CN111321884B - Connecting device for splicing building steel pipes based on connecting rod extrusion - Google Patents
Connecting device for splicing building steel pipes based on connecting rod extrusion Download PDFInfo
- Publication number
- CN111321884B CN111321884B CN202010206483.6A CN202010206483A CN111321884B CN 111321884 B CN111321884 B CN 111321884B CN 202010206483 A CN202010206483 A CN 202010206483A CN 111321884 B CN111321884 B CN 111321884B
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- connecting seat
- sliding
- connecting rod
- extrusion
- 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
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
- E04G7/00—Connections between parts of the scaffold
-
- 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
- E04G7/00—Connections between parts of the scaffold
- E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
-
- 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
- E04G7/00—Connections between parts of the scaffold
- E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
- E04G7/301—Scaffolding bars or members with non-detachably fixed coupling elements for connecting bars or members which are parallel or in end-to-end relation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention provides a connecting device for splicing construction steel pipes based on connecting rod extrusion, and relates to the technical field of construction materials. This connecting device is used in building steel pipe concatenation based on connecting rod extrusion, including the steel pipe, the top fixed mounting of steel pipe has the connecting seat, first spout has been seted up to the bottom of connecting seat, the inside sliding connection of first spout has the slider, the bottom fixedly connected with spring of slider, the top fixed mounting of slider has the stripper plate, the anti-skidding line has been seted up to one side that the stripper plate is close to the connecting seat center. This connecting device for building steel pipe concatenation based on connecting rod extrusion can easily carry out the concatenation and the dismantlement of steel pipe, has reduced the working strength of workman when concatenation with dismantle the steel pipe, has improved the efficiency of steel pipe concatenation, need not realize assembling of steel pipe with the help of other fasteners, is convenient for carry together, has avoided losing of traditional steel pipe fastener to and the wearing and tearing of screw thread, reduced the cost of building.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a connecting device for splicing building steel pipes based on connecting rod extrusion.
Background
Along with the continuous progress of urbanization construction, the quantity of house construction, house decoration is also increasing, and all need use the steel pipe when house construction and house decoration, and the steel pipe is as the material of an auxiliary building, in the building engineering, mainly is used for building scaffold frame and protection network, helps the workman to ascend a height the operation and protect the safety when workman's construction.
And traditional building steel pipe is in the in-process of building, need utilize fastener cooperation bolt to assemble, consequently at the in-process of building and dismantling, needs workman dismouting bolt and fastener repeatedly, has increaseed workman's working strength, and at the in-process of dismantling and carrying, because bolt and fastener are small, appears losing easily, and at the in-process of assembling repeatedly, also can cause wearing and tearing to bolt and fastener, has increased construction cost.
In order to solve the problems, the inventor provides a connecting device for splicing construction steel pipes based on connecting rod extrusion, steel pipes can be easily spliced and disassembled, the working strength of workers in splicing and disassembling the steel pipes is greatly reduced, the efficiency of splicing the steel pipes is improved, the steel pipes are spliced without other fasteners, the steel pipes are convenient to carry together, the loss of the traditional steel pipe fasteners and the abrasion of threads are avoided, and the construction cost is reduced.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a connecting device for building steel pipe concatenation based on connecting rod extrusion, includes steel pipe, connecting seat, first spout, slider, spring, stripper plate, anti-skidding line, apron, round hole, stopper, barb, pawl, connecting rod, fixed column, sleeve, transfer line, second spout, bull stick, third spout, disc.
