CN201460700U - Ladder with armrest type guard bar - Google Patents
Ladder with armrest type guard bar Download PDFInfo
- Publication number
- CN201460700U CN201460700U CN2009200986890U CN200920098689U CN201460700U CN 201460700 U CN201460700 U CN 201460700U CN 2009200986890 U CN2009200986890 U CN 2009200986890U CN 200920098689 U CN200920098689 U CN 200920098689U CN 201460700 U CN201460700 U CN 201460700U
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- CN
- China
- Prior art keywords
- handrail
- ladder
- support sector
- type guardrail
- lateral rail
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- Expired - Lifetime
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Abstract
A ladder with an armrest type guard bar belongs to the field of ladders. The utility model relates to an improvement of accessories for protecting personnel safety. The ladder comprises a main ladder, an auxiliary ladder and a platform footplate arranged on the highest stair, and the platform footplate is installed through the main ladder and the auxiliary ladder, wherein a first main ladder frame and a second main ladder frame of the main ladder extend upward to the same preformed length L from the position of the platform footplate, and the armrest type guard bar is provided with a first armrest and a second armrest on the main ladder of the armrest type guard bar device. The armrest guard bar is reasonably arranged on the ladder of the utility model, thereby supplying safety control for the direction-changing operation of workers.
Description
Technical field
The utility model belongs to the ladder field, relates to the annex of protecting personal security.
Background technology
Allow the operating personnel safer more convenient be that constantly pursue in the ladder field.
Known technology, as 200520052063.8 1 kinds of fold concertina-wise bulwark ladders of disclosed Chinese patent, comprise the ladder that two tops are hinged, one of them ladder top connects a ∏ type arm-rest frame that makes progress overhanging, ladder is made of the multi-joint telescoping tubing string, connect the some terraced beams of horizontal stroke at interval between the left and right two upright cleat stanchions, when ladder stretches, spacing by spacing ring and the ring-type stopper slot on next section of ladder tubing string that a last section of ladder tubing string lower end connects firmly, locate by the dowel hole that installation elastic positioning pin in the coupling head inserts on the nestable tubing string of the inside and outside bilayer of upper and lower section of ladder; When ladder shrinks, between the horizontal terraced beam of each section of ladder by spacing near the anti-pinch gloves ring that connects firmly on the tubing string of coupling head below.
00806506.3 1 kinds of and for example disclosed Chinese patent application are connected in the portable working platform on the step of ladder.This operating platform comprises that has a fluting plane that is used to improve frictional behaviour, and this operating platform is installed on the step of ladder reliably by spring-loaded locking device.Operating platform keeps level by the pull bar that is fastened on the top step.
200720068804.0 1 kinds of full-automatic brake ladder trucks of disclosed for another example Chinese patent, by the ladder truck working platform, the unit that stair frame, guardrail handrail, brake leg, sliding rod sleeve are formed and another unit of being made up of base castor, support, slide bar, slide bar locating sleeve constitute.Sliding rod sleeve is welded on the stair frame, and slide bar locating sleeve one end is fixed on the base by screw, and the other end is enclosed within on the slide bar, and brake spring just in time is placed between sliding rod sleeve and the slide bar locating sleeve.
200520052063.8 disclosed ladder, the operator stands on this ladder, and general demand side is towards arm-rest frame operation safety, if the operator turns operation just dispossessed, do not have the sense of security;
200720068804.0 disclosed ladder truck has the structure of ladder, and handrail is provided, but its structure setting is applicable to the ladder truck that engineering is used, and is unsuitable for using on folding ladder;
00806506.3 disclosed ladder provides and has been convenient to the operator and is sitting in the handrail of controlling on the platform, more can not well solve but can not solve the turn safety problem of operation of the safety problem that the operator stands in the soller operation, particularly operator.
Summary of the invention
Problem to be solved in the utility model is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of ladder with handrail-type guardrail is provided, and handrail-type guardrail is the ladder annex of protection personal security, to make things convenient for personnel's operation that turns, provides safety guarantee.
The utility model technical solution problem takes following technical scheme to realize, a kind of ladder that provides according to the utility model with handrail-type guardrail, comprise main ladder, secondary ladder and be arranged on the platform pedal of upper level, this platform pedal is installed by described main ladder and secondary ladder, wherein, first main ladder frame of described main ladder and second main ladder frame extend upwardly to same preset length L by the position of platform pedal, the handrail-type guardrail device is on main ladder, described handrail-type guardrail has first handrail and second handrail.
This case technical solution problem can also take following technical scheme further to realize:
Aforesaid ladder with handrail-type guardrail wherein, is provided with first horizontal bar and second horizontal bar between first handrail and second handrail; Described first handrail has first lateral rail and supports first support sector of this first lateral rail, and this first support sector has the first assembling end that can combine with main ladder frame; Described second handrail has second lateral rail and supports second support sector of this second lateral rail, and this second support sector has the second assembling end that can combine with main ladder frame.
Aforesaid ladder with handrail-type guardrail, wherein, first lateral rail of described first handrail is by first top fixed installation of first main ladder frame, and second lateral rail of second handrail is by second top fixed installation of second main ladder frame.
Aforesaid ladder with handrail-type guardrail, wherein, autonomous terraced top is referred to as the hurdle height H to the distance of platform pedal table top, and hurdle height is set to 0.9-1.2 rice on this.
Aforementioned ladder with handrail-type guardrail, wherein, described first handrail is identical with second handrail structure.
Aforementioned ladder with handrail-type guardrail, wherein, the first lateral rail length a of first handrail is identical with the second lateral rail length of second handrail, is set to the suitable size of platform tread width a ' with ladder.
Aforesaid ladder with handrail-type guardrail, wherein, first support sector of described first handrail by last support sector, following hold up portion, support sector constitutes down, the last support sector and first lateral rail form corner regions portion, following to holding up portion to become predetermined angle with last support sector and can being parallel to each other with first main ladder frame, the following support sector and first lateral rail are parallel to each other.
Aforesaid ladder with handrail-type guardrail, wherein, the last support sector of described first support sector, following hold up portion, support sector is integrally formed down.
Aforesaid ladder with handrail-type guardrail, wherein, described first handrail and second handrail and first horizontal bar are one-body molded.
Aforesaid ladder with handrail-type guardrail, wherein, described second horizontal bar is selected belt or rope for use, and second horizontal bar is by the assembling of described corner regions portion; The angle of described corner regions portion is to be slightly less than 90 ° or be slightly larger than 90 ° or equal any of 90 °.
The utility model compared with prior art has significant advantage and beneficial effect.
By above technical scheme as can be known, the utility model has following advantage at least under the configuration of the structure of excellence: handrail-type guardrail rationally is set on this case ladder provides safety guarantee for personnel's operation that turns.The support sector of this case handrail be provided with can not only supporting armrests lateral rail,, two at one stroke in the time of can also allowing personnel scale a ladder holding up this one;
This case handrail-type guardrail is provided with first horizontal bar, second horizontal bar and first lateral rail, second lateral rail surrounds and the sizable guardrail of platform pedal, can effectively protect personal security to do reliably and turn to operation; Handrail-type guardrail simple structure, solid safety, and more affine audient, manufacturing process is more optimized, and the industry of being more convenient for is used.
The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is this case overall structure schematic perspective view;
Fig. 2 is this case side-looking facial plane structural representation.
The specific embodiment
Below in conjunction with preferred embodiment, the specific embodiment, feature and effect thereof that foundation the utility model is provided, describe in detail as after; For simple and purpose clearly, hereinafter appropriate omission the description of known technology, in order to avoid those unnecessary details influences are to the description of the technical program.
Shown in Fig. 1-2, a kind of handrail-type guardrail and ladder thereof, comprise main ladder 1, secondary ladder 2 and be arranged on the platform pedal 4 of upper level, this platform pedal is installed by described main ladder and secondary ladder, wherein, first main ladder frame 11 of described main ladder and second main ladder frame 11 ' extend upwardly to same preset length L by the position of platform pedal, described main ladder is gone up device handrail-type guardrail 3, and this handrail-type guardrail is made of first handrail 31, second handrail 31 ' and first horizontal bar 34 and second horizontal bar 35 that are configured between this first handrail and second handrail; This first main ladder frame have can with first top 110 of first handrail 31 assembling, this second main ladder frame have can with second top 110 ' of second handrail assembling;
This first top, second top are the top of main ladder; Described preset length should be complementary with last hurdle height H, should go up the hurdle height H is the distance of autonomous terraced top 110 to platform pedal table top 41, last hurdle height should be the operator and stands in the size of conveniently controlling on the platform pedal, and so preset length forms the hypotenuse of right-angled triangle exactly with last hurdle height H and platform pedal;
Described first handrail has first lateral rail 312 parallel with platform pedal 4 and supports first support sector 313 of this first lateral rail, and this first support sector has the first assembling end 310 that can combine with first main ladder frame 11;
Equally, described second handrail has second lateral rail 312 ' parallel with platform pedal 4 and supports second support sector 313 ' of this second lateral rail, this second support sector have can with the hard-wired second assembling end 310 ' of second main ladder frame;
By this, handrail-type guardrail fixedly mounts by retaining element 9 and first, second main ladder frame by first, second handrail; When can not only the support-side railing can also allowing personnel scale a ladder, described support sector, plays the function of handrail holding up this one;
Formed the handrail-type guardrail that to protect personal security thus, for personnel's operation that turns provides guarantee.
Further,
The width a ' of the length a of described first lateral rail 312 and platform pedal is suitable,
As previously mentioned, first horizontal bar 34 of handrail-type guardrail, second horizontal bar 35 dispose between first handrail and second handrail, these two handrails are again that device is on two main ladder frames, so far form, the guardrail that first horizontal bar, second horizontal bar and first lateral rail, second lateral rail surround, and the sizableness of the size of this guardrail and platform pedal, so rationally structure can effectively be protected personal security to do reliably and turn to operation;
Described first support sector by last support sector 3131, following hold up portion 3132, support sector 3133 constitutes down, last support sector 3131 and first lateral rail 312 form the corner regions portion 30 of vertical or near vertical, following to holding up 3131 one-tenth predetermined angle of portion 3132 and last support sector and can being parallel to each other with first main ladder frame, the following support sector 3133 and first lateral rail 312 are parallel to each other;
Handrail-type guardrail simple structure, solid safety thus, and propping up more smoothly;
The last support sector 3131 of described first support sector, following hold up portion 3132, support sector 3133 is integrally formed down;
Described first horizontal bar 34 and first handrail 31, second handrail 31 ' can be general inserting mode realize assembling;
Can also be that described first handrail 31 and second handrail 31 ' and first horizontal bar 34 are the integral pieces that form with rod body material system;
Manufacturing process is more optimized, and the industry of being convenient to is used;
Be that more convenient audient uses, second horizontal bar 35 is selected the nonrigid material that can untie with hand for use, as belt or rope etc., utilizes the lateral rail of each handrail with the corner regions portion 30,30 ' that forms between the support sector on it and just can become and assemble belt and assemble end comparatively reliably; The angle of corner regions portion can be to be slightly less than 90 ° or be slightly larger than 90 ° or equal 90 °;
Further,
Described platform pedal have hold the operator station thereon, and platform pedal table top 41 that can the conversion direction operation, have antislip cog on this plane;
Described upward hurdle height H is arranged on 0.9-1.2 rice and is advisable;
First lateral rail 312 of first handrail is by first top, 110 fixed installations of first main ladder frame, and second lateral rail 312 ' of second handrail is by second top, the 110 ' fixed installation of second main ladder frame;
After the preferred embodiment that describes in detail, being familiar with this technology personage can clearly understand, can carry out various variations and modification not breaking away under following claim and the spirit, and the utility model also is not subject to the embodiment of illustrated embodiment in the manual.
Claims (10)
1. ladder with handrail-type guardrail, comprise main ladder (1), secondary ladder (2) and be arranged on the platform pedal (4) of upper level, this platform pedal is installed by described main ladder and secondary ladder, it is characterized in that, first main ladder frame (11) of described main ladder and second main ladder frame (11 ') extend upwardly to same preset length L by the position of platform pedal, handrail-type guardrail (3) device is on main ladder, and described handrail-type guardrail has first handrail and second handrail.
2. the ladder with handrail-type guardrail as claimed in claim 1 is characterized in that, first horizontal bar (34) and second horizontal bar (35) are set between first handrail (31) and second handrail (31 '); Described first handrail has first lateral rail (312) and supports first support sector (313) of this first lateral rail, and this first support sector has the first assembling end (310) that can combine with main ladder frame; Described second handrail has second lateral rail (312 ') and supports second support sector's (313 ') of this second lateral rail, and this second support sector has the second assembling end (310 ') that can combine with main ladder frame.
3. the ladder with handrail-type guardrail as claimed in claim 2, it is characterized in that, first lateral rail of described first handrail is by first top (110) fixed installation of first main ladder frame, and second lateral rail of second handrail is by second top (the 110 ') fixed installation of second main ladder frame.
4. the ladder with handrail-type guardrail as claimed in claim 3 is characterized in that, autonomous terraced top is referred to as the hurdle height H to the distance of platform pedal table top, and hurdle height is set to 0.9-1.2 rice on this.
5. the ladder with handrail-type guardrail as claimed in claim 4 is characterized in that, described first handrail (31) is identical with second handrail (31 ') structure.
6. the ladder with handrail-type guardrail as claimed in claim 5 is characterized in that, the first lateral rail length a of described first handrail is identical with the second lateral rail length of second handrail, is set to the suitable size of platform tread width a ' with ladder.
7. the ladder with handrail-type guardrail as claimed in claim 6, it is characterized in that, first support sector of described first handrail by last support sector (3131), following hold up portion (3132), support sector (3133) constitutes down, last support sector (3131) forms corner regions portion with first lateral rail (312), following to holding up portion (3132) to become predetermined angle with last support sector (3131) and can being parallel to each other with first main ladder frame, following support sector (3133) is parallel to each other with first lateral rail (312).
8. the ladder with handrail-type guardrail as claimed in claim 7 is characterized in that, the last support sector of described first support sector, following hold up portion, support sector is integrally formed down.
9. the ladder with handrail-type guardrail as claimed in claim 8 is characterized in that, described first handrail and second handrail and first horizontal bar are one-body molded.
10. the ladder with handrail-type guardrail as claimed in claim 9 is characterized in that, described second horizontal bar is selected belt or rope for use, and second horizontal bar assembles by described corner regions portion (30,30 '); The angle of described corner regions portion is to be slightly less than 90 ° or be slightly larger than 90 ° or equal any of 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200986890U CN201460700U (en) | 2009-09-09 | 2009-09-09 | Ladder with armrest type guard bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200986890U CN201460700U (en) | 2009-09-09 | 2009-09-09 | Ladder with armrest type guard bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201460700U true CN201460700U (en) | 2010-05-12 |
Family
ID=42388054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200986890U Expired - Lifetime CN201460700U (en) | 2009-09-09 | 2009-09-09 | Ladder with armrest type guard bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201460700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666206B (en) * | 2009-09-09 | 2012-06-20 | 天津市金锚集团有限责任公司 | Handrail-type guardrail and ladder thereof |
| CN112772135A (en) * | 2021-01-12 | 2021-05-11 | 宁夏农林科学院园艺研究所(宁夏设施农业工程技术研究中心) | Support frame convenient for picking Lingwu long jujube |
-
2009
- 2009-09-09 CN CN2009200986890U patent/CN201460700U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666206B (en) * | 2009-09-09 | 2012-06-20 | 天津市金锚集团有限责任公司 | Handrail-type guardrail and ladder thereof |
| CN112772135A (en) * | 2021-01-12 | 2021-05-11 | 宁夏农林科学院园艺研究所(宁夏设施农业工程技术研究中心) | Support frame convenient for picking Lingwu long jujube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090909 |