CN204040879U - Step ladder - Google Patents
Step ladder Download PDFInfo
- Publication number
- CN204040879U CN204040879U CN201420395136.2U CN201420395136U CN204040879U CN 204040879 U CN204040879 U CN 204040879U CN 201420395136 U CN201420395136 U CN 201420395136U CN 204040879 U CN204040879 U CN 204040879U
- Authority
- CN
- China
- Prior art keywords
- step ladder
- underframe
- job platform
- connecting portion
- protective guard
- 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.)
- Expired - Lifetime
Links
- 241000282326 Felis catus Species 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 28
- 230000007423 decrease Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 9
- 239000002002 slurry Substances 0.000 description 8
- 230000003028 elevating effect Effects 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001310793 Podium Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- -1 timber Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Abstract
The utility model provides a kind of step ladder, and it comprises universal caster wheel and is in turn connected to form the main frame of right-angled triangle, underframe and cat ladder frame, and universal caster wheel is located at underframe, leg-of-mutton step ladder stabilized structure, and use safety is with convenient.
Description
Technical field
The utility model relates to step ladder, particularly relates to a kind of adjustable step ladder.
Background technology
Easily see in paper mill, during paper pulp outdoor storage, staff need starch buttress up and down and carry out the operations such as covering oilcloth, anti-wind net.Because place out-of-flatness, limited space, slurry bag are crooked, slurry bag makes moist, and the factors such as distortion easily cause slurry buttress instability.Staff uses common ladder to starch in buttress process up and down, ladder upper end put forth effort on slurry buttress fixed point instability, slurry the hidden danger such as bag falls, ladder slips all very easily cause worker safety's accident.
Utility model content
The utility model provides a kind of step ladder, existing owing to putting forth effort on the instability of slurry buttress fixed point, the problem of slurry bag falls, ladder slips etc. hidden danger easily causes worker safety's accident in ladder upper end to solve.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of step ladder, and it comprises universal caster wheel and is in turn connected to form the main frame of right-angled triangle, underframe and cat ladder frame, and wherein, universal caster wheel is located at underframe.
Wherein, step ladder also comprises lifting support portion, and lifting support portion comprises connecting portion and lifting unit, and connecting portion is connected with underframe; Lifting unit and connecting portion are spirally connected the bearing height regulating described lifting unit.
Wherein, connecting portion is the fixture being provided with latch closure.
Wherein, connecting portion is that one end and lifting unit are spirally connected, the swingle that the other end is rotatably connected with underframe.
Wherein, step ladder also comprises the U-type groove being set up in underframe, and connecting portion is the expansion link slided in U-type groove.
Wherein, step ladder also band through hole draw together locking piece, locking piece is located on underframe.
Wherein, step ladder also comprises job platform and hydraulic lifting assembly, and job platform is located at main frame top; Hydraulic lifting assembly is located at below job platform to regulate job platform to rise or to decline.
Wherein, step ladder also comprises protective guard and handrail, protective guard and job platform pivot joint and protective guard rotatable 90 degree on the extended surface of job platform; Handrail is located at protective guard side.
Wherein, step ladder also comprises telescopic pedal, and telescopic pedal to be connected with main frame top by chain and to be slidably connected with protective guard.
Wherein, the surface of cat ladder frame and job platform is provided with anti-skidding striped.
The beneficial effects of the utility model are: the step ladder that the utility model provides comprises main frame, underframe and cat ladder frame and is in turn connected to form right-angled triangle, and arranges universal caster wheel at underframe, stabilized structure, and use safety is with convenient.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the utility model step ladder harvesting state stereogram;
Fig. 2 is the stereogram of the lifting feet of step ladder in Fig. 1;
Fig. 3 is the stereogram of the connecting portion embodiment be elevated in Fig. 2 in support portion;
Fig. 4 is the stereogram of another embodiment of connecting portion be elevated in Fig. 2 in support portion;
Fig. 5 is the structural representation sketch of the locking piece of the utility model step ladder;
Fig. 6 is the partial enlargement structural representation sketch of step ladder deployed condition in Fig. 1;
Fig. 7 is that the utility model step ladder carries out state stereogram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 1 is the utility model step ladder harvesting state stereogram, step ladder of the present utility model mainly comprises the universal caster wheel 1 that can entirely brake and the underframe 2 being in turn connected to form right-angled triangle, main frame 3 and cat ladder frame 4, leg-of-mutton step ladder 100, sound construction, there is reliable stability, improve the safety of use.
