Kilogram group weight verification equipment
By automatically opening the windshield in the kilogram weight verification equipment using a motor, screw and slider mechanism, and combining the design of pressure sensor and screw fixing block, the problem of difficulty for operators in the existing technology is solved, and the windshield cover is realized. Efficient windproof and convenient weight verification operation.
Patent Information
- Application Number
- CN202421175385.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing kilogram-level weights need to be performed in a windless environment during calibration, which makes it difficult for operators to open the windshield with a movable door, affecting the accuracy and convenience of operation.
A kilogram weight verification device is designed, using a motor, screw and slider mechanism to automatically open the windshield, combined with a pressure sensor to achieve windshield effect, and the rapid installation and disassembly of the windshield through screws and fixed blocks.
Without manual operation of the windshield, the verification personnel can freely place the weights with both hands, which improves the calibration accuracy and operation convenience and ensures the windshield effect.
Smart Images
Figure CN222318215U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of weights, in particular to a kilogram group weight calibration device. Background Art
[0002] In modern mass measurement, weights are standard measuring tools for mass value transmission. The mass value is based on the original platinum-iridium alloy kilogram preserved in the International Bureau of Weights and Measures in France as the only reference. All countries divide weights into national kilogram standards, national kilogram secondary standards, kilogram working standards, and working standards composed of multiples and components of the kilogram and various working standard weights.
[0003] When calibrating kilogram-level weights in the prior art, it is necessary to carry out the calibration in a windless environment in order to improve the calibration accuracy. Therefore, a windshield with a movable door is usually installed on the outside of the calibration equipment. Since the kilogram-level weights are heavy, operators sometimes need to use both hands to pick them up and place them, and the movable door on the windshield cannot be flexibly opened. Therefore, a kilogram-level weight calibration device is needed. Utility Model Content
[0004] The utility model aims to provide a kilogram group weight verification device to solve the problems raised in the background technology.
[0005] An embodiment of the present application provides a kilogram group weight calibration device, including a workbench, a fixed frame and a base are provided on the top of the workbench, the base is located on one side of the fixed frame, a pressure sensor is installed on the top of the base, a tray is installed on the top of the pressure sensor, a motor is installed inside the fixed frame, the output shaft of the motor is fixedly connected to a screw rod, a slider is threadedly slidably on the screw rod, a cross plate is fixedly connected to an outer wall of one side of the slider, a screw is fixedly connected to the bottom end of the cross plate, a fixed block is provided on the external thread sleeve of the screw, and a wind shield is fixedly connected to the bottom end of the fixed block.
[0006] When in use, under the action of the fixed block and the screw, the wind shield can be quickly installed under the cross plate. Before calibration, the output shaft of the motor can drive the screw to rotate, and the screw can convert the rotational motion of the slider into linear motion, thereby driving the cross plate and the wind shield to rise. There is no need for the calibration personnel to manually open or move the wind shield. Then the calibration personnel place the kilogram group of weights on the pallet. Under the action of the motor, the screw and the slider, the cross plate and the wind shield can be moved downward until the wind shield is located on the outside of the pallet to achieve a windproof effect. Under the action of the pressure sensor, the calibration of the Mafa can be achieved.
[0007] Optionally, the base and the wind shield are symmetrically arranged up and down.
[0008] By adopting the above technical solution, the wind shield can be accurately placed on the outside of the calibration equipment to achieve a windproof effect.
[0009] Optionally, a sliding groove adapted to the sliding block is provided on the fixed frame.
[0010] The adoption of the above technical solution is conducive to the smooth sliding and lifting of the slider on the screw rod.
[0011] Optionally, support columns are fixedly connected to the four corners of the bottom end of the workbench.
[0012] The adoption of the technical solution is conducive to the smooth lifting and lowering of the workbench.
[0013] Optionally, the bottom end of the wind shield is opened.
[0014] The adoption of the technical solution is conducive to the normal use of the windshield.
[0015] Optionally, the windshield is a transparent glass cover.
[0016] By adopting the above technical solution, it is helpful for the inspector to observe the weights on the tray through the windshield.
[0017] Optionally, the fixing block is provided with a threaded hole matched with the screw rod.
[0018] By adopting the above technical solution, it is beneficial to realize the rapid disassembly and assembly of the fixing block, thereby realizing the disassembly and assembly of the windshield.
[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0020] Under the action of the fixed block and the screw, the technical solution of the present application can quickly install the wind shield under the cross plate, and then before calibration, the output shaft of the motor can drive the screw to rotate, and the screw can convert the rotational motion of the slider into linear motion, thereby driving the cross plate and the wind shield to rise. The calibration personnel do not need to manually open or move the wind shield. The calibration personnel can directly place the weights on the tray with both hands, which can completely free the calibration personnel's hands and is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0022] Figure 1 This is a schematic diagram of the overall structure of a kilogram group weight calibration device of the utility model;
[0023] Figure 2This is a schematic diagram of the structure of a kilogram group weight calibration device in a bottom view according to the utility model;
[0024] Figure 3 It is a side structural schematic diagram of a fixed frame of a kilogram group weight calibration device of the utility model;
[0025] Figure 4 The utility model is a schematic diagram of the combined structure of a fixed block and a screw rod of a kilogram group weight calibration device.
[0026] In the figure: 1. slide; 2. slider; 3. fixed frame; 4. workbench; 5. support column; 6. pressure sensor; 7. base; 8. tray; 9. wind shield; 10. cross plate; 11. fixed block; 12. screw; 13. opening; 14. lead screw; 15. threaded hole; 16. motor. DETAILED DESCRIPTION
[0027] See also Figure 1-4 The utility model provides a technical solution: a kilogram group weight calibration device, including a workbench 4, a fixed frame 3 and a base 7 are arranged on the top of the workbench 4, the base 7 is located on one side of the fixed frame 3, a pressure sensor 6 is installed on the top of the base 7, a tray 8 is installed on the top of the pressure sensor 6, a motor 16 is installed inside the fixed frame 3, a screw rod 14 is fixedly connected to the output shaft of the motor 16, a slider 2 is threadedly slidably on the screw rod 14, a cross plate 10 is fixedly connected to the outer wall of one side of the slider 2, a screw rod 12 is fixedly connected to the bottom end of the cross plate 10, a fixed block 11 is provided on the external thread sleeve of the screw rod 12, and a wind shield 9 is fixedly connected to the bottom end of the fixed block 11.
[0028] In the technical solution of the utility model, if Figure 1 As shown, the base 7 and the wind shield 9 are symmetrically arranged up and down; this is conducive to the wind shield 9 being accurately arranged on the outside of the calibration equipment to achieve a windproof effect.
[0029] In the technical solution of the utility model, if Figure 3 As shown, a slide groove 1 adapted to the slider 2 is provided on the fixed frame 3 , which is conducive to the smooth sliding and lifting of the slider 2 on the screw rod 12 .
[0030] In the technical solution of the utility model, if Figure 1 and Figure 2 As shown, support columns 5 are fixedly connected to the four corners of the bottom end of the workbench 4, which is conducive to the smooth lifting and lowering of the workbench 4.
[0031] In the technical solution of the utility model, if Figure 2 As shown, an opening 13 is provided at the bottom end of the wind shield 9 , which is beneficial to the normal use of the wind shield 9 .
[0032] In the technical solution of the utility model, if Figure 1 As shown, the wind shield 9 is a transparent glass cover, which is helpful for the inspector to see the weights on the tray 8 through the wind shield 9.
[0033] In the technical solution of the utility model, if Figure 4 As shown, the fixing block 11 is provided with a threaded hole 15 matched with the screw rod 12 , which is conducive to the rapid disassembly and assembly of the fixing block 11 , thereby realizing the disassembly and assembly of the wind shield 9 .
[0034] When in use, under the action of the fixing block 11 and the screw 12, the wind shield 9 can be quickly installed under the horizontal plate 10. Before calibration, the output shaft of the motor 16 can drive the screw rod 14 to rotate, and the screw rod 14 can convert the rotational motion of the slider 2 into linear motion, thereby driving the horizontal plate 10 and the wind shield 9 to rise. There is no need for the calibration personnel to manually open or move the wind shield 9. Then the calibration personnel places the kilogram group of weights on the tray 8. Under the action of the motor 16, the screw rod 14 and the slider 2, the horizontal plate 10 and the wind shield 9 can be moved downward until the wind shield 9 is covered on the outside of the tray 8, which has a windproof effect. Under the action of the pressure sensor 6, the calibration of the Marfa can be achieved.
[0035] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A kilogram weight calibration device, characterized in that: The invention comprises a workbench (4), wherein a fixed frame (3) and a base (7) are arranged at the top of the workbench (4), wherein the base (7) is located on one side of the fixed frame (3), wherein a pressure sensor (6) is installed at the top of the base (7), wherein a tray (8) is installed at the top of the pressure sensor (6), wherein a motor (16) is installed inside the fixed frame (3), wherein the output shaft of the motor (16) is fixedly connected to a screw rod (14), wherein a slider (2) is threadedly slidably disposed on the screw rod (14), wherein a transverse plate (10) is fixedly connected to an outer wall of one side of the slider (2), wherein a screw rod (12) is fixedly connected to the bottom end of the transverse plate (10), wherein a fixed block (11) is threadedly sleeved on the outer surface of the screw rod (12), and wherein a wind shield (9) is fixedly connected to the bottom end of the fixed block (11).
2. A kilogram group weight calibration device according to claim 1, characterized in that: The base (7) and the wind shield (9) are symmetrically arranged up and down.
3. A kilogram group weight calibration device according to claim 1, characterized in that: The fixed frame (3) is provided with a sliding groove (1) adapted to the sliding block (2).
4. A kilogram group weight calibration device according to claim 1, characterized in that: Support columns (5) are fixedly connected to the four corners of the bottom end of the workbench (4).
5. A kilogram group weight calibration device according to claim 1, characterized in that: The bottom end of the wind shield (9) is provided with an opening (13).
6. A kilogram group weight calibration device according to claim 5, characterized in that: The wind shield (9) is a transparent glass shield.
7. A kilogram group weight calibration device according to claim 1, characterized in that: The fixing block (11) is provided with a threaded hole (15) adapted to the screw rod (12).