CN207033329U - Column type overhead operation platform and its staircase - Google Patents

Abstract

Aerial operation machine field is the utility model is related to, on the one hand discloses a kind of staircase, it is characterised in that including lower staircase（41）With upper staircase（42）, the lower staircase（41）With the upper staircase（42）Respectively in 90 degree of risings, the lower staircase（41）Upper end and the lower staircase（42）Lower end connection.Also disclose a kind of column type overhead operation platform, including chassis（10）, column type elevating mechanism（20）, job platform（30）And staircase（40）, the column type elevating mechanism（20）Lower end connects the chassis（10）, upper end connects the job platform（30）, the staircase（40）Installed in the chassis（10）With the job platform（30）Between.The utility model sets staircase between chassis and job platform, facilitates personnel to be climbed from chassis to job platform, and under special construction operating mode, can stand people or the appropriate weight or instrument of transport on staircase, securely and reliably.

Description

Column type overhead operation platform and its staircase

Technical field

It the utility model is related to aerial operation machine field, and in particular to a kind of column type overhead operation platform and its help Ladder.

Background technology

As state's laws regulation is strengthened to the regulation in terms of high-altitude working safety, aerial work platform factory and enterprise, Building, municipal administration etc. application are more and more extensive.Existing column type overhead operation platform is generally single column type, this single mast The lifting mechanism of the job platform of rod structure uses single oil cylinder, due to being in cantilever position after platform raising during work, thus its Reliability is poor.

Chinese patent CN2304648Y discloses a kind of four column overhead operation platforms, the job platform include chassis, Motor hydraulic station, hydraulic control unit, electric apparatus control apparatus, walking power set and supporting leg leveling device etc., are characterized in Four groups of telescopic lower masts are provided with the chassis of job platform, elevating mechanism is provided with lower mast, section lower mast at the top of it On be provided with a rigid support, be provided with pivoting support on support, workbench is arranged on pivoting support.This fourth mast pillar height Working platform stability improves, but still has following technical problem：The elevating mechanism of telescopic lower mast is complicated, oil cylinder Carried jointly with link chain mechanism, phenomena such as chain clamping stagnation, oil cylinder unstability easily occur, and repair inconvenience；Working stand is more simple Just, operating personnel transport dangerous during weight to job platform or climbing.

Utility model content

Cause the unsafe defect of personnel's climbing to solve working stand simplicity in the prior art, the utility model provides one Kind column type overhead operation platform and its staircase, concrete technical scheme are：

One side of the present utility model, there is provided a kind of column type overhead operation platform, including chassis, column type lift Structure, job platform and staircase, the column type elevating mechanism lower end connect the chassis, and upper end connects the job platform, institute State staircase to be arranged between the chassis and the job platform, the staircase includes lower staircase and upper staircase, the lower staircase Lower end be connected with the chassis, the upper end of the upper staircase is connected with the job platform, the upper end of the lower staircase and institute State the lower end connection of staircase.

Preferably, the lower end of the lower staircase is connected with the chassis by fastener, the upper end of the upper staircase and institute Job platform is stated to connect by fastener, the upper end of the lower staircase is downward opening hook, the upper end of the lower staircase with It is connected by linking up with the lower end of the upper staircase.

Preferably, the chassis also includes two pairs of supporting legs of front and rear arrangement.

Preferably, two pairs of supporting legs are frog leg, or are H legs, or are for a pair frog leg and another pair is H legs.

The utility model sets staircase between chassis and job platform, facilitates personnel to be climbed from chassis to job platform, Can stand people or the appropriate weight or instrument of transport under special construction operating mode, on staircase, securely and reliably.

Brief description of the drawings

Form the part of this specification, for further understanding accompanying drawing of the present utility model, show the utility model Preferred embodiment, and together with specification be used for illustrate principle of the present utility model.In figure：

Fig. 1 is a kind of column type overhead operation platform structural representation of the present utility model；

Fig. 2 is Fig. 1 right view.

The implication of sequence number is expressed as in figure：

10 chassis；11 supporting legs；20 column type elevating mechanisms；21 pedestals；22 guide brackets；

23 hoist cylinders；201 columns；202 guide rods；203 racks；30 job platforms；

40 staircases；41 times staircases；Staircase on 42.

Embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combine, the explanation for being specifically described as understanding the utility model aims in embodiment, be not construed as to this reality With new improper restriction.

It is a kind of column type overhead operation platform structural representation of the present utility model referring to Fig. 1~2.The column type is high Working platform includes chassis 10, column type elevating mechanism 20, job platform 30 and staircase 40, the lower end of column type elevating mechanism 20 Connecting base plate 10, upper end connection operation platform 30.Wherein, column type elevating mechanism 20 includes pedestal 21, guide bracket 22 and lifting oil Cylinder 23, the lower end of pedestal 21 are connected with chassis 10, and the upper end of guide bracket 22 is connected with job platform 30, the lower end of guide bracket 22 and the upper end of pedestal 21 Scalable connection, hoist cylinder 23 are located among pedestal 21, the upper end connection operation platform 30 of hoist cylinder 23, lower end connection bottom Disk 10 or pedestal 21.Staircase 40 includes lower staircase 41 and upper staircase 42, and the lower end of lower staircase 41 is connected with chassis 10, upper staircase 42 upper end is connected with job platform 30, and the upper end of lower staircase 41 is connected with the lower end of upper staircase 42.

