CN209670309U - A kind of fluid pressure type fragment climbing frame - Google Patents
A kind of fluid pressure type fragment climbing frame Download PDFInfo
- Publication number
- CN209670309U CN209670309U CN201920180541.5U CN201920180541U CN209670309U CN 209670309 U CN209670309 U CN 209670309U CN 201920180541 U CN201920180541 U CN 201920180541U CN 209670309 U CN209670309 U CN 209670309U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- fixing seat
- body frame
- climbing
- climbing frame
- 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
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a kind of fluid pressure type fragment climbing frames, belong to the technical field of construction.The utility model is equipped with the first body frame bar, the second body frame bar, the crossbeam and operating platform being connected between the first body frame bar and the second body frame bar by climbing frame frame section, the one side wall of first body frame bar is equipped with climbing frame fixing seat and is used to fix climbing frame and jack the hydraulic lifting system of guide rail, hydraulic lifting system includes jack-up hydraulic ram and Commutating box, when Commutating box is jacked for guide rail or climbing frame, realization carries out locked function to guide rail.Hydraulic climbing portion includes guide rail and guide rail fixing seat, guide rail one direction in guide rail fixing seat is mobile, guide rail guide rail fixing seat is equipped with lifting pin and limits to guide rail, it is equipped with the first pin hole for matching the second pin hole of connection with set pin sleeve and matching connection with limiting slot simultaneously, realize the function that substep jacking is carried out to climbing frame and guide rail, construction cost and higher economic benefit are greatlyd save, can be recycled.
Description
Technical field
The utility model relates to the technical field of construction more particularly to a kind of fluid pressure type fragment climbing frames.
Background technique
Currently, the interior external scaffolding in construction, still based on use fastener type steel pipe scaffold, this scaffold
Backward in technique, material of taking a lot of work in construction, safety is poor, has seldom used in developed countries.This scaffold does not need
Professional production factory, construction enterprises and leased enterprise can directly arrive steel tube factory and purchase steel pipe, and to fastener, factory purchases fastener.And it is many
Steel tube factory and fastener factory are all that production technology falls behind, and are simply equipped, some small factories that run by the community that technical level is low, product quality is difficult
Guaranteeing, security risk coefficient is high, and either ground steel pipe scaffold or overhanging type steel pipe scaffold dismounting difficulty is larger,
Belong to high altitude operation, risk is high, needs to put into a large amount of human and material resources, and construction cost is high.
Utility model content
Purpose of the utility model is to solve deficiencies in the prior art, so propose a kind of fluid pressure type fragment climbing frame,
For save the cost and improve construction efficiency, safety with higher and economic benefit.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of fluid pressure type fragment climbing frame, is placed on the exterior wall of floor, including climbing frame frame section and hydraulic climbing portion;
The climbing frame frame section includes the first body frame bar, crossbeam, the second body frame bar and operating platform;One end of the crossbeam
It is bolted in the one side wall of the first body frame bar, the other end of the crossbeam is bolted to the second corresponding side of body frame bar
On wall;The one side wall bottom of the first body frame bar back to crossbeam is hingedly connected with the first support arm;The first body frame bar back
Climbing frame fixing seat is connected with to the one side wall top bolt of crossbeam;The bottom bolts of the climbing frame fixing seat are connected with hydraulic pressure lift
System;The hydraulic lifting system includes jack-up hydraulic ram and Commutating box;The Commutating box is respectively fixedly connected with there are two setting
At the both ends of jack-up hydraulic ram;The operating platform is bolted to the upper surface of crossbeam;
The hydraulic climbing portion includes guide rail fixing seat and guide rail;The one side wall of the guide rail fixing seat is bolted outside
On wall;The other side of the guide rail fixing seat is equipped with track groove;The top of the guide rail fixing seat is equipped with limiting device;It is described to lead
Rail is slidably connected in track groove, and the one side wall of the guide rail is welded and connected with side plate;There are two the side plate is set, two sides
Plate is arranged in parallel with guide rail;Several set pin sleeves are welded and connected between two side plates;The set pin sleeve and limit
Position device matching connection;The bottom of the guide rail is hingedly connected with the second support arm;
Two Commutating boxs, which match, to be connected on guide rail;The climbing frame fixing seat detachably connects with guide rail fixing seat
It connects.
Further, the first body frame bar and the second body frame bar are equipped with several, and are built in sections by square steel tube;
Several bolts hole are equidistantly offered on the first body frame bar and the second body frame bar.
Further, first support arm includes the first regulating arm and the first hinged seat;The one of first regulating arm
End is equipped with support base;The other end of first regulating arm is detachably connected with the first hinged seat;First hinged seat is hinged
It is connected to the bottom of the first body frame bar;Second support arm includes the second regulating arm and the second hinged seat;Described second is adjusted
One end of arm is equipped with support base;The other end of second regulating arm is detachably connected with the second hinged seat;Described second is hinged
Seat is hingedly connected to the center bottom of guide rail.
Further, the one side wall of the climbing frame fixing seat back to the first body frame bar is welded and connected with fixed plate;It is described solid
There are two fixed board is set, two fixed plates are arranged in parallel with the first body frame bar;The bottom of the fixed plate is equipped with limiting slot;Institute
It states and offers the first pin hole and the second pin hole in guide rail fixing seat;First pin hole matches connection with limiting slot;Described second
Pin hole matches connection with set pin sleeve.
Further, the first directive wheel is equipped in the opposite two side walls of described two fixed plates;Two described first
The side plate of directive wheel and guide rail rolls connection.
Further, the inner wall of the track groove is equipped with the second directive wheel;Second directive wheel and guide rail it is another
Side plate rolls connection.
Further, the limiting device includes lifting pin and reset spring;The top of the lifting pin is equipped with and positioning
The matched groove of guide;The middle part of the lifting pin is equipped with fixed block;The connection of one end of the fixed block and reset spring;It is described
The other end of reset spring is connected on the upper surface of guide rail fixing seat;The bottom of the lifting pin is hingedly connected to guide rail and fixes
On seat.
Compared with prior art, the utility model have it is following the utility model has the advantages that
(1) the utility model carries out the guiding of guide rail using the first directive wheel and the second directive wheel, avoids guide rail and guide rail
Occur larger friction between fixing seat, the service life of guide rail is effectively ensured.The fixation in transverse direction is carried out to guide rail simultaneously, is prevented
It is deviated during jacking, the efficiency of guide rail jacking is effectively ensured.
(2) guide rail is equipped with set pin sleeve, and the upper surface of guide rail fixing seat is equipped with lifting pin and determines set pin sleeve
Position, prevent whereabouts of guide rail during jacking, have safety higher, while guide rail fixing seat be equipped with the second pin hole with
Set pin sleeve matching connection, carries out dual fixation to guide rail, guarantees the stability of guide rail.Fixed plate is equipped with limiting slot and guide rail is solid
Reservation is equipped with the first pin hole and carries out matching connection, and climbing frame fixing seat is fixed, and realizes that climbing frame is jacked with guide rail substep,
In the case where guaranteeing safety higher, construction efficiency and save the cost are effectively improved.
(3) first support arms and the second support arm carry out cross-brace to the first body frame bar and guide rail respectively and fix, and prevent
First body frame bar and guide rail, which are affected by the wind, to be occurred rocking and shake, and the safety of device is effectively ensured;Both for adjustable
Setting is easy to implement separation or support with exterior wall and fixes.It effectively improves construction efficiency and guarantees the stability of climbing frame entirety.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the top view of climbing frame fixing seat, guide rail and guide rail fixing seat in junction;
Fig. 3 is the side view of climbing frame fixing seat, guide rail and guide rail fixing seat in junction;
Fig. 4 is the partial enlarged view in Fig. 3 at A;
Fig. 5 is the structural schematic diagram of the first regulating arm;
Fig. 6 is the structural schematic diagram of the second regulating arm.
In figure: the first body frame bar 1, the second body frame bar 2, operating platform 3, the first support arm 4, track groove 5, climbing frame fixing seat
6, crossbeam 7, lifting pin 8, hydraulic lifting system 9, guide rail fixing seat 10, locating sleeve 11, guide rail 12, the second directive wheel 13, the
One directive wheel 14, fixed plate 15, the second pin hole 16, Commutating box 17, the first pin hole 18, the second hinged seat 19, the first hinged seat 20,
First regulating arm 21, the second regulating arm 22, reset spring 23, the second support arm 24.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment 1
As shown in Figures 1 to 6, a kind of fluid pressure type fragment climbing frame, is mounted on the exterior wall of floor, including climbing frame frame section and
Hydraulic climbing portion;
Climbing frame frame section includes the first body frame bar 1, crossbeam 7, the second body frame bar 2 and operating platform 3.First body frame bar, 1 He
Second body frame bar 2 is equipped with several, and is built in sections by square steel tube;On first body frame bar 1 and the second body frame bar 2 between equalization
Away from offering several bolts hole.One end of crossbeam 7 is bolted in the one side wall of the first body frame bar 1, the other end of crossbeam 7
It is bolted in the corresponding one side wall of the second body frame bar 2, for laterally fixing the first body frame bar 1 and the second body frame bar 2.Operation
Platform 3 is bolted to the upper surface of crossbeam 7.The one side wall bottom of first body frame bar 1 back to crossbeam 7 is hingedly connected with first
Brace 4;First support arm 4 includes the first regulating arm 21 and the first hinged seat 20;One end of first regulating arm 21 is equipped with support base;
The other end of first regulating arm 21 is detachably connected with the first hinged seat 20;First hinged seat 20 is hingedly connected to the first body frame bar
1 bottom.Climbing frame frame section can be fixed on exterior wall by adjusting the first regulating arm, climbing frame is prevented to be affected by the wind appearance
It rocks, the stability and safety of climbing frame is effectively ensured.
The one side wall top bolt of first body frame bar 1 back to crossbeam 7 is connected with climbing frame fixing seat 6;Climbing frame fixing seat 6 back to
The one side wall of first body frame bar 1 is welded and connected with fixed plate 15;There are two fixed plate 15 is set, two fixed plates 15 are main with first
Hack lever 1 is arranged in parallel;The first directive wheel 14 is equipped in the opposite two side walls of two fixed plates 15;Two the first directive wheels 14
It rolls and connects with the side plate of guide rail 12, guide rail 12 is oriented to by the first directive wheel 14, while guide rail 12 can be reduced
Friction between the first body frame bar 1, effectively improves the service life of guide rail.The bottom of fixed plate 15 is equipped with limiting slot;It leads
The first pin hole 18 and the second pin hole 16 are offered in rail fixing seat 10;First pin hole 18 and limiting slot pin connection, by using holding
Pin is attached again, is carried out position restriction to climbing frame fixing seat 6, is prevented the limiting slot of fixed plate 15 from separating with bearing pin, in turn
Guarantee whole safety.Climbing frame is fixed, while also needing to carry the weight of climbing frame, climbing frame can be prevented in work shape
Occur gliding under state or fall off, effectively guarantees climbing frame safety.
The bottom bolts of climbing frame fixing seat 6 are connected with hydraulic lifting system 9;Hydraulic lifting system 9 includes jacking hydraulic oil
Cylinder and Commutating box 17;There are two Commutating box 17 is set, it is respectively fixedly connected at the both ends of jack-up hydraulic ram;Two Commutating boxs 17 are equal
Matching is connected on guide rail 12, is commutated on guide rail 12 to jack-up hydraulic ram by Commutating box 17, is passed through Commutating box 17
The rising of climbing frame or the rising of guide rail 12 are realized on guide rail 12.
