CN215160514U

CN215160514U - Rotary table and crane

Info

Publication number: CN215160514U
Application number: CN202121204855.8U
Authority: CN
Inventors: 王静; 李聪; 孟朝钰; 王亚生; 陈学科
Original assignee: Construction Machinery Branch of XCMG
Current assignee: Construction Machinery Branch of XCMG
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-14
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a revolving stage and hoist belongs to engineering machine tool technical field, and it is not enough to aim at solving among the prior art revolving stage internally mounted space, installs crowded and the heavy problem of revolving stage bulk weight between each part. The rotary table comprises a rotary table body, a first mounting table and a second mounting table, wherein the first mounting table and the second mounting table are arranged at two ends of the rotary table body, the first mounting table and the second mounting table are encircled to form an installation accommodating cavity, the first mounting table is arranged at the main arm connecting end of the rotary table body, the first mounting table is abutted to one side middle part of the installation accommodating cavity and is sunken to form a cavity towards the direction deviating from the installation accommodating cavity, a rotary speed reducer mounting seat is arranged at the middle part of the other side, and main arm connecting lug plates are arranged at two ends of the rotary table body. The utility model discloses optimized the structural style of revolving stage, made the revolving stage inner space obtain enlarging, convenient part to revolving stage internally mounted overhauls and the dismouting to make the whole weight reduction of revolving stage.

Description

Rotary table and crane

Technical Field

The utility model relates to a revolving stage and hoist belongs to engineering machine tool technical field.

Background

The crawler crane is an important classification in mechanical equipment, and plays an important role in infrastructure construction, wind power construction, nuclear power construction, petrochemical construction and the like. The rotary table is one of key structural members of the crawler crane and is used for connecting the crane to get on and off the crane, a plurality of components such as an engine system, a winding system and a hydraulic system are arranged in the rotary table, and the structure of the rotary table has great influence on the convenience of dismounting and maintenance of the components in the rotary table.

As shown in figures 1 and 2, the distance between the centers of a left vertical plate and a right vertical plate of a main structure of the existing rotary table is 2.3m, a main arm connecting lug plate is a double lug plate, the main arm connecting lug plate and the vertical plate are not on the same central line, a front box type is a regular closed box type structure, a rotary speed reducer mounting seat is arranged in the rotary table, buckling plates are distributed on the periphery of the rotary table, a regular closed box type beam structure is distributed in the middle of the rotary table, the mounting space in the rotary table is limited, parts are crowded, the convenience of part dismounting and maintenance is influenced, and the whole rotary table is heavy in weight.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a revolving stage, through optimizing revolving stage structural style to realize that the revolving stage inner space is more sufficient, dismouting and the more convenient purpose of maintenance.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a turntable comprises a turntable body 1, a first mounting table 2 and a second mounting table 3, wherein the first mounting table 2 and the second mounting table 3 are arranged at two ends of the turntable body 1, and the turntable body 1, the first mounting table 2 and the second mounting table 3 surround to form a mounting cavity 4; the first mounting table 2 is arranged at the main arm connecting end of the rotary table body 1, the middle of one side of the mounting accommodating cavity 4 is adjacent to the main arm connecting end, the middle of the other side of the mounting accommodating cavity is sunken into a cavity towards the direction deviating from the mounting accommodating cavity, a rotary speed reducer mounting seat 6 is arranged at the middle of the other side of the mounting accommodating cavity, and main arm connecting lug plates 7 are arranged at the two ends of the mounting accommodating cavity.

Further, the turntable body 1 comprises two side edge assemblies which are oppositely arranged on the left side and the right side of the turntable body 1, and the two side edge assemblies are respectively connected with two ends of the first mounting table 2 and the second mounting table 3; each side component is a box-shaped structure which is wholly or partially enclosed by a side vertical plate 101 which is vertically arranged, an upper cover plate 102 which is horizontally arranged at the upper end of the side vertical plate 101, and a lower cover plate 103 which is horizontally arranged at the lower end of the side vertical plate 101.

Further, the lower cover plate 103 extends to below the first mounting platform 2; the first mounting table 2 comprises a front vertical plate 202, an inclined plate 205, an inner side plate 203, a closing plate 204 and a cover plate 201 which are vertically arranged on the lower cover plate 103; the number of the inner side plates 203 is two, and the inner side plates are respectively arranged on two ends of one side of the first mounting platform 2 adjacent to the mounting cavity 4 in parallel to the front vertical plate 202; the number of the inclined plates 205 is two, the two inclined plates 205 are arranged oppositely, and one end of each inclined plate 205 is connected with the inner side plate 203 while the other end is connected with the front vertical plate 202; the cover plate 201 is parallel to the lower cover plate 103 and is connected to the upper ends of the front vertical plate 202 and the inclined plate 205; the number of the closing plates 204 is two, and the two closing plates are respectively arranged at two ends of the first mounting platform and connected with the inner side plate 203 and the front vertical plate 202 at the ends.

Furthermore, the closing plate 204 and the side vertical plate 101 are located on the same plane and are fixedly connected to each other, and the main arm connecting lug plate 7 is arranged at the front end of the closing plate 204 in an extending manner.

Further, the upper cover plate 102 extends to above two ends of the first mounting platform 2 and is connected to the upper end of the inner side plate 203 and the upper ends of the two ends of the front vertical plate 202.

Further, two mast connecting lug plates 8 are arranged in the first mounting platform 2, the mast connecting lug plates 8 are vertically arranged on the lower cover plate 103, one side surface of each mast connecting lug plate 8 is vertically connected with the end parts of the inner side plate 203 and the upper cover plate 102, and the other side surface is vertically connected with the end part of the cover plate 201; the inclined plate 205 is fixedly connected with the inner side plate 203 through a mast connecting lug plate 8.

Further, one side of the cover plate 201 facing the installation cavity 4 is concave.

Furthermore, a plurality of cross beams 5 are arranged in the installation accommodating cavity 4, and two ends of each cross beam 5 are respectively connected with the side vertical plates 101 on two sides of the turntable body 1.

Further, the cross beam 5 is a seamless tube.

Furthermore, the number of the cross beams 5 is at least three, and the hoisting system is arranged on the cross beams 5.

Furthermore, the utility model discloses still protect a hoist, the hoist uses foretell revolving stage.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

1. the utility model discloses a set up first mount table into the structure that the cavity is sunken towards the direction that deviates from the installation appearance chamber in one side middle part that borders on the installation appearance chamber, set up the speed reducer mount pad that will turn round at the opposite side middle part simultaneously, connect the otic placode with the main arm and set up at first mount table both ends, thereby the inner space and the installation appearance chamber intercommunication of messenger's first mount table, make full use of the box inner space of first mount table, make the installation appearance chamber space of revolving stage enlarge, the dismouting and the maintenance of revolving stage inner member provide more operating spaces.

2. The utility model discloses a set up the revolving stage body into by the side board, upper cover plate, apron enclose down, simplified revolving stage body structure to the weight of whole revolving stage has been alleviateed.

3. The utility model discloses a revolving stage installation holds the intracavity and sets up several seamless pipe crossbeams, can install the hoist system on the seamless pipe crossbeam, and the setting of seamless pipe crossbeam has not only make full use of the space, has still ensured the intensity and the rigidity of revolving stage when having alleviateed the whole weight of revolving stage.

Drawings

Fig. 1 is a schematic structural view of a turntable in the prior art.

Fig. 2 is a schematic view of the interior of a turntable after the internal components have been assembled in the prior art.

Fig. 3 is a schematic view of an overall structure of a turntable according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a first mounting table of a turntable according to an embodiment of the present invention.

Fig. 5 is a schematic view of a layout structure of a turntable according to an embodiment of the present invention.

In the figure:

1. a turntable body; 2. a first mounting table; 3. a second mounting table; 4. installing a cavity; 5. a cross beam; 6. a rotary speed reducer mounting base; 7. the main arm is connected with the lug plate; 8. the mast is connected with the lug plate; 9. the amplitude-variable pulley block is connected with the lug plate; 10. hoisting and mounting the lug plate; 11. installing an ear plate on the amplitude-variable winch; 101. a side vertical plate; 102. an upper cover plate; 103. a lower cover plate; 201. a cover plate; 202. a front vertical plate; 203. an inner side plate; 204. closing the plate; 205. a sloping plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 3, an embodiment of a turntable includes a turntable body 1, a first mounting table 2, and a second mounting table 3, where the turntable body 1, the first mounting table 2, and the second mounting table 3 are all box-type structures, the first mounting table 2 and the second mounting table 3 are respectively mounted at two ends of the turntable body 1, so as to form a mounting cavity 4, components such as an engine system, a winch system, and a hydraulic system can be mounted in the mounting cavity 4, and a rotary speed reducer mounting seat 6 is mounted outside the mounting cavity 4.

The turntable body 1 comprises two side edge components which are oppositely arranged on the left side and the right side of the turntable body 1, the two side edge components are respectively connected with two ends of a first mounting table 2 and a second mounting table 3, and each side edge component is of a box-shaped structure which is formed by integrally or partially enclosing a side vertical plate 101, an upper cover plate 102 and a lower cover plate 103; the side vertical plate 101 is arranged perpendicular to the plane, the upper cover plate 102 and the lower cover plate 103 are arranged horizontally and oppositely, and the upper cover plate 102 and the lower cover plate 103 are respectively and fixedly arranged at the upper end and the lower end of the side vertical plate 101. The structure of the rotary table body simplifies the structure of the rotary table body, thereby reducing the weight of the whole rotary table.

As shown in fig. 3 and 4, the first installation platform 2 is arranged at the main arm connecting end of the turntable body 1, the middle part of one side, adjacent to the installation cavity 4, of the first installation platform 2 is of a sunken cavity structure, the sunken cavity is sunken towards the direction deviating from the installation cavity 4, so that the internal space of the first installation platform 2 box body can be communicated with the installation cavity 4, meanwhile, the main arm connecting lug plates 7 are arranged at the two ends of the first installation platform 2, the rotary speed reducer installation seat 6 is arranged at the middle part of the outer side of the installation cavity 4, the internal space of the first installation platform 2 box body is utilized, and the space of the turntable installation cavity 4 is enlarged.

The first mounting table 2 comprises a front vertical plate 202, an inclined plate 205, an inner side plate 203, a closing plate 204 and a cover plate 201, wherein the cover plate 201, the front vertical plate 202 and the inclined plate 205 form a concave cavity of the first mounting table 2, the front vertical plate 202 and the inclined plate 205 are vertically arranged on the lower cover plate 103, one end of the inclined plate 205 is connected with the inner side plate 203, the other end of the inclined plate 205 is connected with the front vertical plate 202, the number of the inclined plates 205 is two, the two inclined plates 205 are oppositely arranged, the cover plate 201 is parallel to the lower cover plate 103, and the cover plate 201 is connected with the upper ends of the front vertical plate 202 and the inclined plate 205. The cover plate 201 is a concave arc cover plate, one side of the cover plate facing the installation cavity 4 is a concave arc, and the arrangement of the concave arc cover plate can ensure the strength and simultaneously does not influence the internal installation space of the installation cavity 4. The inner side plates 203 are vertically arranged on the lower cover plate 103, the inner side plates 203 are parallel to the front vertical plate 202, two inner side plates 203 are respectively arranged at two ends of one side of the first mounting platform 2 adjacent to the mounting cavity 4, and one end of each inner side plate is respectively connected with the side vertical plate 101. The upper cover plate 102 extends to above the two ends of the first mounting platform 2 and is connected to the upper end of the inner side plate 203 and the upper ends of the two ends of the front vertical plate 202. The two seal plates 204 are respectively fixedly connected with one end of the side vertical plate 10 of the turntable body 1, the end parts of the front vertical plate 202 and the inner side plate 203 of the second mounting table 3, the front end of each seal plate 204 is provided with a crane main arm connecting lug plate 7, and the crane main arm connecting lug plate 7 and the seal plates 204 are integrally formed or welded; therefore, the central line of the main arm connecting lug plate 7 and the central line of the side vertical plate 101 are on the same straight line, the space between the two main arm connecting lug plates 7 is enlarged, and the rotary speed reducer mounting seat 6 is mounted in the middle of the outer side of the first mounting table, namely in the space between the two main arm connecting lug plates 7. In addition, a reinforcing rib is arranged at the interface of the closing plate 204 and the front vertical plate 202.

Two mast connecting lug plates 8 are further arranged in the first mounting platform 2, the mast connecting lug plates 8 are vertically arranged on the lower cover plate 103, one side surface of each mast connecting lug plate 8 is vertically connected with the end part of the inner side plate 203 and the upper cover plate 102, and the other side surface is vertically connected with the end part of the cover plate 201; the inclined plate 205 is fixedly connected with the inner side plate 203 through the mast connecting ear plate 8. The inclined plate 205, the mast connecting lug plate 8 and the front vertical plate 202 form a relatively stable triangular structure, so that the strength and rigidity of the first mounting platform 2 structure are better ensured.

The second mounting platform 3 can be a regular closed box structure, and is provided with an amplitude variation pulley block connecting lug plate 9.

As shown in fig. 3 and 5, a plurality of beams 5 are arranged in the installation cavity 4, and two ends of each beam 5 are detachably or fixedly connected with the side vertical plates 101 on two sides of the turntable body 1; the hoisting winch and the amplitude-variable winch are arranged on the cross beam 5 through the connecting lug plates, four cross beams 5 are arranged, the cross beam 501 is arranged on one side, close to the first mounting table 2, of the mounting cavity 4, the cross beam 502, the cross beam 503 and the cross beam 504 are sequentially arranged on the right side of the cross beam 501, the hoisting winch is arranged on the cross beam 501 and the cross beam 502 through the hoisting winch mounting lug plates 10, the amplitude-variable winch is arranged on the cross beam 502 and the cross beam 503 through the amplitude-variable winch mounting lug plates 11, and the space on the cross beam 5 is fully utilized for mounting the winch; the generator system comprises a storage battery, a fuel tank, a hydraulic oil radiator and a main pump, wherein the fuel tank, the hydraulic oil radiator and the main pump are arranged between a second mounting table 3 and a cross beam 503 in a mounting cavity 4, the hydraulic oil radiator is arranged on a side vertical plate 101 of the rotary table body and close to the right side of the cross beam 503, and the cross beam 504 is arranged between the hydraulic oil radiator and the second mounting table 3 and close to the upper cover plate 102. The positions of all the parts are arranged, so that the internal layout of the rotary table is more reasonable. The cross beam 5 preferably adopts seamless tubes, so that the space is saved, the whole weight of the rotary table is reduced, and the strength and the rigidity of the rotary table are ensured.

In addition, can suitably widen revolving stage body 1 in length, height or width under the prerequisite that satisfies the transportation requirement to make the inside installation of revolving stage hold the space in chamber 4 further increase, convenient maintenance and dismouting.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A turntable is characterized by comprising a turntable body (1), a first mounting table (2) and a second mounting table (3) which are arranged at two ends of the turntable body (1), wherein the turntable body (1), the first mounting table (2) and the second mounting table (3) surround to form a mounting cavity (4); the first mounting table (2) is arranged at the main arm connecting end of the rotary table body (1) and is abutted against one side middle part of the mounting accommodating cavity (4) and is sunken into a cavity towards the direction deviating from the mounting accommodating cavity, the middle part of the other side is provided with a rotary speed reducer mounting seat (6), and the two ends of the first mounting table are provided with main arm connecting lug plates (7).

2. A turntable as claimed in claim 1, characterized in that the turntable body (1) comprises two side assemblies oppositely arranged at the left and right sides of the turntable body (1), and the two side assemblies are respectively connected with two ends of the first mounting table (2) and the second mounting table (3); each side component is a box-shaped structure formed by wholly or partially enclosing a side vertical plate (101) which is vertically arranged, an upper cover plate (102) which is horizontally arranged at the upper end of the side vertical plate (101) and a lower cover plate (103) which is horizontally arranged at the lower end of the side vertical plate (101).

3. A turntable as claimed in claim 2, characterized in that said lower cover plate (103) extends below the first mounting table (2); the first mounting table (2) comprises a front vertical plate (202), an inclined plate (205), an inner side plate (203), a sealing plate (204) and a cover plate (201) which are vertically arranged on the lower cover plate (103); the number of the inner side plates (203) is two, and the inner side plates are respectively arranged on two ends of one side of the first mounting platform (2) adjacent to the mounting cavity (4) in parallel to the front vertical plate (202); the number of the inclined plates (205) is two, the two inclined plates (205) are arranged oppositely, and one end of each inclined plate is connected with the inner side plate (203) while the other end is connected with the front vertical plate (202); the cover plate (201) is parallel to the lower cover plate (103) and is connected to the upper ends of the front vertical plate (202) and the inclined plate (205); the number of the sealing plates (204) is two, and the sealing plates are respectively arranged at two ends of the first mounting platform and connected with the inner side plate (203) and the front vertical plate (202) at the ends.

4. A turntable as claimed in claim 3, characterized in that said closing plate (204) and said side standing plate (101) are located on the same plane and are fixed to each other, and said main arm connecting lug (7) is extended from the front end of said closing plate (204).

5. A turntable as claimed in claim 3, characterized in that said upper cover plate (102) extends above both ends of the first mounting table (2) and connects the upper ends of the inner side plate (203) and the front upright (202);

two mast connecting lug plates (8) are further arranged in the first mounting table (2), the mast connecting lug plates (8) are vertically arranged on the lower cover plate (103), one side surface of each mast connecting lug plate (8) is vertically connected with the end parts of the inner side plate (203) and the upper cover plate (102), and the other side surface is vertically connected with the end part of the cover plate (201); the inclined plate (205) is fixedly connected with the inner side plate (203) through a mast connecting lug plate (8).

6. Turntable as claimed in claim 5, characterized in that the side of the cover plate (201) facing the mounting volume (4) is concavely curved.

7. A turntable as claimed in claim 2, wherein a plurality of cross beams (5) are arranged in said mounting cavity (4), and both ends of said cross beams (5) are respectively connected to the side vertical plates (101) on both sides of said turntable body (1).

8. A turntable as claimed in claim 7, characterized in that said beams (5) are seamless tubes.

9. A turntable as claimed in claim 8, characterized in that there are at least three said beams (5), and in that the hoisting system is mounted on said beams (5).

10. A crane, characterized in that a turntable as claimed in claims 1-9 is used.