CN110593174A - Outdoor dust collecting device - Google Patents

Outdoor dust collecting device Download PDF

Info

Publication number
CN110593174A
CN110593174A CN201910750661.9A CN201910750661A CN110593174A CN 110593174 A CN110593174 A CN 110593174A CN 201910750661 A CN201910750661 A CN 201910750661A CN 110593174 A CN110593174 A CN 110593174A
Authority
CN
China
Prior art keywords
dust collecting
dust
broom
collecting plate
driver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910750661.9A
Other languages
Chinese (zh)
Inventor
杨喻婷
Original Assignee
杨喻婷
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 杨喻婷 filed Critical 杨喻婷
Priority to CN201910750661.9A priority Critical patent/CN110593174A/en
Publication of CN110593174A publication Critical patent/CN110593174A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/02Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/04Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/02Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/04Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading
    • E01H1/047Collecting apparatus characterised by the hopper or by means for unloading the hopper

Abstract

The invention provides an outdoor dust collecting device, wherein a broom driver drives a broom to move, external dust is swept onto dust collecting plates in a dust collecting cabinet along a slope body, a plurality of ejector rods are respectively connected with ejector rod drivers, the plurality of ejector rods are connected with the plurality of dust collecting plates in a one-to-one correspondence mode, the plurality of ejector rods are driven by the ejector rod drivers to extend the plurality of dust collecting plates into the dust collecting cabinet from grooves in a layered mode, so that the external dust is collected into the dust collecting cabinet, the dust collecting plates are layered, the dust is prevented in a centralized mode, and meanwhile, a dust preventing method is used for solving the technical problem of dust accumulated on a road surface.

