CN218665317U

CN218665317U - Rotary table and overhead working truck

Info

Publication number: CN218665317U
Application number: CN202223243182.4U
Authority: CN
Inventors: 罗利飞; 覃先云; 贺生龙
Original assignee: Changsha Zoomlion Environmental Industry Co Ltd
Current assignee: Changsha Zoomlion Environmental Industry Co Ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-21
Anticipated expiration: 2032-12-02

Abstract

The utility model belongs to the technical field of engineering machine tool, concretely relates to revolving stage and high altitude construction car, revolving stage include shrouding and two side arms of interval arrangement, and the side arm slope upwards extends and be hollow structure, and its inside second cavity that has, shrouding include top shrouding and bottom shrouding, and the top of two side arms is connected respectively at the both ends of top shrouding, and the bottom of two side arms is connected respectively at the both ends of bottom shrouding, and top shrouding, bottom shrouding and two side arms form first cavity. The utility model utilizes the top sealing plate, the bottom sealing plate and the two side arms to form a stable frame structure, thereby generating a non-closed first cavity; and both side arms are designed as hollow structures with an internal second cavity. This application has optimized the atress structure when having guaranteed the bulk strength and the stability of revolving stage, has effectively reduced the weight of side arm, has realized the lightweight of structure, has saved manufacturing cost.

Description

Rotary table and overhead working truck

Technical Field

The utility model belongs to the technical field of engineering machine tool, especially, relate to a revolving stage and high altitude construction car.

Background

Along with the progress of society, the safety of the engineering field is more and more important, the application of the high-altitude operation vehicle is more and more extensive, and the 4-ton high-altitude operation vehicle has the advantages of low operation cost and large sales volume, but the design difficulty of the high-altitude operation vehicle is large due to the weight limitation, so the maximum weight optimization on the basis of safety and reliability is a great difficulty in the design of the high-altitude operation vehicle. The high-altitude operation car height meter section revolving stage of current forms for the high strength steel welding, and a large amount of gusset of internal weld for the revolving stage structure can not satisfy the lightweight design.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a revolving stage and high altitude construction car, the not good technical problem who leads to weight big partially of structural design who aims at solving the revolving stage among the prior art.

In order to achieve the above object, the present invention provides a turntable, wherein the turntable comprises:

the side arms extend upwards in an inclined mode and are provided with second cavities; and

the shrouding, including top shrouding and bottom shrouding, the top of two side arms is connected respectively at the both ends of top shrouding, and the bottom of two side arms is connected respectively at the both ends of bottom shrouding, and top shrouding, bottom shrouding and two side arms form first cavity.

The embodiment of the utility model provides an in, the side arm includes curb plate, reinforcing plate and connection shrouding, and curb plate, reinforcing plate and connection shrouding head and the tail connect gradually and enclose synthetic confined second cavity, and the surface of two curb plates of two side arms is back to back of the body and is arranged, the surface mutual disposition of two reinforcing plates.

The embodiment of the utility model provides an in, the curb plate forms the indent structure, and the relative setting of interior concave surface of the indent structure of two curb plates.

The embodiment of the utility model provides an in, the curb plate is including the bottom, first rake, vertical portion and the second rake that the indent formed of bending in proper order, and the bottom of two curb plates docks each other, and the length of second rake is less than the length of vertical portion, connects one side and the reinforcing plate of shrouding and is connected, and the opposite side connects gradually vertical portion and second rake.

The embodiment of the utility model provides an in, the revolving stage is still including locating in the first cavity and both sides respectively with two reinforcing plates be connected draw the board to one side, the one end and the bottom of oblique arm-tie are connected, the other end is connected with the bottom shrouding, and oblique arm-tie, reinforcing plate, bottom shrouding and bottom formation confined third cavity.

The embodiment of the utility model provides an in, the surface of drawing the board to one side still is equipped with a plurality of interval arrangements's fretwork space.

The embodiment of the utility model provides an in, the revolving stage still includes the bottom plate that the level was arranged in the side arm bottom, is equipped with the bottom strengthening rib between bottom plate and the reinforcing plate.

