CN106884611A

CN106884611A - Maintenance ladder

Info

Publication number: CN106884611A
Application number: CN201710039930.1A
Authority: CN
Inventors: 茹朝贵; 王曼俪
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-24
Filing date: 2016-03-24
Publication date: 2017-06-23
Also published as: CN105604474B; CN106837160B; CN106837160A; CN105604474A

Abstract

A maintenance ladder mainly comprises a base, a plurality of sections of central columns with the same structure, a top seat and a connecting shaft for fixing the top seat on the uppermost-stage central column. The central columns are connected in series up and down and then inserted into the fixing holes on the tops of the bases for positioning, then the top bases are fixed on the tops of the uppermost-stage central columns through connecting shafts to form an upright maintenance ladder, maintenance personnel can climb up to the top from the outside of the central columns by stepping on steps on the outer walls of the central columns without leaning on a wall body, then the bases are maintained on the top bases, and the steps are stepped down after maintenance is finished; paste tight ground through the sucking disc to the base can stretch out and draw back, adjusts the base down just can increase the stability of maintenance ladder.

Description

A kind of maintenance ladder

Technical field

The present invention relates to the maintenance ladder with telescopic leg that a kind of main body is perpendicular to the ground, belong to the optimisation technique of ladder.

Background technology

The drawbacks of existing ladder is " yi word pattern " or " chevron shaped ", " yi word pattern " ladder be：Wall is needed when in use Face supports, in the case of the strong point as no similar cover, when such as centre is installed pendent lamp or is more changed the bulb in a room, Need, in the operation of room intermediate vertical, " yi word pattern " ladder cannot be used.

Chevron shaped ladder can shake, and be unfavorable for installation operation；Meanwhile, when " chevron shaped " ladder is used, ladder needs Open, it is necessary to take larger space.

It is, thus, sought for it is a kind of in use do not need wall face supporting the preferable maintenance ladder of stability.

The content of the invention

The purpose of the present invention is：There is provided it is a kind of do not need wall face supporting the preferable maintenance ladder of stability.

Technical scheme：A kind of maintenance ladder, described maintenance ladder is main by base 1, multi-segment structure identical Stem 2, footstock 3, the connecting shaft 4 that footstock is fixed on most upper level newel is constituted, described newel is cylindricality, in The side wall of stem be provided with outwardly mark time 21；Every section of bottom of newel 2 is provided with during downward projection of maximum gauge is less than The polygon locating dowel 22 of stem diameter, accordingly, also is provided with being formed tightly with the locating dowel of upper level on every section of center capital The polygon location hole 23 to lower recess for coordinating, newel is sequentially connected in series together, the polygon of newel above Locating dowel 22 inserts the polygon location hole that the center of next stage is pushed up surely from top to bottom；It is provided with upwardly on base top Fixed column 11, is provided with the fixing hole that tight fit is formed with the polygon locating dowel of newel to lower recess on fixed capital, The polygon locating dowel of the most next stage newel fixing hole that inserted base 1 is pushed up from top to bottom is fixed；Under described connecting shaft 4 Polygon location hole on the capital of Bu Weiyu centers is in the connecting pole of tight fit, and the top of connecting shaft is cylinder, in connecting shaft The roof of cylindrical portion be provided with cylindrical hole to lower recess；Described footstock bottom is provided with and the cylinder on connecting shaft top Hole forms the connecting seat of tight fit；The polygon that the connecting pole of connecting shaft inserts the central shaft positioned at the top from top to bottom is determined Position hole positioning, then the connecting seat on footstock bottom is inserted into the connecting seat on connecting shaft top from top to bottom, footstock is placed in connection On axle top, in the presence of external force, footstock can be rotated on connecting shaft top；Base is disposed on the ground, after newel concatenation It is inserted on base top, finally footstock is fixed on by connecting shaft and most go up a pole newel top, maintenance personal climbs to maintenance ladder After on top, sitting on carries out maintenance work on footstock, steps on to mark time again after the completion of maintenance and returns to ground.

Newel is sequentially connected in series together, and the polygon locating dowel 22 of newel above inserts next from top to bottom The polygon location hole that the center of level is pushed up surely, both form tight fit.

Diameter is set in the polygon locating dowel lower central of newel downward less than polygon locating dowel minimum diameter Prominent cylinder 24, accordingly, is provided with the cylindrical hole to lower recess on the bottom wall of the polygon location hole on the capital of center, During the polygon location hole polygon locating dowel of upper level newel being downwardly on next stage newel, cylinder is played and drawn The effect led, because its diameter is smaller, is easily inserted into polygon location hole, then makes polygon locating dowel by rotation again Into polygon location hole, cylinder will easily downwardly into cylindrical hole；The polygon of most next stage newel is determined The fixing hole of the fixed column of position post inserted base, the most cylinder of next stage newel is downwardly into stop bit post 15 through fixed column.

Newel is many side columns or cylinder.

Described base 1 mainly includes 11, three or four discoid suckers 12 of fixed column, support shaft 13, eccentric spanner 14；Described sucker bottom wall lower section is wrapped in one piece of resilient rubber of tool, and the surrounding of rubber wraps the bottom of sucker upwards； Described one end of support shaft 13 connects with the lug axle on the outer wall of fixed column 11, and the other end connects with the lug axle on sucker roof；Institute The eccentric spanner stated is placed on sucker, and eccentric spanner includes spanner, guide pile and positioning disk, and described guide pile is along sucker Central shaft passes through sucker, positioning disk to be located on guide pile end directed downwardly from top to bottom, and positioning disk is located at rubber lower section, guide pile Top be located at sucker roof top, the top of guide pile connects with the terminal shaft of spanner, the one end of spanner with guide pile axle even Lower section is provided with the side of stop block, central shaft of the position that spanner connects with guide pile axle in stop block and the stop block away from support shaft On stop block between edge, guide pile is located at height of the height above sucker more than stop block；Make to stop when spanner is removed downwards Position block is pushed against when on sucker top, and the front end of stop block is pushed against support shaft end with sucker axle even, makes the support shaft can not Rotated in the presence of external force, at this moment, sucker is pressed on ground by positioning disk and rubber；Make to stop when spanner is removed upwards The front end of position block is against on sucker top when spanner is removed upwards again, and positioning disk is moved up rubber wall directed downwardly The upward jack-up in middle part, makes positioning disk leave ground, and sucker can be lifted from ground, and stop block leaves support shaft, support shaft energy It is enough to be rotated in the presence of external force；The cylindrical stop bit post 15 of upper and lower opening, stop bit post 15 are provided with below fixed column 11 Endoporus more than the diameter of cylinder 24 below newel, enable the cylinder of the newel of most next stage in the stop bit post endoporus on Lower movement；Stop bit post 15 is connected by position-arresting axis 16 with support shaft 13, and one end and the lug axle in the middle part of support shaft of position-arresting axis connect, The other end of position-arresting axis connects with the lug axle on stop bit column outer wall；The quantity of position-arresting axis is identical with the quantity of support shaft.

After spanner above a sucker is removed upwards, the sucker can leave ground in the presence of external force, move Position-arresting axis, can change the angle of position-arresting axis and support shaft, so that the sucker is closer or far from stop bit post, then sucker is pressed onto Ground, then spanner is moved to downwards stop block push against sucker top after, stop block push against support shaft.

Beneficial effect：

1st, the fixing hole positioning on base top is inserted into after newel being concatenated up and down, then footstock is consolidated by connecting shaft It is scheduled on most upper level center capital and forms the maintenance ladder of erect type, it is not necessary to rests on wall, maintenance personal steps on center Being marked time on column outer wall can just be climb outside newel to top, and then seat is repaired on footstock, after the completion of maintenance again Step on and mark time；

2nd, can be stretched by sucker snugly face, and base, base is turned down can just increase the stabilization of maintenance sample Property.

Brief description of the drawings

Accompanying drawing 1 is dimensional structure diagram of the invention；

Accompanying drawing 2 is the figure that pops of the invention；

Accompanying drawing 3 is understructure schematic diagram of the invention；

Accompanying drawing 4 is that the part of base of the invention pops figure；

Accompanying drawing 5 is the partial cutaway schematic of newel of the invention.

Specific embodiment

As shown in Fig. 1 to Fig. 5, a kind of maintenance ladder, mainly by base 1, multi-segment structure identical newel 2, footstock 3, general The connecting shaft 4 that footstock is fixed on most upper level newel is constituted.

Described newel is cylindricality, be provided with the side wall of newel outwardly mark time 21.When using, people is repaired Member steps on to mark time and is climbed up and down on maintenance ladder.

Newel is many side columns or cylinder, preferably cylinder.It is small that every section of bottom of newel 2 is provided with downward projection of maximum gauge In the polygon locating dowel 22 of center column diameter, accordingly, the positioning cylindricality with upper level also is provided with every section of center capital Into the polygon location hole to lower recess of tight fit, newel is sequentially connected in series together, newel above it is polygon Shape locating dowel 22 inserts the polygon location hole that the center of next stage is pushed up surely from top to bottom, and both form tight fit, at center Column outer wall imposes lateral strength, and newel will not be rotated due to the positioning action of polygon locating dowel, makes maintenance personal in maintenance Ladder swash on when climbing down without worrying that it is dangerous that newel rotates generation.

Fixed column 11 upwardly is provided with base top, is provided with fixed capital to lower recess and newel Polygon locating dowel forms the fixing hole of tight fit, the polygon locating dowel of most next stage newel inserted base 1 from top to bottom Fixing hole on top is fixed.

The described bottom of connecting shaft 4 is the connecting pole in tight fit, connecting shaft with the polygon location hole on the capital of center Top be cylinder, the cylindrical hole to lower recess is provided with the roof of the cylindrical portion of connecting shaft；Described footstock bottom It is provided with the connecting seat that tight fit is formed with the cylindrical hole on connecting shaft top；The connecting pole of connecting shaft is inserted from top to bottom and is located at The polygon location hole positioning of the central shaft of the top, then the connecting seat on footstock bottom is inserted on connecting shaft top from top to bottom Connecting seat, makes footstock be placed on connecting shaft top, and in the presence of external force, footstock can be rotated on connecting shaft top.Sometimes it is It is easy to operate, when maintenance personal needs repairing positioned at the equipment of its body side, body is twisted by side, it becomes possible to Make footstock that lateral rotation to occur, make maintenance personal switch to, in face of the original equipment in its side, be repaired to facilitate.

Diameter is set in the polygon locating dowel lower central of newel downward less than polygon locating dowel minimum diameter Prominent cylinder 24, accordingly, is provided with the cylindrical hole to lower recess on the bottom wall of the polygon location hole on the capital of center, when When the polygon locating dowel of upper level newel inserts the polygon location hole on the capital of next stage center, upper level newel Cylindrical hole on the capital of cylinder insertion next stage center.The polygon locating dowel of upper level newel is being downwardly into next stage During polygon location hole on newel, cylinder plays a part of guiding, because its diameter is smaller, is easily inserted into polygon and determines In the hole of position, then polygon locating dowel is set to enter polygon location hole by rotation again, cylinder will easily be downwardly into To in cylindrical hole.

The fixing hole of the fixed column of the polygon locating dowel inserted base of most next stage newel, most next stage newel Cylinder is downwardly into stop bit post 15 through fixed column.

Base is disposed on the ground, is inserted on base top after newel concatenation, and finally footstock is fixed on by connecting shaft A pole newel top is most gone up, after maintenance personal is climbed in maintenance ladder top, sitting on carries out maintenance work on footstock, after the completion of maintenance Step on to mark time again and return to ground.

Footstock is provided with handrail upwardly, and handrail is provided with hook.In maintenance process, some dimensions are generally used Instrument and auxiliary appliance are repaiied, some problematic parts can be also pulled down from maintenance product sometimes, therefore, maintenance personal generally needs Carry the satchel that can place maintenance tool and auxiliary appliance, after climbing on footstock, satchel always hang over people it is easily tired, Therefore, hook is set on footstock, and satchel is hung on hook, in maintenance process, can hold help at any time by maintenance personal Hand prevents danger with the balance for keeping body.

It is described mark time be shaped as fan-shaped or square.Marking time, end face upward is provided with lug, nib or groove, to increase Maintenance personal's sole tramples the frictional force on marking time, and prevents from skidding.

Described base 1 mainly includes 11, three or four discoid suckers 12 of fixed column, support shaft 13, eccentric spanner 14；Described sucker bottom wall lower section is wrapped in one piece of resilient rubber of tool, and the surrounding of rubber wraps the bottom of sucker upwards； Described one end of support shaft 13 connects with the lug axle on the outer wall of fixed column 11, and the other end connects with the lug axle on sucker roof；Institute The eccentric spanner stated is placed on sucker, and eccentric spanner includes spanner, guide pile and positioning disk, and described guide pile is along sucker Central shaft passes through sucker, positioning disk to be located on guide pile end directed downwardly from top to bottom, and positioning disk is located at rubber lower section, guide pile Top be located at sucker roof top, the top of guide pile connects with the terminal shaft of spanner, the one end of spanner with guide pile axle even Lower section is provided with the side of stop block, central shaft of the position that spanner connects with guide pile axle in stop block and the stop block away from support shaft On stop block between edge, guide pile is located at height of the height above sucker more than stop block.

When spanner is removed downwards stop block is pushed against on sucker top when, the front end of stop block is pushed against support shaft and sucker Axle end even, makes support shaft to be rotated in the presence of external force, and at this moment, sucker is compressed by positioning disk and rubber On ground.

When spanner is removed upwards the front end for making stop block be against on sucker top spanner is removed upwards again when, positioning disk Move up the upward jack-up in middle part of rubber wall directed downwardly, positioning disk is left ground, sucker can be lifted from ground, Stop block leaves support shaft, and support shaft can rotate in the presence of external force.

The cylindrical stop bit post 15 of upper and lower opening, endoporus and the newel lower section of stop bit post 15 are provided with below fixed column 11 Cylinder 24 formed tight fit, the cylinder of the newel of most next stage is moved up and down in stop bit post endoporus；Stop bit post 15 are connected by position-arresting axis 16 with support shaft 13, and one end of position-arresting axis connects with the lug axle in the middle part of support shaft, position-arresting axis it is another End connects with the lug axle on stop bit column outer wall；The quantity of position-arresting axis is identical with the quantity of support shaft；Above a sucker After spanner is removed upwards, the sucker can leave ground in the presence of external force, move position-arresting axis, can change position-arresting axis with support Spanner, so that the sucker is closer or far from stop bit post, then is pressed onto ground sucker, then is moved downwards to stop block by the angle of axle After pushing against sucker top, stop block pushes against support shaft.

Therefore, by upward spanner, then the angle for changing position-arresting axis and support shaft, it becomes possible to change the height of base Degree, by depressing spanner, it becomes possible to the height of firm banking.The extreme lower position that base can be adjusted is in most next stage The cylinder 24 of stem is against on fixed capital into fixed column 11 and polygon locating dowel wall directed downwardly.

Above-described embodiment is intended merely to interpretation purposes of the invention, and is not limitation of the present invention, this technology The those of ordinary skill in field, in essential scope of the invention, makes a variety of changes or substitutes, and should also belong to guarantor of the invention Shield category.

Claims

1. a kind of maintenance ladder, it is characterised in that：Described maintenance ladder is main by base (1), multi-segment structure identical newel (2), footstock (3), connecting shaft (4) composition being fixed on footstock on most upper level newel, described newel is cylindricality, The side wall of newel is provided with marking time (21) outwardly；Every section of newel (2) bottom is provided with downward projection of maximum gauge Less than the polygon locating dowel (22) of center column diameter, accordingly, the positioning with upper level also is provided with every section of center capital Post forms the polygon location hole (23) to lower recess of tight fit, and newel is sequentially connected in series together, center above The polygon locating dowel (22) of post inserts the polygon location hole that the center of next stage is pushed up surely from top to bottom；Set on base top There is fixed column (11) upwardly, be provided with fixed capital and formed tightly to lower recess and the polygon locating dowel of newel Fixing hole of the polygon locating dowel of the fixing hole of cooperation, most next stage newel from top to bottom on inserted base (1) top is fixed； Described connecting shaft (4) bottom is the connecting pole in tight fit, the top of connecting shaft with the polygon location hole on the capital of center It is cylinder, the cylindrical hole to lower recess is provided with the roof of the cylindrical portion of connecting shaft；Described footstock bottom is provided with With the connecting seat that the cylindrical hole on connecting shaft top forms tight fit；The connecting pole of connecting shaft is inserted positioned at the top from top to bottom Central shaft polygon location hole positioning, then the connecting seat on footstock bottom is inserted into the connection on connecting shaft top from top to bottom Seat, makes footstock be placed on connecting shaft top, and in the presence of external force, footstock can be rotated on connecting shaft top；Base is placed in On ground, it is inserted on base top after newel concatenation, finally footstock is fixed on by connecting shaft and most go up a pole newel top, After maintenance personal is climbed in maintenance ladder top, sitting on carries out maintenance work on footstock, step on to mark time again after the completion of maintenance and return to ground.

2. maintenance ladder according to claim 1, it is characterised in that：Newel is sequentially connected in series together, it is above in The polygon locating dowel (22) of stem inserts the polygon location hole that the center of next stage is pushed up surely from top to bottom, and both form tightly Coordinate.

3. maintenance ladder according to claim 1, it is characterised in that：Set in the polygon locating dowel lower central of newel Diameter is less than the downward projection of cylinder (24) of polygon locating dowel minimum diameter, accordingly, the polygon on the capital of center The bottom wall of location hole is provided with the cylindrical hole to lower recess, next the polygon locating dowel of upper level newel is downwardly into Level newel on polygon location hole when, cylinder plays a part of guiding, because its diameter is smaller, is easily inserted into polygon In location hole, then polygon locating dowel is set to enter polygon location hole by rotation again, cylinder easily will enter downwards Enter in cylindrical hole；The fixing hole of the fixed column of the polygon locating dowel inserted base of most next stage newel, in most next stage The cylinder of stem is downwardly into stop bit post (15) through fixed column.

4. maintenance ladder according to claim 1, it is characterised in that：Newel is many side columns or cylinder.

5. maintenance ladder according to claim 1, it is characterised in that：Described base (1) mainly includes fixed column (11), three Individual or four discoid suckers (12), support shaft (13), eccentric spanners (14)；Described sucker bottom wall lower section is wrapped in one piece of tool Resilient rubber, the surrounding of rubber wraps the bottom of sucker upwards；Described support shaft (13) one end and fixed column (11) Lug axle on outer wall connects, and the other end connects with the lug axle on sucker roof；Described eccentric spanner is placed on sucker, eccentric Spanner includes spanner, guide pile and positioning disk, and described guide pile passes through sucker, positioning disk from top to bottom along the central shaft of sucker It is located on guide pile end directed downwardly, positioning disk is located at rubber lower section, the top of guide pile is located at sucker roof top, guide pile The terminal shaft of top and spanner connect, spanner and guide pile axle are provided with stop block, spanner and guide pile axle below one end even On stop block between central shaft of the position in stop block even and the edge of the stop block away from support shaft, guide pile is located to be inhaled Height of the height more than stop block above disk；When spanner is removed downwards stop block is pushed against on sucker top when, stop block Front end is pushed against support shaft end with sucker axle even, support shaft is rotated in the presence of external force, at this moment, inhales Disk is pressed on ground by positioning disk and rubber；Make spanner not when spanner being removed upwards the front end that makes stop block and being against on sucker top When can remove upwards again, positioning disk is moved up the upward jack-up in middle part of rubber wall directed downwardly, positioning disk is left ground, Sucker can be lifted from ground, and stop block leaves support shaft, and support shaft can rotate in the presence of external force；In fixation Post (11) lower section is provided with the cylindrical stop bit post (15) of upper and lower opening, and the endoporus of stop bit post (15) is more than the cylinder below newel (24) diameter, enables the cylinder of the newel of most next stage to be moved up and down in stop bit post endoporus；Stop bit post (15) is by only Position axle (16) is connected with support shaft (13), the lug axle company in the middle part of one end of position-arresting axis and support shaft, the other end of position-arresting axis and Lug axle on stop bit column outer wall connects；The quantity of position-arresting axis identical with the quantity of support shaft

6. maintenance ladder according to claim 5, it is characterised in that：After spanner above a sucker is removed upwards, should Sucker can leave ground in the presence of external force, move position-arresting axis, can change the angle of position-arresting axis and support shaft, so that The sucker is pressed onto ground closer or far from stop bit post, then sucker, then spanner is moved to downwards stop block push against sucker top after, Stop block pushes against support shaft.