CN210798250U - Electric power iron tower overhauls uses portable operation platform - Google Patents
Electric power iron tower overhauls uses portable operation platform Download PDFInfo
- Publication number
- CN210798250U CN210798250U CN201921614501.3U CN201921614501U CN210798250U CN 210798250 U CN210798250 U CN 210798250U CN 201921614501 U CN201921614501 U CN 201921614501U CN 210798250 U CN210798250 U CN 210798250U
- Authority
- CN
- China
- Prior art keywords
- plates
- iron tower
- bearing part
- electric power
- operating platform
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 58
- 238000012423 maintenance Methods 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 17
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 10
- 239000004917 carbon fiber Substances 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a portable operating platform for electric power iron tower maintenance, which comprises a bearing part, a supporting part, a guardrail, a suspension part and a fixing part; the bearing part is formed by connecting three plates into a whole through a hinge, the supporting part is formed by two plates with grooves in the middle, the two plates are mutually perpendicular and fixed on the two sides of the bearing part, the upper end of the bearing part is also connected with a guardrail, the guardrail consists of a supporting column and a telescopic grid plate, the suspension part consists of a steel wire rope, a hanging ring, a hook and a supporting block and is used for suspending the bearing part, and the fixing part consists of a fixing pin and a canvas belt and is used for fixing the whole operating platform on an iron tower. The utility model discloses wholly can dismantle and fold, carry the transportation convenience, can stand the construction on the platform at high altitude operating personnel, can ensure construction safety, reduce intensity of labour, improve labor efficiency.
Description
Technical Field
The utility model relates to an electric power overhauls technical field, concretely relates to electric power iron tower overhauls uses portable operation platform.
Background
In the electric power overhaul industry, the daily maintenance and overhaul work of the iron tower is very important, and the general inspection items of the iron tower include: the method comprises the following steps of checking the tightness of structural bolts on the iron tower, checking the iron tower in an antirust mode, checking lightning grounding, pulling a cable of a cable pulling tower, checking the stress condition of a ground anchor, checking the structural deformation and foundation settlement condition and the like. The problems of iron tower corrosion, tower part loss, excessive verticality and the like which influence the safety of the iron tower and are found in inspection are immediately treated.
The iron tower is built by angle steel, the height of the iron tower is divided according to terrain, span and voltage grade, usually 500KV is 25-30 meters, 220KV is about 20 meters, 110KV is about 15 meters, and 35KV is 9-15 meters below. Equipment on the iron tower is higher from ground usually, when carrying out the iron tower and maintaining, all is certain maintenance position on artifical bare-handed climbing to the iron tower usually, reachs and overhauls the position after, because do not have sufficient place of standing, singly lean on the crossbeam on safety belt and the iron tower to be connected, owing to still need operating personnel to carry maintenance equipment, therefore the actual operation risk is very big.
At present, the following disadvantages exist in the existing iron tower maintenance:
1. when the iron tower is overhauled, the operating personnel sole skids or the gravity center is unstable and leads to the emergency that the health inclines, leads to the staff to fall, causes the health damage.
2. Because of the electric power overhauls and need carry multiple dedicated supplementary maintenance instrument, the instrument is numerous and diverse and have certain weight, leads to maintainer to move inconvenience on the iron tower, lacks safeguard procedures again, has certain risk during the operation, threatens personnel's safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a collapsible portable and portable electric power iron tower of quality overhauls uses portable operation platform is provided to can wholly dismantle with folding by the expectation, carry the transportation convenience, be convenient for use on high altitude electric power iron tower, and can ensure construction safety, reduce intensity of labour, improve labor efficiency.
The utility model discloses a reach above-mentioned utility model purpose, adopt following technical scheme to realize:
the utility model relates to an electric power iron tower overhauls with portable operation platform's characteristics include: the device comprises a bearing part, a supporting part, a guardrail, a suspension part and a fixing part;
the bearing part is composed of n plates, every two adjacent plates are connected through hinges, and anti-skid grains are uniformly distributed on the upper end faces of the n plates;
the supporting component is composed of two plates with grooves in the middle, the two plates are mutually perpendicular to form an L-shaped structure and fixed on the side part of the bearing component through the grooves to form an L-shaped edge;
the guardrail consists of two support columns and a telescopic grid plate, the two support columns are fixed on the support part, and the telescopic grid plate is arranged between the two support columns, so that a shielding structure is formed on the bearing part without an L-shaped edge;
the telescopic grid plate is formed by sequentially connecting a plurality of telescopic units, each telescopic unit is formed by mutually crossing two strip-shaped connecting rods and is fixed at the crossing center through a pin shaft, and two adjacent telescopic units are fixed through pin shafts at two ends;
the suspension part is composed of a steel wire rope, a hanging ring, a hook and a supporting block, wherein one end of the hanging ring is provided with threads and is fixed on the supporting block, the other end of the hanging ring is of a circular ring structure, one end of the steel wire rope penetrates through a circular ring of the hanging ring, the other end of the steel wire rope is connected with the hook, the hook can be hung on a cross beam of the iron tower, a through groove is formed in the supporting block, and the through groove is embedded in one end of the;
the fixing part is composed of a connecting pin and a canvas belt, one end of the connecting pin is fixed on an L-shaped wrapping edge of the bearing part through threads, the other end of the connecting pin is of a circular ring structure, and the canvas belt penetrates through a circular ring of the connecting pin and binds and fixes the whole operating platform on the iron tower through the canvas belt.
An electric power iron tower overhauls also lies in with portable operation platform's characteristics, n piece panel that bears part is carbon fiber material, and the thickness of panel is 10mm ~ 15 mm.
The three plates of the bearing part are made of aluminum, and the thickness of the plates is 15-20 mm.
The hinge material of the bearing part is alloy steel, and the thickness of the hinge is 5 mm-10 mm.
The material of the supporting component is aluminum or carbon fiber material.
The end part of the ring of the connecting pin of the fixing part faces downwards, and the height of the connecting pin exceeds the thickness of a cross beam of the iron tower, so that a canvas belt can conveniently penetrate through the connecting pin to be bound on the cross beam of the iron tower.
The height of the guardrail is 0.8-1.5 m.
The guardrail has two, fixes respectively in the unsettled both sides of bearing part.
The end part enclosed by the bearing part and the supporting part is provided with a notch.
And the guardrail is also provided with a photosensitive LED lamp strip.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
the utility model discloses fold at ordinary times together, can install together fast during the use, and need not with the help of other operation tools, reach at ordinary times transportation and store not occupation space, expand during the use, make operating space great, high altitude construction personnel can stand and construct on operation platform, and overall structure sets up and makes the platform atress even, and has the effect of antiskid and guardrail interception, effectively prevents that operating personnel from unexpected slipping and falling, has improved the security, has higher safety protection nature; and can be suitable for various forms of electric power iron towers and communication iron towers.
Drawings
Fig. 1 is a schematic structural view of the portable operating platform for electric power iron tower maintenance of the present invention;
fig. 2 is a bottom view of the portable operation platform for electric power iron tower maintenance of the present invention;
fig. 3 is a schematic view of the guardrail structure of the portable operating platform for electric power iron tower maintenance of the utility model;
fig. 4 is a schematic structural view of a suspension component of the portable operating platform for electric power iron tower maintenance of the present invention;
fig. 5 is a schematic structural view of a fixed part of the portable operating platform for electric power iron tower maintenance of the present invention;
fig. 6 is a schematic view of the portable operating platform for electric power iron tower maintenance installed on an iron tower;
reference numbers in the figures: the steel wire rope comprises a bearing part 1, a supporting part 2, a guardrail 3, a supporting column 3-1, a telescopic grid plate 3-2, a connecting rod 3-2a, a pin shaft 3-2b, a suspension part 4-1, a steel wire rope 4-2, a lifting ring 4-3, a hook 4-4, a supporting block 5, a fixing part 5-1, a connecting pin 5-2, a canvas belt 5-2 and a steel tower 6.
Detailed Description
In this embodiment, as shown in fig. 1 and 2, a portable operating platform for electric power iron tower maintenance includes: the bearing part 1, the supporting part 2, the guardrail 3, the suspension part 4 and the fixing part 5;
the bearing part 1 is composed of 3 plates, two adjacent plates are connected through hinges, and anti-skid lines are uniformly distributed on the upper end faces of the three plates; so set up, three panel accessible hinges are fixed, and the panel accessible hinges on both sides rotate, fold to together, have the decorative pattern on the panel, and the people stands on panel, can increase frictional force, prevents that the people from slipping.
In a specific implementation, the n plates of the bearing component 1 are made of carbon fiber materials, and the thickness of the plates is 10mm to 15mm, and preferably 10mm in the embodiment. This is because the carbon fiber material has much higher strength than the general aluminum material and is lighter in weight. Carbon fiber sheets of this thickness can withstand a weight of at least 500 kilograms without breaking.
The material of the n plates of the bearing component 1 can also be aluminum, and the thickness of the plates is 15mm to 20mm, and the thickness of the plates is preferably 6mm in the embodiment. Aluminum plates of this thickness can withstand a weight of at least 500 kg without breaking.
The hinge material of the carrier part 1 may also be an alloy steel, the thickness of the hinge being 5mm to 10mm, which hinge can withstand a weight of at least 500 kg without breaking.
The supporting part 2 is made of aluminum or carbon fiber materials and is composed of two plates with grooves in the middle, the two plates are mutually perpendicular to form an L-shaped structure and are fixed on the side part of the bearing part 1 through the grooves to form an L-shaped edge; and the end part enclosed by the bearing part 1 and the supporting part 2 is provided with a gap, so that the gap is used for accommodating a vertical supporting beam of the iron tower. The support member 2 serves to improve the strength of the bearing member and to fix the bearing member.
As shown in fig. 3, the guardrail 3 is composed of two support columns 3-1 and a retractable grid plate 3-2, and is fixed on the support part 2 by the two support columns 3-1; a telescopic grid plate 3-2 is arranged between the two support columns 3-1, so that a shielding structure is formed on the bearing part 1 without the L-shaped edge; the retractable grid plate 3-2 is formed by sequentially connecting a plurality of retractable units, two ends of the retractable grid plate 3-2 are fixed on two support columns 3-1, each retractable unit is formed by mutually crossing two strip-shaped connecting rods 3-2a with the thickness of 5mm and is fixed at the crossing center through a pin shaft 3-2b, the connecting rods 3-2a are made of carbon fibers, through holes are formed in two ends of each connecting rod 3-2a at the upper end of the bearing part 1, the latter retractable unit is connected with the former retractable unit through the through holes in two ends of each connecting rod 3-2a and fixed through the pin shafts 3-2b, namely, two adjacent retractable units are fixed through the pin shafts 3-2b at two ends; so that the retractable grid plate 3-2 can be contracted and elongated; the guardrail is convenient to fold and space-saving, and the guardrail plays the purpose of protecting constructors, if no guardrail protection exists, the constructors cannot stand stably on the bearing part, and the constructors are likely to fall off from the bearing part and hurt. Compared with the guard rail formed by enclosing other solid plates, the structure has the advantages of light weight and less material consumption. In specific implementation, the height of the guardrail 3 is 0.8-1.5 m, and the preferred height of the embodiment is 1m, so that personnel can be effectively protected, the height is too high, materials are wasted, space is occupied, and the height is too low, so that the purpose of protecting personnel cannot be achieved. The two guardrails 3 are respectively fixed at the two suspended sides of the bearing part 1. The supporting beams on the iron towers are arranged on the other two sides of the bearing part, so that the effect similar to guardrail protection is achieved, and the guardrail does not need to be added. In the concrete implementation, still have photosensitive LED lamp area on guardrail 3, can make this operation platform have the illumination function, can work at night.
As shown in fig. 4, the suspension part 4 is composed of a steel wire rope 4-1, a hanging ring 4-2, a hook 4-3 and a supporting block 4-4, one end of the hanging ring 4-2 is provided with threads and fixed on the supporting block 4-4, the other end of the hanging ring 4-2 is in a ring structure, one end of the steel wire rope 4-1 passes through the ring of the hanging ring 4-2, the other end of the steel wire rope 4-1 is connected with the hook 4-3, the hook 4-3 is used for being hung on a cross beam of an iron tower, and the supporting block 4-4 is internally provided with a through groove and is embedded at one end of the bearing part 1 for hanging the; the suspension component is arranged, so that the stress condition of the bearing component is greatly improved, and the bearing component is uniformly stressed.
As shown in fig. 5, the fixing part 5 is composed of a connecting pin 5-1 and a canvas belt 5-2, after the bearing part 1 is placed on the supporting part 2, the connecting pin 5-1 penetrates through two plates of the supporting part 2 and the bearing part 1 embedded in a groove of the plates to fix the bearing part 1 and prevent the bearing part 1 from moving, one end of the connecting pin 5-1 is fixed on an 'L' -shaped wrapping edge of the bearing part 1 through threads, the other end of the connecting pin 5-1 is of a ring structure, the canvas belt 5-2 penetrates through a ring of the connecting pin 5-1, and the whole operation platform is bound and fixed on the iron tower through the canvas belt 5-2. In specific implementation, the end part of a circular ring of a connecting pin 5-1 of the fixing part 5 faces downwards, and the height of the circular ring exceeds the thickness of a cross beam of an iron tower, so that a canvas belt 5-2 can penetrate through the connecting pin 5-1 to be bound on the cross beam of the iron tower conveniently; the fixing part 5 serves to fix the carrier part and the entire operating platform to the tower.
The working principle of the utility model is as follows: in normal times, the three plates of the bearing part 1 are folded together, the guardrail 3 is also folded together, and the folded bearing part 1 and guardrail 3 are placed together with the suspension part 4, the support part 2 and the fixing part 5.
As shown in fig. 6, in use, the two sheets of the support member 2 are mounted perpendicular to each other on both sides of the carrier member 1, the carrier member 1 is then fixed to the support member 2 by means of the fixing member 5, the suspension member 4 is mounted at one end of the support member 2, the fixed bearing part 1 and the fixed supporting part 2 are pulled to the designated position of the iron tower through the suspension part 4, one end gaps of the bearing part 1 and the supporting part 2 face a vertical supporting beam of the iron tower, two plates of the supporting part 2 are respectively erected on a cross beam of the iron tower, the bearing part 1 and the supporting part 2 are fixed on the iron tower through a canvas belt 5-2 on the fixing part 5, a hook 4-2 of the suspension part 4 is hung on the supporting beam of the iron tower, two guardrails 3 are installed at the upper end of the bearing part 1, and the stretching length of the guardrails 3 is adjusted according to the size of the bearing part 1. Thus, the installation of the operation platform is completed. An operator may place construction equipment on the load bearing member 1, and the operator may stand on the load bearing member 1 for construction. The operation platform of the embodiment can bear a weight of 500 kilograms without breaking.
Another preferred embodiment of the portable operating platform for overhauling the electric power iron tower is basically the same as the previous embodiment, and the only difference is that the material of the three plates of the bearing part 1 is replaced by carbon fiber, and the thickness of the plates is 15 mm-20 mm. This embodiment is preferably 15 mm. The operation platform can bear a weight of 500 kilograms without breaking.
Claims (10)
1. The utility model provides an electric power iron tower overhauls uses portable operation platform which the characterized in that includes: the device comprises a bearing part (1), a supporting part (2), a guardrail (3), a suspension part (4) and a fixing part (5);
the bearing part (1) is composed of n plates, every two adjacent plates are connected through hinges, and anti-skid lines are uniformly distributed on the upper end faces of the n plates;
the supporting part (2) is composed of two plates with grooves in the middle, the two plates are mutually perpendicular to form an L-shaped structure and are fixed on the side part of the bearing part (1) through the grooves to form an L-shaped edge;
the guardrail (3) is composed of two support columns (3-1) and a telescopic grid plate (3-2), and is fixed on the support part (2) through the two support columns (3-1), the telescopic grid plate (3-2) is arranged between the two support columns (3-1), and therefore a shielding structure is formed on the bearing part (1) without the L-shaped edge covering part;
the telescopic grid plate (3-2) is formed by sequentially connecting a plurality of telescopic units, each telescopic unit is formed by mutually crossing two strip-shaped connecting rods (3-2a) and is fixed at the crossing center through a pin shaft (3-2b), and two adjacent telescopic units are fixed through pin shafts (3-2b) at two ends;
the suspension part (4) is composed of a steel wire rope (4-1), a lifting ring (4-2), a hook (4-3) and a supporting block (4-4), one end of the lifting ring (4-2) is provided with threads and is fixed on the supporting block (4-4), the other end of the lifting ring (4-2) is of a circular ring structure, one end of the steel wire rope (4-1) penetrates through a circular ring of the lifting ring (4-2), the other end of the steel wire rope (4-1) is connected with the hook (4-3), the hook (4-3) can be hung on a cross beam of an iron tower, a through groove is formed in the supporting block (4-4), and the through groove is embedded at one end of the bearing part (1) and used for suspending the bearing;
the fixing part (5) is composed of a connecting pin (5-1) and a canvas belt (5-2), one end of the connecting pin (5-1) is fixed on an L-shaped edge of the bearing part (1) through threads, the other end of the connecting pin (5-1) is of a circular ring structure, the canvas belt (5-2) penetrates through a circular ring of the connecting pin (5-1), and the whole operation platform is bound and fixed on the iron tower through the canvas belt (5-2).
2. The portable operating platform for overhauling the electric iron tower as claimed in claim 1, wherein n plates of the bearing part (1) are made of carbon fiber materials, and the thickness of the plates is 10 mm-15 mm.
3. The portable operating platform for overhauling the electric iron tower as claimed in claim 1, wherein the three plates of the bearing part (1) are made of aluminum, and the thickness of the plates is 15 mm-20 mm.
4. The portable operating platform for overhauling the electric iron tower as claimed in claim 1, wherein the hinge material of the bearing part (1) is alloy steel, and the thickness of the hinge is 5 mm-10 mm.
5. A portable operating platform for electric power tower maintenance according to claim 1, characterized in that the material of the support member (2) is aluminum or carbon fiber material.
6. A portable operating platform for electric power tower maintenance according to claim 1, characterized in that the ends of the rings of the connecting pins (5-1) of the fixing part (5) are directed downwards and the height exceeds the thickness of the cross beam of the tower, facilitating the binding of the canvas belt (5-2) on the cross beam of the tower through the connecting pins (5-1).
7. The portable operating platform for electric power iron tower maintenance according to claim 1, characterized in that the height of the guardrail (3) is 0.8 m-1.5 m.
8. A portable operating platform for electric power tower maintenance according to claim 7, characterized in that two of said guardrails (3) are fixed on the two suspended sides of the carrying member (1).
9. A portable operating platform for electric power tower maintenance according to claim 1, characterized in that the ends enclosed by the carrying part (1) and the supporting part (2) are provided with notches.
10. The portable operating platform for electric power iron tower maintenance according to claim 1, 7 or 8, characterized in that the guardrail (3) is further provided with a photosensitive LED lamp strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614501.3U CN210798250U (en) | 2019-09-25 | 2019-09-25 | Electric power iron tower overhauls uses portable operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614501.3U CN210798250U (en) | 2019-09-25 | 2019-09-25 | Electric power iron tower overhauls uses portable operation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210798250U true CN210798250U (en) | 2020-06-19 |
Family
ID=71229944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614501.3U Active CN210798250U (en) | 2019-09-25 | 2019-09-25 | Electric power iron tower overhauls uses portable operation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210798250U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528852A (en) * | 2019-09-25 | 2019-12-03 | 国家电网公司 | Portable working platform is used in a kind of maintenance of electric power tower |
| CN113931427A (en) * | 2021-10-26 | 2022-01-14 | 中国电建集团贵州电力设计研究院有限公司 | Antenna bracket maintenance platform based on shared iron tower and use method thereof |
-
2019
- 2019-09-25 CN CN201921614501.3U patent/CN210798250U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528852A (en) * | 2019-09-25 | 2019-12-03 | 国家电网公司 | Portable working platform is used in a kind of maintenance of electric power tower |
| CN113931427A (en) * | 2021-10-26 | 2022-01-14 | 中国电建集团贵州电力设计研究院有限公司 | Antenna bracket maintenance platform based on shared iron tower and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210798250U (en) | Electric power iron tower overhauls uses portable operation platform | |
| EP2505834A2 (en) | Maintenance platform | |
| CN105586832A (en) | Suspension type catwalk surface net mounting system | |
| CN201580865U (en) | Anti-dropping device for assembling and disassembling of material elevator frame body | |
| CN203895813U (en) | Power transformer equipment maintenance rack | |
| CN206320604U (en) | A kind of high-altitude illuminator | |
| CN109256721A (en) | A kind of helicopter live-line maintenance operation hanging basket | |
| CN115492390B (en) | Construction process of support system of ultra-long overhanging corridor bailey frame | |
| CN110528852A (en) | Portable working platform is used in a kind of maintenance of electric power tower | |
| CN215212240U (en) | Overhanging type horizontal protection shed for high-rise building construction | |
| CN213596814U (en) | Movable three-dimensional crossing type multipurpose suspension bridge construction platform | |
| CN115306137A (en) | Operation platform structure for mounting suspended ceiling at bottom of overhead corridor and construction method thereof | |
| CN109378767A (en) | A kind of lifting engineering method of hoist engine to skyscraper electricity well inner cable | |
| CN205591115U (en) | Suspension type catwalk veil installing the system | |
| CN209618724U (en) | A kind of swing arm tower crane promotion foot guard device certainly | |
| CN203345999U (en) | Special multifunctional lifting frame for busbar bridge | |
| CN201261939Y (en) | Overhead vehicle for construction | |
| CN207209896U (en) | A kind of large-scale dismountable lower end axle inspection platform | |
| CN203319620U (en) | Portable jack | |
| CN207314891U (en) | A kind of steel construction high-rise working safety belt safety rope branch hang device | |
| CN217298630U (en) | Integral type safety platform for construction of pad stone | |
| CN219998972U (en) | Cable bridge rack installation reinforcing apparatus | |
| CN213418440U (en) | Coating operation platform | |
| CN205529939U (en) | Bridge testing and maintenance platform of rope type | |
| CN218369137U (en) | Temporary placement equipment in prefabricated external wall panel field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |