CN113607372A - Long-pressure short-pumping ventilation dust fall experiment platform air compression system - Google Patents
Long-pressure short-pumping ventilation dust fall experiment platform air compression system Download PDFInfo
- Publication number
- CN113607372A CN113607372A CN202110897525.XA CN202110897525A CN113607372A CN 113607372 A CN113607372 A CN 113607372A CN 202110897525 A CN202110897525 A CN 202110897525A CN 113607372 A CN113607372 A CN 113607372A
- Authority
- CN
- China
- Prior art keywords
- bracket
- air compression
- movable
- air
- long
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 title claims abstract description 33
- 238000007906 compression Methods 0.000 title claims abstract description 33
- 238000009423 ventilation Methods 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 title claims abstract description 14
- 238000005086 pumping Methods 0.000 title claims abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
Abstract
The invention discloses a long-pressing short-pumping ventilation dust fall experiment platform air compression system, which relates to the field of ventilation systems and comprises a fixed bottom plate, wherein a support table is arranged on the surface of the fixed bottom plate, a blower is arranged on one side of the support table, an air compression pipeline is fixedly connected to the output end of the blower, a flexible air pipe is arranged in the center of the air compression pipeline, an air distribution port is formed in one end, away from the blower, of the air compression pipeline, the air distribution port is rotatably connected with the air compression pipeline, a plurality of second brackets are sleeved on the surface of the flexible air pipe, a first bracket is arranged on one side of each second bracket, the first bracket is close to the blower, a third bracket is arranged on the other side of each second bracket, and the first brackets and the third brackets are respectively sleeved at the front end and the rear end of the air compression pipeline; according to the invention, the telescopic device is arranged, and the telescopic device can push the second bracket and the third bracket to slide on the support table, so that the flexible air pipe is stretched, the whole compressed air pipeline can be prolonged, the compressed air pipeline is extended to a working environment, and a good ventilation state is kept.
Description
Technical Field
The invention relates to the field of ventilation systems, in particular to a long-pressure short-suction ventilation dust-settling experiment platform air compression system.
Background
At present, aiming at dust prevention and control in mine occupational health, ventilation and dust removal are one of effective dust removal modes, fresh air is fed into a mine tunnel or a tunnel through an air compression system, and the method is one of important steps in ventilation and dust removal.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the air compression system of the long-pressure short-suction ventilation dust-settling experimental platform, and the air compression system is provided with the telescopic device which can push the second bracket and the third bracket to slide on the supporting table, so that the flexible air pipe is stretched, the whole air compression pipeline can be prolonged, the air compression pipeline is extended into a working environment, and a good ventilation state is kept;
the rotatable air distribution opening is arranged, the plurality of branch pipes are arranged on the surface of the air distribution opening, and the orientation of the branch pipes can be adjusted by rotating the air distribution opening, so that the four-side ventilation is ensured.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a long press short ventilation dust fall experiment platform and press wind system, comprising a fixed baseplate, PMKD's surface is provided with a supporting bench, one side of a supporting bench is provided with the forced draught fan, the output fixedly connected with forced draught pipeline of forced draught fan, the center department of forced draught pipeline is flexible tuber pipe, the one end that the forced draught fan was kept away from to the forced draught pipeline is provided with the branch wind gap, and divide the wind gap to rotate with the forced draught pipeline and link to each other, the surface cover of flexible tuber pipe is equipped with a plurality of second brackets, one side of second bracket is provided with first bracket, first bracket is close to the forced draught fan, the opposite side of second bracket is provided with the third bracket, first bracket overlaps respectively in the front and back both ends of forced draught pipeline with the third bracket, first bracket, the second bracket all links to each other with a supporting bench, the front end of second bracket is provided with the telescoping device.
Furthermore, the surface of the air distribution opening is provided with a plurality of branch pipes, the rear end of the air distribution opening is sleeved with a driven gear, the side wall of the third bracket is welded with an installation table, the surface of the installation table is fixedly provided with a rotating motor, the output end of the rotating motor is connected with a driving gear, and the driving gear is meshed with the driven gear.
Furthermore, the first bracket is fixedly connected with the supporting table, the second bracket and the third bracket are connected with the supporting table in a sliding mode, a connecting rod is welded on the side wall of the second bracket, and the second bracket is fixedly connected with the third bracket through the connecting rod.
Further, the second bracket comprises a base, a ring sleeve is fixedly connected to the top of the base, a sliding rail is arranged on the surface of the supporting table, the base is connected with the supporting table in a sliding mode through the sliding rail, and the first bracket and the third bracket are identical in structure.
