CN211825018U

CN211825018U - Floating test platform

Info

Publication number: CN211825018U
Application number: CN202020753499.4U
Authority: CN
Inventors: 侯广猛; 龚滏生; 亢宇琪; 殷浩东
Original assignee: Xuzhou XCMG Drivetrain Co Ltd
Current assignee: Xuzhou XCMG Drivetrain Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-10-30
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a floating test platform, which comprises a concrete base layer, a concrete platform, a cast iron platform and a damping part; the concrete base layer is arranged on the foundation, the cast iron platform is arranged on the concrete platform, and the damping part is arranged between the concrete base layer and the concrete platform; wherein the shock absorption part comprises a plurality of shock absorbers and shock isolators, and the shock absorbers and the shock isolators jointly absorb the impact load and abnormal resonance from the test bed equipment. The floating test platform effectively relieves the alternating impact load from the test equipment in the test process, solves the problems of abnormal resonance, noise and the like in the test process, and is simple in construction process and low in cost.

Description

Floating test platform

Technical Field

The utility model relates to a floating test platform, concretely relates to transmission system tests basic platform with impact load.

Background

At present, most of test foundation platforms of a transmission system are directly established on a foundation, and because alternating load exists in the test process of the transmission system, the phenomena of impact, resonance and the like are obvious in the use process of a test bed, the working environment is seriously damaged, the precision of the test bed is damaged in the serious situation, and the service life of the test bed is shortened. The traditional test platform construction method is to fill sand and stone mixture between a concrete base layer and a foundation to realize the shock absorption effect, but the shock absorption effect of the method is poor, and in addition, due to unstable fillers, the precision of a test bed can be reduced under the conditions of long-time foundation settlement and the like.

Disclosure of Invention

The utility model aims at providing a floating test platform, this experimental foundation platform has realized the whole suspension of test bench when not changing overall structure, and the work progress is simple relatively, and the cost is lower.

The utility model discloses realize according to following technical scheme:

a floating type test platform comprises a concrete base layer, a concrete platform, a cast iron platform and a damping component; the concrete base layer is arranged on the foundation, the cast iron platform is arranged on the concrete platform, and the damping part is arranged between the concrete base layer and the concrete platform; wherein the shock absorption part comprises a plurality of shock absorbers and shock isolators, and the shock absorbers and the shock isolators jointly absorb the impact load and abnormal resonance from the test bed equipment.

Furthermore, the shock absorber and the shock isolator are both spring shock absorption mechanisms, the center of the shock isolator is also provided with a connecting mechanism, and the concrete platform is fixed in the horizontal direction through the connecting mechanism.

Further, the connecting mechanism is a disc type rigid body which is fixedly connected with the concrete base layer and the concrete platform through welding or bolts.

Furthermore, the cast iron platform is fixedly connected with the concrete platform through a plurality of mounting screws to form a rigid body.

Furthermore, the installation screw rod adopts the bolt that has the crotch, and the crotch position of installation bolt buries in the concrete, realizes fixing with the concrete platform, and the threaded rod position of installation bolt penetrates in the bolt hole of cast iron platform, realizes fixing with the cast iron platform through the nut fastening.

Furthermore, a plurality of adjusting bolts are arranged on the cast iron platform, and the flatness of the cast iron platform is adjusted after the adjusting bolts are screwed out of the cast iron platform by a preset length.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:

floating test platform is through dividing into concrete platform and concrete basic unit with the concrete construction layer to increase isolator and bumper shock absorber between the two, experimental cast iron platform passes through the screw rod and forms an organic whole with concrete platform rigid connection in addition, has increaseed the quality and the inertia on test bench erection equipment layer.

The floating test platform effectively relieves the alternating impact load from the test equipment in the test process, solves the problems of abnormal resonance, noise and the like in the test process, and is simple in construction process and low in cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, 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 without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

FIG. 1 is a sectional view of a suspension test stand;

FIG. 2 is a view showing the construction of the vibration isolator (a is a front view, and b is a sectional view);

in fig. 1: 1 cast iron platform, 2 installation screw rods, 3 concrete platform, 4 shock insulators, 5 shock absorbers, 6 concrete base layers and 7 adjusting bolts.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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, 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; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1, the floating type test platform comprises a concrete base layer 6, a concrete platform 3, a cast iron platform 1 and a damping part; the concrete base layer 6 is arranged on a foundation, the cast iron platform 1 is arranged on the concrete platform 3, and the damping part is arranged between the concrete base layer 6 and the concrete platform 3; wherein the shock absorbing member includes a plurality of shock absorbers 5 and vibration isolators 4, and the shock load and abnormal resonance from the test stand equipment are absorbed by the vibration isolators 4 and the shock absorbers 5 together.

Specifically, the method comprises the following steps: the shock absorber 5 and the shock isolator 4 are both spring shock absorption mechanisms, the center of the shock isolator 4 is also provided with a connecting mechanism, and the concrete platform is fixed in the horizontal direction through the connecting mechanism.

As shown in fig. 2, the connection mechanism is a disc-type rigid body, which is fixedly connected with the concrete base layer and the concrete platform by welding or bolts.

With continued reference to fig. 1, the cast iron platform 1 is fixedly connected with the concrete platform 3 through a plurality of mounting screws 2 to form a rigid body.

Specifically, the method comprises the following steps: the installation screw 2 adopts the bolt that has the crotch, and the crotch position of installation bolt 2 buries in the concrete, realizes fixed with concrete platform 3, and the threaded rod position of installation bolt 2 penetrates in the bolt hole of cast iron platform 1, realizes fixed with cast iron platform 1 through the nut fastening.

Further scheme: a plurality of adjusting bolts 7 are arranged on the cast iron platform 1, and the flatness of the cast iron platform 1 is adjusted after the adjusting bolts 7 are screwed out of the cast iron platform 1 by a preset length.

The construction process of the suspension type test platform comprises the following steps:

firstly, building a concrete base 6 which is directly built on a foundation meeting the requirements; after the concrete base layer 6 is dried, laying concrete isolation layers such as plastic cloth and the like on the concrete base layer, then pouring a concrete platform 3 on the concrete isolation layers and reserving a plurality of jacking grooves;

secondly, after the concrete layer is completely reinforced, jacking the concrete platform 3 on the jacking groove through a jack to reach a preset height, and placing and installing a shock isolator 4 and a shock absorber 5 between the concrete platform 3 and a concrete base layer 6;

and thirdly, mounting the cast iron platform 1 on the concrete platform 3 through the mounting screw 2, and leveling through the adjusting bolt 7 to reach the design flatness.

To sum up, owing to adopt above-mentioned scheme, the utility model discloses a shock isolator 4 and bumper shock absorber 5 have realized the isolation of test bench concrete platform 3 and concrete basic unit 6, shock isolator 4 and bumper shock absorber 5 have absorbed the impact load and the unusual resonance that come to the test bench equipment jointly to realized the whole suspension of test bench when not changing overall structure, the work progress is simple relatively, and the cost is lower.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.

Claims

1. A floating test platform which is characterized in that:

the concrete base layer, the concrete platform, the cast iron platform and the damping component are included;

the concrete base layer is arranged on the foundation, the cast iron platform is arranged on the concrete platform, and the damping part is arranged between the concrete base layer and the concrete platform;

wherein the shock absorption part comprises a plurality of shock absorbers and shock isolators, and the shock absorbers and the shock isolators jointly absorb the impact load and abnormal resonance from the test bed equipment.

2. A floating testing platform as claimed in claim 1, wherein:

the shock absorber and the shock isolator are both spring shock absorption mechanisms, the center of the shock isolator is also provided with a connecting mechanism, and the concrete platform is fixed in the horizontal direction through the connecting mechanism.

3. A floating testing platform as claimed in claim 2, characterized in that:

the connecting mechanism is a disc type rigid body and is fixedly connected with the concrete base layer and the concrete platform through welding or bolts.

4. A floating testing platform as claimed in claim 1, wherein:

the cast iron platform is fixedly connected with the concrete platform through a plurality of mounting screws to form a rigid body.

5. A floating testing platform as claimed in claim 4, characterized in that:

the mounting screw rod adopts the bolt that has the crotch, and the crotch position of mounting bolt buries in the concrete, realizes fixed with the concrete platform, and the threaded rod position of mounting bolt penetrates in the bolt hole of cast iron platform, realizes fixed with the cast iron platform through the nut fastening.

6. A floating testing platform as claimed in claim 1, wherein:

and a plurality of adjusting bolts are arranged on the cast iron platform, and the flatness of the cast iron platform is adjusted after the adjusting bolts are screwed out of the cast iron platform by a preset length.