CN211524584U - Civil air defense door for basement - Google Patents
Civil air defense door for basement Download PDFInfo
- Publication number
- CN211524584U CN211524584U CN202020069200.3U CN202020069200U CN211524584U CN 211524584 U CN211524584 U CN 211524584U CN 202020069200 U CN202020069200 U CN 202020069200U CN 211524584 U CN211524584 U CN 211524584U
- Authority
- CN
- China
- Prior art keywords
- door body
- rotating
- door
- air defense
- bevel gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses a basement is with people's air defense door relates to the technical field of people's air defense equipment, including the door body to and the blocking device of setting in door body one side, one side that the door body was provided with blocking device is provided with cleaning device, cleaning device includes the mounting panel and sets up the brush hair above that along mounting panel length direction, the mounting panel sets up along door body width direction, the brush hair contacts with the door body, just the mounting panel is slided with the door body and is connected, still be provided with the drive mounting panel on the door body and do the drive assembly who is close to or keeps away from ground along door body direction of height. When the civil air defense door is to be cleaned, the worker starts the driving assembly, so that the mounting plate is driven to move close to or far away from the ground along the height direction of the door body, the brush hair arranged on the mounting plate can clean dust and rust attached to the door body, the worker does not need to climb to the high position of the civil air defense door to clean the upper part of the civil air defense door, and the worker can clean the civil air defense door conveniently, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a technical field of civil air defense equipment, more specifically say, it relates to a basement is with people's air defense door.
Background
People's air defense is also called civil defense, which is an international common word and is a public mobilization and organization for government, and takes measures of air attack prevention, disaster resistance and relief, implements rescue actions, and prevents and lightens the activities of disaster damage, and the people's air defense door belongs to civil defense protection equipment and needs to meet the requirements of protection and sealing functions.
As shown in fig. 1, the existing civil air defense security door includes a door frame 100 and a door body 200 hinged to the door frame 100, a locking device 300 is disposed on the door body 200, the locking device 300 includes a locking mechanism 310 and a driving mechanism 320, the locking mechanism 310 includes a first connecting rod 311, a second connecting rod 312, a third connecting rod 313, a locking rod 314, and a locking sleeve 315 fixedly disposed on the door body 200 and slidably connected with the locking rod 314, so as to limit the position of the locking rod 314; the door frame 100 is provided with an insertion hole (not shown) for inserting and matching with the locking rod 314 to fix the door body 200; the first connecting rod 311 is rotatably disposed on the door body 200 and is rotatably connected to the end portions of the second connecting rod 312 and the third connecting rod 313, the two locking rods 314 are respectively rotatably connected to the other ends of the second connecting rod 312 and the third connecting rod 313, and the driving mechanism 320 is connected to the first connecting rod 311; the driving mechanism 320 includes a rotating screw 321 rotatably connected to the door body 200, a connecting block 322 threadedly connected to the screw of the rotating rod 620, and a fourth connecting rod 323 rotatably connected to the connecting block 322 at one end and rotatably connected to the other end of the first connecting rod 311, and the door body 200 is further provided with a rotating piece 324 for driving the rotating screw 321 to rotate.
The above prior art solutions have the following drawbacks: because present people's air defense door is installed in the underground more, and the environment is dark moist and ventilate relatively poorly, leads to door lock, connecting piece etc. on the people's air defense door very easily to rust and pile up the dust, consequently need regularly to clear up the dust and the rust of piling up on its surface, prevents the existence of these dust and rust, causes people's air defense door's blocking device's flexibility to descend, influences people's air defense door's use. The existing cleaning method generally adopts manual cleaning, but the existing civil air defense door is large in size and inconvenient for workers to clean, so that the working efficiency of workers for cleaning the civil air defense door is low.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a basement is with people's air defense door, through being provided with cleaning device, the workman of being convenient for cleans people's air defense door, improves work efficiency.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a basement is with people's air defense door, includes the door body to and the blocking device of setting in door body one side, one side that the door body was provided with blocking device is provided with cleaning device, cleaning device includes the mounting panel and sets up the brush hair on it along mounting panel length direction, the mounting panel sets up along door body width direction, the brush hair contacts with the door body, just the mounting panel slides with the door body and is connected, still be provided with the drive mounting panel on the door body and do the drive assembly who is close to or keeps away from ground along door body direction of height.
