CN108775222B - Aluminum alloy fire-fighting pull ladder - Google Patents
Aluminum alloy fire-fighting pull ladder Download PDFInfo
- Publication number
- CN108775222B CN108775222B CN201810949787.4A CN201810949787A CN108775222B CN 108775222 B CN108775222 B CN 108775222B CN 201810949787 A CN201810949787 A CN 201810949787A CN 108775222 B CN108775222 B CN 108775222B
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- ladder frame
- layer ladder
- movably connected
- sliding
- underframe
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000035939 shock Effects 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 230000000670 limiting effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention relates to the technical field of fire-fighting equipment and discloses an aluminum alloy fire-fighting pull ladder, which comprises an underframe, wherein one side of the underframe is fixedly connected with one side of a bottom layer ladder frame, the other side of the bottom layer ladder frame is movably connected with one side of a middle layer ladder frame, the other side of the middle layer ladder frame is fixedly connected with one side of an upper layer ladder frame, and the bottom end of the other side of the middle layer ladder frame is provided with a sliding groove. This aluminum alloy fire control draws ladder, through the bottom of middle level ladder frame and upper layer ladder frame respectively with two dog opposite side swing joint's structure, realized can rotate along the rotation round pin through the shock attenuation pole, the shock-absorbing function is accomplished to the rethread spring, when upper layer ladder frame and middle level ladder frame and bottom ladder frame's connection problem appear, can cushion upper layer ladder frame and middle level ladder frame in the gliding in-process, avoided personnel to draw the ladder landing too fast and lead to the problem that the health receives the injury along with drawing, improved the security of device.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to an aluminum alloy fire-fighting pull ladder.
Background
The special ladder for fire control is also called a fire-fighting pull ladder, is a ladder used in the fire-fighting process, is combined by three sections of ladders, can be lifted freely by means of lifting hooks, pulley blocks and pull ropes, is connected with a pedal rod and a straight rod by adopting a special riveting process, can simultaneously meet the requirements of normal elongation shortening and more convenient use and carrying, but can buffer the ladder frame in the sliding process when the connection between the general fire-fighting pull ladder and the ladder frame is problematic, and avoids the damage to the body caused by the too fast sliding of the personnel along with the pull ladder and the falling injury caused by the unstable bottom of the ladder.
Disclosure of Invention
The invention provides an aluminum alloy firefighting pull ladder, which has the advantages of light weight, convenience in carrying, simplicity and convenience in operation, safety and high efficiency, solves the problem that when the connection between ladder frames is problematic, the ladder frames in the sliding down process can be buffered, and the problems that the body is injured due to too fast sliding of personnel along with the pull ladder and the bottom of the ladder is unstable and falls are avoided.
The invention provides the following technical scheme: the utility model provides an aluminum alloy fire control pull ladder, includes the chassis, one side of chassis and one side fixed connection of bottom ladder frame, the opposite side of bottom ladder frame and one side swing joint of middle layer ladder frame, the opposite side of middle layer ladder frame and one side fixed connection of upper ladder frame, the spout has been seted up to the bottom of middle layer ladder frame opposite side, and the bottom of middle layer ladder frame opposite side passes through spout and the one end swing joint of dog, the both ends at dog one side middle part are fixed mounting respectively has the swivel pin, two the one end of swivel pin is respectively with the one end swing joint of two shock attenuation poles, the middle layer ladder frame passes through spout and the one end swing joint of slip track, the movable track has been seted up respectively at the inside both ends of slip track, and the both ends of slip track pass through movable track respectively with the other end swing joint of two shock attenuation poles, the both ends of slip track are fixed mounting locating pin respectively, the outer edge of locating pin and the one end of spring are fixedly cup jointed, and the both ends of slip track pass through the spring respectively with the other end of two shock attenuation poles, the bottom of chassis opposite side is fixed mounting has the slide base, the front of a side of slip base has the draw-in groove, the one side is equipped with the draw-in groove, and the one side of the front of the side is connected with the circular base through the side of the telescopic sleeve through the one side of the telescopic sleeve, the front of the two end of the telescopic link through the side of the telescopic link respectively with the one side of the front of the telescopic link, the middle part of the front face of the connecting plate is movably connected with the top end of the supporting leg, two sides of the bottom of the supporting leg are respectively connected with two bolts in a threaded mode, and the bottom of the supporting leg is fixedly connected with the ground through the two bolts.
Preferably, the whole chassis adopts high strength aluminum alloy material, the bottom of chassis is the metal piece of circular cone shape, and the bottom of the last metal piece of chassis and the upper surface mutual contact of ground.
