CN103104186A - Outdoor operation ladder - Google Patents
Outdoor operation ladder Download PDFInfo
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- CN103104186A CN103104186A CN2013100407189A CN201310040718A CN103104186A CN 103104186 A CN103104186 A CN 103104186A CN 2013100407189 A CN2013100407189 A CN 2013100407189A CN 201310040718 A CN201310040718 A CN 201310040718A CN 103104186 A CN103104186 A CN 103104186A
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- ladder
- bracing frame
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- metal frame
- descending stair
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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 study ladder, be specifically related to a kind of ladder device of auxiliary forestry outdoor study.
Background technology
At present the ladder of commonly used 6m left and right mostly adopts two to connect telescopic lift, and rarely found three connect ladder, and due to the limitation of the design of ladder, not for outdoor operation task design ladder, especially in the outdoor study of forestry, agricultural.It is shorter that the ladder that uses because people are general carries out the time of operation, so seldom see the band plate stool in the design of traditional ladder.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 more of a specified duration, and traditional operating type is behaved and stood in for a long time on ladder, and is easily tired, causes inefficiency.And traditional ladder is mainly not collapsible long ladder, and perhaps two connect ladder, and these ladders carry (pony car or minibus) and inconvenience thereof for the open air, can only be placed in roof because ladder is long.For this reason, people have found out various lifting ladder instruments to overcome the problems referred to above for long ladder operation task and the convenient problem of carrying.
By literature search, we have retrieved Collapsible ladder equipment, but if these ladders use in the outdoor study of forestry agricultural, all have certain shortcoming, for example:
1. Chinese patent, application number: CN201010286919.3, title: a kind of three connect lift, summary: disclosure of the invention a kind of three connect lifts and comprise ladder and descending stair, upper ladder is comprised of two upper ladder sides and several grade bar of stepping on, descending stair is comprised of two lower ladder sides and several grade bar of stepping on, be provided with middle ladder between upper ladder and descending stair, middle ladder also is comprised of two middle ladder sides and 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 the second lifting pulley device that is used for drawing high the first lifting pulley device of ladder and draws high ladder is being installed respectively between upper ladder and middle ladder and between middle ladder and descending stair, all establish on upper ladder side and middle ladder side a pair of can lock when drawing high ladder to required height and when landing the position that can unlock make the device of setting one's teeth on edge of ladder landing.Though this invention three connects lift and can carry out Portable lifting, it does not have the bench design, is unfavorable for carrying out long-time ladder operation task; And this ladder also is unfavorable for outdoor use, and 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: one provides ladder, ladder sections and correlation technique.In certain embodiments, provide the stepladder regulated that comprises locking mechanism, described locking mechanism can apply by the track towards ladder the height that power is regulated ladder.In other embodiments, spreader mechanism is provided with the cross bracing of locating and being configured to provide to ladder additional stability, and cross bracing also is combined with handle simultaneously, and this handle can effectively be turned up ladder, the possibility that reduces simultaneously to clamp hand or finger.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 comprising under a plurality of diverse locations of stowed position.In another embodiment, provide a kind of hinge assembly with magnetic part, this magnetic part is configured to connect and object is temporarily left on ladder with object magnetic.Compared to the prior art the ladder of this invention, ladder sections and correlation technique can realize multi-functional ladder adjusting, use more for convenience, also are easy to fold; But this device is for still comparatively complicated, and the ladder cost is high, can not try out in outdoor operation task, also is not applicable to the design that the operator has a rest, and is not still therefore very convenient use.
The inventor finds through carrying out for a long time the outdoor operation task of forestry, the metal frame that adds similar stool plated construction in ladder, and the auxiliary use of bracing frame, can improve outwork efficient, and ladder is designed to three connects lifting, and rely on the edge shell type bracing frame that stretches effectively to support, ladder is easy to carry, the fatigue strength that in use reduces a staff simultaneously, the operating efficiency that has greatly improved the staff, energy effective guarantee personnel's personal safety.
Summary of the invention
The present invention is directed to outdoor ladder 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, a kind of outdoor study ladder is provided, i.e. a kind of ladder device of auxiliary forestry outdoor study is to solve above-mentioned existing problems.
The present invention program's know-why comprises:
(1) owing to using ladder out of doors, more difficultly find suitable supporting object, inlay the shell type bracing frame so stretch by design, not only being conducive to bracing frame is beneficial to and carries, 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, is connected to form the stable triangular structural formula, and ladder is firm.
