CN103104186B - Outdoor operation ladder - Google Patents
Outdoor operation ladder Download PDFInfo
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- CN103104186B CN103104186B CN201310040718.9A CN201310040718A CN103104186B CN 103104186 B CN103104186 B CN 103104186B CN 201310040718 A CN201310040718 A CN 201310040718A CN 103104186 B CN103104186 B CN 103104186B
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- ladder
- descending stair
- metal frame
- bar
- outdoor
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Abstract
The invention discloses an outdoor operation ladder, and relates to a ladder device assisting outdoor operation in the forestry industry. The operation ladder comprises an upper ladder (15), a middle ladder (13), a lower ladder (10), a support bracket (5), a metal frame (16) and sliding-stopping plates (9). The operation ladder is characterized in that the support bracket (5) is folded through a stretching bushing; the support bracket (5) is connected and fixed with the upper ladder (15) and the metal frame (16) through bolts; a connecting stretcher bar (1) is arranged at the top of the upper ladder (15); the sliding-stopping plates (9) and base pins (8) are arranged at the bottom of the lower ladder (10); the base pins (8) can sink into the earth; and the sliding-stopping plates (9) can be used for preventing the lower ladder (10) from sinking into the earth. The outdoor operation ladder has the advantages of being capable of being quickly assembled and disassembled, easy to fold and carry, and applicable to artificial fruit tree pollination, fruit tree pruning, flower and fruit thinning, fruit collecting operation, and the like in the outdoor hillside land high-altitude forestry, and the ladder is provided with the metal frame similar to a bench plate, and the connecting bar which can be used by an operator for proper rest.
Description
Technical field
The present invention relates to and a kind of outdoor operation ladder, be specifically related to a kind of ladder device of auxiliary forestry outdoor study.
Background technology
The ladder of at present conventional about 6m mostly adopts two to connect telescopic lift, and rarely found three connect ladder, and the limitation of design due to ladder, not for outdoor operations job design ladder, especially in the outdoor study of forestry, agricultural.The time that the ladder generally used due to people carries out operation is shorter, so seldom to see band plate stool in traditional ladder design.And forestry operation task out of doors: fruit tree artificial pollination, pruning fruit tree, flower and fruit thinning and fruit receipts etc., the time of each operation is relatively more of a specified duration, and traditional operating type is behaved and stood in for a long time on ladder, easily tired, causes inefficiency.And traditional ladder is mainly not folding long ladder, or two connect ladder, and these ladders carry (pony car or minibus) and inconvenience thereof for open air, can only be placed in roof because ladder is long.For this reason, people are for long ladder operation task and conveniently carry problem, found out various lifting stair tool to overcome the problems referred to above.
By literature search, we retrieved Collapsible ladder equipment, but if these ladders are used in the outdoor study of forestry agricultural, all there is certain shortcoming, such as:
1. Chinese patent, application number: CN201010286919.3, title: a kind of three connect lift, summary: disclosure of the invention a kind of three connects lifts and comprises ladder and descending stair, upper ladder is made up of two upper ladder sides and a several grade bar of stepping on, descending stair is made up of two lower ladder sides and a several grade bar of stepping on, ladder in being provided with between upper ladder and descending stair, middle ladder is also made up of two middle ladder sides and a several grade bar of stepping on, descending stair is consistent with upper breadth of the lift degree, middle breadth of the lift degree is less than the width of descending stair and upper ladder, the first lifting pulley device for drawing high ladder and the second lifting pulley device terraced in drawing high are installed between upper ladder and middle ladder and between middle ladder and descending stair respectively, upper ladder side and middle ladder side are all established and can lock ladder for a pair when drawing high to can the unlocked position device of setting one's teeth on edge that makes ladder land when required height and landing.Though this invention three connects lift can carry out Portable lifting, it does not have bench to design, and is unfavorable for carrying out long-time ladder operation task; And this ladder is also unfavorable for outdoor use, ladder is difficult to find other supporting object out of doors.
2. Chinese patent, application number: CN200980108073.X, title: ladder, ladder sections and correlation technique, summary: provides ladder, ladder sections and correlation technique.In certain embodiments, provide the adjustable stepladder comprising locking mechanism, described locking mechanism can by applying towards the track of ladder the height that power regulates ladder.In other embodiments, spreader mechanism is provided with locates and is configured to provide to ladder the cross bracing of additional stability, and cross bracing is also combined with handle simultaneously, and this handle effectively can turn up ladder, reduces the possibility of clamping hand or finger simultaneously.In another embodiment, provide a kind of device for optionally connecting with ladder, this device comprises supporting track or safety track and adjustable bracket.Described device can link up with ladder under the multiple diverse locations comprising stowed position.In another embodiment, provide a kind of hinge assembly with magnetic part, this magnetic part is configured to connect with object magnetic and temporarily left on ladder by object.Compared to the prior art the ladder of this invention, ladder sections and correlation technique, can realize multi-functional ladder and regulate, use more for convenience, be also easy to folding; But this device is for still comparatively complicated, and ladder cost is high, can not try out in outdoor operations operation, is not also applicable to the design that operator has a rest, therefore still not very convenient use.
The present inventor finds through carrying out the operation of forestry outdoor operations for a long time, the metal frame of similar stool plated construction is added in ladder, and the auxiliary use of bracing frame, outwork efficiency can be improved, and ladder is designed to three even liftings, and rely on the bushing formula bracing frame that stretches effectively to support, ladder is easy to carry, the fatigue strength simultaneously in use reduced a staff, the operating efficiency greatly improving staff, the personal safety of energy effective guarantee personnel.
Summary of the invention
The present invention is directed to outdoor stair tool length of the prior art long being unfavorable for carries, and cost of manufacture is high, is unfavorable for outdoor use etc., inconvenient shortcoming, there is provided a kind of outdoor operation ladder, i.e. the ladder device of a kind of auxiliary forestry outdoor study, to solve above-mentioned existing problems.
The know-why of the present invention program comprises:
(1) time owing to using ladder out of doors, more difficultly find suitable supporting object, so by the bushing formula bracing frame of design stretching, not only be conducive to bracing frame to be beneficial to and to carry, also can facilitate the open air use of ladder, bracing frame is connected by the metal frame of bolt mouth with upper ladder, similar stool plated construction, and be connected to form stable triangular structural formula, ladder is firm.
(2) because outwork person many times needs ladder to carry out working long hours operation, easy generation sense of fatigue, reduce operating efficiency, by ladder upper end design class like stool plated construction metal frame be connected blend stop, form the Chair structure be similar in daily life, the width of metal frame is less than the width of ladder, and time when carrying or in operation task without metal frame, metal frame can fall into two and step between grade bar; Operator uses metal frame when carrying out long working, and metal frame is supported by bracing frame and removable support bar, and braced structures is firm, and this metal frame body structure surface have also been devised metal skid-proof plate, prevents from producing landing during operator's rest.
(3) because outdoor study mainly occurs on uneven meadow or on acclive a little hillside, traditional ladder base is more stiff, be difficult to be stationed on the ground firmly at earth, namely allow to be stationed, also be easy to be trapped in earth, so the present invention is at the bottom design sole of reverse tapered shapes of ladder, be beneficial to ladder and quarter at earth on the ground, adjoin upper end at sole and devise gear slide plate, ladder is prevented too much to be trapped in earth, and fixing nail catcher is provided with on gear slide plate, can with in the object knock-in tack mouth of similar nail when necessary, ladder is reinforced.
(4) the upper ladder of this device, middle ladder, descending stair are slidably ladder, the both sides ladder bar of three solars is installed slide block device respectively and is formed groove change, trough rim is engaged respectively, form occlusal surface, its concrete occlusion structure figure is shown in Fig. 3, the structure of occlusion is coupling type, and this structure can prevent coming off between ladder, strengthens safety when ladder uses.In addition, between upper ladder and middle ladder, between middle ladder and descending stair, step on that grade bar carries out being engaged by descending stair fastening structure and middle ladder, grade bar of stepping on of upper terraced fastening structure and upper ladder carries out being engaged and realize fixing, desired height regulates by fastening structure, and its schematic diagram is shown in accompanying drawing 4 and accompanying drawing 5.
Technical scheme of the present invention is achieved in that
Constructing a kind of outdoor operation ladder, is the device can assisting forestry outdoor study, comprises ladder, middle ladder, descending stair, steps on a grade bar, it is characterized in that: this operating ladder also comprises bracing frame, metal frame, gear slide plate, connects blend stop, sole.Described terraced top is provided with and connects shelves bar, gear slide plate and sole is provided with bottom described descending stair, upper ladder, middle ladder, descending stair by self chute and to arrange fastening structure Telescopic Fixed, the upper joint of bracing frame and upper ladder and metal frame with bolts, lower joint and the descending stair of bracing frame adopt fixed connecting rod to be connected.Bracing frame is gone up joint most and is had two bolts hole, makes it be connected with upper ladder, metal frame by bolt, and descending stair and bracing frame adopt fixed connecting rod to be connected, and form stable triangular structure, ladder structure is firm.
Connected by bracing frame connecting rod between two support bars of above-described bracing frame; Support frame as described above merogenesis forms, each joint bushingly carries out contracting by stretching and folds, and fixes by the bracing frame connecting rod nut with bolt end after each joint stretches, often joint bracing frame length of connecting rod is 30-60cm, bracing frame joint number is more than 4 joints, and often saving the rear length of bracing frame stretching is 1.0-1.5m.
Above-described metal frame and upper ladder are connected and fixed by fixing motion bar and removable support bar, and metal frame width is less than breadth of the lift degree.Metal frame is similar to the structure of chair with being connected blend stop formation, convenient operation person has a rest, and this metal frame is lined with the textured metal skid-proof plate of tool, and body structure surface is anti-skidding, prevents operator's landing.Time when carrying or in operation task without metal frame, metal frame can fall into ladder.
Above-described upper ladder, middle ladder, descending stair length are respectively 1.2-2.6m; Described grade bar length of stepping on is respectively 30-60cm, and its upper and lower spacing is 30-40cm.
Ladder on the above, middle ladder, descending stair are slidably ladder, the both sides ladder bar of three solars is set with, trough rim is engaged respectively, form occlusal surface, its concrete occlusion structure figure is shown in Fig. 3, the structure of occlusion is coupling type, and this structure can prevent coming off between ladder, strengthens safety when ladder uses.Between upper ladder and middle ladder, between middle ladder and descending stair, step on that grade bar carries out being engaged by descending stair fastening structure and middle ladder, upper terraced fastening structure and upper ladder step on grade bar carry out being engaged realize fixing, desired height regulates by fastening structure, and its schematic diagram is shown in accompanying drawing 4 and accompanying drawing 5.
Sole described in this outdoor operation ladder can be absorbed in earth, gear slide plate and staple mouth add nail fixing after, descending stair can be prevented to be absorbed in earth.
The invention has the beneficial effects as follows:
1. advantage of the present invention is that apparatus structure is simple, and cost of manufacture is low, and ladder is three liftings, and is designed with the bushing formula bracing frame that stretches, and is beneficial to assembly and disassembly operation; The height of ladder can reach more than 6m, but car or minivan can be used to carry out transporting or collecting after dismounting.
2. the bracing frame of the present invention's design is conducive to solving the difficult problem that outdoor ladder is not easy to find supporter, and devise metal frame structure in the upper end of ladder, outwork person suitably can be had a rest when using ladder to carry out long-time operation, slowing down work fatigue, increasing work efficiency.
3. the ladder base of the present invention's design has and can enter back taper sole in earth and antiskid plate, is beneficial to being stationed of outdoor ladder, carries out effectively outdoor forestry agricultural operation task.Slided by limit groove between the upper ladder that ladder comprises, middle ladder, descending stair, the occlusal surface that limit groove is formed is similar to the structure of hook, when making ladder, middle ladder, descending stair along ladder longitudinal sliding motion, can not deviate from entirety, and when having slide block to make to slide, friction reduces.
Accompanying drawing explanation
Fig. 1 is the structural representation of outdoor operation ladder of the present invention;
Identify in figure: 1-connects shelves bar, and 2-fixes motion bar, the removable support bar of 3-, 4-support link, 5-bracing frame, 5a-metal frame bolt mouth, 5b-upper ladder shell bolt mouth, 6-fixed connecting rod, 7-staple mouth, 8-sole, 9-keeps off slide plate, 10-descending stair, 11-descending stair fastening structure, 12-steps on a grade bar, ladder in 13-, the upper terraced fastening structure of 14-, the upper ladder of 15-, 16-metal frame, 17-metal skid-proof plate.
Fig. 2 is outdoor operation ladder bracing frame of the present invention condensation and the structural representation after stretching;
Identify in figure: 4-support link, 5-bracing frame, 5a-metal frame bolt mouth, 5b-upper ladder shell bolt mouth.
Fig. 3 is upper ladder, middle ladder and descending stair condensation structural section schematic top plan view;
Identify in figure: 10-descending stair, 12-steps on a grade bar, ladder in 13-, the upper ladder of 15-.
Fig. 4 is that in outdoor operation ladder of the present invention, ladder lock closes structural representation;
Identify in figure: 12-steps on a grade bar, ladder in 13-, the upper terraced fastening structure of 14-, the upper ladder of 15-.
Fig. 5 is outdoor operation ladder descending stair fastening structure schematic diagram of the present invention;
Identify in figure: 10-descending stair, 11-descending stair fastening structure, 12-steps on a grade bar, ladder in 13-.
Detailed description of the invention
Describe a kind of outdoor operation ladder of the present invention below in conjunction with drawings and Examples, these descriptions are not be further limited content of the present invention.
Embodiment 1
As shown in Figure 1, this outdoor operation ladder, comprises and connects blend stop 1, fixing motion bar 2, removable support bar 3, support link 4, bracing frame 5, fixed connecting rod 6, staple mouth 7, sole 8, gear slide plate 9, descending stair 10, descending stair fastening structure 11, step on grade bar 12, middle terraced 13, upper terraced fastening structure 14, upper terraced 15, metal frame 16, metal skid-proof plate 17.Upper terraced 15, middle terraced 13, descending stair 10 is slided by the limit groove shown in Fig. 3, after sliding on ladder between ladder 15 and middle terraced 13, between middle terraced 13 and descending stair 10, step on that grade bar 12 carries out being engaged by descending stair fastening structure 11 and middle ladder, upper terraced fastening structure 14 and upper ladder step on grade bar 12 carry out being engaged realize fixing, desired height regulates by fastening structure, and its schematic diagram is shown in accompanying drawing 4 and accompanying drawing 5.Bracing frame 5 is stretched and opens, as shown in Fig. 2 (right side), insert the bolt mouth place on each joint by support link 4 correspondence of two ends strap bolt, and with hex nut, bracing frame 5 is fixed into support link 4.And ladder shell bolt mouth 5b on the metal frame bolt mouth 5a and upper terraced 15 utilizing bolt fixing metal frame 16, metal frame is supported can use, removable support bar 3 is utilized to be connected and fixed further with metal frame 16 and upper terraced 15, the steadiness of reinforcement metal frame 16.The fixed connecting rod 6 of descending stair 10 is for connecting bracing frame 5 and ladder, and connect effect as shown in Figure 1, make ladder define three-legged structure, ladder securely degree is strengthened.If ladder is in indoor use or when having the of short duration use in the outdoor of supporter, can without bracing frame 5, upper terraced 15, middle terraced 13, descending stair 10 is directly undertaken sliding by the limit groove of Fig. 3 the height of adjustment ladder, after sliding ladder by upper and lower terraced fastening structure with step on grade bar and carry out being engaged and fix and can use, fastening structure is shown in accompanying drawing 4,5.
Adopt square aluminum alloy material to make in the present embodiment, upper terraced 15, middle terraced 13, descending stair 10 length is all 2m, and stepping on its neighbor distance of grade bar 12 is 40cm; Bracing frame joint number is 5 joints, and often saving length is 1.2m, the use end of operation of outdoor operation ladder.Dismantled by bracing frame, upper terraced 15, middle terraced 13, descending stair 10 is removed occlusion structure and is carried out with the connection of stepping on grade bar 12, and condensation can be deposited again.
Embodiment 2:
Difference from Example 1 is to adopt square stainless steel material to make, and upper terraced 15, middle terraced 13, descending stair 10 length is all 2.2m, and stepping on its neighbor distance of grade bar 12 is 38cm; Bracing frame joint number is 5 joints, and often saving length is 1.5m, and all the other modes of operation are identical with embodiment 1.
Embodiment 3;
Difference from Example 1 is to adopt engineering plastic materials to make, and upper terraced 15, middle terraced 13, descending stair 10 length is all, 2.0m, and stepping on its neighbor distance of grade bar 12 is 36cm; Bracing frame joint number is 6 joints, and often saving length is 1.2cm, and all the other modes of operation are identical with embodiment 1.
Embodiment 4;
Difference from Example 1 is to adopt aluminum alloy materials to make, and upper terraced 15, middle terraced 13, descending stair 10 length is all, 2.5m, and stepping on its neighbor distance of grade bar 12 is 48cm; Bracing frame joint number is 6 joints, and often saving length is 1.5cm, and all the other modes of operation are identical with embodiment 1.
The present invention is through multidigit forestry outwork personnel long-term work experience accumulation, and is created by creative work, its in vast forest farm, farm, fruit tree field trial effect be good, operating efficiency is high, safe and reliable, convenient transport or collection, cost of manufacture is low, is applicable to very much the outdoor use in mountain region.
Claims (4)
1. an outdoor operation ladder, that three of auxiliary forestry outdoor study is even elevated ladder device, comprise ladder (15), middle ladder (13), descending stair (10), step on a grade bar (12), it is characterized in that: this operating ladder also comprises bracing frame (5), metal frame (16), gear slide plate (9), connects shelves bar (1), sole (8); Described upper ladder (15) top is provided with and connects shelves bar (1), described descending stair (10) bottom is provided with gear slide plate (9) and sole (8), upper ladder (15), middle ladder (13), descending stair (10) by self chute and to arrange fastening structure Telescopic Fixed, the upper joint of bracing frame (5) and upper ladder (15) and metal frame (16) with bolts, lower joint and the descending stair (10) of bracing frame (5) adopt fixed connecting rod (6) to be connected;
Connected by support link (4) between two support bars of described bracing frame (5); Support frame as described above (5) merogenesis forms, each joint by stretch bushing carry out contracting fold, each joint is fixed with nut by the support link (4) with bolt end after stretching, often saving support link (4) length is 30-60cm, bracing frame (5) joint number is more than 4 joints, and often saving the rear length of bracing frame (5) stretching is 1.0-1.5m;
Described chute is upper ladder (15), both sides between middle ladder (13), descending stair (10) ladder bar is installed slide block device respectively and formed trough rim, and trough rim is engaged respectively, and form occlusal surface, occlusal surface structure is coupling type.
2. outdoor operation ladder according to claim 1, is characterized in that: described metal frame (16) is connected and fixed by fixing motion bar (2) and removable support bar (3) with upper ladder (15), and metal frame (16) width is less than ladder (15) width.
3. outdoor operation ladder according to claim 1, is characterized in that: described metal frame (16) establishes textured metal skid-proof plate (17).
4. outdoor operation ladder according to claim 1, is characterized in that: described upper ladder (15), middle ladder (13), descending stair (10) length are respectively 1.2-2.6m; A described grade bar (12) length of stepping on is respectively 30-60cm, and its upper and lower spacing is 30-40cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040718.9A CN103104186B (en) | 2013-02-01 | 2013-02-01 | Outdoor operation ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040718.9A CN103104186B (en) | 2013-02-01 | 2013-02-01 | Outdoor operation ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103104186A CN103104186A (en) | 2013-05-15 |
| CN103104186B true CN103104186B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310040718.9A Expired - Fee Related CN103104186B (en) | 2013-02-01 | 2013-02-01 | Outdoor operation ladder |
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| Country | Link |
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| CN (1) | CN103104186B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727730A (en) * | 2015-01-22 | 2015-06-24 | 李海红 | Cable maintenance ladder |
| CN106014186B (en) * | 2016-06-29 | 2017-07-07 | 广德县丰源蔬果种植家庭农场 | A kind of foot of ladder adjusting means for red bayberry picking ladder |
| CN110056305A (en) * | 2019-01-10 | 2019-07-26 | 宁波市由乐讯通讯科技有限公司 | A kind of picking fruit climbing frame |
| CN111720041A (en) * | 2019-03-22 | 2020-09-29 | 世亚电子（苏州）有限公司 | Platform extension ladder |
| CN113459292B (en) * | 2021-07-28 | 2022-12-13 | 江西志宏安防科技有限公司 | Security and protection wiring system suitable for intelligent building |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2530015Y (en) * | 2001-10-30 | 2003-01-08 | 张国益 | Active garden ladder |
| CN2775276Y (en) * | 2005-01-26 | 2006-04-26 | 罗振华 | Three foot telescopic ladder |
| CN101956521A (en) * | 2010-09-16 | 2011-01-26 | 华东琅琊山抽水蓄能有限责任公司 | Three-linkage lifting ladder |
| CN202157738U (en) * | 2011-07-08 | 2012-03-07 | 李静 | Ladder for garden |
| CN203066841U (en) * | 2013-02-01 | 2013-07-17 | 广西壮族自治区林业科学研究院 | Field operation ladder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0113835D0 (en) * | 2001-06-06 | 2001-08-01 | Harrison Steven E | Ladder stabilisers |
-
2013
- 2013-02-01 CN CN201310040718.9A patent/CN103104186B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2530015Y (en) * | 2001-10-30 | 2003-01-08 | 张国益 | Active garden ladder |
| CN2775276Y (en) * | 2005-01-26 | 2006-04-26 | 罗振华 | Three foot telescopic ladder |
| CN101956521A (en) * | 2010-09-16 | 2011-01-26 | 华东琅琊山抽水蓄能有限责任公司 | Three-linkage lifting ladder |
| CN202157738U (en) * | 2011-07-08 | 2012-03-07 | 李静 | Ladder for garden |
| CN203066841U (en) * | 2013-02-01 | 2013-07-17 | 广西壮族自治区林业科学研究院 | Field operation ladder |
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| CN103104186A (en) | 2013-05-15 |
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Granted publication date: 20150722 Termination date: 20180201 |