Wherein:
the connecting seat is fixedly installed at the top end of the steel pipe, a first sliding groove is formed in the bottom of the connecting seat, a sliding block is connected inside the first sliding groove in a sliding mode, a spring is fixedly connected at the bottom end of the sliding block, an extrusion plate is fixedly installed at the top end of the sliding block, anti-skidding lines are formed in one side, close to the center of the connecting seat, of the extrusion plate, a cover plate is connected inside the connecting seat in a sliding mode, a round hole is formed in the center of the cover plate, the aperture of the round hole is matched with the diameter of the steel pipe, a limiting block is fixedly installed on the periphery of the cover plate, a barb is fixedly installed on the outer side of the limiting block, a pawl is rotatably connected on the outer side of the limiting block inside the connecting seat, one end, away from the limiting block, of the pawl is rotatably connected with a connecting rod, a fixing column is fixedly installed at one end, away from the pawl, of the connecting rod, and a sleeve is sleeved on the periphery of the top of the connecting seat, the telescopic inboard fixed mounting has the transfer line, the second spout has been seted up to the bottom of apron, the bottom sliding connection of second spout has the bull stick, the inboard fixed mounting of bull stick has the third spout, the peripheral fixed mounting of steel pipe bottom has the disc.
Preferably, the bottom of connecting seat is the toper face, and the bottom inclines to the centre, first spout is seted up on the inclined plane of the inboard bottom of connecting seat for the stripper plate can move to the inboard when moving down.
Preferably, the total four of quantity of stripper plate, and evenly distributed is in the inside of connecting seat, the top sliding connection of stripper plate is in the third spout for when the bull stick drove the third spout and rotates, can make the stripper plate move to the inboard.
Preferably, the number of the limiting blocks is four, the limiting blocks are uniformly distributed on the periphery of the cover plate and extend outwards to the inside of the connecting seat, and therefore the cover plate can stably move downwards in the connecting seat.
Preferably, the bottom of connecting rod is attached mutually with the inner wall of connecting seat, leave the space between the top of connecting rod and the inner side and the inner wall of connecting seat, consequently, the connecting rod only can upwards remove, and then drives the pawl and overturn downwards for the pawl can not upwards overturn.
Preferably, a waist hole is formed in the transmission rod, and the fixing column is connected to the inside of the waist hole in a sliding mode, so that the connecting rod can be driven to move upwards when the sleeve is pushed to move upwards.
Preferably, one end of the rotating rod is rotatably connected to the inner side of the connecting seat, and the other end of the rotating rod is slidably connected to the inner portion of the second sliding groove, so that the cover plate can push the rotating rod to turn downwards in the process of moving downwards.
The invention provides a connecting device for splicing building steel pipes based on connecting rod extrusion. The method has the following beneficial effects:
1. this connecting device is used in concatenation of building steel pipe based on connecting rod extrusion, through inside apron of steel pipe top connecting seat and stripper plate design, cooperation steel pipe bottom peripheral disc, when pegging graft the steel pipe to the inside of connecting seat again, can drive the apron and move down, and then make inside stripper plate contract to the inboard, come to extrude fixedly to inside steel pipe, and then accomplish the concatenation to the steel pipe, and when dismantling, only need upwards promote the sleeve and just can easily upwards extract the steel pipe, greatly reduced the workman working strength when concatenation and dismantlement steel pipe, the efficiency of steel pipe concatenation has been improved.
2. This connecting device is used in concatenation of building steel pipe based on connecting rod extrusion, through the design of steel pipe top connecting seat and bottom disc, need not just can realize just assembling to the steel pipe with the help of other fasteners, and equal fixed mounting is on the steel pipe, and the transport together of being convenient for has avoided losing of traditional steel pipe fastener to and the wearing and tearing of screw thread, has reduced the cost of building.
Drawings
FIG. 1 is a cross-sectional view of a structure of the present invention;
FIG. 2 is a cross-sectional view of a tiled construction of the present invention;
FIG. 3 is a cross-sectional view of the structure of FIG. 1 taken along line A-A thereof in accordance with the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
fig. 5 is a schematic structural view of the bottom of the cover plate of the present invention.