Further, the telescoping device includes the adjustable shelf, and the surface cover of adjustable shelf is equipped with the adjustable shelf, and the adjustable shelf links to each other with the second bracket, and the bottom of adjustable shelf is provided with the lead screw, and the lead screw rotates with a supporting bench and links to each other, and the one end of lead screw is provided with the sideslip motor, and the adjustable shelf links to each other with the lead screw thread.
Further, the adjustable shelf includes the movable table, and the inner chamber fixedly connected with slide bar of movable table, the one end cover of expansion bracket in the surface of slide bar, and the expansion bracket slides with the slide bar and links to each other, and the bottom welding of movable table has spacing slider, and spacing slider and lead screw thread link to each other.
Further, the expansion bracket comprises two movable rods hinged to each other, a movable sliding block is sleeved at the hinged position of each movable rod and sleeved on the surface of each sliding rod, and one end, far away from the movable sliding block, of each movable rod is hinged to the second bracket.
The invention has the beneficial effects that:
1. according to the invention, the telescopic device is arranged, and the telescopic device can push the second bracket and the third bracket to slide on the support table, so that the flexible air pipe is stretched, the whole compressed air pipeline can be prolonged, the compressed air pipeline is extended to a working environment, and a good ventilation state is kept;
2. the rotatable air distribution opening is arranged, the plurality of branch pipes are arranged on the surface of the air distribution opening, and the orientation of the branch pipes can be adjusted by rotating the air distribution opening, so that the four-side ventilation is ensured.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the air distributing port of the present invention;
FIG. 3 is a schematic view of the structure of the telescopic device of the present invention;
fig. 4 is a schematic structural view of the movable frame of the present invention.
In the figure: 1. fixing the bottom plate; 2. a support table; 3. a blower fan; 4. a compressed air pipeline; 5. a flexible air duct; 6. an air distributing opening; 61. a branch pipe; 62. a driven gear; 63. an installation table; 64. rotating the motor; 65. a driving gear; 7. a first bracket; 8. a second bracket; 81. a base; 82. sleeving a ring; 9. a third bracket; 10. a connecting rod; 11. a telescoping device; 111. a movable frame; 1111. a movable table; 1112. a slide bar; 1113. a limiting slide block; 112. a telescopic frame; 1121. a movable rod; 1122. moving the slide block; 113. a traversing motor; 114. and a lead screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
A long-pressure short-suction ventilation dust fall experiment platform air compression system comprises a fixed base plate 1, a support table 2 is arranged on the surface of the fixed base plate 1, a pressure fan 3 is arranged on one side of the support table 2, an air compression pipeline 4 is fixedly connected with the output end of the pressure fan 3, the air compression pipeline 4 is positioned at the upper end of the support table 2, a flexible air pipe 5 is arranged at the center of the air compression pipeline 4, the flexible air pipe 5 can be stretched, so that the length of the whole air compression pipeline 4 can be prolonged, an air distribution port 6 is arranged at one end, far away from the pressure fan 3, of the air compression pipeline 4, and the air distribution port 6 is rotatably connected with the air compression pipeline 4;
the surface cover of flexible tuber pipe 5 is equipped with a plurality of second brackets 8, one side of second bracket 8 is provided with first bracket 7, first bracket 7 is close to forced draught fan 3, the opposite side of second bracket 8 is provided with third bracket 9, both ends around forced draught pipeline 4 are overlapped respectively to first bracket 7 and third bracket 9, first bracket 7, second bracket 8 all links to each other with a supporting bench 2 with third bracket 9, the front end of second bracket 8 is provided with telescoping device 11, telescoping device 11 is used for stretching flexible tuber pipe 5.
As shown in fig. 2, the surface of the air distributing opening 6 is provided with a plurality of branch pipes 61 which can face a plurality of directions, the rear end of the air distributing opening 6 is sleeved with a driven gear 62, the side wall of the third bracket 9 is welded with an installation table 63, the surface of the installation table 63 is fixedly provided with a rotating motor 64, the output end of the rotating motor 64 is connected with a driving gear 65, the driving gear 65 is meshed with the driven gear 62, the orientation of the branch pipes 61 can be continuously adjusted, and ventilation is more comprehensive.
As shown in fig. 1, the first bracket 7 is fixedly connected to the support platform 2, the second bracket 8 and the third bracket 9 are slidably connected to the support platform 2, when the flexible air duct 5 is stretched by the telescopic device 11, the second bracket 8 and the third bracket 9 need to slide forward, the side wall of the second bracket 8 is welded with the connecting rod 10, and the second bracket 8 is fixedly connected to the third bracket 9 through the connecting rod 10, and by providing the connecting rod 10, when the second bracket 8 slides, the third bracket 9 can be directly driven to move.
As shown in fig. 3, the second bracket 8 includes a base 81, a collar 82 is fixedly connected to the top of the base 81, a slide rail is disposed on the surface of the supporting platform 2, the base 81 is slidably connected to the supporting platform 2 through the slide rail, the first bracket 7 and the third bracket 9 are identical in structure to the second bracket 8, except that the first bracket 7 is fixed to the supporting platform 2, and the second bracket 8 and the third bracket 9 can slide on the supporting platform 2.
As shown in fig. 4, the telescopic device 11 includes a movable frame 111, a telescopic frame 112 is sleeved on a surface of the movable frame 111, the telescopic frame 112 is connected to the second bracket 8, a lead screw 114 is disposed at a bottom of the movable frame 111, the lead screw 114 is rotatably connected to the support table 2, a traverse motor 113 is disposed at one end of the lead screw 114, the movable frame 111 is in threaded connection with the lead screw 114, the movable frame 111 can be pushed to move back and forth by the cooperation of the traverse motor 113 and the lead screw 114, and then the telescopic frame 112 is pushed to move by the movable frame 111, so as to stretch the flexible air duct 5.
The movable rack 111 comprises a movable platform 1111, a sliding rod 1112 is fixedly connected to an inner cavity of the movable platform 1111, one end of the telescopic rack 112 is sleeved on the surface of the sliding rod 1112, the telescopic rack 112 is connected with the sliding rod 1112 in a sliding manner, a limiting slide block 1113 is welded at the bottom end of the movable platform 1111, and the limiting slide block 1113 is connected with the screw 114 in a threaded manner.
The telescopic frame 112 includes two movable rods 1121 that are hinged to each other, a movable slider 1122 is sleeved at a hinge of the movable rod 1121, the movable slider 1122 is sleeved on the surface of the sliding rod 1112, one end of each of the two movable rods 1121, which is far away from the movable slider 1122, is hinged to the two adjacent second brackets 8, and when the movable slider 1122 moves inwards, the movable rod 1121 can be pushed inwards to open, so that the distance between the second brackets 8 is increased, and the flexible air duct 5 is stretched.
When using, through starting sideslip motor 113, sideslip motor 113 drives lead screw 114 and rotates, thereby inwards promote expansion bracket 112 through adjustable shelf 111, make movable rod 1121 open to both sides, promote second bracket 8 and slide forward, second bracket 8 passes through connecting rod 10 and drives third bracket 9 and slide together, stretch flexible tuber pipe 5, thereby let whole forced air duct 4 inwards extend along mine hole or tunnel, always extend forced air duct 4 to the position that the staff worked, in the ventilation, also can rotate motor 64 through the start-up, it drives branch wind gap 6 and rotates to rotate motor 64 through the cooperation of two gears, thereby can adjust the orientation of branch pipe 61, it is more smooth and easy to let the circulation of air.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. A long-pressure short-pumping ventilation dust fall experiment platform air compression system comprises a fixed base plate (1) and is characterized in that a support table (2) is arranged on the surface of the fixed base plate (1), a blower (3) is arranged on one side of the support table (2), an air compression pipeline (4) is fixedly connected with the output end of the blower (3), a flexible air pipe (5) is arranged at the center of the air compression pipeline (4), a branch air port (6) is arranged at one end, far away from the blower (3), of the air compression pipeline (4), the branch air port (6) is rotatably connected with the air compression pipeline (4), a plurality of second brackets (8) are sleeved on the surface of the flexible air pipe (5), a first bracket (7) is arranged on one side of each second bracket (8), the first bracket (7) is close to the blower (3), a third bracket (9) is arranged on the other side of each second bracket (8), and the first bracket (7) and the third bracket (9) are respectively sleeved at the front end and the rear end of the air compression pipeline (4), the first bracket (7), the second bracket (8) and the third bracket (9) are connected with the support platform (2), and the front end of the second bracket (8) is provided with a telescopic device (11).
2. The long-pressure short-pumping ventilation dust fall experiment platform air compression system according to claim 1, characterized in that a plurality of branch pipes (61) are arranged on the surface of the air distribution port (6), a driven gear (62) is sleeved at the rear end of the air distribution port (6), a mounting table (63) is welded on the side wall of the third bracket (9), a rotating motor (64) is fixedly mounted on the surface of the mounting table (63), a driving gear (65) is connected to the output end of the rotating motor (64), and the driving gear (65) is meshed with the driven gear (62).
3. The long-pressure short-suction ventilation dust-settling experiment platform air compression system as claimed in claim 1, wherein the first bracket (7) is fixedly connected with the support platform (2), the second bracket (8) and the third bracket (9) are slidably connected with the support platform (2), a connecting rod (10) is welded on the side wall of the second bracket (8), and the second bracket (8) is fixedly connected with the third bracket (9) through the connecting rod (10).
4. The long-pressure short-suction ventilation dust fall experiment platform air compression system according to claim 3, characterized in that the second bracket (8) comprises a base (81), a ring sleeve (82) is fixedly connected to the top of the base (81), a slide rail is arranged on the surface of the support table (2), the base (81) is slidably connected with the support table (2) through the slide rail, and the first bracket (7) and the third bracket (9) are identical in structure with the second bracket (8).
5. The long-pressure short-pumping ventilation dust fall experiment platform air compression system according to claim 1, characterized in that the telescopic device (11) comprises a movable frame (111), the surface of the movable frame (111) is sleeved with a telescopic frame (112), the telescopic frame (112) is connected with the second bracket (8), a lead screw (114) is arranged at the bottom of the movable frame (111), the lead screw (114) is rotatably connected with the support table (2), a transverse moving motor (113) is arranged at one end of the lead screw (114), and the movable frame (111) is in threaded connection with the lead screw (114).
6. The long-pressure short-pumping ventilation dust-settling experiment platform air compression system according to claim 5, characterized in that the movable frame (111) comprises a movable table (1111), a sliding rod (1112) is fixedly connected to an inner cavity of the movable table (1111), one end of the telescopic frame (112) is sleeved on the surface of the sliding rod (1112), the telescopic frame (112) is connected with the sliding rod (1112) in a sliding manner, a limiting sliding block (1113) is welded at the bottom end of the movable table (1111), and the limiting sliding block (1113) is connected with a lead screw (114) in a threaded manner.
7. The long-pressure short-suction ventilation dust fall experiment platform air compression system according to claim 6, wherein the expansion bracket (112) comprises two movable rods (1121) hinged to each other, a movable slider (1122) is sleeved at the hinged position of each movable rod (1121), the movable slider (1122) is sleeved on the surface of the sliding rod (1112), and one end, away from the movable slider (1122), of each movable rod (1121) is hinged to the second bracket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897525.XA CN113607372B (en) | 2021-08-05 | 2021-08-05 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897525.XA CN113607372B (en) | 2021-08-05 | 2021-08-05 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113607372A true CN113607372A (en) | 2021-11-05 |
| CN113607372B CN113607372B (en) | 2023-12-19 |
Family
ID=78307182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110897525.XA Active CN113607372B (en) | 2021-08-05 | 2021-08-05 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113607372B (en) |
Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066000A1 (en) * | 1981-06-02 | 1982-12-08 | Oldorid Kunststoff GmbH | Extension unit for a ventilation tubing |