In preferred embodiment, the lower staircase 41 of staircase 40 is connected with chassis by fastener, upper staircase 42 and operation horizontal Platform 30 is connected by fastener, and the mode of lower staircase 41 and upper staircase 42 docking is mounting or snapping." mounting ", " button herein Connect " refer both to the convenient structure assembled and disassembled.Such as the lower upper end of staircase 41 is downward opening hook, the lower end of upper staircase 42 is round bar, mast Column type lifting mechanism it is height-rise in place when, hook is contacted with round bar and is articulated on round bar；When someone climbs, due to Action of Gravity Field, Hook is tighter with round bar mounting, and the staircase 40 after mounting connects more firm.

The pedestal and guide bracket of column type elevating mechanism of the present utility model are located at pedestal using scalable connection, hoist cylinder Centre, the mode of arrangement is separated with the scalable connection of pedestal and guide bracket, ensure that column type overhead operation platform stability under loading, together When the design of column type elevating mechanism it is simple, have and do not allow easy break-down, it is easy to maintenance the advantages that.Chassis and aerial work platform it Between staircase is set, facilitate personnel to be climbed from chassis to job platform；Can be stood under special construction operating mode, on staircase people or transport it is suitable When weight or instrument, ensure that the safety of personnel and instrument.

The pedestal 21 of column type elevating mechanism 20 includes four root posts 201, and four root posts 201 are hollow box-structure, Guide bracket 22 includes telescopically being set in respectively pair with four root posts 201 corresponding four guide rods 202 respectively, four guide rods 202 In four root posts 201 answered.

Rack 203 is respectively arranged with four guide rods 202, rack 203 is set respectively in four root posts 201 of pedestal 21 Engaging mechanism (not shown).In other alternative embodiment, sliding block and/or pedestal are respectively arranged with four guide rods 202 Sliding block is respectively arranged with 21 four root posts 201.

For the lower staircase 41 and upper staircase 42 of staircase 49 respectively in 90 degree of risings, the staircase 40 after connection is overall in from left to right Spiral escalation.Certainly when lower staircase 41 and upper staircase 42 reversely rise in 90 degree respectively, staircase 40 after connection it is overall in by Right-to-left spiral escalation.When column type overhead operation platform height is higher, the hop count of staircase can increase.It is described herein " in 90 degree of risings ", refer to the lower end of staircase on a plane a, upper end is in another plane b to be intersected vertically with plane a On, staircase body is in two plane intersections in 90 degree of turnovers.Specific to the utility model, pedestal 21 includes four root posts 201, group Into a tetrahedron, plane a is a tetrahedral face a1, and plane b is tetrahedral another face b1 adjacent with face a1； Or be interpreted as, guide bracket 22 includes four guide rods 202, forms a tetrahedron, plane a is tetrahedral a face a ', plane b For tetrahedral another face b ' adjacent with face a '.

To increase job stabilization, chassis 10 also includes two pairs of supporting legs 11 of front and rear arrangement, and two pairs of supporting legs 11 are frog leg, Or be H legs, or be for a pair frog leg and another pair is H legs.The concrete structure and embodiments thereof of supporting leg belong to prior art, This is repeated no more.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (4)

1. a kind of column type overhead operation platform, including chassis (10), column type elevating mechanism (20), job platform (30) and help Terraced (40), column type elevating mechanism (20) lower end connect the chassis (10), and upper end connects the job platform (30), its It is characterised by, the staircase (40) is arranged between the chassis (10) and the job platform (30), staircase (40) bag Lower staircase (41) and upper staircase (42) are included, the lower end of the lower staircase (41) is connected with the chassis (10), the upper staircase (42) upper end is connected with the job platform (30), and the upper end of the lower staircase (41) and the lower end of the upper staircase (42) connect Connect.

2. column type overhead operation platform according to claim 1, it is characterised in that the lower end of the lower staircase (41) with The chassis (10) is connected by fastener, and the upper end of the upper staircase (42) is connected with the job platform (30) by fastener Connect, the upper end of the lower staircase (41) is downward opening hook, the upper end of the lower staircase (41) with by hook with it is described The lower end connection of upper staircase (42).

3. column type overhead operation platform according to claim 2, it is characterised in that the chassis (10) also includes front and rear Two pairs of supporting legs (11) of arrangement.

4. column type overhead operation platform according to claim 3, it is characterised in that two pairs of supporting legs (11) are the frog Leg, or be H legs, or be for a pair frog leg and another pair is H legs.