Solid density measuring device

Abstract

The utility model provides a solid density measuring device which comprises a base, a weighing table, a measuring box, a guide sliding rail, a control panel, a floating block, a laser range finder body, a fixed seat and a threaded rod, the weighing table is installed on the upper end face of the base, the measuring box is placed on the upper end face of the weighing table, and the control panel is installed on the front end face of the weighing table. A guide sliding rail is arranged on the left side of the inner side face of the measuring box, a floating block is arranged on the inner side face of the guide sliding rail, a laser range finder body is installed at the upper end of the guide sliding rail, a fixing base is installed on the upper end face of the base, and a threaded rod is rotationally arranged on the inner side face of the fixing base. The laser range finder has the advantages that the structure is reasonable, data reading is performed through the laser range finder body and the weighing platform, density is calculated by matching with a built-in calculation program of the control panel, and finally, external display is performed through the LED display screen, so that the operation is simple and convenient, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a solid density measuring device belongs to density measurement technical field. BACKGROUND

[0002] Solid density is often needed to be measured in the physical experiment process, and density has a close relationship with mechanical properties and solid utilization, and it is an important index for evaluating solid quality, strength and other characteristics. When the density of regular-shaped objects is measured, the density data can be easily obtained through calculation formula, but when some special-shaped objects are measured, the density measuring device needs to be used for auxiliary calculation.

[0003] A solid density measuring device is provided in Chinese patent number CN222482053U, which measures the weight and volume of solid objects through a measuring cylinder and a pressure sensor, and then quickly calculates the fixed density. However, the device still requires manual reading and calculation by the user, which is low in calculation efficiency and poor in practicability. Therefore, there is an urgent need for a solid density measuring device to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a solid density measuring device to solve the problems in the background art. The utility model has a reasonable structure, data reading is performed through the laser range finder body and the weighing table, the density is calculated by cooperating with the calculation program built in the control panel, and finally the external display is performed through the LED display screen. The operation is simple and convenient, and the utility is strong.

[0005] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: a solid density measuring device, comprising a base, a weighing table, a measuring box, a guide slide rail, a control panel, a float, a laser range finder body, a fixing seat and a threaded rod, the base is provided with the weighing table on the upper end face, the weighing table is provided with the measuring box on the upper end face, the weighing table is provided with the control panel on the front end face, the guide slide rail is arranged on the left side of the inner side of the measuring box, the float is arranged on the inner side of the guide slide rail, the laser range finder body is installed on the upper end of the guide slide rail, the fixing seat is installed on the upper end face of the base, and the threaded rod is rotatably arranged on the inner side of the fixing seat.

[0006] Further, the measuring box is pre-filled with enough water to overflow the object to be measured, the float is made of a solid block with a density much smaller than water and closely slides along the inner side of the guide slide rail.

[0007] Further, the inner side wall of the guide slide rail is provided with a diamond-like carbon coating, and the upper end face of the float is provided with a positioning reflection seat matched with the laser range finder body.

[0008] Further, the observation glass is embedded on the front end surface of the measuring box, the mounting rack is installed on the left end surface of the measuring box, and the laser range finder is fixedly connected with the measuring box through the mounting rack.

[0009] Further, the laser range finder body is electrically connected with the control panel through wires, the weighing table is electrically connected with the control panel through wires, the pressure sensor is arranged in the weighing table, and the LED display screen and a plurality of buttons are arranged on the front end surface of the control panel.

[0010] Further, the four groups of fixing seats are arranged at four corners of the upper end surface of the base, and the thread grooves are formed in the inner side surfaces of the fixing seats.

[0011] Further, the thread grooves are engaged with the threaded rods, the rotating handle is arranged on the upper end of the threaded rod, and the bottom foot is arranged on the lower end of the threaded rod.

[0012] Further, the bearing seat is embedded on the upper end surface of the bottom foot, the threaded rod is rotatably connected with the bottom foot through the bearing seat, and the anti-skid pad is attached to the lower end surface of the bottom foot.

[0013] The solid density measuring device has the advantages that: the solid density measuring device adds the laser range finder body, the weighing table, the control panel and the float, the control panel controls the weighing table to weigh the measuring box to obtain the reading M2 (unit: gram), the laser range finder body measures the position of the current float to obtain the reading D2 (unit: centimeter), the internal bottom area S (unit: square centimeter) of the measuring box is the fixed data measured at the factory, the program in the control panel is substituted into each data, the density of the measured object is automatically calculated according to the formula ρ = (M2-M1) / [(D1-D2)*S], and the LED display screen of the control panel is used for external display, so that manual reading and calculation are not needed, and the measuring efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other characteristics, objects and advantages of the present application will become more apparent from the following detailed description of non-restrictive embodiments, with reference to the attached drawings:

[0015] Figure 1 It is a structural schematic view of the solid density measuring device of the present application;

[0016] Figure 2 It is a structural schematic view of the solid density measuring device of the present application from another perspective;

[0017] Figure 3 It is a structural schematic view of the solid density measuring device of the present application from another perspective;

[0018] Figure 4 It is partial structure schematic view of the solid density measuring device of the utility model;

[0019] Figure 5 It is partial sectional view structure schematic view of the solid density measuring device of the utility model;

[0020] In the drawing: 1 - base, 2 - weighing table, 3 - measuring box, 31 - observation glass, 4 - guide slide rail, 5 - control panel, 6 - float, 61 - positioning reflection seat, 7 - laser range finder body, 71 - mounting bracket, 8 - fixed seat, 81 - threaded groove, 9 - threaded rod, 91 - rotating handle, 92 - foot, 93 - bearing seat, 94 - non-slip pad. DETAILED DESCRIPTION

[0021] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: a solid density measuring device, including base 1, weighing table 2, measuring box 3, guide slide rail 4, control panel 5, float 6, laser range finder body 7, fixed seat 8 and threaded rod 9, the weighing table 2 is installed on the upper end surface of base 1, the measuring box 3 is placed on the upper end surface of weighing table 2, the control panel 5 is installed on the front end surface of weighing table 2, the guide slide rail 4 is set up on the left side of the inner side of measuring box 3, the float 6 is set up on the inner side of guide slide rail 4, the laser range finder body 7 is installed on the upper end of guide slide rail 4, the fixed seat 8 is installed on the upper end surface of base 1, the threaded rod 9 is rotatably set up on the inner side of fixed seat 8, this design has solved the problem that the original solid density measuring device still needs manual reading calculation, and the measuring efficiency is poor.

[0023] As the first embodiment of the utility model: the inside of measuring box 3 pours enough water that can overflow the object to be measured, the float 6 adopts solid block whose density is far less than water and closely slides along the inside of guide slide rail 4, through the change of the height of float 6, and cooperate with the fixed inside bottom area of measuring box 3, the volume of the object to be measured can be calculated, the inside wall of guide slide rail 4 is provided with diamond-like carbon coating, this design can reduce the friction coefficient of the inside wall of guide slide rail 4, so as to reduce the influence of friction on the floating of float 6, the upper end surface of float 6 is installed with the positioning reflection seat 61 matched with laser range finder body 7, the positioning reflection seat 61 cooperates with laser range finder body 7 to facilitate the measurement between float 6 and laser range finder body 7, the front end surface of measuring box 3 is embedded with observation glass 31, the left end surface of measuring box 3 is installed with mounting bracket 71, laser range finder is fixedly connected with measuring box 3 through mounting bracket 71, mounting bracket 71 can fix the position of laser range finder body 7, laser range finder body 7 is electrically connected with control panel 5 through wire, weighing table 2 is electrically connected with control panel 5 through wire, the inside of weighing table 2 is provided with pressure sensor, the front end surface of control panel 5 is provided with LED display screen and a plurality of keys, control panel 5 can calculate the density of object through the data of laser range finder body 7 and weighing table 2, the specifications of fixed seat 8 are provided with four groups, four groups of fixed seat 8 are arranged in the four corners of the upper end surface of base 1, the inside of fixed seat 8 is provided with screw groove 81, screw groove 81 is engaged with threaded rod 9, the upper end of threaded rod 9 is provided with rotating handle 91, the lower end of threaded rod 9 is provided with bottom foot 92, the upper end surface of bottom foot 92 is embedded with bearing seat 93, threaded rod 9 is rotatably connected with bottom foot 92 through bearing seat 93, the lower end surface of bottom foot 92 is bonded with antiskid pad 94, antiskid pad 94 can play the effect of antiskid, the design of threaded rod 9 is convenient for adjusting bottom foot 92, so as to adjust base 1 to horizontal.

[0024] As the second embodiment of the utility model: the user pours water into the measuring box 3 in advance, and makes the liquid level enough to submerge the object to be measured, then presses the control panel 5 primary measurement button, the control panel 5 controls the weighing platform 2 to weigh the measuring box 3 and obtains the reading M1 (unit: gram), and the laser range finder body 7 measures the position of the float 6 and obtains the reading D1 (unit: centimeter), then the object to be measured is put into the measuring box 3 to submerge, the object to be measured makes the liquid level rise, and drives the float 6 to slide along the inside surface of the guide rail 4 and rise, after the liquid level is stable, press the control panel 5 secondary measurement button, the control panel 5 controls the weighing platform 2 to weigh the measuring box 3 at this time and obtains the reading M2 (unit: gram), and the laser range finder body 7 measures the position of the current float 6 and obtains the reading D2 (unit: centimeter), the internal bottom area S (unit: square centimeter) of the measuring box 3 is the fixed data measured at the factory, at this time, the control panel 5 built-in program substitutes each data, according to the formula ρ = (M2-M1) / [(D1-D2) * S] automatically calculates the density of the object to be measured, and displays externally through the LED display screen of the control panel 5, without manual reading calculation of the user, the measurement efficiency is high.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A solid density measuring device comprising a base, a weighing platform, a measuring tank, a guide slide rail, a control panel, a float, a laser range finder body, a fixing seat and a threaded rod, characterized in that: The upper end face of the base is provided with a weighing table, the upper end face of the weighing table is provided with a measuring box, the front end face of the weighing table is provided with a control panel, the left side of the inner side face of the measuring box is provided with a guide slide rail, the inner side face of the guide slide rail is provided with a float, the upper end of the guide slide rail is provided with a laser range finder body, the upper end face of the base is provided with a fixing seat, and the inner side face of the fixing seat is rotatably provided with a threaded rod.

2. A solid density measurement device according to claim 1, wherein: The measuring box is previously filled with water enough to overflow the object to be measured, the float is a solid block with a density much smaller than water and closely slides along the inner side face of the guide slide rail.

3. A solid density measurement device according to claim 1, wherein: The inner side wall of the guide slide rail is provided with a diamond-like carbon coating, and the upper end face of the float is provided with a positioning reflection seat matched with the laser range finder body.

4. A solid density measurement device according to claim 1, wherein: The front end face of the measuring box is embedded with an observation glass, and the left end face of the measuring box is provided with a mounting bracket.

5. A solid density measurement device according to claim 1, wherein: The laser range finder is fixedly connected with the measuring box through the mounting bracket.

6. A solid density measurement device according to claim 1, wherein: The laser range finder body is electrically connected with the control panel through wires, the weighing table is electrically connected with the control panel through wires, the weighing table is provided with a pressure sensor, the front end face of the control panel is provided with an LED display screen and a plurality of keys.

7. A solid density measurement device according to claim 6, wherein: The fixing seat is provided with four groups of the same specifications, the four groups of fixing seats are respectively arranged at the four corners of the upper end face of the base, and the inner side face of the fixing seat is provided with a threaded groove.

8. A solid density measurement device according to claim 7, wherein: The threaded groove is engaged with the threaded rod, the upper end of the threaded rod is provided with a rotating handle, and the lower end of the threaded rod is provided with a bottom foot. The upper end face of the bottom foot is embedded with a bearing seat, the threaded rod is rotatably connected with the bottom foot through the bearing seat, and the lower end face of the bottom foot is bonded with a non-slip pad.

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