CN114541725A - I-steel structure stand climbing device - Google Patents
I-steel structure stand climbing device Download PDFInfo
- Publication number
- CN114541725A CN114541725A CN202011337825.4A CN202011337825A CN114541725A CN 114541725 A CN114541725 A CN 114541725A CN 202011337825 A CN202011337825 A CN 202011337825A CN 114541725 A CN114541725 A CN 114541725A
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- China
- Prior art keywords
- steel structure
- seat
- shoe plate
- shaft hole
- structure stand
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- Pending
Links
- 230000009194 climbing Effects 0.000 title claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B27/00—Apparatus for climbing poles, trees, or the like
- A63B27/04—Climbing devices for profile poles attachable to the feet
-
- 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
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
-
- 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physical Education & Sports Medicine (AREA)
- Dentistry (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A column climbing device with an I-shaped steel structure comprises a climbing mechanism and a sitting and leaning mechanism which is installed and fixed on the climbing mechanism. The climbing mechanism comprises a left climbing mechanism and a right climbing mechanism which have the same structure; the right climbing mechanism comprises a concave chuck and a shoe plate which are integrally arranged, the shoe plate is fixed on the concave chuck, the rear part of the shoe plate is provided with a mounting seat, and a seat mechanism is arranged on the mounting seat. Concave type dop is equipped with the draw-in groove along its width direction, is equipped with the shaft hole along its width direction respectively in the both sides of draw-in groove, and the cross section in shaft hole is the excellent arc that has the breach, and the breach in shaft hole all is located the draw-in groove and sets up relatively, and the pivot is installed to shaft hole normal running fit, and the part that lies in the pivot outside corresponding shaft hole breach is provided with the grip block of bar respectively along the length direction of pivot. The rotary clamping plates are arranged at two ends of the clamping groove of the concave clamping head, so that the contact area and the friction force are large, and the safety is ensured; and the seat is arranged, so that the comfort level of workers in high-altitude operation is ensured.
Description
Technical Field
The invention relates to the technical field of steel structure building construction, in particular to an I-shaped steel structure upright column climbing device.
Background
In the steel structure building construction and routine maintenance process, the aerial work can not be avoided, and the measure expense required by the construction operation safety is great, and a working platform needs to be erected, so that the safety and the construction purpose can be guaranteed and effectively achieved. However, the working platform for high-altitude operation is complex in structure, low in construction speed and high in cost, and cannot be reused, and constructors often select self-made climbing shoes to climb the I-shaped steel structure stand columns in the steel structure building. Climbing shoes mostly adopt the thick steel plate to make, transversely seted up the draw-in groove in the one end of steel sheet, weld an arc upper of a shoe in the middle part of steel sheet. When the climbing shoe is used, the contact surface between the clamping groove and the I-shaped steel structure stand column is small, the tightness of the upper can not be adjusted, necessary anti-skidding measures are also lacked on the sole, the climbing shoe can easily slip off from the I-shaped steel structure stand column, the foot of a constructor can slip off from the climbing shoe, and certain danger is realized. Meanwhile, when workers work for a long time at high altitude, safety accidents are easy to happen because the workers do not have a rest and stand on the I-shaped steel structure upright posts for a long time.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art, and provides an I-shaped steel structure upright column climbing device, wherein clamping plates which can flexibly rotate are respectively arranged at two ends of a clamping groove of a concave clamping head, so that the device is prevented from sliding off an I-shaped steel structure upright column; the device is also provided with a seat, so that the comfort level of workers in high-altitude operation is ensured.
In order to achieve the purpose, the scheme is realized by the following technical scheme:
the utility model provides a I-steel structure stand climbing device, fixes the mechanism of leaning on of sitting in climbing mechanism, its characterized in that including climbing mechanism and installation: the climbing mechanism comprises a left climbing mechanism and a right climbing mechanism which are independent of each other, have the same structure and are arranged in a mirror image mode; the right climbing mechanism comprises a concave chuck and a shoe plate which are integrally arranged, the shoe plate is obliquely fixed on the rear side wall of the concave chuck, the rear part of the shoe plate is integrally connected with a mounting seat, and the seat mechanism is mounted on the mounting seat.
Further, concave type dop is equipped with the draw-in groove that is used for centre gripping I-steel structure stand along its width direction, is equipped with the shaft hole along its width direction respectively in the both sides of draw-in groove, and the cross section in shaft hole is the excellent arc that has the breach, and the breach in shaft hole all is located set up in the draw-in groove and relatively, and the pivot is installed to the interior normal running fit of shaft hole, and the part that lies in the pivot outside corresponding the shaft hole breach is provided with the grip block of bar respectively along the length direction of pivot.
Furthermore, the seat mechanism comprises a seat, a semi-surrounding protective guard is arranged on the seat, and a reinforced triangular support is fixedly arranged between the bottom of the seat and the mounting seat.
