CN215004160U

CN215004160U - Spring testing machine with friction force eliminating device

Info

Publication number: CN215004160U
Application number: CN202121427466.1U
Authority: CN
Inventors: 林琪超; 刘伟; 于金波; 魏固续; 金超群
Original assignee: Shandong Pilot Elastic Testing Machine Co ltd; Shandong Institute of Metrology
Current assignee: Shandong Pilot Elastic Testing Machine Co ltd; Shandong Institute of Metrology
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a spring test machine with eliminate frictional force device, comprises a workbench, the symmetry is provided with two host computer stands on the workstation, be provided with the dabber of vertical direction between the host computer stand, there is lower sensor dabber bottom through threaded connection, lower sensor is installed on the workstation, the sensor outside is provided with down the platen support down, platen support fixed mounting is on the workstation down, platen support up end is installed down the pressure disk, the platen top is provided with the pressure disk down, go up pressure disk up end threaded connection and go up the sensor, it installs elevating beam to go up the sensor up end. Through adopting above technical scheme, simple structure, the installation of being convenient for adopts the dabber location when carrying out spring pressure test, and the frictional force that this device will produce can be measured through sensor down, finally can obtain the actual pressure of drawing of spring, has improved measuring accuracy.

Description

Spring testing machine with friction force eliminating device

Technical Field

The utility model relates to a spring test machine technical field specifically is a spring test machine with eliminate frictional force device.

Background

When the pressure of the spring of the automatic tail gate of the automobile is tested, the mandrel is required to be used for positioning, if the spring is not used for positioning and measuring the pressure of the spring, the spring can be biased, friction is doped in the mandrel during testing, the tested pressure is not the truest pressure of the spring, the tested force value comprises the mandrel friction when the existing JBT7796-2017 spring tension and compression testing machine is used, the true tension and compression testing machine of the sensor is not considered, and certain errors exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring test machine with eliminate frictional force device to solve the problem that proposes among the above-mentioned background art.

For the purpose of realizing the above, the utility model discloses a spring test machine with eliminate frictional force device, comprises a workbench, the symmetry is provided with two host computer stands on the workstation, be provided with the dabber of vertical direction between the host computer stand, there is sensor down the dabber bottom through threaded connection, the sensor is installed on the workstation down, the sensor outside is provided with down the platen support down, platen support fixed mounting is on the workstation down, platen support up end is installed down and is pressed the dish down, the platen top is provided with the pressure disk down, it has last sensor to go up platen up end threaded connection, go up the sensor up end and install lifting beam.

As a further aspect of the present invention: the dabber runs through holding down plate support, lower pressure disk, goes up sensor, lifting beam setting from bottom to top in proper order.

As a further aspect of the present invention: the dabber sets up with lower pressure disk support, pressure disk down, last pressure disk, go up sensor, lifting beam all contactless. Avoiding the generation of other unnecessary friction.

As a further aspect of the present invention: the upper end face of the upper pressure plate is provided with a threaded column, and the threaded column is connected with the upper sensor through threads.

As a further aspect of the present invention: the top end of the host stand column is fixedly connected with a host upper cross beam.

The utility model has the advantages that: through adopting above technical scheme, simple structure, the installation of being convenient for adopts the dabber location when carrying out spring pressure test, and the frictional force that this device will produce can be measured through sensor down, finally can obtain the actual pressure of drawing of spring, has improved measuring accuracy.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a partial enlarged view of fig. 1-a.

In the figure: 1-workbench, 2-main engine upright column, 3-mandrel, 4-lower sensor, 5-lower pressure plate bracket, 6-lower pressure plate, 7-upper pressure plate, 8-upper sensor, 9-lifting beam, 10-threaded column, 11-main engine upper beam.

Detailed Description

The drawings are for illustrative purposes only, and some components of the drawings may be omitted, enlarged or reduced in order to better explain the present embodiment, and do not represent the size of an actual product.

Referring to attached

drawings

1 and 2, a spring testing machine with a friction force eliminating device comprises a workbench 1, wherein two host stand columns 2 are symmetrically arranged on the workbench 1, a host upper cross beam 11 is fixedly connected to the top ends of the host stand columns 2, the stability of the device is enhanced, a vertical upper mandrel 3 and a vertical lower mandrel 3 are arranged between the host stand columns 2, the bottom end of the mandrel 3 is connected with a lower sensor 4 through threads, the lower sensor 4 is arranged on the workbench 1, a lower pressure plate support 5 is arranged on the outer side of the lower sensor 4, the lower sensor 4 and the lower pressure plate support 5 are both arranged on the workbench 4, a certain gap is formed between the lower sensor 4 and the lower pressure plate support 5, the lower sensor 4 is only contacted with the mandrel 3, only the friction force between the mandrel 3 and the spring is measured in the working process, a lower pressure plate 6 is arranged on the upper end face of the lower pressure plate support 5, an upper pressure plate 7 is arranged above the lower pressure plate 6, go up pressure disk 7 up the up end and be provided with screw thread post 10, as shown in fig. 3, screw thread post 10 and last sensor 8 threaded connection, go up sensor 8 up end and install lifting beam 9, lifting beam 9 and host computer stand 2 sliding connection. The mandrel 3 sequentially penetrates through the lower pressure plate support 5, the lower pressure plate 6, the upper pressure plate 7, the upper sensor 8 and the lifting cross beam 9 from bottom to top, and is not in contact with the components, so that unnecessary friction is avoided.

The working principle is as follows: the friction-eliminating device of the testing machine is assembled according to an assembly drawing, the lifting beam 9 moves upwards to the upper pressure plate 7 to leave the top end of the mandrel 3, then a spring sample is fixed on the mandrel 3, then the lifting beam 9 is moved, the spring is fixed between the upper pressure plate 7 and the lower pressure plate 6, then the lifting beam 9 moves downwards, the spring is compressed, the upper pressure plate 7 can generate pressure at the upper sensor 8, the spring can generate deviation in the compression process, the friction force is generated with the mandrel 3, the friction force generated by the mandrel 3 can be transmitted to the lower sensor 4, and at the moment, the final pressure value of the automobile tail door spring is obtained by subtracting the friction force generated by the upper sensor 8 from the friction force generated by the lower sensor 4.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art may make numerous changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be subject to the claims of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Claims

1. A spring testing machine with a friction force eliminating device comprises a workbench (1) and is characterized in that two host stand columns (2) are symmetrically arranged on the workbench (1), a spindle (3) in the vertical direction is arranged between the host stand columns (2), the bottom end of the spindle (3) is connected with a lower sensor (4) through threads, the lower sensor (4) is installed on the workbench (1), a lower pressure plate support (5) is arranged on the outer side of the lower sensor (4), the lower pressure plate support (5) is fixedly installed on the workbench (1), a lower pressure plate (6) is installed on the upper end face of the lower pressure plate support (5), an upper pressure plate (7) is arranged above the lower pressure plate (6), the upper end face of the upper pressure plate (7) is in threaded connection with an upper sensor (8), and the upper end face of the upper sensor (8) is fixedly connected with a lifting cross beam (9), the lifting cross beam (9) is connected with the host upright post (2) in a sliding manner.

2. The spring testing machine with the friction force eliminating device is characterized in that the mandrel (3) sequentially penetrates through a lower platen bracket (5), a lower platen (6), an upper platen (7), an upper sensor (8) and a lifting cross beam (9) from bottom to top.

3. The spring testing machine with the friction force eliminating device is characterized in that the mandrel (3) is arranged in a manner of being not in contact with the lower pressing disc support (5), the lower pressing disc (6), the upper pressing disc (7), the upper sensor (8) and the lifting beam (9).

4. The spring testing machine with the friction force eliminating device is characterized in that a threaded column (10) is arranged on the upper end face of the upper pressure plate (7), and the threaded column (10) is in threaded connection with the upper sensor (8).

5. The spring testing machine with the friction force eliminating device is characterized in that a main machine upper cross beam (11) is fixedly connected to the top end of the main machine upright post (2).