Description

Outdoor dust collecting device
Technical Field
The invention relates to the technical field of outdoor environment treatment, in particular to an outdoor dust collecting device.
Background
At present, dust is often raised in the construction of villages in cities, rural areas, changed houses and the like, so that a lot of dust is accumulated on the road surface.
Disclosure of Invention
The invention aims to solve the technical problem of dust accumulated on a road surface and provides an outdoor dust collecting device.
The invention adopts the following technical means for solving the technical problems:
the invention provides an outdoor dust collecting device, which comprises a base, a dust collecting cabinet and a broom, wherein the base is provided with a dust collecting groove;
the base is fixedly connected with the dust collection cabinet, a slope body is arranged on the side face of the base, a notch is formed in the slope body, the notch is provided with a rotating disc connected with the base and a broom driver, the broom driver comprises a rotating disc, a connecting rod and a track, one half of the rotating disc is embedded into the base, the other half of the rotating disc is exposed outside, the track is arranged on the surface of the rotating disc exposed outside, and the broom is connected with the rotating disc through the connecting rod;
a plurality of dust collecting plates are arranged in the dust collecting cabinet and can be accommodated in a groove in the dust collecting cabinet; be equipped with the ejector pin driver in the base, the ejector pin driver is connected with a plurality of ejector pins respectively, a plurality of ejector pin one-to-one with a plurality of dust collecting plate is connected, through the ejector pin driver drive a plurality of ejector pins will a plurality of dust collecting plate is followed the recess layering extends extremely in the dust collecting cabinet.
Further, the broom comprises a broom body and a wear layer;
one end of the broom body is fixedly connected with the connecting rod, and the wear-resistant layer is arranged on the outer side surface of the broom body.
Furthermore, be equipped with the dust collecting plate track on the inside wall of collection dirt cabinet, the dust collecting plate is fixed be equipped with the lug that corresponds of dust collecting plate track, the lug embedding the dust collecting plate track, the ejector pin driver drive ejector pin rebound and drive the lug is in move on the dust collecting plate track so that the dust collecting plate removes.
Furthermore, the plurality of dust collecting plates are three dust collecting plates, and the three dust collecting plates are a first dust collecting plate, a second dust collecting plate and a third dust collecting plate;
the first dust collecting plate is provided with a first louver structure;
the second dust collecting plate is provided with a second louver structure.
Further, the bottom of the base is provided with a plurality of moving structures, and each moving structure comprises a rolling ball and a spherical groove matched with the rolling ball;
the rolling ball is arranged in the spherical groove;
the bottom of the base at the position corresponding to the spherical groove is provided with a spherical groove notch, and the part of the rolling ball is exposed to the outside through the spherical groove notch.
Furthermore, all be equipped with weight sensor in a plurality of dust collecting plate, weight sensor with the ejector pin driver is connected.
Furthermore, the insides of the ejector rods are respectively hollow, and the weight sensor is connected with the ejector rod driver through a hollow lead so as to realize the connection of the weight sensor and the ejector rod driver.
Further, the thickness of the dust collecting plate towards one end of the broom is higher than that towards one end of the inner side wall of the dust collecting cabinet, so that the dust collecting plate forms a slope.
The invention provides an outdoor dust collecting device, which has the following beneficial effects:
move about through broom driver drive broom, sweep external dust into to the dust collecting plate in the dust collecting cabinet along the slope body on, and because the ejector pin driver is connected with a plurality of ejector pins respectively, a plurality of ejector pin one-to-ones are connected with a plurality of dust collecting plate, drive a plurality of ejector pins through the ejector pin driver and extend a plurality of dust collecting plate from the recess layering to the dust collecting cabinet in, in order to realize gathering external dust to the dust collecting cabinet, and carry out the layering by a plurality of dust collecting plate, thereby realize the centralized prevention of dust, prevent the method of dust simultaneously, with the dust of solving accumulation on the road surface to technical problem.
Drawings
FIG. 1 is a schematic view showing an overall structure of an outdoor dust collecting apparatus according to an embodiment of the present invention;
FIG. 2 is a sectional view showing the construction of an embodiment of an outdoor dust collecting apparatus according to the present invention;
FIG. 3 is a sectional view showing the construction of several dust collecting plates and a pin driver in accordance with an embodiment of the outdoor dust collecting apparatus of the present invention;
FIG. 4 is a schematic view illustrating a louver structure of a dust collecting plate according to an embodiment of the outdoor dust collecting apparatus of the present invention;
fig. 5 is a schematic view showing a structure of a rolling ball at the bottom of a base in an embodiment of an outdoor dust collector of the present invention.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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.
Referring to fig. 1 to 5, there are shown schematic structural views of an outdoor dust collecting apparatus according to an embodiment of the present invention.
The invention provides an outdoor dust collecting device, which comprises a base 1, a dust collecting cabinet 2 and a broom;
the base 1 is fixedly connected with the dust collection cabinet 2, a slope body 11 is arranged on the side face of the base 1, a gap is formed in the slope body 11, a broom driver connected with the base 1 is arranged on the gap, the broom driver comprises a rotating disc 41, a connecting rod 43 and a track 42, one half of the rotating disc 41 is embedded into the other half of the base 1 and is exposed outside, the track 42 is arranged on the rotating disc 41 and is exposed outside to one surface, and the broom is connected with the rotating disc 41 through the connecting rod 43;
a plurality of dust collecting plates 3 are arranged in the dust collecting cabinet 2, and the dust collecting plates 3 can be accommodated in a groove 6 in the dust collecting cabinet 2; be equipped with ejector pin 51 driver 5 in the base 1, ejector pin 51 driver 5 is connected with a plurality of ejector pins 51 respectively, and a plurality of ejector pins 51 one-to-one is connected with a plurality of dust collecting plate 3, extends a plurality of dust collecting plate 3 from recess 6 layering to in the dust collecting cabinet 2 through a plurality of ejector pins 51 of the drive of ejector pin 51 driver 5.
Specifically, the integrated cabinet and the base 1 are fixedly connected to form a basic shape of the outdoor dust collecting device, the shape is a rectangular body, and the length-width-height ratio is 1 m: 1 m: 1m (conventional configuration is intended by those skilled in the art); the outer surface of the integrated cabinet can be provided with a water-resisting layer and a moisture-insulating layer; the outdoor dust collecting device with small volume can be placed outdoors without occupying space, and can not occupy road space while collecting dust.