Furthermore, a baffle plate is arranged on the shoe plate at the rear side of the heel of a worker, and a sponge cushion is arranged on the inner edge of the baffle plate; corrugated anti-skid ribs are arranged on the top surface of the shoe plate at intervals.
Furthermore, the shoe plate is provided with uppers at the middle part and the rear part of the shoe plate, and the uppers comprise nylon belts with adjustable tightness.
Preferably, the shoe plate is made of a thick steel plate with the thickness of 2.5-3 cm; the width of the nylon belt is 8-10 cm.
Preferably, the cross section of the rotating shaft is circular, and the clamping plate is tangent to the rotating shaft.
Preferably, the opposite surfaces of the two clamping plates are respectively provided with an anti-skid rubber block.
Preferably, the clamping plate and the rotating shaft are fixed into a whole through welding.
Preferably, the mounting seat and the shoe plate are welded into a whole.
Compared with the prior art, the invention has the beneficial effects that:
1) the clamping grooves of the concave clamping heads are respectively provided with the flexibly rotating clamping plates at two ends, when the gravity center of a user falls at one end of the sole far away from the clamping grooves, the two clamping plates can be attached to the flange of the I-shaped steel structure stand column through rotation, so that the contact area and the friction force between the clamping plates and the flange of the I-shaped steel structure stand column are increased, and the device is prevented from sliding off the I-shaped steel structure stand column.
2) The device is also provided with a seat, a semi-surrounding protective guard is arranged on the seat, and the seat is fixed at the bottom of the seat through a reinforced triangular support, so that the comfort level of workers in high-altitude operation is ensured, and the safety of the workers is also ensured.
3) In order to avoid the feet of the user from slipping off the shoe plate, the tightness of the upper of the shoe can be improved, the rear side of the heel of a worker is also provided with a baffle plate, the inner edge of the baffle plate is provided with a sponge cushion, and the top surface of the shoe plate is provided with corrugated anti-slip ribs, so that the safety of the user is ensured, and the wearing comfort level is also improved.
In order that the invention may be more clearly understood, preferred embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall structure view from another perspective of the present invention;
FIG. 3 is a schematic structural view of a partial climbing mechanism of the present invention;
fig. 4 is an assembled schematic view of the seating mechanism of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 to 4, the device for climbing the i-beam structural upright comprises a climbing mechanism and a sitting mechanism fixed on the climbing mechanism, wherein the climbing mechanism is used for a worker to climb on the i-beam structural upright 90, and the sitting mechanism is used for the worker to rest on the i-beam structural upright 90.
Climbing mechanism includes mutually independent, the same and each other is left climbing mechanism an and right climbing mechanism b that the mirror image set up for the structure, and wherein right climbing mechanism b rear portion body coupling is provided with a mount pad c, installs on this mount pad c sit by the mechanism.
Furthermore, right climbing mechanism b, it is including concave dop 1 and the shoes board 2 of integrative setting, and shoes board 2 slope is fixed on the rear side wall of concave dop 1. The rear part of the shoe plate 2 is fixedly provided with the mounting seat c, and the mounting seat c is provided with a seat mechanism. In order to ensure the structural strength, the mounting seat c is welded with the shoe plate 2 into a whole in the embodiment.
The concave chuck 1 is provided with a clamping groove 3 for clamping an I-shaped steel structure upright post 90 along the width direction, two sides of the clamping groove 3 are respectively provided with a shaft hole along the width direction, and a rotating shaft 4 is rotatably matched and installed in the shaft holes; two the cross section in shaft hole is the excellent arc that has the breach, and the breach in shaft hole all is located draw-in groove 3 is interior and relative setting. The cross section of pivot 4 is circular, and the part that lies in outside the corresponding shaft hole breach on two pivots 4 is provided with bar grip block 5 along the length direction of pivot 4 respectively, and grip block 5 sets up with pivot 4 is tangent, and grip block 5 and pivot 4 are through welded fastening as an organic whole. When the device is used, the foot of an operator is lifted upwards, the device is driven to move upwards for a distance on the I-steel structure stand column 90, the foot of the operator steps on the device, the two clamping plates 5 rotate relatively under the action of the corresponding rotating shafts 4, and the gap between the two clamping plates 5 in the process is reduced, so that the device is stably clamped on the I-steel structure stand column 90.
Further, in order to increase the steadiness of two grip blocks 5 to the centre gripping of I-steel structure stand 90, this device is equipped with anti-skidding rubber block 6 respectively on the opposite face of two grip blocks 5.
The middle part and the rear part of the shoe plate 2 are provided with uppers, each upper comprises a nylon belt 7 with adjustable tightness, the width of the nylon belt 7 is 8-10cm, and two ends of the nylon belt 7 are fixed on the shoe plate 2. The tightness of the upper is adjustable, the shoe is suitable for the sizes of shoes worn by different workers, and the upper can firmly contain the shoes of the workers and has the anti-skidding function.
Further, a blocking plate 8 is further provided on the shoe plate 2 at the rear side of the heel of the worker, and the blocking plate 8 is used to prevent the foot of the wearer from slipping off the shoe plate 2. Meanwhile, in order to increase the comfort level, a spongy cushion is arranged on the inner edge of the baffle plate 8.
Further, in order to prevent the feet of the wearer from slipping off the shoe sole 1, corrugated anti-slip ribs are provided at intervals on the top surface of the shoe plate 2.
Preferably, in this embodiment, the shoe plate 2 is slightly larger than the sole of a common shoe, and the shoe plate 2 is made of a thick steel plate of 2.5-3cm, so as to ensure reliable strength when climbing the i-steel structural upright 90.
The sitting and leaning mechanism comprises a seat 21, a semi-surrounding protective guard 22 is arranged on the seat 21, and a reinforced triangular support 23 is fixedly arranged between the bottom of the seat 21 and the mounting seat c. The triangular support 23 is used for fixing the seat 21, so that the strength of the seat 21 can be enhanced, and the safety of workers during high-altitude operation can be ensured. Meanwhile, as the sitting and leaning mechanism is fixed on the right climbing mechanism b, when the feet of the operator lift upwards, the sitting and leaning mechanism also moves upwards along with the right shoe plate 2, and in order to enhance the moving performance of the sitting and leaning mechanism, the chair 21, the guard rail 22 and the triangular bracket 23 are all made of light aluminum materials. The light aluminum material not only ensures the structural strength of the seat and backrest mechanism, but also ensures the performance of convenient movement.
The specific use process of the device is as follows: the user wears suitable work shoes and work clothes, then sleeves left and right work shoes on shoe plates 2 of a left climbing mechanism a and a right climbing mechanism b respectively, adjusts the tightness of the upper to adapt to the size of the work shoes of the user, then clamps left and right concave chucks 1 on left and right flanges of an I-shaped steel structure stand column 90 respectively, and cooperates and alternately lifts up left and right feet while climbing upwards with both hands. Due to the self weight of a user, the left concave chuck 1 and the right concave chuck 1 can be stably clamped on the I-shaped steel structure stand column 90, and the effect of climbing up and down gradually is achieved. When the user on the I-shaped steel structure upright 90 needs to rest, the user can sit on the seat 21 for a rest. And when having a rest, the user can walk the existing safety belt around the I-shaped steel structure upright post 90 and fasten the safety belt on the left and right protective stops of the seat 21, so that safety accidents during aerial operation are avoided.
Compared with the prior art, the device has the beneficial effects that:
1) the two ends of the clamping groove 3 of the concave clamping head 1 are respectively provided with the flexibly rotating clamping plates, when the gravity center of a user falls at one end of the sole far away from the clamping groove 3, the two clamping plates can be attached to the flange of the I-shaped steel structure stand column 90 through rotation, so that the contact area and the friction force with the flange of the I-shaped steel structure stand column 90 are increased, and the device is prevented from sliding off from the I-shaped steel structure stand column 90.
2) The device is also provided with a seat 21, a semi-surrounding protective guard 22 is arranged on the seat 21, and the seat 21 is fixed at the bottom of the seat 21 through a reinforced triangular support 23, so that the comfort level of workers in high-altitude operation is ensured, and the safety of the workers is also ensured.
3) In order to avoid the feet of the user from sliding off the shoe plate 2, the tightness of the upper of the shoe is high, the rear side of the heel of a worker is provided with a baffle plate, the inner edge of the baffle plate is provided with a sponge pad, and the top surface of the shoe plate 2 is provided with corrugated anti-skidding ribs, so that the safety of the user is ensured, and the wearing comfort level is also improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a I-steel structure stand climbing device, fixes the mechanism of leaning on of sitting in climbing mechanism, its characterized in that including climbing mechanism and installation: the climbing mechanism comprises a left climbing mechanism and a right climbing mechanism which are independent of each other, have the same structure and are arranged in a mirror image mode; the right climbing mechanism comprises a concave chuck and a shoe plate which are integrally arranged, the shoe plate is obliquely fixed on the rear side wall of the concave chuck, the rear part of the shoe plate is integrally connected with a mounting seat, and the seat mechanism is mounted on the mounting seat.
2. The I-steel structure stand climbing device of claim 1, characterized in that: concave type dop is equipped with the draw-in groove that is used for centre gripping I-steel structure stand along its width direction, is equipped with the shaft hole along its width direction respectively in the both sides of draw-in groove, and the cross section in shaft hole is the excellent arc that has the breach, and the breach in shaft hole all is located set up relatively in the draw-in groove, the pivot is installed to shaft hole normal running fit, lies in the pivot and corresponds the part outside the shaft hole breach and be provided with the grip block of bar along the length direction of pivot respectively.
3. The I-steel structure stand climbing device of claim 2, characterized in that: the seat-back mechanism comprises a seat, a semi-surrounding protective guard is arranged on the seat, and a reinforced triangular support is fixedly arranged between the bottom of the seat and the mounting seat.
4. The I-steel structure stand climbing device of claim 2, characterized in that: a baffle plate is arranged on the shoe plate at the rear side of the heel of a worker, and a sponge cushion is arranged at the inner edge of the baffle plate; corrugated anti-skid ribs are arranged on the top surface of the shoe plate at intervals.
5. The I-steel structure stand climbing device of claim 4, wherein: the shoe plate is provided with uppers at the middle part and the rear part of the shoe plate, and the uppers comprise nylon belts with adjustable tightness.
6. The I-steel structure stand climbing device of claim 5, characterized in that: the shoe plate is made of a thick steel plate of 2.5-3 cm; the width of the nylon belt is 8-10 cm.
7. The I-steel structure stand climbing device of claim 2, characterized in that: the cross section of pivot is circular, the grip block sets up with the pivot is tangent.
8. The I-steel structure stand climbing device of claim 7, wherein: and the opposite surfaces of the two clamping plates are respectively provided with an anti-skid rubber block.
9. The I-steel structure stand climbing device of claim 2, characterized in that: the clamping plate and the rotating shaft are fixed into a whole through welding.
10. The I-steel structure stand climbing device of claim 2, characterized in that: the mounting seat and the shoe plate are welded into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337825.4A CN114541725A (en) | 2020-11-25 | 2020-11-25 | I-steel structure stand climbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337825.4A CN114541725A (en) | 2020-11-25 | 2020-11-25 | I-steel structure stand climbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114541725A true CN114541725A (en) | 2022-05-27 |
Family
ID=81660557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011337825.4A Pending CN114541725A (en) | 2020-11-25 | 2020-11-25 | I-steel structure stand climbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114541725A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115192997A (en) * | 2022-07-14 | 2022-10-18 | 江西新隆电力工程有限责任公司 | Transmission line iron tower climbing device |
| CN115229755A (en) * | 2022-09-20 | 2022-10-25 | 南通特芯电力科技有限公司 | Power maintenance tool case |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862213U (en) * | 2010-11-01 | 2011-06-15 | 中建七局第三建筑有限公司 | Climbing shoes |
| CN104288970A (en) * | 2014-10-08 | 2015-01-21 | 国家电网公司 | Working seat for working on pole |
| CN107243143A (en) * | 2017-08-02 | 2017-10-13 | 焦彭彭 | A kind of adjustable multifunction power maintenance safety protector |
| CN206612272U (en) * | 2017-03-27 | 2017-11-07 | 严斯亮 | A kind of scrambling shoes of steel I-column for steel building construction usage |
| CN207323985U (en) * | 2017-07-12 | 2018-05-08 | 郭鹏灿 | Scrambling shoes for I-shaped steelframe |
| CN216418230U (en) * | 2021-11-06 | 2022-05-03 | 中铁一局集团天津建设工程有限公司 | Device for climbing steel structure column |
-
2020
- 2020-11-25 CN CN202011337825.4A patent/CN114541725A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862213U (en) * | 2010-11-01 | 2011-06-15 | 中建七局第三建筑有限公司 | Climbing shoes |
| CN104288970A (en) * | 2014-10-08 | 2015-01-21 | 国家电网公司 | Working seat for working on pole |
| CN206612272U (en) * | 2017-03-27 | 2017-11-07 | 严斯亮 | A kind of scrambling shoes of steel I-column for steel building construction usage |
| CN207323985U (en) * | 2017-07-12 | 2018-05-08 | 郭鹏灿 | Scrambling shoes for I-shaped steelframe |
| CN107243143A (en) * | 2017-08-02 | 2017-10-13 | 焦彭彭 | A kind of adjustable multifunction power maintenance safety protector |
| CN216418230U (en) * | 2021-11-06 | 2022-05-03 | 中铁一局集团天津建设工程有限公司 | Device for climbing steel structure column |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115192997A (en) * | 2022-07-14 | 2022-10-18 | 江西新隆电力工程有限责任公司 | Transmission line iron tower climbing device |
| CN115192997B (en) * | 2022-07-14 | 2023-10-13 | 江西新隆电力工程有限责任公司 | Power transmission line iron tower climbing device |
| CN115229755A (en) * | 2022-09-20 | 2022-10-25 | 南通特芯电力科技有限公司 | Power maintenance tool case |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220527 |
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