CN111395721A - Support frame is used in hydraulic and hydroelectric engineering construction - Google Patents
Support frame is used in hydraulic and hydroelectric engineering construction Download PDFInfo
- Publication number
- CN111395721A CN111395721A CN202010211755.1A CN202010211755A CN111395721A CN 111395721 A CN111395721 A CN 111395721A CN 202010211755 A CN202010211755 A CN 202010211755A CN 111395721 A CN111395721 A CN 111395721A
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- China
- Prior art keywords
- riser
- hydraulic
- support frame
- engineering construction
- backup pad
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- 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.)
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Classifications
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- 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
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- 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
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- 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
- E04G1/20—Scaffolds comprising upright members and provision for supporting cross-members or platforms at different positions therealong
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- 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
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
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- 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
- E04G5/00—Component parts or accessories for scaffolds
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
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- 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
- E04G2001/157—Extensible platforms, e.g. telescopic platforms
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- 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
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
- E04G2001/242—Scaffolds movable on wheels or tracks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a support frame for hydraulic and hydroelectric engineering construction, which relates to the technical field of hydraulic and hydroelectric engineering construction, and comprises a flat car, wherein connecting pipes are fixed on the periphery of the top of the flat car, vertical pipes are arranged on four connecting pipes, a dismounting mechanism for the vertical pipes is arranged between the connecting pipes and the vertical pipes, a support plate is arranged between the four vertical pipes, a height adjusting mechanism for controlling the lifting of the support plate is arranged between the vertical pipes and the support plate, and an extension mechanism for extending the area of the support plate is arranged on the top of the support plate. The adaptability of the device is greatly improved.
Description
Technical Field
The invention belongs to the technical field of hydraulic and hydroelectric engineering construction, and particularly relates to a support frame for hydraulic and hydroelectric engineering construction.
Background
In the hydraulic and hydroelectric engineering work progress, the staff often need to use equipment such as support frame to maintain the equipment of eminence.
And the support frame of present hydraulic and hydroelectric engineering construction usefulness still has the defect when using, at first, the support frame is difficult to adapt to smooth horizontal plane and hollow ground simultaneously, cause the adaptability of device less strong, be difficult to satisfy environment such as field and city, secondly, because highly being difficult to quick adjustment of device, cause the staff to be difficult to carry out the construction maintenance to the equipment of co-altitude not, and finally, because the top area of support frame is limited, cause the staff to be difficult to once only carry a large amount of maintenance equipment and step on the support frame, thereby lead to the lower problem of equipment maintenance efficiency.
Disclosure of Invention
The invention aims to provide a support frame for hydraulic and hydroelectric engineering construction, which aims to solve the problems in the background technology.
The technical scheme adopted by the invention is as follows:
the utility model provides a support frame is used in hydraulic and hydroelectric engineering construction, includes the flatbed, the top of flatbed all is fixed with the connecting pipe, four all be provided with the riser on the connecting pipe, and be provided with the dismouting mechanism that is used for the riser between connecting pipe and the riser, four be provided with the backup pad between the riser, and be provided with the height control mechanism who is used for controlling the backup pad lift between riser and the backup pad, the top of backup pad is provided with the extension mechanism that is used for extending the backup pad area.
Preferably, dismouting mechanism includes spacing dish, spacing dish welds in the outside of riser, the outside top cover that is located spacing dish of riser is equipped with the sleeve pipe, the sleeve pipe closes soon through the screw thread with the connecting pipe and is connected, sheathed tube outside both sides all are fixed with the lug.
Preferably, the top of spacing dish is provided with the rubber circle, the bottom of riser is provided with the kicking block, kicking block and riser formula structure as an organic whole, and the cross-sectional shape of kicking block is the toper, the inside of connecting pipe seted up with kicking block assorted recess.
Preferably, height adjusting mechanism includes positive and negative motor and follows the driving wheel, positive and negative motor with install respectively in one side below and one side top of riser from the driving wheel, the action wheel is installed to positive and negative motor's transmission shaft, the action wheel with from being connected with the hold-in range between the driving wheel, the hold-in range is connected with the backup pad through hold-down mechanism, the top of backup pad is provided with the locking mechanism who is used for locking the backup pad position.
Preferably, hold-down mechanism includes the fixed plate, the fixed plate passes through bolt fixed connection with the backup pad, and is provided with the draw-in groove that is used for block hold-in range between fixed plate and the backup pad.
Preferably, the locking mechanism comprises a controller, the controller is installed at the top of the supporting plate, a plurality of jacks are longitudinally and equidistantly formed in the outer wall of the vertical pipe, a bolt matched with the jacks is arranged on one side, located on the controller, of the top of the supporting plate, and the positive and negative motors are electrically connected with the controller.
Preferably, the extension mechanism includes two connecting plates, two the connecting plate all through slide rail symmetry sliding connection in the top of backup pad, the top of backup pad is located the bottom of connecting plate and is the rectangular array and seted up a plurality of locating holes, close soon through the screw thread on the connecting plate and be connected with the gim peg with locating hole assorted.
Preferably, the top of the connecting plate is provided with a guardrail, and the cross section of the guardrail is half-transverse-n-shaped.
Preferably, a guide pipe is fixed at the bottom of the support plate outside the stand pipe, and the inner diameter of the guide pipe is consistent with the diameter of the stand pipe.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the arranged dismounting mechanism, when the device is used, the vertical pipe and the flat car can be integrated or separated under the combined action of the sleeve, the connecting pipe, the jacking block and the limiting disc, so that the device can operate on a horizontal plane or an uneven ground at any time, and the adaptability of the device is greatly improved.
2. According to the invention, through the arranged height adjusting mechanism, when the synchronous belt and the supporting plate are used, the fixed plate is utilized to enable the synchronous belt and the supporting plate to form a whole, the positive and negative motors are enabled to drive the driving wheel to rotate clockwise or anticlockwise through the controller, and under the matching action of the driven wheel, the supporting plate can be enabled to ascend or descend along the vertical pipe, so that the height of the supporting plate is adjusted, and therefore, workers on the supporting plate can carry out construction and maintenance on equipment with different heights.
3. According to the invention, the extension mechanism is arranged, so that the connecting plate is pushed to the outside of the supporting plate through the slide rail during use, the whole area of the connecting plate and the supporting plate can be increased, further more maintenance equipment can be placed in the device, the efficiency of equipment construction and maintenance is improved, and the stability of the connecting plate can be further improved through the fixing bolts and the positioning holes.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a connecting tube of the present invention;
FIG. 3 is a top view of a fixation plate of the present invention;
FIG. 4 is a top view of the support plate of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 1;
FIG. 6 is a side view of a riser of the present invention;
in the figure: 1. flatbed vehicle; 2. a connecting pipe; 3. a sleeve; 4. a bump; 5. a positive and negative motor; 6. a synchronous belt; 7. a driven wheel; 8. a guardrail; 9. a fixing bolt; 10. a connecting plate; 11. a riser; 12. a support plate; 13. a conduit; 14. a rubber ring; 15. a card slot; 16. a fixing plate; 17. a limiting disc; 18. a top block; 19. a controller; 20. a bolt; 21. a jack; 22. positioning holes; 23. a driving wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-6, a support frame for hydraulic and hydroelectric engineering construction comprises a flat car 1, wherein connecting pipes 2 are fixed around the top of the flat car 1, vertical pipes 11 are arranged on the four connecting pipes 2, a dismounting mechanism for the vertical pipes 11 is arranged between the connecting pipes 2 and the vertical pipes 11, a support plate 12 is arranged between the four vertical pipes 11, a height adjusting mechanism for controlling the lifting of the support plate 12 is arranged between the vertical pipes 11 and the support plate 12, and an extension mechanism for extending the area of the support plate 12 is arranged at the top of the support plate 12;
the dismounting mechanism comprises a limiting disc 17, the limiting disc 17 is welded on the outer portion of the vertical pipe 11, a sleeve 3 is sleeved on the outer portion of the vertical pipe 11 and located above the limiting disc 17, the sleeve 3 is connected with the connecting pipe 2 in a screwing mode through threads, the two sides of the outer portion of the sleeve 3 are both fixed with protruding blocks 4, and convenience in the rotating process of the sleeve 3 can be improved through the protruding blocks 4;
the top of spacing dish 17 is provided with rubber ring 14, and the bottom of riser 11 is provided with kicking block 18, and kicking block 18 and riser 11 formula structure as an organic whole, and the cross-sectional shape of kicking block 18 is the toper, and the inside of connecting pipe 2 is seted up with kicking block 18 assorted recess, and rubber ring 14 can increase the leakproofness between sleeve pipe 3 and the spacing dish 17.
Through the technical scheme:
when the device is used, after the sleeve 3 is connected with the connecting pipe 2 through threads, the limiting disc 17 on the vertical pipe 11 can be limited, so that the vertical pipe 11 and the flat car 1 form a whole, the device can operate on a horizontal plane, and meanwhile, the device can quickly move and adjust the position on the horizontal plane;
after the sleeve 3 is separated from the connecting pipe 2, the vertical pipe 11 can be separated from the flat car 1, and then the top block 18 at the bottom of the vertical pipe 11 is contacted with the ground, and the device can be placed on the uneven ground due to the conical structure of the top block 18;
through two modes, the device can be used on a horizontal ground and a hollow ground, and the adaptability of the device is greatly improved.
Referring to fig. 1, 3, 5 and 6, the height adjusting mechanism comprises a positive and negative motor 5 and a driven wheel 7, the positive and negative motor 5 and the driven wheel 7 are respectively arranged below one side and above one side of the vertical pipe 11, a driving wheel 23 is arranged on a transmission shaft of the positive and negative motor 5, a synchronous belt 6 is connected between the driving wheel 23 and the driven wheel 7, the synchronous belt 6 is connected with a supporting plate 12 through a pressing mechanism, and a locking mechanism for locking the position of the supporting plate 12 is arranged at the top of the supporting plate 12;
the pressing mechanism comprises a fixing plate 16, the fixing plate 16 is fixedly connected with the supporting plate 12 through bolts, and a clamping groove 15 for clamping the synchronous belt 6 is arranged between the fixing plate 16 and the supporting plate 12;
a guide pipe 13 is fixed at the bottom of the support plate 12 outside the stand pipe 11, and the inner diameter of the guide pipe 13 is consistent with the diameter of the stand pipe 11;
the locking mechanism comprises a controller 19, the controller 19 is installed at the top of the supporting plate 12, a plurality of insertion holes 21 are longitudinally formed in the outer wall of the vertical pipe 11 at equal intervals, a plug pin 20 matched with the insertion holes 21 is arranged on one side, located on the controller 19, of the top of the supporting plate 12, the forward and reverse motor 5 is electrically connected with the controller 19, the controller 19 adopts a P L C controller with a CPU226 model, and the forward and reverse motor 5 adopts a model Y112M-4 model.
Through the technical scheme:
when in use, the synchronous belt 6 passes through the clamping groove 15, and then the fixing plate 16 is fixed with the support plate 12 through a bolt, so that the synchronous belt 6 and the support plate 12 are integrated;
then, the controller 19 enables the forward and reverse motor 5 to drive the driving wheel 23 to rotate clockwise or anticlockwise, and under the matching action of the driven wheel 7, the synchronous belt 6 can drive the supporting plate 12 to ascend or descend along the vertical pipe 11, so that the height of the supporting plate 12 can be adjusted, and workers on the supporting plate 12 can maintain and construct equipment with different heights;
after the height of the support plate 12 is determined, the plug pin 20 of the support plate 12 is inserted into the insertion hole 21 of the outer wall of the stand pipe 11, so that the support plate 12 is prevented from falling out, and the safety of the device in use is improved;
the guide tubes 13 further improve the stability of the support plate 12 during its movement when the support plate 12 is raised or lowered along the riser 11.