In an embodiment of the utility model, still provide an aerial working car, this aerial working car including be equipped with rotation mechanism's chassis and as above the revolving stage, rotation mechanism is connected with the bottom of revolving stage and is used for driving the revolving stage rotatory.

The embodiment of the utility model provides an in, high altitude construction car still includes the cantilever crane and becomes width of cloth hydro-cylinder, and the cantilever crane is articulated through the top of first round pin axle with the side arm, becomes width of cloth hydro-cylinder and articulates through the middle part of second round pin axle with the side arm, is equipped with two axle sleeves that are used for pegging graft first round pin axle and second round pin axle respectively on the side arm, and the axle sleeve runs through the second cavity.

The embodiment of the utility model provides an in, the inside hollow inside strengthening rib that still is equipped with of side arm, inside strengthening rib install in the periphery of axle sleeve and lie in first cavity.

Through the technical scheme, the embodiment of the utility model provides a revolving stage has following beneficial effect:

the utility model discloses a revolving stage is enclosed into stable frame construction by top shrouding, bottom shrouding and two side arms to produce non-inclosed first cavity, the stress point of revolving stage all concentrates on shrouding, bottom shrouding and two side arm departments, need not be at a large amount of gussets of revolving stage internal welding, also can guarantee the bulk strength and the stability of revolving stage, has saved manufacturing cost, has reduced weight. In addition, two side arms forming the rotary table are both designed into hollow structures with internal second cavities, so that the required mechanical property is guaranteed, meanwhile, the stress structure of the side arms is optimized, the weight of the side arms is effectively reduced, and the light weight of the structure is realized.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention, but do not constitute a limitation of the invention. In the drawings:

fig. 1 is a schematic structural view of an aerial cage according to an embodiment of the present invention;

fig. 2 is an exploded view of a turntable according to an embodiment of the present invention;

fig. 3 is a schematic left view of a turntable according to an embodiment of the present invention;

fig. 4 is a schematic front view of a turntable according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a side plate according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a connection sealing plate according to an embodiment of the present invention.

Description of the reference numerals

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

The following describes a turntable and an aerial cage according to the present invention with reference to the drawings.

As shown in fig. 2, in the embodiment of the present invention, a rotary table 10 is provided, wherein the rotary table 10 includes two side arms 20 of shrouding and interval arrangement, the side arm 20 inclines to extend upwards and be hollow structure, its inside second cavity that has, the shrouding includes top shrouding 11 and bottom shrouding 12, the top of two side arms 20 is connected respectively at the both ends of top shrouding 11, the bottom of two side arms 20 is connected respectively at the both ends of bottom shrouding 12, top shrouding 11, bottom shrouding 12 and two side arms 20 form first cavity.

The utility model discloses to constitute two side arms 20 of revolving stage 10 and all design the hollow structure for having inside second cavity, when having guaranteed required mechanical properties, optimized side arm 20's atress structure, effectively reduced side arm 20's weight, realized the lightweight structure of revolving stage 10.

Further, the turntable 10 is a stable frame structure formed by enclosing a top closing plate 11, a bottom closing plate 12 and two side arms 20, and a non-airtight first cavity is generated, stress points of the turntable 10 are all concentrated at the closing plate, the bottom closing plate 12 and the two side arms 20, a large number of rib plates do not need to be welded inside the turntable 10, the overall strength and stability of the turntable 10 can be guaranteed, the production cost is saved, and the weight is reduced.

The embodiment of the utility model provides an in, side arm 20 includes curb plate 21, reinforcing plate 22 and connects shrouding 23, and curb plate 21, reinforcing plate 22 and connect shrouding 23 end to end connect gradually and enclose synthetic confined second cavity, and two curb plates 21's of two side arms 20 surface is back of the body to be arranged mutually, and two reinforcing plates 22's surface is arranged relatively.

The side plates 21 form an inner concave structure, and inner concave surfaces of the inner concave structures of the two side plates 21 are arranged oppositely. When the inner concave surfaces of the two side plates 21 are oppositely disposed, the outer walls of the two side plates 21 protrude outward in the opposite direction, and since the two side plates 21 constitute the outer side wall of the turntable 10, the turntable 10 is approximately cylindrical in shape. The round shape is the shape with the largest ratio of the area to the side length, the cross section of the rotary table 10 is set to be approximately round, and the purpose is to enable the rotary table 10 to bear larger transverse shear stress by increasing the area of the cross section of the rotary table 10, and improve the mechanical property and the structural strength of the rotary table 10.

Specifically, as shown in fig. 5, the side plate 21 includes a bottom portion 211, a first inclined portion 212, a vertical portion 213, and a second inclined portion 214, which are formed by bending inward in this order, the length of the second inclined portion 214 is smaller than that of the vertical portion 213, one side of the connection sealing plate 23 is connected to the reinforcing plate 22, and the other side of the connection sealing plate connects the vertical portion 213 and the second inclined portion 214. The bottom 211 and the connecting sealing plate 23 are arranged in parallel, the vertical part 213 and the reinforcing plate 22 are arranged in parallel, the two bottoms 211 of the two side plates 21 are butted with each other, and the butt joint part of the two bottoms 211 is provided with a partial gap, so that not only can the manufacturing materials required by the bottom 211 be reduced, but also the gaps of the two bottoms 211 are butted to form an avoiding space for subsequently installing the arm support 40 for the rotary table 10. The second inclined portion 214 includes a first inclined side 2141, a straight side 2142 and a second inclined side 2143 connected in sequence, and the first inclined side 2141 of the second inclined portion 214 is connected to the bottom closure plate 12. As shown in fig. 6, the connecting closing plate 23 includes a first straight section 231, an inclined section 232, and a second straight section 233 connected in sequence. Wherein, one side of each of the first flat section 231, the inclined section 232 and the second flat section 233 is connected to the reinforcing plate 22, and the other side thereof is connected to the flat side 2142 of the second inclined part 214, the second inclined side 2143 of the second inclined part 214 and the vertical part 213, respectively. Through the design, as shown in fig. 3, the width of the bottom of the side arm 20 is larger than that of the top, so that the structural strength of the bottom of the side arm 20 is increased, and the stress performance of the bottom of the side arm 20 is better, so as to adapt to the actual working condition that the bottom of the side wall is often stressed greatly.

The detailed structure of the side arm 20 of the present invention is described in detail with reference to fig. 5 and 6, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

The embodiment of the utility model provides an in, revolving stage 10 is still including locating in the first cavity and both sides respectively with two reinforcing plates 22 be connected draw-bar 13 to one side, draw-bar 13's one end and bottom 211 to one side and be connected, the other end is connected with bottom shrouding 12, and draw-bar 13, reinforcing plate 22, bottom shrouding 12 and bottom 211 to one side and form confined third cavity, further utilize cavity structures to increase structural stability. Meanwhile, as shown in fig. 4, the surface of the diagonal draw plate 13 is further provided with a plurality of hollow spaces 131 arranged at intervals, so that the quality of the diagonal draw plate 13 is effectively reduced, and the structural lightweight is further realized.

In the embodiment of the present invention, an aerial working platform is further provided, the aerial working platform comprises a chassis 30 provided with a swing mechanism 31 and the turntable 10 as described above, the swing mechanism 31 is connected with the bottom end of the turntable 10 and is used for driving the turntable 10 to rotate. The turntable 10 further comprises a bottom plate 14 horizontally disposed at the bottom end of the side arm 20, the bottom plate 14 is used for enabling the turntable 10 to butt against the swing mechanism 31, and a bottom reinforcing rib 15 is further provided between the bottom plate 14 of the bottom 211 of the turntable 10 and the reinforcing plate 22 to reinforce the stability of the bottom 211 of the turntable 10, so that the swing mechanism 31 can stably drive the turntable 10 to rotate.

In the embodiment of the utility model, as shown in fig. 1, the aerial working platform further includes cantilever crane 40 and variable amplitude cylinder 50, cantilever crane 40 is articulated with the top of side arm 20 through first round pin axle, variable amplitude cylinder 50 is articulated with the middle part of side arm 20 through second round pin axle, be equipped with two axle sleeves 16 that are used for pegging graft first round pin axle and second round pin axle respectively on the side arm 20, axle sleeve 16 runs through the second cavity, a plurality of axle sleeves 16 that pass side arm 20 also can form the cavity with side arm 20 simultaneously to increase certain structural stability for side arm 20.

In addition, since the luffing cylinder 50 is used to control the luffing motion of the boom 40 and bears most of the weight of the boom 40, a large stress is often required to be borne around the bushing 16 on which the luffing cylinder 50 is mounted. To the above circumstances, the utility model discloses still carried out special structure reinforcing nature design to this, set up hollow inside strengthening rib 17 inside side arm 20, inside strengthening rib 17 is installed in axle sleeve 16's periphery and is located first cavity.

The embodiment of the utility model provides an in, high altitude construction car is still including being used for controlling the cantilever crane 40 and become the control box of width of cloth hydro-cylinder 50, is equipped with control box mounting panel 18 and interval arrangement on revolving stage 10 and pedal support 19 in control box mounting panel 18 below, and operating personnel can stand or end sit and operate control box on pedal support 19.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A turntable, characterized in that the turntable (10) comprises:

two side arms (20) arranged at intervals, wherein the side arms (20) extend obliquely upwards and are provided with second cavities; and

the shrouding, including top shrouding (11) and bottom shrouding (12), two are connected respectively to the both ends of top shrouding (11) the top of side arm (20), two are connected respectively to the both ends of bottom shrouding (12) the bottom of side arm (20), top shrouding (11), bottom shrouding (12) and two side arm (20) form first cavity.

2. Turntable as claimed in claim 1, characterized in that said side arms (20) comprise side plates (21), reinforcing plates (22) and connecting closing plates (23), said side plates (21), said reinforcing plates (22) and said connecting closing plates (23) being connected end to end in sequence and enclosing said second closed cavity, the surfaces of the two side plates (21) of the two side arms (20) being arranged opposite each other and the surfaces of the two reinforcing plates (22) being arranged opposite each other.

3. Turntable as claimed in claim 2, characterized in that the side plates (21) form a concave structure, and the concave surfaces of the concave structures of the two side plates (21) are arranged opposite each other.

4. Turntable as claimed in claim 3, characterized in that said side plates (21) comprise a bottom portion (211), a first inclined portion (212), a vertical portion (213) and a second inclined portion (214) which are concavely bent in sequence, said bottom portions (211) of two of said side plates (21) being butted against each other, said second inclined portion (214) having a length smaller than that of said vertical portion (213), said connecting closure plate (23) being connected on one side to said reinforcing plate (22) and on the other side to said vertical portion (213) and said second inclined portion (214) in sequence.

5. The rotary table according to claim 4, wherein the rotary table (10) further comprises a diagonal draw plate (13) disposed in the first cavity and connected to the two reinforcing plates (22) at two sides, one end of the diagonal draw plate (13) is connected to the bottom (211), the other end is connected to the bottom sealing plate (12), and the diagonal draw plate (13), the reinforcing plates (22), the bottom sealing plate (12) and the bottom (211) form a third closed cavity.

6. Turntable according to claim 5, characterized in that the surface of the diagonal draw plate (13) is further provided with a plurality of interspaced hollowed-out spaces (131).

7. Turntable as claimed in any one of the claims 2-6, characterized in that the turntable (10) further comprises a bottom plate (14) arranged horizontally at the bottom end of the side arm (20), a bottom reinforcement (15) being provided between the bottom plate (14) and the reinforcement plate (22).

8. An aerial lift truck, characterized in that the aerial lift truck comprises a chassis (30) provided with a slewing mechanism (31) and a turntable (10) according to any one of claims 1 to 7, the slewing mechanism (31) being connected with a bottom end of the turntable (10) and being adapted to drive the turntable (10) in rotation.

9. The overhead working truck according to claim 8, further comprising an arm support (40) and a luffing cylinder (50), wherein the arm support (40) is hinged to the top of the side arm (20) through a first pin, the luffing cylinder (50) is hinged to the middle of the side arm (20) through a second pin, two shaft sleeves (16) for inserting the first pin and the second pin respectively are arranged on the side arm (20), and the shaft sleeves (16) penetrate through the second cavity.

10. The aerial lift truck as claimed in claim 9, wherein the side arms (20) are also internally provided with hollow internal reinforcing ribs (17), and the internal reinforcing ribs (17) are mounted on the periphery of the shaft and located in the first cavity.