CN218754546U - Portable safe hoisting device based on civil air defense equipment - Google Patents
Portable safe hoisting device based on civil air defense equipment Download PDFInfo
- Publication number
- CN218754546U CN218754546U CN202222196484.4U CN202222196484U CN218754546U CN 218754546 U CN218754546 U CN 218754546U CN 202222196484 U CN202222196484 U CN 202222196484U CN 218754546 U CN218754546 U CN 218754546U
- Authority
- CN
- China
- Prior art keywords
- joint
- air defense
- plate
- civil air
- defense equipment
- 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.)
- Expired - Fee Related
Links
- 230000007123 defense Effects 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a portable safe hoist device based on civil air defense equipment, including the chassis, chassis bottom equidistance symmetry rotation is connected with the gyro wheel, chassis top symmetry joint has the fixed plate, the fixed plate top is provided with convenient lifting mechanism, convenient lifting mechanism includes portal frame, horizontal pole, guide pulley, lug, lead screw, drive wheel, belt, fly leaf, traction cable, connecting block, dead lever, swing board, lifting hook and rotating electrical machines, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization is provided with convenient lifting mechanism, colludes with civil air defense equipment through the lifting hook of swing board bottom and links, and it is rotatory driving the lead screw through rotating electrical machines to utilize the cooperation of drive wheel and belt, transmit power, make two lead screws together rotatory promotion fly leaf remove, the pulling cable is rotatory along the guide pulley, drives connecting block and dead lever and rises, has adjusted swing board and lifting hook and is convenient for hoist civil air defense equipment.
Description
Technical Field
The utility model relates to a hoist and mount technical field specifically is a portable safety hoist device based on civil air defense equipment.
Background
The civil air defense equipment refers to various equipment used for avoiding and relieving nuclear, chemical and biological weapon damage in civil air defense engineering, and comprises the following components: the poison filtering ventilation equipment and the nucleation alarm, monitoring and control equipment mainly comprise: the civil air defense system comprises civil air defense ventilation equipment, civil air defense control equipment and civil air defense drainage equipment, wherein when the civil air defense equipment is installed, a hoisting device is used for hoisting and installing;
however, the existing hoisting device is complicated in lifting steps, the hoisting efficiency of the civil air defense equipment is influenced, meanwhile, the civil air defense equipment is prone to deflection and shaking in the lifting process, and the construction safety is influenced, so that for the situations, in order to avoid the technical problems, a portable safe hoisting device based on the civil air defense equipment is necessarily provided to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a portable safe hoist device based on civil air defense equipment can effectively solve and propose the lifting step loaded down with trivial details among the above-mentioned background, has influenced the efficiency that the civil air defense equipment lifted by crane, and the phenomenon that squints, rocks easily appears at the in-process civil air defense equipment of lifting simultaneously, has influenced the safe problem of construction.
In order to achieve the above object, the utility model provides a following technical scheme: a portable safe hoisting device based on civil air defense equipment comprises a bottom frame, wherein idler wheels are connected to the bottom end of the bottom frame in an equidistant and symmetrical rotating mode, fixed plates are symmetrically clamped at the top end of the bottom frame, and a portable lifting mechanism is arranged at the top end of each fixed plate and comprises a portal frame, a cross rod, a guide wheel, a convex block, a lead screw, a driving wheel, a belt, a movable plate, a traction steel cable, a connecting block, a fixed rod, a swinging plate, a lifting hook and a rotating motor;
two the fixed plate top all is through bolt fixedly connected with portal frame, portal frame inner wall top position department rotates and is connected with the horizontal pole, the joint that the horizontal pole both ends correspond portal frame outside position department has the guide pulley, chassis both ends symmetry joint has the lug, and lies in the chassis and all rotate between two lugs with one side and be connected with the lead screw, two the equal joint in the position department in one side of the corresponding chassis of lead screw one end has the drive wheel, two the belt has all been cup jointed in the drive wheel outside, two the lead screw outside all has the fly leaf, two through threaded connection the fly leaf, two the equal joint in fly leaf top has the traction cable, two the equal joint of the traction cable other end has the connecting block, two the joint has the dead lever between the connecting block, the swing board has been cup jointed in the dead lever outside rotation, swing board outside equidistance fixedly connected with lifting hook, chassis one end corresponds lead screw one side position department and passes through bolt fixedly connected with rotating electrical machines.