Referring to fig. 4, the extension mechanism includes two connecting plates 10, the two connecting plates 10 are both connected to the top of the supporting plate 12 through sliding rails symmetrically and slidably, the top of the supporting plate 12 is located at the bottom of the connecting plates 10 and is provided with a plurality of positioning holes 22 in a rectangular array, and the connecting plates 10 are connected with fixing bolts 9 matched with the positioning holes 22 in a screwing manner through threads;
the guardrail 8 is installed on the top of the connecting plate 10, and the cross section of the guardrail 8 is half transverse n-shaped.
Through the technical scheme:
when the device is used, after the connecting plate 10 is moved to the outside of the supporting plate 12 through the sliding rail, the whole area of the connecting plate 10 and the supporting plate 12 is increased, so that more maintenance articles can be placed on the device, and the convenience of equipment construction and maintenance is improved;
after the position of the connecting plate 10 is determined, the fixing bolt 9 is connected with the positioning hole 22, so that the stability of the connecting plate 10 on the supporting plate 12 is further improved, and in the construction process of workers, the safety of the workers can be improved by the guardrail 8.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a support frame is used in hydraulic and hydroelectric engineering construction which characterized in that: including flatbed (1), all be fixed with connecting pipe (2), four around the top of flatbed (1) all be provided with riser (11) on connecting pipe (2), and be provided with the dismouting mechanism that is used for riser (11) between connecting pipe (2) and riser (11), four be provided with backup pad (12) between riser (11), and be provided with the height control mechanism who is used for controlling backup pad (12) to go up and down between riser (11) and backup pad (12), the top of backup pad (12) is provided with the extension mechanism that is used for extending backup pad (12) area.
2. The support frame for hydraulic and hydroelectric engineering construction of claim 1, wherein: dismouting mechanism includes spacing dish (17), spacing dish (17) weld in the outside of riser (11), the top cover that the outside of riser (11) is located spacing dish (17) is equipped with sleeve pipe (3), sleeve pipe (3) close with connecting pipe (2) through the screw soon and are connected, the outside both sides of sleeve pipe (3) all are fixed with lug (4).
3. The support frame for hydraulic and hydroelectric engineering construction as claimed in claim 2, wherein: the top of spacing dish (17) is provided with rubber circle (14), the bottom of riser (11) is provided with kicking block (18), kicking block (18) and riser (11) formula structure as an organic whole, and the cross-sectional shape of kicking block (18) is the toper, the inside of connecting pipe (2) seted up with kicking block (18) assorted recess.
4. The support frame for hydraulic and hydroelectric engineering construction of claim 1, wherein: height adjusting mechanism includes positive and negative motor (5) and follows driving wheel (7), positive and negative motor (5) and follow driving wheel (7) install respectively in one side below and one side top of riser (11), action wheel (23) are installed to the transmission shaft of positive and negative motor (5), action wheel (23) and follow are connected with hold-in range (6) between driving wheel (7), hold-in range (6) are connected with backup pad (12) through hold-down mechanism, the top of backup pad (12) is provided with the locking mechanism who is used for locking backup pad (12) position.
5. The support frame for hydraulic and hydroelectric engineering construction according to claim 4, wherein: the pressing mechanism comprises a fixing plate (16), the fixing plate (16) is fixedly connected with the supporting plate (12) through bolts, and a clamping groove (15) used for clamping the synchronous belt (6) is formed between the fixing plate (16) and the supporting plate (12).
6. The support frame for hydraulic and hydroelectric engineering construction according to claim 4, wherein: locking mechanism includes controller (19), install in the top of backup pad (12) controller (19), a plurality of jacks (21) have been seted up to the outer wall of riser (11) vertically equidistant, the top of backup pad (12) be provided with for the one side that is located controller (19) with jack (21) assorted bolt (20), positive and negative motor (5) and controller (19) electric connection.
7. The support frame for hydraulic and hydroelectric engineering construction of claim 1, wherein: the extension mechanism comprises two connecting plates (10), wherein the two connecting plates (10) are symmetrically connected to the top of the supporting plate (12) in a sliding mode through sliding rails, the bottom, located on the connecting plates (10), of the top of the supporting plate (12) is provided with a plurality of positioning holes (22) in a rectangular array, and the connecting plates (10) are connected with fixing bolts (9) matched with the positioning holes (22) in a threaded screwing mode.
8. The support frame for hydraulic and hydroelectric engineering construction according to claim 7, wherein: guardrail (8) are installed at the top of connecting plate (10), guardrail (8) cross-sectional shape is half transverse N font.
9. The support frame for hydraulic and hydroelectric engineering construction according to claim 7, wherein: a guide pipe (13) is fixed at the bottom of the support plate (12) and positioned outside the vertical pipe (11), and the inner diameter of the guide pipe (13) is consistent with the diameter of the vertical pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211755.1A CN111395721A (en) | 2020-03-24 | 2020-03-24 | Support frame is used in hydraulic and hydroelectric engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211755.1A CN111395721A (en) | 2020-03-24 | 2020-03-24 | Support frame is used in hydraulic and hydroelectric engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111395721A true CN111395721A (en) | 2020-07-10 |
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ID=71434492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211755.1A Pending CN111395721A (en) | 2020-03-24 | 2020-03-24 | Support frame is used in hydraulic and hydroelectric engineering construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN111395721A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049393A (en) * | 2020-09-01 | 2020-12-08 | 浙江富成建设集团有限公司 | But height-adjusting's stable form engineering construction scaffold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040069568A1 (en) * | 2002-10-15 | 2004-04-15 | Wyse Steven J. | Mobile scaffolding brake |
| CN207032825U (en) * | 2017-08-08 | 2018-02-23 | 黄磊 | A kind of assembled Portable safety crosshead |
| CN108071225A (en) * | 2017-12-01 | 2018-05-25 | 余姚市奥祥轴承有限公司 | A kind of lifting/lowering type building scaffold |
| CN108166739A (en) * | 2018-02-26 | 2018-06-15 | 姜慧 | A kind of extensible safety lifting construction working platform |
| CN208137390U (en) * | 2018-04-16 | 2018-11-23 | 母世超 | A kind of safety-type scaffold of architectural engineering |
| CN208396268U (en) * | 2018-04-16 | 2019-01-18 | 李慧 | A kind of skyscraper elevator support operation platform |
-
2020
- 2020-03-24 CN CN202010211755.1A patent/CN111395721A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040069568A1 (en) * | 2002-10-15 | 2004-04-15 | Wyse Steven J. | Mobile scaffolding brake |
| CN207032825U (en) * | 2017-08-08 | 2018-02-23 | 黄磊 | A kind of assembled Portable safety crosshead |
| CN108071225A (en) * | 2017-12-01 | 2018-05-25 | 余姚市奥祥轴承有限公司 | A kind of lifting/lowering type building scaffold |
| CN108166739A (en) * | 2018-02-26 | 2018-06-15 | 姜慧 | A kind of extensible safety lifting construction working platform |
| CN208137390U (en) * | 2018-04-16 | 2018-11-23 | 母世超 | A kind of safety-type scaffold of architectural engineering |
| CN208396268U (en) * | 2018-04-16 | 2019-01-18 | 李慧 | A kind of skyscraper elevator support operation platform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049393A (en) * | 2020-09-01 | 2020-12-08 | 浙江富成建设集团有限公司 | But height-adjusting's stable form engineering construction scaffold |
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Application publication date: 20200710 |
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| RJ01 | Rejection of invention patent application after publication |