| EP1048593A2 (en) * | 1999-04-21 | 2000-11-02 | AMSTED Industries Incorporated | Roller conveyor chain |
| KR200351036Y1 (en) * | 2004-02-17 | 2004-05-22 | 전영채 | Support bar for installing cookery shelf |
| JP2005146786A (en) * | 2003-11-19 | 2005-06-09 | Kajima Corp | Ventilation apparatus in tunnel |
| CN101761337A (en) * | 2009-12-29 | 2010-06-30 | 山东科技大学 | Air curtain sealing dedusting system on fully-mechanized excavating face |
| US20120029534A1 (en) * | 2010-07-28 | 2012-02-02 | Tyco Healthcare Group Lp | Articulating clip applier |
| CN202673362U (en) * | 2012-07-18 | 2013-01-16 | 中铁一局集团有限公司 | Telescopic high gas tunnel ventilation device |
| CN106761892A (en) * | 2017-01-25 | 2017-05-31 | 徐州徐工基础工程机械有限公司 | A kind of tunnel dust removal machine Telescopic air duct |
| JP2017218850A (en) * | 2016-06-10 | 2017-12-14 | 株式会社セラ−ズ | Toilet booth |
| CN206798985U (en) * | 2017-06-21 | 2017-12-26 | 李明 | Anticreep crane grab |
| CN208858364U (en) * | 2018-09-29 | 2019-05-14 | 洛阳兴坤隧道工程机械有限公司 | A kind of collapsible variable radius tunnel inner wall water spray maintenance device |
| CN209586410U (en) * | 2019-01-28 | 2019-11-05 | 四川公路桥梁建设集团有限公司 | Major long tunnel jetting type ventilator controllable extensible device |
| JP6603848B1 (en) * | 2019-04-22 | 2019-11-13 | 青島欧昇灯具有限公司 | Aquarium light |
| CN110693146A (en) * | 2019-10-25 | 2020-01-17 | 台州椒江月回户外用品科技有限公司 | Outdoor exercises alpin-stock |
| CN210264781U (en) * | 2019-04-19 | 2020-04-07 | 平煤神马机械装备集团河南重机有限公司 | Tunnel supports erection equipment |
| CN111618339A (en) * | 2020-06-08 | 2020-09-04 | 滁州市云米工业设计有限公司 | Workpiece vertical cutting equipment for electronic product production |
| CN111960517A (en) * | 2020-08-29 | 2020-11-20 | 张雅 | Aquaculture is with input scope adjustable degassing unit |
| CN212671838U (en) * | 2020-06-22 | 2021-03-09 | 中交第二航务工程局有限公司 | Construction air pipe device suitable for extra-long tunnel in alpine region |
| CN112451013A (en) * | 2020-12-02 | 2021-03-09 | 刘雪珠 | Thoracic surgery is with opening chest ware |
| CN112727525A (en) * | 2020-12-25 | 2021-04-30 | 武汉钢铁集团宏信置业发展有限公司 | Remote control type self-rescue ventilation vehicle for coal mine |
| CN213083147U (en) * | 2020-07-22 | 2021-04-30 | 青岛德尔中恒轨道交通科技有限公司 | Recyclable and reusable air duct in vehicle made of composite board |
| CN112853802A (en) * | 2020-12-16 | 2021-05-28 | 高宇 | Corrugated board manufacturing method |
| CN213298359U (en) * | 2020-06-19 | 2021-05-28 | 四川国安宏业建筑工程有限公司 | Ventilation device for tunnel construction |
| CN112919361A (en) * | 2021-02-08 | 2021-06-08 | 河北建设集团股份有限公司 | Pipeline vertical hoisting device |
| CN213452389U (en) * | 2020-10-26 | 2021-06-15 | 常熟威逊织品输送风管系统有限公司 | Flexible air pipe |
| CN213722244U (en) * | 2020-09-10 | 2021-07-20 | 上海长征医院 | Spine vertebral plate grinding device based on mixed reality technology |
-
2021
- 2021-08-05 CN CN202110897525.XA patent/CN113607372B/en active Active
Patent Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066000A1 (en) * | 1981-06-02 | 1982-12-08 | Oldorid Kunststoff GmbH | Extension unit for a ventilation tubing |
| EP1048593A2 (en) * | 1999-04-21 | 2000-11-02 | AMSTED Industries Incorporated | Roller conveyor chain |
| JP2005146786A (en) * | 2003-11-19 | 2005-06-09 | Kajima Corp | Ventilation apparatus in tunnel |
| KR200351036Y1 (en) * | 2004-02-17 | 2004-05-22 | 전영채 | Support bar for installing cookery shelf |
| CN101761337A (en) * | 2009-12-29 | 2010-06-30 | 山东科技大学 | Air curtain sealing dedusting system on fully-mechanized excavating face |
| US20120029534A1 (en) * | 2010-07-28 | 2012-02-02 | Tyco Healthcare Group Lp | Articulating clip applier |
| CN202673362U (en) * | 2012-07-18 | 2013-01-16 | 中铁一局集团有限公司 | Telescopic high gas tunnel ventilation device |
| JP2017218850A (en) * | 2016-06-10 | 2017-12-14 | 株式会社セラ−ズ | Toilet booth |
| CN106761892A (en) * | 2017-01-25 | 2017-05-31 | 徐州徐工基础工程机械有限公司 | A kind of tunnel dust removal machine Telescopic air duct |
| CN206798985U (en) * | 2017-06-21 | 2017-12-26 | 李明 | Anticreep crane grab |
| CN208858364U (en) * | 2018-09-29 | 2019-05-14 | 洛阳兴坤隧道工程机械有限公司 | A kind of collapsible variable radius tunnel inner wall water spray maintenance device |
| CN209586410U (en) * | 2019-01-28 | 2019-11-05 | 四川公路桥梁建设集团有限公司 | Major long tunnel jetting type ventilator controllable extensible device |
| CN210264781U (en) * | 2019-04-19 | 2020-04-07 | 平煤神马机械装备集团河南重机有限公司 | Tunnel supports erection equipment |
| JP6603848B1 (en) * | 2019-04-22 | 2019-11-13 | 青島欧昇灯具有限公司 | Aquarium light |
| CN110693146A (en) * | 2019-10-25 | 2020-01-17 | 台州椒江月回户外用品科技有限公司 | Outdoor exercises alpin-stock |
| CN111618339A (en) * | 2020-06-08 | 2020-09-04 | 滁州市云米工业设计有限公司 | Workpiece vertical cutting equipment for electronic product production |
| CN213298359U (en) * | 2020-06-19 | 2021-05-28 | 四川国安宏业建筑工程有限公司 | Ventilation device for tunnel construction |
| CN212671838U (en) * | 2020-06-22 | 2021-03-09 | 中交第二航务工程局有限公司 | Construction air pipe device suitable for extra-long tunnel in alpine region |
| CN213083147U (en) * | 2020-07-22 | 2021-04-30 | 青岛德尔中恒轨道交通科技有限公司 | Recyclable and reusable air duct in vehicle made of composite board |
| CN111960517A (en) * | 2020-08-29 | 2020-11-20 | 张雅 | Aquaculture is with input scope adjustable degassing unit |
| CN213722244U (en) * | 2020-09-10 | 2021-07-20 | 上海长征医院 | Spine vertebral plate grinding device based on mixed reality technology |
| CN213452389U (en) * | 2020-10-26 | 2021-06-15 | 常熟威逊织品输送风管系统有限公司 | Flexible air pipe |
| CN112451013A (en) * | 2020-12-02 | 2021-03-09 | 刘雪珠 | Thoracic surgery is with opening chest ware |
| CN112853802A (en) * | 2020-12-16 | 2021-05-28 | 高宇 | Corrugated board manufacturing method |
| CN112727525A (en) * | 2020-12-25 | 2021-04-30 | 武汉钢铁集团宏信置业发展有限公司 | Remote control type self-rescue ventilation vehicle for coal mine |
| CN112919361A (en) * | 2021-02-08 | 2021-06-08 | 河北建设集团股份有限公司 | Pipeline vertical hoisting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113607372B (en) | 2023-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110867759B (en) | Subway construction is with high-efficient heat dissipation block terminal | |
| CN115338532A (en) | Laser cutting device and method for spiral baffle plate of shell-and-tube heat exchanger | |
| CN113607372A (en) | Long-pressure short-pumping ventilation dust fall experiment platform air compression system | |
| CN114368031A (en) | Refrigerator seal cutting device capable of preventing deformation | |
| CN203992376U (en) | A kind of stable casting machine that has suction function | |
| CN114011815A (en) | Cleaning robot for rectangular ventilation pipeline | |
| CN112090664A (en) | Diversified spraying mechanism of protective layer of metal fitting | |
| CN109066372B (en) | Power distribution cabinet capable of being rapidly cooled | |
| CN218664597U (en) | Quick exhibition paper-back edition of plastic-aluminum complex film is put | |
| CN111015233A (en) | Automatic pipe bending and cutting machine | |
| CN113510166B (en) | Internal-support extrusion type deformed pipe orifice repairing device | |
| CN114607740A (en) | Single-motor-driven reciprocating type rotating device | |
| CN202353712U (en) | Monitoring console | |
| CN208644281U (en) | Pipe cutting machine is used in a kind of production of helical lampl | |
| CN220427280U (en) | Positioning welding device for aluminum-plastic composite door and window production | |
| CN219585446U (en) | Stretching film winding device | |
| CN218491405U (en) | Lifting platform for overhauling centrifugal fan | |
| CN206426113U (en) | Robot control cabinet and industrial robot | |
| CN220479675U (en) | Wind direction control mechanism and mobile dust remover | |
| CN217003402U (en) | Air-blower outlet duct line adiabatic protector | |
| CN218976129U (en) | Multifunctional low-voltage power distribution cabinet | |
| CN217874509U (en) | Operation gas conflux discharge air pipe installation auxiliary device | |
| CN220417003U (en) | Hollow glass argon inflator | |
| CN219465237U (en) | Steel construction butt welding adjusting device | |
| CN215391481U (en) | Centralized dust removal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |