CN113482517A - Portable elevator for fire control and fixing device for ladder - Google Patents
Portable elevator for fire control and fixing device for ladder Download PDFInfo
- Publication number
- CN113482517A CN113482517A CN202110805991.0A CN202110805991A CN113482517A CN 113482517 A CN113482517 A CN 113482517A CN 202110805991 A CN202110805991 A CN 202110805991A CN 113482517 A CN113482517 A CN 113482517A
- Authority
- CN
- China
- Prior art keywords
- ladder
- guide column
- elevator
- frame
- portable
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the field of fire rescue equipment, in particular to a portable elevator for fire fighting and a fixing device for the elevator. The specific technical scheme is as follows: the ladder comprises a fixed frame and a ladder frame, wherein the ladder frame is hinged on the fixed frame; the ladder frame comprises two first telescopic links, all be provided with the spout on every flexible position of first telescopic link, be provided with the sucking disc on the spout, ladder frame top is provided with the spacing frame of squirt. Compared with the prior art, the portable fire-fighting elevator has the advantages of simple structure, safety, stability, convenience in installation and capability of being effectively suitable for various complex environments.
Description
Technical Field
The invention relates to the field of fire rescue equipment, in particular to a portable elevator for fire fighting and a fixing device for the elevator.
Background
With the rapid development of society, the area and population of large cities increase in a geometric progression manner, dense community groups with sections close to a central urban area are often reserved in the urban area, and the situation of internal road congestion is easy to occur in the communities due to the fact that internal roads are narrow and underground parking lots are not matched with the communities caused by the early design age. In the fire control operation, need use elevating gear to accomplish the transport of various people, thing under the fire control operational environment under the many situations, and current elevating gear is difficult to get into the site operation fast, and the majority relies on the fire engine to remove in addition, can not in time lay when the road is obstructed and has reduced staff work efficiency.
Meanwhile, old communities in urban areas are often not provided with high-pressure fire hydrants earlier due to the design age, fire fighters can neither take water to extinguish fire through a fire engine nor take water on site to extinguish fire at high-rise fire points, and the existing portable fire ladder is low in erection height and unstable, and can not safely and timely rescue lives and properties of people through a corridor or the existing portable fire ladder.
Disclosure of Invention
The invention aims to provide a portable fire-fighting elevator to solve the problems.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a fixing device for a ladder comprises a sucker, wherein the sucker comprises a shell cover and a skirt board; a flow guide column is arranged in the shell, and the flow guide column is a hollow column; the shell cover is provided with a flow inlet.
Preferably, a rotating shaft is arranged in the shell, the guide column is fixedly connected with the rotating shaft through a connecting rod, and a gap is reserved between the guide column and the shell.
Preferably, the cross section of the flow guide column is circular, and the radius of the cross section of the middle part of the flow guide column is larger than that of the upper end and the lower end of the flow guide column.
Preferably, the flow inlet is arranged along the tangential direction of the shell; the inner wall of the flow guide column is provided with a sheet-shaped bulge, and the rotating direction of the rotating shaft is opposite to the flow inlet direction of the flow inlet.
Preferably, the apron board is annularly arranged on the periphery of the shell cover, and a sponge body is arranged below the apron board.
Preferably, a baffle is arranged between the apron board and the cavernous body, the cavernous body is fixedly arranged on one side of the baffle, and the other side of the baffle is connected with the apron board through a plurality of springs and pressure sensors.
A portable elevating ladder for fire fighting comprises the fixing device for ladder and the ladder frame as claimed in any one of claims 1 to 6, wherein the ladder frame is composed of two first telescopic rods, each telescopic part of each first telescopic rod is provided with a sliding groove, a sucker is arranged on each sliding groove, and the top end of the ladder frame is provided with a water gun limiting frame.
Preferably, the sucking disc is fixed in second telescopic link one end, the second telescopic link other end articulates there is the slider, slider and spout sliding connection.
Preferably, a cleaning frame is arranged on the second telescopic rod and surrounds the apron board, the cleaning frame is rotatably fixed, at least three radial sliding grooves are formed in the fixed disc, and a cutting device driven by a motor is arranged on each radial sliding groove.
Preferably, the cleaning frame comprises a telescopic mechanism arranged along the length direction of the second telescopic rod.
The beneficial technical effects of the invention are as follows: the portable fire-fighting ladder is more stable due to the fact that the suckers can absorb the fire-fighting ladder through the outer wall surface of the building and are matched with the fixing frame to fix the ladder frame; the sucking disc transversely supports the ladder frame, so that the lifting device can complete the building and rescue of the escape ladder at a higher floor; the water gun frame arranged at the top end of the ladder frame can fix the water gun, so that fire fighters can extinguish fire in a close range and counteract the recoil of the water gun through the ladder frame and the sucking disc; meanwhile, the special sucker structure of the flow guide column and the shell cover enables the sucker to adsorb a rough wall surface, and the adaptability of the device is improved.
Therefore, compared with the prior art, the portable fire-fighting elevator and the fixing device for the elevator have the advantages of simple structure, safety, stability, convenience in installation and capability of effectively adapting to various complex environments.
Drawings
FIG. 1 is a schematic view of an overall structure of an erected state according to an embodiment of the invention;
FIG. 2 is a schematic diagram of an overall structure of a portable device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a suction state of a suction plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of an extended cleaning rack according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a suction cup according to an embodiment of the present invention;
fig. 6 is a schematic overall structure diagram of a second embodiment of the present invention.
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. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of describing the invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention.
Example one
Referring to fig. 1-5, fig. 3 is a schematic structural view of the suction cup 3 of the present embodiment in a suction state; FIG. 4 is a schematic structural diagram of the wall cleaning apparatus in the wall cleaning state of the present embodiment, in which the retractable mechanism 62 of the cleaning frame 6 is extended and the cutting device 63 is used to clean the wall; fig. 4 is a schematic view of the suction cup 3 in a cross section for easy observation. The invention discloses a portable fire-fighting elevator which comprises an elevator frame 1, wherein the elevator frame 1 consists of two first telescopic rods 21, each telescopic part of each first telescopic rod 21 is provided with a sliding chute 22, each sliding chute 22 is provided with a sucking disc 3, and the top end of the elevator frame 1 is provided with a water gun limiting frame 5. It can be understood that first telescopic link 21 can be for extending structure such as hydraulic pressure, pneumatics, gear or other telescopic links that set up power device, spout 22 and sucking disc 3 that all set up on every flexible position make sucking disc 3 can adjust 3 fixed positions of sucking disc according to actual conditions, guarantee simultaneously that every flexible position all has sucking disc 3 to fix ladder frame 1, guarantee stability.
The portable fire-fighting ladder is more stable because the suckers can adsorb through the outer wall surface of the building, the claws are arranged at the lower end of the ladder frame 1 and used for clamping the ground when the ladder frame 1 is erected and fixing the ladder frame 1 by matching with the fixing frame; the sucking disc transversely supports the ladder frame, and the lifting device can complete the building and rescue of the escape ladder on higher floors. It can be understood that the claws at the lower end of the ladder frame 2 can be replaced by other various foot parts, so that the friction force between the ladder frame 2 and the ground is increased or the lower end of the ladder frame 2 is ensured to be horizontal, and the stability of the ladder frame 2 is further improved. The setting can be fixed the squirt at the squirt frame on ladder frame top, and ground water source can lead to the floor height of catching fire through the water pipe and put out a fire, avoids leading to unable putting out a fire because of water pressure is not enough, offsets squirt recoil through the fixed of ladder frame simultaneously, increases the security of putting out a fire.
The suction cup 3 comprises a shell cover 31 and an apron plate 32; a flow guide column 33 is arranged in the shell 31, and the flow guide column 33 is a hollow column; the housing 31 is provided with an inlet 35. Under the condition that a rough wall surface exists on the outer wall surface of an old community, water flow enters the shell cover 31 through the flow inlet 35 and forms a rotational flow around the guide column 33, and negative pressure is generated at the center of the shell cover 31 of the rotational flow non-contact suction cup 3 by utilizing the characteristic of low central air pressure of a vortex phenomenon; the negative pressure that rivers formed can be when absorbent, through the fine formation enclosed environment of the sealing characteristic of water for the sucking disc can adsorb at rough wall, adapts to the outer wall of various buildings, and the applicable face is very big. The flow guide column 33 is arranged to reduce the flow area inside the shell 31, increase the rotation speed of water flow, and enhance centrifugal force so as to obtain larger negative pressure.
A rotating shaft 34 is arranged in the shell 31, the guide column 33 is fixedly connected with the rotating shaft 34 through a connecting rod, and a gap is reserved between the guide column 33 and the shell 31. The hollow cylindrical guide column 33 enables water flow to form rotational flow in the shell cover 31, rotational flow can be generated in the hollow interior of the guide column 33, upward water flow can form circulation through a gap between the guide column 33 and the shell cover 31, and internal negative pressure is increased; meanwhile, a driving mechanism is arranged to drive the rotating shaft 34, so that the flow guide column 33 rotates in the opposite direction of the external rotational flow under the drive of the rotating shaft 34 to increase the negative pressure and enhance the adsorption force.
The cross section of the flow guide column 33 is circular, and the radius of the cross section of the middle part of the flow guide column is larger than that of the upper end and the lower end of the flow guide column. The flow inlet 35 is arranged along the tangential direction of the shell cover 31; the inner wall of the diversion column 33 is provided with a sheet-shaped bulge, and the rotating direction of the rotating shaft 34 is opposite to the flow inlet direction of the flow inlet 35. The rotational flow speed generated by the flow inlet 35 arranged along the tangential direction of the shell cover 31 is maximum; the guide post 33 is similar to a barrel-shaped structure, so that the flow velocity is increased due to the reduction of the flow area when the rotational flow outside the guide post 33 moves, namely, air with higher flow velocity is introduced into the shell cover 31, and meanwhile, the rotational flow suction force is also improved due to the inverted circular truncated cone-shaped structure at the lower part of the guide post 33. When the flow guide column 33 rotates, the flaky bulges on the inner wall of the flow guide column 33 enable water flow in the hollow cavity to rise under the driving of the flaky bulges, so that the adsorption force is enhanced; it will be appreciated that the tabs may alternatively be a fan blade structure or a turbofan disposed directly within the flow post 33. Meanwhile, the hollow radius inside the flow guiding column 33 can be designed to be a circular truncated cone, so that the speed is gradually increased to enhance the adsorption force when the internal rotational flow of the hollow column rises.
The sucking disc 3 is fixed in second telescopic link 36 one end, and the other end of second telescopic link 36 articulates there is slider 23, slider 23 and spout 22 sliding connection. The apron 32 is annularly arranged on the periphery of the shell cover 31, and the sponge body 4 is arranged below the apron 32. The cavernosum 4 sets up in the shell 31 periphery, can further seal the inside rivers of shell 31, prevents that the gap from leading to pressure to leak and reduce sucking disc 3 adsorption affinity.
A baffle plate 41 is arranged between the apron plate 32 and the cavernous body 4, the cavernous body 4 is fixedly arranged on one side of the baffle plate 41, and the other side of the baffle plate 41 is connected with the apron plate 32 through a plurality of springs and pressure sensors. The second telescopic rod 36 hinged to the sliding block 23 can adjust the horizontal angle, and a horizontal device is arranged on the second telescopic rod 36 to ensure that the second telescopic rod is in a horizontal state. When sucking disc 3 and wall contact, contact pressure data is collected in the pressure sensor effect, the extension length of control second telescopic link 36, if when a plurality of position pressure were uneven simultaneously, judge that need angle of adjustment or wall have the foreign matter to need the clearance.
Meanwhile, the old residential area often has more plants such as vines or other sundries on the outer wall surface, and needs to be cleaned before the sucker 3 adsorbs the plants. As shown in fig. 2-3, the second telescopic rod 36 is provided with a cleaning frame 6, the cleaning frame 6 surrounds the outer side of the skirt board 32, the cleaning frame 6 is provided with a rotatable fixing disc 61, the fixing disc 61 is provided with at least three radial sliding grooves, and the radial sliding grooves are provided with cutting devices 63 driven by a motor. The cleaning frame 6 comprises a telescopic mechanism 62 arranged along the length direction of the second telescopic rod 36. The cleaning frame 6 surrounds the apron board 32, the cutting device 63 adjusts the distance between the circle centers of the cutting device and the fixed disc 61 through the radial sliding grooves, the fixed disc 61 rotates under the driving of the power device, and the cutting device 63 is matched with the adjusting positions of the radial sliding grooves to clean the to-be-adsorbed area of the sucker 3 under the driving of the fixed disc 61. It is conceivable that the distance between the centers of the cutting devices 63 relative to the fixed disk 61 can be adjusted separately, which facilitates efficient cleaning. The radial sliding groove and the cutting device 63 can be driven by a gear rack structure to extend and retract.
Further, the cutting device 63 may be a roller-type structure, which includes a roller and a cutting blade fixed on the roller; it will be appreciated that the direction of rotation of the rollers is such that debris such as vines in the area to be cleaned is cut and peeled off from the centre to the outside. During and after the operation of the cutting device 63, the water is continuously supplied to the water inlet 35 to flush away the cleaning impurities. The fixed disk 61 can rotate by arranging an annular sliding groove on the fixed disk 61, the telescopic mechanism is in sliding connection with the annular sliding groove, the power device drives the fixed disk 61 to rotate, and the telescopic mechanism can be in rotary sleeve connection with the cleaning frame 6 or the cleaning frame 6 is in rotary sleeve connection with the second telescopic rod 36 to rotate the fixed disk 61.
As shown in fig. 2, in the portable state, all the telescopic parts are contracted and the second telescopic link 36 is adjusted to be parallel to the first telescopic link 21. When rescue work is needed, a rescuer only needs to fix the fixing seat 1 on the ground, erect the fire fighting water gun on the water gun limiting frame 5, and erect the rescue ladder by adjusting the length and the angle of the telescopic ladder frame 1. The second telescopic rod 36 adjusts the telescopic distance through the pressure sensing device, and adjusts the hinged angle of the second telescopic rod 36 and the sliding block 23 according to the level device to ensure that the second telescopic rod 36 is level. When tendril or other debris are in treating the adsorption site, the flexible wall that leaves of second telescopic link 36, clearance frame 6 stretches out simultaneously, clears up through cutting device 63. Compared with the prior art, the lifting device has stronger stability and wider application range, and can clean the outer wall surface in time to facilitate the erection of the fire ladder.
Example two
The sucker 3 of the fixing device for the ladder is arranged on one side of the fire-fighting aerial ladder through the telescopic device; the difference from the first embodiment is that the second expansion link 36 is hinged on the connecting block 71, and the connecting block 71 is slidably connected with the connecting chute 73 on the connecting plate 72; the opposite side that connecting plate 72 was provided with connecting spout 73 is provided with the recess, and threaded through-hole 74 has evenly been seted up on the recess groove edge, and connecting plate 72 passes through the recess and the aerial ladder joint of fire control passes through threaded through-hole 74 with the bolt is fixed. An expansion link or other power mechanism can be arranged in the connecting sliding groove 73 to drive the connecting block 71 to move in the connecting sliding groove 73.
Claims (10)
1. The utility model provides a fixing device for ladder which characterized in that: the suction cup comprises a suction cup (3), wherein the suction cup (3) comprises a shell cover (31) and an apron board (32); a flow guide column (33) is arranged in the shell cover (31), and the flow guide column (33) is a hollow column; the shell cover (31) is provided with a flow inlet (35).
2. A ladder fastening device as defined in claim 1, further comprising: a rotating shaft (34) is arranged in the shell cover (31), the guide column (33) is fixedly connected with the rotating shaft (34) through a connecting rod, and a gap is reserved between the guide column (33) and the shell cover (31).
3. A ladder fastening device as defined in claim 2, further comprising: the cross section of the flow guide column (33) is circular, and the radius of the cross section of the middle part of the flow guide column is larger than that of the upper end and the lower end of the flow guide column.
4. A ladder fastening device as defined in claim 3, characterized in that: the flow inlet direction of the flow inlet (35) is arranged along the tangential direction of the shell cover (31); the inner wall of the flow guide column (33) is provided with a sheet-shaped bulge, and the rotating direction of the rotating shaft (34) is opposite to the flow inlet direction of the flow inlet (35).
5. A ladder fastening device as defined in claim 4, further comprising: the apron board (32) is annularly arranged on the periphery of the shell cover (31), and the sponge body (4) is arranged below the apron board (32).
6. A ladder fastening device as defined in claim 5, characterized in that: a baffle (41) is arranged between the apron board (32) and the sponge body (4), the sponge body (4) is fixedly arranged on one side of the baffle (41), and the other side of the baffle is connected with the apron board (32) through a plurality of springs and pressure sensors.
7. The utility model provides a portable companion ladder is used in fire control which characterized in that: the ladder fixing device and the ladder rack (1) as claimed in any one of claims 1 to 6, wherein the ladder rack (1) is composed of two first telescopic rods (21), each telescopic part of each first telescopic rod (21) is provided with a sliding groove (22), the suction cups (3) are arranged on the sliding grooves (22), and the top end of the ladder rack (1) is provided with a water gun limiting frame (5).
Portable elevator portable elevator
8. A portable fire fighting elevator as defined in claim 7, characterized in that: the sucking disc (3) is fixed in second telescopic link (36) one end, second telescopic link (36) other end articulates there is slider (23), slider (23) and spout (22) sliding connection.
9. Portable elevator the portable elevator for fire fighting as defined in claim 8, characterized in that: be equipped with clearance frame (6) on second telescopic link (36), clearance frame (6) encircle in skirtboard (32) outside, be provided with rotatable fixed disk (61) on clearance frame (6), be provided with at least three radial spout on fixed disk (61), be provided with cutting device (63) by the motor drive on the radial spout.
10. A portable fire fighting elevator as defined in claim 9, characterized in that: the cleaning frame (6) comprises a telescopic mechanism (62) arranged along the length direction of the second telescopic rod (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110805991.0A CN113482517A (en) | 2021-07-16 | 2021-07-16 | Portable elevator for fire control and fixing device for ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110805991.0A CN113482517A (en) | 2021-07-16 | 2021-07-16 | Portable elevator for fire control and fixing device for ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113482517A true CN113482517A (en) | 2021-10-08 |
Family
ID=77939820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110805991.0A Withdrawn CN113482517A (en) | 2021-07-16 | 2021-07-16 | Portable elevator for fire control and fixing device for ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113482517A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264844A (en) * | 2008-04-24 | 2008-09-17 | 上海交通大学 | Vortex type non-contact suction cup |
| CN205408726U (en) * | 2016-03-17 | 2016-08-03 | 云南悦冉农林发展有限公司 | Modular modeling tool is pruned to horticulture |
| CN107371841A (en) * | 2017-08-28 | 2017-11-24 | 华南理工大学 | A kind of pruning machine suitable for wall surface |
| CN210564331U (en) * | 2019-05-24 | 2020-05-19 | 中建八局第二建设有限公司 | Steel structure escalator device |
| CN112388660A (en) * | 2019-08-19 | 2021-02-23 | 浙江大学 | Adsorption device |
| CN212690569U (en) * | 2020-07-08 | 2021-03-12 | 许翌炜 | Centrifugal cyclone suction cup |
-
2021
- 2021-07-16 CN CN202110805991.0A patent/CN113482517A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264844A (en) * | 2008-04-24 | 2008-09-17 | 上海交通大学 | Vortex type non-contact suction cup |
| CN205408726U (en) * | 2016-03-17 | 2016-08-03 | 云南悦冉农林发展有限公司 | Modular modeling tool is pruned to horticulture |
| CN107371841A (en) * | 2017-08-28 | 2017-11-24 | 华南理工大学 | A kind of pruning machine suitable for wall surface |
| CN210564331U (en) * | 2019-05-24 | 2020-05-19 | 中建八局第二建设有限公司 | Steel structure escalator device |
| CN112388660A (en) * | 2019-08-19 | 2021-02-23 | 浙江大学 | Adsorption device |
| CN212690569U (en) * | 2020-07-08 | 2021-03-12 | 许翌炜 | Centrifugal cyclone suction cup |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111042265B (en) | Rainwater recycling and filtering system | |
| CN106901645A (en) | A kind of robot for outside Wall Cleaning | |
| CN112482391B (en) | Inner supporting structure for foundation pit | |
| CN107268435A (en) | It is a kind of to be easy to dredging pipeline to block and the bridge with water-proof function | |
| CN113482517A (en) | Portable elevator for fire control and fixing device for ladder | |
| CN113693480B (en) | Self-propelled household dust collector | |
| CN211312694U (en) | Lifting mechanism for underground fire hydrant | |
| CN215585823U (en) | Dust device for construction | |
| CN210564638U (en) | Coal mine gas safety equipment | |
| CN110820744B (en) | Residue soil suction machine in pile hole and residue soil suction method | |
| CN114719964A (en) | Noise monitoring equipment for ground disaster construction | |
| CN110029642B (en) | Rotation type surface of water fallen leaves clearing device | |
| CN112376683B (en) | Jam cleaning device in circular sewer for municipal works | |
| CN211898135U (en) | Civil engineering construction waste collection device | |
| CN113957950A (en) | Building structure for recycling rainwater | |
| CN210289674U (en) | Wet dust removal system for coal mine gas pumping drainage drilling | |
| CN208551667U (en) | A kind of glass curtain wall cleaning systems that can be traversing | |
| CN218093114U (en) | Ventilation dust-removing device | |
| CN212103820U (en) | Foundation ditch dust device for municipal building engineering | |
| CN220505092U (en) | Tunnel smoke and dust discharging device | |
| CN218521906U (en) | Filter type drainage pipe with prevent stifled clearance structure | |
| CN217950440U (en) | Ventilation and dust fall device for construction tunnel portal | |
| CN215166272U (en) | Drainage device for constructional engineering | |
| CN214696506U (en) | Green building drainage device | |
| CN218346062U (en) | Drainage device for bridge construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Jiguo Inventor after: Liu Yu Inventor after: Chen Liangcai Inventor after: Liu Xuhang Inventor after: Zhang Pengju Inventor after: Wan Jinbo Inventor before: Zhao Jiguo Inventor before: Liu Yu Inventor before: Chen Liangcai Inventor before: Liu Xuhang Inventor before: Zhang Pengju Inventor before: Wan Jinbo |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211008 |