CN222671397U

CN222671397U - Tray testing machine

Info

Publication number: CN222671397U
Application number: CN202421486138.2U
Authority: CN
Inventors: 曹志强; 徐家惠; 谢毅
Original assignee: Nantong Changrun Automation Equipment Co ltd
Current assignee: Nantong Changrun Automation Equipment Co ltd
Priority date: 2024-06-26
Filing date: 2024-06-26
Publication date: 2025-03-25
Anticipated expiration: 2034-06-26

Abstract

A pallet testing machine, the field of pallet testing technology. It includes an oil hydraulic press, an electric control cabinet, a pallet seat, a weighing sensor and a pressure plate. The oil hydraulic press includes a base, a connecting seat and a hydraulic mechanism. The hydraulic mechanism includes a hydraulic cylinder and a hydraulic column. A workbench is formed on the base. The connecting seat is arranged on the workbench. The electric control cabinet is fixed on the connecting seat. The pallet seat is arranged on the workbench and is located below the connecting seat for supporting the pallet. The hydraulic cylinder is fixed on the connecting seat. The hydraulic column is located at the lower part of the hydraulic cylinder and extends toward the direction of the pallet seat. The pressure plate is arranged at the lower end of the hydraulic column. The weighing sensor is arranged between the hydraulic column and the pressure plate. Advantages: It can simulate the actual use scenario of the pallet and help verify the two important parameters of the pallet: the load-bearing capacity and durability.

Description

Tray testing machine

Technical Field

The utility model belongs to the technical field of tray testing, and particularly relates to a tray testing machine.

Background

The vehicle lifting machine is equipment for lifting the vehicle in the vehicle maintenance process, the vehicle can be lifted to a certain height through operation, a tray of the lifting machine is a part which is directly contacted with an automobile chassis for supporting when the lifting machine works, the tray is one of important parts in the lifting machine working process, and when the strength and the bearing capacity are poor, the tray is easy to crack and even tear, and the use safety is seriously affected. Therefore, in the technical improvement and production and manufacturing process of the tray, the bearing capacity and durability of the tray need to be tested, and the performance of the tray needs to be tested. Currently, there is no convenient and efficient way within the industry to verify the above-described properties of a tray.

In view of the above prior art, the present inventors have advantageously devised the technical solutions described below, which are created in this context.

Disclosure of utility model

The utility model aims to provide a tray testing machine which can verify the bearing capacity and durability parameters of a tray.

The utility model aims at achieving the purpose, and the tray testing machine comprises an oil press, an electric control cabinet, a tray seat, a weighing sensor and a pressure plate, wherein the oil press comprises a base, a connecting seat and a hydraulic mechanism, the hydraulic mechanism comprises a hydraulic cylinder and a hydraulic column, a workbench is formed on the base, the connecting seat is arranged on the workbench, the electric control cabinet is fixed on the connecting seat, the tray seat is arranged on the workbench and is positioned below the connecting seat and is used for supporting a tray, the hydraulic cylinder is fixedly arranged on the connecting seat, the hydraulic column is positioned at the lower part of the hydraulic cylinder and extends towards the direction of the tray seat, the pressure plate is arranged at the lower end of the hydraulic column, and the weighing sensor is arranged between the hydraulic column and the pressure plate.

In a specific embodiment of the present utility model, the connection seat includes a pair of stringers and a cross beam connected to top ends of the pair of stringers, lower ends of the pair of stringers are fixedly connected to the workbench, the hydraulic cylinder is penetratingly disposed on the cross beam from top to bottom, and the electric control cabinet is disposed outside one of the pair of stringers.

In another specific embodiment of the utility model, the hydraulic mechanism further comprises a motor, the hydraulic mechanism further comprises a hydraulic distributor and a hydraulic oil tank, the hydraulic distributor is fixedly arranged on the base, the hydraulic oil tank is arranged in the base, a hydraulic pump of the hydraulic oil tank is in transmission connection with the motor, and the hydraulic distributor is communicated with the hydraulic cylinder through a pipeline.

In still another specific embodiment of the present utility model, the present utility model further includes a limit lever and a limit sensor, one end of the limit lever is connected to a side wall of the hydraulic column, a relief groove is formed in one of the pair of stringers along a height direction, the other end of the limit lever horizontally extends into the relief groove, and the limit sensor is located above the limit lever and is fixed to the cross beam.

In still another specific embodiment of the present utility model, the electronic control cabinet is provided with a digital display, and is electrically connected with the hydraulic distributor, the weighing sensor, the motor and the limit sensor, wherein a control button for controlling the switching of the hydraulic distributor is arranged on the electronic control cabinet, one electromagnetic valve of the hydraulic distributor is communicated with the weighing sensor through a pipeline, and the other electromagnetic valve is communicated with the limit sensor through a pipeline.

In a further specific embodiment of the present utility model, the tray seat is a flange seat, and the flange seat is connected and fixed with the workbench through fastening screws.

In a further specific embodiment of the utility model, the contact surface of the pressure plate with the tray is designed as a vehicle lifting point.

Compared with the prior art, the device has the advantages that the device is improved on the basis of an oil press and is easy to realize, the contact surface of the pressing plate and the tray is designed according to an actual lifting point of an automobile, the actual use scene of the tray can be simulated, the tray seat can be quickly detached and replaced to help verify two important parameters of bearing capacity and durability of the tray, so that the tray seat can be adapted to trays with different specifications, the electronic control cabinet can display real-time pressure and test times in a digital display mode, operators can intuitively know experimental data conveniently, and reliable test basis can be provided for the improved design and manufacturing production of the tray.

Drawings

FIG. 1 is a perspective view of the present utility model;

fig. 2 is a front view of the present utility model.

In the figure, 1, an oil press, 11, a base, 111, a workbench, 12, a connecting seat, 121, longitudinal beams, 1211, a yielding groove, 122, a cross beam, 13, a hydraulic cylinder, 14, a hydraulic column, 15, a hydraulic distributor, 2, an electric control cabinet, 3, a tray seat, 4, a weighing sensor, 5, a pressure plate, 6, a motor, 7, a limiting rod, 8, a limiting sensor and 9, a tray.

Detailed Description

The following detailed description of specific embodiments of the utility model, while given in connection with the accompanying drawings, is not intended to limit the scope of the utility model, and any changes that may be made in the form of the inventive concepts described herein, without departing from the spirit and scope of the utility model.

In the following description, all concepts related to the directions (or azimuths) of up, down, left, right, front and rear are directed to the position states where the drawings are being described, so as to facilitate public understanding, and thus should not be construed as being particularly limiting to the technical solutions provided by the present utility model.

Referring to fig. 1 and 2, the utility model relates to a tray testing machine, which comprises an oil press 1, an electric control cabinet 2, a tray seat 3, a weighing sensor 4, a pressure plate 5 and a motor 6. The hydraulic press 1 comprises a base 11, a connecting seat 12 and a hydraulic mechanism, wherein the hydraulic mechanism comprises a hydraulic cylinder 13, a hydraulic column 14, a hydraulic distributor 15 and a hydraulic oil tank, the hydraulic distributor 15 is fixedly arranged on the base 11, and the hydraulic oil tank is arranged in the base 11. The base 11 is formed with a workbench 111, the connecting seat 12 comprises a pair of longitudinal beams 121 and a cross beam 122 connected with the top ends of the pair of longitudinal beams 121, the lower ends of the pair of longitudinal beams 121 are fixedly connected with the workbench 111, the hydraulic cylinder 13 is arranged on the cross beam 122 in a penetrating manner from top to bottom, and the electric control cabinet 2 is arranged on the outer side of one longitudinal beam 121 of the pair of longitudinal beams 121. The tray seat 3 is disposed on the workbench 111 and below the cross beam 122, and is used for supporting the tray 9 to be tested. The tray seat 3 is a flange seat, and the flange seat is fixedly connected with the workbench 111 through the fastening screw 31, and can be quickly detached for replacement, so that trays 9 with different specifications can be adapted. The hydraulic column 14 is located at the lower part of the hydraulic cylinder 13 and extends in the direction of the pallet seat 3. The pressure plate 5 is arranged at the lower end of the hydraulic column 14, and the weighing sensor 4 is arranged between the hydraulic column 14 and the pressure plate 5 and is used for monitoring the pressure exerted by the hydraulic column 14 on the tray 9. The contact surface of the pressure plate 5 and the tray 9 is designed according to the lifting point of the automobile, so that the actual use scene of the tray 9 can be simulated. The motor 6 is arranged on the base 11, and a transmission shaft of the motor extends downwards into the inner cavity of the base 11 to be in transmission connection with a hydraulic pump of the hydraulic oil tank.

Further, the device also comprises a limit rod 7 and a limit sensor 8. One end of the limiting rod 7 is connected with the side wall of the hydraulic column 14, a yielding groove 1211 is formed in one of the pair of longitudinal beams 121 along the height direction, the other end of the limiting rod 7 horizontally extends into the yielding groove 1211, and the limiting sensor 8 is located above the limiting rod 7 and fixed with the cross beam 122, and the limiting sensor 8 is matched with the limiting rod 7 and used for limiting the rising of the hydraulic column 14.

The hydraulic distributor 15 is communicated with the hydraulic cylinder 13 through a pipeline, one electromagnetic valve of the hydraulic distributor 15 is communicated with the weighing sensor 4 through a pipeline, and the other electromagnetic valve is communicated with the limit sensor 8 through a pipeline. The electric control cabinet 2 is electrically connected with the hydraulic distributor 15, the weighing sensor 4, the motor 6 and the limit sensor 8 respectively. The electric control cabinet 2 is provided with a control button and a start button for controlling the switching of the hydraulic distributor 15. The electric control cabinet 2 is provided with a digital display, and can display real-time pressure and test times, so that an operator can conveniently and intuitively know experimental data.

When the test is carried out, a proper tray seat 3 is selected according to the size of the tray 9, the tray seat 3 is fixed on the workbench 111, the tray 9 is placed in the tray seat 3, after corresponding parameters (including pressure, test times and dwell time) are set on the electric control cabinet 2, a start button is pressed, the motor 6 drives an oil pump of the oil press 1 to start working, the hydraulic cylinder 13 starts to reciprocate up and down, the pressure plate 5 is driven to repeatedly press the tray 9 according to set pressure and dwell time, and the test times can automatically stop until the preset times are reached, so that the bearing capacity and durability parameters of the tray can be verified. When the weighing sensor 4 and the limit sensor 8 detect that the preset threshold value is exceeded, the hydraulic cylinder 13 is controlled to switch the action through the hydraulic distributor 15. The scheme is improved on the basis of the oil press 1, and the oil way around the electric cabinet 2 is controlled to be identical to the oil press 1, so that redundant description is omitted.

Claims

1. The tray testing machine is characterized by comprising an oil press (1), an electric control cabinet (2), a tray seat (3), a weighing sensor (4) and a pressure plate (5), wherein the oil press (1) comprises a base (11), a connecting seat (12) and a hydraulic mechanism, the hydraulic mechanism comprises a hydraulic cylinder (13) and a hydraulic column (14), a workbench (111) is formed on the base (11), the connecting seat (12) is arranged on the workbench (111), the electric control cabinet (2) is fixed on the connecting seat (12), the tray seat (3) is arranged on the workbench (111) and is positioned below the connecting seat (12) and used for supporting a tray (9), the hydraulic cylinder (13) is fixedly arranged on the connecting seat (12), the hydraulic column (14) is positioned at the lower part of the hydraulic cylinder (13) and extends towards the direction of the tray seat (3), the pressure plate (5) is arranged at the lower end of the hydraulic column (14), and the weighing sensor (4) is arranged between the workbench (14) and the hydraulic column (5).

2. The tray testing machine according to claim 1, wherein the connecting base (12) comprises a pair of longitudinal beams (121) and a cross beam (122) connected with the top ends of the pair of longitudinal beams (121), the lower ends of the pair of longitudinal beams (121) are fixedly connected with the workbench (111), the hydraulic cylinder (13) is arranged on the cross beam (122) in a penetrating manner from top to bottom, and the electric control cabinet (2) is arranged on the outer side of one longitudinal beam (121) of the pair of longitudinal beams (121).

3. The tray testing machine according to claim 2, further comprising a motor (6), wherein the hydraulic mechanism further comprises a hydraulic distributor (15) and a hydraulic oil tank, the hydraulic distributor (15) is fixedly arranged on the base (11), the hydraulic oil tank is arranged in the base (11), a hydraulic pump of the hydraulic oil tank is in transmission connection with the motor (6), and the hydraulic distributor (15) is communicated with the hydraulic cylinder (13) through a pipeline.

4. The tray testing machine according to claim 3, further comprising a limit rod (7) and a limit sensor (8), wherein one end of the limit rod (7) is connected with the side wall of the hydraulic column (14), a yielding groove (1211) is formed in one of the pair of longitudinal beams (121) along the height direction, the other end of the limit rod (7) horizontally extends into the yielding groove (1211), and the limit sensor (8) is located above the limit rod (7) and is fixed with the cross beam (122).

5. The tray testing machine according to claim 4, wherein the electric control cabinet (2) is provided with a digital display, the electric control cabinet (2) is respectively and electrically connected with the hydraulic distributor (15), the weighing sensor (4), the motor (6) and the limit sensor (8), a control button for controlling the switching of the hydraulic distributor (15) is arranged on the electric control cabinet (2), one electromagnetic valve of the hydraulic distributor (15) is communicated with the weighing sensor (4) through a pipeline, and the other electromagnetic valve is communicated with the limit sensor (8) through a pipeline.

6. The tray testing machine according to claim 1, wherein the tray seat (3) is a flange seat, and the flange seat is fixedly connected with the workbench (111) through a fastening screw (31).

7. The pallet testing machine according to claim 1, characterized in that the contact surface of the pressure plate (5) with the pallet (9) is designed according to the lifting point of the vehicle.