Electric push rod type weight calibration jig

Abstract

The utility model discloses an electric push rod type body weight calibration jig, which relates to the technical field of calibration jigs and comprises a driving assembly, a weighing assembly, a control terminal and a fixing assembly. The control terminal is in communication connection with the weighing sensor; the driving assembly comprises a driving motor and a motor push rod; an output shaft of the driving motor is connected with the motor push rod; the weighing assembly comprises a weighing sensor and a weighing pressure plate; the fixing assembly comprises a top disc, a bottom disc and a bottom plate. The upper end part of the motor push rod is fixedly connected with a top tray, the lower end part of the motor push rod is fixed on a chassis, the chassis is arranged on a bottom plate, a weighing pressure plate is arranged below the bottom plate in parallel, and a weighing sensor is fixedly arranged on the weighing pressure plate. According to the utility model, the weight of the weight required to be carried is reduced, and the convenience is better.

Description

Technical Field

[0001] This utility model relates to the field of calibration fixture technology, and in particular to an electric push rod type weight calibration fixture. Background Technology

[0002] Most existing weight calibration methods use rated weights for direct calibration. The larger the range of the weight sensor, the heavier the calibration weight needs to be. For example, in medical devices such as hospitals and pharmacies that require weighing, carrying and using weights of 50-200 kg for regular weight calibration is very inconvenient.

[0003] Therefore, in order to avoid carrying excessively heavy weights and the errors they introduce, and to use a convenient weight sensor for calibration, it is necessary to design and manufacture a tool that can use an electric push rod instead of weights for weight calibration. Utility Model Content

[0004] To address the existing problems, this utility model provides an electric push rod type weight calibration fixture.

[0005] To achieve the objectives of this utility model, the technical solution adopted is as follows:

[0006] An electric push rod type weight calibration fixture includes a drive assembly, a weighing assembly, a control terminal, and a fixing assembly. The drive assembly includes a drive motor and a motor push rod, with the output shaft of the drive motor connected to the motor push rod. The weighing assembly includes a weighing sensor and a weighing pressure plate, and the control terminal is communicatively connected to the weighing sensor. The fixing assembly includes a top plate, a base plate, and a base plate. The upper end of the motor push rod is fixedly connected to the top plate, and the lower end of the motor push rod is fixed to the base plate. The base plate is mounted on the base plate, and a weighing pressure plate is arranged parallel to the bottom of the base plate. A weighing sensor is fixedly mounted on the weighing pressure plate.

[0007] Based on the above technical solution, the control terminal further includes a weighing controller, and the weighing controller is communicatively connected to the weighing sensor.

[0008] Based on the above technical solution, the control terminal further includes a micro switch, and the micro switch is communicatively connected to the drive component.

[0009] Based on the above technical solution, the fixing component further includes connecting rods, and there are two connecting rods, wherein the two connecting rods are fixedly installed on both sides of the top plate.

[0010] Based on the above technical solution, the fixing component further includes lifting rings, with a lifting ring fixedly connected to each end of each connecting rod.

[0011] Furthermore, based on the above technical solution, the weighing pressure plate and the base plate are fixedly connected by studs.

[0012] Compared with the prior art, the technical effects of this utility model are specifically reflected in:

[0013] The electric push rod type weight calibration fixture described in this utility model, by setting up a weighing component, a drive component and a control terminal, can monitor weighing data and travel data in real time. The fixture can replace the calibration of weights within the range of 0KG-200KG. This fixture can be conveniently carried into places such as hospitals and pharmacies where weight calibration is required. The overall weight of this fixture is controlled within 10KG±10%, which greatly reduces the weight of the weights that need to be carried, and has better convenience and measurement accuracy. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 for Figure 1 Side view;

[0016] Reference numerals in the attached diagram: 1. Drive motor; 2. Motor push rod; 3. Weighing sensor; 4. Weighing pressure plate; 5. Connecting rod; 6. Lifting ring; 7. Top plate; 8. Base plate; 9. Base plate; 10. Stud. Detailed Implementation

[0017] To make the objectives and technical solutions of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with the embodiments.

[0018] Example 1

[0019] Combination Figure 1 and Figure 2As shown, this embodiment provides an electric push rod type weight calibration fixture, including a drive assembly, a weighing assembly, a control terminal, and a fixing assembly; the drive assembly includes a drive motor 1 and a motor push rod 2. The drive motor 1 is waterproof, and the output shaft of the drive motor 1 is connected to the motor push rod 2. The bottom of the motor push rod 2 is located inside the drive motor 1, and the top of the motor push rod 2 is connected to the top plate 7. The motor push rod 2 is moved by starting the drive motor 1. The weighing assembly includes a weighing sensor 3 and a weighing pressure plate 4. The control terminal is communicatively connected to the weighing sensor 3 and is a quantitative controller. The quantitative controller is connected to a travel micro switch. Specifically, the travel micro switch connected to the quantitative controller adjusts the up and down travel of the drive motor 1. The quantitative controller and the travel micro switch are two electronic components that specifically control this fixture. The connection method is that the power supply is connected to the control motherboard and the drive motor 1, and the control motherboard is connected to the travel micro switch and the quantitative controller. The weighing sensor is used as an input terminal and is communicatively connected to the quantitative controller. The device to be calibrated only needs to have any weight calibration software. When the quantitative controller controls the drive motor 1 to move to the required calibration weight, click "calibrate".

[0020] In this embodiment, the fixing assembly includes a top plate 7, two connecting rods 5, several lifting rings 6, a base plate 8, a base plate 9, and a safety rope set (not shown in the figure). It should be noted that the size, material, quantity, etc. of each component are set according to the actual situation.

[0021] Specifically, a top plate 7 is fixedly connected to the upper end of the motor push rod 2. A connecting rod 5 is fixedly connected to each side of the top plate 7 via bolts and nuts. A lifting ring 6 is fixedly installed at both ends of each connecting rod 5 via screws. The connecting rods 5 are arranged parallel to each other on both sides of the upper end of the motor push rod 2. Furthermore, a connecting rod 5 with a lifting ring 6 is also provided at the bottom of the device to be calibrated. The lifting rings 6 on the two connecting rods 5 on the device are connected to the lifting rings 6 on the connecting rods 5 at the bottom of the device via a safety rope sleeve, thereby fixing this fixture to the device to be calibrated.

[0022] In this embodiment, the lower end of the motor push rod 2 is fixed to the chassis 8, the chassis 8 is mounted on the base plate 9, and a weighing pressure plate 4 is arranged parallel to the bottom of the base plate 9. A weighing sensor 3 is fixedly mounted on the weighing pressure plate 4. Preferably, the weighing sensor 3 is located directly below the chassis 8, and the upper end of the weighing sensor 3 is mounted on the base plate 9. The weighing pressure plate 4 and the base plate 9 can be fixedly connected by multiple studs 10.

[0023] The working principle of the entire fixture is as follows: after power is applied, the travel micro switch is controlled to apply downward pressure to the electric push rod. The value of the quantitative weighing controller is set and monitored to ensure that this pressure is equal to the weight of the corresponding standard weight, thereby replacing the placement of weights for calibration of the weight sensor.

[0024] The entire fixture calibration process is as follows:

[0025] as follows Figure 1 The assembled electric push rod type weight calibration fixture is shown. Place this fixture on the equipment that needs to be calibrated, plug in the power, and turn on the quantitative weighing controller switch. The equipment to be calibrated needs to have the weight calibration software installed beforehand.

[0026] Step 1: Control the travel micro switch to completely suspend the steel pipe at the bottom of the equipment, and click the "Peel" button on the equipment.

[0027] Step 2: Then click the "Target Value" button on the device and enter the calibration value. For example, the electric push rod weight calibration fixture weighs 10KG. This calibration value is the weight of the weight to be calibrated minus 10KG. Click the "OK" button.

[0028] Step 3: Next, click the "Lead Ahead" button, enter "1", and click OK.

[0029] Step 4: Click the "Start" button again. After two "beep" sounds, press the micro switch to adjust the travel. When the input calibration value appears on the display, click the calibration software on the device to be calibrated and calibrate the corresponding weight.

[0030] Step 5: Repeat steps 2-4, click the "Target Value" button, enter the calibration value of the required calibration weight, and perform calibration.

[0031] Step 6: Remove the electric push rod type weight calibration fixture from the equipment, so that the scale of the equipment to be calibrated is empty of any objects, and click "0KG" in the calibration software.

[0032] Step 7: Calibration complete.

[0033] The above are merely embodiments of this utility model, described in a relatively specific and detailed manner, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. An electric push-rod type weight calibration fixture, characterized in that, Includes drive components, weighing components, control terminals, and stationary components; The drive assembly includes a drive motor and a motor push rod, with the output shaft of the drive motor connected to the motor push rod; The weighing assembly includes a load cell and a weighing pressure plate; the control terminal is communicatively connected to the load cell. The fixed components include the top plate, the bottom plate, and the base plate; The upper end of the motor push rod is fixedly connected to a top plate, and the lower end of the motor push rod is fixed to a base plate. The base plate is mounted on a bottom plate, and a weighing pressure plate is provided parallel to the bottom of the base plate. A weighing sensor is fixedly installed on the weighing pressure plate.

2. The electric push rod type weight calibration fixture according to claim 1, characterized in that, The control terminal includes a weighing controller, and the weighing controller is communicatively connected to the weighing sensor.

3. The electric push rod type weight calibration fixture according to claim 1, characterized in that, The control terminal includes a micro switch, and the micro switch is communicatively connected to the drive component.

4. The electric push rod type weight calibration fixture according to claim 1, characterized in that, The fixing assembly also includes connecting rods, and there are two connecting rods, wherein the two connecting rods are fixedly installed on both sides of the top plate.

5. The electric push rod type weight calibration fixture according to claim 4, characterized in that, The fixing assembly also includes lifting rings, with one lifting ring fixedly connected to each end of each connecting rod.

6. The electric push rod type weight calibration fixture according to claim 1, characterized in that, The weighing pressure plate and the base plate are fixedly connected by studs.

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