CN112856169A - Portable building engineering detection equipment - Google Patents
Portable building engineering detection equipment Download PDFInfo
- Publication number
- CN112856169A CN112856169A CN202110026666.4A CN202110026666A CN112856169A CN 112856169 A CN112856169 A CN 112856169A CN 202110026666 A CN202110026666 A CN 202110026666A CN 112856169 A CN112856169 A CN 112856169A
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- main rod
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000005192 partition Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The invention relates to the technical field of detection equipment, in particular to portable building engineering detection equipment which comprises a sliding barrel, wherein a guide rod is sleeved in the middle of the sliding barrel, a hinged ball body is fixedly sleeved outside the sliding barrel, a hinged shell is movably sleeved outside the hinged ball body, three main rods are uniformly and annularly arranged on the hinged shell, one end of each main rod extends into a plate groove formed in the hinged shell, a central shaft penetrates through the end part of each main rod, the central shaft is fixed on the hinged shell, and a control shaft penetrates through the end part of the other end of each main rod.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to portable constructional engineering detection equipment.
Background
When the detection equipment among the prior art carries out the during operation, places the detecting instrument appointed building dead angle department through the staff is manual, and the process is loaded down with trivial details, and the security is low, if extend the detecting equipment down fall into sewage pipes, just need be extraordinarily careful, can not make instrument and pipeline inner wall contact on the one hand, cause the pollution of detecting instrument, on the other hand needs the unsettled appointed position of control detecting instrument.
If the invention can provide a detection auxiliary bracket to assist the movement and positioning of a detection instrument, the problem can be solved, and therefore, the invention provides portable building engineering detection equipment.
Disclosure of Invention
The present invention is directed to a portable construction engineering detection device to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a portable building engineering detection device comprises a sliding barrel, wherein a guide rod is sleeved at the middle part of the sliding barrel, a hinged ball body is sleeved at the outer part of the sliding barrel, a hinged shell is sleeved at the outer part of the hinged ball body in a movable mode, three main rods are uniformly and annularly arranged on the hinged shell, one end of each main rod extends into a plate groove formed in the hinged shell, a central shaft penetrates through the end part of each main rod, the central shaft is fixed on the hinged shell, a control shaft penetrates through the end part of the other end of each main rod, an auxiliary rod is fixedly connected to one side of the control shaft, one end of each auxiliary rod protrudes out of the corresponding main rod, a blocking block is fixedly connected to the other side of the control shaft, one end of each blocking block is in contact with a spring piece, the blocking block and the spring piece are arranged in the main rods, an arc-shaped plate is fixedly connected to one side of the auxiliary rod, the arc-shaped plate penetrates through plate holes formed in the main rods, one side of the arc-shaped pipe cavity is communicated with a plurality of uniformly distributed pressure holes, one end of each pressure hole is connected with the outer arc surface of the arc-shaped plate, an air plate is arranged in each pressure hole, a clamping column penetrates through the end part of one end of the air plate, one side of the air plate is contacted with the pressure column, one end, far away from the air plate, of each pressure column is contacted with a spring, a long plate hole is formed in the main rod, one end of each long plate hole is connected with the arc-shaped plate, a plurality of uniformly distributed air guide holes are formed in the end part of the main rod in the hinged shell and are distributed in an arc shape, the other end of each long plate hole is communicated with the air guide holes, an air valve is arranged in each air guide hole, an annular pipe cavity is arranged in the hinged shell, a hose is fixedly connected to one side of the hinged shell, one end of the hose extends into the annular pipe cavity, a first hard pipe and a second pipe are embedded into the hinged shell, one end of the first hard pipe is, one end of the first hard tube extends into the annular tube cavity, and the other end of the first hard tube is communicated with the air guide hole.
Preferably, the air valve comprises a Y-shaped frame, a partition plate and a sealing ball, the partition plate is square and provided with a through hole in the middle, the Y-shaped frame is arranged in the through hole of the partition plate, the sealing ball is fixedly connected to the end of one end of the Y-shaped frame, and the partition plate is fixed on the inner wall of the air guide hole.
Preferably, the shape of the main rod is a cylinder one side integrally connected prism, the middle part of the cylinder of the main rod is movably sleeved with the control shaft, the auxiliary rod penetrates through a plate hole formed in the cylinder of the main rod, the spring piece is in a wave plate shape, and the blocking block and the spring piece are arranged in an arc-shaped column groove formed in the inner wall of the cylinder of the main rod.
Preferably, the pressure column is cylindrical, the pressure column and the spring are movably sleeved in a cylindrical groove formed in the arc plate, a protruding block is fixed on the inner wall of the cylindrical groove of the arc plate, and the protruding block partially extends into a sliding groove formed in one side wall of the pressure column.
Preferably, the air plate is in the shape of a cylinder with one side integrally connected with a strip plate, the middle of the cylinder of the air plate is movably sleeved with a clamping column, and the end part of the clamping column is fixed on the inner wall of the pressure hole.
Preferably, the pressure hole is in a shape that one end of a triangular groove is communicated with the straight plate groove, the triangular groove of the pressure hole is connected with the outer arc surface of the arc plate, one end of the straight plate groove of the pressure hole extends into the arc tube cavity, and the wind plate is arranged in the straight plate groove of the pressure hole.
Compared with the prior art, the invention has the beneficial effects that:
1. the structural design of the invention realizes the effect of fast unfolding of the whole support frame, and workers manually control the whole detection equipment to hover above a detection point, so that the support frame can be unfolded fast, the detection work can be carried out, and the detection efficiency and quality are improved;
2. after the gas injection is stopped, the main rod naturally droops due to gravity, and the auxiliary rod rapidly rotates until the auxiliary rod is attached to the main rod in the process, so that the folding and folding work of the support frame is realized, and the portable effect of the detection equipment is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic view of the main rod structure.
In the figure: the device comprises a sliding barrel 1, a guide rod 2, a hinged ball 3, a hinged shell 4, a main rod 5, a central shaft 6, a control shaft 7, an auxiliary rod 8, a blocking block 9, a spring piece 10, an arc plate 11, an arc tube cavity 12, a pressure hole 13, a wind plate 14, a blocking column 15, a pressure column 16, a spring 17, a long plate hole 18, an air guide hole 19, an air valve 20, an annular tube cavity 21, a hose 22, a first hard tube 23, a second hard tube 24, a Y-shaped frame 25, a partition plate 26 and a sealing ball 27.
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 obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a portable building engineering detection device comprises a sliding barrel 1, a guide rod 2 is sleeved in the middle of the sliding barrel 1, a hinged ball 3 is fixedly sleeved outside the sliding barrel 1, a hinged shell 4 is movably sleeved outside the hinged ball 3, three main rods 5 are uniformly and annularly arranged on the hinged shell 4, one end of each main rod 5 extends into a plate groove formed in the hinged shell 4, a central shaft 6 penetrates through the end portion of each main rod 5, the central shaft 6 is fixed on the hinged shell 4, a control shaft 7 penetrates through the end portion of the other end of each main rod 5, an auxiliary rod 8 is fixedly connected to one side of the control shaft 7, one end of each auxiliary rod 8 protrudes out of the main rod 5, a blocking block 9 is fixedly connected to the other side of the control shaft 7, one end of the blocking block 9 is in contact with a spring piece 10, the blocking block 9 and the spring piece 10 are arranged in the main rods 5, an arc-shaped plate 11 is fixedly connected to one side of the auxiliary rod 8, and the arc, an arc-shaped tube cavity 12 and a pressure hole 13 are arranged in an arc-shaped plate 11, one end of the arc-shaped tube cavity 12 extends to the outside of the arc-shaped plate 11, one side of the arc-shaped tube cavity 12 is communicated with a plurality of pressure holes 13 which are uniformly distributed, one end of each pressure hole 13 is connected with the outer arc surface of the arc-shaped plate 11, an air plate 14 is arranged in each pressure hole 13, a clamping column 15 penetrates through the end part of one end of each air plate 14, one side of each air plate 14 is contacted with a pressure column 16, one end, far away from the air plate 14, of each pressure column 16 is contacted with a spring 17, a long plate hole 18 is arranged in each main rod 5, one end of each long plate hole 18 is connected with the arc-shaped plate 11, a plurality of air guide holes 19 which are uniformly distributed are arranged at the end part of each main rod 5 in a hinged shell 4, the plurality of the air guide holes 19 are distributed in an arc shape, the other ends of the, one end of a hose 22 extends into the annular tube cavity 21, a first hard tube 23 and a second hard tube 24 are embedded in the hinged shell 4, one side of the first hard tube 23 is communicated with the second hard tube 24, one end of the second hard tube 24 extends into a plate groove on the hinged shell 4, one end of the first hard tube 23 extends into the annular tube cavity 21, the other end of the first hard tube 23 is communicated with the air guide hole 19, referring to fig. 1, the guide rod 2 can slide up and down in the sliding cylinder 1, the hinged ball 3 is hinged with the hinged shell 4, rotation of the guide rod 2 is further achieved, a detection instrument in the prior art is fixed at the lower end of the guide rod 2, a worker manually controls the upper end of the guide rod 2, and further sends the detection instrument into a dead corner of a building, detection is achieved, and one end of the hose 22 is connected with an air injection mechanism in the prior art.
The air valve 20 comprises a Y-shaped frame 25, a partition plate 26 and a sealing ball 27, the partition plate 26 is square plate-shaped, a through hole is formed in the middle of the plate body, the Y-shaped frame 25 is arranged in the through hole of the partition plate 26, the sealing ball 27 is fixedly connected to one end of the Y-shaped frame 25, and the partition plate 26 is fixed on the inner wall of the air guide hole 19.
The shape of the main rod 5 is a cylinder one side integrally connected prism, the control shaft 7 is movably sleeved in the middle of the cylinder of the main rod 5, the auxiliary rod 8 penetrates through a plate hole formed in the cylinder of the main rod 5, the spring piece 10 is in a wave plate shape, and the intercepting block 9 and the spring piece 10 are arranged in an arc-shaped column groove formed in the inner wall of the cylinder of the main rod 5.
The pressure column 16 is cylindrical, the pressure column 16 and the spring 17 are movably sleeved in a cylindrical groove formed in the arc plate 11, a protruding block is fixed on the inner wall of the cylindrical groove of the arc plate 11, and part of the protruding block extends into a sliding groove formed in one side wall of the pressure column 16.
The shape of the wind plate 14 is that one side of a cylinder is integrally connected with a strip plate, the middle part of the cylinder of the wind plate 14 is movably sleeved with a clamping column 15, and the end part of the clamping column 15 is fixed on the inner wall of the pressure hole 13.
The pressure hole 13 is in a shape that one end of a triangular groove is communicated with the straight plate groove, the triangular groove of the pressure hole 13 is connected with the outer arc surface of the arc plate 11, one end of the straight plate groove of the pressure hole 13 extends into the arc tube cavity 12, and the wind plate 14 is arranged in the straight plate groove of the pressure hole 13.
The working principle is as follows: the invention realizes the quick unfolding effect of the support frame, further assists the detector fixed at the bottom of the guide rod 2 to quickly detect, injects gas into the hose 22, the gas is expanded and dispersed through the annular tube cavity 21, the gas flow is divided through the first hard tube 23 and the second hard tube 24, one part of the fluid is injected into the long plate hole 18 through the gas guide hole 19, the gas valve 20 has the one-way flow guide effect, namely, only the gas flow pushes up the sealing ball 27 and can pass through the gap between the partition plate 26 and the sealing ball 27, so that the gas in the long plate hole 18 can only leak through the auxiliary rod 8, specifically, the gas flow is injected into the pressure hole 13, the fluid is pushed against the inner wall inclined plane of the pressure hole 13 to generate a certain amount of fluid load, the fluid load forces the arc plate 11 to move, the arc plate 11 to rotate to drive the auxiliary rod 8, the auxiliary rod 8 rotates, the rebound influence of the spring leaf 10 is overcome in the process, and the auxiliary, the unfolding effect of the auxiliary rod 8 is achieved, the other part of air flow is blown out through the second hard pipe 24, the main rod 5 is forced to rotate by the air flow, the unfolding effect of the main rod 5 is achieved, and the whole support frame is unfolded quickly through air injection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A portable construction engineering detection device, comprising a slide cartridge (1), characterized in that: the middle part of the sliding barrel (1) is sleeved with a guide rod (2), the outer part of the sliding barrel (1) is fixedly sleeved with a hinged ball body (3), the outer part of the hinged ball body (3) is movably sleeved with a hinged shell (4), three main rods (5) are uniformly and annularly arranged on the hinged shell (4), one end of each main rod (5) extends into a plate groove formed in the hinged shell (4), a central shaft (6) penetrates through the end part of each main rod (5), the central shaft (6) is fixed on the hinged shell (4), a control shaft (7) penetrates through the end part of the other end of each main rod (5), one side of each control shaft (7) is fixedly connected with an auxiliary rod (8), one end of each auxiliary rod (8) protrudes out of the main rod (5), the other side of each control shaft (7) is fixedly connected with an interception block (9), one end of each interception block (9) is contacted with a spring leaf (10), and the interception blocks (9) and the main rods (10) are arranged in the, one side of the auxiliary rod (8) is fixedly connected with an arc-shaped plate (11), the arc-shaped plate (11) penetrates through a plate hole formed in the main rod (5), an arc-shaped pipe cavity (12) and pressure holes (13) are formed in the arc-shaped plate (11), one end of the arc-shaped pipe cavity (12) extends to the outside of the arc-shaped plate (11), one side of the arc-shaped pipe cavity (12) is communicated with the pressure holes (13) which are uniformly distributed, one end of each pressure hole (13) is connected with the outer arc surface of the arc-shaped plate (11), an air plate (14) is arranged in each pressure hole (13), one end of each air plate (14) penetrates through a clamping column (15), one side of each air plate (14) is contacted with a pressure column (16), one end, far away from each air plate (14), of each pressure column (16) is contacted with a spring (17), the main rod (5) is provided with a long plate hole (18), and one end of each long plate hole, the end part of the main rod (5) in the hinged shell (4) is provided with a plurality of air guide holes (19) which are evenly distributed, a plurality of air guide holes (19) are distributed in an arc shape, the other end of the long plate hole (18) is communicated with the air guide holes (19), an air valve (20) is arranged in the air guide holes (19), an annular tube cavity (21) is arranged in the middle ring of the hinged shell (4), a hose (22) is fixedly connected to one side of the hinged shell (4), one end of the hose (22) extends into the annular tube cavity (21), a first hard pipe (23) and a second hard pipe (24) are embedded in the hinged shell (4), one side of the first hard pipe (23) is communicated with the second hard pipe (24), one end of the second hard pipe (24) extends into a plate groove on the hinged shell (4), one end of the first hard pipe (23) extends into the annular pipe cavity (21), and the other end of the first hard pipe (23) is communicated with the air guide hole (19).
2. A portable construction work detection apparatus according to claim 1, wherein: the air valve (20) comprises a Y-shaped frame (25), a partition plate (26) and a sealing ball (27), the partition plate (26) is square plate-shaped, a through hole is formed in the middle of a plate body, the Y-shaped frame (25) is arranged in the through hole of the partition plate (26), the sealing ball (27) is fixedly connected to the end portion of one end of the Y-shaped frame (25), and the partition plate (26) is fixed on the inner wall of the air guide hole (19).
3. A portable construction work detection apparatus according to claim 1, wherein: the shape of the main rod (5) is a cylinder one side integrally connected prism, a control shaft (7) is movably sleeved in the middle of a cylinder of the main rod (5), an auxiliary rod (8) penetrates through a hole formed in the cylinder of the main rod (5), the spring piece (10) is in a wave plate shape, and the blocking block (9) and the spring piece (10) are arranged in an arc-shaped column groove formed in the inner wall of the cylinder of the main rod (5).
4. A portable construction work detection apparatus according to claim 1, wherein: the pressure column (16) is cylindrical, the pressure column (16) and the spring (17) are movably sleeved in a cylindrical groove formed in the arc plate (11), a protruding block is fixed on the inner wall of the cylindrical groove of the arc plate (11), and the protruding block partially extends into a sliding groove formed in one side wall of the pressure column (16).
5. A portable construction work detection apparatus according to claim 1, wherein: the shape of the wind plate (14) is that a long strip plate is integrally connected with one side of a cylinder, a clamping column (15) is movably sleeved in the middle of the cylinder of the wind plate (14), and the end part of the clamping column (15) is fixed on the inner wall of the pressure hole (13).
6. A portable construction work detection apparatus according to claim 1, wherein: the shape of pressure port (13) is triangle groove one end intercommunication straight plate groove, and the triangle groove of pressure port (13) and the extrados of arc (11) are connected, and the straight plate groove one end of pressure port (13) extends to in arc lumen (12), and aerofoil (14) set up in the straight plate groove of pressure port (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110026666.4A CN112856169A (en) | 2021-01-09 | 2021-01-09 | Portable building engineering detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110026666.4A CN112856169A (en) | 2021-01-09 | 2021-01-09 | Portable building engineering detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112856169A true CN112856169A (en) | 2021-05-28 |
Family
ID=76001954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110026666.4A Pending CN112856169A (en) | 2021-01-09 | 2021-01-09 | Portable building engineering detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112856169A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3794283A (en) * | 1972-12-19 | 1974-02-26 | H Furno | Extensible frame |
| US4402481A (en) * | 1981-02-27 | 1983-09-06 | Mitutoyo Mfg. Co., Ltd. | Articulated device for service component |
| CN205534925U (en) * | 2016-04-15 | 2016-08-31 | 浙江奇咖商贸有限公司 | Moisturizing is tumbler support for appearance |
| CN110440117A (en) * | 2019-08-24 | 2019-11-12 | 高平 | A kind of construction engineering cost field surveys device based on BIM technology |
| CN209622406U (en) * | 2019-03-18 | 2019-11-12 | 潘楠 | A kind of construction engineering cost plotting board |
| CN210069382U (en) * | 2019-05-24 | 2020-02-14 | 山西省煤炭地质水文勘查研究院 | Novel hydrogeological exploration RTK equipment fixed baseplate |
| CN211600111U (en) * | 2020-01-18 | 2020-09-29 | 徐景 | Surveying instrument support frame for engineering surveying and mapping |
| CN111715008A (en) * | 2020-07-06 | 2020-09-29 | 孟娜妮 | Raise dust processing apparatus for construction |
| CN112109136A (en) * | 2020-09-10 | 2020-12-22 | 安福风起科技有限公司 | Net forming mechanism for non-woven fabric manufacturing |
-
2021
- 2021-01-09 CN CN202110026666.4A patent/CN112856169A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3794283A (en) * | 1972-12-19 | 1974-02-26 | H Furno | Extensible frame |
| US4402481A (en) * | 1981-02-27 | 1983-09-06 | Mitutoyo Mfg. Co., Ltd. | Articulated device for service component |
| CN205534925U (en) * | 2016-04-15 | 2016-08-31 | 浙江奇咖商贸有限公司 | Moisturizing is tumbler support for appearance |
| CN209622406U (en) * | 2019-03-18 | 2019-11-12 | 潘楠 | A kind of construction engineering cost plotting board |
| CN210069382U (en) * | 2019-05-24 | 2020-02-14 | 山西省煤炭地质水文勘查研究院 | Novel hydrogeological exploration RTK equipment fixed baseplate |
| CN110440117A (en) * | 2019-08-24 | 2019-11-12 | 高平 | A kind of construction engineering cost field surveys device based on BIM technology |
| CN211600111U (en) * | 2020-01-18 | 2020-09-29 | 徐景 | Surveying instrument support frame for engineering surveying and mapping |
| CN111715008A (en) * | 2020-07-06 | 2020-09-29 | 孟娜妮 | Raise dust processing apparatus for construction |
| CN112109136A (en) * | 2020-09-10 | 2020-12-22 | 安福风起科技有限公司 | Net forming mechanism for non-woven fabric manufacturing |
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Effective date of abandoning: 20230228 |