CN112758861B

CN112758861B - Mounting method of rotary table covering part and engineering machinery applying same

Info

Publication number: CN112758861B
Application number: CN202110014782.4A
Authority: CN
Inventors: 李希平; 刘国良
Original assignee: Hunan Sinoboom Intelligent Equipment Co Ltd
Current assignee: Hunan Sinoboom Intelligent Equipment Co Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2022-04-22
Anticipated expiration: 2041-01-06
Also published as: CN112758861A

Abstract

The invention discloses a method for installing a rotary table covering part and engineering machinery applying the same, wherein the method for installing the rotary table covering part comprises the following steps: arranging a positioning piece to form a mounting positioning surface for accurately mounting the rotary table covering piece; abutting a covering part tool matched with the outline dimension of the rotary table covering part against the positioning part, so that the surface of the covering part tool is flush with the installation positioning surface; aligning the hinge device with the mounting part on the covering part tool and then fixing the hinge device on the side plate of the rotary table; and disassembling the covering part tool, and fixing the mounting part on the rotary table covering part and the hinge device. According to the invention, the installation position of the hinge device can be accurately positioned by setting the installation positioning surface and manufacturing and using the covering part tool, and then the rotary table covering part is installed on the hinge device, so that the installation speed and the installation precision of the rotary table covering part can be improved, and the effect is more obvious when the rotary table covering parts with the same specification are installed in a large batch.

Description

Mounting method of rotary table covering part and engineering machinery applying same

Technical Field

The invention relates to the field of engineering machinery, in particular to a mounting method of a rotary table covering part and engineering machinery applying the same.

Background

With the rapid development of economic construction in China, the demand of the market for aerial work platforms is increasing day by day. With the development of large-scale engineering machinery, the structure of the aerial work platform is more and more complex. Many aerial work platforms have a turntable on which power, hydraulic, electrical etc. devices are mounted, and as shown in figure 8, the turntable tray together with the turntable cover 200 form a sealed space which is primarily used to protect these devices from impacts, rain and injury due to contact with the operator's limbs. To facilitate installation and maintenance of these devices, the turntable cover 200 must be freely openable and closable. As shown in fig. 9, the turntable cover 200 is fixed to the turntable side plate 500 by a hinge connection, and is freely opened and closed by the expansion and contraction of the gas spring in use.

However, there are some difficulties in installing the turntable cover 200, which are shown in the following:

1. the hinge can be installed only when the rotary table covering part 200 is in an opened state, and at the moment, the rotary table covering part 200 has no installation positioning point, so that whether the hinge is installed correctly cannot be determined;

2. when the turntable cover 200 is in the closed state, it is necessary to confirm whether the turntable cover 200 is correctly installed by observing whether the top surface of the turntable cover 200 is horizontal or not and whether the rib lines of the turntable cover 200 are aligned with the rib lines of the counterweight 600, and since the hinge is installed in the sealed space, the position of the hinge cannot be adjusted, so that the installation position of the turntable cover 200 cannot be corrected well.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the installation method of the rotary table covering part and the engineering machinery applying the same, which can realize the accurate installation of the rotary table covering part.

The mounting method of the rotary table covering part comprises the following steps:

step S100: arranging a positioning piece to form a mounting positioning surface for accurately mounting the rotary table covering piece;

step S200: abutting a covering part tool matched with the outline dimension of the rotary table covering part against the positioning part, so that the surface of the covering part tool is flush with the installation positioning surface;

step S300: aligning the hinge device with the mounting part on the covering part tool and then fixing the hinge device on the side plate of the rotary table;

step S400: and disassembling the covering part tool, and fixing the mounting part on the rotary table covering part and the hinge device.

The method for mounting the turntable covering part according to the embodiment of the invention has at least the following advantages: through setting for the installation locating surface and making and using the covering part tool, the installation position of the hinge device can be accurately located, and then the rotary table covering part is installed on the hinge device, so that the installation speed and the installation precision of the rotary table covering part can be improved, and the effect is more obvious for the installation of large batches of rotary table covering parts with the same specification.

According to some embodiments of the present invention, the positioning member includes a first positioning plate and a second positioning plate, and step S100 includes mounting the first positioning plate on the turntable side plate as a positioning fulcrum for mounting the turntable cover, and mounting the second positioning plate on the counterweight as a positioning line for mounting the turntable cover, the positioning fulcrum and the positioning line forming the mounting positioning surface.

According to some embodiments of the invention, the first positioning plate is an inverted L-shaped structure, and a horizontal portion thereof is positioned higher than the turntable side plate.

According to some embodiments of the present invention, the second positioning plate is installed on the counterweight in a fine-tuning manner, and the step S200 includes aligning the covering part fixture with the rib of the counterweight, and then fine-tuning the position of the second positioning plate so that the surface of the covering part fixture is flush with the installation positioning surface.

According to some embodiments of the invention, a foamed sealing rubber strip is provided on the second positioning plate near the top surface of the turntable cover.

According to some embodiments of the present invention, the hinge device is a hinge, and one end of the hinge is fixed to the turntable side plate by a first mounting screw in step S300.

According to some embodiments of the invention, step S400 includes pre-assembling second mounting screws on the mounting portion of the turntable cover, then lifting the turntable cover to the hinge, and finally tightening all of the second mounting screws to fixedly connect the turntable cover to the other end of the hinge.

According to some embodiments of the invention, the cover fixture is made of bent steel bars.

Based on the same inventive concept, the invention also provides engineering machinery applying the installation method of the turntable covering part in the embodiment.

According to some embodiments of the invention, the work machine comprises an aerial work platform.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a flow chart of an installation method of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a positioning element according to an embodiment of the present invention;

FIG. 3 is a schematic front view of a cover fixture according to an embodiment of the present invention;

FIG. 4 is a schematic side view of a cover tooling of an embodiment of the present invention;

FIG. 5 is an enlarged view of the connection relationship between the covering part tooling and the hinge device according to the embodiment of the invention;

fig. 6 is a schematic view of a hoisting state of the turntable cover with a second mounting screw according to the embodiment of the invention;

FIG. 7 is a schematic view of a turntable cover according to an embodiment of the present invention in an installed state;

fig. 8 is a schematic view showing a state where a turntable cover of the related art is mounted;

fig. 9 is a schematic view showing an installation state of a hinge of the related art.

Reference numerals:

a positioning member 100, a first positioning plate 110, a second positioning plate 120;

the rotary table cover part comprises a rotary table cover part 200, a cover part tool 300, a hinge device 400 and a rotary table side plate 500;

balance weight 600, foaming joint strip 700, second mounting screw 800.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise explicitly defined, terms such as arrangement, installation, connection and the like should be broadly construed, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the detailed contents of the technical solutions.

Referring to fig. 1, it is a flowchart of a method for mounting a turntable cover according to an embodiment of the present invention, including the following steps:

step S100: the positioning member 100 is provided to form a mounting positioning surface for accurately mounting the turntable cover 200;

step S200: abutting the covering part tooling 300 matched with the outer dimension of the rotary table covering part 200 against the positioning piece 100, so that the surface of the covering part tooling 300 is flush with the installation positioning surface;

step S300: aligning the hinge device 400 with the mounting part of the cover tool 300 and fixing the same to the turntable side plate 500;

step S400: the cover tool 300 is removed, and the mounting portion of the turntable cover 200 is fixed to the hinge device 400.

In some embodiments of the present invention, as shown in fig. 2, the positioning member 100 includes a first positioning plate 110 and a second positioning plate 120, and the step S100 specifically includes mounting the first positioning plate 110 on the turntable side plate 500 as a positioning fulcrum for mounting the turntable cover 200, and mounting the second positioning plate 120 on the counterweight 600 as a positioning line for mounting the turntable cover 200. The positioning fulcrum and the positioning line form a mounting and positioning surface for mounting and positioning the turntable covering member 200.

In some embodiments of the present invention, as shown in fig. 2 and 5, the first positioning plate 110 has an inverted L-shaped structure, a horizontal portion of which is higher than the turntable side plate 500, and a vertical portion of which can be fixed to the turntable side plate 500 by screws, welding, or other fixing means.

In some embodiments of the present invention, to eliminate the influence of the assembly error of the turntable structural member, the second positioning plate 120 is installed on the counterweight 600 in a fine-tuning manner, and the step S200 specifically includes aligning the reinforcement lines of the cover fixture 300 and the counterweight 600, and then fine-tuning the position of the second positioning plate 120 so that the surface of the cover fixture 300 is flush with the installation positioning surface.

In some embodiments of the present invention, as shown in fig. 2, 4 and 5, the second positioning plate 120 is provided with a foamed sealing rubber strip 700 at a position close to the top surface of the turntable cover 200, and the foamed sealing rubber strip 700 has a sealing and buffering function on the turntable cover 200. Meanwhile, the cover part tooling 300 can be used for adjusting the position of the foaming sealing rubber strip 700, so that the sealing effect inside the rotary table cover part 200 is better.

In some embodiments of the present invention, as shown in fig. 5, the hinge device 400 is a hinge, and one end of the hinge is fixed to the turntable side plate 500 by a first mounting screw (not shown in the drawings) in step S300.

In some embodiments of the present invention, step S400 specifically includes: as shown in fig. 6, the second mounting screw 800 is pre-installed on the mounting portion of the turntable covering member 200, and it is only necessary to ensure that the second mounting screw 800 does not fall off during the lifting process of the turntable covering member 200; then, hoisting the rotary table covering part 200 to the hinge, and aligning the mounting part of the rotary table covering part 200 to the other end of the hinge; finally, all the second mounting screws 800 are tightened to secure the turret cover 200 to the end of the hinge, the final mounted state being referred to in fig. 7.

In some embodiments of the present invention, as shown in fig. 3 to 5, the cover fixture 300 is made of bent steel bars, which match the external dimensions of the turntable cover 200, and the side edges of the turntable cover 200 are aligned with the plane of the counterweight 600 for easy positioning. By adopting the flanging part structure, the rigidity of the covering part tool 300 is increased, the weight of the covering part tool is reduced, and the use of an assembly worker is facilitated.

The invention also provides an engineering machine which applies the installation method of the rotary table covering part in the embodiment to accurately install the rotary table covering part on the rotary table.

Further, the engineering machinery comprises an aerial work platform, a crane or other engineering machinery with similar structures, and the rotary table covering part needs to be accurately installed on the rotary table.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 do not necessarily 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.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A method of installing a turntable cover, comprising the steps of:

s100, arranging a positioning piece (100) to form a mounting positioning surface for accurately mounting the rotary table covering piece (200);

s200, abutting a covering part tool (300) matched with the outline dimension of the rotary table covering part (200) against the positioning piece (100) to enable the surface of the covering part tool (300) to be flush with the installation positioning surface;

s300, aligning a hinge device (400) with a mounting part on the covering part tool (300) and then fixing the hinge device on a turntable side plate (500);

s400, detaching the covering part tool (300), and fixing a mounting part on the rotary table covering part (200) and the hinge device (400);

the positioning piece (100) comprises a first positioning plate (110) and a second positioning plate (120), step S100 comprises installing the first positioning plate (110) on the turntable side plate (500) to serve as a positioning fulcrum for installing the turntable covering piece (200), and installing the second positioning plate (120) on the counterweight (600) to serve as a positioning line for installing the turntable covering piece (200), wherein the positioning fulcrum and the positioning line form an installation positioning surface.

2. The method of installing a turntable cover as claimed in claim 1, wherein the first positioning plate (110) is of an inverted L-shaped configuration with a horizontal portion thereof located higher than the turntable side plate (500).

3. The method of claim 1, wherein the second positioning plate (120) is finely adjustable to the counterweight (600), and step S200 comprises aligning the cover fixture (300) with the counterweight (600) and then finely adjusting the position of the second positioning plate (120) so that the surface of the cover fixture (300) is flush with the mounting surface.

4. A method of mounting a turntable cover as claimed in claim 1, wherein a bead of foamed sealant (700) is provided on the second location plate (120) adjacent the top surface of the turntable cover (200).

5. Method for mounting a turret cover according to claim 1, characterised in that the hinging means (400) are hinge hinges, one end of which is fixed to the turret side plate (500) by means of a first mounting screw in step S300.

6. The method of claim 5, wherein step S400 comprises pre-installing a second mounting screw (800) on the mounting portion of the turntable cover (200), hoisting the turntable cover (200) to the hinge, and tightening all of the second mounting screws (800) to fixedly connect the turntable cover (200) to the other end of the hinge.

7. The method of any of claims 1 to 6, wherein the cover fixture (300) is made of bent steel bars.

8. A working machine, characterized in that a method of mounting a turntable cover according to any one of claims 1 to 7 is applied.

9. A working machine according to claim 8, comprising an aerial work platform.