Preferably, a sliding groove is formed in the bottom of the other side of the bottom layer ladder frame, and the other side of the bottom layer ladder frame is movably connected with the stop block through the sliding groove.
Preferably, the dog is the metal sheet of flexible material, the surface area of dog one side is greater than the area of middle floor's ladder frame and upper strata ladder frame bottom, the surface and the upper strata ladder frame or the bottom swing joint of middle floor's ladder frame of dog opposite side.
Preferably, a metal pin is fixedly arranged at the other end of the shock absorption rod, and the outer edge of the metal pin on the shock absorption rod is fixedly sleeved with the other end of the spring.
Preferably, a round groove matched with the telescopic rod in size is formed in one side of the sliding base, six round grooves are formed in the number of the sliding base, the round grooves are arranged on one side of the sliding base in a linear mode, and the top ends of the two telescopic rods are movably connected with two sides of the connecting plate respectively.
Preferably, the top of the supporting leg forms a fixed included angle of forty-five degrees with the ground, and the side edge of the supporting leg forms an included angle with the other side of the underframe and the angle range is zero degrees to ninety degrees.
The invention has the following beneficial effects:
1. according to the aluminum alloy firefighting pull ladder, the high-strength aluminum alloy material is integrally adopted by the underframe, so that the function of controlling the weight of the whole ladder containing accessories within a certain range is realized, the carrying efficiency is greatly improved, the labor intensity of firefighting soldiers in the rescue process is reduced, and the convenience of the device is improved.
2. This aluminum alloy fire control draws ladder, through the bottom of middle level ladder frame and upper layer ladder frame respectively with two dog opposite side swing joint's structure, realized can rotate along the rotation round pin through the shock attenuation pole, the shock-absorbing function is accomplished to the rethread spring, when upper layer ladder frame and middle level ladder frame and bottom ladder frame's connection problem appear, can cushion upper layer ladder frame and middle level ladder frame in the gliding in-process, avoided personnel to draw the ladder landing too fast and lead to the problem that the health receives the injury along with drawing, improved the security of device.
3. This aluminum alloy fire control draws ladder, through forming the contained angle each other between supporting legs and chassis and the ground, and trilateral stable triangle-shaped's structure of formation has realized playing the effect of prescribing a limit to the support to the horizontal position of chassis, has avoided operating personnel at the cat ladder or when carrying out the operation on the ladder, because the unstable problem that leads to the landing to fall to hinder in bottom of ladder, has improved the stability of device.
Drawings
FIG. 1 is a schematic diagram of the front of the structure of the present invention;
FIG. 2 is a schematic view of the connection of the shock absorbing rod and the sliding rail of the present invention;
FIG. 3 is an enlarged schematic view of the interior of the structural sleeve of the present invention;
fig. 4 is a top view of the structure of the present invention.
In the figure: 1. a chassis; 2. a bottom layer ladder frame; 3. middle layer ladder rack; 4. an upper ladder frame; 5. a chute; 6. a stop block; 7. a rotation pin; 8. a shock-absorbing rod; 9. a sliding rail; 10. a limiting pin; 11. a spring; 12. a sliding base; 13. a clamping groove; 14. a shaft sleeve; 15. a telescopic rod; 16. a tension spring; 17. a connecting plate; 18. supporting feet; 19. a bolt; 20. ground surface.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, an aluminum alloy fire-fighting pull ladder comprises a bottom frame 1, wherein the bottom of the bottom frame 1 is made of high-strength aluminum alloy material, the bottom of the bottom frame 1 is made of conical metal blocks, the bottom ends of the metal blocks on the bottom frame 1 are mutually contacted with the upper surface of the ground 20, the main material of the ladder is designed to be a support and a track through reasonable structural design, the weight of the main material of the ladder is reduced, I-shaped materials are adopted, and reinforcing ribs are designed on the side edges, so that the material has a sliding rail function and also has certain strength, the integral structural design ensures that the ladder meets the requirements of national standard GA137-2007, the weight of the whole ladder with accessories is controlled within the range of 75kg plus or minus 2kg, the carrying efficiency is greatly improved, the labor intensity of fire fighters in the rescue process is reduced, and the convenience of the device is improved, one side of the underframe 1 is fixedly connected with one side of the bottom layer ladder frame 2, a sliding groove 5 is formed in the bottom of the other side of the bottom layer ladder frame 2, the other side of the bottom layer ladder frame 2 is movably connected with a stop block 6 through the sliding groove 5, the other side of the bottom layer ladder frame 2 is movably connected with one side of the middle layer ladder frame 3, the other side of the middle layer ladder frame 3 is fixedly connected with one side of the upper layer ladder frame 4, the bottom of the other side of the middle layer ladder frame 3 is provided with the sliding groove 5, the bottom of the other side of the middle layer ladder frame 3 is movably connected with one end of the stop block 6 through the sliding groove 5, the stop block 6 is a metal plate made of flexible materials, the surface area of one side of the stop block 6 is larger than the surface of the bottom of the middle layer ladder frame 3 and the upper layer ladder frame 4, the surface of the other side of the stop block 6 is movably connected with the bottom of the upper layer ladder frame 4 or the middle layer ladder frame 3, the bottoms of the middle layer ladder frame 3 and the upper layer ladder frame 4 are respectively movably connected with the other sides of the two stop blocks 6, the shock-absorbing function can be achieved through the rotation of the shock-absorbing rods 8 along the rotation pins 7 and the spring 11, when the connection between the upper-layer ladder frame 4 and the middle-layer ladder frame 3 and the connection between the middle-layer ladder frame 3 and the bottom-layer ladder frame 2 are problematic, the upper-layer ladder frame 4 and the middle-layer ladder frame 3 in the sliding process can be buffered, the problem that a person is injured by a body due to too fast sliding along with the ladder pulling is avoided, the safety of the device is improved, the rotation pins 7 are fixedly arranged at the two ends of the middle part of one side of the stop block 6 respectively, one ends of the two rotation pins 7 are movably connected with one ends of the two shock-absorbing rods 8 respectively, the other ends of the shock-absorbing rods 8 are fixedly provided with metal pins, the outer edges of the metal pins on the shock-absorbing rods 8 are fixedly sleeved with the other ends of the springs 11, the positions of the springs 11 are limited by the shock-absorbing rods 8, the shock-absorbing and buffering effect can be achieved by the springs 11, the protection performance of the device is improved, the middle-layer ladder frame 3 is movably connected with one end of the sliding rail 9 through a sliding groove 5, two ends of the inner part of the sliding rail 9 are respectively provided with movable rails, two ends of the sliding rail 9 are respectively movably connected with the other ends of the two shock absorption rods 8 through movable rails, two ends of the inner part of the sliding rail 9 are respectively fixedly provided with a limiting pin 10, the outer edge of the limiting pin 10 is fixedly sleeved with one end of a spring 11, two ends of the sliding rail 9 are respectively in transmission connection with the other ends of the two shock absorption rods 8 through the spring 11, the bottom end of the other side of the chassis 1 is fixedly provided with a sliding base 12, one side of the sliding base 12 is provided with round grooves matched with the telescopic rods 15 in size, the number of the round grooves on the sliding base 12 is six and is arranged on one side of the sliding base 12 in a linear shape, the top ends of the two telescopic rods 15 are respectively movably connected with two sides of the connecting plate 17, through the structure that the top ends of the two telescopic rods 15 are respectively movably connected with the two sides of the connecting plate 17, the limiting effect on the position of the connecting plate 17 is realized, the problem that the supporting legs 18 cannot play a supporting role due to the fact that the position between the connecting plate 17 and the sliding base 12 is changed when the gravity is overlarge due to the fact that the position of the connecting plate 17 is not fixed is solved, the rationality of the device is improved, the clamping grooves 13 are formed in the middle of one side of the sliding base 12, the middle of the other side of the sliding base 12 is respectively movably connected with one ends of the two shaft sleeves 14 through the clamping grooves 13, the other ends of the shaft sleeves 14 are provided with round through holes, the other ends of the shaft sleeves 14 are movably connected with the telescopic rods 15 through the round through holes, the outer ring of one side of the telescopic rods 15 is fixedly connected with one end of the tension springs 16, one side of the telescopic rods 15 is in transmission connection with the inner walls of the shaft sleeves 14 through the tension springs 16, the middle part of the front surface of the sliding base 12 is provided with a rectangular groove, the middle part of the front surface of the sliding base 12 is movably connected with one side of the back surface of the connecting plate 17 through the rectangular groove, the middle part of the front surface of the connecting plate 17 is movably connected with the top end of the supporting leg 18, the top of the supporting leg 18 forms a forty-five degree fixed included angle with the ground 20, the side edge of the supporting leg 18 forms an included angle with the other side of the underframe 1 and the angle range is zero to ninety degrees, the supporting leg 18 forms an included angle with the underframe 1 and the ground 20, and three sides form a stable triangle structure, so that the function of limiting and supporting the horizontal position of the underframe 1 is realized, the problem that an operator falls down and hurts due to the unstable bottom of the ladder when operating on the ladder is avoided, the stability of the device is improved, two bolts 19 are respectively connected with the two sides of the bottom of the supporting leg 18 through threads, and the bottom of the supporting leg 18 is fixedly connected with the ground 20 through two bolts 19.
The bottom of the underframe 1 is placed on the ground 20, the upper layer ladder frame 4 is pulled to drive the middle layer ladder frame 3 to be pulled out to a proper length to one side far away from the underframe 1, the top of the upper layer ladder frame 4 is placed on a wall body, the bottoms of the supporting feet 18 are fixed with the ground 20 through bolts 19, a stable triangle is formed between the supporting feet and the underframe 1 and the ground 20, the supporting feet can climb upwards along the device, meanwhile, the bottoms of the middle layer ladder frame 3 and the upper layer ladder frame 4 are respectively movably connected with the other sides of the two stop blocks 6, the damping rods 8 can rotate along the rotating pins 7, the damping function is completed through the springs 11, and when the upper layer ladder frame 4 and the middle layer ladder frame 3 are connected with the middle layer ladder frame 3 and the bottom layer ladder frame 2 to be in a problem, the upper layer ladder frame 4 and the middle layer ladder frame 3 in a sliding process can be buffered, and the body injury caused by too fast sliding of a person is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 an aluminum alloy fire control draws ladder, includes chassis (1), its characterized in that: one side of the underframe (1) is fixedly connected with one side of the bottom layer ladder frame (2), the other side of the bottom layer ladder frame (2) is movably connected with one side of the middle layer ladder frame (3), the other side of the middle layer ladder frame (3) is fixedly connected with one side of the upper layer ladder frame (4), a sliding groove (5) is formed in the bottom end of the other side of the middle layer ladder frame (3), the bottom end of the other side of the middle layer ladder frame (3) is movably connected with one end of a stop block (6) through the sliding groove (5), two ends of one side middle part of the stop block (6) are fixedly provided with rotating pins (7) respectively, one ends of the two rotating pins (7) are movably connected with one ends of two shock absorption rods (8) respectively, the middle layer ladder frame (3) is movably connected with one end of a sliding rail (9) through the sliding groove (5), two ends of the inner part of the sliding rail (9) are respectively provided with movable rails, two ends of the sliding rail (9) are respectively movably connected with the other ends of two shock absorption rods (8) through the movable rails, two ends of the inner part of the sliding rail (9) are respectively fixedly provided with two ends of two limiting springs (10) respectively, the two ends of the limiting springs (11) are respectively connected with one ends of the two limiting springs (11) in a sleeved mode, the bottom end of the other side of the underframe (1) is fixedly provided with a sliding base (12), the middle part of one side of the sliding base (12) is provided with a clamping groove (13), the middle part of the other side of the sliding base (12) is respectively and movably connected with one ends of two shaft sleeves (14), the other end of the shaft sleeve (14) is provided with a circular through hole, the other end of the shaft sleeve (14) is movably connected with a telescopic rod (15) through the circular through hole, the outer ring of one side of the telescopic rod (15) is fixedly connected with one end of a tension spring (16), one side of the telescopic rod (15) is in transmission connection with the inner wall of the shaft sleeve (14) through the tension spring (16), the middle part of the front side of the sliding base (12) is provided with a rectangular groove, the middle part of the front side of the sliding base (12) is movably connected with one side of a connecting plate (17) through the rectangular groove, the middle part of the front side of the connecting plate (17) is movably connected with the top end of a supporting leg (18), two bolts (19) are respectively and threadedly connected with two sides of the bottom of the supporting leg (18), and the bottom of the supporting leg (18) is fixedly connected with the ground (20) through two bolts (19);
the whole chassis (1) is made of high-strength aluminum alloy materials, the bottom of the chassis (1) is a conical metal block, and the bottom end of the metal block on the chassis (1) is in contact with the upper surface of the ground (20);
a sliding groove (5) is formed in the bottom of the other side of the bottom layer ladder frame (2), and the other side of the bottom layer ladder frame (2) is movably connected with a stop block (6) through the sliding groove (5);
the stop block (6) is a metal plate made of flexible materials, the surface area of one side of the stop block (6) is larger than the areas of the bottom ends of the middle-layer ladder frame (3) and the upper-layer ladder frame (4), and the surface of the other side of the stop block (6) is movably connected with the bottom ends of the upper-layer ladder frame (4) or the middle-layer ladder frame (3);
the other end of the shock absorption rod (8) is fixedly provided with a metal pin, and the outer edge of the metal pin on the shock absorption rod (8) is fixedly sleeved with the other end of the spring (11);
round grooves matched with the telescopic rods (15) in size are formed in one side of the sliding base (12), six round grooves are formed in the number of the sliding base (12) and are arranged on one side of the sliding base (12) in a linear mode, and the top ends of the two telescopic rods (15) are respectively and movably connected with two sides of the connecting plate (17);
the top of the supporting leg (18) forms a fixed included angle of forty-five degrees with the ground (20), and the side edge of the supporting leg (18) forms an included angle with the other side of the underframe (1) and the range of the included angle is zero degrees to ninety degrees;
the application method of the aluminum alloy firefighting pull ladder comprises the following application steps of;
the bottom of the underframe (1) is placed on the ground (20), the upper layer ladder frame (4) is pulled to drive the middle layer ladder frame (3) to be pulled out to a proper length to one side far away from the underframe (1), the top of the upper layer ladder frame (4) is placed on a wall body, the bottoms of the supporting feet (18) are fixed with the ground (20) through bolts (19), a stable triangle is formed between the bottom of the supporting feet (18) and the underframe (1) and the ground (20), the bottoms of the middle layer ladder frame (3) and the upper layer ladder frame (4) can climb upwards along the device, meanwhile, the bottoms of the middle layer ladder frame (3) and the upper layer ladder frame (4) are respectively movably connected with the other sides of the two stop blocks (6), the shock absorption rods (8) can rotate along the rotation pins (7), the shock absorption function is completed through springs (11), and when the upper layer ladder frame (4) and the middle layer ladder frame (3) in the lower sliding process are buffered when a problem occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949787.4A CN108775222B (en) | 2018-08-20 | 2018-08-20 | Aluminum alloy fire-fighting pull ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949787.4A CN108775222B (en) | 2018-08-20 | 2018-08-20 | Aluminum alloy fire-fighting pull ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108775222A CN108775222A (en) | 2018-11-09 |
| CN108775222B true CN108775222B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810949787.4A Active CN108775222B (en) | 2018-08-20 | 2018-08-20 | Aluminum alloy fire-fighting pull ladder |
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| Country | Link |
|---|---|
| CN (1) | CN108775222B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042728A (en) * | 2019-12-09 | 2020-04-21 | 国家电网有限公司 | Self-gravity-stabilized steel pipe tower climbing ladder and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120007883A (en) * | 2010-07-15 | 2012-01-25 | 주식회사 태웅코로죤 | Ladder up and down device for vessel |
| CN202611566U (en) * | 2012-05-17 | 2012-12-19 | 九江消防装备有限公司 | Aluminum alloy fire-fighting three-section extension ladder |
| CN203394339U (en) * | 2013-07-10 | 2014-01-15 | 张鸣 | Insulating ladder |
| CN205936360U (en) * | 2016-05-18 | 2017-02-08 | 石家庄嘉泰电器金具有限公司 | Joint multisection extension ladder |
| CN205936362U (en) * | 2016-08-22 | 2017-02-08 | 杨畅宇 | Double ladder handrail of preventing down |
| CN209067082U (en) * | 2018-08-20 | 2019-07-05 | 九江消防装备有限公司 | A kind of aluminium alloy fire-fighting drawing ladder |
-
2018
- 2018-08-20 CN CN201810949787.4A patent/CN108775222B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120007883A (en) * | 2010-07-15 | 2012-01-25 | 주식회사 태웅코로죤 | Ladder up and down device for vessel |
| CN202611566U (en) * | 2012-05-17 | 2012-12-19 | 九江消防装备有限公司 | Aluminum alloy fire-fighting three-section extension ladder |
| CN203394339U (en) * | 2013-07-10 | 2014-01-15 | 张鸣 | Insulating ladder |
| CN205936360U (en) * | 2016-05-18 | 2017-02-08 | 石家庄嘉泰电器金具有限公司 | Joint multisection extension ladder |
| CN205936362U (en) * | 2016-08-22 | 2017-02-08 | 杨畅宇 | Double ladder handrail of preventing down |
| CN209067082U (en) * | 2018-08-20 | 2019-07-05 | 九江消防装备有限公司 | A kind of aluminium alloy fire-fighting drawing ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108775222A (en) | 2018-11-09 |
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