Hydraulic climbing portion includes guide rail fixing seat 10 and guide rail 12;The one side wall of guide rail fixing seat 10 is bolted to exterior wall
On;The other side of guide rail fixing seat 10 is equipped with track groove 5;The inner wall of track groove 5 is equipped with the second directive wheel 13;Second directive wheel
13 roll with another side plate of guide rail 12 and connect.It is oriented to by another side wall of second directive wheel 13 to guide rail 12, simultaneously
Position restriction is carried out to guide rail 12 with the first directive wheel 14, prevents from occurring loosening when guide rail 12 rises or positional shift, in turn
Climbing frame overall stability is effectively ensured.
The top of guide rail fixing seat 10 is equipped with limiting device;Limiting device includes lifting pin 8 and reset spring 23;Lifting pin
8 top is equipped with and the matched groove of set pin sleeve 11;The middle part of lifting pin 8 is equipped with fixed block;Fixed block and reset spring 23
One end connection;The other end of reset spring 23 is connected on the upper surface of guide rail fixing seat 10;The bottom of lifting pin 8 hingedly connects
It connects in guide rail fixing seat 10.Position restriction is carried out to locating sleeve 11 by lifting pin 8, can effectively led guide rail 12
It is mobile that one direction is carried out in rail fixing seat 10, is effectively prevented guide rail downslide, is avoided the generation of uncertain factor.Guide rail 12 back to
The one side wall of first body frame bar 1 is welded and connected with side plate;There are two side plate is set, two side plates are arranged in parallel with guide rail 12;Two
Several set pin sleeves 11 are welded and connected between a side plate;Second pin hole 16 uses positioning pin connection with set pin sleeve 11, right
Guide rail carries out secondary position restriction, and the stability of guide rail 12 is effectively ensured in double insurance.Set pin sleeve 11 is matched with limiting device
Connection;The bottom of guide rail 12 is hingedly connected with the second support arm 24;Second support arm 24 includes the second regulating arm 22 and the second hinge
Joint chair 19;One end of second regulating arm 22 is equipped with support base;The other end of second regulating arm 22 and the second hinged seat 19 are detachable
Connection;Second hinged seat 19 is hingedly connected to the center bottom of guide rail 12.It can be by guide rail 12 by adjusting the second regulating arm 22
It is fixed between exterior wall;Before guide rail is risen, the support base for adjusting the second regulating arm 22 is separated with exterior wall, into
And the convenient jacking to guide rail 12;The support base that the second regulating arm 22 is adjusted after jacking is fixed with exterior wall, prevents from leading
Rail 12 deviates, and guarantees safety of the guide rail 12 under climbing frame working condition.
Embodiment 2
As shown in Figures 1 to 6, when climbing frame is integrally jacked, adjusting the second regulating arm 22 separates support base with exterior wall,
It extracts positioning pin and starts hydraulic lifting system, the limiting slot in fixed plate 15 and bearing pin are in tightening state, jack hydraulic
The Commutating box 17 of oil cylinder bottom is locked with guide rail 12 when jack-up hydraulic ram is jacked to bottommost, when recycling hydraulic stem to leading
Rail 12 is jacked;The first directive wheel 14 and the second directive wheel 13 are oriented to guide rail simultaneously;Lifting pin 8 receives reset spring
23 effect limits set pin sleeve 11, prevents guide rail 12 from gliding.When guide rail 12 jack to target location, make
Guide rail is positioned through the second pin hole 16 and set pin sleeve 11 with positioning pin, while adjusting the second regulating arm 22 to make support base
It is fixed with exterior wall.
It when the jacking of climbing frame, adjusts the first support arm 21 and separates support base with exterior wall, extract bearing pin and start liquid simultaneously
Press jack-up system;Guide rail 12 and guide rail fixing seat 10 are in tightening state, the Commutating box 17 and guide rail of jack-up hydraulic ram bottom
12 is locked, locked with guide rail 12 when the Commutating box 17 when top reaches top;The Commutating box 17 of bottom is separated with guide rail 12, top
The hydraulic stem for rising hydraulic cylinder jacks climbing frame in removal process, when reaching target location, is inserted into bearing pin and adjusts
Support base is fixed with exterior wall when saving the first support arm 21, that is, completes the jacking of climbing frame entirety.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this.The substitution can be the substitution of part-structure, device, method and step, be also possible to complete technical solution.Root
It is subject to equivalent substitution or change according to the technical solution of the utility model and its utility model design, should all covers in the utility model
Protection scope within.
Claims (7)
1. a kind of fluid pressure type fragment climbing frame, is placed on the exterior wall of floor, which is characterized in that including climbing frame frame section and hydraulic climbing
Portion;
The climbing frame frame section includes the first body frame bar (1), crossbeam (7), the second body frame bar (2) and operating platform (3);The cross
One end of beam (7) is bolted in the one side wall of the first body frame bar (1), and the other end of the crossbeam (7) is bolted to
In the corresponding one side wall of two body frame bars (2);The one side wall bottom of first body frame bar (1) back to the crossbeam (7) is hingedly connected with
First support arm (4);The one side wall top bolt of first body frame bar (1) back to the crossbeam (7) is connected with climbing frame fixing seat
(6);The bottom bolts of the climbing frame fixing seat (6) are connected with hydraulic lifting system (9);The hydraulic lifting system (9) includes
Jack-up hydraulic ram and Commutating box (17);The Commutating box (17) is respectively fixedly connected with there are two setting in jack-up hydraulic ram
Both ends;The operating platform (3) is bolted to the upper surface of crossbeam (7);
The hydraulic climbing portion includes guide rail fixing seat (10) and guide rail (12);The one side wall bolt of the guide rail fixing seat (10)
It is connected on exterior wall;The other side of the guide rail fixing seat (10) is equipped with track groove (5);The top of the guide rail fixing seat (10)
Equipped with limiting device;The guide rail (12) is slidably connected in track groove (5), and the one side wall of the guide rail (12) is welded to connect
There is side plate;There are two the side plate is set, two side plates are arranged in parallel with guide rail (12);It is welded to connect between two side plates
There are several set pin sleeves (11);The set pin sleeve (11) matches connection with limiting device;It cuts with scissors the bottom of the guide rail (12)
It is connected to the second support arm (24) in succession;
Two Commutating boxs (17), which match, to be connected on guide rail (12);The climbing frame fixing seat (6) and guide rail fixing seat
(10) it is detachably connected.
2. a kind of fluid pressure type fragment climbing frame according to claim 1, which is characterized in that the first body frame bar (1) and
Two body frame bars (2) are equipped with several, and are built in sections by square steel tube;The first body frame bar (1) and the second body frame bar (2)
On equidistantly offer several bolts hole.
3. a kind of fluid pressure type fragment climbing frame according to claim 1, which is characterized in that first support arm (4) includes
First regulating arm (21) and the first hinged seat (20);One end of first regulating arm (21) is equipped with support base;Described first adjusts
The other end of joint arm (21) is detachably connected with the first hinged seat (20);It is main that first hinged seat (20) is hingedly connected to first
The bottom of hack lever (1);Second support arm (24) includes the second regulating arm (22) and the second hinged seat (19);Described second adjusts
One end of joint arm (22) is equipped with support base;The other end of second regulating arm (22) detachably connects with the second hinged seat (19)
It connects;Second hinged seat (19) is hingedly connected to the center bottom of guide rail (12).
4. a kind of fluid pressure type fragment climbing frame according to claim 1, which is characterized in that the climbing frame fixing seat (6) back to
The one side wall of first body frame bar (1) is welded and connected with fixed plate (15);There are two the fixed plate (15) sets, two fixed plates
(15) it is arranged in parallel with the first body frame bar (1);The bottom of the fixed plate (15) is equipped with limiting slot;The guide rail fixing seat
(10) the first pin hole (18) and the second pin hole (16) are offered on;First pin hole (18) matches connection with limiting slot;It is described
Second pin hole (16) matches connection with set pin sleeve (11).
