Automatic scale calibration device for oil scale

Abstract

The utility model discloses an automatic scale calibration device for an oil scale, which comprises an oil tank frame, an oil container arranged at the top of the oil tank frame, a scale calibration mechanism arranged at the top of the oil container, supports connected to two sides of the oil tank frame, and the tops of the supports connected with the scale calibration mechanism. The scale calibration mechanism comprises a fixed table, a cylinder installed at the bottom of the fixed table, a lifting plate connected to the output end of the cylinder and weights arranged on the two sides of the bottom of the fixed table, the tops of the weights are connected with fixed rods, limiting blocks are arranged at the connecting positions of the tops of the fixed rods and the lifting plate, a ventilation pipe is installed at the air inlet end of the cylinder, and an electromagnetic valve is installed in the middle of the ventilation pipe. According to the automatic scale calibration device for the oil scale, a worker does not need to place the weights on the oil scale in the scale calibration process, automatic scale calibration of the oil scale is achieved, the potential safety hazard that the worker slips and falls down in the scale calibration process of the worker is eliminated, the working efficiency of the worker is improved, and the process quality is improved.

Description

Technical Field

[0001] The utility model relates to the field of oil scales, in particular to an automatic oil scale calibration device. Background Art

[0002] During the oil weighing process, factors such as oil fluidity, temperature changes, and equipment wear may cause errors in the weighing results. In order to ensure process quality, the oil scale needs to be calibrated and reset to zero regularly. However, there was no calibration system before, and personnel were required to place weights on the oil container for calibration. The traditional calibration method not only has safety hazards, but is also time-consuming and labor-intensive. In addition, no calibration records are retained during the calibration process, and once quality abnormalities occur, the losses are very large. Utility Model Content

[0003] The purpose of the utility model is to provide an automatic oil scale calibration device to solve the problem that the traditional calibration method proposed in the above background technology not only has safety hazards, but is also time-consuming and labor-intensive, and no calibration records are retained during the calibration process, resulting in great losses in the event of quality abnormalities.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic oil scale calibration device, comprising an oil tank frame, an oil container is provided on the top of the oil tank frame, a scale body is provided on the bottom of the oil container, a calibration mechanism is provided on the top of the oil container, brackets are connected to both sides of the oil tank frame, the top of the brackets are connected to the calibration mechanism, the calibration mechanism comprises a fixed platform, a cylinder installed at the bottom of the fixed platform, a lifting plate connected to the output end of the cylinder and weights arranged on both sides of the bottom of the fixed platform, a fixed rod is connected to the top of the weights, a limit block is provided at the connection between the top of the fixed rod and the lifting plate, a ventilation pipe is installed at the air inlet end of the cylinder, a solenoid valve is installed in the middle of the ventilation pipe, a knob switch is provided in the middle of one side of the oil tank frame, and stabilizing mechanisms are installed at the bottom of both sides of the oil tank frame.

[0005] Preferably, the solenoid valve is electrically connected to an external power source via a knob switch, and the ventilation pipe is connected to an external air pump.

[0006] Preferably, a support seat for supporting the lifting plate is connected to the top of the fixed platform, the lifting plate is clamped with the middle part of the support seat, and the support seat is used for positioning and supporting the lifting plate.

[0007] Preferably, guide grooves matching the fixing rods are provided on both sides of the fixing platform, and the fixing rods are slidably connected to the inside of the guide grooves.

[0008] Preferably, a fixing bolt is threadedly connected to the middle portion of the limit block, and the limit block is connected to the fixing rod via the fixing bolt.

[0009] Preferably, the stabilizing mechanism includes a first electric telescopic rod, a vertical shell connected to the output end of the first electric telescopic rod, a second electric telescopic rod arranged inside the vertical shell, and a spring damper connected to the output end of the second electric telescopic rod, and the second electric telescopic rod is used to push the spring damper to contact the ground, thereby providing auxiliary support to both sides of the bottom of the device.

[0010] Preferably, a fixing block is connected to the top of the inner wall of the vertical shell, and a bottom of the fixing block is connected to the top of the second electric telescopic rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When calibrating the oil scale, when no air enters the cylinder, the cylinder will shrink under the gravity of the weight, and finally the weight will fall on the top of the oil container to start calibrating. After the calibration is completed, air will enter the cylinder, and the cylinder rod will extend to push the lifting plate upward, and the lifting plate can pull the fixed rod upward, thereby indirectly raising the weight. During the calibration process, the entire device does not require personnel to place the weight on the oil scale, but can automatically raise and lower the weight to achieve automatic calibration of the oil scale, eliminating the safety hazard of slipping and falling during the calibration process, thereby improving the work efficiency of personnel and the process quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is the structural diagram of the calibration mechanism of the utility model;

[0015] Figure 3 This is a structural diagram of one end connection of the ventilation pipe of the utility model;

[0016] Figure 4 It is a structural diagram of the stabilizing mechanism of the utility model.

[0017] In the figure: 1. oil tank frame; 2. oil container; 3. scale body; 4. bracket; 5. calibration mechanism; 6. fixed platform; 7. cylinder; 8. lifting plate; 9. weight; 10. fixing rod; 11. limit block; 12. support seat; 13. ventilation pipe; 14. solenoid valve; 15. stabilizing mechanism; 16. fixing bolt; 17. first electric telescopic rod; 18. vertical shell; 19. fixing block; 20. second electric telescopic rod; 21. spring damper; 22. guide groove; 23. knob switch. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides an automatic oil scale calibration device, comprising an oil tank frame 1, an oil container 2 is arranged on the top of the oil tank frame 1, a scale body 3 is arranged on the bottom of the oil container 2, a calibration mechanism 5 is arranged on the top of the oil container 2, brackets 4 are connected to both sides of the oil tank frame 1, the top of the bracket 4 is connected to the calibration mechanism 5, the calibration mechanism 5 comprises a fixed platform 6, a cylinder 7 installed at the bottom of the fixed platform 6, a lifting plate 8 connected to the output end of the cylinder 7 and weights 9 arranged on both sides of the bottom of the fixed platform 6, a fixed rod 10 is connected to the top of the weight 9, a limit block 11 is arranged at the connection between the top of the fixed rod 10 and the lifting plate 8, a vent pipe 13 is installed at the air inlet end of the cylinder 7, a solenoid valve 14 is installed in the middle of the vent pipe 13, a knob switch 23 is arranged in the middle of one side of the oil tank frame 1, and a stabilizing mechanism 15 is installed at the bottom of both sides of the oil tank frame 1;

[0020] In this embodiment, when calibrating the oil scale, the staff turns the knob switch 23 to power the solenoid valve 14, and the solenoid valve 14 is powered and closed, and the ventilation pipe 13 stops supplying air, so that no air enters the cylinder 7. At this time, the cylinder 7 will shrink under the gravity of the weight 9, and finally the weight 9 falls on the top of the oil container 2 to start the scale calibration.

[0021] See also Figure 1-4 , the solenoid valve 14 is electrically connected to the external power supply through the knob switch 23, the ventilation pipe 13 is connected to the external air pump, the top of the fixed platform 6 is connected to the support seat 12 supporting the lifting plate 8, the lifting plate 8 is clamped with the middle of the support seat 12, both sides of the fixed platform 6 are provided with guide grooves 22 matching the fixing rod 10, the fixing rod 10 is slidably connected to the inside of the guide groove 22, the middle part of the limit block 11 is threadedly connected with a fixing bolt 16, and the limit block 11 is connected to the fixing rod 10 through the fixing bolt 16;

[0022] In this embodiment, after the calibration is completed, the on-site personnel release the knob switch 23, the solenoid valve 14 is not electrically opened, and air enters the cylinder 7. The cylinder rod extends to push the lifting plate 8 upward, and the lifting plate 8 can pull the fixed rod 10 upward, indirectly lifting the weight 9. During the lifting process of the weight 9, the fixed rod 10 can slide inside the guide groove 22.

[0023] See also Figure 1-4The stabilizing mechanism 15 includes a first electric telescopic rod 17, a vertical shell 18 connected to the output end of the first electric telescopic rod 17, a second electric telescopic rod 20 disposed inside the vertical shell 18, and a spring damper 21 connected to the output end of the second electric telescopic rod 20, a fixing block 19 is connected to the top of the inner wall of the vertical shell 18, and the bottom of the fixing block 19 is connected to the top of the second electric telescopic rod 20;

[0024] In this embodiment, the bottom of the fuel tank frame 1 can be firmly anchored by the stabilizing mechanism 15, the first electric telescopic rod 17 is started to extend a certain distance, and then the second electric telescopic rod 20 is started to move the spring damper 21 downward, and the spring damper 21 is pushed to contact the ground. The two stabilizing mechanisms 15 support the side of the fuel tank frame 1 to improve the bottom stability.

[0025] In specific use, the utility model is an automatic calibration device for an oil scale. When calibrating the oil scale, the staff supplies power to the solenoid valve 14 by turning the knob switch 23. The solenoid valve 14 is powered on and closed, so that no air enters the cylinder 7. At this time, the cylinder 7 will shrink under the gravity of the weight 9, and finally the weight 9 falls on the top of the oil container 2 to start calibration. After the calibration is completed, the on-site staff releases the knob switch 23, the solenoid valve 14 is not powered on and opened, and air enters the cylinder 7. The cylinder rod extends to push the lifting plate 8 upward, and the lifting plate 8 can pull the fixed rod 10 upward, thereby indirectly raising the weight 9. During the calibration process, the entire device does not require personnel to place the weight 9 on the oil scale, and the weight 9 can be automatically raised and lowered to achieve automatic calibration of the oil scale, thereby eliminating the safety hazard of personnel slipping and falling during the calibration process, thereby improving the work efficiency of personnel and the process quality.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic oil scale calibration device, comprising an oil tank frame (1), characterized in that: An oil container (2) is provided on the top of the oil tank frame (1), a scale body (3) is provided on the bottom of the oil container (2), a calibration mechanism (5) is provided on the top of the oil container (2), brackets (4) are connected to both sides of the oil tank frame (1), the top of the bracket (4) is connected to the calibration mechanism (5), and the calibration mechanism (5) comprises a fixed platform (6), a cylinder (7) installed at the bottom of the fixed platform (6), a lifting plate (8) connected to the output end of the cylinder (7), and a The fixed platform (6) has weights (9) on both sides of the bottom, the top of the weights (9) is connected to a fixing rod (10), a limit block (11) is provided at the connection between the top of the fixing rod (10) and the lifting plate (8), a vent pipe (13) is installed at the air inlet end of the cylinder (7), a solenoid valve (14) is installed in the middle of the vent pipe (13), a knob switch (23) is provided in the middle of one side of the oil tank frame (1), and stabilizing mechanisms (15) are installed at the bottom of both sides of the oil tank frame (1).

2. The automatic oil scale calibration device according to claim 1, characterized in that: The solenoid valve (14) is electrically connected to an external power source via a knob switch (23), and the ventilation pipe (13) is connected to an external air pump.

3. The automatic oil scale calibration device according to claim 1, characterized in that: The top of the fixed platform (6) is connected to a support seat (12) for supporting the lifting plate (8), and the lifting plate (8) is clamped with the middle part of the support seat (12).

4. The automatic oil scale calibration device according to claim 1, characterized in that: Guide grooves (22) matching the fixing rod (10) are provided on both sides of the fixing platform (6), and the fixing rod (10) is slidably connected to the inside of the guide groove (22).

5. The automatic oil scale calibration device according to claim 1, characterized in that: A fixing bolt (16) is threadedly connected to the middle portion of the limit block (11), and the limit block (11) is connected to the fixing rod (10) via the fixing bolt (16).

6. The automatic oil scale calibration device according to claim 1, characterized in that: The stabilizing mechanism (15) comprises a first electric telescopic rod (17), a vertical shell (18) connected to the output end of the first electric telescopic rod (17), a second electric telescopic rod (20) arranged inside the vertical shell (18), and a spring damper (21) connected to the output end of the second electric telescopic rod (20).

7. The automatic oil scale calibration device according to claim 6, characterized in that: The top of the inner wall of the vertical shell (18) is connected to a fixing block (19), and the bottom of the fixing block (19) is connected to the top of the second electric telescopic rod (20).

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