CN207245601U - A kind of suspension type safety extension ladder - Google Patents
A kind of suspension type safety extension ladder Download PDFInfo
- Publication number
- CN207245601U CN207245601U CN201721207483.8U CN201721207483U CN207245601U CN 207245601 U CN207245601 U CN 207245601U CN 201721207483 U CN201721207483 U CN 201721207483U CN 207245601 U CN207245601 U CN 207245601U
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- China
- Prior art keywords
- supporting rod
- adjustment seat
- extension ladder
- telescopic supporting
- stretching structure
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- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Ladders (AREA)
Abstract
The utility model discloses a kind of suspension type safety extension ladder, including fixed structure and stretching structure, stretching structure is connected with fixed structure, the top of stretching structure is connected with workbench, stretching structure includes telescopic supporting rod, halfpace rank and finger pinch device, telescopic supporting rod is socketed to form by several sections of retractable support columns, and halfpace rank is installed between two opposite retractable support columns, and finger pinch device is installed on the both ends of halfpace rank；Finger pinch device includes the block for being coated at the lasso of halfpace rank and being connected with lasso upper end or lower end.The bottom of telescopic supporting rod is equipped with anti-skid device, and anti-skid device includes adjustment seat, pressing handle, anti-slip sucking disc and support bar.The utility model is simple in structure, easy to operate, easy to use, can reduce the volume of ladder, reduces the space occupied, greatly reduces cost of transportation, by increasing capacitance it is possible to increase the interaction force between the bottom and ground of extension ladder, prevents extension ladder from skidding on the ground.
Description
Technical field
Field of electrical equipment is the utility model is related to, is specifically a kind of suspension type safety extension ladder.
Background technology
Extension ladder can be stretched and shortened, and usually have lighter weight, have shorter height after shortening, be easy to
Carry, in use, being stretched to predetermined length as needed, certain weight can be born, can be used for a variety of needs and ascend a height
The occasion of operation, such as family, hotel, market, enterprise, electric power telecommunications, urban construction, public security fire-fighting, heat supply supply, gardens etc.,
It is various repairing wrecking trucks, circuit inspection car, command car common ascending tool when vehicle field work.For example dress table connects electricity
In work, field erected electric energy metering box has 3,6,9,12,24 epitopes, since the weight of electric energy metering box itself plus switch and is broken
Road device is finally reached 20-40 kilograms, since rural area physical features is ups and downs in work on the spot, according to electric energy meter installation standard,
Installation site is apart from more than 1.8 meters of ground level, if fixed on the wall using only manpower scaffold, a people or two people coordinate
It is all very hard.
Extension ladder is suitable for the above-mentioned middle needs frequently all kinds of fields ascended a height or aloft take with store things of safety
Used, and as the demand in market, the requirement of stability in use and security also accordingly improve.Such as Chinese patent
Telescopic ladder described in 200620140435.7, including left and right upright bar, crosspiece, are equipped with boss in upright bar, inner plane on boss
It is in contact with the top surface of upright bar, its lower medial surface is in contact with the outer diameter face of upright bar, and upright bar is provided with load-bearing circle and cushion pad,
So that the gap of finger is produced between crosspiece and crosspiece.Though this extension ladder stablizes and safety, complicated, installed in vertical
Boss replacement not easy to remove in bar, and after ladder contraction, it is big relative to the extension ladder volume without using boss, packing dress
Occupied space is big during case, is unfavorable for storing and transports.
The patent document that Authorization Notice No. is CN101294479B discloses a kind of extension ladder, including is slided step by step by some sections
The upright cleat stanchion in left and right of nestable telescoping tube composition is moved, is connected between the upright cleat stanchion in left and right by attachment device with corresponding crossbeam
Into section of ladder, the middle part of the crossbeam is equipped with the lock for locking the adjacent inside and outside telescoping tube in left side and the adjacent inside and outside telescoping tube in right side at the same time
Determine device.The locking device includes the left and right securing rod set along crossbeam direction and the spring being located in the middle part of crossbeam, left and right lock
The opposite end of fixed pole is equipped with and joystick and is connected by spring, after nestable adjacent expansion pipe stretching, extension with left and right securing rod
The corresponding position in free end is equipped with overlapped location hole, and the free end of left and right securing rod is inserted into pair under the action of the spring
In the location hole answered.Only need one hand left and right securing rod can be pulled to unlock at the same time.
Meanwhile but for some especially smooth ground, the frictional force that extension ladder touches generation with ground is smaller,
Extension ladder easily slides, and causes security incident.
Utility model content
The purpose of this utility model is to provide a kind of suspension type safety extension ladder, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical solution：
A kind of suspension type safety extension ladder, including fixed structure and stretching structure, are connected with stretching structure on fixed structure,
The upper end of fixed structure is provided with fixed pin, and card slot is carried on the stretching structure, and the top of stretching structure is connected with workbench,
Connecting rod and hook are connected between workbench and stretching structure, latch is carried in connecting rod；Stretching structure includes retractable support
Bar, halfpace rank and finger pinch device, telescopic supporting rod are socketed to form by several sections of retractable support columns, and halfpace rank is installed on two relatively
Retractable support column between, finger pinch device be installed on halfpace rank both ends；Finger pinch device includes the set for being coated at halfpace rank
Circle and the block being connected with lasso upper end or lower end；Terraced bench floor is provided with two cushion pads, and finger pinch device is positioned at buffering
Between pad and telescopic supporting rod；The bottom of telescopic supporting rod is equipped with anti-skid device, anti-skid device include adjustment seat, pressing handle,
Anti-slip sucking disc and support bar；The equal thread fitting in bottom of every telescopic supporting rod has adjustment seat, and anti-slip sucking disc is installed on corresponding
The bottom surface of adjustment seat；The bottom of every telescopic supporting rod carries external screw thread, and adjustment seat carries matched internal thread；Adjustment seat
Bottom surface and corresponding anti-slip sucking disc between be equipped with support bar；Circle of each corresponding support bar of adjustment seat around corresponding adjustment seat
Circumferentially it is uniformly distributed；Band is useful for the pressing handle that Anti-slip regulation sucker deforms upon on anti-slip sucking disc.
As further program of the utility model：The workbench on the stretching structure top has two.
As further program of the utility model：The workbench length is 20-40 centimetres, and width is 8-15 centimetres.
As further program of the utility model：That one end inner surface being connected on lasso with block is equipped with a pair of small convex
Platform.
As further program of the utility model：Block is in half kidney-shaped, its outer surface is equipped with tread plate.
As further program of the utility model：Adjustment seat, the bottom with the telescopic supporting rod of adjustment seat thread fitting
And support bar is made using aluminium alloy.
As further program of the utility model：Adjustment seat and support bar use integrative-structure.
Compared with prior art, the beneficial effects of the utility model are：When the utility model is used can be by worktable support
Get up, then work box is placed and is worked on the table, it is easy to operate, easy to use.The utility model can reduce ladder
Volume, reduce the space occupied, thus greatly reduce cost of transportation.The utility model is simple in structure, by increasing capacitance it is possible to increase flexible
Interaction force between the bottom and ground of ladder, prevents extension ladder from skidding on the ground.
Brief description of the drawings
Fig. 1 is that Fig. 1 is the utility model structure diagram.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the structure diagram of the utility model stretching structure extended configuration.
Fig. 5 is the structure diagram of finger pinch device in the utility model.
Fig. 6 is the telescopic supporting rod schematic diagram with anti-skid device.
Fig. 7 is A portions enlarged drawing in Fig. 6.
Fig. 8 is the structure diagram of anti-slip sucking disc part.
In figure：1- stretching structures, 2- fixed structures, 3- finger pinch devices, 4- fixed pins, 5- latches, 6- workbench, 10-
Telescopic supporting rod, 11- retractable supports column, 20- halfpaces rank, 31- lassos, 32- blocks, 33- small boss, 34- tread plates, 44- delay
Rush pad, 53- adjustment seats, 54- pressing handle, 55- anti-slip sucking discs, 56- support bars.
Embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
Embodiment 1
In the utility model embodiment, please refer to Fig.1-Fig. 8, a kind of suspension type safety extension ladder, including fixed structure 2 with
Stretching structure 1, is connected with stretching structure 1 on fixed structure 2, the upper end of fixed structure 2 is provided with fixed pin 4, the flexible knot
Card slot is carried on structure 1, the top of stretching structure 1 is connected with workbench 6, connecting rod is connected between workbench 6 and stretching structure 1
With hook, latch 5 is carried in connecting rod.
The workbench 6 on 1 top of stretching structure has two.
6 length of workbench is 20-40 centimetres, and width is 8-15 centimetres.
Stretching structure 1 includes telescopic supporting rod 10, halfpace rank 20 and finger pinch device 3, and telescopic supporting rod 10 is stretched by several sections of
Contracting support column 11 is scalable to be socketed to form, and halfpace rank 20 is installed between two opposite retractable support columns 11, finger pinch device 3
Installed in the both ends of halfpace rank 20, during 3 installing and dismounting of finger pinch device, only it need to be inserted in or be skidded off i.e. from the both ends of halfpace rank 20
Can, simple, convenient, finger pinch device 3 includes the lasso 31 for being coated at halfpace rank 20 and connects with 31 upper end of lasso or lower end
The block 32 connect.Ladder shrink when, since block 32 is kept off between adjacent two halfpaces rank 20, thus adjacent two halfpaces rank 20 it
Between form a finger gap.
, only need to be 90 degree clockwise or counterclockwise by finger pinch device 3 after ladder contraction, make block 32 from halfpace rank
20 lower end position shifts to side, you can achievees the purpose that to reduce ladder volume, reduces occupied space.Finger pinch device 3 is by soft
Property material is made, and facilitates rotation of the finger pinch device 3 on halfpace rank 20, table in that one end being connected on lasso 31 with block 32
Face is equipped with a pair of of small boss 33, and the setting of small boss 33 has further facilitated the rotation of finger pinch device 3, and block 32 is in half waist
Shape, its outer surface are equipped with multiple tread plates 34, can prevent from having skidded when rotating finger pinch device 3.
20 bottom surface of halfpace rank is provided with two cushion pads 44, after finger pinch device 3 turns to halfpace 20 side of rank, buffering
Pad 4 can prevent the collision between halfpace rank 20 and halfpace rank 20 when ladder is shunk, and finger pinch device 3 is located at cushion pad 44 with stretching
Between supporting rod 10, the scope of activities of finger pinch device 3 is reduced, increases the stability in 3 use of finger pinch device.
The utility model is not only provided with tread plate 34, is also equipped with anti-skid device, anti-skidding dress in the bottom of telescopic supporting rod 10
Put including adjustment seat 53, pressing handle 54, anti-slip sucking disc 55 and support bar 56.
The equal thread fitting in bottom of every telescopic supporting rod 10 has adjustment seat 53, and anti-slip sucking disc 55 is installed on corresponding adjusting
The bottom surface of seat 53.The bottom of every telescopic supporting rod 10 carries external screw thread, and adjustment seat 53 carries matched internal thread.
Four support bars 56 are equipped between the bottom surface of adjustment seat 53 and corresponding anti-slip sucking disc 55.
Each 53 corresponding four support bars 56 of adjustment seat around corresponding adjustment seat 53 circumference to being uniformly distributed.
Band is useful for the pressing handle 54 that Anti-slip regulation sucker 55 deforms upon on anti-slip sucking disc 55.
The bottom of the telescopic supporting rod 10 of adjustment seat 53 and 53 thread fitting of adjustment seat and support bar 56 use aluminium alloy
Make, adjustment seat 53 and support bar 56 use integrative-structure.
The area that anti-slip sucking disc 55 is contacted with ground can be changed according to needing to be set according to the load-bearing requirements of extension ladder
Obtain.
In use, anti-slip sucking disc 55 is touched with ground, pressure pressing handle 54, excludes anti-the extension ladder of the utility model
Air between sliding sucker 55 and ground, makes anti-slip sucking disc 55 be bonded with ground, under atmospheric pressure, anti-slip sucking disc 55 and
The Interaction Force increase on ground, prevents extension ladder from opposite slide occur with ground.
The utility model uses finger pinch device, improves security when user operates extension ladder, finger dress
Put and be socketed on crosspiece, it is simple in structure, during installing and dismounting, crosspiece need to only be pulled down, (or taking-up) is inserted in from crosspiece both sides,
And the setting of block when preventing the extension ladder to shrink crosspiece clamp the possibility of finger.
Finger pinch device is fabricated from a flexible material, and movable is installed on crosspiece, facilitates the rotation of finger pinch device, and covers
A pair of of small boss that one end inner surface being connected on circle with block is equipped with, has further facilitated the rotation of finger pinch device, gear
The setting of block outer wall tread plate can prevent skidding when finger pinch device rotates, and in telescopic ladder subpack, only need to rotate anti-pinch
Arm device.
Claims (7)
1. a kind of suspension type safety extension ladder, including fixed structure and stretching structure, stretching structure is connected with fixed structure, its
It is characterized in that, the upper end of fixed structure is provided with fixed pin, and card slot, the top connection of stretching structure are carried on the stretching structure
There is workbench, connecting rod and hook are connected between workbench and stretching structure, latch is carried in connecting rod；Stretching structure includes
Telescopic supporting rod, halfpace rank and finger pinch device, telescopic supporting rod are socketed to form by several sections of retractable support columns, and halfpace rank is installed on
Between two opposite retractable support columns, finger pinch device is installed on the both ends of halfpace rank；Finger pinch device includes being coated at ladder
The lasso of step and the block being connected with lasso upper end or lower end；Terraced bench floor is provided with two cushion pads, finger pinch device
Between cushion pad and telescopic supporting rod；The bottom of telescopic supporting rod is equipped with anti-skid device, and anti-skid device includes adjustment seat, presses
Press handle, anti-slip sucking disc and support bar；The equal thread fitting in bottom of every telescopic supporting rod has adjustment seat, and anti-slip sucking disc is installed on
The bottom surface of corresponding adjustment seat；The bottom of every telescopic supporting rod carries external screw thread, and adjustment seat carries matched internal thread；
Support bar is equipped between the bottom surface of adjustment seat and corresponding anti-slip sucking disc；Each corresponding support bar of adjustment seat is adjusted around corresponding
The circumference of seat is to being uniformly distributed；Band is useful for the pressing handle that Anti-slip regulation sucker deforms upon on anti-slip sucking disc.
2. suspension type safety extension ladder according to claim 1, it is characterised in that the workbench on the stretching structure top
There are two.
3. suspension type safety extension ladder according to claim 1, it is characterised in that the workbench length is 20-40 lis
Rice, width are 8-15 centimetres.
4. suspension type safety extension ladder according to claim 1, it is characterised in that one end being connected on lasso with block
Inner surface is equipped with a pair of of small boss.
5. suspension type safety extension ladder according to claim 1, it is characterised in that block is in half kidney-shaped, its outer surface is set
There is tread plate.
6. suspension type safety extension ladder according to claim 1, it is characterised in that adjustment seat and adjustment seat thread fitting
Telescopic supporting rod bottom and support bar made using aluminium alloy.
7. suspension type safety extension ladder according to claim 1, it is characterised in that adjustment seat and support bar are tied using one
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207483.8U CN207245601U (en) | 2017-09-20 | 2017-09-20 | A kind of suspension type safety extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207483.8U CN207245601U (en) | 2017-09-20 | 2017-09-20 | A kind of suspension type safety extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245601U true CN207245601U (en) | 2018-04-17 |
Family
ID=61885713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721207483.8U Active CN207245601U (en) | 2017-09-20 | 2017-09-20 | A kind of suspension type safety extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245601U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798480A (en) * | 2018-07-18 | 2018-11-13 | 四川省腾达电力器材制造有限公司 | A kind of Multi-section telescopic ladder |
| CN111827866A (en) * | 2020-08-18 | 2020-10-27 | 贵州电网有限责任公司 | Low-voltage folding portable insulating ladder |
| CN113445897A (en) * | 2021-06-30 | 2021-09-28 | 信利(仁寿)高端显示科技有限公司 | Escape ladder |
-
2017
- 2017-09-20 CN CN201721207483.8U patent/CN207245601U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798480A (en) * | 2018-07-18 | 2018-11-13 | 四川省腾达电力器材制造有限公司 | A kind of Multi-section telescopic ladder |
| CN111827866A (en) * | 2020-08-18 | 2020-10-27 | 贵州电网有限责任公司 | Low-voltage folding portable insulating ladder |
| CN111827866B (en) * | 2020-08-18 | 2022-05-27 | 贵州电网有限责任公司 | Low-voltage folding portable insulating ladder |
| CN113445897A (en) * | 2021-06-30 | 2021-09-28 | 信利(仁寿)高端显示科技有限公司 | Escape ladder |
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