CN219005898U

CN219005898U - Turntable preassembling tool

Info

Publication number: CN219005898U
Application number: CN202223359442.4U
Authority: CN
Inventors: 周泰来; 肖卉; 罗欣; 颜宇光
Original assignee: Hunan Zoomlion Intelligent Aerial Work Machinery Co Ltd
Current assignee: Hunan Zoomlion Intelligent Aerial Work Machinery Co Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-12
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to engineering machinery turntable mounting equipment and discloses a turntable preassembling tool. The turntable preassembling tool comprises a working platform and a supporting frame, wherein a working opening for preassembling operation of the turntable is formed in the working platform, the working platform is arranged on the supporting frame, so that one side, facing away from the supporting frame, of the working platform forms a turntable preset area, and one side, facing towards the supporting frame, of the working platform forms a preassembling operation area. The turntable preassembling tool can be used for preassembling the turntable and the slewing mechanism from the bottom of the turntable, so that the working intensity of operators is reduced, the assembly efficiency is improved, and the operation safety is improved.

Description

Turntable preassembling tool

Technical Field

The utility model relates to engineering machinery turntable mounting equipment, in particular to a turntable preassembling tool.

Background

The overhead working truck is one kind of large engineering machine with hydraulic cylinder, chain or steel cable to constitute lifting system for lifting up and down, right and left and right luffing and other operations. Common overhead working trucks include straight arm type, folding type, hybrid type, self-walking type, scissor type, spider type and the like, wherein the vehicle-mounted straight arm type overhead working truck is popular with users and has wider application due to the advantages of wide working range, large working height and the like.

One end of a turntable of the overhead working truck is connected with the slewing mechanism so as to realize left and right luffing of the upper truck; the other end is connected with the arm support, and the levelness of the working device is adjusted by controlling the hydraulic cylinder and the chain to adjust the amplitude of the arm support up and down and stretch out and draw back. When installing revolving stage and rotation mechanism on the overhead working truck, usually need to carry out the pre-installation of revolving stage and rotation mechanism, the pre-installation mode that adopts at present mainly is: after the turntable is turned over by the hanging belt, the turning mechanism is assembled on the turning installation surface of the turntable, and then the turntable is turned over again by the hanging belt, so that the turntable is installed on the overhead working truck.

However, the preassembling process needs to turn the turntable twice by using the lifting appliance, so that the process is complicated, the assembly efficiency is low, the turntable belongs to a large-size and heavy-weight component, and a certain safety risk exists in the turning process.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a turntable preassembling tool, which can be used for preassembling a turntable and a slewing mechanism from the bottom of the turntable, so that the working intensity of operators is reduced, the assembly efficiency is improved, and the operation safety is improved.

In order to solve the technical problems, the utility model provides a turntable preassembling tool, which comprises a working platform and a supporting frame, wherein a working opening for preassembling operation of a turntable is formed in the working platform, and the working platform is arranged on the supporting frame, so that a turntable preset area is formed on one side of the working platform, which is away from the supporting frame, and a preassembling operation area is formed on one side of the working platform, which is towards the supporting frame.

Preferably, the working platform is provided with arc-shaped side edges, and the side edges, which are positioned at two ends of the arc-shaped side edges, on the working platform are connected with the supporting frame.

More preferably, the working platform is formed by splicing a plurality of layers of flat plates, and two adjacent layers of flat plates are welded.

Further preferably, the working platform is provided with a plurality of preassembled holes located at the periphery of the working opening.

As a preferred embodiment, the support frame comprises a plurality of main supports connected with the working platform, auxiliary supports connected with the main supports, and connecting rods, wherein at least one side of each main support is provided with the auxiliary support, and the connecting rods are used for connecting the plurality of main supports into a whole.

Preferably, each main support comprises a first main rod connected with the working platform and at least two second main rods used for supporting the first main rod, and a third main rod is connected between two adjacent second main rods.

More preferably, the two main supports are arranged oppositely, and the connecting rod is connected between the second main rods which are opposite in position in the two main supports.

Specifically, each auxiliary bracket comprises a first auxiliary rod and a second auxiliary rod, one end of the first auxiliary rod is connected with the corresponding main bracket, and the other end of the first auxiliary rod is supported by the second auxiliary rod.

More specifically, the support frame further comprises a fixing plate, wherein the fixing plate is located at one end of the second main rod far away from the first main rod and/or one end of the second auxiliary rod far away from the first auxiliary rod.

Typically, the auxiliary support is provided with a reinforcing structure.

Through the technical scheme, according to the turntable preassembling tool provided by the utility model, one side of the working platform is formed into the preassembling operation area, the other side of the working platform is formed into the turntable presetting area, when the turntable and the slewing mechanism are preassembled, the slewing mechanism is firstly fixed at the working opening, then the turntable is hoisted to the turntable presetting area and is placed on the slewing mechanism, the slewing mechanism and the turntable are fastened and preassembled in the preassembling operation area, the preassembling operation is carried out from the bottom of the turntable, the twice overturning process of the turntable can be canceled, the risk caused by the overturning of the turntable is eliminated, the operation safety is improved, the working intensity of operators can be lightened, the operation is simple, and the assembly efficiency is effectively improved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic structural view of one embodiment of a turret preassembling tool of the present utility model;

fig. 2 is a state diagram of the use of the turret preassembling tool shown in fig. 1.

Description of the reference numerals

1 working opening of working platform 11

12 flat 13 preassembled holes

14 weld groove 2 support frame

21 main support 211 first main rod

212 second boom 213 third boom

22 auxiliary support 221 first auxiliary rod

222 second auxiliary rod 223 reinforcing structure

23 connecting rod 3 fixed plate

4 revolution mechanic 5 revolving stage

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and thus, features defining "first," "second," or the like, may explicitly or implicitly include one or more of such features.

It should be understood that, for convenience in describing the present utility model and simplifying the description, the terms "up, down, top, bottom" refer to the up-down direction of the turntable pre-assembly fixture itself; the terms are based on the orientation or positional relationship shown in the drawings and do not indicate or imply that the device or element in question must have a particular orientation, be constructed and operate in a particular orientation and therefore should not be construed as limiting the utility model; moreover, the azimuth terms of the turntable pre-loading fixture of the utility model should be understood in combination with the actual use state.

The utility model provides a turntable preassembling tool, which is shown in fig. 1, and comprises a working platform 1 and a support frame 2, wherein a working opening 11 for preassembling operation of a turntable 5 is formed in the working platform 1, and the working platform 1 is arranged on the support frame 2, so that a turntable preset area is formed on one side of the working platform 1, which is away from the support frame 2, and a preassembling operation area is formed on one side of the working platform facing the support frame 2.

In the utility model, the turntable preassembling tool can be applied to preassembling the turntable 5 and various components connected with the turntable 5 of engineering machinery (such as an overhead working truck), and specifically can be applied to preassembling the turntable 5 and a slewing mechanism 4 corresponding to the turntable 5; the working opening 11 is provided to enable preassembly operation on the side of the working platform 1 facing away from the turntable 5, including mounting bolts, fastening bolts, etc.; the preset area of the turntable refers to an area where the turntable 5 is placed when preassembled, and the preassembled operation area refers to an area where an operator performs an assembly operation.

In order to better explain the working process of the turntable preassembling tool provided by the utility model, the following detailed description and explanation are made in connection with the application of the turntable preassembling tool to the turntable 5 and the slewing mechanism 4. Specifically, the revolving mechanism 4 is placed or fixed at the working opening 11 on the working platform 1, so that the position of the revolving mechanism 4, where the revolving platform 5 is mounted, is located in the working opening 11, then the revolving platform 5 is lifted to a preset area of the revolving platform and placed on the revolving mechanism 4, the mounting hole sites of the revolving platform 5 and the revolving mechanism 4 are aligned, and the fastening pieces of the revolving platform 5 and the revolving mechanism 4 are mounted in a preassembling operation area, so that preassembling work of the revolving platform 5 and the revolving mechanism 4 can be completed. The installation operation is carried out from the bottom of the turntable 5 in the preassembling process, so that the twice overturning process of the turntable 5 can be canceled, the risk caused by overturning of the turntable 5 is eliminated, the operation safety is improved, the working intensity of operators can be relieved, the operation is simple, and the assembly efficiency is effectively improved.

In the utility model, the shape of the working opening 11 can be set to be a round hole structure similar to the appearance of the slewing mechanism 4, and can also be set to be a more general open hole structure; the revolving mechanism 4 is placed or fixed at the working opening 11, the working opening 11 can be designed to be suitable for being matched with the structure of the revolving mechanism 4 to be clamped with the revolving mechanism 4, and the revolving mechanism 4 can be fixed at the working opening 11 through a fastener, so that the stability of the revolving mechanism 4 is improved, and dislocation in the preassembling process is avoided. In some embodiments of the present utility model, the working platform 1 is provided with a plurality of preassembly holes 13 located at the periphery of the working opening 11, so that the slewing mechanism 4 is fixed on the working platform 1 from the bottom of the working platform 1 through fasteners such as bolts and the like at the preassembly holes 13, thereby improving preassembly accuracy and operation stability of the turntable 5.

The shape of the working platform 1 is not particularly limited in the present utility model, and the surface thereof is in a flat state so as to be more convenient for the operation of the preassembling process. In some embodiments of the present utility model, the working platform 1 is provided with arc-shaped sides, and sides of the working platform 1 at two ends of the arc-shaped sides are connected with the supporting frame 2. The arc-shaped side edge of the working platform 1 can be integrally arc-shaped, or the part of the side edge can be arc-shaped, and the arc-shaped side edge of the working platform 1 is matched with the working opening 11 so as to be matched with the shape of the slewing mechanism 4, so that the interference of the working platform 1 and the motor part of the slewing speed reducer of the slewing mechanism 4 is effectively avoided, and the slewing speed reducer can be placed on the working platform 1 smoothly. On the basis, the side edges of the two ends of the arc-shaped side edge of the working platform 1 are connected with the supporting frame 2, so that the supporting frame 2 and the rotary speed reducer can be further prevented from interfering.

In the utility model, the working platform 1 can be made of metal materials, so that the working platform 1 has higher bearing strength to bear the gravity of the turntable 5 and the slewing mechanism 4. In some embodiments of the present utility model, the working platform 1 is formed by splicing multiple layers of flat plates 12, and two adjacent layers of flat plates 12 are welded. The flat plate 12 can be made of steel plates or other metal plates, and the thickness and/or the number of the flat plate 12 can be adjusted according to the weights of the turntable 5 and the slewing mechanism 4 so as to obtain the working platform 1 meeting the bearing requirement, so that the working platform 1 does not deform in the working process, and the lower part of the working opening 11 does not need to be supported, thereby being convenient to operate. In order to facilitate welding of adjacent flat plates 12, a weld groove 14 may be formed in the flat plates 12, and after the flat plates 12 are welded together to form a whole, the surface is polished to be flat as the working platform 1.

The support frame 2 is generally fixed on the ground in the present utility model so as to be able to prop up the working platform 1 under the working platform 1 to form a preassembly operation area, but it is not excluded to fix the support frame 2 on other fixing devices, and a preassembly operation area is formed between the working platform 1 and the fixing devices. In some embodiments of the present utility model, referring to fig. 1, the support frame 2 includes a plurality of main frames 21 connected to the work platform 1, auxiliary frames 22 connected to the main frames 21, and connection bars 23, and the connection bars 23 connect the plurality of main frames 21 as one body. The working platform 1 is supported by the main support 21, the stability of the whole turntable preassembling tool is maintained, and the turntable preassembling tool is prevented from toppling; the arrangement of the auxiliary support 22 and the connecting rod 23 further enhances the overall stability and the supporting strength of the support frame 2 so as to better meet the bearing requirements of the turntable 5 and the slewing mechanism 4.

Further, each main bracket 21 includes a first main rod 211 connected to the working platform 1 and at least two second main rods 212 for supporting the first main rod 211, and a third main rod 213 is connected between two adjacent second main rods 212. In general, the number of the second main bars 212 is two, and the two second main bars 212 are supported at both ends of the first main bar 211, and are connected by a third main bar 213, so that the main support 21 itself forms a stable supporting structure. The end of the second main rod 212 remote from the first main rod 211 is connected to the ground or other fixed equipment to achieve a supporting effect on the work platform 1.

In the present utility model, the main support 21 may be provided in two or more to enable a smooth supporting action of the work platform 1. Specifically, the two main brackets 21 may be disposed in two opposite directions, and the two main brackets 21 are disposed on two opposite sides of the working platform 1, preferably in parallel, so as to further improve the stability of supporting the working platform 1. The second main rods 212 of the two main brackets 21 are connected into a whole through the connecting rod 23, and preferably, the connecting rod 23 is connected between the second main rods 212 which are opposite in position of the two main brackets 21, so that the structure between the main brackets 21 can be stable, the structure of the support frame 2 is simplified, and the manufacturing cost is saved.

In the utility model, the auxiliary brackets 22 are arranged to strengthen the stability of the main brackets 21 and improve the supporting effect, and at least one side of each main bracket 21 is provided with the auxiliary bracket 22. Specifically, one or two auxiliary brackets 22 may be connected to each second main rod 212 of the main bracket 21.

In some embodiments of the present utility model, each auxiliary bracket 22 includes a first auxiliary lever 221 and a second auxiliary lever 222, one end of the first auxiliary lever 221 is connected to the corresponding main bracket 21, and the other end is supported by the second auxiliary lever 222. The end of the second auxiliary rod 222 remote from the first auxiliary rod 221 is connected to the ground or other fixing device to strengthen the structure of the main support 21 and improve the bearing capacity.

According to the utility model, the height of the working platform 1 can be increased through the support frame 2, the stability of the working platform 1 is improved, and the working strength of operators is reduced. Through the length of design second mobile jib 212, realize the different supporting heights of work platform 1, can be more suitable for the assembly in-process operating personnel to carry out the operation, further reduce working strength, slow down operating personnel's physical demands. The first main lever 211, the second main lever 212, the third main lever 213, the first auxiliary lever 221, the second auxiliary lever 222, and the connecting lever 23 may be rectangular pipes, and different specifications may be selected.

In some embodiments of the present utility model, the auxiliary support 22 is provided with a reinforcing structure 223, so as to enhance the structural strength of the auxiliary support 22, thereby improving the overall bearing capacity of the support frame 2. The reinforcement structure 223 may employ a reinforcing rib, a reinforcing plate, or a reinforcing rod, and for example, a reinforcing plate may be installed at the connection of the second auxiliary rod 222, the main bracket 21, and the first auxiliary rod 221.

In the present utility model, the second main rod 212 and the second auxiliary rod 222 may be connected to the ground or the fixing device by providing fixing members on their structures, and in some embodiments of the present utility model, the support frame 2 further includes a fixing plate 3, where the fixing plate 3 is located at an end of the second main rod 212 away from the first main rod 211 and/or at an end of the second auxiliary rod 222 away from the first auxiliary rod 221. The second main rod 212 and/or the second auxiliary rod 222 are/is installed on the ground or a fixing device through the fixing plate 3, and the fixing plate 3 can be connected with the ground through fixing pieces such as foundation bolts, so that the turntable preassembling tool is ensured not to move in the assembling process. The fixing plate 3 may be a steel plate or other metal plate with bolt mounting holes.

As a relatively preferred embodiment of the transfer table preassembling tool of the present utility model, referring to fig. 1, the tool comprises a working platform 1 and a support frame 2, wherein the working platform 1 is provided with a working opening 11 for preassembling operation of a turntable 5 and four preassembling holes 13 positioned at the periphery of the working opening 11, and the working platform 1 is mounted on the support frame 2, so that one side of the working platform 1 facing away from the support frame 2 forms a turntable preset area, and one side facing towards the support frame 2 forms a preassembling operation area; the working platform 1 is formed by welding and splicing two layers of flat plates 12, the flat plates 12 are made of steel plates (one flat plate 12 is provided with a welding groove 14 for welding with the other flat plate 12), and the working platform 1 is provided with arc-shaped side edges; the support frame 2 comprises two main supports 21 and six auxiliary supports 22, the two main supports 21 are connected with the side edges of the work platform 1, which are positioned at two ends of the arc-shaped side edges, so that the two main supports 21 are oppositely arranged, each main support 21 comprises a first main rod 211 connected with the work platform 1 and two second main rods 212 used for supporting the first main rod 211, a third main rod 213 is connected between the two second main rods 212, a connecting rod 23 is connected between the second main rods 212 opposite to the first main rod 212 in the two main supports 21, one auxiliary support 22 (parallel to the corresponding main support 21) is respectively arranged on the two second main rods 212 of one main support 21, two auxiliary supports 22 (with the directions being perpendicular to each other) are respectively arranged on the two second main rods 212 of the other main support 21, each auxiliary support 22 comprises a first auxiliary rod 221 and a second auxiliary rod 222, one end of the first auxiliary rod 221 is connected with the corresponding main support 21, the other end of the second auxiliary rod 222 is supported by the second auxiliary rod 222, a reinforcing plate is arranged at the joint of the main support 21 and the first auxiliary rod 221, one end of the second main rod 212, which is far from the first main rod 211 and the other end of the first main rod 221 is far from the first auxiliary rod 211 is provided with a fixing plate 3.

In the turntable preassembling tool, the first main rod 211, the second main rod 212, the third main rod 213, the first auxiliary rod 221, the second auxiliary rod 222 and the connecting rod 23 all adopt rectangular pipes, namely, 22 rectangular pipes with different specifications and 12 reinforcing plates can be assembled to form the support frame 2.

The process of the turntable preassembling tool applied to preassembling the turntable 5 and the slewing mechanism 4 is as follows: referring to fig. 2, anchor bolts are installed in installation holes on a fixing plate 3 to connect the fixing plate 3 with the ground, so that a turntable preassembling tool is fixed on the ground, a slewing mechanism 4 is firstly placed at a working opening 11 on a working platform 1, so that the part of the slewing mechanism 4, which is installed with a turntable 5, is positioned in the working opening 11, and four bolts penetrate through preassembling holes 13 from the bottom of the working platform 1 upwards to be connected with bolt holes of an outer ring of the slewing mechanism 4, so that the slewing mechanism 4 is fixed on the working platform 1; and then lifting the turntable 5 to a preset area of the turntable and placing the turntable on the slewing mechanism 4, aligning the installation hole positions of the turntable 5 and the slewing mechanism 4, fastening the connecting bolts of the turntable 5 and the slewing mechanism 4 below the working platform 1, and then completing the preassembling work of the turntable 5 and the slewing mechanism 4, loosening the connecting bolts in the preassembling hole 13, and carrying out the next installation procedure on the turntable 5 and the slewing mechanism 4.

As can be seen from the above description, according to the turntable preassembling tool provided by the utility model, through the cooperation between the working platform 1 and the supporting frame 2, one side of the working platform 1 is formed into the preassembling operation area, the other side is formed into the turntable preset area, when the turntable 5 and the turntable 4 are assembled, the turntable 4 is firstly fixed at the working opening 11, then the turntable 5 is lifted to the turntable preset area and is placed on the turntable 4, the fastening preassembling operation of the turntable 4 and the turntable 5 is carried out in the preassembling operation area, the preassembling operation is carried out from the bottom of the turntable 5, the twice overturning process of the turntable 5 can be canceled, the risk brought by the overturning of the turntable 5 is eliminated, the operation safety is improved, the working strength of operators can be lightened, the operation is simple, and the assembly efficiency is effectively improved.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. The utility model provides a revolving stage pre-installation frock, its characterized in that, includes work platform (1) and support frame (2), be provided with on work platform (1) and be used for working opening (11) of the pre-installation operation of revolving stage (5), work platform (1) are installed on support frame (2), so that work platform (1) is dorsad one side of support frame (2) forms the revolving stage preset area, orientation one side of support frame (2) forms the pre-installation operation area.

2. The preassembling tool for the turntable according to claim 1, wherein the working platform (1) is provided with arc-shaped side edges, and the side edges, which are positioned at two ends of the arc-shaped side edges, of the working platform (1) are connected with the supporting frame (2).

3. The turntable preassembly tool according to claim 1, wherein the working platform (1) is formed by splicing a plurality of layers of flat plates (12), and two adjacent layers of flat plates (12) are welded.

4. A turret preassembly tool according to any one of claims 1 to 3, characterized in that the working platform (1) is provided with a plurality of preassembly holes (13) located at the periphery of the working opening (11).

5. A turret preassembly tool according to any one of claims 1 to 3, characterized in that the support frame (2) comprises a plurality of main supports (21) connected with the work platform (1), auxiliary supports (22) connected with the main supports (21), and connecting rods (23), at least one side of each main support (21) is provided with the auxiliary support (22), and the connecting rods (23) connect a plurality of the main supports (21) as a whole.

6. The turret preassembling fixture according to claim 5, wherein each main support (21) comprises a first main rod (211) connected with the working platform (1) and at least two second main rods (212) for supporting the first main rod (211), and a third main rod (213) is connected between two adjacent second main rods (212).

7. Turret preassembly fixture according to claim 6, characterized in that the number of main supports (21) is two and opposite, the connecting rod (23) being connected between the second main rods (212) opposite in position of the two main supports (21).

8. Turret preassembly fixture according to claim 6, characterized in that each auxiliary support (22) comprises a first auxiliary rod (221) and a second auxiliary rod (222), one end of the first auxiliary rod (221) being connected to the corresponding main support (21) and the other end being supported by the second auxiliary rod (222).

9. Turntable pre-assembly fixture according to claim 8, characterized in that the support frame (2) further comprises a fixing plate (3), the fixing plate (3) being located at the end of the second main rod (212) remote from the first main rod (211) and/or at the end of the second auxiliary rod (222) remote from the first auxiliary rod (221).

10. Turret preassembly tool according to claim 5, characterized in that the auxiliary support (22) is provided with a reinforcing structure (223).