Preferably, an anti-deviation mechanism is arranged between the two fixing plates and comprises a roller, a sleeve, a push rod, an anti-deviation plate, a tensioning spring, a top plate and a limiting rod;
two the impartial distance of bottom position department rotates between the fixed plate to be connected with the cylinder, and the impartial distance joint in the corresponding cylinder top position department of the adjacent one end of two fixed plates has the sleeve, sleeve inner wall swing joint has the push rod, push rod other end joint has prevents the deflector, it has the tensioning spring to prevent to correspond sleeve outside position department joint between deflector and the fixed plate, portal frame one end top position department symmetry joint has the roof, roof bottom and fixed plate top impartial distance joint have the gag lever post.
Preferably, sliding grooves are formed in the positions, corresponding to the inner side of the screw, of the two ends of the bottom frame, sliding blocks are clamped in the positions, corresponding to the inner side of the sliding grooves, of one end of the movable plate, the other end of the traction steel cable bypasses the top end of the guide wheel, the rotating motor supplies power through an external power source, and an output shaft of the rotating motor penetrates through the protruding block and is fixedly connected with one end of the screw.
Preferably, the bottom end of the deviation preventing plate is attached to the top end of the roller, the mounting position of the top plate corresponds to the mounting position of the fixing plate, and the top end of the limiting rod penetrates through the top end of the connecting block.
Preferably, two the locating hole has been seted up to the equidistance symmetry in fixed plate top, the inside joint of locating hole has the inserted bar, the joint of inserted bar top has the diaphragm, the diaphragm bottom is through bolt fixedly connected with baffle.
Preferably, the top end of the transverse plate is clamped with a handle, and the bottom end of the baffle is attached to the top end of the roller.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:
1. be provided with convenient lifting mechanism, the lifting hook through swing board bottom colludes with civil air defense equipment and links to each other, it is rotatory driving the lead screw through the rotating electrical machines, and utilize the cooperation of drive wheel and belt, transmit power, make two lead screws together rotatory promotion fly leaf remove, the pulling haulage cable is rotatory along the guide pulley, it rises to drive connecting block and dead lever, it raises to have adjusted swing board and lifting hook, be convenient for hoist the civil air defense equipment, the convenience has been improved, in addition at the in-process of lifting, cooperation through swing board, make the lifting hook along with the rising of civil air defense equipment, change the angle, the effect of connection remains throughout.
2. Be provided with anti-migration mechanism, cooperation through the cylinder, reduce the friction between people's air defense equipment and the chassis, make things convenient for people's air defense equipment to slide, gliding in-process simultaneously, characteristic through tensioning spring is flexible, it slides along the sleeve to push away anti-deflector and push rod, two distances between the anti-deflector have been adjusted, just it is spacing to the people's air defense equipment of different width, prevent that people's air defense equipment from appearing the skew, the adaptability has been improved, the gag lever post through the roof bottom is spacing to the connecting block in addition, when pulling people's air defense equipment goes up and down, reduce rocking of lifting hook, the stability of lifting has further been guaranteed.
3. Be provided with the locating hole, inserted bar, diaphragm and baffle through inserted bar and locating hole cooperation, fix diaphragm and baffle in the fixed plate top to make things convenient for the baffle spacing to carrying out the civil air defense equipment, when the chassis drives the civil air defense equipment and removes, prevent the landing of civil air defense equipment, guaranteed the effect of carrying.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.
In the drawings:
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of the convenient lifting mechanism of the present invention;
fig. 3 is a schematic structural view of the anti-shift mechanism of the present invention;
FIG. 4 is a schematic view of the installation structure of the insert rod of the present invention;
reference numbers in the figures: 1. a chassis; 2. a roller; 3. a fixing plate;
4. a convenient lifting mechanism; 401. a gantry; 402. a cross bar; 403. a guide wheel; 404. a bump; 405. a screw rod; 406. a driving wheel; 407. a belt; 408. a movable plate; 409. a traction wire rope; 410. connecting blocks; 411. fixing the rod; 412. a swing plate; 413. a hook; 414. a rotating electric machine;
5. an anti-migration mechanism; 501. a drum; 502. a sleeve; 503. a push rod; 504. an anti-deviation plate; 505. tensioning the spring; 506. a top plate; 507. a limiting rod;
6. positioning holes; 7. inserting a rod; 8. a transverse plate; 9. and a baffle plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-4, the utility model provides a technical scheme, a portable safe hoist device based on civil air defense equipment, including chassis 1, chassis 1 bottom equidistance symmetry is rotated and is connected with gyro wheel 2, chassis 1 top symmetry joint has fixed plate 3, fixed plate 3 top is provided with convenient lifting mechanism 4, convenient lifting mechanism 4 includes portal frame 401, horizontal pole 402, guide pulley 403, lug 404, lead screw 405, drive wheel 406, belt 407, fly leaf 408, traction cable 409, connecting block 410, dead lever 411, swing board 412, lifting hook 413 and rotating electrical machines 414;
the top ends of the two fixing plates 3 are fixedly connected with a portal frame 401 through bolts, the top position of the inner wall of the portal frame 401 is rotatably connected with a cross rod 402, the two ends of the cross rod 402 are clamped with guide wheels 403 corresponding to the outer side position of the portal frame 401, the two ends of the underframe 1 are symmetrically clamped with lugs 404, a screw rod 405 is rotatably connected between the two lugs 404 positioned at the same side of the underframe 1, one end of the two screw rods 405 is clamped with a driving wheel 406 corresponding to the position of one side of the underframe 1, the outer sides of the two driving wheels 406 are sleeved with belts 407, the outer sides of the two screw rods 405 are connected with movable plates 408 through threads, the top ends of the two movable plates 408 are clamped with traction cables 409, the other ends of the two traction cables 409 are clamped with connecting blocks 410, a fixed rod 411 is clamped between the two connecting blocks 410, a swinging plate 412 is rotatably sleeved on the outer side of the fixed rod 411 in a sleeved mode, lifting hooks 413 are fixedly connected to the outer side of the swinging plate 412 at equal intervals, a rotating motor 414 is fixedly connected to one side of one end of the underframe 1 corresponding to the screw rod 405 through bolts, in order to facilitate pulling of the civil air defense equipment to move, sliding grooves are formed in the two ends of the underframe 1 corresponding to the inner side of the screw rod 405, sliding blocks are clamped at one end of the movable plate 408 corresponding to the inner position of the sliding grooves, the other end of a traction steel cable 409 bypasses the top end of the guide wheel 403, the rotating motor 414 supplies power through an external power supply, and an output shaft of the rotating motor 414 penetrates through the convex block 404 and is fixedly connected with one end of the screw rod 405;
an anti-deviation mechanism 5 is arranged between the two fixing plates 3, and the anti-deviation mechanism 5 comprises a roller 501, a sleeve 502, a push rod 503, an anti-deviation plate 504, a tension spring 505, a top plate 506 and a limiting rod 507;
a roller 501 is rotatably connected at the bottom position between the two fixing plates 3 at equal distance, a sleeve 502 is clamped at the position of the top of the roller 501 at equal distance at the adjacent end of the two fixing plates 3, a push rod 503 is movably connected to the inner wall of the sleeve 502, an anti-deviation plate 504 is clamped at the other end of the push rod 503, a tension spring 505 is clamped at the position of the outer side of the sleeve 502 between the anti-deviation plate 504 and the fixing plate 3, a top plate 506 is symmetrically clamped at the top position of one end of the portal frame 401, limiting rods 507 are clamped at the bottom end of the top plate 506 and the top end of the fixing plate 3 at equal distance, for limiting the personal protective equipment, the bottom end of the anti-deviation plate 504 is jointed with the top end of the roller 501, the mounting position of the top plate 506 corresponds to the mounting position of the fixing plate 3, and the top end of the limiting rod 507 penetrates through the top end of the connecting block 410;
locating hole 6 has been seted up to the equal equidistance symmetry in 3 tops of two fixed plates, and 6 inside joints in locating hole have inserted bar 7, and 7 top joints in inserted bar have diaphragm 8, and 8 bottoms of diaphragm are through bolt fixedly connected with baffle 9, and in order to fix the people's defence equipment, 8 top joints in diaphragm have the handle, and the 9 bottoms of baffle are laminated mutually with cylinder 501 top.
The utility model discloses a theory of operation and use flow: in the process of using the portable safe hoisting device based on the civil air defense equipment, firstly, the civil air defense equipment is placed above the bottom frame 1, and then the inserted rod 7 is embedded into the positioning hole 6 according to the length of the civil air defense equipment, so that the transverse plate 8 and the baffle plates 9 are fixed above the fixing plate 3, the civil air defense equipment is limited above the bottom frame 1 by the two baffle plates 9, the civil air defense equipment is prevented from slipping off when the bottom frame 1 drives the civil air defense equipment to move, and the conveying effect is ensured;
next, the horizontal plate 8 is taken down, the horizontal plate is hooked with the civil air defense equipment through a hook 413 at the bottom end of the swinging plate 412, then the rotating motor 414 is started, the rotating motor 414 drives the screw rod 405 to rotate, meanwhile, through the matching of the driving wheel 406 and the belt 407, a component is formed to transmit power, the two screw rods 405 rotate together to push the movable plate 408 to move, so that the traction steel cable 409 is pulled, the traction steel cable 409 rotates along the guide wheel 403, the connecting block 410 and the fixing rod 411 are pulled to ascend, the swinging plate 412 and the hook 413 are driven to ascend, the civil air defense equipment is lifted, the convenience is improved, and in the lifting process, the hook 413 is matched with the ascending of the civil air defense equipment to change the angle and keep the connecting effect;
finally, at the in-process of people's air defense equipment lifting, cooperation through cylinder 501, reduce the friction between people's air defense equipment and the chassis 1, make things convenient for people's air defense equipment to slide, and at gliding in-process, through the flexible characteristic of tensioning spring 505, promote and prevent inclined to one side board 504, make and prevent inclined to one side board 504 take push rod 503 to slide along sleeve 502, the distance between two anti-inclined to one side boards 504 has been adjusted, it is spacing to people's air defense equipment, prevent that people's air defense equipment from appearing the skew, spacing to connecting block 410 is carried out through gag lever post 507 of roof 506 bottom in addition, when pulling people's air defense equipment goes up and down, reduce rocking of lifting hook 413, and then the stability of lifting has been guaranteed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a portable safe hoist device based on civil air defense equipment, includes chassis (1), its characterized in that: the bottom end of the underframe (1) is connected with rollers (2) in an equidistant and symmetrical manner, the top end of the underframe (1) is symmetrically clamped with a fixed plate (3), the top end of the fixed plate (3) is provided with a convenient lifting mechanism (4), and the convenient lifting mechanism (4) comprises a portal frame (401), a cross rod (402), a guide wheel (403), a bump (404), a screw rod (405), a driving wheel (406), a belt (407), a movable plate (408), a traction steel cable (409), a connecting block (410), a fixed rod (411), a swinging plate (412), a lifting hook (413) and a rotating motor (414);
two fixed plate (3) top all is through bolt fixedly connected with portal frame (401), portal frame (401) inner wall top position department rotates and is connected with horizontal pole (402), horizontal pole (402) both ends correspond portal frame (401) outside position department joint has guide pulley (403), chassis (1) both ends symmetry joint has lug (404), and lie in chassis (1) and all rotate between two lugs (404) with one side and be connected with lead screw (405), two lead screw (405) one end corresponds chassis (1) one side position department and all has connect drive wheel (406), two belt (407) have all been cup jointed in the drive wheel (406) outside, two the lead screw (405) outside all has fly leaf (408) through threaded connection, two fly leaf (408) top all has joint pull cable (409), two pull cable (409) other end all has joint block (410), two the joint has dead lever (411) between connecting block (410), the dead lever (411) outside rotates and has cup jointed swing board (412), swing board (412) outside equidistance fixedly connected with lifting hook (413), one end corresponds lead screw (1) one side and is connected with the motor (414) rotation.
2. The portable safety hoisting device based on the civil air defense equipment as claimed in claim 1, characterized in that: an anti-deviation mechanism (5) is arranged between the two fixing plates (3), and the anti-deviation mechanism (5) comprises a roller (501), a sleeve (502), a push rod (503), an anti-deviation plate (504), a tension spring (505), a top plate (506) and a limiting rod (507);
two equal distance rotation of bottom position department is connected with cylinder (501) between fixed plate (3), and two equal distance joints of the equal distance joint of the corresponding cylinder (501) top position department of adjacent one end of fixed plate (3) have sleeve (502), sleeve (502) inner wall swing joint has push rod (503), push rod (503) other end joint has prevents deflector (504), it has tensioning spring (505) to prevent to correspond sleeve (502) outside position department joint between deflector (504) and fixed plate (3), portal frame (401) one end top position department symmetry joint has roof (506), roof (506) bottom and the equal equidistance joint in fixed plate (3) top have gag lever post (507).
3. The portable safety hoisting device based on the civil air defense equipment as claimed in claim 1, characterized in that: the utility model discloses a lead screw (405) of rotating electrical machines, including chassis (1), fly leaf, movable plate (408), guide pulley (403) top is walked around to the lead screw, the spout has all been seted up to chassis (1) both ends correspondence lead screw (405) inboard position department, the joint of the inside position department of movable plate (408) one end correspondence spout has the slider, the traction cable (409) other end, rotating electrical machines (414) supply power through external power source, and the output shaft of rotating electrical machines (414) runs through lug (404) and lead screw (405) one end fixed connection.
4. The portable safety hoisting device based on civil air defense equipment as claimed in claim 2, characterized in that: the bottom end of the deviation preventing plate (504) is attached to the top end of the roller (501), the mounting position of the top plate (506) corresponds to the mounting position of the fixing plate (3), and the top end of the limiting rod (507) penetrates through the top end of the connecting block (410).
5. The portable safety hoisting device based on the civil air defense equipment as claimed in claim 1, characterized in that: two locating hole (6) have been seted up to equal equidistance symmetry in fixed plate (3) top, the inside joint of locating hole (6) has inserted bar (7), inserted bar (7) top joint has diaphragm (8), bolt fixedly connected with baffle (9) are passed through to diaphragm (8) bottom.
6. The portable safety hoisting device based on the civil air defense equipment as claimed in claim 5, characterized in that: the handle is clamped at the top end of the transverse plate (8), and the bottom end of the baffle plate (9) is attached to the top end of the roller (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196484.4U CN218754546U (en) | 2022-08-19 | 2022-08-19 | Portable safe hoisting device based on civil air defense equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196484.4U CN218754546U (en) | 2022-08-19 | 2022-08-19 | Portable safe hoisting device based on civil air defense equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218754546U true CN218754546U (en) | 2023-03-28 |
Family
ID=85691563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222196484.4U Expired - Fee Related CN218754546U (en) | 2022-08-19 | 2022-08-19 | Portable safe hoisting device based on civil air defense equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218754546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117886204A (en) * | 2024-03-18 | 2024-04-16 | 泰兴晨光索具有限公司 | Lifting appliance with high safety coefficient and use method |
-
2022
- 2022-08-19 CN CN202222196484.4U patent/CN218754546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117886204A (en) * | 2024-03-18 | 2024-04-16 | 泰兴晨光索具有限公司 | Lifting appliance with high safety coefficient and use method |
| CN117886204B (en) * | 2024-03-18 | 2024-05-28 | 泰兴晨光索具有限公司 | Lifting appliance with high safety coefficient and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218754546U (en) | Portable safe hoisting device based on civil air defense equipment | |
| CN208352858U (en) | Control adjustable length high-altitude power equipment maintaining takes sundries | |
| CN116201348A (en) | Frame structure is climbed in outer wall construction and health safety monitoring system thereof | |
| CN210012529U (en) | Hoist and mount welding equipment suitable for heavy object lifts by crane | |
| CN209685211U (en) | Hang track-type facilities | |
| CN213171204U (en) | Construction equipment hoisting device | |
| CN217867742U (en) | Movable hoisting frame for installation of power distribution cabinet | |
| CN214653150U (en) | Equipment for hoisting prefabricated arched tunnel roof structure | |
| CN113233322B (en) | Hoisting device and method for mounting mine electromechanical equipment | |
| CN110668324A (en) | Tower crane movable passageway system | |
| CN116036618A (en) | High-speed arc track flight Weiya equipment | |
| CN210918153U (en) | Scaffold for building | |
| CN113998528A (en) | Pay-off device for power transmission line | |
| CN217102807U (en) | Hydroelectric pipeline installation overhead hoist | |
| CN215756276U (en) | Self-moving type lifting platform for diesel monorail crane installation | |
| CN209226497U (en) | A kind of elevator bracket convenient for glass handling | |
| CN220201253U (en) | Winch with convenient moving structure | |
| CN220976436U (en) | Single track hangs track installation elevating gear | |
| CN219792150U (en) | Hoisting mechanism and split type hoisting system | |
| CN213976611U (en) | Mine electromechanical device installs hoisting machine and constructs | |
| CN217632776U (en) | Novel wind-powered electricity generation blade overhauls double-deck hanging flower basket | |
| CN217972279U (en) | Assembled building wallboard hoist device | |
| CN220703001U (en) | Belt hoist device with adjustable | |
| CN210508364U (en) | Single-chain front-hanging circulating elevator | |
| CN219136225U (en) | Stainless steel bridge frame installation traction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230328 |