The slope body 11 is designed to solve the distance between the integrated cabinet and the ground (because the base 1 will heighten the integrated cabinet), and in a further embodiment, a rotation shaft is provided at the connection between the slope body 11 and the base 1, so that the angle of the slope body 11 can be adjusted.
The broom driver is used for driving the broom, external dust is swept into the dust collecting cabinet 2 through the broom, and the broom driver specifically comprises the following components: the broom driver comprises a rotating disc 41, a connecting rod 43 and a track 42, wherein the rotating disc 41 is rotatably embedded in the outer surface of the base 1, namely, a gap is formed in the slope body 11, the rotating disc 41 is arranged at the gap, the track 42 is arranged on one surface of the rotating disc 41, the connecting rod 43 can move on the track 42, and the connecting rod 43 is connected with the broom; when the rotating disk 41 controls the broom to swing to sweep dust into the dust collecting container 2, the broom needs to move from the bottom to the top of the slope body 11, and thus the rail 42 is required to realize the movement of the broom at the upper and lower levels.
Inside the dust collecting cabinet 2 there are several layers of dust collecting plates 3 for collecting the dust, and in one embodiment the broom drive drives the broom to sweep the dust into the dust collecting plates 3; set up a plurality of collecting plate 3 in integrated cabinet inside, realize that integrated cabinet can hold more dust, can understand, the dust can form the dust pile after 2 accumulational quantums of collecting cabinet, and the dust pile receives the influence of gravity to fly away outside collecting cabinet 2 very easily this moment, because there are a plurality of collecting plate 3 to difficult formation dust pile has guaranteed that the dust in the outdoor dust collecting device can not fly away outside.
The ejector rod 51 driver 5 is respectively connected with a plurality of ejector rods 51, the plurality of ejector rods 51 are correspondingly connected with the plurality of dust collecting plates 3 one by one, and the ejector rod 51 driver 5 drives the plurality of ejector rods 51 to extend the plurality of dust collecting plates 3 from the groove 6 into the dust collecting cabinet 2 in a layered manner; to receive and expand the dust collecting plate 3.
In one embodiment, the broom includes a broom body 44 and a wear layer 45;
one end of the broom body 44 is fixedly connected with the connecting rod 43, and the wear-resistant layer 45 is arranged on the outer side surface of the broom body 44.
Specifically, since fine stones and the like exist on the outdoor road surface, in order to increase the service life of the broom, the outer surface of the broom body 44 is provided with the wear-resistant layer 45.
In one embodiment, the inner sidewall of the dust collecting cabinet 2 is provided with a dust collecting plate rail 21, the dust collecting plate 3 is fixedly provided with a projection corresponding to the dust collecting plate rail 21, the projection is embedded into the dust collecting plate rail 21, and the push rod 51 driver 5 drives the push rod 51 to move upwards to drive the projection to move on the dust collecting plate rail 21 so as to move the dust collecting plate 3.
Specifically, the principle of designing the dust collecting plate rail 21 is to realize the expansion and the installation of a plurality of dust collecting plates 3, and the plurality of dust collecting plates 3 are provided with protruding blocks corresponding to the dust collecting plate rail 21 and move on the dust collecting plate rail 21 through the protruding blocks so as to realize the movement of the dust collecting plates 3.
In one embodiment, the plurality of dust collection plates 3 are three dust collection plates 3, and the three dust collection plates 3 are a first dust collection plate 3, a second dust collection plate 3, and a third dust collection plate 3;
the first dust collecting plate 3 is provided with a first louver structure 301;
the second dust collecting plate 3 is provided with a second louver structure 302.
Specifically, the first louver structure 301 and the second louver structure 302 can prevent dust from flying out of the dust collecting cabinet 2.
In one embodiment, the bottom of the base 1 is provided with a plurality of moving structures, wherein the moving structures comprise rolling balls 13 and spherical grooves matched with the rolling balls 13;
the rolling ball 13 is arranged in the ball-shaped groove;
the bottom of the base 1 corresponding to the spherical groove is provided with a spherical groove notch, and the part of the rolling ball 13 is exposed to the outside through the spherical groove notch.
Specifically, the design of the rolling ball 13 is adopted, so that dust is not easy to influence the movement of the outdoor dust collecting device, and it can be understood that the prior art adopts a universal rolling shaft mode to realize the movement of a box body, such as a luggage case, but the dust is often easy to enter the universal rolling shaft, so that the universal rolling shaft is insensitive to movement; and by adopting the design of the rolling ball 13, dust can easily enter the spherical groove for a plurality of times, but the rolling of the rolling ball 13 can not be influenced all the time, and the mobility is always kept sensitive.
In one embodiment, a weight sensor is provided in each of the plurality of dust collecting plates 3, and the weight sensor is connected to the jack 51 driver 5.
Specifically, the weight sensor is a device for detecting the weight of the dust on the dust collecting plate 3, and when the weight sensor detects that the weight on the dust collecting plate 3 is higher than a preset value, the weight sensor sends a signal to the driver 5 of the push rod 51, and the dust collecting plate 3 is pushed up by the driver 5 of the push rod 51, so that the broom sweeps the external dust into the dust collecting plate 3 on the next layer.
In one embodiment, the interiors of the plurality of push rods 51 are respectively hollow, and a lead wire connected between the weight sensor and the push rod 51 driver 5 passes through the hollow, so that the weight sensor is connected with the push rod 51 driver 5.
In one embodiment, the thickness of the dust collection plate 3 towards the end of the broom is greater than the thickness towards the end of the inner side wall of the dust collection cabinet 2, such that the dust collection plate 3 forms a slope.
In particular, the dust collecting effect of the dust collecting plate 3 is further improved by forming the slope of the dust collecting plate 3.
In summary, the broom is driven to move by the broom driver, external dust is swept onto the dust collecting plates 3 in the dust collecting cabinet 2 along the slope body 11, the ejector rod 51 driver 5 is respectively connected with the ejector rods 51, the ejector rods 51 are connected with the dust collecting plates 3 in a one-to-one correspondence manner, the ejector rods 51 are driven by the ejector rod 51 driver 5 to extend the dust collecting plates 3 into the dust collecting cabinet 2 in a layered manner from the grooves 6, so that the external dust is collected into the dust collecting cabinet 2, and the dust collecting plates 3 are layered, so that centralized prevention of the dust is realized, and meanwhile, a method for preventing the dust is provided, so that the technical problem of dust accumulated on a road surface is solved.
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 (8)

1. An outdoor dust collecting device is characterized by comprising a base, a dust collecting cabinet and a broom;
the base is fixedly connected with the dust collection cabinet, a slope body is arranged on the side face of the base, a notch is formed in the slope body, the notch is provided with a rotating disc connected with the base and a broom driver, the broom driver comprises a rotating disc, a connecting rod and a track, one half of the rotating disc is embedded into the base, the other half of the rotating disc is exposed outside, the track is arranged on the surface of the rotating disc exposed outside, and the broom is connected with the rotating disc through the connecting rod;
a plurality of dust collecting plates are arranged in the dust collecting cabinet and can be accommodated in a groove in the dust collecting cabinet; be equipped with the ejector pin driver in the base, the ejector pin driver is connected with a plurality of ejector pins respectively, a plurality of ejector pin one-to-one with a plurality of dust collecting plate is connected, through the ejector pin driver drive a plurality of ejector pins will a plurality of dust collecting plate is followed the recess layering extends extremely in the dust collecting cabinet.
2. The outdoor dust collecting device of claim 1, wherein said broom comprises a broom body and a wear layer;
one end of the broom body is fixedly connected with the connecting rod, and the wear-resistant layer is arranged on the outer side surface of the broom body.
3. The outdoor dust collecting device of claim 1, wherein the inner sidewall of the dust collecting cabinet is provided with a dust collecting plate rail, the dust collecting plate is fixedly provided with a projection corresponding to the dust collecting plate rail, the projection is embedded into the dust collecting plate rail, and the push rod driver drives the push rod to move upwards to drive the projection to move on the dust collecting plate rail so as to move the dust collecting plate.
4. The outdoor dust collecting device of claim 1, wherein the plurality of dust collecting plates are three dust collecting plates, the three dust collecting plates are a first dust collecting plate, a second dust collecting plate and a third dust collecting plate;
the first dust collecting plate is provided with a first louver structure;
the second dust collecting plate is provided with a second louver structure.
5. The outdoor dust collector of claim 1, wherein the bottom of the base is provided with a plurality of moving structures, the moving structures comprise rolling balls and ball grooves matched with the rolling balls;
the rolling ball is arranged in the spherical groove;
the bottom of the base at the position corresponding to the spherical groove is provided with a spherical groove notch, and the part of the rolling ball is exposed to the outside through the spherical groove notch.
6. The outdoor dust collector as claimed in claim 1, wherein a weight sensor is provided in each of the plurality of dust collecting plates, and the weight sensor is connected to the rod driver.
7. The outdoor dust collector as claimed in claim 6, wherein the plurality of lifters are hollow inside, and the wires connecting the weight sensor and the lifter driver are hollow to connect the weight sensor and the lifter driver.
8. The outdoor dust collecting apparatus of claim 1, wherein the dust collecting plate has a higher thickness toward an end of the broom than toward an end of an inner sidewall of the dust collecting cabinet, so that the dust collecting plate forms a slope.
CN201910750661.9A 2019-08-14 2019-08-14 Outdoor dust collecting device Pending CN110593174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910750661.9A CN110593174A (en) 2019-08-14 2019-08-14 Outdoor dust collecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910750661.9A CN110593174A (en) 2019-08-14 2019-08-14 Outdoor dust collecting device

Publications (1)

Publication Number Publication Date
CN110593174A true CN110593174A (en) 2019-12-20

Family

ID=68854378

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910750661.9A Pending CN110593174A (en) 2019-08-14 2019-08-14 Outdoor dust collecting device

Country Status (1)

Country Link
CN (1) CN110593174A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709440A (en) * 1987-04-08 1987-12-01 Conelly Elizabeth Y Mobile clean-up device
CN101190118A (en) * 2006-11-30 2008-06-04 张帆 Garbage dustpan
CN201664279U (en) * 2009-12-10 2010-12-08 张飞 Novel dustpan
KR200462866Y1 (en) * 2012-05-31 2012-10-10 이유정 The cleaner
CN203182860U (en) * 2013-04-08 2013-09-11 朱晓彤 Multi-layer refuse hopper
CN103898851A (en) * 2012-12-28 2014-07-02 马国佐 Bionic sweeper
CN204260695U (en) * 2014-12-04 2015-04-15 陈卫青 A kind of winnowing pan
CN204570548U (en) * 2015-03-24 2015-08-19 刘国民 Light automatic sweeping machine
CN106638405A (en) * 2017-01-13 2017-05-10 泰州机电高等职业技术学校 Intelligent efficient garbage cleaning vehicle
CN106923760A (en) * 2017-03-22 2017-07-07 成都聚智工业设计有限公司 A kind of sweeper
CN107095628A (en) * 2017-06-22 2017-08-29 傅昕 A kind of clearing apparatus
CN108742394A (en) * 2018-07-03 2018-11-06 广州市荔湾区乐贤坊小学 A kind of garbage shovel
KR101972710B1 (en) * 2018-10-17 2019-04-25 울산과학대학교 산학협력단 Cleaning tool capable of working by one-hand
CN109846430A (en) * 2017-11-30 2019-06-07 徐自莲 Laborsaving dustpan shovel

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709440A (en) * 1987-04-08 1987-12-01 Conelly Elizabeth Y Mobile clean-up device
CN101190118A (en) * 2006-11-30 2008-06-04 张帆 Garbage dustpan
CN201664279U (en) * 2009-12-10 2010-12-08 张飞 Novel dustpan
KR200462866Y1 (en) * 2012-05-31 2012-10-10 이유정 The cleaner
CN103898851A (en) * 2012-12-28 2014-07-02 马国佐 Bionic sweeper
CN203182860U (en) * 2013-04-08 2013-09-11 朱晓彤 Multi-layer refuse hopper
CN204260695U (en) * 2014-12-04 2015-04-15 陈卫青 A kind of winnowing pan
CN204570548U (en) * 2015-03-24 2015-08-19 刘国民 Light automatic sweeping machine
CN106638405A (en) * 2017-01-13 2017-05-10 泰州机电高等职业技术学校 Intelligent efficient garbage cleaning vehicle
CN106923760A (en) * 2017-03-22 2017-07-07 成都聚智工业设计有限公司 A kind of sweeper
CN107095628A (en) * 2017-06-22 2017-08-29 傅昕 A kind of clearing apparatus
CN109846430A (en) * 2017-11-30 2019-06-07 徐自莲 Laborsaving dustpan shovel
CN108742394A (en) * 2018-07-03 2018-11-06 广州市荔湾区乐贤坊小学 A kind of garbage shovel
KR101972710B1 (en) * 2018-10-17 2019-04-25 울산과학대학교 산학협력단 Cleaning tool capable of working by one-hand

Similar Documents

Publication Publication Date Title
US10277163B1 (en) Magnetic parking for robotic cleaner on a solar panel
CN107581977A (en) A kind of sweeping robot of impact resistance
CN110593174A (en) Outdoor dust collecting device
CN203514894U (en) Rotary replacing-type three-dimensional garage
CN208647933U (en) A kind of orbital transformation device
CN213709060U (en) Civil engineering informatization ramming platform
CN108442792A (en) A kind of three-dimensional intelligent garage
CN105723204B (en) Falling weight deflectometer
CN101701478B (en) Simple-pendulum compound three-dimensional shock isolation support
CN208088912U (en) A kind of rotary non-motor vehicle garage apparatus
CN106884555B (en) Chair lift stereo garage
CN207032987U (en) A kind of elevating folding movable parking device
CN108843080B (en) Intelligent parking device for residential area and parking method thereof
CN102561764A (en) Wall-attached alley stacked stereo garage
CN109625652A (en) A kind of mechanical reciprocating multi-panel broken arch structure for powder material storehouse
CN204418746U (en) A kind of frame type is without dodging lugs
CN108660942A (en) A kind of large-tonnage rotator construction flexural pivot
CN106894661A (en) Electric cylinder lift landing
CN107829593A (en) A kind of deep well intelligent garage and its building method
KR100931891B1 (en) The impact sound generating device for the measurement of floor impact sound insulation
CN211635041U (en) Playground dustproof sand pit
CN106088713A (en) A kind of turning sweep of mechanically-based formula parking apparatus
CN206267591U (en) It is a kind of automatically to descend shutdown system
CN207959287U (en) The adjustable inspection shaft capping apparatus of diameter
CN209322414U (en) Cantilevered vehicle lifting

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