In the figure: 1. a steel pipe; 2. a connecting seat; 3. a first chute; 4. a slider; 5. a spring; 6. a pressing plate; 7. anti-skid lines; 8. a cover plate; 9. a circular hole; 10. a limiting block; 11. a barb; 12. a pawl; 13. a connecting rod; 14. fixing a column; 15. a sleeve; 16. a transmission rod; 17. a second chute; 18. a rotating rod; 19. a third chute; 20. a disk.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the connecting device for splicing the building steel pipes based on the connecting rod extrusion comprises the following steps:
referring to fig. 1-5, a connecting device for splicing building steel pipes based on connecting rod extrusion comprises a steel pipe 1, a connecting seat 2, a first sliding groove 3, a sliding block 4, a spring 5, an extrusion plate 6, anti-slip threads 7, a cover plate 8, a round hole 9, a limiting block 10, a barb 11, a pawl 12, a connecting rod 13, a fixed column 14, a sleeve 15, a transmission rod 16, a second sliding groove 17, a rotating rod 18, a third sliding groove 19 and a disc 20.
Wherein:
the connecting seat 2 is fixedly installed at the top end of the steel pipe 1, the bottom of the connecting seat 2 is a conical surface, the bottom end of the connecting seat 2 inclines towards the middle, the first sliding groove 3 is formed in the inclined surface of the bottom of the inner side of the connecting seat 2, the extrusion plate 6 can move towards the inner side while moving downwards, the first sliding groove 3 is formed in the bottom of the connecting seat 2, the sliding block 4 is connected to the inner portion of the first sliding groove 3 in a sliding mode, the spring 5 is fixedly connected to the bottom end of the sliding block 4, the extrusion plate 6 is fixedly installed at the top end of the sliding block 4, the number of the extrusion plates 6 is four, the extrusion plates are evenly distributed in the connecting seat 2, the top end of each extrusion plate 6 is connected to the third sliding groove 19 in a sliding mode, when the rotating rod 18 drives the third sliding groove 19 to rotate, the extrusion plates 6 can move towards the inner side, the anti-slip grains 7 are formed in one side, close to the center of the extrusion plate 6, and the cover plate 8 is connected to the inner portion of the connecting seat 2 in a sliding mode, the center of the cover plate 8 is provided with a round hole 9, the aperture of the round hole 9 is matched with the diameter of the steel pipe 1, the periphery of the cover plate 8 is fixedly provided with four limit blocks 10, the number of the limit blocks 10 is four, the four limit blocks are uniformly distributed on the periphery of the cover plate 8 and extend outwards to the inside of the connecting seat 2, so that the cover plate 8 can stably move downwards in the connecting seat 2, the outer side of each limit block 10 is fixedly provided with a barb 11, the outer side of each limit block 10 in the connecting seat 2 is rotatably connected with a pawl 12, one end of each pawl 12, which is far away from the corresponding limit block 10, is rotatably connected with a connecting rod 13, the bottom end of each connecting rod 13 is attached to the inner wall of the connecting seat 2, a gap is reserved between the top and the inner side of each connecting rod 13 and the inner wall of the connecting seat 2, therefore, the connecting rods 13 can only move upwards, and further drive the pawls 12 to overturn downwards, so that the pawls 12 cannot overturn upwards, and the cover plate 8 and the extrusion plate 6 in the connecting seat 2 at the top end of the steel pipe 1 are designed, peripheral disc 20 in 1 bottom of cooperation steel pipe, peg graft steel pipe 1 again to the inside of connecting seat 2 during, can drive apron 8 downstream, and then make inside stripper plate 6 shrink to the inboard, come to extrude fixedly the steel pipe 1 of inside, and then accomplish the concatenation to steel pipe 1, and when dismantling, only need upwards promote sleeve 15 and just can easily extract steel pipe 1 upwards, greatly reduced the workman at the concatenation with the working strength when dismantling steel pipe 1, the efficiency of the concatenation of steel pipe 1 has been improved.
One end of the connecting rod 13, which is far away from the pawl 12, is fixedly provided with a fixed column 14, the periphery of the top of the connecting seat 2 is sleeved with a sleeve 15, the inner side of the sleeve 15 is fixedly provided with a transmission rod 16, the transmission rod 16 is internally provided with a waist hole, the fixed column 14 is slidably connected inside the waist hole, therefore, when the sleeve 15 is pushed to move upwards, the connecting rod 13 can be driven to move upwards, the bottom end of the cover plate 8 is provided with a second chute 17, the bottom of the second chute 17 is slidably connected with a rotating rod 18, one end of the rotating rod 18 is rotatably connected to the inner side of the connecting seat 2, the other end of the rotating rod 18 is slidably connected inside the second chute 17, so that the rotating rod 18 can be pushed to turn downwards in the downward moving process of the cover plate 8, the inner side of the rotating rod 18 is fixedly provided with a third chute 19, the periphery of the bottom of the steel pipe 1 is fixedly provided with a disc 20, and through the design of the connecting seat 2 at the top end and the disc 20 at the bottom end of the steel pipe 1, need not just can realize just assembling to steel pipe 1 with the help of other fasteners, and all fixed mounting is on steel pipe 1, and the transport together of being convenient for has avoided losing of traditional steel pipe 1 fastener to and the wearing and tearing of screw thread, reduced the cost of building.
When the steel pipe splicing machine is used, when steel pipes 1 need to be spliced, the bottom ends of the steel pipes 1 are inserted into the circular hole 9 of the cover plate 8 at the top of another steel pipe 1, when the circular disc 20 at the periphery of the bottom of the steel pipe 1 is in contact with the cover plate 8, the cover plate 8 can be driven to move downwards, in the downward movement process of the cover plate 8, the rotating rod 18 can be turned downwards through the rotating connection between the inner wall of the connecting seat 2 and the bottom end of the cover plate 8 through the rotating rod 18, in the downward turning process of the rotating rod 18, the extrusion plate 6 can be drawn close to the middle through the sliding connection between the third sliding groove 19 at the bottom end of the rotating rod 18 and the first sliding groove 3 at the bottom of the connecting seat 2 through the extrusion plate 6, so as to extrude and fix the steel pipes 1 extending into the connecting seat 2, and the cover plate 8 can stably move downwards and cannot move upwards after moving downwards through the cooperation of the peripheral barbs 11 of the cover plate 8 and the pawls 12 in the connecting seat 2, and then carry out stable extrusion fixedly to inside steel pipe 1, and then realize the concatenation to steel pipe 1, and steel pipe 1 atress is big downwards, it is stronger to the extrusion of steel pipe 1 bottom, and when needs dismantle steel pipe 1, upwards promote sleeve 15 earlier, at the in-process that sleeve 15 upwards moved, can drive connecting rod 13 rebound through transfer line 16, in the in-process that connecting rod 13 rebound, can make inboard pawl 12 overturn downwards, and then relieve the spacing to 8 both sides barbs 11 of apron, make 8 of apron can rebound, make 6 of the inside stripper plate of connecting seat 2 can expand to the outside, be convenient for take out the top of steel pipe 1, realize the dismantlement to steel pipe 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a connecting device for building steel pipe concatenation based on connecting rod extrusion, includes steel pipe (1), its characterized in that: the steel pipe connecting structure is characterized in that a connecting seat (2) is fixedly installed at the top end of the steel pipe (1), a first sliding groove (3) is formed in the bottom of the connecting seat (2), a sliding block (4) is connected to the inside of the first sliding groove (3) in a sliding mode, a spring (5) is fixedly connected to the bottom end of the sliding block (4), an extrusion plate (6) is fixedly installed at the top end of the sliding block (4), anti-skidding patterns (7) are formed in one side, close to the center of the connecting seat (2), of the extrusion plate (6), a cover plate (8) is connected to the inside of the connecting seat (2) in a sliding mode, a round hole (9) is formed in the center of the cover plate (8), a limiting block (10) is fixedly installed on the periphery of the cover plate (8), a barb (11) is fixedly installed on the outer side of the limiting block (10) of the connecting seat (2), a pawl (12) is rotatably connected to a pawl (12), one end, far away from the limiting block (10), is rotatably connected to a connecting rod (13), the steel pipe connecting structure is characterized in that a fixing column (14) is fixedly mounted at one end, far away from a pawl (12), of a connecting rod (13), a sleeve (15) is sleeved on the periphery of the top of a connecting seat (2), a transmission rod (16) is fixedly mounted on the inner side of the sleeve (15), a second sliding chute (17) is formed in the bottom end of a cover plate (8), a rotating rod (18) is connected to the bottom of the second sliding chute (17) in a sliding mode, a third sliding chute (19) is fixedly mounted on the inner side of the rotating rod (18), a disc (20) is fixedly mounted on the periphery of the bottom of a steel pipe (1), the bottom of the connecting seat (2) is a conical surface, the bottom end of the connecting seat inclines towards the middle, the first sliding chute (3) is formed in an inclined surface of the bottom of the inner side of the connecting seat (2), the number of the extrusion plates (6) is four, the extrusion plates are evenly distributed in the connecting seat (2), and the top end of the extrusion plates (6) is connected in the third sliding mode, the aperture of round hole (9) and the diameter looks adaptation of steel pipe (1), the quantity of stopper (10) is total four, and evenly distributed is in the periphery of apron (8), and outwards extends to the inside of connecting seat (2), the bottom of connecting rod (13) is attached mutually with the inner wall of connecting seat (2), leave the space between the top of connecting rod (13) and the inner wall of inboard and connecting seat (2), the waist hole has been seted up to the inside of transfer line (16), fixed column (14) sliding connection is in the inside in waist hole, the one end rotation of bull stick (18) is connected in the inboard of connecting seat (2), the other end sliding connection of bull stick (18) is in the inside of second spout (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010206483.6A CN111321884B (en) | 2020-03-23 | 2020-03-23 | Connecting device for splicing building steel pipes based on connecting rod extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010206483.6A CN111321884B (en) | 2020-03-23 | 2020-03-23 | Connecting device for splicing building steel pipes based on connecting rod extrusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111321884A CN111321884A (en) | 2020-06-23 |
| CN111321884B true CN111321884B (en) | 2021-07-23 |
Family
ID=71167736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010206483.6A Active CN111321884B (en) | 2020-03-23 | 2020-03-23 | Connecting device for splicing building steel pipes based on connecting rod extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111321884B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590597A (en) * | 2013-11-18 | 2014-02-19 | 中煤建筑安装工程集团有限公司 | Jointer for rapid butting and clamping connection of reinforcing steel bars or steel tubes |
| CN206245490U (en) * | 2015-12-04 | 2017-06-13 | 保力集团有限责任公司 | Connector for attachment structure part and it is provided with the truss of the connector |
| CN206467996U (en) * | 2017-01-20 | 2017-09-05 | 张晓静 | A kind of fast disassembly type scaffold fastenings |
| CN207017614U (en) * | 2017-06-13 | 2018-02-16 | 王利梅 | A kind of scaffold for building for being easily installed and dismantling |
| CN207122002U (en) * | 2017-06-29 | 2018-03-20 | 湖北特耐尔新型材料股份有限公司 | A kind of log cabin fastener |
| CN108756070A (en) * | 2018-06-20 | 2018-11-06 | 肖成美 | A method of it improving building and builds efficiency |
| CN110056132A (en) * | 2019-05-30 | 2019-07-26 | 李华 | A kind of spring snap type connector |
| CN110847366A (en) * | 2019-11-28 | 2020-02-28 | 湖南麓上住宅工业科技有限公司 | Connecting sleeve for wood structure |
-
2020
- 2020-03-23 CN CN202010206483.6A patent/CN111321884B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590597A (en) * | 2013-11-18 | 2014-02-19 | 中煤建筑安装工程集团有限公司 | Jointer for rapid butting and clamping connection of reinforcing steel bars or steel tubes |
| CN206245490U (en) * | 2015-12-04 | 2017-06-13 | 保力集团有限责任公司 | Connector for attachment structure part and it is provided with the truss of the connector |
| CN206467996U (en) * | 2017-01-20 | 2017-09-05 | 张晓静 | A kind of fast disassembly type scaffold fastenings |
| CN207017614U (en) * | 2017-06-13 | 2018-02-16 | 王利梅 | A kind of scaffold for building for being easily installed and dismantling |
| CN207122002U (en) * | 2017-06-29 | 2018-03-20 | 湖北特耐尔新型材料股份有限公司 | A kind of log cabin fastener |
| CN108756070A (en) * | 2018-06-20 | 2018-11-06 | 肖成美 | A method of it improving building and builds efficiency |
| CN110056132A (en) * | 2019-05-30 | 2019-07-26 | 李华 | A kind of spring snap type connector |
| CN110847366A (en) * | 2019-11-28 | 2020-02-28 | 湖南麓上住宅工业科技有限公司 | Connecting sleeve for wood structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111321884A (en) | 2020-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209161432U (en) | A kind of town road manhole cover lifting device | |
| CN113339605B (en) | Quick supporting and reinforcing device for floor conveying pump pipe | |
| CN113426546B (en) | Decoration material breaker | |
| CN111321884B (en) | Connecting device for splicing building steel pipes based on connecting rod extrusion | |
| CN109719257A (en) | A kind of easy-to-mount metalworking dies | |
| CN215055083U (en) | Scaffold frame for building engineering construction convenient to material loading | |
| CN110685281B (en) | Built-in prestressing force axle power ware connection structure of building foundation ditch steel pipe brace | |
| CN112897123A (en) | Mining automatic water spray dust collector | |
| CN117627335A (en) | Assembled steel frame and assembling method thereof | |
| CN110919477B (en) | Wire drawing die for metal product wire drawing process | |
| CN209413311U (en) | A kind of aluminum alloy pattern plate disassembly pulling-on piece | |
| CN213256174U (en) | Dust collection device for construction | |
| CN209062043U (en) | A kind of reinforced bar straight thread Automatic Link Establishment | |
| CN210730799U (en) | Automatic curved hoop equipment of reinforcing bar of unloading | |
| CN221480789U (en) | Sleeve cage connecting mechanism | |
| CN206732693U (en) | Support roller scraping grinding machine | |
| CN112045520A (en) | Automatic change highlight chamfer equipment | |
| CN214115810U (en) | Adjustable anti-blocking carding machine coiler | |
| CN112663844B (en) | Green building engineering curtain wall construction support and use method thereof | |
| CN214531609U (en) | Barb rubber cushion block for railing | |
| CN221837619U (en) | Steel column foot for building construction | |
| CN213037153U (en) | Automatic pipe storage device for plastic pipe rolling | |
| CN221894009U (en) | Material transportation equipment for building | |
| CN221461812U (en) | Steel strip for fixing concrete special-shaped column formwork | |
| CN216810996U (en) | Concrete pouring device for constructional column of masonry filler wall |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Saiya Inventor after: Cong Haiqi Inventor before: Cong Haiqi |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210708 Address after: No.12 Liming Road, Laian Economic Development Zone, Chuzhou City, Anhui Province 239200 Applicant after: Anhui Tongji hydropower construction and installation Co.,Ltd. Address before: 311600 room 203-7, unit 1, building 2, no.89-105, Zhijiang Road, xiaya Town, Jiande City, Hangzhou City, Zhejiang Province Applicant before: Hangzhou caodeng Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |