, the first driving mechanism comprises a first rocking handle, and the output end of the first rocking handle is connected with the double chain wheels.
The optimized technical scheme is that the lifting device comprises a lifting disc, a base is arranged below the lifting disc, the base is circular, a circular ring gear is sleeved on the circumference of the base, teeth of the circular ring gear are arranged upwards, at least two supporting blocks are arranged on the surface of the base, the supporting blocks are arranged around the circle center array of the base, a rotating shaft which penetrates through the supporting blocks along the radial direction of the base is arranged on each supporting block, the rotating shaft is rotatably connected with the supporting blocks, a rotating shaft gear is arranged at one end, facing the outer side of the base, of the rotating shaft, the rotating shaft gear is meshed with the circular ring gear, one end, facing the inner side of the base, of the rotating shaft is connected with a hinge, the hinge comprises a first connecting strip and a second connecting strip, respective ends of the first connecting strip and the second connecting strip are hinged with each other, the other end of the first connecting, the opening of an included angle between the first connecting strip and the second connecting strip of the plurality of hinges is consistent in the clockwise direction or the anticlockwise direction, and the annular gear is driven by the second driving mechanism to rotate around the base.
According to the preferable technical scheme, the outer side edge of the base is provided with an outer convex edge around the base, the inner side wall of the annular gear is provided with an embedded groove around the annular gear, the embedded groove is matched with the outer convex edge, and the outer convex edge of the annular gear is embedded into the embedded groove when the annular gear is sleeved on the base.
According to the preferable technical scheme, the upper surface and the lower surface of the outer convex edge are uniformly provided with a plurality of balls around the outer convex edge, the upper side wall and the lower side wall of the embedded groove are respectively provided with ball grooves matched with the balls, the ball grooves are arranged along the embedded groove, and the balls are embedded into the ball grooves to roll.
According to the preferred technical scheme, the second driving mechanism comprises a supporting frame, a second rocking handle is rotatably arranged on the supporting frame, a rocking handle gear is arranged at the output end of the second rocking handle, the rocking handle gear is meshed with the circular ring-shaped gear and is connected with the circular ring-shaped gear, a clamping piece is rotatably arranged on the base, one end of the clamping piece is hinged to the base, and the other end of the clamping piece corresponds to the tooth teeth of the circular ring-shaped gear.
According to the preferred technical scheme, the number of the supporting blocks is four.
Compared with the prior art, beneficial effect does:
the steel bottle marking device is simple in structure and convenient to use, and the width of the guide channel is consistent with the size of the body of the steel bottle through the guide channel formed between the two guide strips, so that the fire-fighting steel bottle can be guaranteed to be marked orderly through the lower part of the marking head according to the set direction, and the marking direction on each steel bottle is uniform.
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.
The utility model provides a beat mark device for fire control steel bottle, includes the conveyer belt, the conveyer belt top is equipped with marks the head, and the conveyer belt is equipped with two gibs blocks with the direction of transfer that is on a parallel with the conveyer belt between marking the head, and two gibs blocks intervals set up side by side, form the direction passageway between two gibs blocks, and the width of direction passageway and the size phase-match of fire control steel bottle, direction passageway have the horn mouth towards the one end of the originated direction of conveyer belt, and two gibs blocks are all installed on the mounting bracket.
According to the preferable technical scheme, the distance between the two guide strips is adjusted through the distance adjusting device, and the mounting frame is driven by the lifting device to move in the vertical direction.
When beating the standard to the fire control steel bottle of equidimension not, the distance between two gibs is different, and the distance between gib and the conveyer belt is different, adjusts the distance between two gibs through the roll adjustment device, thereby adjusts the distance between the mount frame drives the regulation gib and the conveyer belt in the position of vertical direction through elevating gear.
According to the preferable technical scheme, the distance adjusting device comprises two bidirectional threaded rods, the two bidirectional threaded rods are arranged in parallel at intervals and perpendicular to the conveying direction of the conveying belt, threaded holes matched with the two bidirectional threaded rods are formed in the two guide strips, the two ends of the two bidirectional threaded rods penetrate through the two guide strips through the corresponding threaded holes respectively, the two ends of the two bidirectional threaded rods penetrate through the two guide strips respectively and then are connected with the mounting frame in a rotating mode, and the two bidirectional threaded rods are driven to rotate synchronously through the rotation driving device.
The rotation driving device comprises two first gears with the same specification, the two first gears are respectively installed at two ends of the two bidirectional threaded rods in the same direction, the two first gears are respectively meshed with second gears with the same specification, the second gears are installed on the installation frame to rotate, the two second gears are respectively coaxially provided with third gears with the same specification, double chain wheels are arranged on center lines of the two third gears, the double chain wheels are installed on the installation frame and driven to rotate through a first driving mechanism, the double chain wheels are respectively connected with the two third gears through chains, and the thread turning directions of corresponding parts on the two bidirectional threaded rods are the same.
According to the preferable technical scheme, the first driving mechanism comprises a first rocking handle, and the output end of the first rocking handle is connected with the double chain wheels.
The optimized technical scheme is that the lifting device comprises a lifting disc, a base is arranged below the lifting disc, the base is circular, a circular ring gear is sleeved on the circumference of the base, teeth of the circular ring gear are arranged upwards, at least two supporting blocks are arranged on the surface of the base, the supporting blocks are arranged around the circle center array of the base, a rotating shaft which penetrates through the supporting blocks along the radial direction of the base is arranged on each supporting block, the rotating shaft is rotatably connected with the supporting blocks, a rotating shaft gear is arranged at one end, facing the outer side of the base, of the rotating shaft, the rotating shaft gear is meshed with the circular ring gear, one end, facing the inner side of the base, of the rotating shaft is connected with a hinge, the hinge comprises a first connecting strip and a second connecting strip, respective ends of the first connecting strip and the second connecting strip are hinged with each other, the other end of the first connecting, the opening of an included angle between the first connecting strip and the second connecting strip of the plurality of hinges is consistent in the clockwise direction or the anticlockwise direction, and the annular gear is driven by the second driving mechanism to rotate around the base.
According to the preferable technical scheme, the outer side edge of the base is provided with an outer convex edge around the base, the inner side wall of the annular gear is provided with an embedded groove around the annular gear, the embedded groove is matched with the outer convex edge, and the outer convex edge of the annular gear is embedded into the embedded groove when the annular gear is sleeved on the base.
According to the preferable technical scheme, the upper surface and the lower surface of the outer convex edge are uniformly provided with a plurality of balls around the outer convex edge, the upper side wall and the lower side wall of the embedded groove are respectively provided with ball grooves matched with the balls, the ball grooves are arranged along the embedded groove, and the balls are embedded into the ball grooves to roll.
According to the preferred technical scheme, the second driving mechanism comprises a supporting frame, a second rocking handle is rotatably arranged on the supporting frame, a rocking handle gear is arranged at the output end of the second rocking handle, the rocking handle gear is meshed with the circular ring-shaped gear and is connected with the circular ring-shaped gear, a clamping piece is rotatably arranged on the base, one end of the clamping piece is hinged to the base, and the other end of the clamping piece corresponds to the tooth teeth of the circular ring-shaped gear.
According to the preferred technical scheme, the number of the supporting blocks is four.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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.
Claims (10)
1. The utility model provides a beat mark device for fire control steel bottle, includes the conveyer belt, and the conveyer belt top is equipped with marks the head, and its characterized in that, conveyer belt and beat the head between be on a parallel with the direction of transfer of conveyer belt be equipped with two gibs, and two gibs intervals set up side by side, form the direction passageway between two gibs, the width of direction passageway and the size phase-match of fire control steel bottle, and the direction passageway has the horn mouth towards the one end of the originated direction of conveyer belt, and two gibs are all installed on the mounting bracket.
2. The marking device for the fire-fighting steel cylinder as claimed in claim 1, wherein the distance between the two guide bars is adjusted by a distance adjusting device, and the mounting frame is driven by a lifting device to move in the vertical direction.
3. The marking device for the fire-fighting steel cylinder as claimed in claim 2, wherein the distance adjusting device comprises two bidirectional threaded rods, the two bidirectional threaded rods are arranged in parallel at intervals and perpendicular to the conveying direction of the conveying belt, threaded holes matched with the two bidirectional threaded rods are formed in the two guide strips, two ends of each bidirectional threaded rod penetrate through the two guide strips through the corresponding threaded holes respectively, two ends of each bidirectional threaded rod penetrate through the two guide strips respectively and then are connected with the mounting frame in a rotating mode, and the two bidirectional threaded rods are driven to rotate synchronously through the rotation driving device.
4. The marking device for the fire-fighting steel cylinder as claimed in claim 3, wherein the rotation driving device comprises two first gears with the same specification, the two first gears are respectively installed at two ends of the two bidirectional threaded rods in the same direction, the two first gears are respectively meshed with second gears with the same specification, the second gears are installed on the installation frame to rotate, the two second gears are respectively coaxially provided with third gears with the same specification, a double-chain wheel is arranged on a center line of the two third gears, the double-chain wheel is installed on the installation frame and driven to rotate through the first driving mechanism, the double-chain wheel is respectively connected with the two third gears through chains, and the thread turning directions of corresponding parts on the two bidirectional threaded rods are the same.
5. The marking device for the fire steel cylinder as recited in claim 4, wherein the first driving mechanism comprises a first rocking handle, and an output end of the first rocking handle is connected with the double chain wheel.
6. The marking device as claimed in claim 2, wherein the lifting device comprises a lifting disc, a base is arranged below the lifting disc, the base is circular, a circular ring gear is sleeved on the circumference of the base, teeth of the circular ring gear face upward, at least two supporting blocks are arranged on the surface of the base, the supporting blocks are arranged around the circle center array of the base, a rotating shaft which penetrates through the supporting blocks along the radial direction of the base is arranged on each supporting block, the rotating shaft is rotatably connected with the supporting blocks, a rotating shaft gear is arranged at one end of the rotating shaft, which faces the outer side of the base, and is meshed with the circular ring gear, a hinge is connected at one end of the rotating shaft, which faces the inner side of the base, and comprises a first connecting strip and a second connecting strip, respective ends of the first connecting strip and the second connecting strip are hinged to each other, and the other, the other end of the second connecting strip is hinged with the lifting disc, the mounting frame is fixed on the lifting disc, the included angle openings between the first connecting strips and the second connecting strips of the plurality of hinges are consistent in the clockwise direction or the anticlockwise direction, and the annular gear is driven by the second driving mechanism to rotate around the base.
7. The marking device as claimed in claim 6, wherein the outer side edge of the base has a convex edge around the base, the inner side wall of the ring gear has an embedded groove around the ring gear, the embedded groove is matched with the convex edge, and the convex edge is embedded into the embedded groove when the ring gear is sleeved on the base.
8. The marking device as claimed in claim 7, wherein the upper and lower surfaces of the outer protruding edge are uniformly provided with a plurality of balls around the outer protruding edge, the upper and lower sidewalls of the insertion groove are respectively provided with ball grooves matched with the balls, the ball grooves are arranged along the insertion groove, and the balls are inserted into the ball grooves to roll.
9. The marking device as claimed in claim 6, wherein the second driving mechanism includes a supporting frame, a second rocking handle is rotatably disposed on the supporting frame, a rocking handle gear is disposed at an output end of the second rocking handle, the rocking handle gear is engaged with the annular gear, a clamping piece is rotatably disposed on the base, one end of the clamping piece is hinged to the base, and the other end of the clamping piece corresponds to the teeth of the annular gear.
10. The marking device for a fire cylinder as recited in claim 6 wherein the number of support blocks is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364480.5A CN111605321A (en) | 2020-04-30 | 2020-04-30 | A beat mark device for fire control steel bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364480.5A CN111605321A (en) | 2020-04-30 | 2020-04-30 | A beat mark device for fire control steel bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111605321A true CN111605321A (en) | 2020-09-01 |
Family
ID=72196154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010364480.5A Pending CN111605321A (en) | 2020-04-30 | 2020-04-30 | A beat mark device for fire control steel bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111605321A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH232775A (en) * | 1943-05-29 | 1944-06-15 | Moser Haeberli Karl | Scissor wall arm. |
| CN103922000A (en) * | 2014-04-22 | 2014-07-16 | 成都中牧生物药业有限公司 | Code printing machine |
| CN106006451A (en) * | 2016-05-20 | 2016-10-12 | 三明学院 | Urban afforestation tree trimming device and application method thereof |
| CN207497100U (en) * | 2017-11-29 | 2018-06-15 | 厦门嘉宝莱化妆品有限公司 | The bottle separating device of automatic labeling machine |
| CN207890475U (en) * | 2017-12-22 | 2018-09-21 | 广东铭钰科技股份有限公司 | A kind of transmitting device with pose adjustment function |
| CN208684305U (en) * | 2018-06-29 | 2019-04-02 | 浙江理工大学 | A kind of rotatable three-face over-constrained scissor-type lifting mechanism |
| CN209306594U (en) * | 2018-12-12 | 2019-08-27 | 广东天酿智能装备有限公司 | Apparatus for transporting freight and handling facilities |
| CN210047976U (en) * | 2019-04-30 | 2020-02-11 | 蚌埠市艾瑞德喷码设备有限公司 | Conveying mechanism of bottle bottom ink jet printer |
| CN111016453A (en) * | 2020-01-07 | 2020-04-17 | 王悦 | Sheet metal spraying part marking system |
| CN111056269A (en) * | 2020-01-08 | 2020-04-24 | 工业和信息化部电子第五研究所华东分所 | Multi-specification cylinder transmission device and implementation method thereof |
| CN212529069U (en) * | 2020-04-30 | 2021-02-12 | 嘉兴市永大消防配件有限公司 | A beat mark device for fire control steel bottle |
-
2020
- 2020-04-30 CN CN202010364480.5A patent/CN111605321A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH232775A (en) * | 1943-05-29 | 1944-06-15 | Moser Haeberli Karl | Scissor wall arm. |
| CN103922000A (en) * | 2014-04-22 | 2014-07-16 | 成都中牧生物药业有限公司 | Code printing machine |
| CN106006451A (en) * | 2016-05-20 | 2016-10-12 | 三明学院 | Urban afforestation tree trimming device and application method thereof |
| CN207497100U (en) * | 2017-11-29 | 2018-06-15 | 厦门嘉宝莱化妆品有限公司 | The bottle separating device of automatic labeling machine |
| CN207890475U (en) * | 2017-12-22 | 2018-09-21 | 广东铭钰科技股份有限公司 | A kind of transmitting device with pose adjustment function |
| CN208684305U (en) * | 2018-06-29 | 2019-04-02 | 浙江理工大学 | A kind of rotatable three-face over-constrained scissor-type lifting mechanism |
| CN209306594U (en) * | 2018-12-12 | 2019-08-27 | 广东天酿智能装备有限公司 | Apparatus for transporting freight and handling facilities |
| CN210047976U (en) * | 2019-04-30 | 2020-02-11 | 蚌埠市艾瑞德喷码设备有限公司 | Conveying mechanism of bottle bottom ink jet printer |
| CN111016453A (en) * | 2020-01-07 | 2020-04-17 | 王悦 | Sheet metal spraying part marking system |
| CN111056269A (en) * | 2020-01-08 | 2020-04-24 | 工业和信息化部电子第五研究所华东分所 | Multi-specification cylinder transmission device and implementation method thereof |
| CN212529069U (en) * | 2020-04-30 | 2021-02-12 | 嘉兴市永大消防配件有限公司 | A beat mark device for fire control steel bottle |
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