(2) because outwork person many times needs the ladder operation that works long hours, easily produce sense of fatigue, reduce operating efficiency, by the upper end of ladder design class like the metal frame of stool plated construction be connected blend stop, formation is similar to the Chair structure in daily life, the width of metal frame is less than the width of upper ladder, and during without metal frame, metal frame can fall into two and step between grade bar when carrying or in operation task; The operator uses metal frame when carrying out long working, metal frame supports by bracing frame and removable support bar, and braced structures is firm, and this metal frame body structure surface has also designed the metal skid-proof plate, generation landing when preventing operator's rest.
(3) because outdoor study mainly occurs on uneven meadow or on acclive a little hillside, more stiff bottom traditional ladder, 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 in the bottom design of ladder the sole of reverse tapered shapes, be beneficial to ladder and quarter at earth on the ground, designed under foot the gear slide plate in abutting connection with the upper end, prevent that ladder too much is trapped in earth, and be provided with fixedly nail catcher on the gear slide plate, must the time can the object knock-in tack mouth with similar nail in, ladder is reinforced.
(4) the upper ladder of this device, middle ladder, descending stair are ladder slidably, the both sides ladder bar of three solars is installed respectively slide block device and is formed the groove change, trough rim carries out respectively interlock, form occlusal surface, its concrete occlusion structure figure sees Fig. 3, the structure of interlock is coupling type, and this structure can prevent coming off between ladder, has strengthened the safety when ladder uses.In addition, between upper ladder and middle ladder, between middle ladder and descending stair, step on grade bar by descending stair fastening structure and middle ladder and carry out interlock, upper ladder lock and close grade bar of stepping on of structure and upper ladder and carry out interlock and realize fixingly, desired height can be regulated by fastening structure, and its schematic diagram is seen accompanying drawing 4 and accompanying drawing 5.
Technical scheme of the present invention is achieved in that
Constructing a kind of outdoor study ladder, is the device that can assist the 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 the shelves bar, described descending stair bottom is provided with gear slide plate and sole, upper ladder, middle ladder, descending stair by self chute and that fastening structure is set is Telescopic Fixed, the upper joint of bracing frame and upper ladder and metal frame are with bolts, and the lower joint of bracing frame adopts fixed connecting rod to be connected with descending stair.Bracing frame is gone up joint most and is had two bolts hole, and it can be connected with upper ladder, metal frame by bolt, and descending stair is connected fixed connecting rod to connect with bracing frame, form the stable triangular structure, and ladder structure is firm.
Connect by the bracing frame connecting rod between two support bars of above-described bracing frame; The support frame as described above merogenesis forms, each joint inlay cover by stretchings and is contracted foldedly, and each joint stretching is rear to be fixed with nut by the bracing frame connecting rod with bolt end, and every joint bracing frame length of connecting rod is 30-60cm, the bracing frame joint number is that after every joint bracing frame stretches, length is 1.0-1.5m more than 4 joints.
Above-described metal frame and upper ladder are connected and fixed by fixedly motion bar and removable support bar, and the metal frame width is less than upper breadth of the lift degree.Metal frame be connected blend stop and form the structure be similar to chair, convenient operation person has a rest, and is lined with the textured metal skid-proof plate of tool on this metal frame, body structure surface is anti-skidding, prevents operator's landing.During without metal frame, metal frame can fall into ladder when carrying or in operation task.
Above-described upper ladder, middle ladder, descending stair length are respectively 1.2-2.6m; The described grade bar length of stepping on is respectively 30-60cm, and between its up and down, distance is 30-40cm.
Ladder on the above, middle ladder, descending stair are ladder slidably, the both sides ladder bar of three solars is set with, trough rim carries out respectively interlock, form occlusal surface, its concrete occlusion structure figure sees Fig. 3, the structure of interlock is coupling type, and this structure can prevent coming off between ladder, has strengthened the safety when ladder uses.Between upper ladder and middle ladder, between middle ladder and descending stair, stepping on grade bar by descending stair fastening structure and middle ladder carries out interlock, upper ladder lock and closes grade bar of stepping on of structure and upper ladder and carry out interlock and realize fixing, desired height can be regulated by fastening structure, and its schematic diagram is seen accompanying drawing 4 and accompanying drawing 5.