Through adopting above-mentioned technical scheme, when will cleaning the people's air defense door, the workman starts drive assembly to drive the mounting panel and do the motion of being close to or keeping away from ground along a body of height direction, make the brush hair that sets up on the mounting panel can clean the dust and the rust attached to on the body of door, need not the workman and climbs the eminence of people's air defense door and clean the upper portion of people's air defense door, thereby the workman of being convenient for cleans people's air defense door, improves work efficiency.
The utility model discloses further set up to: the drive assembly comprises a slide rail arranged on the door body along the height direction of the door body, a slide block connected in the slide rail in a sliding mode, and a drive screw connected in the slide rail in a rotating mode along the length direction of the slide rail, the drive screw penetrates through the slide block and is in threaded connection with the slide block, the slide rail is provided with two sides respectively located on the door body, the mounting plate is arranged between the two slide blocks and is connected with the two slide blocks, and the door body is further provided with a power assembly for driving the two drive screws to rotate simultaneously.
Through adopting above-mentioned technical scheme, when will starting drive assembly, the workman starts power assembly to drive two drive screws and rotate simultaneously, make the slider of threaded connection on the drive screw be along slide rail length direction be close to or keep away from the motion on ground, thereby drive the mounting panel that sets up between two sliders and be close to or keep away from the motion on ground along a body direction of height, realize cleaning the door body, the workman of being convenient for cleans people's air defense door, improves work efficiency.
The utility model discloses further set up to: the power assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is arranged at one end, close to the bottom of the door body, of the driving screw rod, the second bevel gear is connected to the door body in a rotating mode through a rotating rod, the second bevel gear is meshed with the first bevel gear, and the door body is provided with a rotating assembly which drives the two rotating rods to rotate simultaneously.
Through adopting above-mentioned technical scheme, when will drive power component and function, the workman starts runner assembly, drives two dwangs and rotates simultaneously to the second bevel gear that drives the setting on the dwang rotates, thereby makes the first bevel gear with second bevel gear engaged with rotate, realizes rotating simultaneously of two drive screws.
The utility model discloses further set up to: a cavity is formed in the door body, the rotating assembly is positioned in the cavity, one end of the rotating rod, which is close to the door body, penetrates through the door body and is positioned in the cavity, and the rotating assembly is connected with one end of the rotating rod, which is positioned in the cavity;
the rotating assembly comprises rotating gears arranged on the rotating rods and a transmission chain which is sleeved on the two rotating gears and is engaged with the two rotating gears, and a power part for driving any rotating rod to rotate is further arranged in the cavity.
Through adopting above-mentioned technical scheme, when will drive the runner assembly and function, workman's drive power spare function to the dwang that drives rather than being connected rotates. The rotating rod rotates to drive the transmission gear and the second bevel gear which are arranged on the rotating rod to rotate. The transmission gear rotates, so that the transmission chain meshed with the transmission gear is driven to rotate. The transmission chain moves to drive the other transmission gear to rotate, so that the rotating rod connected with the transmission gear rotates, and the second bevel gear arranged on the rotating rod is driven to rotate. The second bevel gear rotates to drive the first bevel gear meshed with the second bevel gear to rotate, so that the driving screw rod is driven to rotate.
The utility model discloses further set up to: the power part includes the keyed joint first gear on the dwang, rotate through the axis of rotation connect in the cavity and with first gear engaged with second gear to and the key-type connection is at the epaxial worm wheel of rotation, the worm wheel is close to a body avris and sets up, just still rotate in the cavity be connected with worm wheel engaged with worm, the vertical upwards setting of a body direction of height is followed to the worm, still be provided with its pivoted driving piece of drive on the worm.
Through adopting above-mentioned technical scheme, be provided with worm wheel and worm for drive assembly has the function of auto-lock, and will drive dwang pivoted power supply promote to with the place of people's height looks adaptation, the workman's operation of being convenient for need not the workman and bow to adjust, improves the practicality of device. During operation, the worker starts the driving piece to drive the worm to rotate, so that the worm wheel meshed with the worm is driven to rotate, and the rotating shaft connected with the worm wheel rotates. The rotating shaft rotates to drive the second gear arranged on the rotating shaft to rotate, so that the first gear meshed with the second gear is driven to rotate. The first gear rotates to drive the rotating rod connected with the first gear to rotate, and therefore the driving screw rod rotates.
The utility model discloses further set up to: the driving piece comprises a third bevel gear and a fourth bevel gear, the third bevel gear is arranged at one end, far away from the ground, of the worm, the fourth bevel gear is connected into the cavity in a rotating mode through a rotating shaft, the third bevel gear is meshed with the fourth bevel gear, and one end, close to the locking device, of the rotating shaft penetrates through the cavity and is located outside the door body.
Through adopting above-mentioned technical scheme for the pivoted power supply of drive worm sets up towards the workman, and the workman of being convenient for drives the worm and rotates, improves the maneuverability and the practicality of device. When the door body needs to be cleaned, a worker rotates the rotating shaft to drive the fourth bevel gear arranged on the rotating shaft to rotate, so that the third bevel gear meshed with the fourth bevel gear is driven to rotate, and the worm is rotated.
The utility model discloses further set up to: the rotating shaft is provided with a rotating handle.
Through adopting above-mentioned technical scheme, the workman of being convenient for rotates the pivot, improves workman's maneuverability, improves work efficiency.
The utility model discloses further set up to: the slide rail is characterized in that two opposite side walls of the slide rail are provided with limiting grooves along the length direction of the slide rail, the slide block is provided with limiting blocks matched with the limiting grooves, and the limiting blocks are connected in the limiting grooves in a sliding manner.
Through adopting above-mentioned technical scheme for carry on spacingly to the operation of slider, prevent that the drive lead screw when rotating, the slider takes place to rotate along with the drive lead screw, improves the stability of slider operation.
The utility model discloses further set up to: the mounting plate is fixedly mounted on the sliding block through a fixing bolt.
Through adopting above-mentioned technical scheme, long-time back of using, the brush hair can be impaired, and the mounting panel passes through fixing bolt fixed mounting at the slider, and the dismantlement and the change of the mounting panel of being convenient for improve workman's maneuverability and improve the usability of work efficiency and device.
Compared with the prior art, the utility model has the advantages that:
1. when the civil air defense door needs to be cleaned, workers start the driving assembly, so that the mounting plate is driven to move close to or far away from the ground along the height direction of the door body, dust and rust attached to the door body can be cleaned by the bristles arranged on the mounting plate, the workers do not need to climb to the high position of the civil air defense door to clean the upper part of the civil air defense door, the workers can clean the civil air defense door conveniently, and the working efficiency is improved;
2. through being provided with third bevel gear and fourth bevel gear to and worm gear, make drive assembly have the function of auto-lock, and promote drive dwang pivoted power supply to the place with people's height looks adaptation, and make the pivoted power supply of drive worm set up towards the workman, the workman of being convenient for drives the worm and rotates, need not the workman and bow to adjust, the workman's of being convenient for operation improves the maneuverability and the practicality of device.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic diagram of the explosion structure of the present invention, mainly illustrating the structures of the driving assembly and the power assembly;
fig. 4 is a partial structural schematic view of the present invention, mainly illustrating the structure in the cavity;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is an enlarged view of a portion B of fig. 3.
Reference numerals: 100. a door frame; 200. a door body; 210. a cavity; 300. a locking device; 310. a locking mechanism; 311. a first connecting rod; 312. a second connecting rod; 313. a third connecting rod; 314. a locking lever; 315. a locking sleeve; 320. a drive mechanism; 321. rotating the lead screw; 322. connecting blocks; 323. a fourth connecting rod; 324. a rotating member; 400. a cleaning device; 410. mounting a plate; 420. brushing; 430. fixing the bolt; 500. a drive assembly; 510. a slide rail; 511. a limiting groove; 520. a slider; 521. a limiting block; 530. driving a lead screw; 600. a power assembly; 610. a first bevel gear; 620. rotating the rod; 630. a second bevel gear; 700. a rotating assembly; 710. a rotating gear; 720. a drive chain; 800. a power member; 810. a first gear; 820. a rotating shaft; 830. a second gear; 840. a worm gear; 850. a worm; 900. a drive member; 910. a third bevel gear; 920. a rotating shaft; 921. rotating the handle; 930. and a fourth bevel gear.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 2 and 3, the civil air defense door for the basement comprises a door body 200 and a locking device 300 arranged on one side of the door body 200, wherein a cleaning device 400 for cleaning the door body 200 is arranged on one side of the door body 200 provided with the locking device 300.
Referring to fig. 2 and 3, the cleaning apparatus 400 includes a mounting plate 410 and bristles 420 attached to the mounting plate 410 along a length direction thereof, wherein the mounting plate 410 is disposed along a width direction of the door 200, and the bristles 420 are in contact with the door 200. The mounting plate 410 is connected with the door body 200 in a sliding manner, and the door body 200 is further provided with a driving assembly 500 for driving the mounting plate 410 to be close to or far away from the ground along the height direction of the door body 200.
Referring to fig. 3 and 4, the driving assembly 500 includes a sliding rail 510 disposed on the door body 200 along the height direction of the door body 200, a sliding block 520 slidably connected in the sliding rail 510, and a driving screw 530 rotatably connected in the sliding rail 510 along the length direction of the sliding rail 510, wherein the driving screw 530 penetrates through the sliding block 520 and is in threaded connection with the sliding block 520. The two slide rails 510 are respectively disposed at two sides of the door body 200, and the mounting plate 410 is disposed between the two slide blocks 520 and connected to both of the two slide blocks 520. Meanwhile, the door body 200 is further provided with a power assembly 600 for driving the two driving screws 530 to rotate simultaneously.
Referring to fig. 4 and 5, two opposite sidewalls of the sliding rail 510 are respectively provided with a limiting groove 511 along the length direction thereof.
Referring to fig. 3 and 4, a limiting block 521 matched with the limiting groove 511 is integrally arranged on the sliding block 520, and the limiting block 521 is connected in the limiting groove 511 in a sliding manner. And the mounting plate 410 is fixedly mounted on the sliding block 520 through the fixing bolt 430, so that a worker can conveniently mount and replace the cleaning device, and the working efficiency and the working convenience are improved.
Referring to fig. 2 and 3, the power assembly 600 includes a first bevel gear 610 which is keyed on one end of the driving screw 530 near the bottom of the door body 200, and a second bevel gear 630 which is rotatably connected to the door body 200 through a rotating rod 620, wherein the second bevel gear 630 is engaged with the first bevel gear 610, and the door body 200 is further provided with a rotating assembly 700 which drives two rotating rods 620 to rotate simultaneously.
Referring to fig. 3 and 4, a cavity 210 is formed in the door body 200, the rotating assembly 700 is located in the cavity 210, one end of the rotating rod 620 close to the door body 200 penetrates through the door body 200 and is located in the cavity 210, and the rotating assembly 700 is connected with one end of the rotating rod 620 located in the cavity 210, so that the cleaning of the door body 200 by the cleaning device 400 is prevented from being influenced by the existence of the rotating assembly 700.
Referring to fig. 3 and 4, the rotating assembly 700 includes rotating gears 710 disposed on the rotating rods 620, and a transmission chain 720 sleeved on the two rotating gears 710 and engaged with both of the two rotating gears 710, and a power member 800 disposed in the cavity 210 for driving any one of the rotating rods 620 to rotate.
Referring to fig. 3 and 6, the power member 800 includes a first gear 810 key-coupled to the rotation rod 620, a second gear 830 rotatably coupled in the cavity 210 through a rotation shaft 820 and engaged with the first gear 810, and a worm gear 840 key-coupled to the rotation shaft 820. The worm wheel 840 is arranged close to the side of the door body 200, a worm 850 meshed with the worm wheel 840 is further rotatably connected in the cavity 210, and the worm 850 is vertically arranged upwards along the height direction of the door body 200. Simultaneously, still be provided with its pivoted driving piece 900 of drive on the worm 850, driving piece 900 is apart from the 1.5 meters of the door body 200 bottom, and the workman's of being convenient for operates, need not the workman and bow to adjust, improves the practicality of device.
Referring to fig. 3 and 4, the driving member 900 includes a third bevel gear 910 disposed at an end of the worm 850 far from the ground, and a fourth bevel gear 930 rotatably connected to the cavity 210 by a rotating shaft 920, the third bevel gear 910 is engaged with the fourth bevel gear 930, and an end of the rotating shaft 920 near the locking device 300 passes through the cavity 210 and is located outside the door body 200. Meanwhile, the rotating shaft 920 is arranged on one side of the sliding rail 510 close to the side of the door body 200, so that when the mounting plate 410 drives the bristles 420 to move away from the ground along the length direction of the sliding rail 510, the rotating shaft 920 is prevented from being influenced by the cleaning device 400, the operation of equipment is influenced, and the working efficiency is reduced.
Referring to fig. 2 and 3, the rotating shaft 920 is further provided with a rotating handle 921, so that a worker can rotate the rotating shaft 920 conveniently, and the driving screw 530 is driven to rotate, thereby improving the working efficiency.
The working process is as follows:
when the people's air defense door is to be cleaned, the worker rotates the rotating shaft 920 by rotating the handle 921, thereby rotating the fourth bevel gear 930 provided on the rotating shaft 920, and rotating the third bevel gear 910 engaged with the fourth bevel gear 930.
The third bevel gear 910 rotates to rotate the worm 850, thereby rotating the worm wheel 840 engaged with the worm 850, and rotating the rotation shaft 820 connected to the worm wheel 840. The rotation shaft 820 rotates to rotate the second gear 830 provided thereon, thereby rotating the first gear 810 engaged with the second gear 830. The first gear 810 rotates to rotate the rotation rod 620 connected thereto.
The rotating rod 620 rotates to drive the second bevel gear 630 and the rotating gear 710 arranged thereon to rotate, and the rotating gear 710 rotates to drive the transmission chain 720 engaged therewith to move, so that the rotating gear 710 arranged on the other rotating rod 620 rotates to drive the second bevel gear 630 arranged on the other rotating rod 620 to rotate.
When the bristles 420 are damaged due to long-term use, the fixing bolts 430 may be screwed so that the fixing bolts 430 do not fix the mounting plate 410 to the slider 520, and then the damaged cleaning apparatus 400 is removed and a new cleaning apparatus 400 is mounted to the slider 520, thereby facilitating the operation of a worker and improving the work efficiency.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a basement is with people's air defense door, is including the door body (200) to and locking device (300) of setting in door body (200) one side, its characterized in that, one side that door body (200) were provided with locking device (300) is provided with cleaning device (400), cleaning device (400) include mounting panel (410) and along mounting panel (410) length direction set up brush hair (420) above that, mounting panel (410) set up along door body (200) width direction, brush hair (420) contact with door body (200), just mounting panel (410) slide with door body (200) and be connected, still be provided with drive mounting panel (410) on door body (200) and do drive assembly (500) that are close to or keep away from ground along door body (200) direction of height.
2. The civil air defense door for the basement according to claim 1, wherein the driving assembly (500) comprises a sliding rail (510) arranged on the door body (200) along the height direction of the door body (200), sliding blocks (520) connected in the sliding rail (510) in a sliding manner, and driving screws (530) connected in the sliding rail (510) in a rotating manner along the length direction of the sliding rail (510), the driving screws (530) penetrate through the sliding blocks (520) and are in threaded connection with the sliding blocks (520), the sliding rail (510) is provided with two sliding blocks and is respectively located at two sides of the door body (200), the mounting plate (410) is arranged between the two sliding blocks (520) and is connected with the two sliding blocks (520), and the door body (200) is further provided with a power assembly (600) for driving the two driving screws (530) to rotate simultaneously.
3. The civil air defense door for the basement according to claim 2, wherein the power assembly (600) comprises a first bevel gear (610) arranged at one end of a driving screw rod (530) close to the bottom of the door body (200), and a second bevel gear (630) rotatably connected to the door body (200) through a rotating rod (620), the second bevel gear (630) is meshed with the first bevel gear (610), and the door body (200) is provided with a rotating assembly (700) which drives two rotating rods (620) to rotate simultaneously.
4. The civil air defense door for the basement according to claim 3, wherein the door body (200) is provided with a cavity (210), the rotating assembly (700) is positioned in the cavity (210), one end of the rotating rod (620) close to the door body (200) penetrates through the door body (200) and is positioned in the cavity (210), and the rotating assembly (700) is connected with one end of the rotating rod (620) positioned in the cavity (210);
the rotating assembly (700) comprises rotating gears (710) arranged on rotating rods (620) and a transmission chain (720) which is sleeved on the two rotating gears (710) and is engaged with the two rotating gears (710), and a power part (800) for driving any rotating rod (620) to rotate is further arranged in the cavity (210).
5. The civil air defense door for the basement as claimed in claim 4, wherein the power member (800) comprises a first gear (810) connected with the rotating rod (620) in a key mode, a second gear (830) rotatably connected with the cavity (210) through a rotating shaft (820) and meshed with the first gear (810), and a worm wheel (840) connected with the rotating shaft (820) in a key mode, the worm wheel (840) is arranged close to the side of the door body (200), a worm (850) meshed with the worm wheel (840) is further rotatably connected with the cavity (210) in a rotating mode, the worm (850) is vertically and upwards arranged along the height direction of the door body (200), and a driving member (900) for driving the worm (850) to rotate is further arranged on the worm.
6. The civil air defense door for the basement as claimed in claim 5, wherein the driving member (900) comprises a third bevel gear (910) arranged at one end of the worm (850) far away from the ground and a fourth bevel gear (930) rotatably connected in the cavity (210) through a rotating shaft (920), the third bevel gear (910) and the fourth bevel gear (930) are engaged, and one end of the rotating shaft (920) close to the locking device (300) passes through the cavity (210) and is located outside the door body (200).
7. The civil air defense door for the basement as claimed in claim 6, wherein the rotating shaft (920) is provided with a rotating handle (921).
8. The civil air defense door for the basement as claimed in claim 2, wherein the two opposite side walls of the sliding rail (510) are provided with limit grooves (511) along the length direction thereof, the sliding block (520) is provided with limit blocks (521) matched with the limit grooves (511), and the limit blocks (521) are connected in the limit grooves (511) in a sliding manner.
9. The civil air defense door for the basement as claimed in claim 2, wherein the mounting plate (410) is fixedly mounted on the sliding block (520) through a fixing bolt (430).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020069200.3U CN211524584U (en) | 2020-01-13 | 2020-01-13 | Civil air defense door for basement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020069200.3U CN211524584U (en) | 2020-01-13 | 2020-01-13 | Civil air defense door for basement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211524584U true CN211524584U (en) | 2020-09-18 |
Family
ID=72469038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020069200.3U Active CN211524584U (en) | 2020-01-13 | 2020-01-13 | Civil air defense door for basement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211524584U (en) |
-
2020
- 2020-01-13 CN CN202020069200.3U patent/CN211524584U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210358243U (en) | Cleaning device for testing mechanical properties of hard rock multi-field coupling rheology | |
| CN211524584U (en) | Civil air defense door for basement | |
| CN110374277B (en) | Snow cleaning device for preventing large-scale color steel ceiling of factory building from collapsing due to snow | |
| CN109797979B (en) | Wall skin ash shoveling robot | |
| CN212376158U (en) | Intelligent bending chain type electric skylight | |
| CN113669021A (en) | Simple water pumping device for hydrogeological exploration | |
| CN210705379U (en) | House building construction wall drilling machine | |
| CN214061724U (en) | Foundation pit horizontal displacement monitoring device | |
| CN213269727U (en) | Built-in hollow glass shutter convenient to maintain | |
| CN214600036U (en) | Intelligent brushing equipment for constructional engineering | |
| CN214844121U (en) | Civil engineering house detects appraisal and detects sampling mechanism with wall body soil property | |
| CN213701215U (en) | Filtering device for soil detection and restoration | |
| CN212193193U (en) | Grabbing device for coal mine machinery convenient to adjust | |
| CN114352154A (en) | Intelligent backflow preventing device for underground public facilities | |
| CN210828638U (en) | Intelligent door lock handle transmission mechanism | |
| DE20210770U1 (en) | solar shutters | |
| CN220565939U (en) | Rotary opening and closing type flat-pushing aluminum alloy door and window | |
| CN217630679U (en) | Glass movable partition wall with frame containing telescopic pressing strips and capable of being fixed | |
| CN217269793U (en) | Steel civil air defense door intelligently controlled by remote GPS | |
| CN218376324U (en) | Safety device is used in probing | |
| DE3911759A1 (en) | Electrically operated cleaning device | |
| CN215890443U (en) | Noiseless antidetonation hydraulic gear pump | |
| CN216692943U (en) | Make things convenient for angle regulation's LED display screen | |
| CN215857952U (en) | Silt cleaning device for hydraulic engineering | |
| CN219919664U (en) | Soil loosening equipment based on saline-alkali soil improvement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |