Solid density testing device
By designing components such as inverted U-shaped brackets and electric telescopic rods, the automatic transfer of samples in the solid density test device is achieved, which solves the low automation and pollution problems caused by manual operation in the prior art, and improves the accuracy and convenience of density testing. .
Patent Information
- Application Number
- CN202420640721.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-30
AI Technical Summary
Existing solid density meters require manual sample transfer during the measurement process, resulting in low automation and potentially contaminated samples, affecting the accuracy of the test.
A solid density test device was designed, using an inverted U-shaped bracket, a weight sensor, a transparent sink, a liftable weighing plate and an electric telescopic rod to realize the automatic transfer of samples between two measurement stations and to lift the components through the electric lifting. With the combination with the connecting rope, the sample can be transferred without manual participation.
Improves the convenience and accuracy of density testing, reduces the errors and contamination risks of manual operation, and enhances the degree of automation of measurement.
Smart Images
Figure CN222166812U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a solid density testing device, belonging to the technical field of density testing. Background Art
[0002] Solid density meter is an instrument composed of electronic balance, density software, density accessories, etc. Calculation principle of solid density meter: Use electronic analytical balance to calculate the weight of the sample in air (W1) and in water (W2) and calculate W1-W2 value. The density of water is ρ=1g / cm3 by default. By establishing the equation of Vsample=Vdrainage, the density value of the sample can be calculated: ρ=W1 / (W1-W2)×ρwater.
[0003] When weighing a sample, a solid density meter needs to measure two parameters: the sample's weight in air and its weight in water. The sample needs to be transferred during the measurement of the two parameters. However, in the prior art, the sample transfer action needs to be done manually. The manual picking or placing of samples has a low degree of automation, and the sample will be contaminated during the contact process, affecting the test accuracy.
[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content
[0005] In view of the deficiencies in the background technology, the utility model provides a solid density testing device, which can automatically transfer the position of a sample during the measurement process without manual intervention, thereby improving the convenience and accuracy of the test.
[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0007] The solid density testing device comprises an inverted U-shaped bracket, which is installed above a data processing housing, and a weight sensor is installed between the inverted U-shaped bracket and the data processing housing; a transparent water tank is also arranged above the data processing housing, and the transparent water tank is located inside the inverted U-shaped bracket;
[0008] A first horizontally arranged weighing plate is fixedly installed inside the inverted U-shaped bracket, a placement hole is provided on the first weighing plate, and two supporting plates arranged opposite to each other are installed at the bottom of the placement hole; a second liftable weighing plate is installed directly below the first weighing plate;
[0009] The second weighing plate is connected to a horizontally arranged lifting plate through a connecting rope. The lifting plate is located above the first weighing plate. The top of the lifting plate is connected to an electric lifting component through a lifting rope.
[0010] Furthermore, the placement hole is arranged to penetrate along the vertical direction, and the upper surface of the supporting plate is slidably connected to the lower surface of the first weighing plate.
[0011] Furthermore, the outer ends of the two support plates facing each other are respectively connected to electric telescopic rods, and the electric telescopic rods are fixed to the bottom of the first weighing plate.
[0012] Furthermore, a placement groove is provided on the second weighing plate, the placement groove has the same shape as the placement hole, and the placement groove is located directly below the placement hole.
[0013] Furthermore, the connecting rope is passed through the first weighing plate in a vertical direction, and the number of the connecting ropes is four, and the four connecting ropes are located outside the placement hole.
[0014] Furthermore, the bottom end of the lifting rope is fixedly connected to the center position of the lifting plate, and the top end of the lifting rope is connected to the electric lifting component.
[0015] Furthermore, the electric lifting component is connected to the top of the inverted U-shaped bracket.
[0016] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:
[0017] The second weighing plate in the utility model can be lifted up to be close to the supporting plate arranged at the bottom of the first weighing plate, and the electric telescopic rod drives the two supporting plates to move back to back, and the measured sample in the first weighing plate automatically falls into the placement groove of the second weighing plate, thereby completing the switching of the sample between the two measuring stations, and the transfer action of the sample does not require manual participation, thereby improving the convenience and accuracy of the test.
[0018] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of the utility model;
[0020] Figure 2 is a schematic diagram of the installation of the first weighing plate and the second weighing plate;
[0021] Figure 3 yes Figure 2 Top view of the structure at AA in the middle.
[0022] In the figure, 1-inverted U-shaped bracket, 2-weight sensor, 3-data processing shell, 4-first weighing plate, 5-placing hole, 6-support plate, 7-electric telescopic rod, 8-second weighing plate, 9-placing slot, 10-connecting rope, 11-lifting plate, 12-lifting rope, 13-electric lifting component, 14-transparent water tank. DETAILED DESCRIPTION
[0023] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.
[0024] like Figure 1-Figure 3 As shown together, the utility model provides a solid density testing device, including an inverted U-shaped bracket 1, the inverted U-shaped bracket 1 is installed above a data processing shell 3, and a weight sensor 2 is installed between the inverted U-shaped bracket 1 and the data processing shell 3.
[0025] A transparent water tank 14 is also provided above the data processing housing 3 , and the transparent water tank 14 is located inside the inverted U-shaped bracket 1 .
[0026] A first horizontally arranged weighing plate 4 is fixedly installed inside the inverted U-shaped bracket 1, and the first weighing plate 4 is used to weigh the weight of the sample in the air. A liftable second weighing plate 8 is installed directly below the first weighing plate 4, and the second weighing plate 8 is used to weigh the weight of the sample in water.
[0027] The first weighing plate 4 is provided with a placement hole 5, which is vertically penetrated, and two supporting plates 6 facing each other are installed at the bottom of the placement hole 5, and the upper surface of the supporting plate 6 is slidably connected to the lower surface of the first weighing plate 4, and the facing outer ends of the two supporting plates 6 are respectively connected to the electric telescopic rod 7, which is fixed to the bottom of the first weighing plate 4. The electric telescopic rod 7 provides power for the two supporting plates 6 to move toward or away from each other.
[0028] The second weighing plate 8 is provided with a placement groove 9 , which has the same shape as the placement hole 5 , and is located directly below the placement hole 5 .
[0029] The second weighing plate 8 is connected to a horizontally arranged lifting plate 11 via a connecting rope 10 , and the lifting plate 11 is located above the first weighing plate 4 .
[0030] The connecting rope 10 is vertically inserted into the first weighing plate 4 , and there are four connecting ropes 10 , which are located at the periphery of the placement hole 5 . The existence of the connecting rope 10 will not interfere with the horizontal movement of the supporting plate 6 .
[0031] The top of the lifting plate 11 is connected to the electric lifting component 13 through a lifting rope 12 , the bottom end of the lifting rope 12 is fixedly connected to the center position of the lifting plate 11 , and the top end of the lifting rope 12 is connected to the electric lifting component 13 .
[0032] The electric lifting component 13 is connected to the top of the inverted U-shaped bracket 1 , and the electric lifting component 13 realizes automatic winding of the lifting rope 12 , thereby realizing the lifting of the lifting plate 11 , the connecting rope 10 and the second weighing plate 8 .
[0033] The specific working principle of this utility model:
[0034] Pure water is poured into the transparent water tank 14, and the second weighing plate 8 is immersed in the transparent water tank 14; the solid sample to be measured is placed in the placement hole 5 of the first weighing plate 4, and the weight of the sample in the air is measured by the weight sensor 2; the electric lifting component 13 automatically winds up the lifting rope 12 to lift the second weighing plate 8 upward so that it is placed close to the support plate 6; then the electric telescopic rod 7 drives the two support plates 6 to move back to back, and the sample to be measured in the placement hole 5 automatically falls into the placement slot 9 of the second weighing plate 8, and then the second weighing plate 8 falls to the initial position, and the weight of the sample in water is measured by the weight sensor 2. According to the formula: sample density = (sample weight in air × water density) ÷ (sample weight in air - sample weight in water),) the density of the solid sample is calculated.
[0035] The above is an example of the best implementation of the utility model, and the parts not described in detail are common knowledge of ordinary technicians in this field. The protection scope of the utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.
Claims
1. Solid density testing device, characterized in that: The inverted U-shaped bracket (1) is installed above a data processing housing (3), and a weight sensor (2) is installed between the inverted U-shaped bracket (1) and the data processing housing (3); a transparent water tank (14) is also provided above the data processing housing (3), and the transparent water tank (14) is located inside the inverted U-shaped bracket (1); A first weighing plate (4) arranged horizontally is fixedly installed inside the inverted U-shaped bracket (1); a placement hole (5) is provided on the first weighing plate (4); two supporting plates (6) arranged opposite to each other are installed at the bottom of the placement hole (5); a second weighing plate (8) that can be raised and lowered is installed directly below the first weighing plate (4); The second weighing plate (8) is connected to a horizontally arranged lifting plate (11) via a connecting rope (10); the lifting plate (11) is located above the first weighing plate (4); and the top of the lifting plate (11) is connected to an electric lifting component (13) via a lifting rope (12).
2. The solid density testing device according to claim 1, characterized in that: The placement hole (5) is arranged to penetrate in the vertical direction, and the upper surface of the support plate (6) is slidably connected to the lower surface of the first weighing plate (4).
3. The solid density testing device according to claim 2, characterized in that: The facing outer ends of the two support plates (6) are respectively connected to an electric telescopic rod (7), and the electric telescopic rod (7) is fixed to the bottom of the first weighing plate (4).
4. The solid density testing device according to claim 1, characterized in that: The second weighing plate (8) is provided with a placement groove (9), the placement groove (9) having the same shape as the placement hole (5), and the placement groove (9) is located directly below the placement hole (5).
5. The solid density testing device according to claim 1, characterized in that: The connecting rope (10) is passed through the first weighing plate (4) in a vertical direction. The number of the connecting ropes (10) is four, and the four connecting ropes (10) are located outside the placement hole (5).
6. The solid density testing device according to claim 1, characterized in that: The bottom end of the lifting rope (12) is fixedly connected to the center position of the lifting plate (11), and the top end of the lifting rope (12) is connected to the electric lifting component (13).
7. The solid density testing device according to claim 1, characterized in that: The electric lifting component (13) is connected to the top of the inverted U-shaped bracket (1).