The described sole of this outdoor study ladder can be absorbed in earth, gear slide plate and staple mouth add nail fixing after, can prevent that descending stair is 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 edge shell type bracing frame that stretches, and is beneficial to the assembly and disassembly operation; More than the height of ladder can reach 6m, but through using car or minivan to transport or collect after dismounting.
2. the bracing frame of the present invention's design has been conducive to solve the difficult problem that outdoor ladder is not easy to find supporter, and designed the metal frame structure in the upper end of ladder, make outwork person can suitably have a rest when using ladder to carry out long-time operation, slow down work fatigue, increase work efficiency.
3. bottom the ladder of the present invention's design, back taper sole and the antiskid plate that can enter in earth arranged, be beneficial to being stationed of outdoor ladder, carry out effectively outdoor forestry agricultural operation task.Slide by the limit groove between the upper ladder that ladder comprises, middle ladder, descending stair, the occlusal surface that the limit groove forms is similar to the structure of hook, when making ladder, middle ladder, descending stair along the ladder longitudinal sliding motion, can not deviate from integral body, and has slide block to make that when sliding, friction reduces.
Description of drawings
Fig. 1 is the structural representation of outdoor study ladder of the present invention;
Identify in figure: 1-connects the shelves bar, and 2-is motion bar fixedly, the removable support bar of 3-, 4-support link, the 5-bracing frame, 5a-metal frame bolt mouth, the upper ladder shell bolt of 5b-mouth, the 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-, and the upper ladder lock of 14-closes structure, the upper ladder of 15-, 16-metal frame, 17-metal skid-proof plate.
Fig. 2 is the structural representation after outdoor study ladder of the present invention bracing frame condensation and stretching;
Identify in figure: 4-support link, 5-bracing frame, 5a-metal frame bolt mouth, the upper ladder shell bolt of 5b-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-are stepped on a grade bar, ladder in 13-, the upper ladder of 15-.
Fig. 4 is that on outdoor study ladder of the present invention, ladder lock closes structural representation;
Identify in figure: 12-steps on a grade bar, ladder in 13-, and the upper ladder lock of 14-closes structure, the upper ladder of 15-.
Fig. 5 is outdoor study ladder descending stair fastening structure schematic diagram of the present invention;
Identify in figure: the 10-descending stair, 11-descending stair fastening structure, 12-steps on a grade bar, ladder in 13-.
The specific embodiment
Describe a kind of outdoor study ladder of the present invention below in conjunction with drawings and Examples, these descriptions are not that content of the present invention is done further to limit.
Embodiment 1
As shown in Figure 1, this outdoor study ladder comprises connecting blend stop 1 that fixedly 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 ladder lock closes structure 14, upper terraced 15, metal frame 16, metal skid-proof plate 17.Upper terraced 15, middle terraced 13, descending stair 10 slides by limit groove shown in Figure 3, after sliding on ladder between ladder 15 and middle terraced 13, middle terraced 13 and descending stair 10 between, stepping on grade bar 12 by descending stair fastening structure 11 and middle ladder carries out interlock, upper ladder lock and closes grade bar 12 of stepping on of structure 14 and upper ladder and carry out interlock and realize fixing, desired height can be regulated by fastening structure, and its schematic diagram is seen accompanying drawing 4 and accompanying drawing 5.Bracing frame 5 is stretched open, as shown in Fig. 2 (right side), with the corresponding bolt mouth place that inserts on each joint of the support link 4 of two ends strap bolt, and with hex nut, support link 4 is fixed into bracing frame 5.And utilize ladder shell bolt mouth 5b on the metal frame bolt mouth 5a and upper terraced 15 of bolt fixing metal frame 16, making metal frame be supported can use, utilize removable support bar 3 further to be connected and fixed 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 used for connecting bracing frame 5 and ladder, connects effect as shown in Figure 1, makes ladder form three-legged structure, and ladder safety firmly degree is strengthened.As ladder in indoor use or when the outdoor of short duration use of supporter is arranged, can be without bracing frame 5, upper terraced 15, middle terraced 13, the descending stair 10 directly limit groove by Fig. 3 slides and adjusts the height of ladder, after sliding, ladder closes structure and steps on grade bar and carry out that interlock is fixing can be used by the up and down ladder lock, and fastening structure is seen accompanying drawing 4,5.
Adopt the square aluminum alloy material to make in the present embodiment, upper terraced 15, middle terraced 13, descending stair 10 length are all 2m, and stepping on grade bar 12 its neighbor distance is 40cm; The bracing frame joint number is 5 joints, and every joint length is 1.2m, the use end of operation of outdoor study ladder.Again with bracing frame dismounting, upper terraced 15, middle terraced 13, descending stair 10 is removed occlusion structures and is carried out with stepping on being connected of grade bar 12, and condensation can be deposited.
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 are all 2.2m, and stepping on grade bar 12 its neighbor distance is 38cm; The bracing frame joint number is 5 joints, and every joint length is 1.5m, and all the other modes of operation are identical with embodiment 1.
Difference from Example 1 is to adopt engineering plastic materials to make, and upper terraced 15, middle terraced 13, descending stair 10 length are all, 2.0m, and stepping on grade bar 12 its neighbor distance is 36cm; The bracing frame joint number is 6 joints, and every joint 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 are all, 2.5m, and stepping on grade bar 12 its neighbor distance is 48cm; The bracing frame joint number is 6 joints, and every joint 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 creates by creative work, its in vast forest farm, farm, fruit tree field trial effect is good, high efficiency, safe and reliable, convenient transportation or collection, cost of manufacture is low, is fit to very much the outdoor use in mountain region.
Claims (5)
1. outdoor study ladder, that three of auxiliary forestry outdoor study connects the lifting 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 that fastening structure is set is Telescopic Fixed, the upper joint of bracing frame (5) and upper ladder (15) and metal frame (16) are with bolts, and the lower joint of bracing frame (5) adopts fixed connecting rod (6) to be connected with descending stair (10).
2. outdoor study ladder according to claim 1, is characterized in that: connect by bracing frame connecting rod (4) between two support bars of described bracing frame (5); Support frame as described above (5) merogenesis forms, each joint is inlayed cover by stretching and is contracted folded, after stretching, fixes with nut by the bracing frame connecting rod (4) with bolt end at each joint, every joint bracing frame connecting rod (4) length is 30-60cm, bracing frame (5) joint number is that after every joint bracing frame (5) stretches, length is 1.0-1.5m more than 4 joints.
3. outdoor study according to claim 1 ladder is characterized in that: described metal frame (16) and upper ladder (15) are connected and fixed by fixedly motion bar (2) and removable support bar (3), and metal frame (16) width is less than upper ladder (15) width.
4. outdoor study ladder according to claim 1, is characterized in that: establish textured metal skid-proof plate (17) on described metal frame (16).
5. outdoor study according to claim 1 is terraced, and it 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 between its up and down, distance 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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040718.9A CN103104186B (en) | 2013-02-01 | 2013-02-01 | Outdoor operation ladder |
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| CN103104186A true CN103104186A (en) | 2013-05-15 |
| CN103104186B CN103104186B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310040718.9A Expired - Fee Related CN103104186B (en) | 2013-02-01 | 2013-02-01 | Outdoor operation ladder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727730A (en) * | 2015-01-22 | 2015-06-24 | 李海红 | Cable maintenance ladder |
| CN106014186A (en) * | 2016-06-29 | 2016-10-12 | 广德县丰源蔬果种植家庭农场 | Ladder leg adjusting device used for waxberry 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 |
| CN113459292A (en) * | 2021-07-28 | 2021-10-01 | 江西志宏安防科技有限公司 | Security protection wiring system suitable for intelligent building |
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| US20040144595A1 (en) * | 2001-06-06 | 2004-07-29 | Hanison Steven Ernest | Ladder stabilisers |
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| 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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- 2013-02-01 CN CN201310040718.9A patent/CN103104186B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040144595A1 (en) * | 2001-06-06 | 2004-07-29 | Hanison Steven Ernest | Ladder stabilisers |
| CN2530015Y (en) * | 2001-10-30 | 2003-01-08 | 张国益 | Active garden ladder |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727730A (en) * | 2015-01-22 | 2015-06-24 | 李海红 | Cable maintenance ladder |
| CN106014186A (en) * | 2016-06-29 | 2016-10-12 | 广德县丰源蔬果种植家庭农场 | Ladder leg adjusting device used for waxberry 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 |
| CN113459292A (en) * | 2021-07-28 | 2021-10-01 | 江西志宏安防科技有限公司 | Security protection wiring system suitable for intelligent building |
| 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 |
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|---|---|
| CN103104186B (en) | 2015-07-22 |
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