5. a kind of fluid pressure type fragment climbing frame according to claim 4, which is characterized in that described two fixed plates (15) are opposite
Two side walls on be equipped with the first directive wheel (14);The side plate of two first directive wheels (14) and guide rail (12) rolls
Connection.
6. a kind of fluid pressure type fragment climbing frame according to claim 1, which is characterized in that on the inner wall of the track groove (5)
Equipped with the second directive wheel (13);Another side plate of second directive wheel (13) and guide rail (12), which rolls, to be connected.
7. a kind of fluid pressure type fragment climbing frame according to claim 1, which is characterized in that the limiting device includes lifting pin
(8) and reset spring (23);The top of the lifting pin (8) is equipped with and set pin sleeve (11) matched groove;The lifting pin
(8) middle part is equipped with fixed block;The fixed block is connect with the one end of reset spring (23);The reset spring (23) it is another
End is connected on the upper surface of guide rail fixing seat (10);The bottom of the lifting pin (8) is hingedly connected to guide rail fixing seat (10)
On.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920180541.5U CN209670309U (en) | 2019-01-28 | 2019-01-28 | A kind of fluid pressure type fragment climbing frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920180541.5U CN209670309U (en) | 2019-01-28 | 2019-01-28 | A kind of fluid pressure type fragment climbing frame |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209670309U true CN209670309U (en) | 2019-11-22 |
Family
ID=68568268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920180541.5U Active CN209670309U (en) | 2019-01-28 | 2019-01-28 | A kind of fluid pressure type fragment climbing frame |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209670309U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111258388A (en) * | 2020-01-20 | 2020-06-09 | 北京韬盛科技发展有限公司 | Intelligent main control box special for climbing frame |
-
2019
- 2019-01-28 CN CN201920180541.5U patent/CN209670309U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111258388A (en) * | 2020-01-20 | 2020-06-09 | 北京韬盛科技发展有限公司 | Intelligent main control box special for climbing frame |
CN111258388B (en) * | 2020-01-20 | 2021-03-30 | 北京韬盛科技发展有限公司 | Intelligent main control box special for climbing frame |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN212246130U (en) | Lifting platform for electric power overhaul vehicle | |
CN209670309U (en) | A kind of fluid pressure type fragment climbing frame | |
CN201439639U (en) | multifunctional scaffold | |
CN212198412U (en) | Scaling ladder device for power equipment maintenance | |
CN218815114U (en) | Novel building scaffold | |
CN207858171U (en) | Steel-pipe pile welds misalignment amount adjusting apparatus | |
CN206035360U (en) | Novel prune with ladder in multi -functional gardens | |
CN209948898U (en) | Rotor brake ring plate assembly and disassembly tools | |
CN205129244U (en) | Truss welding template | |
CN205709764U (en) | A kind of well cover opening device | |
CN201027505Y (en) | Rail-mounted oil tube tackle device | |
CN205637652U (en) | Quartering hammer rotates adjusts support | |
CN102976240A (en) | Manned lifting platform car | |
CN213598111U (en) | Dismounting device for small access door of draft tube of water turbine | |
CN216949438U (en) | But telescopic well protection platform is with quick assembly disassembly's limit footboard | |
CN210550564U (en) | Special device for disassembling and assembling oil cylinder | |
CN214399700U (en) | Maintenance platform with adjustable large-scale machinery | |
CN216305324U (en) | Construction platform ladder for building | |
CN205448704U (en) | Walking beam formula heating furnace and lifting wheel rises device with having assisted thereof | |
CN104533280A (en) | Drill hole booster for handheld water drill | |
CN219219739U (en) | Externally hung scaffold of steel platform | |
CN204754186U (en) | Building templates bolster structure | |
CN220279541U (en) | Disassembling tool for gate internode connecting plate | |
CN219808944U (en) | Replaceable climbing device for polygonal steel pipe pole | |
CN214302768U (en) | Girder four sides shaping moving platform |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |