CN110409780A - A kind of floor construction retractable support platform - Google Patents
A kind of floor construction retractable support platform Download PDFInfo
- Publication number
- CN110409780A CN110409780A CN201910746943.1A CN201910746943A CN110409780A CN 110409780 A CN110409780 A CN 110409780A CN 201910746943 A CN201910746943 A CN 201910746943A CN 110409780 A CN110409780 A CN 110409780A
- Authority
- CN
- China
- Prior art keywords
- support platform
- retractable support
- shaped
- floor construction
- upside
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
Abstract
The invention discloses a kind of floor construction retractable support platforms, including bottom plate, it is characterized in that: upside one end of the bottom plate is fixedly connected with U-lag, the upside other end of the bottom plate is fixedly connected on the downside of the transverse slat of U-shaped block two, screw rod one is provided in the U-lag, one riser of the hinged U-lag of the screw rod one, spill sliding block is provided in the U-lag, the screw rod one is threadedly coupled the spill sliding block, it is provided with lifting Bai Wei mechanism on the upside of the bottom plate, is provided with protection mechanism on the upside of the bottom plate.The present invention relates to support equipment fields, in particular, being related to a kind of floor construction retractable support platform.The present invention facilitates floor Construction Support.
Description
Technical field
The present invention relates to support equipment fields, in particular, being related to a kind of floor construction retractable support platform.
Background technique
In building construction process, it will usually use retractable support platform and carry out the corresponding work of auxiliary construction worker completion.
Especially in floor construction, some floor gaps are not suitable for away from very big, common elevating mechanism.Construction personnel can only be by taking ladder
The mode of frame carrys out auxiliary construction.
The mode of ladder is taken, construction personnel's a large amount of time is not only wasted.And the ladder taken is insecure, and it is hidden to there is safety
Suffer from.And ladder one end overlap joint is completed, cannot arbitrarily shift position, and the height of ladder be it is fixed, cannot basis
The requirement of construction site and change.This is, in place of the deficiencies in the prior art.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of floor construction retractable support platforms, facilitate floor construction branch
Support.
The present invention adopts the following technical scheme that realization goal of the invention:
A kind of floor construction retractable support platform, including bottom plate, connect it is characterized in that: upside one end of the bottom plate is fixed
U-lag is connect, the upside other end of the bottom plate is fixedly connected on the downside of the transverse slat of U-shaped block two, is provided with screw rod in the U-lag
One, a riser of the screw rod one hinged U-lag is provided with spill sliding block, one screw thread of screw rod in the U-lag
The spill sliding block is connected, lifting Bai Wei mechanism is provided on the upside of the bottom plate, is provided with protection machine on the upside of the bottom plate
Structure.
As further limiting for the technical program, the lifting Bai Wei mechanism includes two connecting rods two, two companies
The central coaxial cross-articulation of bar two, the groove of the hinged U-shaped block two in one end of a connecting rod two, described in another
The groove of the hinged spill sliding block in one end of connecting rod two, the other end of two connecting rods two are respectively articulated with the one of connecting rod one
End.
As further limiting for the technical program, the central coaxial cross-articulation of two connecting rods one, described in two
The other end of connecting rod one is respectively articulated with the groove of U-shaped block one, and two U-shaped blocks one are separately positioned in U-rail, described
Disk is fixedly connected on the upside of U-rail.
As further limiting for the technical program, one group of along the circumferential direction uniform screw thread is provided on the disk
Hole, the transverse slat center of the hinged protection mechanism T-shaped plate one in the center of the disk.
As further limiting for the technical program, the transverse slat two sides of the T-shaped plate one are respectively fixedly connected with arc plate, right
It is respectively arranged with circular hole on the arc plate claimed, threaded hole described in symmetrical described one group of circular hole matching.
As further limiting for the technical program, the upside of the T-shaped plate one is fixedly connected with U-board, the U-board
Straight mouth slot is respectively arranged on two risers, the transverse slat center of the U-board is fixedly connected with two riser of T-shaped plate, the T-shaped plate two
Transverse slat two sides be respectively arranged with straight trough.
As further limiting for the technical program, the transverse slat both ends of the T-shaped plate two are respectively articulated with U-shaped backplate, symmetrically
The side of the U-shaped backplate be respectively articulated with one end of connecting rod three, the other end of two connecting rods three is respectively articulated with round bar
Middle part, one end of two round bars are respectively fixedly connected with sliding block one, and one end of two round bars is respectively fixedly connected with sliding block
Two, two sliding blocks one are separately positioned in the corresponding straight mouth slot, and two sliding blocks two are separately positioned on corresponding
In the straight trough.
As further limiting for the technical program, it is respectively arranged with screw rod two in two straight mouth slots, described in two
One end of screw rod two is respectively articulated with riser one end of the U-board, and two screw rods two are threadedly coupled corresponding described respectively
Sliding block one, two screw rods two are respectively articulated with the riser other end of the U-board, the other end difference of two screw rods two
It is fixedly connected with handle.
As further limiting for the technical program, corresponding two screw rods two of the U-board are threadedly coupled top respectively
Silk two.
As further limiting for the technical program, the U-lag corresponds to the screw rod one and is threadedly coupled jackscrew one.
Compared with prior art, the advantages and positive effects of the present invention are:
(1) by rotation screw rod one, it is mobile that screw rod one drives related elements, so that the height of the present apparatus is made to change,
To adapt to the specific requirement of construction site；
(2) by rotation arc plate, the threaded hole for keeping circular hole different from position matches, and tightens bolt, thus it is possible to vary anti-
Protect the angle of mechanism；
(3) by rotation screw rod two, U-shaped backplate position change may be implemented, it, can be right when two U-shaped backplates are vertical
Construction personnel shields, and when two U-shaped backplate levels, can expand the working range of construction personnel；
(4) present apparatus can change according to the requirement of construction site, and adjustment height and angle protect construction personnel
Shield, improves work efficiency, and saves manpower.
Detailed description of the invention
Fig. 1 is schematic perspective view one of the invention；
Fig. 2 is sectional perspective structural schematic diagram one of the invention；
Fig. 3 is partly cut-away's schematic perspective view of the invention；
Fig. 4 is sectional perspective structural schematic diagram two of the invention；
Fig. 5 is sectional perspective structural schematic diagram three of the invention；
Fig. 6 is sectional perspective structural schematic diagram four of the invention；
Fig. 7 is sectional perspective structural schematic diagram five of the invention；
Fig. 8 is sectional perspective structural schematic diagram six of the invention；
Fig. 9 is sectional perspective structural schematic diagram seven of the invention；
Figure 10 is sectional perspective structural schematic diagram eight of the invention；
Figure 11 is schematic perspective view two of the invention；
In figure: 1, U-shaped backplate, 2, U-board, 3, T-shaped plate one, 4, arc plate, 5, circular hole, 6, U-rail, 7, bottom plate, 8, U
Shape slot, 9, disk, 10, threaded hole, 11, U-shaped block one, 12, connecting rod one, 13, connecting rod two, 14, U-shaped block two, 15, screw rod one, 16,
Jackscrew one, 17, spill sliding block, 18, connecting rod three, 19, jackscrew two, 20, sliding block one, 21, screw rod two, 23, T-shaped plate two, 24, straight
Slot, 25, straight mouth slot, 26, handle, 27, round bar, 28, sliding block two.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
As shown in Fig. 1-Figure 10, the present invention includes bottom plate 7, and upside one end of the bottom plate 7 is fixedly connected with U-lag 8, described
The upside other end of bottom plate 7 is fixedly connected on the downside of the transverse slat of U-shaped block 2 14, is provided with screw rod 1 in the U-lag 8, described
One riser of the hinged U-lag 8 of screw rod 1 is provided with spill sliding block 17, one 15 spiral shell of screw rod in the U-lag 8
Line connects the spill sliding block 17, and the upside of the bottom plate 7 is provided with lifting Bai Wei mechanism, and the upside of the bottom plate 7 is provided with
Protection mechanism.
The lifting Bai Wei mechanism include two connecting rods 2 13, the central coaxial cross-articulation of two connecting rods 2 13,
The groove of the hinged U-shaped block 2 14 in one end of one connecting rod 2 13, one end of another connecting rod 2 13 are hinged
The other end of the groove of the spill sliding block 17, two connecting rods 2 13 is respectively articulated with one end of connecting rod 1.
The other end of the central coaxial cross-articulation of two connecting rods 1, two connecting rods 1 is respectively articulated with U
The groove of shape block 1, two U-shaped blocks 1 are separately positioned in U-rail 6, and the upside of the U-rail 6 is fixed
Clutch disk 9.
One group of along the circumferential direction uniform threaded hole 10 is provided on the disk 9, the center of the disk 9 is hingedly described
The transverse slat center of protection mechanism T-shaped plate 1.
The transverse slat two sides of the T-shaped plate 1 are respectively fixedly connected with arc plate 4, are respectively set on the symmetrical arc plate 4
There is circular hole 5, threaded hole 10 described in symmetrical described one group of the matching of circular hole 5.
The upside of the T-shaped plate 1 is fixedly connected with U-board 2, is respectively arranged with straight mouth on two risers of the U-board 2
Slot 25, the transverse slat center of the U-board 2 are fixedly connected with 2 23 riser of T-shaped plate, and the transverse slat two sides of the T-shaped plate 2 23 are set respectively
It is equipped with straight trough 24.
The transverse slat both ends of the T-shaped plate 2 23 are respectively articulated with U-shaped backplate 1, the side difference of the symmetrical U-shaped backplate 1
One end of articulated linkage 3 18, the other end of two connecting rods 3 18 are respectively articulated with the middle part of round bar 27, two round bars
27 one end is respectively fixedly connected with sliding block 1, and one end of two round bars 27 is respectively fixedly connected with sliding block 2 28, two institutes
It states sliding block 1 to be separately positioned in the corresponding straight mouth slot 25, two sliding blocks 2 28 are separately positioned on corresponding described
In straight trough 24.
It is respectively arranged with screw rod 2 21 in two straight mouth slots 25, one end of two screw rods 2 21 is respectively articulated with institute
Riser one end of U-board 2 is stated, two screw rods 2 21 are threadedly coupled the corresponding sliding block 1, two spiral shells respectively
Bar 2 21 is respectively articulated with the riser other end of the U-board 2, and the other end of two screw rods 2 21 is respectively fixedly connected with handle
26。
Corresponding two screw rods 2 21 of the U-board 2 are threadedly coupled jackscrew 2 19 respectively.
The corresponding screw rod 1 of the U-lag 8 is threadedly coupled jackscrew 1.
Workflow of the invention are as follows: when original state, two U-shaped backplates 1 are at horizontality, 1 side of U-shaped backplate and bottom
7 side of plate is parallel, and for disk 9 close to bottom plate 7, spill sliding block 17 contacts U-lag 8 far from 2 14 one end of U-shaped block.Use two bolts
Circular hole 5 is each passed through to be tightened in corresponding threaded hole 10.
The present apparatus is moved to working region, construction personnel stands on 2 23 transverse slat of T-shaped plate, unscrews jackscrew 2 19, turn respectively
Dynamic handle 26, handle 26 drive screw rod 2 21 to rotate, and 2 21 band movable slider 1 of screw rod is moved along straight mouth slot 25, one 20 band of sliding block
Dynamic round bar 27 is mobile, and round bar 27 is moved with movable slider 2 28 along straight trough 24, and round bar 27 drives connecting rod 3 18 to swing, 3 18 band of connecting rod
Dynamic U-shaped backplate 1 is swung, and until two U-shaped backplates 1 state all in a vertical shape, stop operating handle 26, tightens jackscrew 2 19.
Unscrew jackscrew 1, rotate screw rod 1, screw rod 1 drives spill sliding block 17 to move along U-lag 8, spill sliding block
17 drive a connecting rod 2 13 engaged therewith to swing, and a connecting rod 2 13 drives another connecting rod 2 13 to swing, connecting rod 2 13
Connecting rod 1 is driven to swing, connecting rod 1 drives U-shaped block 1 to move up while moving along U-rail 6, one 11 band of U-shaped block
Dynamic U-rail 6 moves up, and U-rail 6 drives disk 9 to move up, and disk 9 drives T-shaped plate 1 to move up, T-shaped plate
One 3 drive U-board 2, arc plate 4 and T-shaped plate 2 23 mobile, and U-board 2 is mobile with movable slider 1 and screw rod 2 21, T-shaped plate two
23 band movable sliders 2 28 are mobile, and sliding block 1 and sliding block 2 28 drive round bar 27 mobile, and round bar 27 drives connecting rod 3 18 mobile, even
Bar 3 18 and T-shaped plate 2 23 drive U-shaped backplate 1 mobile, and T-shaped plate 2 23 drives construction personnel to be moved upwards up to suitable position, stop
Rotation stop moves screw rod 1, tightens jackscrew 1.
When needing protection mechanism to change angle, bolt is screwed out from threaded hole 10 respectively, rotates arc plate 4, circular arc
Plate 4 drives T-shaped plate 1 to rotate, and T-shaped plate 1 drives U-board 2 and T-shaped plate 2 23 to swing, and U-board 2 is with movable slider 1 and spiral shell
Bar 2 21 is swung, and 2 23 band movable slider 2 28 of T-shaped plate is swung, and sliding block 1 and sliding block 2 28 drive round bar 27 to swing, round bar 27
Connecting rod 3 18 is driven to swing, connecting rod 3 18 and T-shaped plate 2 23 drive U-shaped backplate 1 to swing, until T-shaped plate 2 23 is swung to properly
Position, stop operating arc plate 4.Two bolts are each passed through circular hole 5 to be tightened in corresponding threaded hole 10.
When needing to expand the working range of construction personnel, unscrew jackscrew 2 19, rotates backward handle 26, handle 26 respectively
Screw rod 2 21 is driven to rotate, 2 21 band movable slider 1 of screw rod is moved along straight mouth slot 25, and sliding block 1 drives round bar 27 mobile, circle
Bar 27 is moved with movable slider 2 28 along straight trough 24, and round bar 27 drives connecting rod 3 18 to swing, and connecting rod 3 18 drives U-shaped backplate 1 to swing,
Until two U-shaped backplates 1 are all in a horizontal state, stop operating handle 26, tightens jackscrew 2 19.
Disclosed above is only a specific embodiment of the invention, and still, the present invention is not limited to this, any ability
What the technical staff in domain can think variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of floor construction retractable support platform, including bottom plate (7), it is characterized in that: upside one end of the bottom plate (7) is solid
Surely U-lag (8) are connected, the upside other end of the bottom plate (7) is fixedly connected on the downside of the transverse slat of U-shaped block two (14), the U-lag
(8) screw rod one (15) is provided in, a riser of the hinged U-lag (8) of the screw rod one (15), in the U-lag (8)
It is provided with spill sliding block (17), the screw rod one (15) is threadedly coupled the spill sliding block (17), sets on the upside of the bottom plate (7)
It is equipped with lifting Bai Wei mechanism, is provided with protection mechanism on the upside of the bottom plate (7).
2. floor construction retractable support platform according to claim 1, it is characterized in that: the lifting Bai Wei mechanism includes
Two connecting rods two (13), the central coaxial cross-articulation of two connecting rods two (13), one end of a connecting rod two (13)
The groove of the hinged U-shaped block two (14), the hinged spill sliding block (17) in one end of another connecting rod two (13)
The other end of groove, two connecting rods two (13) is respectively articulated with one end of connecting rod one (12).
3. floor according to claim 2 construction retractable support platform, it is characterized in that: two connecting rods one (12)
Central coaxial cross-articulation, the other end of two connecting rods one (12) are respectively articulated with the groove of U-shaped block one (11), two institutes
It states U-shaped block one (11) to be separately positioned in U-rail (6), is fixedly connected with disk (9) on the upside of the U-rail (6).
4. floor construction retractable support platform according to claim 3, it is characterized in that: being provided on the disk (9)
One group of along the circumferential direction uniform threaded hole (10), the hinged protection mechanism T-shaped plate one (3) in the center of the disk (9)
Transverse slat center.
5. floor construction retractable support platform according to claim 4, it is characterized in that: the transverse slat of the T-shaped plate one (3)
Two sides are respectively fixedly connected with arc plate (4), are respectively arranged with circular hole (5) on the symmetrical arc plate (4), the symmetrical circle
Threaded hole (10) described in one group of hole (5) matching.
6. floor construction retractable support platform according to claim 4, it is characterized in that: the upside of the T-shaped plate one (3)
It is fixedly connected U-board (2), straight mouth slot (25) is respectively arranged on two risers of the U-board (2), the U-board (2)
Transverse slat center is fixedly connected with T-shaped plate two (23) riser, and the transverse slat two sides of the T-shaped plate two (23) are respectively arranged with straight trough (24).
7. floor construction retractable support platform according to claim 6, it is characterized in that: the cross of the T-shaped plate two (23)
Board ends are respectively articulated with U-shaped backplate (1), and the side of the symmetrical U-shaped backplate (1) is respectively articulated with one end of connecting rod three (18),
The other end of two connecting rods three (18) is respectively articulated with the middle part of round bar (27), and one end of two round bars (27) is solid respectively
Determine connection sliding block one (20), one end of two round bars (27) is respectively fixedly connected with sliding block two (28), two sliding blocks one
(20) it is separately positioned in the corresponding straight mouth slot (25), two sliding blocks two (28) are separately positioned on corresponding described straight
In slot (24).
8. floor construction retractable support platform according to claim 7, it is characterized in that: in two straight mouth slots (25)
It is respectively arranged with screw rod two (21), one end of two screw rods two (21) is respectively articulated with riser one end of the U-board (2),
Two screw rods two (21) are threadedly coupled the corresponding sliding block one (20) respectively, and two screw rods two (21) are respectively articulated with
The riser other end of the U-board (2), the other end of two screw rods two (21) are respectively fixedly connected with handle (26).
9. floor construction retractable support platform according to claim 8, it is characterized in that: the U-board (2) is two corresponding
The screw rod two (21) is threadedly coupled jackscrew two (19) respectively.
10. floor construction retractable support platform according to claim 9, it is characterized in that: the U-lag (8) corresponds to institute
It states screw rod one (15) and is threadedly coupled jackscrew one (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746943.1A CN110409780A (en) | 2019-08-14 | 2019-08-14 | A kind of floor construction retractable support platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746943.1A CN110409780A (en) | 2019-08-14 | 2019-08-14 | A kind of floor construction retractable support platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110409780A true CN110409780A (en) | 2019-11-05 |
Family
ID=68367376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910746943.1A Pending CN110409780A (en) | 2019-08-14 | 2019-08-14 | A kind of floor construction retractable support platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110409780A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088203A (en) * | 1976-11-03 | 1978-05-09 | Smith Raymond E Jun | Adjustable scaffold |
| CN107476558A (en) * | 2017-07-17 | 2017-12-15 | 安陆市万众创新智能科技有限公司 | A kind of construction hoistable platform |
| CN207377094U (en) * | 2017-07-15 | 2018-05-18 | 北京中恒嘉业装饰工程有限公司 | Scaffold |
| CN207609151U (en) * | 2017-09-07 | 2018-07-13 | 湖北继昂建设有限公司 | A kind of construction lifting platform |
| CN207776396U (en) * | 2017-12-06 | 2018-08-28 | 南京沃匠工程技术有限公司 | For building strengthening, the operating platform of protection |
| CN108457464A (en) * | 2018-06-11 | 2018-08-28 | 淮北卓颂建筑工程有限公司 | A kind of construction and decoration platform |
| CN208815871U (en) * | 2018-07-31 | 2019-05-03 | 岳赛 | A kind of lifting ladder for building easy to use |
| CN208856845U (en) * | 2018-08-10 | 2019-05-14 | 深圳市行知行机器人技术有限公司 | Aerial work platform |
| CN109875322A (en) * | 2017-12-06 | 2019-06-14 | 陕西百世恒环保科技发展有限公司 | A kind of ideological and political education display and demonstration device |
-
2019
- 2019-08-14 CN CN201910746943.1A patent/CN110409780A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088203A (en) * | 1976-11-03 | 1978-05-09 | Smith Raymond E Jun | Adjustable scaffold |
| CN207377094U (en) * | 2017-07-15 | 2018-05-18 | 北京中恒嘉业装饰工程有限公司 | Scaffold |
| CN107476558A (en) * | 2017-07-17 | 2017-12-15 | 安陆市万众创新智能科技有限公司 | A kind of construction hoistable platform |
| CN207609151U (en) * | 2017-09-07 | 2018-07-13 | 湖北继昂建设有限公司 | A kind of construction lifting platform |
| CN207776396U (en) * | 2017-12-06 | 2018-08-28 | 南京沃匠工程技术有限公司 | For building strengthening, the operating platform of protection |
| CN109875322A (en) * | 2017-12-06 | 2019-06-14 | 陕西百世恒环保科技发展有限公司 | A kind of ideological and political education display and demonstration device |
| CN108457464A (en) * | 2018-06-11 | 2018-08-28 | 淮北卓颂建筑工程有限公司 | A kind of construction and decoration platform |
| CN208815871U (en) * | 2018-07-31 | 2019-05-03 | 岳赛 | A kind of lifting ladder for building easy to use |
| CN208856845U (en) * | 2018-08-10 | 2019-05-14 | 深圳市行知行机器人技术有限公司 | Aerial work platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107795112B (en) | A kind of high maneuverability external wall aerial work platform structure | |
| CN208415997U (en) | A kind of adjustable-angle bracket that civil engineering inclined surface uses | |
| CN110080512A (en) | A kind of safety-type construction platform convenient for feeding | |
| WO2017071001A1 (en) | Four-column suspension hydraulic support | |
| CN107235446A (en) | A kind of Special Automatic hanging device of building and ornament materials environmental-friendly hollow brick | |
| CN208718328U (en) | A kind of movable Scaffold | |
| CN106760902A (en) | A kind of power distribution network power transmission line Special electric line bar automatic mounting machine | |
| CN110436368A (en) | A kind of Mobile hoisting hoisting transportation equipment and hanging method | |
| CN109779230A (en) | A kind of construction hanging basket easy to remove | |
| CN107244547A (en) | A kind of brick holding machine chuck and brick holding machine | |
| CN108643456B (en) | Mounting fixture of main rib of flanging die | |
| CN207277817U (en) | Falsework rack connecting structure | |
| CN110409780A (en) | A kind of floor construction retractable support platform | |
| CN107882317B (en) | A kind of nacelle device for external wall high altitude operation | |
| CN208137408U (en) | A kind of scaffold facilitating adjusting | |
| CN207296472U (en) | The adjustable jacking of shuttering supporting | |
| CN206144456U (en) | Novel overhaul of equipments is with ladder | |
| CN209567711U (en) | A kind of hollow brick special hoisting bar in quadrangle | |
| CN213333245U (en) | Outdoor engineering supervision and supervision equipment | |
| CN208931389U (en) | The good engineering machinery transfer device of stability | |
| CN205107785U (en) | Department of general surgery's stomach wall retractor | |
| CN208009871U (en) | Overhanging type movable Scaffold | |
| CN114439211B (en) | Building scaffold supporting structure | |
| CN107671592A (en) | A kind of lathe is with charging ＆ discharging machine device people | |
| CN209239383U (en) | A kind of connecting rod welding platform |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191105 |