The main frame 3 of step ladder 100, underframe 2 and cat ladder frame 4 can be made up of more than one in iron, steel, aluminium, timber, plastic or other material, the preferred light high-intensity aluminium alloy extrusions of the utility model.
The universal caster wheel 1 preventing step ladder 100 from sliding is located at underframe 2, universal caster wheel 1 can be four, be located at four corners of underframe 2 respectively, also two or four can be increased on the basis of four, particularly, the two or four increased is located at the middle part of underframe 2 respectively, thus improves the sliding speed of step ladder 100, and prevention wherein one or two universal caster wheel 1 time damage step ladder 100 and still can use.
For improving the stability of strutting system of step ladder 100 further, step ladder 100 of the present utility model also further comprises lifting support portion 5, lifting feet comprises lifting unit 51 and connecting portion 52, connecting portion 52 is connected with underframe 2, the bearing height that lifting unit 51 and connecting portion 52 are spirally connected to regulate lifting unit 51 according to the degree of depth on ground, concrete, as shown in Figure 2, lifting unit 51 comprises grounding disc 511, elevating lever 512 and handle 513, connecting portion 52 can for being provided with the fixture of latch closure 521, latch closure 521 is fixedly connected with underframe 2 by fixed block 522, elevating lever 512 and latch closure 521 are spirally connected, operating personnel by handle 513 regulate the length of elevating lever 512 with make grounding disc 511 firmly with earth surface, prevent underframe 2 from sliding further and stably support step ladder 100.What deserves to be explained is, latch closure 521 can be nut, also can be tapped contiguous block.
Refer to Fig. 3 and Fig. 4, Fig. 3 is the stereogram of the connecting portion embodiment be elevated in Fig. 2 in support portion, and Fig. 4 is the stereogram of another embodiment of connecting portion be elevated in Fig. 2 in support portion.Connecting portion 52 in the utility model lifting support portion 5 can also be swingle 52 ' or expansion link 52 ".Particularly, as shown in Figure 3, step ladder 100 of the present utility model also comprises tapped U flap 6, one end and the lifting unit 51 of swingle 52 ' are spirally connected, the other end is connected with underframe 2 by the U flap of band screw 7, with the position making swingle 52 ' can rotate to find applicable lifting unit 51 fixed support around screw 7 in U flap 6.As shown in Figure 4, step ladder 100 also comprises the U-type groove 8 being set up in underframe 2, and connecting portion 52 is the expansion link 52 slided in U-type groove ".
Refer to Fig. 5, Fig. 5 is the structural representation sketch of the locking piece of the utility model step ladder.For improving the stability of step ladder 100 further, can also more than one locking piece 9 be set further on underframe 2, particularly, locking piece 9 is the ear block 92 of a band through hole 91, it is connected with the through hole 81 of ear block by rope or chain one end, and the other end is connected that with fixture step ladder 100 is more firmly located at a certain position.
Refer to Fig. 6, Fig. 6 is step ladder deployed condition partial enlargement structural representation sketch in Fig. 1.Step ladder 100 also comprises job platform 10, hydraulic lifting assembly 11, protective guard 12, handrail 13 and telescopic pedal 14, job platform 10 is located at main frame 3 top, hydraulic lifting assembly 11 is located at below job platform 10 to regulate job platform 10 to rise or decline, protective guard 12 and job platform 10 pivot joint, main frame 3 is provided with a supporting plate (not shown) and can stops on the extended surface of job platform 10 to make protective guard 12 when 90-degree rotation, handrail 13 is located at the side of protective guard 12, telescopic pedal 14 is connected with main frame 3 top by chain 15 and slips with protective guard 12 drawer type, protective guard 12 is received and kept by chain 15 or is launched, particularly, main frame 3 top is provided with hook part (not shown), one end of chain 15 is fixedly connected with main frame 3, the other end is fixedly connected with telescopic pedal 14 end, the length of chain 15 meets main frame 3 top and telescopic pedal 14 in required chain length when 90 degree, under harvesting state, chain link near chain 15 end of telescopic pedal 14 is buckled in the hook part on main frame 3 top, when job platform 10 needs to pile up neatly closer to paper pulp, the chain link being buckled in main frame 3 is decontroled, protective guard 12 rotates freely 90 degree on the extended surface of job platform 10, further, telescopic pedal 14 can be skidded off from protective guard 12, to pile up neatly near paper pulp further.
In actual design, the protective guard 12 of multiple above-mentioned adjustable length can be set, except except the side of cat ladder frame 4, to make operating personnel according to field operation demand flexible operating at the side of job platform 10.
Respectively being preferably dimensioned to be of step ladder 100 of the present utility model: profile is full-scale is the long 3600mm of underframe 2, the wide 1000mm of underframe 2, main frame 35000mm, the gradient of cat ladder is 53 °, podium level is 4000mm, ± 40mm adjustment can be carried out to job platform 10 by hydraulic lifting assembly 11, protective guard 12 is highly 1000mm, the protective guard 12 of deployed condition is so that telescopic pedal 14 can carry out length adjustment 1000-1800mm, what deserves to be explained is, each size of step ladder 100 can make according to need of work, is not limited in the cited size of the application.
Below parts and the annexation thereof of step ladder 100 is simply described, existing its use procedure of elaboration further.See also Fig. 7, Fig. 7 is that the utility model step ladder carries out state stereogram.
Generally, as shown in Figure 1, the top to main frame 3 received and kept by protective guard 12 to step ladder 100, lifting support portion 5 not with earth surface, the lifting support portion 5 of band swingle 52 ' rotates to the position close with underframe 2, band expansion link 52 " lifting support portion 5 slide in U-type groove 8.In use, step ladder 100 is pushed into paper pulp buttress side by operating personnel, step on the brake shelves of universal caster wheel 1, distinguish unrolling tape swingle 52 ' and band expansion link 52 according to the planeness on ground " lifting support portion 5, and according to the degree of depth on ground regulate the length of lifting unit 51 with make grounding disc 511 firmly with earth surface, after guaranteeing that equipment stop is stable, the height of operating personnel's paper pulp buttress makes job platform 10 rise or decline by regulator solution pressure lifting assembly 11 and visits distance to reach most suitable, after adjustment completes, operating personnel step on to job platform 10, the protective guard 12 being provided with telescopic pedal 14 near paper pulp buttress side is outwards turned over to turn 90 degrees and forms extension platform formation deployed condition as shown in Figure 7, meanwhile, supporting plate holds up protective guard 12, the chain 15 of telescopic pedal 14 stretches locked, protective guard 12 lateral overlap is to paper pulp buttress top, namely operating personnel visit slurry buttress by overhanging platform and protective guard 12, further, telescopic pedal 14 can be skidded off from protective guard 12, to pile up neatly near paper pulp further.
The beneficial effects of the utility model are: the step ladder 100 that the utility model provides comprises main frame 3, underframe 2 and cat ladder frame 4 and is in turn connected to form right-angled triangle, and arranges universal caster wheel 1 at underframe 2, stabilized structure, and use safety is with convenient; Different types of lifting support portion 5, guarantees that ascending table is stably supported in irregular ground; The overhanging protective guard 12 of adjustable length, to make operating personnel according to field operation demand flexible operating; Be provided with height-adjustable hydraulic lifting assembly 11 below job platform 10 and adapt to visiting of differing heights paper pulp buttress to make job platform 10.
These are only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model manual and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a step ladder, is characterized in that, comprise universal caster wheel and be in turn connected to form the main frame of right-angled triangle, underframe and cat ladder frame, wherein, described universal caster wheel is located at described underframe.
2. step ladder according to claim 1, is characterized in that, described step ladder also comprises lifting support portion, and described lifting support portion comprises:
Connecting portion, described connecting portion is connected with described underframe;
Lifting unit, described lifting unit and connecting portion are spirally connected the bearing height regulating described lifting unit.
3. step ladder according to claim 2, is characterized in that, described connecting portion is the fixture being provided with latch closure.
4. step ladder according to claim 2, is characterized in that, described connecting portion is that one end and described lifting unit are spirally connected, the swingle that the other end is rotatably connected with described underframe.
5. step ladder according to claim 2, is characterized in that, described step ladder also comprises the U-type groove being set up in described underframe, and described connecting portion is the expansion link slided in described U-type groove.
6. step ladder according to claim 2, is characterized in that, described step ladder also band through hole draw together locking piece, described locking piece is located on described underframe.
7. according to the step ladder in claim 1-6 described in any one, it is characterized in that, described step ladder also comprises:
Job platform, described job platform is located at described main frame top;
Hydraulic lifting assembly, described hydraulic lifting assembly is located at below described job platform to regulate described job platform to rise or to decline.
8. step ladder according to claim 7, is characterized in that, described step ladder also comprises:
Protective guard, described protective guard and described job platform pivot joint and described protective guard rotatable 90 degree on the extended surface of described job platform;
Handrail, described handrail is located at described protective guard side.
9. step ladder according to claim 8, is characterized in that, described step ladder also comprises telescopic pedal, and described telescopic pedal to be connected with described main frame top by chain and to be slidably connected with described protective guard.
10. step ladder according to claim 9, is characterized in that, the surface of described cat ladder frame and described job platform is provided with anti-skidding striped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395136.2U CN204040879U (en) | 2014-07-16 | 2014-07-16 | Step ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395136.2U CN204040879U (en) | 2014-07-16 | 2014-07-16 | Step ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204040879U true CN204040879U (en) | 2014-12-24 |
Family
ID=52241558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395136.2U Expired - Lifetime CN204040879U (en) | 2014-07-16 | 2014-07-16 | Step ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204040879U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201395A (en) * | 2015-10-19 | 2015-12-30 | 苏州天沃科技股份有限公司 | Mobile climbing ladder facilitating fixed positioning |
| CN106246095A (en) * | 2016-08-31 | 2016-12-21 | 美亚建筑用品（江苏）有限公司 | A kind of operation ladder |
| CN110539851A (en) * | 2019-07-11 | 2019-12-06 | 上海外高桥造船有限公司 | overturning pedal type rescue boat boarding platform |
| CN112421455A (en) * | 2020-10-26 | 2021-02-26 | 湖北工业大学 | Power transformation and distribution maintenance device |
| CN114809897A (en) * | 2022-05-24 | 2022-07-29 | 广东电网有限责任公司 | Intelligent protection climbing device for power grid maintenance operation |
-
2014
- 2014-07-16 CN CN201420395136.2U patent/CN204040879U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201395A (en) * | 2015-10-19 | 2015-12-30 | 苏州天沃科技股份有限公司 | Mobile climbing ladder facilitating fixed positioning |
| CN106246095A (en) * | 2016-08-31 | 2016-12-21 | 美亚建筑用品（江苏）有限公司 | A kind of operation ladder |
| CN110539851A (en) * | 2019-07-11 | 2019-12-06 | 上海外高桥造船有限公司 | overturning pedal type rescue boat boarding platform |
| CN112421455A (en) * | 2020-10-26 | 2021-02-26 | 湖北工业大学 | Power transformation and distribution maintenance device |
| CN114809897A (en) * | 2022-05-24 | 2022-07-29 | 广东电网有限责任公司 | Intelligent protection climbing device for power grid maintenance operation |
| CN114809897B (en) * | 2022-05-24 | 2023-09-12 | 广东电网有限责任公司 | Intelligent protection climbing device for power grid maintenance operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |