CN105133924A - Guardrail with adjustable height and maintenance equipment with same - Google Patents
Guardrail with adjustable height and maintenance equipment with same Download PDFInfo
- Publication number
- CN105133924A CN105133924A CN201510526198.1A CN201510526198A CN105133924A CN 105133924 A CN105133924 A CN 105133924A CN 201510526198 A CN201510526198 A CN 201510526198A CN 105133924 A CN105133924 A CN 105133924A
- Authority
- CN
- China
- Prior art keywords
- dwang
- pieces
- guardrail
- rotating shaft
- downslide lever
- 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.)
- Granted
Links
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a guardrail with adjustable height and maintenance equipment with the same. The guardrail with the adjustable height comprises a handrail (1), an upper link mechanism (2), a lower link mechanism (4) and a connecting frame (3). The upper link mechanism and the lower link mechanism are connected through the connecting frame, the handrail (1) is installed at the top end of the upper link mechanism (2), and the installation point of the lower portion of the lower link mechanism is hinged to the installation point on platforms such as a working ladder bed. An adjusting lead screw is driven manually to allow the guardrail to ascend or descend, the guardrail can be reliably fixed at any height, the use range of the guardrail is remarkably widened, especially when the guardrail is applied to the movable working ladder bed platform, the height can be adjusted according to different use practical conditions and maintenance objects, and the guardrail only needs to descend to be completely folded in the transporting process without being detached. The guardrail is simple in structure and easy, convenient and flexible to operate, and achieves high practical application value.
Description
Technical field
The invention belongs to guard bar technique field, be specifically related to a kind of adjustable height guardrail and there is its service equipment.
Background technology
Ladder, High Altitude Platform etc., all need rational height to be not less than the guardrail of 800mm at work top, fall to prevent personnel.
The various guardrail of current use, be mostly highly fix non-adjustable, minority adopt multistage splicing form realize highly adjustment.Therefore, for realizing both protecting operator safety, the object do not hindered one's work again, needing when carrying out different operating, changing the guardrail of proper height; For the ladder, High Altitude Platform etc. that have movement requirement, often use the guardrail of quick-release structure, to reduce transportation clearance.The guardrail of this form, easily loses connector in transportation, and guardrail collides with the situations such as distortion.For overcoming the problems referred to above of guardrail, need a kind of Height Adjustable, and can the fixing guardrail of arbitrary height in design adjustable range.There is no this type of mechanism both at home and abroad at present.
Summary of the invention
The object of this invention is to provide a kind of adjustable height guardrail, cannot the problem of spot replace guardrail height to solve existing guardrail.
Technical scheme of the present invention is: a kind of adjustable height guardrail, includes handrail, upper linkage, link and lower link mechanism, wherein,
Described upper linkage includes sliding bar, upper dwang and upper pendulum bar, upper sliding bar and upper dwang are respectively provided with two pieces, in two pieces, sliding bar is arranged in parallel, in two pieces, dwang is arranged in parallel, and dwang arranged crosswise in sliding bar and two pieces in two pieces, be fixedly connected with by connecting rod between two pieces dwang, upper pendulum bar one end is set in the stationary links in two pieces between dwang;
Described lower link mechanism includes draft link, lower dwang and downslide lever, lower dwang and downslide lever are respectively provided with two pieces, under two pieces, dwang is arranged in parallel, two pieces downslide lever is arranged in parallel, and dwang and two pieces downslide lever arranged crosswise under two pieces, be fixedly connected with by connecting rod between two pieces downslide lever, draft link one end is set in the stationary links between two pieces downslide lever;
Described link includes rotating shaft, framework, nut rotating shaft and adjusting screw, framework one end is provided with ears structure, ears sheet is provided with coaxial through-hole, described rotating shaft is arranged on described coaxial through-hole, the other end of framework is provided with strip through hole, is provided with nut rotating shaft and adjusting screw in strip hole;
One end of described upper sliding bar is connected with one end of described handrail, and the other end is connected with nut rotating shaft; One end of described upper dwang is connected with the other end of described handrail, and the other end of described upper dwang is connected with rotating shaft;
One end of described lower dwang is connected with described rotating shaft, and one end of described downslide lever is connected with described nut rotating shaft;
The other end of described upper pendulum bar is connected with nut rotating shaft, and the other end of described draft link is connected with rotating shaft;
Described upper pendulum bar is equal with draft link length, and the length of upper sliding bar, upper dwang, lower dwang, downslide lever is equal.
Alternatively, handrail, upper sliding bar, upper dwang, upper pendulum bar, draft link, lower dwang, downslide lever are cylindrical hollow stems, and its two ends are provided with pin shaft hole.
Alternatively, described adjusting screw one end is provided with adjusting handle.
Present invention also offers a kind of service equipment, described service equipment comprises adjustable height guardrail as above.
Beneficial effect of the present invention: the present invention adopts leading screw to regulate the mode of upper and lower linkage position, realizes the adjustment to guardrail height and location; This guardrail can regulate as required and uses height and locate, and does not need to use any instrument, does not also need to carry out any disassembling operations; The present invention is easy and simple to handle, flexible, has good actual application value.
Accompanying drawing explanation
Fig. 1 is the adjustable height guardrail schematic diagram of one embodiment of the invention;
Fig. 2 is the upper linkage schematic diagram of the adjustable height guardrail shown in Fig. 1;
Fig. 3 is the lower link structural scheme of mechanism of the adjustable height guardrail shown in Fig. 1;
Fig. 4 is the link schematic diagram of the adjustable height guardrail shown in Fig. 1;
Fig. 5 is the link sectional view of the adjustable height guardrail shown in Fig. 1;
Fig. 6 is the nut rotating shaft schematic diagram of the link shown in Fig. 4.
Wherein: 1-handrail, 2-upper linkage, 3-link, 4-lower link mechanism, 5-upper sliding bar, 6-upper dwang, 7-upper pendulum bar, 8-draft link, 9-lower dwang, 10-downslide lever, 11-rotating shaft, 12-framework, the rotating shaft of 13-nut, 14-adjusting screw, 15-adjusting handle, 16-axle sleeve.
Detailed description of the invention
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
As shown in Figures 1 to 6, a kind of adjustable height guardrail provided by the invention, includes handrail 1, upper linkage 2, link 3 and lower link mechanism 4.
Upper linkage 2 includes sliding bar 5, upper dwang 6 and upper pendulum bar 7, upper sliding bar 5 and upper dwang 6 are respectively provided with two pieces, on part, sliding bar 5 is parallel establishes layout, in two pieces, dwang 6 is arranged in parallel, and sliding bar 5 and dwang 6 arranged crosswise in two pieces in two pieces, and two pieces has connecting rod to be fixedly connected by welding between dwang 6, described connecting rod central axis and two pieces on the central axis upright of dwang 6.Upper pendulum bar 7 one end is set in the stationary links in two pieces between dwang 6.
Lower link mechanism 4 includes draft link 8, lower dwang 9 and downslide lever 10, lower dwang 9 and downslide lever 10 are respectively provided with two pieces, under two pieces, dwang 9 is arranged in parallel, two pieces downslide lever 10 is arranged in parallel, and dwang 9 and two pieces downslide lever 10 arranged crosswise under two pieces, have connecting rod to be fixedly connected by welding between two pieces downslide lever 10, described connecting rod central axis and the central axis upright of two pieces downslide lever 10.Draft link 8 one end is set in the stationary links between two pieces downslide lever 10.
Described link 3 includes rotating shaft 11, framework 12, nut rotating shaft 13, adjusting screw 14, adjusting handle 15 and axle sleeve 16.Described framework 12 one end is provided with ears structure, and ears sheet is provided with coaxial through-hole, and described rotating shaft 11 is arranged in described coaxial through-hole, and the other end is provided with strip through hole, is provided with nut rotating shaft 13 and adjusting screw 14 in strip hole; Be provided with annular boss in the middle part of described adjusting screw 14, annular boss one end is provided with threaded rod, and adjusting screw 14 two ends are provided with optical axis, and one end is arranged in the blind hole on framework 12, and the other end is fixedly connected with adjusting handle 15 by screw; Described nut rotating shaft is connected with the thread segment on adjusting screw 14 by screw thread.
One end of upper sliding bar 5 and one end of described handrail 1 by pinned connection, and can be rotated relative to connecting bearing pin between upper sliding bar 5 with handrail 1; The other end is connected with nut rotating shaft 13, and can relatively rotate between upper sliding bar 5 and nut rotating shaft 13.One end of upper dwang 6 and the other end of described handrail 1 by pinned connection, and can rotate relative to connecting bearing pin between upper dwang 6 with handrail 1; The other end of upper dwang 6 is connected with rotating shaft 11, and can relatively rotate between upper dwang 6 and rotating shaft 11.
One end of lower dwang 9 is connected with described rotating shaft 11, and can relatively rotate between lower dwang 9 and rotating shaft 11; One end of downslide lever 10 is connected with described nut rotating shaft 13, and can relatively rotate between downslide lever 10 and nut rotating shaft 13.
The other end of upper pendulum bar 7 is connected with nut rotating shaft 13, and upper pendulum bar 7 can rotate around nut rotating shaft 13; The other end of draft link 8 is connected with rotating shaft 11, and draft link 8 can 11 rotate around the shaft.
Upper pendulum bar 7 is equal with draft link 8 length, and the length of upper sliding bar 5, upper dwang 6, lower dwang 9, downslide lever 10 is equal.
Handrail 1, upper sliding bar 5, upper dwang 6, upper pendulum bar 7, draft link 8, lower dwang 9, downslide lever 10 are cylindrical hollow stems, and its two ends are provided with pin shaft hole.
Adjusting screw 14 one end is provided with adjusting handle 15, and adjusting handle 15 is set to cylindrical, is fixedly connected with adjusting screw 14 by screw.
One end and the mounting plane of lower dwang 9 and downslide lever 10 are hinged.
Under duty, by regulating the first run 15 can rotate adjusting screw 14, adjusting screw 14 makes nut rotating shaft 13 move along the axis of adjusting screw 14, and nut rotating shaft 13 drives upper sliding bar 5 and downslide lever 10 to slide, thus regulate the height of guardrail, to meet the demand of differing heights.
Present invention also offers a kind of service equipment, described service equipment comprises adjustable height guardrail as above.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. an adjustable height guardrail, is characterized in that: include handrail (1), upper linkage (2), link (3) and lower link mechanism (4), wherein,
Described upper linkage (2) includes sliding bar (5), upper dwang (6) and upper pendulum bar (7), upper sliding bar (5) and upper dwang (6) are respectively provided with two pieces, in two pieces, sliding bar (5) is arranged in parallel, in two pieces, dwang (6) is arranged in parallel, and dwang (6) arranged crosswise in sliding bar (5) and two pieces in two pieces, two pieces dwang is fixedly connected with by connecting rod between (6), and upper pendulum bar (7) one end is set in the stationary links between dwang in two pieces (6);
Described lower link mechanism (4) includes draft link (8), lower dwang (9) and downslide lever (10), lower dwang (9) and downslide lever (10) are respectively provided with two pieces, under two pieces, dwang (9) is arranged in parallel, two pieces downslide lever (10) is arranged in parallel, and dwang (9) and two pieces downslide lever (10) arranged crosswise under two pieces, be fixedly connected with by connecting rod between two pieces downslide lever (10), draft link (8) one end is set in the stationary links between two pieces downslide lever (10);
Described link (3) includes rotating shaft (11), framework (12), nut rotating shaft (13) and adjusting screw (14), framework (12) one end is provided with ears structure, ears sheet is provided with coaxial through-hole, described rotating shaft (11) is arranged on described coaxial through-hole, the other end of framework (12) is provided with strip through hole, is provided with nut rotating shaft (13) and adjusting screw (14) in strip hole;
One end of described upper sliding bar (5) is connected with one end of described handrail (1), and the other end is connected with nut rotating shaft (13); One end of described upper dwang (6) is connected with the other end of described handrail (1), and the other end of described upper dwang (6) is connected with rotating shaft (11);
One end of described lower dwang (9) is connected with described rotating shaft (11), and one end of described downslide lever (10) is connected with described nut rotating shaft (13);
The other end of described upper pendulum bar (7) is connected with nut rotating shaft (13), and the other end of described draft link (8) is connected with rotating shaft (11);
Described upper pendulum bar (7) is equal with draft link (8) length, and the length of upper sliding bar (5), upper dwang (6), lower dwang (9), downslide lever (10) is equal.
2. adjustable height guardrail according to claim 1, it is characterized in that: handrail (1), upper sliding bar (5), upper dwang (6), upper pendulum bar (7), draft link (8), lower dwang (9), downslide lever (10) are cylindrical hollow stems, and its two ends are provided with pin shaft hole.
3. adjustable height guardrail according to claim 1, is characterized in that: described adjusting screw (14) one end is provided with adjusting handle (15).
4. a service equipment, is characterized in that: described service equipment comprises as the adjustable height guardrail in claims 1 to 3 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510526198.1A CN105133924B (en) | 2015-08-25 | 2015-08-25 | A kind of adjustable height guardrail and the maintained equipment with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510526198.1A CN105133924B (en) | 2015-08-25 | 2015-08-25 | A kind of adjustable height guardrail and the maintained equipment with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105133924A true CN105133924A (en) | 2015-12-09 |
| CN105133924B CN105133924B (en) | 2017-07-11 |
Family
ID=54719468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510526198.1A Active CN105133924B (en) | 2015-08-25 | 2015-08-25 | A kind of adjustable height guardrail and the maintained equipment with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105133924B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781230A (en) * | 2016-03-26 | 2016-07-20 | 马翼 | Retractable guardrail with convenience in height adjustment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092800A1 (en) * | 1982-04-20 | 1983-11-02 | Firma Helmut Werner | Apparatus for drilling planting holes |
| JPH09189083A (en) * | 1996-01-10 | 1997-07-22 | Fujita Corp | Variable sound-isolating wall |
| DE20319137U1 (en) * | 2003-12-10 | 2004-04-15 | Ropema Plaat-Bewerking B.V. | Mounting frame has telescopic action for vertical position adjustment in supporting cash machines |
| CN201497851U (en) * | 2009-09-21 | 2010-06-02 | 昆明理工大学 | Tabletop height adjustment support saddle for projector |
| CN201787286U (en) * | 2010-07-15 | 2011-04-06 | 余姚市灵峰精密冲件厂 | Support with angle-adjustable supporting rods |
| CN203394165U (en) * | 2013-07-31 | 2014-01-15 | 国家电网公司 | Retractable rail |
| CN203811972U (en) * | 2014-05-15 | 2014-09-03 | 袁孟辉 | Electric rotating movable device used for photographic and camera shooting devices |
| CN203879034U (en) * | 2014-01-28 | 2014-10-15 | 逄紫薇 | Adjustable guardrail for building engineering |
-
2015
- 2015-08-25 CN CN201510526198.1A patent/CN105133924B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092800A1 (en) * | 1982-04-20 | 1983-11-02 | Firma Helmut Werner | Apparatus for drilling planting holes |
| JPH09189083A (en) * | 1996-01-10 | 1997-07-22 | Fujita Corp | Variable sound-isolating wall |
| DE20319137U1 (en) * | 2003-12-10 | 2004-04-15 | Ropema Plaat-Bewerking B.V. | Mounting frame has telescopic action for vertical position adjustment in supporting cash machines |
| CN201497851U (en) * | 2009-09-21 | 2010-06-02 | 昆明理工大学 | Tabletop height adjustment support saddle for projector |
| CN201787286U (en) * | 2010-07-15 | 2011-04-06 | 余姚市灵峰精密冲件厂 | Support with angle-adjustable supporting rods |
| CN203394165U (en) * | 2013-07-31 | 2014-01-15 | 国家电网公司 | Retractable rail |
| CN203879034U (en) * | 2014-01-28 | 2014-10-15 | 逄紫薇 | Adjustable guardrail for building engineering |
| CN203811972U (en) * | 2014-05-15 | 2014-09-03 | 袁孟辉 | Electric rotating movable device used for photographic and camera shooting devices |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781230A (en) * | 2016-03-26 | 2016-07-20 | 马翼 | Retractable guardrail with convenience in height adjustment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105133924B (en) | 2017-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104781581A (en) | Counterweight assembly, and counterweight mechanism and holder employing same | |
| CN104682238A (en) | Lifting platform for replacing mutual inductor in switch cabinet of 35KV or below | |
| CN201952197U (en) | Scissor-type lifting device of aerial work platform with security support in maintenance | |
| CN105133924A (en) | Guardrail with adjustable height and maintenance equipment with same | |
| CN105710573B (en) | A kind of jig of adjustable angle | |
| CN110233351A (en) | A kind of airport downslide tower antenna automatic regulating system and antenna adjustment method | |
| CN203998858U (en) | Lifting mode substation insulation maintenance device | |
| CN204732769U (en) | A kind of novel handcart | |
| CN103944090A (en) | 380 V switch cabinet maintenance car | |
| CN102219166A (en) | Aerial working platform for overhauling safety support | |
| CN206219067U (en) | A kind of driver's cabin mobile device | |
| CN203795818U (en) | Aerial portable work platform for use on utility poles | |
| CN209562009U (en) | A kind of detachable bracket large-tonnage insulator fixture | |
| CN203410259U (en) | Height regulating device | |
| CN102219164A (en) | Hinging device for safety supporting arm of aerial work platform | |
| CN108516102B (en) | Flexible general aircraft support tool | |
| CN202016837U (en) | Hinge device of safety support arm of aerial work platform | |
| CN205472424U (en) | GIS dismouting intelligence auxiliary platform base | |
| CN107645140B (en) | Adjustable plug, high-tension switch cabinet special-purpose vehicle and vacuum circuit breaker apparatus for examination and repair | |
| CN204828147U (en) | Connecting piece and have service equipment of this connecting piece | |
| CN106058674A (en) | Rotatable distribution box | |
| CN208440225U (en) | Aerial work platform | |
| CN206331994U (en) | The mounting bracket of fuse switch | |
| CN106451221B (en) | A kind of dedicated line throwing apparatus of transmission line of electricity screen of trees cleaning | |
| CN216196417U (en) | Building support with prevent empting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |